No. 144 - (Vol.IX) ISSN-0012-7671 Copyright ARVES Reprinting of (parts of) this magazine is only permitted for non commercial purposes and with acknowledgement. April 2002 Tim Krabbe 60 Compositie Toernooi / Composing Tourney After nearly half a century of enjoying the beauty of endgame studies and problems, and reproducing many of them in my chess publications, I felt it was time to do something in return: to organize and sponsor a composing tourney - if only because I would like to spend my 60th birthday, 13 April 2003, admiring some fine studies and problems that might otherwise not have been there. Composers are invited to submit original compositions in two sections: 1) Endgame Studies 2) Problems - direct-mate moremovers Prizes in both sections will be 400, 200, 100, 2x50 and 2x25 Euro. 1) Endgame studies. Themes are free. Entries no later than 31 December 2002 to the Tournament Director, Rene Olthof, Achter het Schaapshoofd 7, 5211 MC 's- Hertogenbosch, NEDERLAND; e-mail: <raj [email protected]> Judges: Harold van der Heijden and Tim Krabbe. 2) Problems - direct-mate moremovers. Themes are free. Entries no later than 31 December 2002 to the Tournament Director, Henk le Grand, Heimanslaan 5, 6705 AD Wageningen-hoog, NEDERLAND; e-mail: <[email protected]> Judges: Ruud Beugelsdijk and Tim Krabbe. The awards will be published on Tim Krabbe's website http://www.timki'abbe.nl/chess/chess.html in his weekly chess column in Algemeen Dagblad, and in EBUR and Probleemblad. Liburkin Memorial Theme Tourney ARVES announces a composing theme endgame study tourney in memory of Mark Liburkin (1910-1953). The theme: Echo-Chameleon shown in its partial or complete form in variations, try, twins, or along the main line. Example: M.Liburkin, 1st prize Shakhmaty v SSSR 1946, e8e6 0560.10 a8f5h4h6d4.a7 4/4 Draw l.Rb4Be3 2.Kd8,and: A) 2...Rh8+ 3.Kc7 Rxa8 4.Re4+ Bxe4 stalemate. B) 2...Kd6 3.Ke8 Rh8+ 4.Kf7 Rxa8 5.Rd4+ Bxd4 stalemate. final position A final position B Judge: Yochanan Afek Deadline: March 31st, 2003 Send studies marked "Liburkin-MT" to: Harold van der Heijden, Michel de Klerkstraat 28, NL-7425 DG Deventer, The Netherlands E-mail: [email protected]
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No. 144 - (Vol.IX)
ISSN-0012-7671 Copyright ARVESReprinting of (parts of) this magazine is only permittedfor non commercial purposes and with acknowledgement.
April 2002
Tim Krabbe 60 CompositieToernooi / Composing Tourney
After nearly half a century of enjoying thebeauty of endgame studies and problems,and reproducing many of them in my chesspublications, I felt it was time to dosomething in return: to organize andsponsor a composing tourney - if onlybecause I would like to spend my 60thbirthday, 13 April 2003, admiring somefine studies and problems that mightotherwise not have been there.Composers are invited to submit originalcompositions in two sections:1) Endgame Studies2) Problems - direct-mate moremoversPrizes in both sections will be 400, 200,100, 2x50 and 2x25 Euro.1) Endgame studies.Themes are free. Entries no later than 31December 2002 to the TournamentDirector, Rene Olthof, Achter hetSchaapshoofd 7, 5211 MC 's-Hertogenbosch, NEDERLAND; e-mail:<raj [email protected]>Judges: Harold van der Heijden and TimKrabbe.2) Problems - direct-mate moremovers.Themes are free. Entries no later than 31December 2002 to the TournamentDirector, Henk le Grand, Heimanslaan 5,6705 AD Wageningen-hoog,NEDERLAND; e-mail:<[email protected]>
Judges: Ruud Beugelsdijk and TimKrabbe.The awards will be published on TimKrabbe's websitehttp://www.timki'abbe.nl/chess/chess.htmlin his weekly chess column in AlgemeenDagblad, and in EBUR and Probleemblad.
Liburkin Memorial ThemeTourneyARVES announces a composing themeendgame study tourney in memory ofMark Liburkin (1910-1953).The theme: Echo-Chameleon shown in itspartial or complete form in variations, try,twins, or along the main line. Example:M.Liburkin, 1st prize Shakhmaty v SSSR1946,e8e6 0560.10 a8f5h4h6d4.a7 4/4 Drawl.Rb4Be3 2.Kd8,and:A) 2...Rh8+ 3.Kc7 Rxa8 4.Re4+ Bxe4stalemate.B) 2...Kd6 3.Ke8 Rh8+ 4.Kf7 Rxa85.Rd4+ Bxd4 stalemate.
final position A final position BJudge: Yochanan AfekDeadline: March 31st, 2003Send studies marked "Liburkin-MT" to:Harold van der Heijden, Michel deKlerkstraat 28,NL-7425 DG Deventer, The NetherlandsE-mail: [email protected]
Editorial Board EG Subscription
John Roycroft,17 New Way Road,London,England NW9 6PLe-mail: [email protected]
Ed van de Gevel,Binnen de Veste 36,3811 PH Amersfoort,The Netherlandse-mail: [email protected]
Harold van der Heijden,Michel de Klerkstraat 28,7425 DG Deventer,The Netherlandse-mail: harold van der [email protected]
EG is produced by the Dutch-FlemishAssociation for Endgame Study('Alexander Rueb Vereniging voorschaakEindspelStudie') ARVES. Subscrip-tion to EG is not tied to membership ofARVES.The annual subscription of EG (Jan. 1 -Dec. 31) is € 22,- (or $20,- or £14,-) for 4issues. Payments should preferably be inEURO's and can be made by bank note's,Eurogiro, Worldgiro, bankcheques andpostal money orders.To compensate for bank charges paymentsvia Eurogiro should be €27,- (or $24,- or£17,-) and all other should be €32,-(or$28,- or £20,-). Subscribers with AmericanExpress cards can also pay €22,- with theircard. They have to send their number,expiration date plus signature by post tothe Treasurer. The accountnumber ofARVES (not EG!) is 54095.
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ORIGINALS 14editor: Noam Elkies
Eduard Kudelich sends avery successful essay inconsecutive construction.By move two manyreaders will recognizeFritz's classic miniature(Cesk. Sach 1965):
J.Fritz
No 13044 Eduard Kudelich
White to play and draw
J.Fritz l.Ka6 Re7 2.Bb7!Rxb7 and now not Kxb7?a5 winning but first 3 .b5!!and Rc7(h7) producesstalemate while Rb84.Kxa7 R- 5.Kxb6 is aneasy draw.
Kudelich, using the samemen, gets a substantialimprovement froma slight shift in theirposition:
White to play and draw
No 13044 Eduard Kudelichl.Bb7+!/i Rxb7! 2.b5!!/iiiRb8 3.Kxa7/iv Rc8/v4.Kxb6 Ke4 5.Ka7/viKd5 6.b6 Kc6 7.b7/vii Rc78 Ka8! Rxb7 stalemate/viiii) The introductory play isnow only a move long, butstill requires some care:1 .b5 gives Black atechnical win after Ke32.Bb7 Kd4 (Black is closeenough to win after3.Kxa7 Kc5 4.Ka6 Rxb7),and now we may followthe composer's line 3.Bf3Rg7 4.Bc6 Kc5 5.Be8 Kd66.Bc6 Kc7 7.Kxa7 Rg58.Ka8 Rc5, and the threatRxc6 defeats White whomust give up either the b-pawn or (after 9.Be8 Rcl)the plan Bb7-a6.ii) For 2.Kxb7 a5; Black'sking isn't quite closeenough after Ke3 2.Kxa7,when Black's last pawn islost after either b.5 3.Kb6and 4.Bb6 or 2...Re6
3.Ka6 with the plan Kb5,Bc6.iii) Reaching Fritz butwith Kf3 instead of f2, soBlack can make a moreserious winning attempt inthe R vs. P ending,iv) From here on thecomposer's analysis iscorroborated by the*C* databases,v) Rh8 4.Kxb6 leads toanother standard 0003.10draw: Ke4 5.Kc6 Kd4(Rh6+ 6.Kc5 Rh5+ 7.Kc6etc.) 6.b6 Rh6+ 7.Kc7 Kc58.b7 (so far every Whitemove was unique) andnow after Rh7+ Whitechooses between9.Kc8 Kc6 10.b8N+!(Kudelich) or 9.Kb8Kb6/c6 10.Ka8! (cf. themain line),vi) Ka6? Kd5 6.b6 Kc67.Ka7 Rh8 8.b7 wouldalso work after Rh7?9.Ka8, but Black has timefor 8...Kc7! winning,vii) This is the drawbackof 3...Rc8, whichprevented the 5.Kc6 drawbut allowed 7.b7 with gainof time,viii) Artistically linkingthe two phases of thisstudy:twice White prevails witha stalemate sacrifice onb7!
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DIAGRAMS ANDSOLUTIONSeditors: John Roy croftHaroldv.d. Heijden
Euwe-100 MT *#*
On the occasion of the100th birthday of theformer Dutch WorldChampion (1935-37)Machgielis (Max) Euwe(1901-1981), the "MaxEuwe Centrum" in co-operation with the"Nederlandse Bond vanS chaakpr obleemvrienden"and the "Alexander RuebVereniging voorS chaakeindspelstudies"(ARVES) organized aformal internationaltourney. The total prizemoney was almost 1000EUR, with a first prize of750 NLG (340 EUR).103 composers of 25countries submitted no lessthan 132 endgame studies(with a maximum of twostudies per composerallowed). Tourney directorHarold van der Heijdensigned for correctness andanticipation checking (andspotted one case of plagia-rism!). The judge was IGMJan Timman, who decidedthat all incorrect studies(almost 50%!) wereeliminated without givingthe composers a chance tocorrect their work. The
(definitive) award waspresented on xthe openingday of the World Conferen-ce of Chess Composition inWageningen by IM HansBouwmeester(unfortunately, Timmanwas not able to attend theconference because of achess tourney in Curacao tohonour his . own 50thbirthday!).During the conferences asummary award with theresults of the tourney wasavailable (only main linesof the studies), and this wasalso sent to all participants.Later, an extensive articleby Jan Timman waspublished in New in ChessMagazine (no. 7, 2001),but not all studies wereincluded. Therefore, this isthe first publication of thefull award. The commentsby judge Timman weretranslated by HvdH.
