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Studies awarded for the
Pervakov, Oleg 1960
60 jubilee torunament 2020
.
[Event "Pervakov 60 JT, 1-3 prize"] [Date "2020"] [White "S.Didukh"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/2N5/7p/2P3k1/3P3r/6KP/5P2/7b w - - 0 1"] [PlyCount "19"] 1. f4+ $1 (1. Ne6+ $2 Kf6 (1... Kh5 $2 2. f3 $1 $18) 2. Kxh4 Kxe6 $11) 1... Kh5 (1... Rxf4 2. Ne6+ {fork}) 2. d5 Be4 3. Ne8 $1 Bxd5 (3... Bf5 4. Ng7+) 4. Nf6+ Kg6 5. Nxd5 Rh5 6. f5+ $1 {(same combination one rank higher)} Kxf5 (6... Rxf5 7. Ne7+ {fork.}) (6... Kf7 7. c6 Rg5+ 8. Kf4 Rg1 9. Ke5 Rc1 10. Kd6 $1 $18 (10. c7 $2 Rc6 $11)) 7. h4 $3 {The pawn keeps the rook in prison while the black king cannot step up or down because of forks.} (7. c6 $2 Rg5+ 8. Kh4 Ke6 $1 ({ not} 8... Rg8 $2 9. Ne7+) 9. c7 Kd7 $11) 7... Ke5 ({Home is not safe anymore:} 7... Kg6 8. Nf4+) 8. c6 Kd6 9. c7 Kd7 10. Nf6+ {Another fork crowns the knight's performance.} 1-0
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[Event "Pervakov 60 JT, 1-3 prize"] [Date "2020"] [White "E.Kopylov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "3N3k/8/q2P1Knb/8/8/8/3n2N1/6Q1 w - - 0 1"] [PlyCount "17"] 1. Nf4 $1 (1. Kxg6 $2 Qxd6+ 2. Kh5 Qe5+ 3. Kxh6 Qf6+ 4. Kh5 Qf5+ 5. Kh6 Qh7+ 6. Kg5 Nf3+ $19) 1... Qxd6+ (1... Nxf4 2. Nf7+ Kh7 3. Qh1 $1 Nh5+ 4. Qxh5 Ne4+ 5. Ke7 Qb7+ 6. d7 $11) 2. Nfe6 Bg5+ $1 3. Qxg5 (3. Kxg6 $2 Qd3+ 4. Kh5 Qh3+ $1 5. Kxg5 Nf3+ 6. Kg6 Qh7+ 7. Kf6 Nxg1 $19) 3... Ne4+ 4. Kf5 $1 (4. Kxg6 $2 Nxg5 {zz } 5. Kxg5 Qe5+ 6. Kg6 Kg8 {zz} 7. Kh6 Qf5 $18) 4... Nxg5 5. Kxg6 {zz} Kg8 (5... Nxe6 6. Nf7+) 6. Kxg5 Qe5+ 7. Kg6 {zz} Qb5 8. Kf6 Qd5 9. Ke7 $11 1/2-1/2
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[Event "Pervakov 60 JT, 1-3 prize"] [Date "2020"] [White "S.Nielsen"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "b7/5B2/k1PR1pp1/8/2P5/1p4P1/4p3/1n5K w - - 0 1"] [PlyCount "37"] 1. Re6 Nc3 2. Kg2 Ne4 $1 3. c7+ Kb7 4. Rc6 Nd6 5. c8=Q+ Nxc8 6. Re6 Kb8+ $1 ( 6... Kc7+ 7. Kf2 Be4 8. Rxe4 b2 9. Bxg6 b1=Q 10. Re7+ $1 $11) 7. Kf2 Be4 8. Rxe4 b2 9. Re5 $1 fxe5 (9... b1=Q 10. Rb5+) 10. Bxg6 Nd6 11. Bd3 $1 Nxc4 12. g4 (12. Kxe2 $2 Na3 13. g4 Kc7 14. g5 Kd6 15. g6 Ke6 16. Kf3 Kf6 17. Kg4 Nc4 18. g7 Kxg7 19. Kf5 Kh6 $1 20. Ke4 Kg5 21. Kd5 Kf4 $1 22. Kxc4 e4 23. Bc2 e3 24. Kd3 b1=Q 25. Bxb1 Kf3 $18) 12... Na3 13. g5 b1=Q 14. Bxb1 Nxb1 15. Kxe2 $1 (15. g6 $2 Nc3 16. g7 Ne4+ 17. Kxe2 Nf6 $19) 15... Kc7 16. Kd3 Kd6 17. g6 Ke6 18. g7 Kf7 19. Ke4 $11 1/2-1/2
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[Event "Pervakov 60 JT, 4 prize"] [Site ""] [Date "2020"] [Round ""] [White "J.Sprenger"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/1k6/1b5P/5N2/7K/q7/8/3R4 w - - 0 1"] [PlyCount "19"] 1. h7 Qf8 2. Kg5 {White is threatening to play Rb1 and Rxb6, followed by Kg6, Sh6 and Sf7. By contrast, Black needs to transfer the bishop to the long diagonal, controlling the promotion square and stopping the white counterplay. The second white idea is to harass the black queen with Rd7 and Rf7.} ({ logical try} 2. Rd7+ Kc6 3. Rf7 Bd8+ $1 4. Kg4 Qe8 5. Ne7+ Kb5 $3 {( unblock diagonal a3-f8 )} 6. Rf8 Qxf8 7. Ng6 {position B with bKb5} Qb4+ $1 $19) 2... Ba5 3. Rd3 $1 ({logical try} 3. Rd7+ Kc6 4. Rf7 {position A with bBa5} Qa8 $1 5. Rf6+ Kc5 $1 $19) 3... Bc7 4. Rd7 Kc6 5. Rf7 $1 {position A with bBc7} ({try } 5. Rxc7+ $2 {does not work since the black king is too close:} Kxc7 6. Kg6 Kd7 {/Kd8} 7. Nh6 Ke6 8. Ng8 Qf7+ 9. Kh6 Kf5 $19) 5... Qd8+ $1 (5... Qa8 6. Rxc7+ $10) (5... Bd8+ 6. Ne7+ {/Kg6} Bxe7+ 7. Kg6 Qe8 8. Kg7 $10) 6. Ne7+ (6. Kg6 Be5 $19) 6... Kd6 $1 7. Rf8 $3 {The point of the white play.} ({ thematic try} 7. Kg6 Ke6 $1 8. Nf5 Be5 9. Ng7+ Kd6 $1 $19 {and White has run out of steam.} (9... Kd5 $2 10. Rd7+)) 7... Qxf8 (7... Qxe7+ 8. Rf6+ Ke5 9. h8=Q $10) 8. Ng6 Bd8+ (8... Qd8+ 9. Kh5 $10 {/Kh6}) 9. Kg4 {position B with bKd6} Qf6 10. h8=Q 1/2-1/2
