Chess Puzzles 1901-2000 Mate in Two White to Move L´ aszl´oPolg´ ar
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Chess Puzzles1901-2000
Mate in TwoWhite to Move
Laszlo Polgar
Links
1901 1902 1903 1904 1905 1906 1907 1908 1909 19101911 1912 1913 1914 1915 1916 1917 1918 1919 19201921 1922 1923 1924 1925 1926 1927 1928 1929 19301931 1932 1933 1934 1935 1936 1937 1938 1939 19401941 1942 1943 1944 1945 1946 1947 1948 1949 19501951 1952 1953 1954 1955 1956 1957 1958 1959 19601961 1962 1963 1964 1965 1966 1967 1968 1969 19701971 1972 1973 1974 1975 1976 1977 1978 1979 19801981 1982 1983 1984 1985 1986 1987 1988 1989 19901991 1992 1993 1994 1995 1996 1997 1998 1999 2000
1901
8
7
6
5
4
3
2
1
0Z0Z0Z0Sj0ZPZ0Z00Z0Z0Z0OZ0M0Z0J00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
J. Haring, 1968
1901
8
7
6
5
4
3
2
1
0Z0A0Z0Sj0Z0Z0Z00Z0Z0Z0OZ0M0Z0J00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
pd8(B), Ka8 or Kb8Bb6
1902
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0ZQZ0ZZ0j0Z0Z0KZ0Z0ZRlZ0Z0O0Z00Z0Z0A0ZZ0Z0Z0Z0
a b c d e f g h
J. Haring, 1955
1902
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0ZQZ0ZZ0j0Z0Z0KZ0Z0S0lZ0Z0O0Z00Z0Z0A0ZZ0Z0Z0Z0
a b c d e f g h
Rf4If QXf4+, pXf4. If Qg4, pe4.Otherwise, Rc4.
1903
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0ZKZ0Z00Z0Z0Z0ZZ0MkM0Z00Z0a0Z0ZZ0ZQZ0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
H. Hartogh, 1881
1903
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0ZKZ0Z00Z0Z0Z0ZZ0MkM0Z00Z0a0Z0ZZ0Z0Z0Z00Z0L0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qd2If KXc5, Qa5. If KXe5, Qg5.
1904
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00ZBZ0Z0ZZ0Z0Z0Z00Z0Z0J0ZZ0Z0Z0ZpQZ0Z0A0jZ0Z0ZrZ0
a b c d e f g h
J. Hartong, 1949
1904
8
7
6
5
4
3
2
1
0Z0Z0Z0ZL0Z0Z0Z00ZBZ0Z0ZZ0Z0Z0Z00Z0Z0J0ZZ0Z0Z0Zp0Z0Z0A0jZ0Z0ZrZ0
a b c d e f g h
Qa7If RXf2, QXf2. If Rg1, BXg1.Otherwise, Bg3.
1905
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00J0ZkZ0ZZQZNZ0Z00Z0Z0ZRZZ0Z0Z0ZB0Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
J. Hartong, 1965
1905
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00J0ZkZ0ZZ0ZNZ0Z00L0Z0ZRZZ0Z0Z0ZB0Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qb4If KXd5 or Ke5, Rg5. If Kd7, Rg8. If Kf7, Qe7. If Kf5, Qe4.
1906
8
7
6
5
4
3
2
1
0Z0ZkZ0ZZ0ZpOpZ00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0S0Z00Z0ZKZ0ZZ0Z0L0Z0
a b c d e f g h
J. Hartong, 1942
1906
8
7
6
5
4
3
2
1
0Z0ZkZ0ZZ0ZpOpZ00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0LZ0Z0S0Z00Z0ZKZ0ZZ0Z0Z0Z0
a b c d e f g h
Qh4If pd6 or pd5, Qa4. If pf6 or pf5, Qh5.
1907
8
7
6
5
4
3
2
1
0Z0Z0j0ZZ0Z0oPo00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0ZRZ00Z0Z0J0ZZ0Z0ZQZ0
a b c d e f g h
J. Hartong, 1948
1907
8
7
6
5
4
3
2
1
0Z0Z0j0ZZ0Z0oPo00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0ZRZ00Z0Z0J0ZL0Z0Z0Z0
a b c d e f g h
Qa1If pe6 or pe5, Qa3. If pg6 or pg5, Qh8.
1908
8
7
6
5
4
3
2
1
0Z0Z0Z0sZ0Z0Z0ok0Z0Z0Z0MZ0ZQZ0Z00Z0Z0ZKZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
J. Hartong - J. Albarda, 1962
1908
8
7
6
5
4
3
2
1
0Z0Z0ZNsZ0Z0Z0ok0Z0Z0Z0ZZ0ZQZ0Z00Z0Z0ZKZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Ng8If RXg8, Qg5. If Kg6, Qf5. If pg6 or pg5, Qf7.
1909
8
7
6
5
4
3
2
1
0ZQZ0Z0JZ0Z0Z0S00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0jZ0Z0Z0Z00Z0Z0ZrsZ0Z0Z0S0
a b c d e f g h
E. M. Hassberg, 1945
1909
8
7
6
5
4
3
2
1
0Z0Z0Z0JZ0Z0Z0S00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0jZ0Z0Z0Z00ZQZ0ZrsZ0Z0Z0S0
a b c d e f g h
Qc2If RXc2, Rh7. If RXg7 or Rg5-g6, QXh2.Otherwise, Qh7.
1910
8
7
6
5
4
3
2
1
0Z0J0Z0ZL0Z0ZBZ00Z0Z0Z0ZokZ0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0M0Z0ZZ0Z0Z0Z0
a b c d e f g h
M. Havel, 1903
1910
8
7
6
5
4
3
2
1
0Z0J0Z0ZL0Z0ZBZ00Z0Z0Z0ZokZ0Z0Z00Z0Z0Z0ZZNZ0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Nb3If pa4, Qb2. If Ka4 or Kb4, QXa5. If Kc6, Qa6.
1911
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Ok0Z0Z0Z0ZZ0ZnZ0Z00ZBZ0ZNJZ0Z0Z0L00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
M. Havel, 1916
1911
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0L0Z0Ok0Z0Z0Z0ZZ0ZnZ0Z00ZBZ0ZNJZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qc7If Kg8, Nf6. If Kg6, Bd3.Otherwise, pg8(Q).