No 13045 Henk Enserink1st prize Euwe-100 MT
clh7 0440.12 4/5 BTM, Draw
No 13045 Henk Enserink(Netherlands) l...Rc7+/i2.Bc2+/ii Bf5/iii 3.Rd7+/ivKg8/v 4.Rxc7 £2 5.Rc8+Kf7/vi 6.Rc7+ Ke8 7.Rc8+Ke7/vii 8Rc7+ Kd69.Rf7/viii flQ+ 10.Kb2Qc4 ll.Rxf5draw.i) Kg7 2.Rd4 Bh5 3.Rf4Ra3 4.Bb3.ii) 2.Kd2? f2 3.Be2 Bxe24.Kxe2 Rc2+ 5.Kfl Rxa2,or 3.Rf6 Rd7+ 4.Ke3Bxdl.iii) Kg8 3.Rg6+ Rg74.Rxg7+ ICxg7 5.Kd2 £26.Bd3.iv) 3.Rd2? Rxc2+ 4.Rxc2Bxc2 5.Kxc2 f2.v) Rxd7 4.Bxf5+ Kg75.Bxd7; Kg6 4.Rxc7 f25.Bxf5+ Kxf5 6.Rf7+; Kh64.Rxc7 f2 5.Bd3 Bxd36.Rf7 flQ+ 7.Rxfl Bxfl8.a4b4 9.Kb2.vi)Bxc8 8.Kcl Kg7 9.Kd2Kf6 10.Ke2 Ke5 ll.Kxf2Kd4 12.Ke2 Kc3 13.Be4Kb2 14.Kd2 Kxa2 15.Bc2drawvii) Bxc8 8.Bd3 b4 9.Kd2Bh3 10.Ke3 flQ ll.BxflBxfl 12,Kd4 Kd713.Kc(d)5 drawing,viii) 9.Rd7+? Bxd7 10.Bd3Kc5."Independent of any pre-selection I could havemade, or what standardswould be applied, andwhich main line would bethe most impressive, thereis one study that clearlystands out from all others.
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It harbours and exploits atheme that is so close to myheart that I felt green withenvy after playing throughthe main line with thebreath-taking cross pin Ihave pursued for such alongtime".
Timman suggested anothersetting (first published inSchaaknieuws no. 15 18-8-2001) with wR at d4, anextra wBb4 and bBb8,giving White the firstmove: LBd6 Bxd6 2.Rxd6.
mate.v)Rc8 6.Bb6.vi)Kf4 8.Bb6.vii) 8.Bg5? Kd3 9.Kfl Re?10.Bh6(f4) Ke4 ll.BgSKf3 12.Bd2 Rc4 13.Bg5Rg4 14.B- Rgl mate;8.Bf6? Ke3 9.Bh4 Ra210.Bd8Ke2wins.viii) 9.Bg5? Kd3; 9.Bf8?Rb5 10.Bh6 (Rh5ll.Bd2/xii Kd3 12JBb4Ke2; 9.Bf6+? Ke3 10.Bxb2Ke2 wins.ix) 10.Bf4? Kd3 ll.KflKe412.Bg3 K£3 wins.x)Ra2 11.Bc7(d6).xi) 2.Kfl Rel+ 3.Kg2flQ+wins.xii) l l .Bcl flQ+ 12.KxflRhl+."The initial position is verynatural". "The very subtleplay of Rook and pawnagainst Bishop gainssomething extra becauseWhite has to co-ordinatehis forces very careful. PalBenko, a long time ago,also composed a brilliantstudy with this limitedmaterial. The tempo playthat leads to the technicalposition after White's 7thmove is very ingenious.Also during the technicalphase White has to playvery accurate. This study isa small but importantcontribution to endgametheory".
No 13048 JarlUlrichsen1st Hon.Men.Euwe-100 MT
g3f7 0313.20 4/3 WinNo 13048 Jarl Ulrichsen(Norway) I.c7 Se4+2.Kg4/i Rg5+ 3.Kf4/ii Sd64.Bxd6/iii Rg8 5.Ke4/ivRa8/v 6.Kf5/vi Re8/vii7JBf8/viii Rxf8 8.d6 Ke8+9.Ke6 wins.i) 2.Kg2? Rf2+ and Rc2;2.Kh3? Rf3+ and Rc3;2.Kh4? Rf4+ and Sf2/Sf6+andRc4.ii)3.Kf3?Rg3+andRc3.iii)4.Kxg5? Kxf8 draws,iv) Thematic try: 5.Ke5?Re8 reciprocal zugzwang6.Kf5 Ra8 anotherreciprocal zugzwang, andnow: 7.Bc5 Rc8 8.d6 (Bb6;Ke7) Ke8 9.Ke6 Rxc710.dxc7 stalemate I, or:7.Bf8 Ke8 8.Ke6 Ra6+with: 9.Bd6 Rc6 (Ra8?;Bc5) 10.dxc6 (Ke5; Rc4)stalemate II, or: 9.d6 Rc610.Bg7 Rxc7 H.dxc7stalemate III, or here:10.Be7 Rxc7 Il.dxc7stalemate IV, or 10.c8Q+Rxc8 Il.d7+ Kd8 12.Kd6(Be7+; Kc7) Rc6+
13.Kxc6 stalemate V.v) Re8+ 6.Kd4; Kf6 6.Kd4.vi) 6.Ke5? Rc8 zugzwang.vii) Rc8 7.Ke5 reciprocalzugzwang, wins, e.g.: Ra88.Bc5 Ke8 9.Ke6 Rc810.Kd6.viii) 7.Bc5? Rc8 8.d6 Ke89.Ke6 Rxc7 10.dxc7stalemate."This miniature is. alsophantastic and goodenough to win firsthonourable mention, but itlacks the importanttheoretical element of thethird prize study. The mainissue is here the foreplay.The way Black sacrificeshis Knight to preventpromotion is brilliant. Thefurther tempo play is moreor less known, but it is stilla pleasure to see how itprecisely works".
stalemate.i) Kxd7 4.Sc5+; Qxd74.Sf6+; Kf7 4.Sf6, but also4.Sg5+ Ke8 5.Se4; Qa64.Sd6+ Kxd75.e8Q+ Kxd6and now both 6.Qg6+ Be67.Qd3+ Qxd3 stalemate, or6.Qb5 Qxb5 stalemate, orQa7 7.Qb8+ Qxb8 stalema-te. • • . - '. ' • "•• ;. .'••" V"The initial position is verynatural. At first sight onewonders why White shouldloose anyway consideringhis enormous materialadvantage. When lookingmore closely, it turns outthat Black has a verydangerous attack. Only bysystematically sacrificingall his pieces, White is ableto achieve a pure stalemate.A beautiful study".
Rg2 draw.xii) Not Rgl? 7.a8Q Rbl+8.Ka4 a2 9.Qa7+ Kd3(Ke4; Sc5+) 10.Qa6+ Ke3ll.Qh6+wins.xiii) Not Kxd4? 5.a7 Rg2+6.Kb3 wins; Kxf6 5.Rd8Rg2+ 6.Kxa3 Rg3+ 7.Kb4wins."White's victory is basedon the strength of the whitea-pawn. Black trieseverything to stop it. Butthrough a switch-back onmove 3 and 4, Whitesucceeds. The study hassubtle play".
•Bb7 11.Ke3.draw;"At first sight the positionis totally lost. Only by firmaction, in which a possiblepromotion of the f-pawnplays an important role,White is able to savehimself. "A very subtlecomposition, almost aminiature".
No 13052 F. Benko5thHon.Men. Euwe-100 MT
Benko (Argentinia) l.Re2/iRe7 2.Rel/ii cxb5 3.Sd5/iiiRe8 4.Sb6/iv Re7 5.Sc8Rc7(e8) 6.Sd6 Re7 7.Rxe5Rxe5 8.Sf7+wins,i) threatens 2.Sd3.ii) threatens 3.Sd3.iii)3.Sd3?Sc6.ivj threatens 5.Sd7."The initial position is sonatural that it looks like itstems from an o.t.b. game.The pin along the e-filefinishes Black up." "Aknight manoeuvre resultingin a phantasy-check".
draw.v) RfB 4.Ka6 Rf6+ 5.Ka5Rf3 6.Ka4 draw.vi)Rb2 5.Bdl.vii) 6.g4? Rb3 7.Bd7 Rb78.Bc8 Rb8 9.Ba6 Rblwins.viii) 12.Ba4? Rd3 wins.ix)Rd3 13.Ka4draw.x) Ra8+? 2.Ba6 Ra7 3.g4Ra8 4.g5 Ra7 5.g6 draw.xi) Ra7+? 5.Ba6 Ra8 6.g3Ra7 7.g4 Ra8 8.g5 Ra79.g6 draw."The tempo play in thisminiature is partly known,but it is an enormous joy tosee the points that thecomposer has included".
i) Bel 2.Kc6 +-; Bxc52.Kxc5 ,Kf8 3.Kd6 seemain line after 6.Kd6."It is clear that white'sadvanced pawns are verydangerous, but the way inwhich White sacrifes oneto reach a won pawnending, is breath-taking".
No 13056 IlhamAliev&Rahim Gasimov
3rd Comm Euwe-100 MT
b4a7 3110.33 6/5 DrawNo 13056 Ilham Aliev &Rahim Gasimov(Azerbadyan) l.b8Q+ICxb8 2.Bf4+ Kb7 3.Ka5/iblQ/ii 4.Rc7+ Kb85.Rcl+/iii Ka8 6.Rc8+Ka7/iv 7.Rc7+ Qb78.Rxb7+ IOcb7 9.h7 Qc410.h8Q Qa6+ ll.Kb4Qc4+ 12.Ka5/v draws.i)3.Rc7+?Kb6wins.ii) Qc4 4.Rxc4 dxc4 5.h7blQ 6.h8Q; Qb3 4.Rxb3+(or 4.Rc7+) axb3 5.h7.iii) On the 5th move otherchecks of the Rook on thec-file are also sufficient.But after 5.Rc2+ Ka8White cannot play 6.Rxa2?
