Problem No. 639 by A.F. Mackenzie. White mates in two moves.
FEN q6B/2nPN2b/1P3Rp1/2N1k1p1/1P4B1/3Prr2/4pP2/b1Q1K3 w - - 0 1
The defenses include two interferences and four self-blocks.
Solution: 1. Nb7 Re4 2. Re6#
Chess Quiz No. 440
FEN 6k1/ppp3pp/4p1nq/2p1N3/4P2r/2Pr3P/PPQN1PP1/3R1RK1 w - - 0 1
Lepichin vs. Tarasov (Central Russian Championship, 1958).
Black to play and win
Lepichin vs Vitaly Georgievich Tarasov
Novosibirsk, USSR (1958)
Scotch Game: Meitner Variation (C45) 0-1
Robert James Fischer vs Josef Kupper
Zurich (1959), Zurich SUI, rd 4, May-23
Sicilian Defense: Fischer-Sozin Attack. Leonhardt Variation (B88) 1-0