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[Event "Pervakov 60 JT, 5 prize"] [Site ""] [Date "2020"] [Round ""] [White "A.Oganesian and K.Sumbatyan"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/2rnB1P1/7p/4P1pP/5k2/p2p2p1/p3PP2/3Nn1K1 w - - 0 1"] [PlyCount "30"] 1. g8=Q Nf3+ $1 (1... a1=Q 2. Qf7+ Ke4 3. Qg6+ Kd4 4. Qd6+ Ke4 5. Qg6+ $11) (1... gxf2+ 2. Kxf2 a1=Q 3. Qf7+ Ke4 4. Qg6+ Kd4 5. Qd6+ $11) 2. Kg2 $1 ( 2. exf3 $2 gxf2+ $1 3. Kxf2 Rc2+ $19) 2... Nh4+ $1 3. Kh3 $1 dxe2 (3... a1=Q 4. fxg3+ $1 Ke4 5. Qa8+ Kd4 6. e3+ Kc4 7. Qa4+ Kd5 8. Bxa3 $1 Qxe5 9. Qa8+ Kc4 10. Qa4+) 4. fxg3+ Ke4 $1 5. Qa8+ Kxe5 6. Nc3 $1 Rxc3 7. Qh8+ Kf5 $1 8. Qxc3 g4+ $1 9. Kxh4 e1=N $1 10. Qxe1 Ne5 $1 11. Qxe5+ Kxe5 12. Bf8 Kf6 13. Bc5 a1=B $1 (13... a1=Q 14. Bd4+ Qxd4) 14. Bxa3 Kf5 15. Bb2 $1 (15. Be7 $2 Bd4 16. Bd8 Be3 17. Be7 Bg5+ 18. Bxg5 hxg5#) 15... Bxb2 1/2-1/2
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[Event "Pervakov 60 JT, 6 prize"] [Site ""] [Date "2020"] [Round ""] [White "V.Tarasiuk"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/8/K2P3k/8/n3r1P1/7B/8/8 w - - 0 1"] [PlyCount "21"] 1. Kb7 $1 (1. d7 $2 Rd4 $1 2. Kb5 Nc3+ 3. Kc6 Kg5 4. Bg2 Kf6) 1... Nc5+ ( 1... Rd4 2. Kc7 $1 Nc5 3. g5+ Kxg5 4. d7) 2. Kc6 Ne6 3. d7 Nd8+ 4. Kc7 Nf7 5. g5+ $1 (5. d8=N $2 Re7+ $1 6. Kc8 Re8 7. Kd7 Rxd8+) 5... Kh5 $1 (5... Kg7 6. d8=N $1 Re7+ 7. Bd7 Ne5 8. Ne6+ $1) 6. g6 $1 (6. d8=N $2 Re7+ $1 7. Bd7 Ne5 8. Nc6 Rxd7+ 9. Kc8 Rd5) (6. Bf5 $2 Rc4+ 7. Kb8 Nd8 $1 8. g6 Kh6) 6... Kxg6 (6... Rc4+ 7. Kb8 $1 Kxg6 8. Be6 Rd4 9. Kc7) 7. d8=N $3 (7. d8=Q $2 Rc4+ 8. Kd7 Rd4+ 9. Ke7 Nxd8) 7... Re7+ $1 (7... Rc4+ 8. Nc6 Ne5 9. Bg2 (9. Bd7)) 8. Bd7 $1 (8. Kc8 $2 Re8 9. Kd7 Rxd8+) 8... Ne5 9. Nc6 $1 Rxd7+ 10. Kc8 Rd5 11. Ne7+ 1/2-1/2
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[Event "Pervakov 60 JT, special prize"] [Site ""] [Date "2020"] [Round ""] [White "M.Zinar and A.Davranian"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/p3p1p1/P7/P3P1P1/4P1P1/4P1P1/5k2/3K4 b - - 0 1"] [PlyCount "21"] 1... Kxe3 (1... Kxg3 2. Ke2 (2. g6) 2... Kxg4 3. g6 Kg5 4. Kf3 Kxg6 5. Kg4 Kh6 6. Kf5 $3 ({ЛЛС} 6. Kh4 g6 $1 7. Kg4 g5 8. e6 Kg6 9. e5 Kh6 10. e4 Kg6 $19 {zz}) 6... g5 7. Kg4 $1 Kg6 (7... e6 8. Kh3 {(f3)!} Kh5 9. Kg3 {zz} g4 10. Kf4 Kh4 $11) 8. e6 Kh6 9. e5 Kg6 10. e4 {zz} Kh6 11. Kf5 Kh5 $11) 2. Kc2 $1 (2. e6 $2 Kd3 $1 3. e5 g6 4. Ke1 Kc3 5. Ke2 Kb4 $19) 2... Kxe4 (2... Kd4 3. Kb3 Kc5 4. Kc3 e6 5. g6 Kb5 6. Kd4 $11) 3. e6 $1 Ke5 4. Kd3 Kxe6 5. Ke4 Kd6 6. Kf5 $3 ({ЛЛС} 6. Kd4 $2 e6 $1 7. Ke4 e5 8. g6 Ke6 9. g5 Kd6 10. g4 Ke6 $19 {zz} ) 6... e5 7. Ke4 $1 Ke6 {A} ({B} 7... g6 8. Kd3 {(f3)!} Kd5 9. Ke3 {zz} e4 10. Kf4 Kd4 $11) 8. g6 $1 Kd6 9. g5 Ke6 10. g4 {zz} Kd6 11. Kf5 Kd5 $11 1/2-1/2
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[Event "Pervakov 60 JT, special prize"] [Site ""] [Date "2020"] [Round ""] [White "V.Nevostruev"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "2k5/7p/1P1P4/p7/K1pp4/5q2/3P3P/1R6 w - - 0 1"] [PlyCount "47"] 1. d7+ Kxd7 2. b7 Qc6+ 3. Rb5 c3 $1 (3... Qxb5+ 4. Kxb5 Kc7 5. Kxc4 Kxb7 6. Kb5 $1) (3... Qh1 4. Rb6 $1 (4. Kxa5 $2 Kc6 $3 $11)) 4. b8=N+ $1 (4. b8=Q $2 c2 $11) 4... Kd6 5. Nxc6 c2 $1 6. Rc5 $1 Kxc5 7. Nxa5 c1=N $1 8. Nb3+ Nxb3 9. Kxb3 Kb5 10. d3 $1 h6 11. h3 $1 h5 12. h4 {zz} Kc5 13. Ka4 Kd5 14. Kb5 {(b4)} Ke5 15. Kc5 {(c4)} Kf4 16. Kxd4 Kg4 17. Ke4 {(e3, e5)} Kxh4 18. Kf4 Kh3 19. d4 Kg2 $5 20. d5 $1 (20. Kg5 $2 Kg3 $1 $11) 20... h4 21. d6 h3 22. d7 h2 23. d8=Q h1=Q 24. Qd2+ 1-0