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Kb7 7.h7 Qb6+ 8.Kxa4Qxd4+ 9.Ka5 Qc3+10.Ka4 Qc4+ ll.Ka3Qd3+ 12.Kb4 Qxh7 wins,iv) Kb7 7.Rc7+.v) 12.Ka3? Qb3 mate."The initial play is not verygracious, but then afascinating fight enrollsthat ends in a logical wayin a draw".
battery-mates are revealed:9...clQ+ 10.Kd7+, 9...blQ10.Kc7+,and9...a5
No 13063 S.Osintsev 10.Kb6+.3/4th prize Sukharev-90JT
No 13065 N.Argunov ',2nd honourable mention
Sulcharev-90JT
flh4 0471.22 6/6 WinNo 13061 Ivan Bondar(Belarus). LRb6Rg62.Rxc6Rf6+3.KglBh2+4.Kxh2Rxb6 5.Sxb4Rb66.g3+ Kg47.Bdl Rxb48.e4 mate.One hopes that 7.e4 isadequately met by Kf3.The wB is obtrusive.
2.g7+Kli7 3.g8Q+Kxh6•4.Qxf8+Kg5/i5.Qg7+KM 6.Qf6+ Qg5 7,Qf2+(f8Q? Rgl+;) g3 8.Qd4+Qg4 9.Qd8+Qg5 10.f8QdlQ/iill.Qf4+Qg412.dQxg5 mate.i)Kg6 5.Qg8+andfPqueens with check.i i )Rgl+l l .KxgldlQ+12.Qxdl Qe3+13.Kg2Qe4+ 14.fQf3 wins.
No 13070 B.Olimpiev3rd/5th comm Sukharev-90JT
c5g4 0031.12 3/4 WinNo 13070 B.Olimpiev.LKd5Bd6 2.Kxd6a3 3.a6a2 4.Sc2f3 5.a7alQ6.Sxal f2 7.Sc2 Kf4 8.a8RflQ9.Rf8+Ke4 10,Rxfl,and thanks to theunderpromotion it's notstalemate. White's moves3 and 4 can be inverted.
554
No 13071 V.Kirillov,A.Manyakhin, E.Fomichev3rd/5th comm Sukharev-90JT
No 13072 F.Bondarenlco andB.Sidorov
special prize Sukharev-90JTdedicated to the memory of
F.Bondarenko
h7g5 4146.11 5/6 Draw.No 13071 V.Kirillov,A.Manyakhin,E.Fomichev. l.Rg8+ Kf62.QxhlQe4+3.Bf5Qxf5+4.Kxh8 Be5 5.Qh6+(Rf8+? Ke7+;) Kf7+6.Rg7+ Kf8 7.Qd6+ Bxd68.Rf7+and stalematefollows either capture.The printed diagramcaption replaced thesecond and third names by"& Co." Let no one saythere's nothing new in thestudies world!
The award of this informalinternational tourney was
published in StrategemsS9 supplement x-xii2000.The tourney was judgedby John Roy croft.Confirmation period: byliv2001.Judge's report: Forenjoyment a study need beneither original nor sound.This applies to composerand audience alike. But ajudge's duty to exercisescholarship and argueddiscernment makes him ona occasion a kill-joy. So,do not let a mere judgemar your enjoyment - youraward is perfectly valid,for you. (End of quotationfrom an imaginary RalphWaldo Emerson essay.)This judge's (abridged)criteria: charm; originality;depth. All should bepresent in an honouredstudy, with at least onedesideratum prominent.The three terms are to betaken broadly: disguisemay well contribute tocharm; originality can bein the setting as well as inthe idea; strugglecontributes to depth. Mindyou, a fourth, unexpected,ingredient is alwayswelcome.
StrateGems can celebratethe excellent standard ofthis its first tourney forstudies: 23 publishedcosmopolitan entriesranging widely in styleand content. A feast for
555
everyone. If the award isin some respects harsh -due to scrutiny for bothsoundness andanticipations by Haroldvan der Heijden(Deventer, TheNetherlands), whosesophisticated computer-based consultation serviceis now de rigueur for bothcomposers and judges -this too should be taken asa compliment.
No 13074 J.Rusinek1st pr StrateGems 1998-1999
No 13075 M.R.Vukcevich2nd pr StrateGems 1998-1999
flh2 3442.21 7/5 DrawNo 13074 J.Rusinek(Warsaw). LSg4+Qxg42.Re2+ Khl 3.Rh2+ Kxh24.b8Q+Rc7 5.Qxc7+f46.Bf2 Qdl+7.Bel Bd3+8.Kf2Qg4 9.Sf3+Khl10.Qxf4 Qxf4 stalemate."There is compensation inplenty for the initial heavymaterial, and the climax isspectacular. No closeanticipations." HewDundas expresses surpriseat the top placing.
a2h7 0877.57 10/14 DrawNo 13075 MilanR.Vukcevich (USA),l.Rh8+Kxh8 2.h7Ral+3.KxalglQ+4.Ka2Qbl+5.Kxbl Sdl+ 6.Kal Bc3+7.Ka2 Rb2+ 8,Kal Rf2+9.KblBe4 10.Bf5 Rb2+H.KalRb6+12.Ka2Bd513.Be6 Rb2+ 14.Kal R12+15.KblBe4 16.Bf5,withacomplex perpetual motiondraw."The Romanian EmilianDobrescu (1998, so not ananticipation, thoughindeed a correction of hisprize in Shakhmaty v SSSRin 1982 - see diagram 84in his 1999 book ChessStudy Compositionshowed the same theme ofalternating Nowotnyinterference defences to adouble threat of (mating)S+. It is interesting forcomposers and classifiersthat Dobrescu gives Blackthe mating threats so theinterference moves aremade by Black, whereas in
the Vukcevich the matingthreats are by White whotherefore also plays thecountering interferencemoves. Dobrescu showsthe theme with greatereconomy, but hissupporting variations areless readilycomprehended."
No 13076 M.Campioli3rd pr StrateGems 1998-1999
e4g5 0070.56 7/9 WinNo 13076 Marco Campioli(Italy). Lh7Bf5+2.Ke5Bxh7 3.Bxd2+Kxh5 4.a6Bg8 5.a7Bf6+6.Ke4Bh7+ 7.Kf4 Bg5+ 8.Kxg3Bxd2 9.a8QBel+10.Kli2g3+ 1 l.Khl, emergingfrom the episcopalharassment, Bf2 12.Qe8+Kg4 13.Qd7+Bf514.Qxc7d3 15.d6d216.Qc4+Kg5 17.Qd5,andnotll .Kgl?Bf2+12.KlilBf5 13.Qe8+Kg5 14.Qe5d3 15.Qxc7 d2, drawing."Despite the absence of aclimax, and rather toomany pawns, thesupporting lines (such as
556
10.Kf4 Bb4) are fresh and No 130781.N.Aliev 2nd No 13079 M.R.Vukcevichthe originality sufficient." honourable mention 3rd honourable mention
StrateGems 1998-1999 StrateGems 1998-1999
No 13077 P.Benko1 st honourable mentionStrateGems 1998-1999
d4a5 4400.00 3/3 WinNo 13077 Pal Benko(USA/Hungary). l.Qal+Kb6/i2.Qbl+,with:
-Ka5/ii3.Qel+Kb64.Rh6+Rf6 5.Qf2,andthesame trick, repeated in twoother places on two othersquares, or
-Kc6 3.Rh6+Rf64.Qe4+Kb6 5.Qf5,withno check by bQ on a7.i) Qa2 2.Qc3+ Ka63.Rh6+, and interpositionby bRis not on.ii)Ka6 3.Rh6+Rf64.Qfl+."The accuracy of theextraordinary content (forthis pawnless heavymaterial) is borne out bythe computer."
h8h6 3020.31 6/3 Draw.....I: diagramII: remove wBfl, addwSd4No 13078 Ilham NuruogluAliev (Azerbaidzhan).I: l.Be3+QXe3 2.g7Qe53.e8SQxe8+4.g8S+Kg65.Bd3+Kf7 6.Bg6+Kxg6,when White is stalematedafter two under-promotions.II: l.Se6Qxe6 2.g7Qe53.Be3+Qxe3 4.g8S+Kg65.e8Q+Qxe8, the samestalemate, but the order ofthe promotions isswitched."The judge isuncomfortable placingtwins in an award, butfinds himself impressed,despite the twinning beingirregular in that it involvesa switch of both piece typeand square. There arepartial anticipations -especially a magnificentBron (1970, see No.1593inEG2P)."
e7h8 0371.41 7/5 WinNo 13079 M.R.Vukcevich.LSd3/iBxd3 2.Bxd3Bel3.Kxf8Bxb4+4.Ke8Kg75.Bfl Kf6 6.Bh3 h57.f8Q+Bxf8 8.Kxf8 h49.Ke8(Kg8) wins - thestalemate is disrupted.i)l.Sc2?Bxc2 2.Bxc2Bel3.Kxf8Bxb4+4.Ke8Kg7 5.BdlKf6 6.Bg4h57.Bh3 h4 8.f8Q+ Bxf89.Kxf8 stalemate. Weread: wB has to hold wPf5before capturing the lightbB, but he must also keepan eye on Black's hP. Thisis possible only by placingwB on g4 or h3. In the tryBlack has time to create astalemate, while in thesolution White gains atempo." Clear now?!"The undeniable charm ofthe finale conflicts withthe introduction'sdiscordant - and head-scratching - thematiccomplexity."
557
No 13080 M.Prcic1st commendation
StrateGems 1998-1999
h7a3 0040.20 4/2 WinNo 13080 Mike Prcic(USA). La5Ka4/i2.a6Bd4 3.Bb8Kb4/ii4.c3+ICxc3 5.Be5Bxe5 6.a7,winning.i)Bd4 2.Bb6Be5 3.a6Bb8 4.c4. OrKb2 2.a6Bd4 3.Be5.ii) Kb5 4x3 B-5.a7 Bxa76.Bxa7 Kd4 7.Bd4 wins."Charm againpredominates. Acomputer-identified dual(4.Kg2) can be cured,HvdH proposes, byplacing the non- ^participating wK(originally, ie in 1999, onhl)onh7."
