[Event "CT Problema"] [Site "Chesstempo.com"] [Date "2023.06.14"] [Round "?"] [White "player"] [Black "126833398"] [Result "*"] [Annotator "https://lichess.org/@/ajedrezhoy"] [SetUp "1"] [FEN "5r1k/R5p1/2P4p/3Q4/1q3P2/p5P1/6KP/8 b - - 0 1"] [PlyCount "19"] [EventDate "2023.??.??"] 1... Qb6 2. Rb7 ({Qa6} 2. c7 {Qe2+ Kh3 Qf1+ Kh4 Qe2 Qe5 Qxh2+ Kg4 Qd2 c8=Q Qd1+ Kh4 Qh1+ Qh3} Qb7) (2. Qd6 Qxa7 3. Qxf8+ Kh7 4. Qf5+ Kh8 5. Qc8+ Kh7 6. c7 Qc5 7. Qd7 a2 8. Qd3+ Kh8 9. Qd8+ Kh7 10. c8=Q Qxc8 11. Qxc8) (2. Ra4 Rd8 3. Qf3 Qb2+ 4. Kh3 a2 5. c7 Rg8 6. Ra8 Qc2 7. Rxg8+ Kxg8 8. Qa8+ Kh7 9. c8=R Qxc8+ 10. Qxc8) (2. Qd7 Qb2+ {no la vi} (2... Rg8 3. c7 Qc5 4. f5 $18 {era mi idea}) 3. Kh3 a2 4. c7 a1=Q 5. Rxa1 Qxa1 6. c8=Q Rxc8 7. Qxc8+ Kh7 8. Qf5+ Kg8 9. Qd5+ Kf8) (2. Ra5 Rd8 3. Qc5 Qxc5 4. Rxc5 a2 5. c7 Rc8 6. Ra5 Rxc7 7. Rxa2 g6 8. g4 Kg7 9. Kf3 Kf7) 2... Qa6 ({c7 Qe2+ Kh3 Qf1+ Kh4 Qe2 Qe5 Qxh2+ Kg4 Qd2 c8=Q Qd1+ Kh4 Qh1+ Qh3} 2... Qxb7) (2... Qe3 3. c7 Qe2+ 4. Kh3 Qf1+ 5. Kh4 Qe2 6. Qe5 Qxh2+ 7. Kg4 Qd2 8. c8=Q Qd1+ 9. Kh4 Qh1+ 10. Qh3 Qxb7) (2... Qb2+ 3. Rxb2 axb2 4. Qa2 Rc8 5. Qxb2 Rxc6 6. Kf3 Rc5 7. Qd4 Rc1 8. f5 Kh7 9. Qd3 Kg8 10. Ke3 Re1+) (2... Qd8 3. Qxd8 Rxd8 4. c7 Rd2+ 5. Kf3 Rc2 6. Rb8+ Kh7 7. c8=Q Rxc8 8. Rxc8 g6 9. Ra8 h5 10. Rxa3 Kg7) (2... Rd8 3. Rxb6 Rxd5 4. c7 Rd2+ 5. Kf3 Rc2 6. Rb8+ Kh7 7. c8=Q Rxc8 8. Rxc8 g6 9. Ra8 h5 10. Rxa3 Kg7) 3. c7 ({Qe2+} 3. Kh3 Qf1+ 4. Kh4 Qe2 5. Qe5 Qxh2+ 6. Kg4 Qd2 {c8=Q Qd1+} 7. Kh4 {Qh1+ Qh3 Qxb7}) (3. Qb5 Qxb5 4. Rxb5 Rc8 5. Rb6 g6 6. Ra6 Kg7 7. Kf3 a2 8. Rxa2 Rxc6 9. Ke4 Kf6 10. Kd4 Rd6+) (3. Rb1 Rc8 4. Rc1 Qa8 5. Rc2 Rb8 6. Qa2 Rb2 7. Rxb2 Qxc6+ 8. Kf2 axb2 9. Qxb2 Kg8 10. Qb3+ Kf8) (3. Qc5 Qe2+ 4. Qf2 Qe4+ 5. Qf3 Qc2+ 6. Kh3 a2 7. Ra7 Qb1 8. Qa3 Qf5+ 9. Kg2 Qc2+ 10. Kh3 Qf5+) (3. Qd7 Rg8 4. Ra7 Qe2+ 5. Kg1 Qe1+ 6. Kg2 Qe2+) 3... Qe2+ ({Kh3} 3... Qf1+ {Kh4 Qe2 Qe5 Qxh2+ Kg4 Qd2 c8=Q Qd1+ Kh4 Qh1+ Qh3 Qxb7}) (3... Qa8 4. Rb5 $1 $18 {no la vi} Qe8 5. Rb8 Qxb8 6. cxb8=Q Rxb8 7. Kf3 Rb2 8. Qd8+ Kh7 9. Qd3+ Kg8 10. Qxa3 Rxh2) (3... Rc8 4. Rb8 Qe2+ 5. Kh3 Qe8 6. Qd8 Qxd8 7. cxd8=Q+ Rxd8 8. Rxd8+ Kh7 9. Ra8 Kg6 10. Kg4 Kf6 ) (3... Kh7 4. Qe4+ Kh8 5. Rb8 Qd6 6. Rxf8+ Qxf8 7. Qe6 Qa8+ 8. Kh3 Kh7 9. c8=Q Qxc8 10. Qxc8 g6) (3... Qf6 4. Rb8 Qb2+ 5. Rxb2 axb2 6. Qd8 Rxd8 7. cxd8=Q+ Kh7 8. Qd3+ Kh8 9. Qb3 h5 10. Qxb2) 4. Kh3 ({Qf1+ Kh4 Qe2 Qe5 Qxh2+ Kg4 Qd2 c8=Q Qd1+ Kh4 Qh1+ Qh3 Qxb7 Qhe6 Qh1+ Kg4} 4. Kg1 a2 5. Qa5 Qd1+ 6. Kg2 a1=Q 7. Qxa1 Qxa1 8. Rb8 Qa2+ 9. Kf3 Qd5+ 10. Ke3 Qc5+ 11. Ke2 Kg8 12. Rxf8+ Kxf8) (4. Kh1 Qf1#) 4... Qf1+ ({Kh4 Qe2} 4... Qe5 {Qxh2+} 5. Kg4 {Qd2 c8=Q Qd1+ Kh4 Qh1+ Qh3 Qxb7 Qhe6 Qh1+}) (4... Qe8 5. Rb8 Qxb8 6. cxb8=Q Rxb8 7. Qa5 Rb3 8. Qc5 Rb2 9. Qf8+ Kh7 10. Qxa3 Rd2 11. f5 Re2) (4... g5 5. Qe5+ Qxe5 6. fxe5 g4+ 7. Kh4 a2 8. Rb8 a1=Q 9. Rxf8+ Kg7 10. c8=Q Qxe5 11. Kxg4 Qe2+) (4... Rc8 5. Rb8 Qe8 6. Qd8 Qxd8 7. cxd8=Q+ Rxd8 8. Rxd8+ Kh7 9. f5 g5 10. Rd7+ Kg8 11. Kg4 Kf8) (4... Qa6 5. Rb8 Rc8 6. Qf5 Rg8 7. Rxg8+ Kxg8 8. c8=Q+ Qxc8 9. Qxc8+ Kh7 10. f5 h5 11. Qd7 Kg8) 5. Kh4 ({Qe2 Qe5 Qxh2+} 5. Kg4 {Qd2 c8=Q} Qd1+ 6. Kh4 Qh1 { Qh3 Qxb7 Qhe6} 7. Qxh1 {Kg4 Qd1+}) (5. Qg2 Qc4 6. Rb8 Rg8 7. Rxg8+ Qxg8 8. Qc2 a2 9. c8=Q a1=Q 10. f5 Qd4 11. Q2c3 Qxc8 12. Qxc8+ Kh7) (5. Kg4 Qe2+ 6. Kh3 Qf1+) 5... Qe2 ({Qe5 Qxh2+ Kg4 Qd2 c8=Q} 5... Qd1 {Kh4} 6. Qh1 {Qh3 Qxb7 Qhe6} Qxh1 7. Kg4 Qd1+) (5... Qg1 6. Rb8 Qxh2+ 7. Kg4 Qe2+ 8. Kh3 Qe8 9. Rxe8 Rxe8 10. Qd8 Rg8 11. c8=Q Rxd8 12. Qxd8+) (5... Qf2 6. Rb8 Qxh2+ 7. Kg4 Qe2+ 8. Kh3 Qe8 9. Rxe8 Rxe8 10. Qd8 Rg8 11. c8=Q Rxd8 12. Qxd8+ Kh7) (5... Qa6 6. Rb8 Qf6+ 7. Kg4 Kh7 8. Rxf8 Qxf8 9. Qd3+ g6 10. Qd7+ Kg8 11. c8=Q Qxc8 12. Qxc8+) (5... Qe1 6. Rb8 Qe7+ 7. Kg4 Kh7 8. Rxf8 Qxf8 9. Qd3+ g6 10. Qd7+ Kg8 11. c8=Q Qxc8 12. Qxc8+) 6. Qe5 ({Qxh2+ Kg4} 6. Qd2 {c8=Q} Qd1 {Kh4 Qh1+ Qh3 Qxb7 Qhe6 Qh1+ Kg4} 7. Qxd1 {Qe2}) (6. Kh3 Qf1+ 7. Qg2 Qc4 8. Rb8 Rg8 9. Rxg8+ Qxg8 10. f5 a2 11. Qxa2 Qxa2 12. c8=Q+ Kh7 13. Qd7) (6. Rb8 g5+ 7. Kh3 Qh5+ 8. Kg2 Qe2+ 9. Kg1 Qe1+ 10. Kg2 Qe2+) (6. Qd6 Qxh2+ 7. Kg4 Qe2+ 8. Kh3 Qh5+ 9. Kg2 Qe2+ 10. Kg1 Kh7 11. Qe5 Qf3 12. Qxg7+ Kxg7 13. c8=Q+ Rf7 14. Rxf7+ Kxf7 15. Qd7+ Kf8 16. Qd8+ Kf7 17. Qd7+) (6. h3 a2 7. Ra7 Qe7+ 8. Kg4 Qe2+ 9. Kh4) 6... Qxh2+ ({Kg4} 6... Qd2 7. c8=Q Qd1 {Kh4 Qh1+} 8. Qh3 {Qxb7 Qhe6} Qh1 9. Kg4 Qd1+ 10. Qe2) ( 6... Qxe5 7. fxe5 a2 8. Rb8 Kg8 9. Rxf8+ Kxf8 10. c8=Q+ Ke7 11. Qa6 Kd8 12. Qxa2 Ke7 13. Kh5) (6... a2 7. Qxe2 a1=Q 8. Qe7 Qf6+ 9. Qxf6 gxf6 10. Rb8 Kg7 11. Rxf8 Kxf8 12. c8=Q+ Ke7 13. Qc7+) (6... Qa2 7. c8=Q Qxh2+ 8. Qh3 Qxh3+ 9. Kxh3 Rg8 10. Qa1 a2 11. f5 Kh7 12. f6 h5) (6... Qb2 7. Rxb2 axb2 8. Qxb2 Kg8 9. Qb3+ Kh8 10. Qc3 Kg8 11. Qc4+ Kh7 12. c8=Q Rxc8 13. Qxc8 Kg6 14. f5+ Kh7 15. Qf8 g5+ 16. Kh5 g4 17. Qf7+ Kh8 18. Kg6 h5 19. Qg7#) 7. Kg4 ({Qd2 c8=Q Qd1+ Kh4 Qh1+ Qh3 Qxb7 Qhe6 Qh1+} 7. Kg4 {Qd1+} Qe2+ {Qb1 Q2a2 Qd1+}) 7... Qd2 ({ c8=Q Qd1+ Kh4} 7... Qh1 {Qh3 Qxb7 Qhe6 Qh1+ Kg4 Qd1+} 8. Qe2 {Qd8 Qc2 Qe8 Qxe8} ) (7... h5+ 8. Qxh5+ Qxh5+ 9. Kxh5 Kh7 10. Rb8 a2 11. Rxf8 a1=Q 12. c8=Q g6+ 13. Kg4 Qd1+ 14. Kg5) (7... Qh1 8. Qd6 h5+ 9. Kg5 Rg8 10. Rb8 Qh3 11. Rxg8+ Kxg8 12. Qd5+ Kh7 13. Qe4+ Kh8 14. Qa8+) (7... Qb2 8. Rxb2 axb2 9. Qxb2 Kg8 10. Qb3+ Kh8 11. Qb8 Kg8 12. c8=Q Rxc8 13. Qxc8+ Kf7 14. Qd7+) (7... Rg8 8. c8=Q Qe2+ 9. Qxe2 Rxc8 10. Qe7 Rg8 11. Qxa3 Rc8 12. Qa1 Rg8 13. Kh5 Kh7 14. Qb1+ Kh8 15. Qg6 Rc8 16. Qxg7#) 8. c8=Q ({Qd1+} 8. Kh4 {Qh1+ Qh3 Qxb7 Qhe6 Qh1+ Kg4} Qd1 9. Qe2 Qd8+ {Q2e4 Qd1+} 10. Kh3) (8. Kf3 Qd1+ 9. Kg2 Qd2+ 10. Kh3 Qd7+ 11. f5 Rc8 12. Qe6 Qxe6 13. fxe6 a2 14. Ra7 Rxc7) (8. Kh3 Qd7+ 9. f5 Rc8 10. Qe6 Qxe6 11. fxe6 a2 12. Ra7 Rxc7 13. Rxa2 Kg8 14. Ra8+ Kh7) (8. Qe4 Rg8 9. Kh3 a2 10. Rb8 Qd7+ 11. Kh2 a1=Q 12. Rxg8+ Kxg8 13. Qc4+ Kh7 14. Qc2+ g6 15. c8=Q Qxc8 16. Qxc8) (8. Qxg7+ Kxg7 9. c8=Q+ Rf7 10. Rxf7+ Kxf7 11. Qb7+ Kg8 12. Qa8+ Kg7 13. Qa7+ Kg6 14. f5+ Kf6 15. Qb6+ Ke7 16. Qa7+ Kf6) 8... Qd1+ ({Kh4 Qh1+ Qh3 Qxb7 Qhe6 Qh1+ Kg4} 8... Qd1+ 9. Qe2 Qb1 {Qd5 Qg6+} 10. Kh3 {Rb8 Qea2 Qa6 Qf3 Qc8+ f5}) (8... Qe2+ 9. Qxe2 Rxc8 10. Qe5 Rg8 11. Kh5 Kh7 12. Qf6 Kh8 13. Rxg7 Rxg7 14. Kxh6 a2 15. Qxg7#) (8... Qd7+ 9. Rxd7 h5+ 10. Kh4 Rxc8 11. Qxg7#) (8... Qxf4+ 9. gxf4 h5+ 10. Kxh5 Rg8 11. Qxg7#) (8... h5+ 9. Qxh5+ Kg8 10. Qf7+ Kh7 11. Qxg7#) 9. Kh4 ({Qh1+ Qh3 Qxb7 Qhe6 Qh1+ Kg4 Qd1+} 9. Qe2 Qxe2+ {Qxe2 Ra8 Qf3 Ra5 Qd1 Ra8 Qd5 Ra7 Qd8+ Kh7}) (9. Kh3 Qh1+ 10. Kg4 Qd1+) (9. Qe2 Qxe2+ 10. Kh4 Rxc8 11. Rb1 Kh7 12. f5 Rc2 13. Re1 Qf3 14. Re2 Rxe2 15. g4 Rh2#) 9... Qh1+ ({Qh3 Qxb7 Qhe6} 9... Qh1+ 10. Kg4 Qd1+ 11. Qe2 Qxe2+ {Qxe2 Ra8 Qa2 Ra5 Qd2 Ra8 Qd5 Ra7 Qd8+ Kh7 Qd4}) (9... Qg4+ 10. Qxg4 Rg8 11. Qg6 a2 12. Qxh6#) (9... Qd7 10. Rxd7 Rg8 11. Qxg7#) (9... Qd8+ 10. Qxd8 Rg8 11. Qxg7#) (9... Qh5+ 10. Kxh5 Rg8 11. Qxg7#) 10. Qh3 ({Qxb7 Qhe6 Qh1+} 10. Kg4 Qd1+ 11. Qe2 Qxe2+ { Qxe2 Ra8 Qa2 Ra5 Qd2 Ra8 Qd5 Ra4 Qd8+ Kh7 Qd7 Ra8}) (10. Kg4 Qd1+ 11. Kh3 Qh1+ 12. Kg4) 10... Qxb7 ({Qhe6 Qh1+ Kg4} 10... Qd1 11. Qe2 Qxe2 {Qxe2 Ra8 Qe4 Ra5 Qe8+ Kh7 Qd8 Ra4} 12. Qd7 Ra8 13. Qd5 Ra7) (10... Qxh3+ 11. Kxh3 Rg8 12. Kg4 Kh7 13. Kh5 a2 14. Qa1 Kh8 15. Kg6 h5 16. Rb8 Rxb8 17. Qxg7#) (10... Rf6 11. Qxh1 h5 12. Qg5 Rg6 13. Qxg6 a2 14. Qxg7#) (10... Rg8 11. Qxh1 Kh7 12. Kg4 a2 13. Qxh6+ Kxh6 14. Qh5#) (10... Qa1 11. Qxa1 Rg8 12. Kg4 Kh7 13. Qf6 Kh8 14. Qhxh6#) * [Event "CT Problema"] [Site "Chesstempo.com"] [Date "2023.05.30"] [Round "?"] [White "player"] [Black "90725"] [Result "*"] [Annotator "https://lichess.org/@/ajedrezhoy"] [SetUp "1"] [FEN "2r2k2/7R/4PB2/3K4/5p2/b7/8/8 b - - 0 1"] [PlyCount "8"] [EventDate "2023.??.??"] 1... Ke8 2. Rh8+ ({Bf8} 2. Bg7 Rc5+ 3. Kd4 Rf5 4. Ke4 Rh5 5. Rxh5 {Bxg7 Kxf4 Bc3 Kf5} Bb4 6. Rh8+ Ke7 7. Rh7 Ke8 {Ke4 Bd2}) (2. Ke5 Bf8 3. Rh3 Rc4 4. Kf5 Rc5+ 5. Kxf4 Rc6 6. Kf5 Rc5+ 7. Kg6 Rc6 8. Re3 Bc5 9. Re2 Be7 10. Bg7 Bb4 11. Bh6 Rc4) (2. Rh3 Bf8 3. Ke5 Rc4 4. Kf5 Rc5+ 5. Kxf4 Rc6 6. Kf5 Rc5+ 7. Kg6 Rc6 8. Re3 Bc5 9. Re2 Be7 10. Bg7 Bd6 11. Re4 Rc1) (2. Ke4 f3 3. Kxf3 Rc6 4. Rh8+ Bf8 5. Bg7 Rxe6 6. Rxf8+ Kd7 7. Bd4 Re8 8. Rf6 Re6 9. Rf7+ Kc6 10. Rf5 Re8 11. Rh5 Kd6) (2. Bd4 f3 3. Rh8+ Bf8 4. Be3 Ke7 5. Bg5+ Ke8 6. Bh6 Rc5+ 7. Ke4 f2 8. Rxf8+ Ke7 9. Rxf2 Kxe6 10. Be3 Re5+ 11. Kd3) (2. e7) 2... Bf8 {Bg7 Ke7 Bh6 Bxh6 Rxc8 f3 Rc7+ Ke8 Rf7 Bg5 