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[Event "Pervakov 60 JT, 1 hm"] [Site ""] [Date "2020"] [Round ""] [White "V.Vlasenko"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "5nR1/8/8/6K1/8/1k2B2p/1N6/8 b - - 0 1"] [PlyCount "18"] 1... Nh7+ 2. Kf5 $3 (2. Kf4 $2) (2. Kg6 $2) 2... h2 3. Rb8+ Ka2 $1 (3... Kc2 4. Rc8+ Kxb2 5. Rc1 $18) 4. Nd3 $1 (4. Ra8+ $2 Kb1 $1 $11) 4... h1=Q 5. Nc1+ (5. Rb2+ $2 Ka1 $1 $11) 5... Ka3 (5... Ka1 6. Bd4#) 6. Bc5+ Ka4 7. Rb4+ Ka5 (7... Ka3 8. Rh4+ $1) 8. Nb3+ Ka6 9. Rb6+ Ka7 10. Rh6+ $1 1-0
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[Event "Pervakov 60 JT, 2 hm"] [Site ""] [Date "2020"] [Round ""] [White "P.Arestov and P.Krug"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "7q/6pk/3p4/7K/8/5B2/Q7/8 w - - 0 1"] [PlyCount "45"] 1. Qe6 $1 Qd8 $1 2. Bd5 $1 (2. Be4+ $2 Kh8 3. Bf5 Qa8 $1 4. Be4 Qd8 5. Bd5 Qf8 6. Qh3 Qf5+ $3 7. Qxf5 g6+ 8. Qxg6) 2... Qf8 3. Be4+ $1 Kh8 4. Qh3 $1 Qe8+ 5. Bg6 Qb5+ 6. Kh4 $3 Qc4+ 7. Kg5+ Kg8 8. Qh7+ Kf8 9. Qh8+ Qg8 10. Qh1 $1 Qa2 11. Qf3+ Kg8 12. Qe4 $1 Kh8 13. Qh1+ $1 Kg8 14. Qf3 $1 Qa5+ 15. Kg4 Qd8 16. Qf5 $1 Kh8 17. Kh3 $1 d5 18. Qe5 $1 Kg8 19. Qe6+ Kh8 20. Bf5 g6 $5 21. Qxg6 Qe7 22. Qh6+ Kg8 23. Be6+ 1-0
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[Event "Pervakov 60 JT, 3 hm"] [Site ""] [Date "2020"] [Round ""] [White "L.M.Gonzalez"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/6p1/8/1p6/1pNk4/1P4p1/6P1/7K w - - 0 1"] [PlyCount "69"] 1. Na5 Kc5 $1 2. Nb7+ Kc6 3. Nd8+ Kd7 4. Nf7 Ke6 5. Ng5+ Kf5 6. Nh7 $1 ( 6. Nf3 $2 Ke4 $1 7. Kg1 Kd3 8. Kf1 Kc3 $11) 6... Ke4 $1 (6... Kg6 7. Nf8+ Kf7 8. Nd7 Ke6 9. Nb8 $18) 7. Nf8 Kd3 8. Nd7 {(e6)} Kc3 9. Nc5 Kd4 10. Nb7 $1 Kc3 11. Na5 Kd4 12. Kg1 $1 Kc5 13. Nb7+ Kc6 14. Nd8+ Kd7 15. Nf7 Ke6 16. Ng5+ (16. Nh8 $2 Ke5 17. Kf1 Kd4 $11) 16... Kf5 17. Nh7 $1 Ke4 $1 18. Nf8 Kd3 19. Nd7 {(e6)} Kc3 20. Nc5 Kd4 21. Nb7 $1 Kc3 22. Na5 Kd2 $1 (22... Kd4 23. Kf1 Kc5 24. Nb7+ Kc6 25. Nd8+ Kd7 26. Nf7 Ke6 27. Nh8 $18 ({or} 27. Ng5+ $18)) 23. Kf1 $1 Kd1 24. Nc6 $1 (24. Nb7 $2 Kd2 25. Nc5 Kd1 26. Nd3 Kd2 27. Nxb4 {loss of time}) 24... Kd2 (24... Kc2 25. Ke2 Kxb3 26. Kd3 g6 27. Kd2 Kc4 28. Kc1 g5 29. Kd2 $1 b3 30. Ne5+ Kb4 31. Kc1 Ka3 32. Kb1 $18) 25. Nxb4 Kc3 26. Na6 {(d5+)+- winning e.g.} Kxb3 27. Ke2 Kc4 28. Nc7 b4 29. Kd2 Kb3 30. Nd5 Kc4 31. Ne7 $1 Kb3 32. Nc6 Kc4 33. Na5+ Kd4 34. Nb3+ Kc4 35. Kc2 1-0
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[Event "Pervakov 60 JT, 4 hm"] [Site ""] [Date "2020"] [Round ""] [White "A.Sochnev"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "NK6/1P5p/8/8/2Pb3p/2p5/5P2/2k5 w - - 0 1"] [PlyCount "35"] 1. Kc8 $1 Ba7 2. Nc7 h3 3. Nb5 h2 4. Nxa7 h1=Q 5. b8=Q Qh3+ $1 (5... c2 6. Qb6 $1 Qe4 7. Nc6 $1 Kd1 8. Qd8+ Ke1 9. Qa5+ Kf1 (9... Ke2 10. Qh5+) 10. Qa1+ Kg2 11. Nd4 $11) 6. Kc7 $1 (6. Kd8 $2 Qd3+ $1 7. Kc7 (7. Ke7 c2 8. Nc6 Kd1 $19) 7... Qxc4+ $1 (7... c2 $2 8. Nc6 Kd1 9. Qg8 c1=Q 10. Qg1+ Kd2 11. Qg5+ Kd1 12. Qg1+ $11) 8. Nc6 Qf4+ $1 9. Kb7 Qxb8+ 10. Kxb8 h5 $1 11. f4 h4 12. f5 h3 13. f6 h2 14. f7 h1=Q 15. f8=Q Qxc6 $1 $19) 6... Qh2+ 7. f4 $3 ({Logical try:} 7. Kb7 $2 Qxb8+ 8. Kxb8 c2 9. c5 Kd1 $1 10. c6 c1=Q 11. c7 h5 12. c8=Q Qxc8+ 13. Kxc8 h4 14. Nc6 h3 15. Ne5 h2 16. Ng4 h1=Q $1 $19) 7... Qxf4+ 8. Kb7 $1 Qxb8+ 9. Kxb8 c2 10. c5 {A)} Kd1 ({B)} 10... Kd2 11. c6 c1=Q 12. c7 h5 13. c8=Q Qxc8+ 14. Kxc8 $1 h4 15. Nc6 h3 16. Ne5 h2 17. Nf3+ $1 $11) ({C)} 10... Kb1 {(Kb2)} 11. c6 c1=Q 12. c7 h5 13. c8=Q Qxc8+ 14. Nxc8 $1 h4 15. Ne7 {(Nd6)} h3 16. Nf5 h2 17. Ng3 Kc2 18. Kc7 Kd1 19. Kd6 Ke1 20. Ke5 Kf2 21. Kf4 Kg2 22. Kg4 $11) 11. c6 c1=Q 12. c7 h5 13. c8=Q Qxc8+ 14. Kxc8 $1 h4 15. Nc6 h3 16. Ne5 h2 17. Ng4 h1=Q 18. Nf2+ $1 $11 1/2-1/2