No 13081 Michael Roxlau(Berlin, Germany). l.Rh8/iBxe7 2.Re8Bxb4 3.Rb8Bd6/ii4.Rb6Bc5 5.Kg3Bxb6 6.fBQe2 7.Qg7(Qg8?Kfl;)elQ+8.Kf3+wins.
i)l.Sf5?e2 2.Sd4Kf2/iii3.Sxe2Kxe2 4.Rli8Bxb45.Rb8 Bd6, drawn.^ii)Bc5 4.Kg3Kfl5.Rbl+Ke2 6.Rxal wins.iii)elQ3.Sf3+Kf2 4.SxelKxel5.Rh8Bxb4 6.Rb8B-7.Rbl+, when Whitewins bSal without losingwPf7."Charm may be wanting -or merely concealed - butingenuity is here inabundance."
No 13081 M.Roxlau2nd commendation
StrateGems 1998-1999
No 13082 Robert Brieger(USA). Lh6/iKg8 2.g6hxg6 3.f6 g5 4.Kfl g2+5.Kgl g4 6.Kf2 g3+ 7.Kglwins.i)l.f6?Kg8 2.g6h6draw."Every move sets up areciprocal zugzwang. Adual (4.Khl) seemsavoided (HvdH again) byinitially placing wK on e 1,instead of gl, where it wasin 1998."
Kc2 (Kd2;Ka3) 9. Qb3+wins.ii) In this "static" position,the play is governed byfour 'rules', two for Whiteand two for Black:White has two ways to
win:(1) by capturing bPa3 via
continuous checks; theexception being if Whitecan pin the b3P with wQa4and bKc2/dl (thuswinning bPa3).
OR.(2) by capturing bScl
with check.Black's two roads to draware to reach:
(3) the square t>4 safely(ie. without immediateloss ofbPa3), or
(4) the square h3 (!)safely (ie. withoutimmediate loss of bPa3).iii) Other checks allow4...Kb4! drawing (Rule 3).iv) This is now Meinking'sEG7P.5498. If 4...Kd35. Qfl+transposes.v)If5...Qe4+!?Kc3,White must again play6.Qel+ to prevent 6...Kb4!(Rule 3).vi) White checks whileeyeing the bScl, toprevent the bK escapingvia the c-file (Rule 2) tothe b-file box (Rule 3).vii) Still eyeing the bScl(Rule 2).viii) As a side note,7...Kdl allows 8.Qa4!
(Rule lb), although Whitecan still win by checking,ix) The only move! And...still watching the b S c 1.All other checks allowBlack to reach h3 (Rule 4),and thereby drawing.Example: 8.Qe4+?Kfl!and White will not be ableto force bPa3 nor bSclcapture (Rules la and 2)before Black reaches h3(Rule 4).
x) Game over! White willeither win the bScl (Rule2) or bPa3 (Rule la) withcheck.xi)3.Kal!?Sb3+4.Ka2repeats, but not 4.Kbl?Sd2+ 5.Ka2 Sc4! andBlack wins. Also... 3.Kbl?a2+! 4.KalKb3!and Black mates in two!xii)Not7.Qe4?Sd38.Qc6+ (8.Qb7? Sc5+!)Kd2 9.Qb5Kcl!notKc2?10.Qb3+wins) 10.Qc4+Kd2 ll.Qb5, draw, notH.Qb3?Sc5+! Thedifference between7.Qg6!! and 7.Qe4? is thatWhite can force Qb3 withcheck, so that Black willnot then be able to play the...Sc5+fork.The judge did not have theabove exposition-whichis largely due to composerDaniel Meinking - at hiselbow and considered theplay too analytical andunstudy-like for inclusionin the award.
ROCHADE EUROPA1996-1997
Informal tourney fororiginal studies.Report by judge: A studyby Pal Benko (2/96) andthree attributed to anunknown 'MikhailoPrusikhin' (3/96) were notamong the 23 studiespresented forconsideration to the judge.Skilled and experiencedcomposers provided awide range of style andcontent, much enjoyed andappreciated in the judgingprocess.If the successor judge (forthe current tourney)derives as much pleasurefrom his work as thepresent one has had, thenthe enduring high qualityof this internationalcolumn will be anestablished fact. The judgethanks the editor ManfredSeidel for his unfailinghelp and guidance.
John RoycroftLondon
559
No 13084 G.Slepian•1st prize ROCHADEEUROPA 1996-1997
No 13085 J.Fleck2nd prize ROCHADEEUROPA 1996-1997
blhl 0432.02 4/5 WinNo 13084 G.Slepian(Minsk, Belarus)l.Sg3+Kgl2.Rhl+Kf2 3.Se4+Ke2 4.Sxd6d2 5.Sf3/iBf5+/ii 6.Kb2/iii, andwins, the threat to matebeing combined with thewin of bB and halting bPwith wSa3.i)5.Rh2+?Kxel6.Rhl+Ke2 7.Kc2 Bb3+leads to adraw.ii) Kxf3 6.Kc2 Ke27.Rh2+ and bPd2 is aboutto be taken. dlQ+ 6.RxdlKxdl 7.Sb5 (for mate)Ke2 8.fSd4+Kd3 9.Sxe6Kc4 10.eSc7a4 ll.Sa3+Kb3 12.cSb5 with a bookwin (dust off your Cheron,Vol.2!).iii)6.Sxf5?dlQ+7.RxdlICxdl 8.S5d4 a4 9.Sb5Ke2 10.fSd4+Kd3a3draws.Judge: Startling!
flhl 4342.12 6/6 DrawNo 13085 J.Fleck(Germany)l.Sg4/i dlQ+/ii2.BxdlRel+3.Kxel/iiiBxa5+/iv 4.Qc3 Bxc3+/v5.KflQc4+6.Be2/viQd5(Qf4+) 7.Bf3+ Qxf3+8.Sf2+, and either8...Qxf2+ draw or 8...Kh2stalemate.i)l.Qxg8?Rxg8 2.Sg4Rf8+3.Sf2+Kh2 4.Sc4Kg3 wins, if now 5.Sxd2Rxf2-f6.KelBa5 7.KdlBxd2 8.Kxd2 Kf49.Kdl/viiKe3 10.Bc4Rd2+ll.KclRd7 12.Bg8Kd3. LBf3+?Kxh22.Qf4+Kh3 3.Qxd2Rf8wins. LQc6+?Kxh22.Qh6+Kg3 3.Qd6+Kh34.Qxa3+Kh2 wins,ii) Rf8+2.Sf2+Rxf2+3.Kxf2Qgl+4.Kf3dlQ5.BxdlQxdl+6.Qe2Qd5+ 7.Qe4 Qxe4+8.Kxe4Bxa5,andWdraws by marching wK tob 1 - a known draw.
iii)3.Kf2?Bh4+4.Kf3Qf8+5.Qf4 Qa8+andmates.iv) wQ is for the highjump. If now 4.Kf2, thereis Bb6+, in reply.v)Qd5 5.Bf3+. OrQe6+5.Kfl. OrQd8 5.Kf2. Innone of these cases hasBlack any winningchances. One mayobserve that with aPPremoved there is a win forBlackby4...Qa2 5.Kfl
V
vi) The wQ-sac isexplained. Now there isno win for Black by
vii) 9.Kd3? Rg2 10.Kd2Ke4 H.KdlKd4.Judge: A lovely positionwith 'misprint' wR-sacrifice, repeated-although it is the samemanoeuvre, so there is nogreat variety in therepetition.
No 13086 E.Iriarte1 st honourable mentionROCHADE EUROPA 96-97
m.y m,y/
d3g7 0003.42 5/4 Win
560
No 13086 E.Iriarte(Mendoza, Argentina)I.c6,with:
- dxc6 2.a6 Se6 (or Sd7;)3.a7Sc7(orSb6;)4.Kc4(Kd4)Kxg6 5.Kc5Sa8 6.ICxc6Kf6 7.Kb7wins, or
-Se6 2.cxd7Sc5+3.Kc4Sxd7 4.Kb5 Sb8 5.Kxa4ICxg6 6.Kb5 Kf6 7.a6wins, or
ii) Bxd5 5.Rxa8 Bxa8 6.e6Bd5 7.e4 Ba2 8.e7 Bf79.e5Bc5 10.b6Bxb6H.e6Be8 12.Kc4 Kh613.f6Kg6 14.f7draw.iii) Not 9.Rg2+? Kh310.Ra2Ba7.Judge: Mechanical, maybe- but not too mechanical.
No 13088 Ju.Randviir1st commendation
ROCHADE EUROPA 96-97
alcl 0004.11 3/3 DrawNo 13088 Ju.Randviir(Tallinn, Estonia) l.Sc3?Kc2, and2.g7IOcc3 3.g8QdlQ+5or2.SdlKxdl3.g7Kc2 both lead to W beingmated. So l.Sb2 Sxb22.g7dlQ3.g8Q, and theoracle databases,unsatisfactorily founded(as they have so far been)on 'game theory1, declare adraw without giving anymoves! So, 3...Kc2+4.Ka2Qbl+5.Ka3and3...Sd3 4.Qb3, or3...Sa44.Qc4+, or3...Qd44.Qg5+, all OK, but theauthor's line goes:3...Qa4+4.Qa2Qc2
561
5.Qc4, when Qxc4 andSxc4 both leave stalemate.Judge: A mini-delight.
No 13089 V.V.Nikitin2nd commendation
ROCHADE EUROPA 96-97
No 13090 B. de Bouvre3rd commendationROCHADE EUROPA 96-97
No 13091 Ju.Randviir4th commendation
ROCHADE EUROPA 96-97
• .h6g8 0143.02 3/5 Draw-No 13089 V.V.Nikitin(Borovichi, Russia)LRg5+/iKf7 2.Rf5+Ke63.Re5+Kf6 4.Rxe2hlQ+(Bxe2/Sxe2;Bxh2) 5.Rh2with Q-capture and draw.i)l .Bxh2?elQ2.Rg5+Kr7 3.Rf5+Ke6 4.Re5+Qxe5 5.Bxe5 Kxe5 wins.A Rochade Europa solvercommented: "At last astudy solution that I canfollow!"Judge: Another delight.