Rxf3 Be7 Rf7 Kd8 Rh7 Bg5 Ra7 Ke8 Rg7 Bf6 Rh7 Bc3 Rf7 Bd2} 3. Bg7 ({Ke7 Bh6 Bxh6 Rxc8 f3 Rc7+ Ke8 Rf7} 3. Bg5 {Rxf3 Be7 Rf7 Kd8 Rh7 Bg5 Rd7+ Ke8}) (3. Rh3 Ra8 4. Rb3 Be7 5. Bxe7 Kxe7 6. Rb7+ Ke8 7. Rh7 Ra5+ 8. Kd6 Ra6+ 9. Ke5 f3 10. Kf6 Kd8 11. Rd7+ Kc8) (3. Bd4 f3 4. Be3 Ke7 5. Bg5+ Ke8 6. Bh6 Rc5+ 7. Ke4 f2 8. Rxf8+ Ke7 9. Rxf2 Kxe6 10. Be3 Re5+ 11. Kd3 Rf5) ( 3. Be5 Rd8+ 4. Ke4 f3 5. Bg3 Rd2 6. Kxf3 Rd3+ 7. Kf4 Ke7 8. Bf2 Kxe6 9. Rxf8 Rd7 10. Re8+ Re7 11. Ra8 Rf7+) (3. Rh7 Rc5+ 4. Ke4 Rc6 5. Kf5 f3 6. e7 f2 7. exf8=Q+ Kxf8 8. Rh1 Kf7 9. Bd4 Rd6 10. Ke4 Rh6 11. Rf1 Rh4+) 3... Ke7 ({ Bh6 Bxh6 Rxc8} 3... f3 {Rc7+ Ke8 Rf7 Bg5 Rxf3 Be7 Rf7 Kd8} 4. Rh7 {Bg5 Ra7} Be7 {Rb7}) (3... Rc5+ 4. Kd4 Rf5 5. Ke4 Rh5 6. Rxh5 Bxg7 7. Kxf4 Bf6 8. Rh7 Kd8 9. Rf7 Bc3 10. Ke4 Bb4 11. Kd5 Be7 12. Rh7) (3... Rd8+ 4. Ke5 Ke7 5. Bf6+ Ke8 6. e7 Kd7 7. exd8=Q+ Kc6 8. Rxf8 f3 9. Rf7 f2 10. Qb8 f1=Q 11. Rc7#) (3... Kd8 4. Rxf8+ Kc7 5. Be5+ Kb7 6. e7 Rc1 7. Rb8+ Ka6 8. e8=Q Rd1+ 9. Ke6 Rd7 10. Qxd7 f3 11. Qa4#) (3... Rc2 4. Bxf8 Rd2+ 5. Ke5 Re2+ 6. Kf6 Rxe6+ 7. Kxe6 f3 8. Bd6#) 4. Bh6 (4. Bh6 {Rxc8} f3 {Rc7+ Ke8 Rf7} 5. Bg5+ {Rxf3 Be7 Rf7 Kd8 Rh7 Bg5 Ra7 Be7 Rb7 Bg5 Rd7+} Ke8 {Rg7}) (4. Rh7 Bxg7 5. Rxg7+ Kf6 6. Rf7+ Kg5 7. Ke4 Kg6 8. Ke5 Ra8 9. Rf6+ Kg5 10. e7 Re8 11. Ke6 Kg4 12. Rg6+ Kh3 13. Rh6+ Kg4 14. Kd7 Rxe7+ 15. Kxe7) (4. Be5 Rd8+ 5. Ke4 Kxe6 6. Bxf4 Kd7 7. Rh7+ Ke6 8. Be5 Rd7 9. Rh8 Bg7 10. Re8+ Kf7 11. Ra8 Bxe5 12. Kxe5 Rc7 13. Kf4 Kf6 14. Kf3 Kg7 15. Kf2 Kf6 16. Kf1) (4. Bxf8+ Rxf8 5. Rh7+ Kf6 6. Rh6+ Kg5 7. Rh3 Kf6 8. Rh6+) (4. Rg8 f3 5. Ke5 f2 6. Bf6+ Ke8 7. e7 Kf7 8. exf8=Q+ Rxf8 9. Rg7+ Ke8 10. Re7+ Kd8 11. Rf7+ Ke8 12. Re7+) 4... Bxh6 ({Rxc8} 4... f3 {Rc7+ Ke8 Rf7} 5. Bg5+ {Rxf3 Be7 Rf7 Kd8 Rh7 Bg5 Ra7 Be7 Rb7 Bg5 Rh7} Ke8 6. Ke5) (4... Rd8+ 5. Ke5 Bxh6 6. Rh7+ Ke8 7. Rxh6 Rd3 8. Kf6 Kd8 9. Rh8+ Kc7 10. e7 Re3 11. e8=Q Rxe8 12. Rxe8 Kd6 13. Re4 f3 14. Rd4+) (4... Ra8 5. Rh7+ Bg7 6. Rxg7+ Kf6 7. Rf7+ Kg6 8. Bf8 Ra5+ 9. Bc5 Ra2 10. Rxf4 Kg5 11. Rf8 Re2 12. e7 Kg4 13. e8=Q Rxe8 14. Rxe8) (4... Rb8 5. Rh7+ Kf6 6. Rf7+ Kg6 7. Bxf8 Ra8 8. Bc5 Rh8 9. Rxf4 Rh5+ 10. Kd4 Rh8 11. e7 Re8 12. Ke4 Kg7 13. Rf8 Rxe7+ 14. Bxe7) (4... f3 5. Rh7+ Kf6 6. Rf7+ Kg6 7. Bxf8 Rc2 8. Bc5 Rh2 9. Bd4 Re2 10. Rxf3 Re1 11. Re3 Rb1 12. e7 Rb8 13. e8=Q+ Rxe8 14. Rxe8) 5. Rxc8 ({f3 Rc7+ Ke8 Rf7 Bg5 Rxf3 Be7 Rf7 Kd8} 5. Rh7+ { Bg5 Ra7 Be7 Rb7 Bg5 Rd7+} Ke8 6. Rg7 {Bf6 Rh7}) (5. Rxh6 Rc3 6. Rh7+ Kd8 7. Rh8+ Ke7 8. Rh7+) (5. Rh7+ Kf6 6. Rxh6+ Kf5 7. e7 f3 8. Rh2 Re8 9. Kd6 Kf4 10. Rc2 Rxe7 11. Kxe7 Ke3 12. Kd6 f2 13. Rc1 Ke2 14. Kd7 f1=Q 15. Rxf1 Kxf1) (5. Kd4 Rxh8 6. Ke4 Kxe6 7. Kf3 Rf8 8. Ke2 f3+ 9. Kf2 Ke5 10. Kg3 f2 11. Kh4 Rg8 12. Kh5 f1=Q 13. Kxh6 Qh3#) (5. Ke5 Rxh8 6. Ke4 Kxe6 7. Kf3 Rf8 8. Ke2 f3+ 9. Kf2 Ke5 10. Kg3 f2 11. Kh4 Rg8 12. Kh5 f1=Q 13. Kxh6 Qh3#) * [Event "CT Problema"] [Site "Chesstempo.com"] [Date "2023.06.01"] [Round "?"] [White "player"] [Black "71597224"] [Result "*"] [Annotator "https://lichess.org/@/ajedrezhoy"] [SetUp "1"] [FEN "6k1/p1R2p2/6pP/7P/r2b1B2/1b1B1P2/4K3/8 b - - 0 1"] [PlyCount "26"] [EventDate "2023.??.??"] 1... Ra2+ 2. Bd2 ({Bb6 Rc8+ Kh7 Rc6 Rxd2+ Kxd2 Kxh6 hxg6 Kg7 Kc3 Ba4 Rd6 Ba5+ Kb2 Bb6 f4 Bc5 Rd5 Bb4 gxf7 Kxf7 Bb5 Bxb5} 2. Ke1 Ra1+ 3. Kd2 Ra2+ 4. Kc1 Bb2+ 5. Kb1 Bd4 6. Rc8+ Kh7 7. hxg6+ fxg6 8. Rc7+ Kh8 9. Kc1 Bb2+ 10. Kb1 Bd4) (2. Kf1 Ra1+ (2... Rf2+ 3. Ke1 Rg2 (3... Rxf3 4. hxg6 fxg6 5. h7+ Kh8 6. Bxg6 Rh3)) 3. Kg2 Ra2+ 4. Kg3 Bf2+ 5. Kh3 Be6+ 6. Kg2 Be3+ 7. Kg3 Bf2+ 8. Kg2) (2. Bc2 Bxc2 3. hxg6 Bxg6+ 4. Bd2 Bb6 5. Rc8+ Kh7 6. Ke1 Ra3 7. Ke2 Bd3+ 8. Kd1 Bb5 9. Bc3 Kxh6 10. Kc2 Ra2+) (2. Rc2 Bxc2 3. Bxc2 g5 4. Bxg5 Rxc2+ 5. Kd3 Rg2 6. Bd2 Bf6 7. Be3 a5 8. Kc4 Kh7 9. Kb5 Rg3 10. Kxa5 Rxf3) 2... Be5 ({Rc8+} 2... Kh7 3. Rc6 Rxd2+ 4. Kxd2 Kxh6 5. hxg6 fxg6 6. Rxg6+ Kh5 {Ke3 Bf7} 7. Ra6 {Bc7 Rc6}) ( 2... Bb6 3. Rc8+ Kh7 4. Rc6 Rxd2+ 5. Kxd2 Kxh6 6. hxg6 Kg7 7. Kc3 Ba4 8. Rd6 Ba5+ 9. Kb2 Bb6 10. f4 fxg6) (2... Ra4 3. Rc8+ Kh7 4. hxg6+ fxg6 5. Rd8 Be5 6. Rd7+ Kh8 7. Bxg6 Bc4+ 8. Ke3 Ra3+ 9. Ke4 Bf6 10. Be3) (2... Be6 3. hxg6 fxg6 4. Bxg6 Bf6 5. Be4 