1912
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00A0Z0Z0ZZ0Z0Z0Z00ZkZ0Z0ZJ0ZbZ0SQ
a b c d e f g h
M. Havel, 1900
1912
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00A0Z0ZRZZ0Z0Z0Z00ZkZ0Z0ZJ0ZbZ0ZQ
a b c d e f g h
Rg4If Kb3, QXd1. If Kd3, Qe4. If Kc1, Rc4.Otherwise, Qb1.
1913
8
7
6
5
4
3
2
1
0Z0Z0Z0SZBZNZ0Z00Z0Z0Z0ZZ0ZrZ0Z00J0ZkZ0ZZ0Z0Z0Z00Z0Z0L0ZZ0Z0Z0Z0
a b c d e f g h
F. Healey, 1903
1913
8
7
6
5
4
3
2
1
0Z0S0Z0ZZBZNZ0Z00Z0Z0Z0ZZ0ZrZ0Z00J0ZkZ0ZZ0Z0Z0Z00Z0Z0L0ZZ0Z0Z0Z0
a b c d e f g h
Rd8,Kd4Nc5
1914
8
7
6
5
4
3
2
1
0Z0Z0Z0aZ0ZQZ0Z00Z0Z0j0ZZ0Z0Z0ZK0Z0O0Z0ZZ0Z0AnZ00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
H. Hermanson, 1958
1914
8
7
6
5
4
3
2
1
0Z0Z0Z0aZ0ZQZ0Z00Z0Z0j0ZZ0ZPZ0ZK0Z0Z0Z0ZZ0Z0AnZ00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
pd5If Ke5 or Bg7, Qe6. If Ne5, Bg5. If Nd4, BXd4.Otherwise, Bd4.
1915
8
7
6
5
4
3
2
1
0Z0Z0ZRZZ0Z0Z0Z00Z0Z0ZNJZ0Z0Z0Z00Z0Z0ZkZs0Z0Z0Z00Z0ZPL0ZZ0Z0Z0Z0
a b c d e f g h
H. Hermanson - O. Stocchi, 1929
1915
8
7
6
5
4
3
2
1
0Z0Z0ZRZZ0Z0Z0Z00Z0Z0ZNJZ0Z0Z0Z00Z0ZPZkZs0Z0Z0Z00Z0Z0L0ZZ0Z0Z0Z0
a b c d e f g h
pe4If Rh3+, Nh4. If Rg3, Qf5. If Rf3, Qh4. If Ra5-a8, Qg2.Otherwise, Nf4.
1916
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZpZ00Z0Z0ZpLZ0ZKZkZ00Z0Z0ZNZZ0Z0Z0ZP0Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
H. Hermanson, 1954
1916
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZpZ00Z0Z0ZpZZ0ZKZkZ00Z0Z0ZNZZ0Z0L0ZP0Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qe3If pf6, Nh6. If pg5, Qe4.
1917
8
7
6
5
4
3
2
1
ks0Z0Z0ZZRZ0Z0Z00Z0ZKZQZZ0Z0Z0Z00Z0Z0Z0Zo0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0ZB
a b c d e f g h
H. Hermanson, 1930
1917
8
7
6
5
4
3
2
1
ks0Z0Z0ZZRZ0Z0Z00Z0ZKZ0ZZ0Z0Z0Z00Z0Z0Z0Zo0Z0Z0Z00Z0Z0Z0ZZQZ0Z0ZB
a b c d e f g h
Qb1If RXb7, QXb7. If pa2, QXa2. If Rc8, Rc7. If Rd8, Rd7. If Re8+, Re7.If Rf8, Rf7. If Rg8, Rg7. If Rh8, Rh7.
1918
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z0ks0Z0Z0ZZNA0Z0Z00Z0Z0Z0ZJNZQZ0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
H. Hermanson, 1957
1918
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z0ks0Z0Z0ZZNA0Z0Z00Z0ZQZ0ZJNZ0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qe4if KXb5 or Rb7, Qa4. If RXb5, Qa8. If Rc6, QXc6.Otherwise, Nc7.
1919
8
7
6
5
4
3
2
1
0Z0ZrZ0jLRZ0o0o00Z0Z0ZKZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Z. Hernitz, 1971
1919
8
7
6
5
4
3
2
1
0L0ZrZ0jZRZ0o0o00Z0Z0ZKZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qb8If RXb8, RXb8. If Rg8, Qh2.Otherwise, QXR.
1920
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0L0Z00Z0Z0Z0ZZ0Z0ZkZ00Z0Z0Z0ZZ0J0ZNoN0Z0Z0ZRZZ0Z0Z0Z0
a b c d e f g h
E. Hinkka, 1961
1920
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZQZ00Z0Z0Z0ZZ0Z0ZkZ00Z0Z0Z0ZZ0J0ZNoN0Z0Z0ZRZZ0Z0Z0Z0
a b c d e f g h
Qf7+
If Ke4, Re2. If Kg4, Nf2.
1921
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0ZpZ00Z0Z0mpoZ0Z0Z0Zk0Z0Z0Z0ZZ0Z0L0ZK
a b c d e f g h
E. Hinkka, 1966
1921
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0LpZ00Z0Z0mpoZ0Z0Z0Zk0Z0Z0Z0ZZ0Z0Z0ZK
a b c d e f g h
Qe5If Kg3, Qe3. If pg3, QXf5.Otherwise, Qh2.
1922
8
7
6
5
4
3
2
1
RZ0Z0Z0ZZpZ0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0PZKZ0Z0Zj0Z0Z0Z00ZRZ0Z0ZZ0Z0Z0Z0
a b c d e f g h
D. Hjelle, 1956
1922
8
7
6
5
4
3
2
1
RZ0Z0Z0ZZpZ0Z0Z00Z0Z0Z0ZO0Z0Z0Z00ZKZ0Z0Zj0Z0Z0Z00ZRZ0Z0ZZ0Z0Z0Z0
a b c d e f g h
pa5If Ka4, Ra2. If pb6 or pb5, pXb6.
1923
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0o0Z00Z0Z0S0ZZ0oko0Z00Z0Z0ZQZZ0Z0Z0Z00Z0J0Z0ZZ0Z0Z0Z0
a b c d e f g h
D. Hjelle, 1957
1923
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0o0Z00Z0Z0S0ZZ0oko0Z00Z0Z0ZQZZ0ZKZ0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Kd3If pXf6, Qd7. If pe6, QXe6. If pc4+, QXc4. If pe4+, QXe4.