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[Event "Pervakov 60 JT, 5 hm"] [Site ""] [Date "2020"] [Round ""] [White "S.Nielsen"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "1r4k1/p3p3/qpR4P/n3p2P/2p1p3/4B3/Q1K5/8 w - - 0 1"] [PlyCount "37"] {How to get to the Black king?} 1. Kd1 $1 (1. Kc3 $2 Qb5 2. Qg2+ Kf8 3. Qg7+ Ke8 4. Qg8+ Kd7 5. Qe6+ Kd8 $1 (5... Ke8 $2 6. Rc8+ $18)) 1... Kh8 (1... Qb5 2. Qg2+ (2. Rc7) 2... Kf8 3. Qg7+ Ke8 4. Rc7 $18 (4. Rd6 $18)) 2. Qg2 Rg8 3. Rg6 Rd8+ (3... Qc8 4. Qxe4 $18) 4. Rd6 $1 (4. Bd4 $2 {eg} Nc6 $1 {Rg6 is in the way}) 4... Rg8 (4... Rxd6+ {eg} 5. Ke1 $18) 5. Rd8 $1 Rxd8+ 6. Bd4 $1 Rg8 (6... Rxd4+ 7. Ke1 (7. Kc2)) 7. Bxe5+ Kh7 8. Bg7 (8. Qxe4+ $2 Kxh6 $11) 8... Rd8+ 9. Bd4 Rg8 (9... Rxd4+ 10. Ke1 $1 (10. Kc2 Rd2+ 11. Kxd2 Nb3+ 12. Ke3 Qa1 $11)) 10. Qxe4+ Kxh6 11. Qf5 $1 b5 (11... Rg4 12. Be3+ Kg7 13. h6+ (13. Qxg4+)) 12. Be3+ Kg7 13. h6+ Qxh6 14. Bd4+ $1 {Last precise move. The bishop's third visit to d4.} (14. Bxh6+ $2 Kxh6 $11 {eg} 15. Qxb5 Rg5) 14... Qf6 15. Bxf6+ exf6 16. Qxb5 {The knight is lost.} Nb3 (16... Rd8+ 17. Ke1 Nb3 18. Qxc4) 17. Qxc4 (17. Qd7+ {loss of time}) 17... Rd8+ (17... Na1 {eg} 18. Kc1) 18. Ke1 (18. Kc2 $2 Nd4+ $11) (18. Ke2 Nd4+ $11) 18... Nd4 (18... Rb8 19. Qc7+) 19. Qc7+ 1-0
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[Event "Pervakov 60 JT, 6 hm"] [Date "2020"] [White "P.Kiryakov and P.Arestov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "6R1/8/2q5/8/8/8/kP2P2P/5K2 w - - 0 1"] [PlyCount "55"] 1. Rf8 $1 {Для создания крепости белым нужно перевести ладью на 3-ю горизонталь.} ({Плохо} 1. Rg3 Qh1+ 2. Kf2 Qxh2+) 1... Qc1+ $1 {Ферзь проникает на е1, чтобы помешать плану белых} (1... Qh1+ 2. Kf2 Qxh2+ 3. Kf1 Qh3+ 4. Kf2 Qh4+ 5. Kf1 {= c неминуемым Rf3}) 2. Kg2 (2. Kf2 Qc5+) 2... Qe1 $1 (2... Qg5+ 3. Kf1 Qc1+ 4. Kg2) 3. b4 $1 (3. Rf2 Kb3 $1 {Пешку необходимо оставить в живых, позже она послужит для защиты черного короля!} (3... Kxb2 4. Rf1 Qd2 5. Rf3 {= }) 4. Rf3+ Kc2 5. h3 Kd2 6. b3 Kxe2 {и если} 7. Rf6 {то возможно} Qh4 8. Re6+ Kd2 9. Rd6+ Kc2 10. Rc6+ Kb2 (10... Kxb3 $2 11. Rb6+ $1 {= см. решение})) 3... Kb3 4. Rf3+ Kc2 $1 {в случае} (4... Kxb4 {король отрезан по 3-й горизонтали и ничья очевидна, хотя бы после} 5. h3 {=}) 5. b5 Kd2 6. b6 $1 {ценой пешки белые отвлекают ферзя с поля е1} Qb1 (6... Kxe2 7. b7 Qb1 8. Rf2+ Ke3 9. Rf3+ $1 {= Король выгоняется на 4-ю горизонталь и для ничьи достаточно хотя бы} Ke4 10. Rg3 Qxb7 11. h3 {с крепостью}) 7. h3 $1 Qxb6 (7... Kxe2 8. Rf2+ Ke3 9. Rf3+ Ke4 10. Rg3 $1 {=}) 8. Kf1 Qb1+ 9. Kf2 $1 Qe1+ 10. Kg2 {Уникальная крепость! Черные в цугцванге} Kxe2 (10... Kc2 11. Rf4 $1 {Цугцванг} Kc3 12. Rf2 $1 {И снова цугцванг -черные не могут усилить позицию} (12. Rf3+ Kd2 $1 {и в цугцванге белые}) 12... Qc1 13. Rf3+ Kd2 14. Kf2 Qe1+ 15. Kg2 {=}) 11. Rf6 $1 {только сюда!} (11. Rf4 Qd1 $1 12. Re4+ (12. Rf2+ Ke3 {и нет Rf3+.}) 12... Kd3) (11. Rf5 Qh4) (11. Rf7 Qh4 {нет Re7+}) (11. Rf8 Qh4 12. Re8+ Kd3 { нет Rd8+}) 11... Qh4 12. Re6+ Kd2 13. Rd6+ Kc3 (13... Ke3 14. Re6+ Kf4 15. Rg6 $1 Ke3 16. Re6+ $1 {=}) 14. Rc6+ Kb4 15. Rb6+ Ka4 16. Ra6+ {Позиционная ничья! Как только король идет на 5-ю горизонталь, ладья спускается на 3-ю,} Kb4 17. Rb6+ Kc4 18. Rc6+ Kd4 19. Rd6+ Ke5 20. Rd3 $1 Qe4+ 21. Rf3 {= финальная крепость построена! Например} Kd4 22. Kf2 Qc2+ 23. Kg1 $1 Qd1+ 24. Kg2 Qe2+ 25. Rf2 Qe4+ 26. Rf3 Ke5 27. Kf2 $1 Kd4 28. Kg2 $1 {= позиционная ничья.} 1/2-1/2