Kh8 6. Rh7+ Kg8 7. Rb7 Rxd2+ 8. Kxd2 Bg5+ 9. Kd3 Bxh6 10. Rxa7) (2... Rb2 3. hxg6 fxg6 4. Bxg6 Be6 5. Kd3 Bf6 6. Rxa7 Bd5 7. Rc7 Rb3+ 8. Ke2 Rb8 9. Be4 Be6 10. f4) 3. Rc8+ ({Kh7} 3. Rc6 Rxd2+ 4. Kxd2 {Kxh6 hxg6 Kg7 gxf7} Bf4+ 5. Ke2 {Bxf7} Bc4 {Bg6} 6. Ra6 {Bf5} Bxd3+ {Bc8}) (3. Rb7 Bf4 4. Rxb3 Rxd2+ 5. Ke1 Kh7 6. hxg6+ fxg6 7. Ra3 Kxh6 8. Bxg6 Kxg6 9. Ra6+ Kf5 10. Ra5+ Ke6 11. Ra6+ Kd5) (3. h7+ Kxh7 4. Rb7 Bf4 5. hxg6+ Kg7 6. Rxb3 Rxd2+ 7. Ke1 fxg6 8. Rb7+ Kf6 9. Bxg6 Kxg6 10. Rxa7 Rb2 11. Re7 Kf5) (3. Rd7 Bf4 4. Bxg6 Bxh6 5. Bb1 Rb2 6. Be4 Kg7 7. Ke1 Bxd2+ 8. Rxd2 Rxd2 9. Kxd2 Kh6 10. Kc3 Be6 11. f4) (3. Rc5 Bf4 4. Bc2 Rxc2 5. Rxc2 Bxc2 6. Bxf4 gxh5 7. Kd2 Bf5 8. Ke3 h4 9. Kd4 h3 10. Kc4 a5 11. Kb5) 3... Kh7 {Rc6 Rxd2+ Kxd2 Kxh6 hxg6 Kg7 gxf7 Bf4+ Ke2 Bxf7 Bc4 Bg6 Ra6 Bf5 Bd3 Bc8 Rxa7+ Kf6 Ra4} 4. Rc6 ({Rxd2+ Kxd2 Kxh6} 4. hxg6+ {Kg7 gxf7 Bf4+ Ke2 Bxf7 Bc4 Bg6 Ra6 Bf5 Bd3 Bh3 Rxa7+}) (4. hxg6+ fxg6 5. Rc6 Bf7 6. Bb1 Rb2 7. Bc2 Rb6 8. Rc5 Bd6 9. Rc8 Be6 10. Re8 Bf7 11. Rd8 Be6 12. Be4) (4. Ke3 Kxh6 5. hxg6 fxg6 6. Rc5 Bf4+ 7. Kxf4 Rxd2 8. Ke3 Rd1 9. Ke2 Ra1 10. Rc6 Bf7 11. Rc7 Bd5 12. Be4 Bxe4 13. fxe4 a5 14. e5 Rb1) (4. Rc5 Bf4 5. Bc2 Bxc2 6. Bxf4 gxh5 7. Ke3 Bg6 8. Bg5 a5 9. f4 Ra3+ 10. Kd4 h4 11. f5 Bh5 12. Bxh4 Ra4+ 13. Rc4 Rxc4+) (4. Rd8 Bf4 5. hxg6+ fxg6 6. Bb1 Rb2 7. Be4 Kxh6 8. Ke1 Bxd2+ 9. Rxd2 Rxd2 10. Kxd2 Be6 11. f4 a5) 4... Rxd2+ ({Kxd2 Kxh6 hxg6 Kg7 gxf7} 4... Bf4 {Ke2 Bxf7} 5. Bc4 {Bg6} Ra6 {Bf5} 6. Bd3 {Bh3 Rxa7+}) (4... Bf4 5. hxg6+ Kxh6 6. gxf7+ Kg7 7. f8=Q+ Kxf8 8. Rf6+ Ke7 9. Rxf4 Bd5 10. Bb1 Ra1 11. Bf5 Rh1 12. Bb4+) (4... Be6 5. hxg6+ Kg8 6. h7+ Kg7 7. gxf7 Kxf7 8. f4 Rxd2+ 9. Kxd2 Bxf4+ 10. Kc2 Be5 11. Rc7+ Kf8 12. Rxa7) (4... Kg8 5. hxg6 Be6 6. h7+ Kg7 7. gxf7 Kxf7 8. f4 Rxd2+ 9. Kxd2 Bxf4+ 10. Kc2 Be5 11. Rc7+ Kf8 12. Rxa7) (4... Kh8 5. hxg6 fxg6 6. Bxg6 Rxd2+ 7. Kxd2 Bf4+ 8. Kc3 Bg8 9. Rc8 Bxh6 10. Bf7 Kg7 11. Bxg8 Bf4 12. Kd4) 5. Kxd2 ({Kxh6 hxg6 Kg7 gxf7 Bf4+ Ke2 Bxf7 Bc4 Bg6 Ra6 Bf5 Bd3 Bh3 Rxa7+ Kf6 Ra4 Bd6 f4} 5. Ke3 Rg2 6. Ra6 Kxh6 7. hxg6 fxg6 8. Rxa7 Bd6 9. Ra6 Bc5+ 10. Kf4 Rg5 11. Be4 Bc4 12. Rc6 Bb5 13. Re6 Rg1 14. Ke5) (5. Ke1 Rxd3 6. hxg6+ fxg6 7. Ra6 Bc3+ 8. Kf2 Kxh6 9. f4 Bd4+ 10. Ke2 Re3+ 11. Kd2 Rh3 12. Rc6 Be3+ 13. Kd3 Bxf4+ 14. Ke4) (5. Kf1 Rxd3 6. hxg6+ fxg6 7. Ke2 Rxf3 8. Rc5 Bd4 9. Rc7+ Rf7 10. Rc1 Kxh6 11. Kd3 Rd7 12. Rb1 Be5+ 13. Ke3 Bd5) 5... Kxh6 6. hxg6 fxg6 7. Rxg6+ Kh5 8. Ke3 a5 9. f4 Bc3 10. Rc6 Bb4 11. Be2+ Kh4 12. Kf2 Bf8 13. Rf6 Bc5+ 14. Kg2 {Iljiushenok, I. - Provotorov, I. , 1-0, 22nd Voronezh Master Open, 2018, https://lichess.org/OUTrzVhk} * [Event "CT Problema"] [Site "Chesstempo.com"] [Date "2023.06.01"] [Round "?"] [White "75030"] [Black "player"] [Result "*"] [Annotator "https://lichess.org/@/ajedrezhoy"] [SetUp "1"] [FEN "r3kb1r/pp2q3/2n1bp2/2p4p/3nQ1p1/2NBB3/PPP2PPP/R3K1NR w KQkq - 0 1"] [PlyCount "12"] [EventDate "2023.??.??"] 1. Nd5 Bxd5 ({Qxd5} 1... Ne5 2. Bb5+ Nxb5 3. Ne2 Qf7 4. O-O-O {Qxd5 Rxd5} Nc7 5. Rd2 Be7 6. Re1 {Kf7}) (1... Qf7 2. Bxd4 Nxd4 3. Nf4 f5 4. Qe3 O-O-O 5. Nge2 Bd7 6. Nxd4 cxd4 7. Qxd4 Bg7 8. Qxa7 Rhe8+) (1... Qd8 2. Qg6+ Kd7 3. Nf4 Ne5 4. Qe4 Nxd3+ 5. cxd3 Qb6 6. Bxd4 cxd4 7. Nge2 Bb4+ 8. Kf1 Rae8) (1... f5 2. Nxe7 fxe4 3. Nxc6 exd3 4. Nxd4 cxd4 5. Bxd4 Rh6 6. cxd3 Bf5 7. Ne2 Bxd3 8. Nf4 Rd8 9. Nxd3) (1... Qg7 2. Nf4 f5 3. Nxe6 fxe4 4. Nxg7+ Bxg7 5. Bxe4 O-O-O 6. O-O-O Rhe8 7. Bg6 Re5 8. c3 Nf5) 2. Qxd5 ({Ne5} 2. Bb5 Nxb5 3. O-O-O Rd8 {Qxd8+ Qxd8 Rxd8+ Kxd8} 4. Ne2 Kd7 5. h3 {Bd6 a4}) (2. Qxe7+ Kxe7 3. Kf1 c4 4. Bg6 Rg8 5. Bh7 Rg7 6. Bxd4 Nxd4 7. Rd1 Rd8 8. Rxd4 Rxh7 9. Ne2) (2. Qg6+ Kd7 3. Ne2 Ne5 4. Bb5+ Kd8 5. Qe8+ Qxe8 6. Bxe8 Bxg2 7. O-O-O Kxe8 8. Bxd4 cxd4 9. Rhe1) (2. Qf4 Ne5 3. Kf1 Nxd3 4. cxd3 Bh6 5. Qxh6 Rxh6 6. Bxh6 Qh7 7. Re1+ Kd7 8. Ne2 Nxe2 9. Rxe2) (2. Bxd4 Bxe4 3. Bxf6 Qxf6 4. Bxe4 Qxb2 5. Rd1 Rd8 6. Bd3 Ne5 7. Bf5 Qc3+ 8. Ke2 Qc4+) 2... Ne5 ({Bb5+} 2... Nb5 3. O-O-O Rd8 4. Qxd8+ Qxd8 {Rxd8+ Kxd8} 5. Ne2 Kd7 6. h3 Bd6 7. a4 Nc7) (2... Bg7 3. Bg6+ Kf8 4. c3 Bh6 5. O-O-O Kg7 6. Qe4 Rae8 7. Bxh6+ Rxh6 8. Qxe7+ Rxe7 9. Bd3 Ne6) (2... Bh6 