[Event "Olympic ty"] [Site "?"] [Date "1964.??.??"] [Round "?"] [White "Kazantsev, Alexander"] [Black "(+3141.44c5h4) (c) (s) U1"] [Result "1-0"] [SetUp "1"] [FEN "1R6/5p2/4P1pb/2K4p/2pB1N1k/4P3/6PP/2q5 w - - 0 1"] [PlyCount "19"] [EventDate "1964.??.??"] {[%evp 0,19,183,-85,-30,-23,-24,-28,-28,397,416,421,547,557,29993,29994,29995,29996,29997,29998,29999,-30000]} {correction: Kazantsev=A Moskovskaja Pravda/12 1964 solution: Kofman=R Shakhmaty v SSSR/2 1967. U1: Van_Reek=J Mat Plus=5 10/2010.} 1. e7 $1 (1. exf7 $1 {} Qa3+ 2. Kd5 c3 3. Ke4 $1 Qa6 4. Rb6 Qa8+ 5. Kd3 Bxf4 6. Rxg6 $1) 1... Qa3+ 2. Rb4 (2. Kxc4 $2 Qxe7) 2... Qa7+ 3. Kxc4 (3. Kd6 $2 Bxf4+ 4. exf4 Qxd4+ 5. Kc6 Qe4+ 6. Kd7 Qd5+) 3... Qxe7 (3... Qc7+ 4. Kb3 Qxe7 5. Nxg6+ fxg6 6. Bf6#) 4. Nxg6+ (4. Nd5 $2 Qf8 $1 (4... Qd6 $2 5. Bf6+ (5. Bc5 $2 Qxh2 6. Be7+ Kg4 7. Kc5+ Kf5 8. g4+ (8. e4+ Kg4 9. Nf6+ Kg3) 8... hxg4 9. e4+ Ke6 10. Rb6+ Kd7 11. Rd6+ Qxd6+ 12. Bxd6 f5 13. e5 g3) (5. Kc3 $2 Kg5 6. h4+ Kf5 7. g4+ (7. Nf6 Qc6+ 8. Rc4 Qxg2 9. Rc5+ Ke6) 7... hxg4 8. e4+ Kxe4 9. Bc5+ Kxd5 10. Bxd6 Kxd6 11. Rxg4 Ke5) 5... Kg4 6. Kb3+ $1 (6. Ne7 $2 Bxe3 7. Kc3+ Qxb4+ 8. Kxb4 Bf4 9. g3 Bd6+ 10. Kc4 Kh3) (6. Kd3+ $2 Kf5 7. e4+ Ke6 8. Rb6 Qxb6) 6... Kf5 7. e4+ Ke6 8. Rb7 Bf8 (8... Qf8 9. Re7+ Kd6 10. Be5+ Kc5 11. Rc7+ Kb5 12. Bd4) 9. Nc7+ Kxf6 10. Ne8+ Ke5 11. Nxd6 Bxd6 12. Rxf7 Kxe4 13. h3 Be5 14. Kc2) 5. Bf6+ Kg4 6. Ne7 Bxe3 7. Kd3+ Bf4 8. Nd5 Qxb4 9. Nxb4 Bxh2) 4... fxg6 5. Bf6+ $1 Qxf6 6. Kd5+ Kg5 (6... Bf4 7. Rxf4+) 7. h4+ $1 Kf5 8. g4+ $1 hxg4 9. Rf4+ $1 Bxf4 10. e4# 1-0