No 13093 Pekka Massinen6th commendationROCHADE EUROPA 96-97
g2e2 4001.03 3/5 WinNo 13092 Gregor Werner(Worms, Germany)LQe5+Kd2 2.Sc4+Kdl3.Se3+Kcl4.Qal+Kd25.Sfl+Ke2 6.Sxg3+Kd27.Sfl+Ke2 8.Qe5+Kdl9.Se3+Kcl 10.Qal+Kd2H.Sc4+Ke2 12.Qe5+Kdl 13.Sb2+Kd214.Qa5+Ke2 15.Qb5+Ke3 16.Qc5+Ke217.Qe7+Kd2 18.Qb4+Ke2 19.Qf4for20.Qf2mate.Judge: The fresh handlingof this hackneyed materialis very welcome.HvdH remarks that thiscorrection has beencooked by Campioli with15.Qxf5
d6e8 3041.32 6/5 WinNo 13093 Pekka Massinen(Finland) l.Bg6+/i, with:
Ofer Comay judged thisring tourney. Uri Blass(Israel) computer-checkedthe studies and AlexEttinger provided anEnglish translation of theaward for publication inVariantim no. 29 (ix/2000).There seems to be noconfirmation period.Judges report: "28 correctstudies were received foradjudication. I should liketo thank Hillel Aloni forthe great job he did,without which the awardwould never have beencompleted: collecting theproblems and meticulouslywriting down all thevariations after each hadbeen thoroughly checked. Ishould also like to thankUri Blass for computer-checking, and thanks towhose assistance thehonoured studies may beassumed correct....""A considerable number ofentries were composed forthe 'As long as possible1
tourney run in Shahmat1996, where composerswere asked to afford thelongest introductory-playpossible to a givenconcluding position. Longstudies lacking in artistic
563
value are of course notincluded in this award,while others, with highartistic value, suffer froman inevitable weakness inoriginality.In general, I enjoyed mostof the entries: some wouldhave made it in anothertourney, but not here.""And now to the award. Ihesitated between the firsttwo studies, and havedecided to hesitatepermanently."
Kf8) 8.e7 Qxc7 9.Kf8 Qc510.Rc6 Qb4 ll.Rb6 Qc512.Rc6 Qb4 13.Rb6positional draw."Interesting play with bRsacrifice and a surprisingquiet white move (7.Kg7)in the presence of a loosebQ."
Bd5 6.Rc3+Kd6, or 6.Rd3Rb2+7.Kal Rb3, or 6.Rb3Ral.iv) 4.Rc3+? Kb5 5.Rh3Ra2+ 6.Kbl Bd5 7.Rd3/xiBc4 8.Rb3+/xii Bb49.Kxa2 Ka4, but not Ka4?9.Rc3 Rb2+ lO.Kal Rb411 .Rxa3+ Kxa3 stalemate.v) 5.Rd5+? Ke7 6.Re5+Kd7 7.Rd5+ Kc6 8.Rd3Ra2+ 9.Kbl Be6 10.Rc3+Bc5 wins, or 5.Ra5? Ra2+6.Kbl Bc4 7.Ra4 Bd58.Ra6+ Ke5 9.Re6+ Kd4wins.vi) 6.Re6+? Kd7 7.Re3/xiiiRa2+ 8.Kbl Bc4 9Rc3Be6 wins.vii) Ke8 7.Ra7 see mainline.viii) 7.Rf3? Ke8 8.Rh3Ra2+ 9.Kbl Bf7 10.Rf3Rb2+ ll.Kal Rb3, and7.Ra7? Ra2+ 8.Kbl Ke89.Ra5 Ke.7 10.Ra7+ Kd6H.Ra6+Kd5 12.Ra5+Kd413.Rd5+ Kc4 14.Rd4+Kb5 15.Rd3 Bc4 win forBlack.ix) 8.Rd8+? Kf7 9.Rd7+Ke6.x) The position is now amutual zugzwang, forexample Kf8 10.Rf7+ Kg8ll.Rg7+, or Bc4 10.Ra4Bd5 ll.Ra5 Bf7 12.Ra8+Ke7 13.Ra7+andRxf7.xi) 7.Rb3+ Ka4 8.Rd3 Be4wins.xii) 8.Rc3 Rb2+; 8.Rd5+Bc5.xiii) 7.Ra6? Ra2+ 8.KblKd8 9.Ra8+ (Ra7; Ke8 see
564
later) Ke7 10.Re8+ Kd6ll.Rd8+ Ke6 12.Rd3 Bc413.Rc3 Bd5 14.Re3+ Kd615.Rd3 Rb2+ 16.Kal Rb3wins.Hillel Aloni's suggestion(Variantim xi/1995): dlb60563.G0 e3f3a2blf8d3 3/5BTM, Draw: L..Bc2+2.Ke2 Scl+ 3.Kd2 Sb3+4.Rxb3+ Bxb3+ reachingElkies1 position."The mutual zugzwangposition is surprising, andis accented by the try7.Ra7. On the other hand,the play is technical andwearisome. I find theversion offered by HillelAloni more interesting, butI don't think it can beforced on the composer".
i) cxb2 2.Sxa3; axb22.Sxc3; Bdl+ 2.Kg3 axb23.Sxc3."Two rook sacrifices withcharming play in aseemingly innocentposition. If the finalposition was not known,this study would have won1st prize!".
Kxe3 6.Bdl win.vi) 6.Sfl? Rc3 7.Rxc3stalemate.vii) Rxf3 7.Rc4 mate, Kxf37.Sd4+; Rb6+ 7.R(B)c6wins.viii) 7.Rxc3? stalemate."A beautiful pawnlessstudy, which culminates ina stalemate traptransformed into a mid-board mate trap. All menreach their final placethrough natural play. Theweak point of the study lieswith the 'sitting ducks',wBe3 and wSb3, which arecaptured on their diagramsquares (though they takepart in side-variations)".
vii) 7.Rbl(e7)+? Bb78.Bxb7+ Kd8 9.Rxelstalemate, 7.Rb5(6)+? Bb78.Bxb7+ Kb8 9.Bc6+ Ka710.Kc7Ka6.ix) 9.Rg2? Re2 10.Rg8+Re8 H.Rg7Re7 12.Rxe7.x) because the well-knownPhilidor-position has beenreached."Active play with a numberof sacrifices of lightofficers, but I miss acentral point. The keyl...Be5+! is the mostimpressive".
iii) or 5.Sa6 first. rook manoeuvre"."The study is good, but theminor dual of exchanged No 13103 L. Katsnelsonwhite moves is verydisturbing (5.h7 or 5.Sa6)".
lO.Rcl c4 ll.Rdl+wins."The move 4.Rh8! is theonly one because of theprecise timing required forthe wK and wRprogression. Only thismoves enables 5.Kg6!Then White will choose hiscontinuation according toblack's choice of moves".
wins.ii) 6.BfB? b3 7.Bg7 Kc68.Bd4 Kb5 wins.iii) Ke7 4.Ke4 Ke6 5.Bg7see first line."Accurate White play inboth variations".
64-Shakhmatnoeobozrenie 1999
This tourney was judgedby Oleg Pervakov. 34studies by 23 composersentered. Judge'sreport/AJR remarks: ...there were the normalcasualties, 8 beingreported by the judge, whohad been presented byHvdH with a copy of thelatter's database...
8.Bg6+/vii Kd8 9.Bd3zBb2 lD.Kb6Bd4+ll.Kc6Bd7+12.Kd5 and Blackdrops a piece.i) Be8 2.Sb8 Sf8 3.Bd6.Or Sf8 2.Bd5+Kg73.Be5+Kh6 4.Bd6.ii)2.Sb8?Sc5 3.Bd5+/viiiKf8 4.Bd6+Ke8 5.Bxc5d6+6.Kc7 dxc5 7.Sa6 Be38.Kd6 Bd7 9.Sxc5 Bf4mate!iii) Kg7 5.Be5+Kh66.Bc4 Bc8 7.Bd3 Bb7+8.Kb6 Be3+9.Ka5 Bd2+10.Kb6.iv) 5.Bd6+(?) Ke8 and6.Be4? Sc3 7.Bd3 Bf3+8.Kb6 Kd7 9.Be5 Sa4+, or6.Bc4? Bf3+7.Kb6 Kd78.Bg3Sc7.v) 6.Bd3? Sc3 7.Bd6+Kf7.vi) Sc3 8.Bg6+Kd8 9.Be5Bd7 10.Kb6.vii) 8.Kb6? Be3+9.Kc6(Ka5,Sc5;)Bd7+10.Kd5Sb5 wins.viii)3.Bd6Bxa3 4.Bd5+Kg7 5.Kd8Se6+6.Ke7SfSwins.".... the position after12.Kd5! is a minor piecesportrait limned with thebrush of one of the greatmasters ....."