3. Qxh5+ Kd7 4. Ne2 Ne5 5. Nxd4 Bg5 6. Bf5+ Kd6 7. Nb5+ Kc6 8. Nxa7+ Kc7 9. Nb5+ Kc6 10. Na7+) ( 2... f5 3. Bxf5 Bh6 4. O-O-O Rd8 5. Bg6+ Kf8 6. Qe4 Kg7 7. Qxe7+ Nxe7 8. Bxh5 Rdf8 9. Bxh6+ Rxh6) (2... Qd6 3. Qxd6 Bxd6 4. O-O-O f5 5. Ne2 Nxe2+ 6. Bxe2 O-O-O 7. g3 Rd7 8. Kb1 h4 9. Bd3 Rh5 10. Bc4 Nd4 11. Bxd4) 3. Rd1 ({Rd8} 3. Bb5+ Nxb5 4. Qd8+ Qxd8 {Rxd8+ Kxd8} 5. h3 Rg8 6. hxg4 Nxg4 7. Bf4 Bd6 8. Bxd6 { Re8+ Kf1} Nxd6) (3. Bb5+ Nxb5 4. Ne2 Rd8 5. Qb3 Qd7 6. a4 Nd6 7. O-O h4 8. Nf4 h3 9. Qe6+ Be7 10. Bxc5 hxg2 11. Kxg2 b6 12. Qxd7+ Rxd7) (3. Ne2 Rd8 4. Bb5+ Nxb5 5. Qb3 Qd7 6. a4 Nd6 7. O-O h4 8. Nf4 h3 9. Qe6+ Be7 10. Bxc5 hxg2 11. Kxg2 b6 12. Qxd7+ Rxd7) (3. O-O-O Rd8 4. Bb5+ Nxb5 5. Qxd8+ Qxd8 6. Rxd8+ Kxd8 7. Ne2 Nc4 8. Rd1+ Kc7 9. a4 Nxe3 10. fxe3 Nd6) (3. a4 Rd8 4. Qa2 Nxd3+ 5. cxd3 Nc2+ 6. Kf1 Nxa1 7. Qxa1 Rxd3 8. Ne2 Bh6 9. Bxh6 Rxh6 10. Qc1) (3. Bxd4) 3... Rd8 ({Bb5+} 3... Nb5 4. Qd8+ Qxd8 {Rxd8+ Kxd8} 5. h3 Nd4 6. Bxd4 cxd4 7. hxg4 Nxg4 8. Ne2 Bc5) (3... h4 4. Be4 Rd8 5. Qxb7 Qxb7 6. Bxb7 Nxc2+ 7. Ke2 Rb8 8. Bd5 Nxe3 9. fxe3 Rxb2+ 10. Rd2 Rb1) (3... a6 4. Be4 Rd8 5. Qxb7 Qxb7 6. Bxb7 Nxc2+ 7. Ke2 Rb8 8. Bxa6 Nb4 9. f4 gxf3+ 10. Nxf3 Nxa6) (3... Nxd3+ 4. cxd3 Rd8 5. Qe4 Qxe4 6. dxe4 Nc2+ 7. Ke2 Rxd1 8. Kxd1 Nxe3+ 9. fxe3 Bh6 10. Ne2 Bxe3) ( 3... Rc8 4. a4 Nxd3+ 5. cxd3 Rd8 6. Qc4 Nf5 7. Kf1 Nxe3+ 8. fxe3 Bh6 9. h3 Kd7 10. hxg4 Bxe3) 4. Bb5+ ({Nxb5} 4. Qxd8+ Qxd8 {Rxd8+ Kxd8} 5. h3 Bd6 6. Ne2 Kd7 7. a4 {Nc7 hxg4 Nxg4 Bd2} Ne6) (4. Qe4 f5 5. Bb5+ Kf7 6. Qf4 Bh6 7. Rxd4 Bxf4 8. Rxf4 Qd6 9. Be2 Qd5 10. Rxf5+ Ke6 11. Rg5 Qxg2) (4. Qxd8+ Qxd8 5. Bxd4 cxd4 6. Ne2 Qa5+ 7. c3 Qxa2 8. O-O dxc3 9. bxc3 Nxd3 10. Rxd3 Bc5 11. Nc1) (4. Bg6+ Nxg6 5. Qc4 Qe4 6. Rxd4 cxd4 7. Ne2 Nh4 8. Nxd4 Nxg2+ 9. Ke2 Nf4+ 10. Kd2 Qxh1 11. Bxf4) (4. Qxe5 Qxe5 5. Kf1 Ne6 6. h3 gxh3 7. Rxh3 Qxb2 8. Bg6+ Ke7 9. Re1 Qxa2 10. Bxc5+ Kd7 11. Bf7 Kc7 12. Bxf8) 4... Nxb5 ({Qxd8+ Qxd8 Rxd8+ Kxd8 h3 Bd6 Ne2 Kd7 a4 Nc7 hxg4 Nxg4 Bd2 Ne6 f3} 4... Nec6 5. Bxc6+ bxc6 6. Qc4 Qe4 7. Kf1 Qxc2 8. Qxc2 Nxc2 9. Rxd8+ Kxd8 10. Bf4 Bg7 11. h3 f5 12. hxg4) (4... Nd7 5. Qxb7 Bh6 6. Ne2 Bxe3 7. fxe3 Nxc2+ 8. Kf2 Qxe3+ 9. Kf1 Rh7 10. Bd3 Re7 11. Qb3 Nd4 12. Bg6+ Kf8 13. Qxe3 Rxe3 14. Nxd4) (4... Ndc6 5. Qxd8+ Qxd8 6. Rxd8+ Kxd8 7. c3 Bh6 8. Bxc5 Kc7 9. h3 Re8 10. Ne2 a6 11. Bxc6 Kxc6 12. Bd4) (4... Rd7 5. Bxd7+ Nxd7 6. Qxb7 Nxc2+ 7. Ke2 Nxe3 8. Qc8+ Qd8 9. Qxd8+ Kxd8 10. Kxe3 c4 11. Ne2 Bc5+ 12. Nd4 Re8+ 13. Kf4 a6 14. Rhf1 Bxd4) 5. Qxd8+ (5. Qxd8+ { Rxd8+ Kxd8 h3 Bd6 Ne2 Kd7 Kf1 Kc6 a4 Nc7 Nc3 gxh3 Rxh3 Nc4}) (5. Qe4 Rxd1+ 6. Kxd1 Qd7+ 7. Ke1 Nd6 8. Qd5 Qa4 9. f4 Nec4 10. b3 Qa5+ 11. Bd2 Nxd2 12. Qxd2) ( 5. Qb3 Nd4 6. Qc3 Qe6 7. a4 Qc6 8. Bxd4 Rxd4 9. f3 gxf3 10. gxf3 Rxd1+ 11. Kxd1 Qxa4 12. b3) (5. Ne2 Rxd5 6. Rxd5 h4 7. h3 Nc4 8. Rxc5 Nba3 9. bxa3 Nxe3 10. Rc3 Nxg2+ 11. Kd1 f5 12. Rg1) (5. Qd2 Rxd2 6. Rxd2 Bh6 7. h3 Nc4 8. Re2 Nxe3 9. fxe3 Bxe3 10. hxg4 Nd4 11. Rxh5 Rg8 12. g5) 5... Qxd8 ({Rxd8+ Kxd8 h3 Bd6 Ne2 Kd7 b3 Kc6 c4 Na3 Nf4 Nc2+ Ke2 h4 hxg4 Nxg4 Nd5 Ngxe3 fxe3} 5... Kf7 6. Qd5+ Kg7 7. Ne2 b6 8. Nf4 Nc7 9. Qe4 Qf7 10. O-O Nb5 11. Nd5 Nd6 12. Qf4 Nec4 13. Bc1 Be7) 6. Rxd8+ ({Kxd8} 6. h3 Bd6 7. Ne2 Kd7 8. b3 Kc6 9. c4 Na3 10. Nf4 Nc2+ 11. Kd2 Nxe3 12. fxe3 gxh3) (6. f4 Nd7 7. Ne2 Qa5+ 8. Bd2 Qxa2 9. Nc3 Nxc3 10. Bxc3 Qc4 11. Rf1 Bh6 12. g3 O-O 13. Kf2) (6. a3 Qa5+ 7. Kf1 Qa4 8. Rd2 Bh6 9. Bxh6 Rxh6 10. h3 Qf4 11. Re2 Nd4 12. g3 Qc1+ 13. Re1) (6. Ne2 Qa5+ 7. c3 Qxa2 8. O-O Qxb2 9. Rd2 Qb3 10. Rfd1 Nxc3 11. Nxc3 Qxc3 12. Bf4 Be7 13. Bxe5) (6. c3 Qa5 7. Ne2 Qxa2 8. O-O Qxb2 9. Rd2 Qb3 10. Rfd1 Nxc3 11. Nxc3 Qxc3 12. Bf4 Be7 13. Bxe5) 6... Kxd8 ({h3 Bd6 Ne2 Kd7 b3 Kc6 c4 Na3 Nf4 Nc2+ Ke2 Nd4+ Kd2 Rg8 hxg4 Nxg4 Nxh5} 6... Ke7 7. Rb8 b6 8. Bxc5+ Nd6 9. Rb7+ Ke6 10. Bxd6 Bxd6 11. Ne2 Rd8 12. Nf4+ Kf5 13. Nxh5 Rc8 14. c3 Nd3+ 15. Ke2) (6... Kf7 7. Bxc5 Nc7 8. Rxf8+ Rxf8 9. Bxf8 Kxf8 10. h3 Kg7 11. Ne2 Ne6 12. hxg4 hxg4 13. Kd2 Kg6 14. b3 f5 15. c4) * [Event "CT Problema"] [Site "Chesstempo.com"] [Date "2023.06.02"] [Round "?"] [White "player"] [Black "96617"] [Result "*"] [Annotator "https://lichess.org/@/ajedrezhoy"] [SetUp "1"] [FEN "r5k1/pR3p2/2nQb3/2R5/3p4/6P1/3qPP1P/6K1 b - - 0 1"] [PlyCount "8"] [EventDate "2023.??.??"] 