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[Event "Pervakov 60 JT, 7 hm"] [Site ""] [Date "2020"] [Round ""] [White "S.Tkachenko and N.Rezvov"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/3k4/P7/8/2p4K/5p2/Rp2B3/7b w - - 0 1"] [PlyCount "23"] 1. Bd3 $1 (1. Rxb2 $2 fxe2 2. Rxe2 c3 3. Ra2 Kc7 4. a7 Ba8 5. Kg4 Kb6 6. Kf4 c2 $1) 1... cxd3 2. Rxb2 f2 $1 (2... Kc7 3. Rb1 Bg2 4. Kg3) 3. Rxf2 Kc7 4. Rb2 $1 (4. Ra2 $2 Kb6 5. a7 Ba8 6. Kg3 d2 $1) 4... d2 $1 5. Rxd2 Kb8 $1 (5... Kb6 6. Rd6+) 6. Kg3 $3 (6. Rd6 Bf3 (6... Bg2) 7. Kg3 Be2 8. Kf2 Bc4 9. Ke3 Ka7 10. Kd4 Bxa6 11. Kc5 Bb7) (6. Kg4 $2 Ka7 7. Rd6 Bg2 8. Kf4 Bf1 9. Ke5 Bxa6 10. Kd5 Bb7+) 6... Ka7 (6... Bc6 7. Rd6 Bb5 8. Rb6+) 7. Rd6 $1 Be4 8. Kf4 $1 (8. Kf2 $2 Bf5 $1 9. Ke3 Bc8 10. Kd4 Bxa6 11. Kc5 Bb7) 8... Bg2 9. Ke5 Bf1 10. Kd5 Bxa6 11. Kc6 $1 Bb7+ 12. Kc7 1-0
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[Event "Pervakov 60 JT, 8 hm"] [Site ""] [Date "2020"] [Round ""] [White "A.Gasparyan"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "1K3n2/4p1R1/2kpP3/1b4R1/4P3/8/3b4/8 w - - 0 1"] [PlyCount "17"] 1. Rg2 $1 (1. Rd5 $2 Nxe6 2. Rxe7 Ba5 $1 3. Rxe6 Bc7+ 4. Ka8 Ba6 $1 5. Re7 Kb6 6. Rxc7 Kxc7 $11) 1... Bf4 $1 (1... Nxe6 2. Rxe7 Ba5 (2... Bf4 3. Rxe6 Kc5 4. Kc7 Kd4 5. Kb6 Bc4 6. Re8 Bd3 7. Rg4) 3. Rxe6 Bc7+ 4. Ka8 Kd7 5. Rf6 $18 ) 2. Rc2+ $1 (2. Rxe7 $2 d5+ 3. Ka7 Be3+ 4. Ka8 Kd6 5. Rb7 Nxe6 $11) 2... Kb6 3. Rxe7 d5+ $1 4. Ka8 $1 (4. Kc8 $2 Ba6+ 5. Kd8 dxe4 6. Ke8 e3 $1 $11) (4. e5 $2 Bxe5+ 5. Ka8 Bc6+ 6. Rxc6+ Kxc6 7. Rc7+ Kxc7 8. e7 Nd7 $11) 4... Bc6+ 5. Rxc6+ Kxc6 6. Rc7+ $1 Kd6 $1 (6... Kxc7 7. e7 Bd6 8. e8=Q) (6... Bxc7 7. e7 Ne6 8. e8=Q+) 7. e7 Ne6 $1 8. e5+ $1 (8. e8=N+ $2 Ke5 $11) 8... Bxe5 9. e8=N# $1 1-0
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[Event "Pervakov 60 JT, 9 hm"] [Site ""] [Date "2020"] [Round ""] [White "M.Minski"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/RB6/5b2/8/8/3b2K1/1p4R1/5k2 w - - 0 1"] [PlyCount "15"] 1. Ra2 $1 {ambush} (1. Rf2+ $2 Ke1 2. Rxf6 b1=Q $11) 1... Be5+ (1... Bh4+ $1 2. Kh2 $1 $18 (2. Kxh4 $2 b1=Q $11)) (1... b1=Q 2. Raf2+ Ke1 3. Rg1+) 2. Kf3 (2. Kg4 $2 b1=Q 3. Raf2+ Ke1 4. Rg1+ Kxf2 $11) 2... Be2+ $1 (2... b1=Q 3. Raf2+ Ke1 4. Rg1+) 3. Rxe2 b1=Q 4. Rf2+ Kg1 (4... Ke1 5. Rae2+ Kd1 6. Rf1#) 5. Rg2+ Kh1 6. Rh2+ $1 Bxh2 7. Ra1 $1 Qg1 (7... Qxa1 8. Kf2#) 8. Ke2# {pin model mate with self-block} 1-0
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[Event "Pervakov 60 JT, 10 hm"] [Site ""] [Date "2020"] [Round ""] [White "A.Avni"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/6B1/B1P3pp/7k/1q2P2N/5P2/6K1/8 w - - 0 1"] [PlyCount "19"] 1. c7 (1. Nf5 gxf5 2. c7 Qd2+ $11 {e.g.} 3. Kh3 Qf2 4. c8=Q Qxf3+ 5. Kh2 Qf2+ 6. Kh1 Qe1+ 7. Kh2 Qf2+ 8. Kh1 Qe1+ 9. Kg2 Qxe4+ 10. Kf2 Qf4+ $11 { winning Bg7}) (1. Bf6 Qd6 $11 2. e5 Qxc6 3. Bd3 g5) 1... Qd2+ 2. Kh3 $1 (2. Kg3 Qd6+) 2... Qd7+ 3. Nf5 $1 (3. Kg3 Qxc7+ (3... Qd6+ $11)) 3... Qxc7 4. Be5 $1 { attacks the Q while evacuating g7 for his knight} Qd7 (4... Qxe5 5. f4 $18 Qe6 (5... Qc3+ 6. Ng3+) (5... Qxf4 6. Ng7+) 6. Be2#) 5. Bb5 $1 {all three white officers, one after the other, were put "en prise"} Qe6 (5... Qc8 6. Bc4 $1 { main} gxf5 7. Bf7+ Kg5 8. f4#) 6. Bc4 $1 { and now all three white officers are simultaneously under attack} Qd7 (6... Qxe5 7. f4 $18) 7. Bf7 $1 (7. Bb5 Qe6 {just prolongs}) 7... Qxf7 (7... Kg5 8. Kg3 $1 $18 ({but not} 8. f4+ $2 Kh5 9. Bd6 Qxf5+ $1 10. exf5 {stalemate}) 8... gxf5 9. f4#) 8. Ng7+ (8. Ng3+ $2 Kg5 9. f4+ Qxf4 10. Bxf4+ Kxf4 $11) 8... Kg5 9. f4+ Qxf4 10. Ne6+ 1-0