1924
8
7
6
5
4
3
2
1
0Z0Z0ZkZs0Z0Z0Z00a0Z0LKZZ0ZNZ0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
N. Høeg, 1937
1924
8
7
6
5
4
3
2
1
0Z0Z0ZkZs0M0Z0Z00a0Z0LKZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Nc7If RXc7 or Bd4, Qd8.Otherwise, Qg7.
1925
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZKZ00Z0Z0Z0oZ0ZBZ0Z00Z0Z0OkZZ0ZPZ0Z00Z0Z0Z0LZ0Z0Z0Z0
a b c d e f g h
N. Høeg, 1907
1925
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZKZ00Z0Z0Z0oZ0ZBZ0Z00Z0Z0OkZZ0ZPZ0Z00Z0Z0L0ZZ0Z0Z0Z0
a b c d e f g h
Qf2If Kf5 or Kh3 or ph5, Be6. If Kh5, Bf3.
1926
8
7
6
5
4
3
2
1
0Z0Z0Z0ZO0O0Z0Z00Z0Z0Z0Zj0Z0Z0Z00ZKZ0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
N. Høeg, 1926
1926
8
7
6
5
4
3
2
1
0ZNZ0Z0ZO0Z0Z0Z00Z0Z0Z0Zj0Z0Z0Z00ZKZ0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
pc8(N), Kh4 or Kh6pa8(Q)
1927
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0j0Z00O0Z0Z0JZ0Z0Z0ZQ0S0Z0Z0ZZ0Z0Z0ZB0A0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
W. Hoek, 1970
1927
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0j0Z00O0Z0Z0JZ0Z0Z0ZQ0S0Z0Z0ZA0Z0Z0ZB0Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Ba3If Kd6, Rc4. If Kd8, Rd4. If Kf8, Rg4. If Kf6, Rf4.
1928
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0ZQZZNZbj0Z00Z0S0Z0ZZ0J0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
W. Hoek, 1972
1928
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0M0Z0Z00Z0Z0ZQZZ0Zbj0Z00Z0S0Z0ZZ0J0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Nc7If Be4, RXe4. If Be6, QXe6.Otherwise, Qg5.
1929
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZKZQZ0Z00ZBZ0j0ZS0Z0Z0Z00Z0Z0O0ZZ0m0Z0Z0
a b c d e f g h
W. Hoek, 1969
1929
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZKZQZ0Z0RZBZ0j0ZZ0Z0Z0Z00Z0Z0O0ZZ0m0Z0Z0
a b c d e f g h
Ra4If Kg4, Bf1.Otherwise, BXN.
1930
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0Zm0Z0Z0Z0KZ0Z0Z0ZA0Z0Z0Z0kZBZ0Z0oZ0Z0Z0ZR
a b c d e f g h
S. Hoffenreich, 1925
1930
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0Zm0Z0Z0Z0KZ0Z0Z0ZA0Z0Z0Z0kZ0Z0Z0oZ0ZBZ0ZR
a b c d e f g h
Bd1If Nb3, BXb3. Otherwise, Bb3.
1931
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0ZQZ0Z00Z0Z0Z0ZZ0Z0Z0J00Z0ZpZ0ZZ0Z0j0Z0
a b c d e f g h
S. Hoffenreich, 1925
1931
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0L0Z0ZZ0Z0Z0J00Z0ZpZ0ZZ0Z0j0Z0
a b c d e f g h
Qd4, Kf1Qf2
1932
8
7
6
5
4
3
2
1
0L0Z0Z0ZZ0Z0ZKZB0Z0Z0Z0ZZ0Z0Z0Z00Z0A0Z0Zo0m0Z0Z0kZ0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
E. Holladay, 1978
1932
8
7
6
5
4
3
2
1
0L0Z0Z0ZZ0Z0Z0JB0Z0Z0Z0ZZ0Z0Z0Z00Z0A0Z0Zo0m0Z0Z0kZ0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Kg7If Ka1 or Nd5, Qb1. If Nb5, Qg8.Otherwise, Bg8.
1933
8
7
6
5
4
3
2
1
0Z0S0Z0ZakZ0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0PZ0Z0Z0ZZ0Z0Z0Z00Z0Z0ZKAZ0Z0ZQZ0
a b c d e f g h
W. von Holtzhausen, 1899
1933
8
7
6
5
4
3
2
1
RZ0Z0Z0ZakZ0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0PZ0Z0Z0ZZ0Z0Z0Z00Z0Z0ZKAZ0Z0ZQZ0
a b c d e f g h
Ra8If KXa8, Qf3. If Kb6 or Kc6, Qb5.Otherwise, Qa6.
1934
8
7
6
5
4
3
2
1
0Z0jrZ0ZZKZ0a0Z00Z0Z0M0ZZ0Z0Z0Z00Z0Z0Z0ZA0Z0Z0Z00Z0Z0Z0ZZ0Z0S0Z0
a b c d e f g h
W. von Holtzhausen, 1924
1934
8
7
6
5
4
3
2
1
0Z0jrZ0ZZKZ0a0Z00Z0Z0M0ZZ0Z0S0Z00Z0Z0Z0ZA0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Re5If BXf6, Rd5. If BXa3 or Bb4-f8, RXe8. If Rf8-h8, BXe7.
1935
8
7
6
5
4
3
2
1
0Z0Z0S0ZZ0ZBZ0Z00Z0Z0Z0ZZ0ZNo0Z00ZKmkZ0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
M. Hramzevich, 1985/86
1935
8
7
6
5
4
3
2
1
0Z0Z0S0ZZ0Z0Z0Z00Z0Z0Z0ZZ0ZNo0Z00ZKmkZ0ZZ0Z0Z0ZB0Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Bh3If Nf3, Bf5.Otherwise, Bg2.
1936
8
7
6
5
4
3
2
1
0Z0Z0Z0ZA0Z0Z0Z00ZKL0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Zp0Z0ZPZkoZ0Z0Z0Z0
a b c d e f g h
B. Hulsen, 1915
1936
8
7
6
5
4
3
2
1
0Z0Z0Z0ZA0Z0Z0Z00ZKZ0Z0ZZ0L0Z0Z00Z0Z0Z0ZZ0Z0Z0Zp0Z0ZPZkoZ0Z0Z0Z0
a b c d e f g h
Qc5If Kg3, Qg5. If Kh1, Qd5. If ph1(N), Qg1.Otherwise, Qf2.