1... Bh3 2. Rb1 ({Re8} 2. Qf6 Ne7 3. Rh5 Ng6 4. Rxh3 Qxe2 5. Qxd4 Ne5 6. Qc5 Qe4 {Rd1}) (2. Rg5+ Qxg5 3. Rb1 Rc8 4. Qa3 Qd2 5. Qc1 Qxc1+ 6. Rxc1 a5 7. f4 Nb4 8. Rb1) (2. Qg6+ fxg6 3. Rb1 Qxe2 4. Rg5 Qe4 5. Rxg6+ Kh7 6. Rg7+ Kxg7 7. Rb7+ Ne7 8. Rxe7+ Qxe7 9. f3 Qe1#) (2. Qd8+ Nxd8 3. Rb1 Qxe2 4. Rg5+ Kf8 5. Rh5 Qxh5 6. Re1 Qf3 7. Re8+ Kxe8 8. g4 Qd1#) (2. Qf8+ Kxf8 3. Rb1 Qxe2 4. Rf5 Qe4 5. Rxf7+ Kxf7 6. Rb7+ Kg6 7. Rg7+ Kxg7 8. g4 Qe1#) 2... Re8 ({Qf6} 2... Ne7 3. Rh5 Ng6 4. Rxh3 Qxe2 5. Qxd4 Ne5 6. Qf4 Qg4 7. Qxg4+ Nxg4) (2... Rd8 3. Qxc6 Rc8 4. Qd5 Rxc5 5. Qxc5 Kg7 6. Ra1 a6 7. Qe5+ f6 8. Qe7+ Kg6) (2... Be6 3. Qxc6 Rc8 4. Qb5 Rxc5 5. Qxc5 Kh7 6. Qh5+ Kg7 7. Qe5+ Kg6 8. h4 Bg4) (2... Rc8 3. Qf6 Ne7 4. Qxe7 Rxc5 5. Qxc5 Kg7 6. Ra1 a5 7. Qxa5 Qxa5 8. Rxa5) (2... Qa2 3. Rbc1 Qd2 4. Qf6 Ne5 5. Qxe5 Be6 6. R5c2 Qb4 7. Qg5+ Kh7 8. Rc7) 3. Qf6 ({Ne7} 3. Rh5 {Ng6 Rxh3} Qxe2 4. Qxd4 a5 5. g4 Qe4 6. Rd1 Qxd4 7. Rxd4 Kg7) (3. Rh5 Qxe2 4. Rxh3 Qe4 5. Rd1 Ne5 6. g4 Nf3+ 7. Rxf3 Qxf3 8. Qxd4 Re2 9. Ra1 Kh7) (3. Qxc6 Rxe2 4. Rf1 Bxf1 5. Qf6 Qe1 6. Qd8+ Re8 7. Qg5+ Kh7 8. Qh4+ Kg8 9. Rg5+) (3. g4 Re6 4. Qg3 d3 5. e4 Bxg4 6. h3 Nd4 7. Kh2 Qh6 8. Kg2 Qxh3+ 9. Qxh3 Bxh3+ 10. Kxh3) (3. e3 dxe3 4. Rg5+ Kh7 5. Rh5+ Kg8 6. Rg5+) 3... Ne7 ({Rh5 Ng6 Rxh3} 3... Qxe2 4. Qxd4 a5 5. g4 Qe4 6. Rd1 Qxd4 7. Rxd4) (3... Rxe2 4. Rg5+ Qxg5 5. Qxg5+ Kf8 6. Qh6+ Kg8 7. Qxc6 Bf5 8. Rb8+ Kg7 9. Qc5) (3... Rb8 4. Rxb8+ Nxb8 5. Rg5+ Qxg5 6. Qxg5+ Kf8 7. Qd8+ Kg7 8. Qxb8 Bg4 9. f3) (3... Bg4 4. Rg5+ Qxg5 5. Qxg5+ Kf8 6. Qxg4 Re6 7. Rb7 Rf6 8. Qc8+ Kg7 9. Rc7) (3... Ne5 4. Rxe5 Rc8 5. Rg5+ Qxg5 6. Qxg5+ Kf8 7. Qh6+ Kg8 8. Qxh3 Re8) 4. Rh5 ({Ng6 Rxh3 Qxe2} 4. Qxd4 a5 5. g4 {Qe4 Rd1} Qxd4 {Rxd4 Kg7} 6. Rc3) (4. Qe5 d3 5. exd3 Qxd3 6. Re1 Be6 7. Qg5+ Qg6 8. Qd2 Qf6 9. Rc7 Ng6 10. Qa5) (4. Rg5+ Ng6 5. Rxg6+ fxg6 6. Qxg6+ Kf8 7. Qf6+ Kg8 8. g4 d3 9. Qg6+ Kf8) (4. Rcb5 Rc8 5. Rb8 Rxb8 6. Rxb8+ Nc8 7. Rb1 Be6 8. Qe5 Nb6 9. Qb8+ Nc8) (4. Rbc1 Nd5 5. Qh4 Bf5 6. Qh5 Be4 7. Rc8 Nf6 8. Rxe8+ Nxe8 9. Ra1 Nf6) 4... Ng6 ({Rxh3} 4... Qxe2 5. Qxd4 a5 6. Qa4 Qe4 7. Ra1 Qxa4 8. Rxa4 {Re5 g4 Rd5 Kg2 Ne5}) (4... Qe1+ 5. Rxe1 Ng6 6. Rxh3 Re6 7. Qxd4 Re8 8. Rc1 Rb8 9. Rc7 Rf8 10. Rxa7 Rc8 11. Qf6) (4... Qc1+ 5. Rxc1 Ng6 6. Rxh3 Rb8 7. Rc7 Rb1+ 8. Kg2 Nf4+ 9. gxf4 Rg1+ 10. Kxg1 a5 11. Qxf7#) ( 4... Qd1+ 5. Rxd1 Ng6 6. Rxd4 Rb8 7. Rxh3 Kf8 8. Kg2 a5 9. Rd7 Ne7 10. Rxe7 Kg8 11. Qxf7#) (4... Qh6 5. Rxh6 Ng6 6. Rb7 Bd7 7. Rxd7 Re7 8. Rxe7 Nxe7 9. Qh8#) 5. Rxh3 ({Qxe2} 5. Qxd4 a5 6. Qa4 {Qe4 Ra1 Qxa4 Rxa4} Re5 {Rd4 Kg7} 7. g4) (5. Rh7 Kxh7 6. Qxf7+ Kh6 7. Qxe8 Bf5 8. Ra1 d3 9. exd3 Bxd3 10. h4 a6 11. Re1 Bb5 12. Qe3+ Qxe3 13. Rxe3) (5. Ra1 Qb2 6. Qa6 Bc8 7. Qa2 Qxa2 8. Rxa2 Bg4 9. Rha5 Bxe2 10. Rxa7 Bf3 11. Kf1) (5. Qf3 Bd7 6. Qd5 Re7 7. Qd6 Qxe2 8. Rg5 Qe4 9. Rb8+ Be8 10. Rgb5 Ne5) (5. Qd6 Bg4 6. Rhb5 Rxe2 7. Qf6 Re1+ 8. Kg2 Rxb1 9. Rxb1 Be6 10. Rb8+ Kh7) * [Event "CT Problema"] [Site "Chesstempo.com"] [Date "2023.06.04"] [Round "?"] [White "150332665"] [Black "player"] [Result "*"] [Annotator "https://lichess.org/@/ajedrezhoy"] [SetUp "1"] [FEN "3r4/2Q2Rpk/p5qp/1p1n1p2/7P/1P3PP1/P7/2R3K1 w - - 0 1"] [PlyCount "12"] [EventDate "2023.??.??"] 1. h5 Qg5 ({Rxg7+ Qxg7 Qxd8} 1... Qxg3+ 2. Kf1 Qxf3+ 3. Kg1 Qe3+ 4. Kh2 Qd2+ 5. Kg3 Qf4+ 6. Kh3 Qf3+ 7. Kh2 Qxh5+ 8. Kg1) (1... Qb6+ 2. Qxb6 Nxb6 3. Rcc7 Rg8 4. Rxf5 Rd8 5. Rff7 Rg8 6. Rc6 Nd5 7. Rxa6 Kh8 8. Raa7 Kh7 9. Kf2 Kh8 10. a4) ( 1... Nxc7 2. hxg6+ Kxg6 3. Rcxc7 Rg8 4. Kf2 a5 5. Ke3 a4 6. Kf4 axb3 7. axb3 b4 8. Rxf5 Re8 9. Rff7 Rg8 10. Ke4) (1... Qf6 2. Rxf6 Nxc7 3. Rxc7 f4 4. Rxf4 a5 5. Rff7 Rg8 6. Kf2 Kh8 7. Ra7 a4 8. Rab7 Rc8 9. Rxg7 Rc2+ 10. Ke3) (1... Qg4 2. fxg4 Nxc7 3. Rcxc7 fxg4 4. Rxg7+ Kh8 5. Rh7+ Kg8 6. Rxh6 a5 7. Rhh7 Rd1+ 8. Kf2 Rd2+ 9. Ke3 Rd6 10. h6) 2. Qc2 ({Kg8 Rb7 Nf4} 2. Rxg7+ Qxg7 3. Kh2 {Nxh5 Rg1 Qf6 Rd1} f4 {Rxd8+} 4. Qxd8 Qg6) (2. Rxg7+ Qxg7 3. Qxg7+ (3. Qxd8 Qxg3+ 4. Kf1 Qxf3+ 5. Ke1 Qe3+ 