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[Event "Pervakov 60 JT, special hm"] [Site ""] [Date "2020"] [Round ""] [White "V.Kuzmichev"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "5K2/7p/8/8/7P/8/1bk5/8 w - - 0 1"] [PlyCount "25"] 1. h5 $1 (1. Kg8 $2 h6 $1 2. Kh7 Bc1) 1... h6 2. Kf7 $1 Kd3 3. Kg6 $1 Bc1 4. Kf5 Ke3 5. Ke5 Bb2+ 6. Kd5 Kd3 7. Kc5 Bc3 8. Kb5 Kd4 9. Ka4 Kc4 10. Ka3 Bd4 11. Ka2 Kb4 12. Kb1 Kb3 13. Kc1 1/2-1/2
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[Event "Pervakov 60 JT, special hm"] [Site ""] [Date "2020"] [Round ""] [White "Timman"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "B5r1/1P6/2R4K/8/8/7p/4p1pp/7k w - - 0 1"] [PlyCount "13"] 1. Rc1+ g1=B ({Main:} 1... g1=N 2. b8=B+ $1 (2. b8=R+ Rg2 3. Rb7 Rg8 $11) 2... Rg2 3. Bg3 e1=Q 4. Bxe1 $18 {eg} Ne2 5. Ra1 Ng1 6. Be4 Ne2 7. Bh4+ Ng1 8. Ra2 Ne2 9. Rxe2 Kg1 10. Re1#) (1... g1=Q 2. b8=Q+ (2. b8=R+) 2... Rg2 3. Qb1 $18) 2. b8=R+ $1 (2. b8=B+ Rg2 3. Bg3 e1=Q 4. Bxe1 Be3+ $11 {eg} 5. Kh5 Bxc1 6. Bf2 Be3) (2. b8=Q+ Rg2 3. Bxg2+ hxg2 $11) 2... Rg2 3. Rb7 $1 Rg8 4. Rc8 Be3+ ({ Main:} 4... Rg2 5. Re8 e1=Q 6. Rxe1 Ra2 7. Ra1 $1 Rxa1 (7... Rxa8 8. Rxa8 Kg2 9. Rb2+ Bf2 10. Rg8+ Kf3 11. Rf8+ Ke4 12. Rb4+ Ke5 13. Re8+ Kd6 14. Rd8+ Ke7 15. Rd1 $18) 8. Ra7#) (4... e1=Q 5. Rg7+ $18) 5. Kh7 Rg2 6. Rb1+ Bg1 7. Rc6 $1 {Switchback} 1-0
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[Event "Pervakov 60 JT, commendation"] [Site ""] [Date "2020"] [Round ""] [White "Y.Afek and A.Avni"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/4P1pQ/2N1qk2/8/5p1K/8/2P5/8 w - - 0 1"] [PlyCount "33"] 1. Qf5+ $3 Qxf5 (1... Kxf5 2. Nd4+ $18) 2. e8=N+ $1 Kf7 3. Nd6+ Ke6 4. Nxf5 Kxf5 5. Nd4+ Ke4 6. Nb3 $1 Kd5 (6... g5+ 7. Kxg5 f3 8. Nd2+ Kd4 9. Nxf3+ Kc3 10. Ne1 $18) 7. Nd2 $1 g5+ 8. Kh3 $3 (8. Kxg5 $2 Kd4 9. c4 f3 $11) ( 8. Kg4 $2 Kd4 9. c4 Kc5 $1 {Reciprocal Zugzwang!} 10. Kf3 Kd4 $11 {Reciprocal Zugzwang} 11. Kg4 Kc5 {Positional draw.}) 8... Kd4 (8... Kc5 9. c3 $1 $18) 9. c4 Kd3 10. Kg4 $1 (10. c5 $2 Kxd2 11. c6 f3 $11) 10... Kd4 (10... Kxd2 11. Kf3 $1 $18) 11. Kf3 Ke5 (11... Kc5 12. Ke4 $18) 12. Nb3 {Here and on the subsequent moves, other white choices are just a loss of time.} (12. c5 $2 Kf5 $1 {Paradoxically moving away from the white pawn.} (12... Kd5 $2 13. Nb3 $18) 13. c6 g4+ $11 {with an eventual ...Ke6=.}) 12... Kf5 13. Nd4+ Ke5 14. c5 Kd5 15. c6 Kd6 16. Ke4 Kc7 17. Kd5 1-0
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[Event "Pervakov 60 JT, commendation"] [Site ""] [Date "2020"] [Round ""] [White "I.Aliev"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/6b1/3pk1r1/3Np3/4P3/5P2/5K2/R7 w - - 0 1"] [PlyCount "17"] 1. Ra7 {(Threat 2.Ra7#)} Bf6 (1... Bf8 2. f4 Rf6 (2... exf4 3. Nxf4+ Kf6 4. e5+ $1 dxe5 5. Ra6+ Kf5 6. Nxg6) 3. f5+) 2. f4 {(Threat 3.f5#)} Bh4+ (2... exf4 3. Nxf4+ Ke5 4. Nxg6+) 3. Kf1 $1 (3. Kf3 $2 Rg3+) (3. Ke3 $2 Rg3+) (3. Ke2 $2 Rg2+) 3... exf4 4. Nxf4+ Kf6 5. e5+ $1 (5. Nxg6 $2 Kxg6 6. Rd7 Bg3 $11 ) 5... dxe5 (5... Kxe5 6. Nxg6+) (5... Kg5 6. Nxg6 Kxg6 7. exd6 $18) 6. Ra6+ Kf7 (6... Kf5 7. Nxg6 Bf6 8. Nf8 $18) 7. Nxg6 Bf6 8. Nf8 $1 Kxf8 9. Rxf6+ 1-0