1937
8
7
6
5
4
3
2
1
0Z0ZkZ0ZZ0Z0Z0Z00Z0ZKZ0ZA0Z0Z0Z00Z0Z0Z0ZZ0m0Z0m0QZ0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
H. Hurme, 1962-64
1937
8
7
6
5
4
3
2
1
0Z0ZkZ0ZZ0Z0Z0Z00Z0ZKZ0ZA0Z0Z0Z00Z0Z0Z0ZZ0m0Z0m00L0Z0Z0LZ0Z0Z0Z0
a b c d e f g h
Qb2If Nb5, Qh8.Otherwise, Qb8
Qh2If Nh5, Qb8.Otherwise, Qh8
1938
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0rZ0ZpZRZZ0Z0Z0J00L0Z0Z0ZZ0ZkZ0Z0
a b c d e f g h
H. Hurme, 1964
1938
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0rZ0ZpZRZZ0Z0Z0Z00L0Z0Z0JZ0ZkZ0Z0
a b c d e f g h
Kh2, anythingRg1
1939
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00M0Z0Z0ZZ0Z0Z0Z00o0A0Z0ZZ0Z0Z0Z00ZkZBZ0ZS0Z0J0Z0
a b c d e f g h
S. Inostroza, 1986
1939
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00M0Z0Z0ZZ0Z0Z0Z00o0A0Z0ZZ0Z0ZBZ00ZkZ0Z0ZS0Z0J0Z0
a b c d e f g h
Bf3If Kb3, Bd1. If pb3, Be4. If Kd3, O-O-O.
1940
8
7
6
5
4
3
2
1
0Z0Z0Z0ZMkZ0Z0Z00O0ZKZ0ZZ0Z0Z0Z00Z0ZNZ0ZZ0Z0Z0Z0BS0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
S. Inostroza, 1990
1940
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZkZ0Z0Z00ONZKZ0ZZ0Z0Z0Z00Z0ZNZ0ZZ0Z0Z0Z0BS0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Nc6If KXc6, Bd5. If Ka6, Nc5. If Ka8, pb7. If Kc8, Nd6.
1941
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0M0ZZ0Z0ZkZ00Z0Z0Z0JZ0A0Z0Z00Z0Z0Z0ZL0Z0Z0Z0
a b c d e f g h
S. Inostroza, 1986
1941
8
7
6
5
4
3
2
1
0Z0Z0Z0ZL0Z0Z0Z00Z0Z0M0ZZ0Z0ZkZ00Z0Z0Z0JZ0A0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qa7If Ke6, Qd7. If Kf4, Qf2. If Kg6, Qh7.
1942
8
7
6
5
4
3
2
1
rZ0ZkZKZZRS0Z0o00Z0Z0Z0oZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
S. Inostroza, 1990
1942
8
7
6
5
4
3
2
1
rZ0ZkZKZZRZ0ZRo00Z0Z0Z0oZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Rf7, anythingRf8
1943
8
7
6
5
4
3
2
1
0ZBZ0Z0ZZ0Z0Z0J00Z0Z0Z0ZZ0Z0ZRZ00Z0ZkZ0ZZ0Z0Z0Z00Z0S0Z0ZZ0A0Z0Z0
a b c d e f g h
S. Inostroza, 1986
1943
8
7
6
5
4
3
2
1
0ZBZ0Z0ZZ0ZRZ0J00Z0Z0Z0ZZ0Z0ZRZ00Z0ZkZ0ZZ0Z0Z0Z00Z0Z0Z0ZZ0A0Z0Z0
a b c d e f g h
Rd7, KXf5Re7
1944
8
7
6
5
4
3
2
1
0Z0Z0Z0LZ0Z0Z0Z00Z0J0A0ZZpZ0Z0Z00Z0Z0Z0ZZkZ0Z0Z0RZ0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
S. Inostroza, 1986
1944
8
7
6
5
4
3
2
1
0Z0Z0Z0LZ0Z0Z0Z00Z0J0Z0ZZpZ0Z0Z00Z0Z0Z0ZZkZ0Z0Z0RZ0Z0Z0ZA0Z0Z0Z0
a b c d e f g h
Ba1If KXa2, Qb2. If Kb4 or Kc4, Qc3. If pb4, Qg8.
1945
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Zp0Z0Z0J0jS0Z0Z0Z0
a b c d e f g h
N. Ivanovsky, 1936
1945
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZS0Z0Z0Zp0Z0Z0J0jZ0Z0Z0Z0
a b c d e f g h
Ra3, Kh1RXh3
1946
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0ZP0Z0Z0J0jS0Z0Z0Z0
a b c d e f g h
N. Ivanovsky, 1936
1946
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0ZKZP0Z0Z0Z0jS0Z0Z0Z0
a b c d e f g h
Kf3, KXh3Rh1
1947
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0po0Z0Z0ZZ0Z0Z0Z0RZ0Z0Z0ZS0J0j0Z0
a b c d e f g h
M. Ivanov, 1982
1947
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0po0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0SS0J0j0Z0
a b c d e f g h
Rh2If Kf1, Kd2. If pa3, Kc2. If pb3, Kb2.
1948
8
7
6
5
4
3
2
1
0Z0Z0Z0AZQZ0Z0Z00Z0Z0Z0ZZ0MPZ0Z00ZkZ0Z0ZZ0Z0J0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
L. Ivanova, 1947
1948
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZQZ0Z0Z00Z0Z0Z0ZZ0MPZ0Z00ZkZ0Z0ZZ0A0J0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Bc2If KXc3, Qb3. If KXc5, Qc6.
1949
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0ZpZ0Z00ZNZ0Z0LJ0j0Z0Z00Z0Z0M0ZZPZ0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
A. Ivanov, 1966
1949
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0ZpZ0Z00ZNZ0L0ZJ0j0Z0Z00Z0Z0M0ZZPZ0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qf6If pXc6, Qe5. If pd6, Qc3.
1950
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0A0Z0Z00Z0ZRZ0ZZNZ0Z0Z00ZkZ0J0ZZ0ZNZ0Z0RZ0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
L. Iskra, 1970
1950
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0A0Z0Z00ZRZ0Z0ZZNZ0Z0Z00ZkZ0J0ZZ0ZNZ0Z0RZ0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Rc6+
If KXb5, Rc5. If KXd3, Rc3. If Kb3, Ra3. If Kd5, Nb4.