6. Kd1 Qd4+ 7. Ke1 Qg1+ 8. Kd2 Qf2+) 3... Kxg7 4. Rc6 Nf6 5. Rxa6 Nxh5 6. Kf2 Rd2+ 7. Ke3 Rc2 8. Ra7+ Kg6 9. Ra6+) (2. Qe5 Qxc1+ 3. Kh2 Qg5 4. Qxf5+ Qxf5 5. Rxf5 Nc3 6. a4 Rd3 7. Kg2 Nd1 8. Rf7 Rxb3 9. axb5) (2. Qxd8 Qxd8 3. Re1 Qg5 4. g4 fxg4 5. fxg4 Qxg4+ 6. Kf2 Qxh5 7. Rf3 Qh2+ 8. Kf1 Qxa2 9. Rd1) (2. Qc5 Qxg3+ 3. Kf1 Qxf3+ 4. Kg1 Qg4+ 5. Kf2 Qf4+ 6. Kg1 Re8 7. Qc6 Qg4+ 8. Kh1 Qxh5+ 9. Kg1 Qxf7) 2... Kg8 ({Rb7} 2... Nf4 3. Rxg7+ Qxg7 4. Kh2 Nxh5 5. Qf2 {Kh7 Rc6} Rg8 {Rxa6 Qxg3+ Qxg3 Rxg3 Rb6}) (2... Kh8 3. Rb1 Nf6 4. Qe2 Nxh5 5. g4 Nf4 6. Qe5 Nh3+ 7. Kh2 fxg4 8. Re1 h5 9. fxg4 Rd2+) (2... Nf6 3. Rxf6 Qxf6 4. Rd1 Rf8 5. Kg2 Qf7 6. Rd6 Qxh5 7. Rxa6 Rd8 8. Ra7 Qg6 9. Rc7 Qg5) (2... Nc3 3. Qxc3 Qxg3+ 4. Kh1 Qh3+ 5. Kg1 Qg3+) (2... Rc8 3. Qxc8 Qxg3+ 4. Kf1 Qxf3+ 5. Ke1 Qg3+ 6. Kf1 Qf3+) (2... Ne3 3. Qf2 (3. Qh2 Ng4) 3... Ng4 4. f4) 3. Rxf5 ({Qxg3+} 3. Qg2 {Qxg2+ Kxg2} Ne3 {Kg3 Nxf5+ Kf4} 4. Rf8+ {Rc3 Nd4+ Ke4 Ne6 Rc6} ) (3. Rb7 Nf4 4. Rxg7+ Qxg7 5. Kh2 Nxh5 6. Qf2 Kh7 7. Rc6 Rg8 8. Rxa6 Qxg3+ 9. Qxg3 Rxg3 10. Rb6) (3. Ra7 Nf4 4. Rxg7+ Qxg7 5. Kh2 Nxh5 6. Rg1 Qf6 7. Qc1 Kh8 8. f4 Re8 9. Rg2 Qg6 10. Qc3+ Nf6) (3. g4 Kxf7 4. Qxf5+ Qxf5 5. gxf5 Ne7 6. Rc7 Rd1+ 7. Kf2 Rd2+ 8. Ke3 Rxa2 9. Ke4 Re2+ 10. Kd3) (3. Rxg7+ Kxg7 4. Ra1 Qxg3+ 5. Qg2 Qxg2+ 6. Kxg2 Nf4+ 7. Kf2 Nxh5 8. Rh1 Nf4 9. Ke3 Ng2+ 10. Ke2) 3... Qxg3+ ({Qg2 Qxg2+ Kxg2} 3... Ne3 {Kh3 Nxf5 Rc6 Rd6 Rc8+ Kf7 Kg4 Ne3+ Kf4 Nd5+ Ke5 Rd7 Ra8 Nb4}) (3... Qe3+ 4. Kh1 Ne7 5. Rc5 Rd3 6. Qg2 Nf5 7. g4 Nd4 8. Rf1 Nxf3 9. Rc7 Kh7 10. Rf7 Ne5 11. R7f2 Kg8 12. Re2) (3... Qe7 4. Qe4 Qd6 5. Re5 Nf6 6. Qe2 Kh7 7. Kg2 Kh8 8. Rc2 Rf8 9. f4 Kg8 10. Qf3 Kh8 11. Qb7 Rd8 12. Rc7) (3... Nb4 4. Rxg5 Nxc2 5. Rc5 Nd4 6. Rc8 Rxc8 7. Rxc8+ Kf7 8. Kf2 Ne6 9. Ra8 Nc5 10. Ra7+ Kf8 11. Rc7 Ne6 12. Rc6) (3... Ne3 4. Rxg5 Nxc2 5. Rc5 Nd4 6. Rc8 Rxc8 7. Rxc8+ Kf7 8. Kf2 Ne6 9. Ra8 Nc5 10. Ra7+ Kf8 11. Rc7 Ne6 12. Rc6) 4. Qg2 (4. Qg2 {Kxg2} Ne3 {Kh3 Nxf5} 5. Rc6 Rd6 6. Rc8+ {Kf7 Kg4 Ne3+ Kf4 Nd5+ Ke5 Rd7 Ra8}) (4. Kh1 Qh3+ 5. Kg1 Ne3 6. Qe2 Nxf5 7. Qg2 Qxh5 8. Qg4 Qe8 9. Qe4 Qd7 10. Qf4 Re8 11. Kh1 Nd4) (4. Kf1 Ne3+ 5. Ke2 Nxc2 6. Rxc2 Qg2+ 7. Ke3 Qxc2 8. Kf4 Qc1+ 9. Kg3 Qg1+ 10. Kh3 Rd2 11. Rf8+ Kxf8 12. a3 Rh2#) 4... Qxg2+ ({ Kxg2} 4... Ne3 {Kh3 Nxf5} 5. Rc6 Rd6 {Rc5 Ne7} 6. Rc7 Nd5 7. Rc5 {Kf7 a4 bxa4 bxa4 Ke6 Kg3}) (4... Qb8 5. Qh2 Qb6+ 6. Kh1 Ne7 7. Re5 Qf6 8. Rce1 Qxf3+ 9. Qg2 Qxg2+ 10. Kxg2 Nd5 11. Kf3 Nf6 12. Rc5 Kf7) (4... Qh4 5. Qg4 Qe7 6. Qe4 Qd6 7. Qe5 Qb6+ 8. Kh1 Nf6 9. Qg3 Qe6 10. Re5 Qd7 11. Qh2 Qd4 12. Rg1 Qd7) (4... Qd6 5. Rd1 Qb6+ 6. Qf2 Qe6 7. Qh4 Rd6 8. Qe4 Nf6 9. Qxe6+ Rxe6 10. Kf2 Rc6 11. Rd2 Kf7 12. Re5 Rc1) (4... Nc3 5. Qxg3 Ne2+ 6. Kf2 Nxg3 7. Kxg3 Kh7 8. Rc7 Rd1 9. Rff7 Rg1+ 10. Kf2 Rg5 11. a3 Kh8 12. f4 Rxh5) 5. Kxg2 {Ne3+ Kh3 Nxf5 Rc5 Nd4 Kg4 Ne2 Rc6 Rd4+ Kh3 Nf4+ Kh4 Kh7 Rxa6 Nxh5+ Kh3 Nf4+ Kg4 b4 Ra7} Ne3+ ({ Kh3 Nxf5 Rc6} 5... Rd6 6. Rc8+ {Kf7 Kg4 Ke6 Rc7 Ne3+ Kg3 Rd2 Rc6+ Kf5 Rc5+ Nd5 a3}) (5... g6 6. Re5 Nf4+ 7. Kf1 Rd3 8. Rc6 Rxf3+ 9. Kg1 gxh5 10. Rxa6 Rg3+ 11. Kf2 Rg5 12. Re7 Rg7 13. Rxg7+ Kxg7 14. Ra5) (5... Nb4 6. Kg3 Nxa2 7. Rc7 Kh8 8. Rff7 Rg8 9. Rf4 a5 10. Rf5 Rb8 11. Rff7 Rg8 12. Ra7 Nc3 13. Rxa5 Re8) (5... b4 6. Kg3 Nc3 7. Rc2 Rd1 8. Rf4 Rg1+ 9. Kh2 Rg5 10. Rxb4 Rxh5+ 11. Kg3 Nd5 12. Rc8+ Kh7 13. Re4 Rg5+ 14. Kf2) (5... Ne7 6. Re5 Kf8 7. Kg3 Rd6 8. Rce1 Ng8 9. Re6 Rd5 10. Rxa6 Nf6 11. Ra8+ Kf7 12. Ra7+ Kf8 13. Ree7 Nxh5+ 14. Kg4) 6. Kg3 ( {Nxf5+ Kf4 Ne7 Rc2 Nd5+} 6. Kg3 {Nf6 Rc6 Nxh5+ Kh4 Nf6 Rxa6} g5 {Kg3 Kf7} 7. Rc6 Ra8 8. Rc2) (6. Kh3 Nxf5 7. Rc6 Rd6 8. Rc8+ Kf7 9. Kg4 Ke6 10. Rc7 Ne3+ 11. Kg3 Rd2 12. Rc6+ Kf5 13. Rc5+ Kf6 14. a4 bxa4 15. bxa4 Nf5+) (6. Kf2 Nxf5 7. Rc5 Ne7 8. Ke2 Kf7 9. Rc7 Rd5 10. Ra7 Rxh5 11. Rxa6 Re5+ 12. Kf2 Rc5 13. a4 Rc2+ 14. Kg3 bxa4 15. bxa4 g5) (6. Kg1 Nxf5 7. Rc5 Nd4 8. Kf2 Re8 9. Kf1 Nxf3 10. Rc6 Re5 11. Kf2 Nd2 12. Rxa6 Rxh5 13. Ke3 Rh2 14. a4 bxa4 15. Ra8+) (6. Kh2 Nxf5 7. Kh3 Rd2 8. a4 Rd5 9. Rc6 bxa4 10. bxa4 Ra5 11. Rc8+ Kf7 12. Rc4 Nd6 13. Rc7+ Kf6 14. Rc6 Rxh5+ 15. Kg4) 6... Nxf5+ ({Kf4 Ne7 Rc2 Kf7 Rc7} 6... Rd2 7. a3 {Kf6 Ra7} Rd4 {Kg3 Nf5+} 