568
No 13106 S.N.Tkachenko2nd prize 64-Shakhmatnoe
obozrenie 1999
No 13107 A.Visokosov3rd prize 64-Shakhmatnoe
obozrenie 1999
ele6 0104.12 4/4 DrawNo 13106 N.Tkacheiiko(Odessa region). 1 .Ke2?Sc3+. LRb6+?Sd6.l.Sf4+Kf7/i 2.Rb7+Kg83.Rb8+Kh7 4.Rb7+Kh65.Rb6+Kg5 6.Rg6+/iiIOcf4 7.Rg4+Kxf3 8.Rh4Sf2 9.Rxh2, and it's adraw.i) Kf5 2.fxe4+. Ke5 2.Ke2Sc3+3.Kxe3 Sxbl 4.Sd3+and5.Sf2.ii) 6.Rb5+? Kxf4 7.Rh5Sf2 8.Rh4+ Kg3 9.Rxh2Kxf3, and White falls preyto areci-zug."Yes, the zugzwang is dueto the computer, but lookwhat use is made of it: thepieces flutter likebutterflies over the boardlifting it into the air.. .•"••
h6a5 0053.13 4/6 Win.No 13107 A.Visokosov.1 .Be6/i Ka4 2.Bb2 Bb33.Bf7zzSe7 4.Be8+Ka55JBf6Sg8+(Sxg6;Bd8mate) 6.Kg7(Kg5) Sxf67.Kxf6 Bc2 8.g7 Bh79.Bg6Bg8 10.Bf7Bh7ll.Kg5 wins.i) I.g7? shuts in wBh8, butmoving the latter insteaddoesn't work: l.Bb2?Kb52.Bf7Bc4 3.g7Se7.Trysomething else: l.Bf7?Ka4(forKa3;)2.Bb2Bb3,and White is in zugzwang,the demonstration being:3.Kg5Sc7 4.Bxb3+Kxb35.Bf6Se8,or3.g7Se74.Be8+Ka5 5.Bf6Sg8+6.Kg6 Bc2+7.Kg5 Kb68.Bf7Bh7,or3.Kh7Se74.Be8+Ka5 5.Bf6Bg8+6.Kg7b3.or3.Be6Se74.Bd7+Ka5 5.Bf6Sg8+6.Kg7 Sxf6 7.Kxf6 Bc48.Be6Bxe6 9.Kxe6b3.Draws everywhere oneturns. And all because it'snot Black's move....
"The tourney's sublest -but not most analytical -study. Highly original andwith top class technique."
Kxc3 20.Sf7Kd4 21.Sxh6Ke5, orl8.Sf5g4 19.Kb3b5 and a7-a5."The 80-year-oldsometime world championcontinues to regale us withhis output."
No 13109 A.Stavrietskyspecial pr 64-Shakhmatnoe
obozrenie 1999
m• m.
iy/ M.y/ m,y/ m,y/
a3g8 4801.04 5/8 WinNo 13109 A.Stavrietsky(Tambov). LQa2+Kh82.Sf7+Kg8 3.Sd6+Kh84.Rb8Qxb8 5.Sf7+Kg86.Sd8+ Kh8 7.Re8+ Rxe88.Sf7+Kg8 9.Sh6+Kh810.Qg8+Rxg8 ll.Sf7mate.[The correction was theaddition of bPf6, withoutwhich 3.Rf4 is a cook.]"A fresh look at an ideathat is as old as the hills."
This formal internationaltourney celebrating 225years of the Ukrainianmining town had as themea paradoxical move.The closing date was14x2000, the award waspublished in Mistetskyshakhi (Ukraine), editorAnatoly Svetil'sky,planned (per Infoblatt 27)for 14xii2000 [sic!].Viktor Sizonenko judgedthis tourney of which only5 prize-winners known tohave been published.Judge's report/AJRremarks: no technical
report, but a prize fund of90 US dollars ismentioned, split 1, 2, 3:$22.50, 13.50 and 9. Thiscould be a Ukrainian'first1!
No 13120 M.Roxlau1st pr Krivoi Rog - 225AT
hlg8 3144.45 8/9 WinNo 13120 Michael Roxlau(Germany). White isthreatened not just withblQ+;, and Qal+;, butQgl+;. l.Be5+/i Bg72.Rxg7+ Kh8 3.Rxf7+Kg8 4.Rg7+ Kh8 -5,Bxb2Sd4 6.Rg2 d5 7.Rg6 (Rg7?Qa4;) hxg6 8.fxg6 Kg89.h7+/ii Kg7 10.h5/iii Kh8ll.Sc7 Qb6 12.Sb5(Se6)wins.i) Why just this square? Sothat, later on, if bK playsto fi8, the reply Bd6+ winsat once, seeing that the d7flight is blocked,ii). 9.Sc7? Qxc7 10.h7+Kg7 ll.Bxd4+ Kxg612.h8Q Qcl+ 13.Kxh2Qc2+ 14.Kg3 Qd3+15.Kg2 Qe2+ 16.Kh3
when bP cannot be heldup.iii) 7.Qe3+? Kh5 8.Qe2+Kh6 9.Qd2+ Kg6 10.Qd6+Kh5 wins.iv) 7.Qf5+? Kg7 8.Qg5+Kf8 9.Qf4+ Qf6 wins,v) Ke6 8.Qf5+ Kd69.Qd5+ Kc7 10.Qc5+ Kd81 l.Qd5+, placing Black onthe horns of a lose-the-pawn-or-concede-perpetual-check dilemma."The winning study is inthe highest traditions ofTroitzky and Kubbel."
a5c8 0174.00 4/4 Win.No 13127 Pietro Rossi(Italy). l.Sb6+/i Kc72.Re7+ Kd6 3.Rd7+ Kc64.Sxc4 Bc7+ 5.Ka4 Sc5+6.Kb4 Sxd7 7.Bf3 mate,i) l.Re8+? Kc7 2.Re2 Se53.Rc2 Sxg4 4.Rxc4+ Kxd75.Rxf4 Se5 draw."Good play leads to abeautiful finale, wellknown as it is."
574
No 13128 B.Sidorov2nd honourable mention
Shakhmatnaya poezia, 2000
e2gl 0000.33 4/4 BTM, WinNo 13128 Boris Sidorov(Krasnodarsk province).I...h2 2.h8Q hlQ 3.Qd4+Kh2/i4.Qd6+Kgl5.Qb6+Kh2 6.Qh6+ Kgl 7.Qe3+Kh2 8.Qf4+ Kgl9.Qf2+Kh2 10.g4+ Kh3 Il.gxf5Kg4 12.f6wins.i) Kxg2 4.Qf2+ Kh35.Qxf5+ Kg3 6.Qg5+ Kh37.Qh5+wins."The creation of a P-battery on the second rankallows White not only towin bPf5 but also to set uphis own passed pawn."
No 13129 Viktor Kalyagin(Ekaterinburg). l.Re8/iBd4 2.Kg5 Be4 3.Kf4/iiBe3+ 4.Ke5 Bgl/iii 5.Rh8Kd3 6.Rh3+ Be3 7.Rh7Bf2/iv 8.Kf4/v Be3+9.Ke5 Bf2 10.Kf4,positional draw,i) l.Rgl? Be4 2.Kg5 Ke23.Kf4 Bc3 4.Rg3 Bd2+5.Ke5 f4, with a win forBlack.
ii)3.Rf8?Be3+4.Kf6Bc55.Rf7 f4 6.Ke5 Ke37.Rxf4Bd4+wins.iii) Bh6 5.Rg8 Kd36.Rg3+ Be3 7.Rg8 draw.OrBb6 5.Rf8 Bc7+6.Ke6f4 7.Kd7 Be5 8.Ke6 Bc79.Kd7, another positionaldraw.iv) AJR, who has workedwith this material, istickled by the possibilitiesof: Bg2 8.Rf7/vi Bh39.Rxf5 Bd4+ 10.Kf4 Be3+ll.Ke5. [cf:EG735.11368.]v) 8.Rh3+? Kc4 9.Kf4Kd410.Rli5Be3+wins.vi) 8.Rg7? Bd4+, or8.ICxf5? Be4+."New nuances on thefamiliar territory of Rfighting against BB+P."
No 13129 V.Kalyagin3rd honourable mention
Shakhmatnaya poezia, 2000
No 13130 E.Kudelichcommendation
Shakhmatnaya poezia, 2000
elb3 0140.13 4/5 DrawNo 13130 E.Kudelich(Tyumen region). 1 .Bd5+Ka3 2.Bxa2 ICxa2 3.0-0Bel 4.Ri2 Be3 5.Khl Kb36.Rxb2+ Kxb2 stalemate."Simple enough shortie,tarted up with the castlingoddity."
No 13131 M.Campiolicommendation
Shakhmatnaya poezia, 2000
h6d2 0160.01 2/4 Draw.c3g3 0331.31 5/4 Win
No 13131 Marco Campioli(Italy). I.el e2 2.Sd3elQ+3.Sxel Bxel+4.Kd3Rd2+ 5.Ke3 Rdl 6.Ke2Bb4 7.Kxdl Bxe7 8.a5
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Kf4 9.a6 Bc5 lO.d6 Ke5Il.d7wins."Black, having succeededin neutralising theadvanced passed pawn,finds himself unable tocarry out the two-birds-with-one-stone drawingidea."
No 13132 E.Kudelichcommendation
Shakhmatnayapoezia, 2000
e7g8 0010.44 6/5 WinNo 13132 E.Kudelich(Tyumen region). 1 .h7+Kxg7 2.h8Q+ Kxh83.Kxf7 clQ 4.Bf6+ Kh75.g6+ Kh6 6.g5+ Qxg57.Bg7mate."Mate with a bishop in thepresence of a threateningbQ is always something."I Match West Russia vs.East Russia
This match was judged byVazha Neidze (Georgia).The provisional award waspublished in Shakhmatnayakompozitsia No.20magazine. Theconfirmation period:
comments to the teamcaptains (Barsukov in StPetersburg, Zholtonozhkoin Ekaterinburg) by31iii98.Remarks: The geographicalwatershed was the Uralsmountain range. "TheWestern contingentsuffered almost totalwipe-out in the section forstudies - only one studysurviving the hatchet jobdone on the others byV.Vinichenko, while acorrespondingcounter-attack from theWest has not materialised."