1951
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0A0Z0Z00Z0ZRZ0ZZNZ0Z0Z00ZkZ0Z0ZZ0ZNZ0Z0RZ0Z0Z0ZZ0J0Z0Z0
a b c d e f g h
L. Iskra, 1970
1951
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0A0Z0Z00Z0ZRZ0ZZNZ0Z0Z0RZkZ0Z0ZZ0ZNZ0Z00Z0Z0Z0ZZ0J0Z0Z0
a b c d e f g h
Ra4+
If KXb5, Rb4. If KXd3, Rd4. If Kb3, Nc5. If Kd5, Rd6.
1952
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0S0Z00Z0Z0o0ZZ0ZkZBZ00A0Z0Z0ZZ0Z0O0Z00Z0ZKZ0ZZ0Z0Z0Z0
a b c d e f g h
I. Ignatev, 1965
1952
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZRZ0Z0Z00Z0Z0o0ZZ0ZkZBZ00A0Z0Z0ZZ0Z0O0Z00Z0ZKZ0ZZ0Z0Z0Z0
a b c d e f g h
Rb7If Kc4, Be6. If Kc6, Be4. If Ke5, Rb5.
1953
8
7
6
5
4
3
2
1
0Z0Z0Z0ZJ0Z0Z0Z00Z0Z0Z0ZjpZ0Z0Z0pZ0Z0ZQoZ0Z0Z0Z00Z0O0Z0ZZ0Z0Z0Z0
a b c d e f g h
Y. Ishta, 1983
1953
8
7
6
5
4
3
2
1
0Z0Z0Z0ZJ0Z0Z0Z00Z0Z0Z0ZjpZ0Z0Z0pZ0Z0Z0oZ0Z0Z0ZQ0Z0O0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qh3If Kb4, Qc3. If pa3, QXa3. If pb4, Qf5.
1954
8
7
6
5
4
3
2
1
QZ0ZNZ0ZZ0ZkZ0Z00Z0Z0AKZa0Z0Z0Z00Z0Z0Z0ZM0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
C. E. M. Jago, 1986
1954
8
7
6
5
4
3
2
1
0Z0ZNZ0ZZ0ZkZ0Z00Z0Z0AKZL0Z0Z0Z00Z0Z0Z0ZM0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
QXa5If Kc6, Qb5. If Kc8, Qc7. If KXe8, Kd8. If Ke6, Qf5.
1955
8
7
6
5
4
3
2
1
0Z0Z0Z0jZ0Z0Z0a00Z0Z0mKZZ0Z0S0Z00ZBZ0Z0ZZ0Z0Z0Z00A0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
A. Jacab, 1922
1955
8
7
6
5
4
3
2
1
0Z0Z0Z0jZ0Z0S0a00Z0Z0mKZZ0Z0Z0Z00ZBZ0Z0ZZ0Z0Z0Z00A0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Re7If Bf8 or Bh6, Rh7. If Nd5 or Nh5, Re8. If Ne8, RXe8.Otherwise, BXg7.
1956
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZpZ00Z0Z0L0ZZ0Z0Z0Z00Z0Z0Z0ZZ0ZKZ0Z00Z0Z0Z0ZZkM0Z0Z0
a b c d e f g h
A. Jacab, 1922
1956
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZpZ00Z0Z0L0ZZ0Z0Z0Z00Z0Z0Z0ZZ0J0Z0Z00Z0Z0Z0ZZkM0Z0Z0
a b c d e f g h
Kc3If KXc1, Qf1. If Ka1, Kc2.
1957
8
7
6
5
4
3
2
1
0ZbL0Z0ZZkoNZ0Z0RZ0Z0Z0ZJ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
A. Jacab, 1963
1957
8
7
6
5
4
3
2
1
0ZbL0Z0ZZko0Z0Z0RM0Z0Z0ZJ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Nb6If pXb6+, QXb6. If Kc6, Qd5. If Bd7-h3, Qa8.Otherwise, QXc8.
1958
8
7
6
5
4
3
2
1
0ZRLRZ0ZZ0Z0Z0Z00Z0Z0J0ZZ0ZPZ0Z00Z0Z0Z0ZZ0ZkZ0Z0nZ0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Zh Janevski, 1970
1958
8
7
6
5
4
3
2
1
0ZRZRZ0ZZ0L0Z0Z00Z0Z0J0ZZ0ZPZ0Z00Z0Z0Z0ZZ0ZkZ0Z0nZ0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qc7If Kd4, Qc4. If Kd2, Qc2. If Nc3, QXc3. If Nb4 or Nc1, Qc3.
1959
8
7
6
5
4
3
2
1
0Z0Z0ZRZZ0Z0Z0Z0RZ0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0Zm0Z0Z0Z0pZ0Z0Z0Zj0J0Z0Z0
a b c d e f g h
A. Yaroslavtzev, 1967
1959
8
7
6
5
4
3
2
1
RZ0Z0Z0ZZ0Z0Z0Z0RZ0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0Zm0Z0Z0Z0pZ0Z0Z0Zj0J0Z0Z0
a b c d e f g h
R(g8)a8, anythingRXa2
1960
8
7
6
5
4
3
2
1
rZ0Z0Z0ZZ0Z0jBZ0pZ0Z0Z0ZZ0ZQZ0Z00ZNZ0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0J0Z0
a b c d e f g h
A. Jenssen, 1925
1960
8
7
6
5
4
3
2
1
rZ0Z0Z0ZZ0Z0j0Z0pZ0Z0Z0ZZ0ZQZ0ZB0ZNZ0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0J0Z0
a b c d e f g h
Bh5If Rd8 or Kf8, Qf7. If Kf6, Qe5.Otherwise. Qd6.
1961
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0ZkZZ0Z0Z0ZR0Z0Z0J0ZZ0Z0ZQZ00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
J. Jespersen, 1880
1961
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZQZ0Z0Z00Z0Z0ZkZZ0Z0Z0ZR0Z0Z0J0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qb7If KXh5, Qh7. If Kf6, Rh6.