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[Event "Pervakov 60 JT, commendation"] [Site ""] [Date "2020"] [Round ""] [White "Y.Bazlov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "6qN/1P1Q4/1p6/4p3/p4k2/2p5/1p2B3/3K4 w - - 0 1"] [PlyCount "19"] 1. Ng6+ $1 Qxg6 2. Qd4+ $1 exd4 3. b8=Q+ Ke4 4. Bd3+ $1 Kxd3 5. Qg3+ $1 Kc4 6. Qxg6 Kb3 $1 7. Qc2+ Ka3 8. Qb1 Kb3 9. Qc2+ Ka3 10. Qb1 1/2-1/2
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[Event "Pervakov 60 JT, commendation"] [Site ""] [Date "2020"] [Round ""] [White "M.Croitor"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/7p/8/2B3qp/8/5PkP/p5P1/R5K1 w - - 0 1"] [PlyCount "13"] 1. Bd6+ Kh4 2. Kh2 Qg7 3. Bf4 Qb2 4. Re1 a1=Q 5. Re4 Qab1 (5... Qc2) ( 5... Qxg2+ 6. Kxg2 Qg7+ 7. Kh2 Qb7) 6. Bd2+ Qxe4 7. g3# 1-0
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[Event "Pervakov 60 JT, commendation"] [Site ""] [Date "2020"] [Round ""] [White "M.Prusikin"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/2q1r3/8/Q4p1p/p6k/8/2pK3P/2B1R3 w - - 0 1"] [PlyCount "15"] 1. Qb4+ $1 ({logical try:} 1. Qxa4+ $2 Re4 2. Rxe4+ fxe4 3. Qxe4+ Kh3 4. Ke2 Qg7 5. Qf3+ Kh4 6. Bb2 {position X without the wPa4} Qe7+ $11 7. Kd2 c1=Q+ 8. Kxc1 Qg5+ 9. Kc2 Qg2+ (9... Qf5+ $11) 10. Qxg2 {Stalemate!}) 1... Re4 2. Rxe4+ fxe4 3. Qxe4+ Kh3 4. Ke2 $1 Qg7 (4... Qxh2+ 5. Kf1 Qg3 6. Bf4 c1=Q+ 7. Bxc1 Qg4 8. Bf4 $1 Qd1+ 9. Kf2 $18) 5. Qf3+ Kh4 6. Bb2 $1 {position X} c1=Q ( 6... Qe7+ 7. Kd2 $18 c1=Q+ (7... Qg5+ 8. Kxc2 $18) 8. Kxc1 Qc5+ 9. Kd2 $18) ( 6... c1=N+ 7. Kf1 $1 $18) 7. Bf6+ $1 Qcg5 8. Qg3# 1-0
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[Event "Pervakov 60 JT, commendation"] [Site ""] [Date "2020"] [Round ""] [White "G.S.T.Ostmoe"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "3b4/6r1/k1n5/6r1/2N5/1K6/2N2Q2/2Bn4 w - - 0 1"] [PlyCount "12"] 1. Nb4+ $1 (1. Qd2 $2 Rb7+ 2. Ka2 Rd5 $1 3. Qxd5 Nc3+ {wins.}) (1. Qe1 $2 Rb7+ 2. Ka2 Rg1 $1 3. Qxg1 (3. Qd2 Bf6) 3... Nc3+ 4. Ka3 Be7+ {wins.}) 1... Nxb4 2. Qd4 Rg3+ 3. Kxb4 Be7+ 4. Nd6 R7g4 5. Bf4 Nb2 $1 {Preventing both 6. Qc4+ and 6. Qa1+. Other moves even lose for Black.} 6. Qb6+ $1 (6. Qxb2 $2 Bxd6+ {wins.}) (6. Kc5 $2 Rc3+ $1 7. Qxc3 Na4+ {wins.}) 6... Kxb6 {Mirror stalemate with two pins. } 1/2-1/2
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[Event "Pervakov 60 JT, commendation"] [Site ""] [Date "2020"] [Round ""] [White "V.Kalashnikov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "2rk4/8/N6P/6K1/8/N7/4b3/8 w - - 0 1"] [PlyCount "15"] 1. h7 Ke7 2. Kh6 $3 ({Try} 2. Kg6 $2 Bd3+ 3. Kg7 Rc6 $1 4. h8=Q Rg6+ { and ending study of P.Babich and R.Khatyamov 1990 Year:} 5. Kh7 Kf7 6. Nb4 ({or} 6. Nc5 Bf5 $1 7. Qe5 Rf6+ 8. Qxf5 Rxf5 9. Kh6 Rxc5 $19 {, third variant with duals on EGTB}) 6... Be4 $1 7. Qd4 Re6+ 8. Qxe4 Rxe4 9. Kh6 Rxb4 10. Nc2 Re4 $1 $19) 2... Rc6+ $1 3. Kg5 $1 Rc8 4. Kh6 Kf7 ({Main B} 4... Kf6 5. Nc5 $1 ({Try} 5. Nc7 $6 Bd3 $1 6. Nd5+ Kf7 7. Nf4 Rc6+ 8. Kg5 Bxh7 $19) 5... Kf7 $1 6. Ne6 $1 {sacrifice} Kxe6 7. Kg7 {S-S}) (4... Rc6+ 5. Kg5 {positional draw}) 5. Nc7 $1 Bd3 (5... Rb8 6. Ne6 $1 Bd3 7. Ng5+ $11) 6. Nab5 Rd8 (6... Rh8 7. Nd6+ Ke7 8. Nd5+ Kxd6 9. Nf6 Ke6 10. Kg7 $11) 7. Ne8 $1 {sacrifice} Rxe8 8. Nd6+ 1/2-1/2