No 13133 V.Vinichenko andV.Kazantsev (East)
1st place Match WestRussia vs. East Russia
i) l.Bdl? Qbl+ 2.Kxblstalemate with knightpinned.ii) Qc2 2.Bxb5+ Kxb53.Sxb3 Qdl 4.Sd4+ Kc45.b3+ Kxc3 6.d8Q wins,iii) Try 4.d8Q? Qa7+5.Kbl Qa2+ 6.Kcl Qxb27.Kdl Qal+ 8.Kd2 Qxc3+9.Kdl Qal+, perpetualcheck.iv) Try 5.d8Q? Qbl+6.Kxbl stalemate,v) Black tries his hand at aperpetual once more. Toput a stop to this White isgoing to block either thea-file or the cl-h6 diagonal,vi) 7.Qa5? Qd4. and8.Qc7+ Kxb4+ 9.Ka2Qb2+ 10.Kxb2 stalemate,or 8.Qa2 Qxdl+ 9.QblQd2 10.f7 Qf2 ll.f8QQa7+ 12.Qa2 Qgl+perpetual check. - 12!/2pts
Qh4+ (Qxe8 stalemate)7.Kg6 Qg4+ 8.Kf6 draw,i) Not falling for 8.Kf8?Qa3+ 9.Kg8 Qg3+. - W/2
pts
577
No 13138 V.Kalashnikov6th place Match West Russia
vs. East Russia
• 1
tm,v m \
d6a8 0033.64 7/7 DrawNo 13138 V.Kalashnikov(East) Lc7 Kb7 2.Kd7Ba4+ 3x6+ Bxc6+ 4.Kd8Bd7 (Se7;c8Q+) 5.Kxd7Se7 6.Kxe7 Kxc7 7.Kf8/iKd7 8.Kg7(Kg8) Ke79.Kxh7 Kf8 10.Kh8 f5Il.h7 f4 12.h6 f3 13.h5 £2/14.h4 flQ stalemate, or14...Ke7 15.Kg8 flQ16.h8Q, the f7 square beingblocked by the pawn there,i) The try: 7.Kxf6? Kd68.Kg7 Ke7 9.Kxh7 Kf8.10.Kh8 £5 11.h7 f4 12.h6f3 13.h5 £2 14.h4 Ke715.Kg7 flQ 16.h8Q Qf7mate. And not merelycheckmate but an epaulettemate with a pair of activeselfblocks. - lOpts
II Ail-Russian East-Westmatch
This tourney was restrictedto Russian composers anddepending on which side
of the Urals they live. Settheme: In a study to win ordraw the white king takesa prominent part in theconstruction of a positionof domination.The award was publishedin Shakhmatnayakompozitsia 37 (on sale8xi2000)Judge Vazha Neidzestrictly followed the'Georgian' interpretation of'domination',distinguishing it from'capture'. A number ofsubmissions - some byleading composers - wereexcluded on this basis.
ii) Se6 8.Bc7. Rc8 8.e7Kg7 9.Bb7Re8 10.Kc6."Fully dynamic.Unexpected dash by wK.All in all, astounding. Adomination in the full andreal sense of the term, inwhich bR is denied the full14-square range of hiscross, and always for justone reason. No question,the match's best. 14points."
Bxd5 5.Kb2domination - Ra2+ 6.KblRa3 7.Kb2 Ra2+ 8.KblKgl 9.Be4 Be6 10.Bf5Bf7 ll.Bg6 Bg8 12.Bh7,drawing, for if a3 13.Bxg8Rb2+ 14.Kal, a positionthat Averbakh tells us is adraw. "Both parallel and
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serial domination arecombined here, woven inwith positional andtheoretical draws.Interesting and original.An enrichment of the fundof rook-ensnaring studies."
No 13141 V.Vinichenko=3rd/4th place II All-Russian
East-West match
impression and once moreshows us the composer'simaginative talent. 11.5points."
No 13142 N.Ryabinin=3rd/4th place II All-Russian
East-West match
No 13143 V.Kovalenko5th place II All-Russian
East-West match
g4g7 3317.52 8/7 DrawNo 13141 V.Vinichenko(East). Lf6+ Kh8/i2.d8Q+ Qg8+ 3.Qxg8+Kxg8 4.cxb7 Sxe5+/ii5.Kg5 Rg6+ 6.Kf5 Sd77.Bxf7+ Kxf7 8.Sg4 Sa69.b8Q aSxb8 10.b5 draw,i) Rxf6 2.exf6+ Kh63.Sf5+ Kg6 4.Sh4+ Kh65.Sf5+.ii) Sa6 5.e6 fxe6 6.Bxe6+Kf8 7.Bc4 dSxb4 8.Sd5draw."Domination in a positionof reciprocal zugzwang.""The forcing lead-in playtakes us to an involvedcompact final positionwhere there is dominationof both R and S. The reci-zug reinforces the
3.Bxc2 Bd4+ 4.Bxd4Rxa6+ 5.Kb2 Rd6 6.Bb3+Kh8 7.Se5 Rxd4 8.Kc3Re4 9.Sf7+.i) Sb5 3.Bb6 Rc8 4.Ba7Ra8 5.Bd3 Sa7 6.Bg6 Kg87.Be4. Or Sc6 3.Bb6 Rc84.Ba7 Ra8 5.Rc6. Whitewins."Midboard symmetryallows bR to be dominatedtwice by the trio of wB,wS and an aggressive wK.11.5 points."
g4e5 0130.13 3/5 WinNo 13143 V.Kovalenko(East). LRel+Kd6/i2.e7blQ 3.e8S+ Kd7 4.RxblKxe8 5.Rb8+/ii Kf7 6.Rh8Bg8 7.Kg5/iii Kf8 8.Kxg6Ke7 9.Rxg8 wins,i) Kf6 2.e7 blQ 3.e8S+Kf7 4.Sd6+and5.Rxbl.ii) 5.Rhl?Bg8 6.Rh8Kf87.Kg5 Kf7, and White haslanded himself inzugzwang pickle,iii) "Domination in aposition of reciprocalzugzwang.""Sparkling cameo showinga deep treatment of asimple domination wherewK plays an importantrole - without 7.Kg5 andits blocking function thesystem would collapse.10.5 points."
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No 13144 Yu.Bazlov,V.Vinichenko, V.Kovalenko
6th place II AU-RussianEast-West match
No 13145 A.Malyshev7th place II AU-Russian
East-West match
a5b8 0610.42 6/5+.No 13144 Yu.Bazlov,V.Vinichenko,V.Kovalenko (East).l.Be5+ Ka7 2.Bd4+ KM3.Kb6 Rxa6+ 4.Kxa6Rxc6+ 5.Kb5 Rxh6 6.Bg7- the domination - Rd6(Rh7;f6) 7.Be5 Kc78.Kc5, winning."There is less dynamismhere, with pawns f5 and h5already in place miningcertain squares andlessening the impression.8.5 points"
No 13145 A.Malyshev(West). l.Ke3?Kfl 2.Bf2Sc2+ 3.Kf3 glQ+. l.Sh4Sc2+ 2.Kd3 Sxel+ 3.Ke2Kh2 4.Sxg2 Sxg2 5.Kf2Kh3 6.Kgl and 7.Kxhl,drawing."The forcing play in alimited section of thechessboard gives place toa 'little' domination of bS.8 points."
d4gl 0044.11 4/4 Draw
No 13146 A.Stepanov8th place II All-Russian
East-West match
f6g8 0310.21 4/3 WinNo 13146 A.Stepanov(West). I.a7 Rd8 2.Ke7Rc8 3.Bb7 Rf8 4.h5 f5/i5.Bd5+Kg7 6.h6+wins.i) Kg7 5.h6+ Kg8 6.h7+Kg7 7.h8Q+ Rxh8 8.Kd7and9.Bc8."Not much originalityhere, either in the finale orthe play. 7.5 points."
In the studies section thescore was: East - 42.5,West-41.
ARTICLESeditor: John Roycrofl
63 studies by Albert vanTets, part II
T22 Albert van TetsPretoria News 14ivl981
c8a7 0002.22 5/3 WinI.e7/i cxdlQ/ii 2.b6+/iiiKa8/iv3.e8S/vQc2+/vi4.Sc7+Qxc7+5.bxc7wins.i)l.b6+?Ka8 2.e7clQ+3.Kd8Qc8+andstalemate.ii)clQ+2.Kd8Qg5 3.Sc3b6 4.Se4, ready to play tof6. White wins.iii)2.e8Q?Qcl+3.Kd8Qg5+4.Kc7Qcl+,andtoavoid perpetual check ispossible only at the cost oftheb-pawn. Or2.Kd8?Qcl3.b6+Ka8 4.e8QQc8+.iv) Maintaining thestalemate defence.
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v)3.e8Q?Qh5 4.Qd8Qc5+ 5.Qc7 Qf8+ draw,vi) Qxd7+ 4.Kxd7 Kb8,with a book win for White:5.Sf6Ka8 6.Sd5Kb87.Sb4 Ka8 and 8.Sa6 or8.Sc6.The newspaper's columneditor was PeterBillingham.
e8d5 0044.23 5/6 Draw.Lf6/ih2(g5;Sf3)2.g5hlQ3.Bh63andKxd44.Kf8! draw3orQxh64.gxh6 g5 5.Kf8. Thecomposer draws attentionto this being a variation ofa 1933 position due toKazantsev.i)l.Sf3?gxf5 2.gxf5Ke4wins.
T25 Albert van TetsNdaba'Chessnuts'6xi 1981A.Kastrikis vs. A.van Tets,Northern Transvaal 'Open'
1981
l...Rf2+/i2.Ke3/iiRf63.Re7(e7,Rxf7;)Kd64.Re8 Rxe6+, when Blackwins.i)l...Kd6?2.e7Rxf73.e8Q, and Rxe8 4.Rxf7,or Rf2+ 4.Ke3, drawing.H)2.Kcl(Kc3)Kd6 3.e7Rxf7 4.e8Q (e8S+,Ke6;)Rf+ and 5...RxQ.
T26 Albert van Tets26iiil982
hi g5 0000.21 3/2 Winl.Kgl (Kg2?Kg4;)Kf52.Kfl Ke5 3.Kel Kd54.KdlKc5/i5.Ke2/iib36.a3 wins.i)b3 5.axb3, andnot5.a3?Ke5 6.Kel Kd5 7.Kf2 Kd4draw.ii)5.Kcl?Kc4 6.Kc2b3+7.axb3 Kb4 draw.Karl Week, a Swiss friendof van Tets', had come upwith:alc5 0000.20 .b2b3 3/1+.LKbl!Kb5 2.Kcl!Kc53.Kd2Kb4 4.Kc2.
d2c6 0700.21 4/4 BTM Win"How did Black, to move,force a win?"