1962
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0o0J00ZRZ0Z0ZZ0Z0O0Z00ZBZkZ0ZZ0Z0Z0Z00Z0Z0L0ZZ0Z0Z0Z0
a b c d e f g h
C. Jones, 1991
1962
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0o0J00ZRZBZ0ZZ0Z0O0Z00Z0ZkZ0ZZ0Z0Z0Z00Z0Z0L0ZZ0Z0Z0Z0
a b c d e f g h
Be6, Kd3Bf5
1963
8
7
6
5
4
3
2
1
0M0Z0Z0ZZ0Z0ZPZ00J0MkZ0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0LZ0Z0Z0Z0
a b c d e f g h
K. Junker, 1956
1963
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZPZ00JNMkZ0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0LZ0Z0Z0Z0
a b c d e f g h
Nc6If Kd5, Qe5. If Kd7, pf8(N). If Kf6, Qh6.
1964
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00ZQZ0ZnZZ0Z0Z0A00Z0jBZ0ZZ0Z0Z0Z00Z0Z0J0ZZ0Z0Z0Z0
a b c d e f g h
K. Junker - W. Speckmann, 1964
1964
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00ZQZ0ZnZZ0Z0ZBA00Z0j0Z0ZZ0Z0Z0Z00Z0Z0J0ZZ0Z0Z0Z0
a b c d e f g h
Bf5If Ke5, Qc5. If Ne5, Be3.Otherwise, Bf6.
1965
8
7
6
5
4
3
2
1
0Z0ZBZ0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0LKZ00Z0Z0Z0jZ0Z0Z0Z00Z0Z0ZpZZ0Z0Z0a0
a b c d e f g h
A. Jussila, 1944
1965
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0ZBZ0Z00Z0Z0Z0ZZ0Z0LKZ00Z0Z0Z0jZ0Z0Z0Z00Z0Z0ZpZZ0Z0Z0a0
a b c d e f g h
Bd7If Kh5, Qh8. If Kh3, Kg5. If Bh2, QXh2.Otherwise, Qh2.
1966
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZNZ0Z0Z00Z0Z0Z0ZZ0Z0j0Z00ZRZbZQJZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
O. Justnes, 1922
1966
8
7
6
5
4
3
2
1
0Z0M0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0j0Z00ZRZbZQJZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Nd8If Kf6, Qg5. If Bd5, Qf4. If Bf5, Qd4.Otherwise, Qe6.
1967
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZKZ00Z0Z0Z0ZZ0Z0ZkZ00ZNZpZ0LZ0Z0Z0Zb0Z0Z0Z0ZZ0Z0ZrZ0
a b c d e f g h
E. Yusupov, 1985/86
1967
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZKZ00Z0Z0Z0ZZ0Z0ZkZ00ZNZpZ0ZZ0Z0Z0Lb0Z0Z0Z0ZZ0Z0ZrZ0
a b c d e f g h
Qg3If Bg4, Qe5. If Rd1, Ne3.Otherwise, Nd6.
1968
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0KZ0Z0Z0ZZ0ZBZ0Z00Z0ZQZ0Zj0Z0Z0Z0
a b c d e f g h
G. Kaiser, 1939
1968
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0L0Z00Z0Z0Z0ZZ0Z0Z0Z0KZ0Z0Z0ZZ0ZBZ0Z00Z0Z0Z0Zj0Z0Z0Z0
a b c d e f g h
Qe7, Ka2 or Kb2Qa3
1969
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZQZ0RZ0Z0AqjZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0O00Z0Z0Z0ZZ0ZKZ0Z0
a b c d e f g h
G. Kaiser, 1950
1969
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZQZ0RZ0Z0ZqjZ0Z0Z0Z00Z0Z0Z0ZZ0A0Z0O00Z0Z0Z0ZZ0ZKZ0Z0
a b c d e f g h
Bc3If QXa6 or Qd6+, Bd2. If Kg5 or Kh5, QXg6.Otherwise, Bd2.
1970
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZQZ0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00JpZBZ0ZZ0Z0o0Z00Z0j0Z0ZZ0Z0Z0ZR
a b c d e f g h
G. Kakabadze, 1973
1970
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z0QZ0Z0Z0ZZ0Z0Z0Z00JpZBZ0ZZ0Z0o0Z00Z0j0Z0ZZ0Z0Z0ZR
a b c d e f g h
Qa6If pc3, Qd3. If Ke2 or pe2, Qa2.
1971
8
7
6
5
4
3
2
1
0Z0ZkZ0ZZ0Z0ZnZR0ZNZbZ0ZZ0J0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZL0Z0Z0Z0
a b c d e f g h
A. Kakovich, 1972
1971
8
7
6
5
4
3
2
1
0Z0ZkZ0ZZ0Z0ZnZR0ZNZbL0ZZ0J0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qf6If Kd7, Qd8. If Kf8, Rh8.Otherwise, Qe7.
1972
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00ZpZ0ZpoZ0Z0Z0Zk0Z0Z0Z0ZZ0Z0Z0ZK0Z0Z0ZQmZ0Z0Z0Z0
a b c d e f g h
V. Kalina, 1925
1972
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00ZpZ0ZpoZ0Z0Z0Zk0Z0ZQZ0ZZ0Z0Z0ZK0Z0Z0Z0mZ0Z0Z0Z0
a b c d e f g h
Qe4If Kg5, Qe5. If pg5, Qe8. If Nf3, Qg4. If Ng4, QXg4.Otherwise, Qh4.
1973
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0ZpZZ0Z0L0Z00Z0Z0Z0jZ0A0Z0ZP0Z0Z0J0ZZ0Z0ZbZ0
a b c d e f g h
V. Kalina, 1925
1973
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0ZpZZ0Z0L0Z00Z0Z0Z0jZ0Z0Z0ZP0Z0Z0J0ZZ0Z0AbZ0
a b c d e f g h
Be1If pg5, Qh8. If KXh3, Qg3. If BXh3, Kf3.If Bg2, KXg2. If Be2-a6, Kg2.
1974
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0ZKZ0j00Z0M0ZPMZ0Z0ZRZ00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0A0Z0Z0
a b c d e f g h
V. Kamenetsky, 1978/81
1974
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0ZKZ0j00Z0M0ZPMZ0Z0Z0S00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0A0Z0Z0
a b c d e f g h
Rg5If KXh6, Nf5. If Kf6, Ne8. If Kf8, pg8. If Kh8, Bb2.