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[Event "Pervakov 60 JT, commendation"] [Site ""] [Date "2020"] [Round ""] [White "M.Minski"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "6rk/Rn4q1/4QRP1/8/7B/1K6/3p3p/8 w - - 0 1"] [PlyCount "17"] 1. Qd5 $1 {(threatens 2.Qh5+)} (1. Qg4 $2 Rd8 $1 2. Ra1 (2. Qh5+ Kg8 3. Rf1 d1=Q+ 4. Rxd1 Rxd1 5. Qxd1 Nc5+ 6. Kc4 Qxa7 $11) (2. Rf1 Rd3+ $1 3. Ka2 d1=Q 4. Ra8+ Nd8 5. Rxd1 Qg8+ 6. Ka1 Qg7+ 7. Ka2 Qg8+ $11) 2... Na5+ $1 3. Ka3 Nb3 $1 4. Qh5+ Kg8 5. Raf1 (5. Qh7+ Qxh7 6. gxh7+ Kxh7) 5... d1=Q 6. Rxd1 Rxd1 7. Qxd1 Nd2 $1 8. Qxd2 Qa7+ 9. Kb4 Qb7+ 10. Ka5 (10. Kc5 Qc8+ 11. Rc6 Qxc6+ 12. Kxc6 h1=Q+ $11) 10... Qa8+ 11. Ra6 h1=Q 12. Rxa8+ Qxa8+ $11) (1. Qe2 $2 Rd8 2. Qh5+ Kg8 3. Rf1 d1=Q+ 4. Rxd1 Rxd1 5. Qxd1 Nc5+ 6. Kc4 Qxa7 $11) 1... Rd8 2. Rd6 $1 (2. Qh5+ $2 Kg8 3. Rf1 d1=Q+ 4. Rxd1 Rxd1 5. Qxd1 Nc5+ 6. Kc4 Qxa7 $11) 2... Rxd6 3. Ra8+ Nd8 $1 4. Bxd8 $1 {with a lethal battery} (4. Qxd6 $2 d1=Q+ 5. Qxd1 Qb7+ $11) 4... d1=Q+ $1 (4... Qb7+ $1 5. Bb6+ $1 Qxa8 6. Bd4+ $18) ( 4... Rxd5 5. Bf6+ Rd8 6. Rxd8#) 5. Qxd1 Rd3+ $1 (5... Qb7+ 6. Bb6+ $1 Qxa8 7. Qxd6 Kg7 8. Bd4+ $18) 6. Ka2 $3 ({try} 6. Qxd3 $2 h1=Q 7. Bf6+ (7. Qh3+ $4 Qxh3+ $19 {with check!}) 7... Qxa8 8. Bxg7+ Kxg7 $11) 6... Rd2+ (6... Qg8+ 7. Kb2 Qb3+ (7... Rxd1 8. Bf6#) (7... Qg7+ 8. Bf6+) 8. Qxb3 Rxb3+ 9. Kxb3 h1=Q 10. Bf6#) (6... Qf7+ 7. gxf7 $18) 7. Qxd2 h1=Q 8. Qh6+ $3 {the point} Qgxh6 ( 8... Qhxh6 9. Bf6#) (8... Kg8 9. Qxh1 $18) 9. Bf6# 1-0
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[Event "Dedication"] [Site ""] [Date "2020"] [Round ""] [White "O.Pervakov"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "7r/7q/2N4p/1p3b1k/1P3P2/P5p1/2QBK1PP/4N3 w - - 0 1"] [PlyCount "49"] 1. Qc1 $1 {Другие отходы ферзя неудачны:} (1. Qd1 $2 Bg4+ 2. Nf3 Qe4+ $1 $11) (1. Qc5 $2 gxh2 $11) 1... Re8+ $1 ({На} 1... Bg4+ 2. Nf3 Re8+ { достаточно для выигрыша и} 3. Be3 $18) (1... gxh2 2. Nf3 $18) 2. Ne5 (2. Be3 $2 gxh2 3. Nf3 Qg7 4. Qh1 Qb2+ 5. Nd2 Rxe3+ 6. Kxe3 Qc3+ $19) 2... Bg4+ 3. N1f3 Qe4+ 4. Be3 $1 ({На} 4. Kf1 $2 {заготовлено} Rxe5 $1 5. Nxe5 Qe2+ 6. Kg1 { с феерическим} Bh3 $3 $19) 4... Rc8 $1 5. Qh1 $1 {Создавая грозную батарею "ферзь + пешка"} Bxf3+ ({Размен необходим. После} 5... Rc2+ {правильно только} 6. Kd1 $1 ({но не} 6. Kf1 $2 Bh3 $3 7. hxg3 Rc1+ 8. Bxc1 Qe1+ $1 9. Nxe1 $11 { , пат со связкой слона}) 6... Bxf3+ (6... Bh3 7. Nd2 $1 $18) 7. Nxf3 Ra2 8. hxg3+ Kg6 9. f5+ $1 $18) 6. gxf3 ({Легкая ничья при} 6. Nxf3 $2 Qc4+ $1 $11) 6... Rc2+ 7. Kf1 $1 ({Уже не выигрывает} 7. Kd1 $2 Rc1+ $1 8. Bxc1 Qd4+ 9. Nd3 Qxd3+ 10. Ke1 Qc3+ $1 11. Ke2 Qc4+ 12. Ke3 Qc3+ {с вечным шахом. Кажется, контригра черных зашла в тупик, но у них в запасе фантастическая мини-комбинация...}) 7... Rf2+ $1 (7... Qxe3 8. hxg3+ {, и мат}) 8. Bxf2 Qe1+ $3 9. Kxe1 $1 ({Неизбежен пат при} 9. Bxe1 $2 g2+ $11) 9... g2 $1 { Любой ход ферзя ведет к пату, черные торжествуют? Не тут-то было!} 10. Bg1 $3 gxh1=Q 11. Kf2 $1 {Как кардинально поменялась ситуация! Теперь в плену новорожденный черный ферзь. Остается уповать на патовые мотивы} Kh4 12. Ng4 $1 ({Лишь потеря времени} 12. Nd3 Kh3 $1 13. Ne1 Kh4 $1 14. Nc2 ({после} 14. f5 $2 Kg5 15. Nc2 h5 $1 $11 {победа и вовсе упущена}) 14... Kh3 15. Ne3 {и т.д.}) 12... Kh3 13. Ne3 h5 $1 ({После} 13... Kh4 14. f5 $1 Kg5 15. f6 $1 Kxf6 16. Nf1 h5 17. Ng3 $18 {бедолага-ферзь гибнет в углу}) 14. f5 h4 15. a4 $1 bxa4 16. f6 a3 17. f7 a2 18. f8=Q Qxg1+ 19. Kxg1 a1=Q+ 20. Kf2 $1 ({Белые начеку:} 20. Nf1 $2 Qg7+ 21. Qxg7 $11 {, пат}) 20... Qg1+ $1 21. Ke2 $1 Qxh2+ 22. Ke1 $1 ({Выход в центр надо подготовить:} 22. Kd3 $2 Qd6+ $1 23. Qxd6 $11 {, еще один пат}) 22... Qg1+ 23. Kd2 $1 (23. Nf1 $2 Qf2+ $1 24. Kxf2 {, снова пат}) 23... Qh2+ 24. Kc1 $1 ({В центр по-прежнему рано:} 24. Kc3 $2 Qe5+ $1 25. Kd3 Qd6+ $11) 24... Qg1+ 25. Nd1 $1 (25. Kc2 $2 Qxe3 $11) 1-0
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