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T27 Albert van Tets25vil982
h4g6 0045.11 5/4 Winl.Kg4Bxg8 2.Se5+Kh73.g6+Kh8 4.Sf7+Bxf75.gxf7 Sf55 and now what?6.Kxf5?b2 7.Kf6blQsurvives, but 6.Kg5! b27.Bh6blQ8.f8Q+Kh79.Qf7+Kh8 10.Qf6+K-ll.Qg6+Kh8 12.Bg7+Kg8 (Sxg7;Qxbl), andWhite wins with 13 .Bd4+(also Bb2+) Kf8 l4.Bc5+Se7, and 15.Qxbl or15.Bxe7+. This solutionmay not have beenpublished heretofore.~ T28 Albert van Tets
c4d7 0030.31 4/3 DrawLb6axb6 2.a7(Kb5?Ba7;)Bxa7 3.Kb5Kc74.Ka6Bb8(orKb8)5.b5draw.Composing date:23xii2000.[There was no solutionwith wPP a65b2,b5, whichwas the position published18il985. There issimilarity to the study of6xiil985.]
g3h5 0410.11 4/3 Winl.Bg7/iRxg7(g5;f5)2.Rdl and mate follows g53.f5g4 4.Kf4.i)l.Bg5?Rb3 2.Rf3Rxf3+ 3.Kxf3 stalemate.Orl.Bf8?g5 2.Rd5(f55Rf7;) Rb3+draws,3.Kh2Kg4 4.fxg5Rh3+5.Kg2 Rg3+6.Kf2 Rf3+7.Ke2Rxf8andtheremaining pawn will soonfall.
SNIPPET(S)
*C* GBR class 1006
Evaluation of this classic5-man pawnless ending(queen against twoknights) continues to elude- and to tantalise. Thereare many wins and manydraws, but how can the
584
two be distinguished? Norule-of-thumb is withoutits exceptions. Suppose weaver that with bKbSS in acornerbased compactbunch, and wK on theopposite side of the board,and Black to move not incheck, it's going to be adraw. We put this to thecomputer and, no problem- it supplies a counter-example.
*C*R1
R2
h8bl-1006.00 a8a2b2 2/3+.WTM: winBTM:draw
White not only wins RlWTM but has severaladequate moves to choosefrom. BTM draws byplaying his a2 knight to b4or to c3. So - we make aminor adjustment - R2.
h7bl 1006.00 a8a2b2 2/3+.WTM: winBTM: drawThis is the same result asRl, except that BTMdraws only by Sa2-c3 *.Starting wK on h7 insteadof a8 allows a refutation ofSa2-b4. Let's make afurther minor adjustment -R3.
*C* R3
Your editor-in-chief isworking on GBR class1006 from time to time.This space may be worthwatching.
AJR
Edmar John Mednisb.l937d.2002. TheAmerican otb IGM was aprolificwriter on all phases of thegame. Despite his manyendgame articles,including several on theclass 4000.10, he neversubscribed to EG.
h6bl 1006.00 a8a2b2 2/3+.WTM/BTM: White wins
And in R3 BTM doesn'tdraw at all: now wKh6rules out Sa2-c3; too!
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SPOTLIGHTeditor: Jiirgen Fleck
This time Spotlight's contributors were Mario Garcia (Argentina), Guy Haworth(England), Alain Pallier (France), Alberto Rodriguez (Argentina), Michael Roxlau(Germany) and Timothy Whitworth (England).
140.B8 p320. The diagram erroneously duplicates B7. The correct position is a2b70003.21 a6.b3c2c3 3/3=14O.p324. Z8.2 is no reciprocal zugzwang, as the Black king can oscillate between g5and h4. Note that this does not affect the soundness of Bl 1, whose notes refer to Z8.2.142.M7 p456, A. and S.Manyakhin (also 108.8768). Spotlight in EG 143 mentioneda complete anticipation, but failed to correctly identify the origin of that idea. APsubmitted a long list of studies that anticipate each other, and at the very beginning wefind G.Nadareishvili, Etyudeby 1965, b.5f7 0303.52 ala6.a7c3c4c6f5c5e6 6/5+, l.Kb6Sc7 2.Kxc7 Rxa7+ (the study is cooked here by 2... exf5 3.Kb7 Rbl+ 4.Kc8 Raldraws) 3.Kb8 Re7 4.rxe6+ Kxe6 5x7 and now 5... Kd6 6x8S+! and 5... Re8+ 6x8R!.Even earlier there is Peckover (Szachy 1957, 1st prize), which, however, has no rookpromotion. A sound setting with a very natural initial position is Van Wijgerden's102.8193.143.12082, Sh.Tsurtsumia, R.Tsurtsumia. No solution: 3...Qf2 4.c8Q (4x8R Ka3)Qd4+ and now 5.Kcl Qc3+ 6.Qxc3 stalemate or 5.Kc2 Qc5+ 6.Qxc5 stalemate.143.12083, V.Kalandadze. A dual: 2.Ka7 hlQ 3!g8Q+ Qg2 4.Qd8 with a winningattack, eg. 4... Qe4 5.Rg7+ Kf2 6Qf8+ or 4... Rfl 5.Qd4+ Rf2 6.Rg7.143.12090, M.Gogberashvili. The intended solution fails: 11... Rd6 12.Sg5+ (12.Sf8Ra6) Kg6 13.Sf7 Re6 wins for Black. However, white draws by 4.e7+ Kf7 5.g6+ Kxf66.e8Q Qb7 7.Qf8+ Kxg6 (so far given in the notes) 8.Qf7+. Furthermore, it seems that8.f8Q also draws. There are the immediate threats Qf7+ and Qg7+, so the Black queenmust retreat to b6 or d3, but then White starts checking with 9.Qg7+. As soon as hehas driven the black king out of the area d8/d4/h4/h8 White can safely capture therook and draw with the h-pawn.143.12092, V.Neidze. No solution: 3...Rfl+ 4.Kxb2 Rbl+ 5.Kxbl Qxc3 with atechnical win for Black.143.12095, V.Kartvelishvili. A dual, indicated by the 5-man-database: 4.Sd3+ Kc35.Sf4Kb3 6.Se2draw.143.12096, V.Gavashelashvili. No solution, Black wins by 2... Bb2+ 3.Kd3 (3.Kxb2Sc4+ and ... Sd6) Le4+ 4.Kxe4 Sc4. It seems to me that even 2... c5 should win forBlack.143.13006, E.Dvizov, A.Foguelman. No solution, 1... clQ wins for Black. The,attempt to save this by, say, adding a black Ph6 would permit the dual 5.Rxf2 clQ6.Sc5 Qfl 7.Rb8.
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143.13008, E.Dvizov. Unsound, White even wins by 5.Be5.143.13011, V.Zhuk, V.Tupik. A dual: l.Kb2+ Kb5 2x4+ Kc6 (2... Kb6 3.Ra4) 3.Ra5and White is not worse.143.13023, RCaputa. A dual: 12.Rf5+ Qxf5 13.Qg4+ and stalemate.143.T8 p519, A. van Tets. No solution, Black wins by 1... Kf5 2.Kd3 Kf4 3.Ke2 Kg34.Kfl Sd2+ 5.Ke2 Kg2, as confirmed by the 5-man-database.143.T12 p520, A. van Tets. According to the 5-man-database there are many duals atWhite's 3rd move: 3.Ra2/d2/f3/f6/f7/f8 and 3.Ke2 all win. I leave it to the reader tofigure out why 3.Ra2 wins while 3.Rb2 does not.
GBR code (after Guy/Blandford/Roycroft) concisely denotes chessboard force in at most6 digits. Examples: two white knights and one black pawn codes into 0002.01; wQ bQwR codes as 4100; wBB vs bN codes as 0023; the full complement of 32 chessmencodes as 4888.88. The key to encoding is to compute the sum xl-for-W-and-3-for-BV foreach piece type in QRBN sequence, with white pawns and black pawns uncoded fol-lowing the 'decimal point'. The key for decoding is to.divide each QRBN digit by 3,when the quotient and remainder are in each of the 4 cases the numbers of Bl and Wpieces respectively.The GBR code permits unique sequencing, which, together with the fact that a computersort of several thousand codes and the reference attached to each is a matter of a secondor two, enormously facilitates the construction of look-up directories.A consequence of the foregoing is the code's greatest overall advantage: itsuser-friendliness. The GBR code has the unique characteristic of equally suiting humansand computers. No special skill or translation process is required whether the code isencountered on a computer printout or whether it is to be created (for any purpose,including input to a computer) from a chess diagram.A natural extension of the GBR code is to use it to represent a complete position. A goodconvention is to precede the GBR code with the squares of the kings, and follow thecode with the squares of the pieces, in W-before-Bl within code digit sequence,preserving the 'decimal point' to separate the pieces from the pawns, if any (where all Wpawns precede all Bl).The 223-move optimal play solution position in the endgame wR wB bN bN would berepresented: a7d3 0116.00 b2b3c6d6 3/3+. The '3/3' is a control indicating 3 W and 3 Blmen, with '+' meaning W wins, while '=' would mean White draws. The win/drawindicators are optional. Note that although in this example there are no pawns the GBRcode decimal point and immediately following pair of zeroes are obligatory (enabling ascan of a text file searching for encoded chess positions) but the absence of a decimalpoint in the list of squares confirms that there are no pawns. A position with pawns butno pieces would be coded in this manner: a2c4 0000.32 .d4e3f2e4f3 4/3 WTM. To in-dicate Black to move (but still with the implied win or draw for White) it is suggestedthat '-+' and '-=' be employed. Where the position result is unknown or undecided orunknowable it is suggested that the computer chess convention 'WTM' (White to move)and 'BTM' be followed. The redundancy check piece-count (including the V separator)and terminating full stop are both obligatory.
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Contents:
Editorial Board and Subscription 542Originals column 14 by Noam Elkies 543Diagrams and Solutions
EuwelOOMT 544-552K.K.- Sukharev 90 JT 552-555StrateGems 1998-1999 555-559ROCHADE EUROPA 1996-1997 559-563Israel Ring Tourney 1995-1996 563-56864-Shakhmatnoeobozrenie-1999 568-572Krivoi Rog 225 AT 572-573Shakhmatnaya poezia 2000 573-576I Match West vs. East Russia 576-578II All-Russian East-West Match 578-580
Articles63 studies by Albert van Tets, part II 580-584
Snippets 584-585Spotlight by Jurgen Fleck 585-586GBR Code 587Contents 588