1975
8
7
6
5
4
3
2
1
0Z0ZkZ0sZRZ0Z0Z00Z0Z0ZPoZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0ZRJ0
a b c d e f g h
H. H. Kamstra, 1929
1975
8
7
6
5
4
3
2
1
0Z0ZkZ0sZRZ0ZRZ00Z0Z0ZPoZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0J0
a b c d e f g h
R(f1)f7, anythingRb8
1976
8
7
6
5
4
3
2
1
0Z0ZkZ0sZRZ0Z0Zp0Z0Z0ZPZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0ZRJ0
a b c d e f g h
H. H. Kamstra, 1929
1976
8
7
6
5
4
3
2
1
0Z0ZkZ0sZRZ0Z0Zp0Z0Z0ZPZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZS0Z0Z0J0
a b c d e f g h
Ra1, anythingRa8
1977
8
7
6
5
4
3
2
1
0L0A0Z0ZopZ0Z0Z0kZ0Z0Z0Zo0Z0Z0Z00ZKZ0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
D. Kanonik, 1974
1977
8
7
6
5
4
3
2
1
0L0Z0Z0ZopZ0Z0Z0kA0Z0Z0Zo0Z0Z0Z00ZKZ0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Bb6If KXb6, Qd6. If pXb6, Qa8. If pa4, QXa7.
1978
8
7
6
5
4
3
2
1
0Z0Z0Z0aZ0Z0Z0Z0bZ0Z0Z0ZM0Z0Z0Z00Z0ZQZ0ZZ0j0Z0Z00ZPZ0Z0ZZ0J0Z0Z0
a b c d e f g h
D. N. Kapralos - T. Moutecidis, 1961
1978
8
7
6
5
4
3
2
1
0Z0Z0Z0aZ0Z0Z0Z0bZNZ0Z0ZZ0Z0Z0Z00Z0ZQZ0ZZ0j0Z0Z00ZPZ0Z0ZZ0J0Z0Z0
a b c d e f g h
Nc6If Bc4, Qe1. If Bd4, QXd4.Otherwise, Qb4.
1979
8
7
6
5
4
3
2
1
0Z0ZkZ0sS0Z0Z0Zb0Z0Z0Z0ZZ0Z0J0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZL0Z0Z0Z0
a b c d e f g h
T. Kardos, 1969
1979
8
7
6
5
4
3
2
1
0Z0ZkZ0sS0Z0Z0Zb0Z0Z0Z0ZZ0Z0J0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0ZQ
a b c d e f g h
Qh1If Be4 or Bf5, QXh8.Otherwise, Qa8.
1980
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0J0ZR0Z0S0ZpZjbZ0Z0L0
a b c d e f g h
T. Kardos, 1970
1980
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0J0Z00Z0S0ZpZjbZ0Z0LR
a b c d e f g h
Rh1, pXh1(anything)Qg7.
1981
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0O0Z00Z0ZkZ0ZZ0Z0Z0Z00Z0ZKZ0ZZ0Z0L0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
T. Kardos, 1962
1981
8
7
6
5
4
3
2
1
0Z0ZQZ0ZZ0Z0Z0Z00Z0ZkZ0ZZ0Z0Z0Z00Z0ZKZ0ZZ0Z0L0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
pe8(Q)+
If Kd6, Qb6. If Kf6, Qh6.
1982
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0On0Z0o0Z0ZZ0Z0ZKZk0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
T. Kardos, 1970
1982
8
7
6
5
4
3
2
1
0Z0Z0ZQZZ0Z0Z0Zn0Z0o0Z0ZZ0Z0ZKZk0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
pg8(Q)If Kh4, Qg4. If Kh6, Qg6. If pd5, QXh7.If Ng5, QXg5. If Nf6 or Nf8, Qg5.
1983
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZNZ00Z0Z0Z0ZZ0Z0Z0Z00J0ZkZ0ZZ0Z0O0ZB0Z0Z0Z0ZZ0L0Z0Z0
a b c d e f g h
T. Kardos, 1970
1983
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0ZNZ00Z0Z0Z0ZZ0Z0Z0Z00J0ZkZ0ZZ0Z0O0ZB0Z0Z0Z0ZZ0Z0L0Z0
a b c d e f g h
Qe1If Kd3, Bf5. If Kd5, Qh1. If Qf3, Ng5.
1984
8
7
6
5
4
3
2
1
0Z0J0Z0ZZ0ZbO0Z00ZPj0Z0ZZ0Z0Z0Z00ZQZ0O0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
T. Kardos, 1978
1984
8
7
6
5
4
3
2
1
0Z0J0Z0ZZ0ObO0Z00Z0j0Z0ZZ0Z0Z0Z00ZQZ0O0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
pc7If Ba4-e8, pc8(N). If Bc8-h3, pe8(N).
1985
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZPZ0Z0Z00Z0Z0Z0ZZ0ZkZ0Z00Z0O0L0ZZ0Z0Z0Z0KZ0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
T. Kardos, 1975
1985
8
7
6
5
4
3
2
1
0L0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0ZkZ0Z00Z0O0L0ZZ0Z0Z0Z0KZ0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
pb8(Q)If Kc4, Qb3. If Kc6, Q(f4) d6. If Ke6, Q(b8) d6.
1986
8
7
6
5
4
3
2
1
rZ0ZkZ0sZ0Z0Z0Z00ZPZKO0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0L00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
T. Kardos, 1981
1988
8
7
6
5
4
3
2
1
rZ0ZkZ0sZ0Z0Z0L00ZPZKO0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qg7If Kd8, Qd7. If O-O-O, Qb7. If Rh7, Qg8. If Ra7, QXh8.Otherwise, Qe7.
1987
8
7
6
5
4
3
2
1
QZ0Z0M0ZZ0J0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0ZNSbjZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
T. Kardos, 1980
1987
8
7
6
5
4
3
2
1
0Z0Z0M0ZZ0J0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0ZNSbjZ0Z0Z0Z00Z0Z0Z0ZL0Z0Z0Z0
a b c d e f g h
Qa1If Kh3, Qh1. If Kh5, Qh8.
1988
8
7
6
5
4
3
2
1
0ZkZ0Z0ZZ0A0Z0Z00Z0Z0Z0ZZ0S0Z0Z00ZBZ0Z0ZZ0Z0Z0Z00ZKZ0Z0ZZ0L0Z0Z0
a b c d e f g h
T. Kardos, 1983
1988
8
7
6
5
4
3
2
1
0ZkZ0Z0ZZ0A0Z0Z00Z0Z0Z0LZ0S0Z0Z00ZBZ0Z0ZZ0Z0Z0Z00ZKZ0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qh6If Kb7, Qa6. If Kd7, Qe6.
1989
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0o0Z0Z00ZpZ0Z0Zj0J0Z0Z00ZQZ0Z0ZZ0Z0Z0Z00ZbZ0Z0ZZ0Z0Z0Z0
a b c d e f g h
T. Kardos, 1982
1989
8
7
6
5
4
3
2
1
0Z0Z0ZQZZ0o0Z0Z00ZpZ0Z0Zj0J0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00ZbZ0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qg8If Ka4 or Bd3, Qa2.Otherwise, Qa8.
1990
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z0BZ0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZkZ0Z0Z00MNOKZ0ZZRZ0Z0Z0
a b c d e f g h
T. Kardos, 1985
1990
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z0BZ0Z0Z0ZZ0Z0Z0Z00ZNZ0Z0ZZkZ0Z0Z00ZNOKZ0ZZRZ0Z0Z0
a b c d e f g h
Nc4+
If KXc2, Na3. If Ka2, Rb2. If Ka4, Bb5.
1991
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00S0A0Z0ZZ0Z0Z0Z00MkM0Z0ZZ0Z0Z0Z00Z0Z0Z0ZS0Z0J0Z0
a b c d e f g h
T. Kardos, 1981
1991
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00S0A0Z0ZZ0Z0Z0Z00MkM0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0JRZ0Z0
a b c d e f g h
O-O-O, Kc3Rc6
1992
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0ZN0Z0Z0Z0jL0Z0ZKZN0Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
T. Kardos, 1986
1992
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0ZN0Z0Z0Z0jZ0Z0ZKZN0Z0Z0Z0ZZ0L0Z0Z0
a b c d e f g h
Qc1If KXh5, Qg5. If KXh3, Qh1.
1993
8
7
6
5
4
3
2
1
kZKm0Z0Zo0ZpZ0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0ZRZ0L0
a b c d e f g h
T. Kardos, 1988
1993
8
7
6
5
4
3
2
1
kZKm0Z0Zo0ZpZ0Z00L0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0ZRZ0Z0
a b c d e f g h
Qb6If pXb6, Ra1. If Nc6, Qb7. If Nb7, QXb7.Otherwise, Qb8.
1994
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0QZ0Z0Z0ZZ0Z0SPZ00Z0O0ZkZS0Z0J0Z0
a b c d e f g h
T. Kardos, 1990
1994
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0QZ0Z0Z0ZZ0Z0ZPZ00Z0ORZkZS0Z0J0Z0
a b c d e f g h
Re2If KXf3, Ra3. If Kg3 or Kh3, Qg4. If Kg1 or Kh1, O-O-O.
1995
8
7
6
5
4
3
2
1
0Z0Z0ZkZZ0Z0o0Z00Z0o0ZKZZpo0Z0Z00Z0Z0Z0ZZ0Z0Z0L00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
T. Kardos, 1987
1995
8
7
6
5
4
3
2
1
0Z0Z0ZkZZ0Z0o0Z00Z0o0ZKZZpo0Z0Z00Z0Z0Z0ZL0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
Qa3, anythingQa8
1996
8
7
6
5
4
3
2
1
0ZKZ0Z0ZA0Z0Z0Z0NZ0ZRZ0ZZkZ0Z0Z00Z0Z0Z0ZZ0Z0Z0ZR0Z0Z0Z0ZZBZ0Z0Z0
a b c d e f g h
T. Kardos, 1988
1996
8
7
6
5
4
3
2
1
0ZKZ0Z0ZA0Z0Z0Z0NZ0Z0Z0ZZkZ0S0Z00Z0Z0Z0ZZ0Z0Z0ZR0Z0Z0Z0ZZBZ0Z0Z0
a b c d e f g h
Rf5+
If KXa6, Ra3. If Kc6, Rh6. If Kc4, Ba2. If Ka4, Bc2.
1997
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0S0Z0oN0Z0Z0Z0ZZ0ZBZkZ00Z0Z0Z0ZZ0Z0J0ZR
a b c d e f g h
T. Kardos, 1990
1997
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0S0oN0Z0Z0Z0ZZ0ZBZkZ00Z0Z0Z0ZZ0Z0J0ZR
a b c d e f g h
Re5If Kg2, Be4. If Kg4, Be2. If pg4, O-O.
1998
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0L0Z0OZ0Z0ZNZ00Z0Z0OkZZ0ZPZ0Z00Z0Z0J0ZZ0Z0Z0Z0
a b c d e f g h
T. Kardos, 1992
1998
8
7
6
5
4
3
2
1
0Z0Z0Z0ZZ0Z0Z0Z00Z0Z0L0OZ0Z0ZNZ00Z0Z0OkZZ0ZPZ0Z00Z0Z0J0ZZ0Z0Z0Z0
a b c d e f g h
Qf6If KXf4, Ne3. If Kh3, Qh4. If Kh5, Qg5.
1999
8
7
6
5
4
3
2
1
0Z0Z0L0ZZPZ0Z0Z00Z0Z0Z0ZZ0ZkZ0Z00Z0O0Z0ZZ0Z0Z0Z00Z0S0Z0ZZ0ZKZ0Z0
a b c d e f g h
T. Kardos, 1990
1999
8
7
6
5
4
3
2
1
0L0Z0L0ZZ0Z0Z0Z00Z0Z0Z0ZZ0ZkZ0Z00Z0O0Z0ZZ0Z0Z0Z00Z0S0Z0ZZ0ZKZ0Z0
a b c d e f g h
pb8(Q)If Kc4, Qc5. If Ke4, Qe5. If Kc6, Q(f8) d6. If Ke6, Q(b8) d6.
2000
8
7
6
5
4
3
2
1
0Z0Z0Z0JZ0Z0jPZ00Z0Z0Z0ZZ0Z0Z0ZB0Z0Z0A0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
T. Kardos, 1971
2000
8
7
6
5
4
3
2
1
0Z0Z0L0JZ0Z0j0Z00Z0Z0Z0ZZ0Z0Z0ZB0Z0Z0A0ZZ0Z0Z0Z00Z0Z0Z0ZZ0Z0Z0Z0
a b c d e f g h
pf8(Q)+
If KXf8, Bd6. If Kd7, Qe8. If Ke6, Qf7.
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