8. Kf2 Rd2+ 9. Ke1 Rd6 10. a4 {Kg5}) (6... Re8 7. Rfc5 Rf8 8. Re5 Nf5+ 9. Kg4 Nd4 10. f4 Kh7 11. Rc7 Rf6 12. Rd7 Nc6 13. Re8 b4 14. f5 Rf8 15. Re6 Rf6 16. Rxf6) (6... b4 7. Re5 Rd3 8. Rc6 Kf7 9. Rxa6 Nd5 10. Rd6 Nf4 11. Rxd3 Nxd3 12. Rd5 Nc1 13. Rd2 Kf6 14. Kf4 Kf7 15. Kf5 Ke7) (6... Rd5 7. Rc8+ Kh7 8. Rxd5 Nxd5 9. Ra8 Nf6 10. Kh4 b4 11. Rxa6 Nd5 12. Ra7 Kg8 13. Rb7 Kf8 14. Rb5 Nc3 15. Rxb4 Nxa2) (6... Rd7 7. Rc8+ Kh7 8. Re5 Nd5 9. Ree8 g5 10. hxg6+ Kxg6 11. Re6+ Kg7 12. Rxa6 b4 13. Rc4 Rb7 14. Ra5 Nf6 15. f4 h5) * [Event "CT Problema"] [Site "Chesstempo.com"] [Date "2023.06.04"] [Round "?"] [White "109739"] [Black "player"] [Result "*"] [Annotator "https://lichess.org/@/ajedrezhoy"] [SetUp "1"] [FEN "6k1/1pq2p1p/1r2B1p1/8/p7/2P2QPP/1b2RP2/6K1 w - - 0 1"] [PlyCount "8"] [EventDate "2023.??.??"] 1. Bxf7+ Qxf7 ({Qd3 Qc7 Qd5+} 1... Kf8 2. Re3 Rf6 {Qd4 Qd6 Qxa4 Kg7 Qb5 Ba3} 3. Qxb7 Rxf7 4. Qe4 {Bc5} Rf3) (1... Kg7 2. Bd5 Rf6 3. Qg4 Bxc3 4. Re8 Rf8 5. Qxa4 Rxe8 6. Qxe8 Bd4 7. Kg2 Kh6 8. h4 Qc5 9. Bxb7 Bxf2) (1... Kf8 2. Re8+ Kg7 3. Rg8+ Kh6 4. Qe3+ Kh5 5. g4+ Kh4 6. Qh6#) (1... Kh8 2. Re8+ Kg7 3. Rg8+ Kh6 4. Qe3+ Kh5 5. g4+ Kh4 6. Qh6#) 2. Qd3 ({Qc7} 2. Qd5 Kf8 3. Re3 Rf6 4. Qd4 { Qd6 Qxa4} Kg7 {Qb5 Ba3} 5. c4 {Rf7 Qb3 Bc5}) (2. Qe3 Rb3 3. Qd4 Ba3 4. Qxa4 Bc5 5. Kg2 Rxc3 6. Qe8+ Qxe8 7. Rxe8+ Kf7 8. Rb8 Rc2 9. Rxb7+ Ke6) (2. Qe4 a3 3. Qd4 a2 4. Qd8+ Kg7 5. Re7 a1=Q+ 6. Kg2 Re6 7. Qd4+ Kg8 8. Rxf7 Kxf7 9. Qf4+) ( 2. Qg4 a3 3. Qc8+ Kg7 4. Qd8 a2 5. Re7 a1=Q+ 6. Kg2 Re6 7. Qd4+ Kg8 8. Rxf7 Kxf7 9. Qf4+) (2. Kg2 Qxf3+ 3. Kxf3 Rf6+ 4. Kg2 a3 5. Re8+ Rf8 6. Re1 a2 7. c4 a1=Q 8. Rxa1 Bxa1 9. h4) 2... Qc7 (2... Qd5 {Kf8} 3. Re3 Rf6 4. Qd4 Qd6 5. Qxa4 Kg7 6. Qb5 Ba3 7. c4 Rf7 8. Qb3 Bc5) (2... Re6 3. Qd8+ Kg7 4. Qd4+ Rf6 (4... Kg8 5. Qd8+ Qf8 6. Qd5 Qd6 7. Qxd6 Rxd6 8. Rxb2 a3 9. Ra2 Ra6 10. Kf1 Kf7 11. Ke2 Ke6 12. Kd3 Kd5 13. f4 h5 14. g4 h4 15. c4+ Kc5 16. Kc3 Re6 17. Rf2 Re3+ 18. Kc2 Kxc4 19. f5 g5 20. f6 Re8 21. f7 Rf8 22. Kb1 Kd5 23. Rf5+ Ke6 24. Rxg5 Rxf7 25. Rh5 b5 26. Rxb5 Rf3 27. Rb6+ Ke5 28. Rb5+ Ke6 29. Rb6+ Kd5 30. g5 Rxh3 31. Rb4 Ke5 32. g6 Kf6 33. Rg4 Kg7 34. Ka2 Kh8 35. Rf4 Kg7 36. Rg4 Rh1 37. Rb4 h3 38. Rb3 Kxg6 39. Rg3+ Kf5 40. Rc3 Ke5 41. Rxa3 Rh2+ 42. Ka1 Kf4 43. Rb3 Rh1+ 44. Ka2 Rh2+ 45. Ka1 Rh1+ 46. Ka2 Kg4 47. Rb4+ Kg3 48. Rb3+ Kg4 49. Rb4+ Kg3 { Nepomniachtchi, Ian - Nakamura, Hikaru, 1/2-1/2, Moscow Tal Memorial 6th, 2011, https://lichess.org/oxnDbQme}) 5. Rxb2 a3 6. Rb5 h5 7. Ra5 Qe7 8. Ra7 g5 9. Kg2 Kg6) (2... Kg7 3. Qd8 Re6 4. Qd4+ Rf6 5. Rxb2 a3 6. Rb5 h5 7. Ra5 Qe7 8. Ra7 g5 9. Kg2 h4) (2... Rf6 3. Qd8+ Kg7 4. Re7 Bxc3 5. Qc7 Bd4 6. Rxf7+ Rxf7 7. Qc4 Bb6 8. Qxa4 Rxf2 9. Kh1 Rf7 10. Kh2 Rf2+ 11. Kh1) (2... Rc6 3. Qd8+ Kg7 4. Re7 a3 5. Qd7 Rf6 6. Rxf7+ Rxf7 7. Qd4+ Kg8 8. Qa4 Kg7 9. f4) (2... Qf6 3. Re8+ Kg7 4. Qd7+ Kh6 5. Re7) 3. Qd5+ ({Kf8} 3. Re3 Rf6 4. Qd4 Qd6 5. Qxa4 Kg7 6. Qb5 Ba3 7. Qxb7+ Rf7 8. Qe4 Bc5 9. Rf3) (3. Re8+ Kg7 4. Rd8 Qxc3 5. Qd7+ Kh6 6. Qxa4 Qe1+ 7. Kg2 Rb4 8. Qe8 Qxe8 9. Rxe8 Bf6 10. f4) (3. Re4 Rd6 4. Qe2 Bxc3 5. Rc4 Rc6 6. Rxa4 Kg7 7. Kg2 Qd7 8. Qb5 Rc7 9. Qb6 Qd5+ 10. f3) (3. Qd1 Bxc3 4. Qxa4 Kg7 5. Qe4 Bf6 6. Re1 Rc6 7. Qd5 Rc5 8. Qd3 Rc1 9. Rxc1 Qxc1+ 10. Kh2) (3. Qd4 Bxc3 4. Qxa4 Kg7 5. Qe4 Bf6 6. Re1 Rc6 7. Qd5 Rc5 8. Qd3 Rc1 9. Rxc1 Qxc1+ 10. Kh2) 3... Kf8 ({Re3 Rf6 Qd4 Qd6 Qxa4 Rf7 Qb5 Ba3 Qe5 Qxe5 Rxe5 Rc7 Rb5 Bc5 Kg2 } 3... Kg7 4. Qd4+ Rf6 5. Rxb2 a3 6. Rb3 Qe7 7. c4 Kf7 8. Qa1 Qe4 9. Qa2 Rd6 10. Qa1 Rf6) (3... Qf7 4. Qd8+ Kg7 5. Qxb6 Bxc3 6. Qd6 Bf6 7. Rc2 Be7 8. Qd4+ Qf6 9. Qxa4 Qe5 10. Qa7 Qd6 11. Kh2) (3... Kh8 4. Re8+ Kg7 5. Rg8+ Kf6 6. Qf3+ Ke6 7. Re8+ Kd6 8. Qf4+ Kc6 9. Re6+ Kd7 10. Re7+ Kxe7 11. Qxc7+ Kf8 12. Qxb6) ( 3... Re6 4. Rxe6 Kg7 5. Qd4+ Kg8 6. Re8+ Kf7 7. Qh8 Qd6 8. Qg8+ Kf6 9. Rf8+ Ke5 10. Qg7+ Ke4 11. Rf4+ Kd3 12. Rd4+ Qxd4 13. Qxd4+) 4. Qf3+ Kg7 * [Event "CT Problema"] [Site "Chesstempo.com"] [Date "2023.06.04"] [Round "?"] [White "player"] [Black "151543"] [Result "*"] [Annotator "https://lichess.org/@/ajedrezhoy"] [SetUp "1"] [FEN "r4rk1/1pp3bn/3pP3/3P1q1p/b1P1pN2/4B2P/Pp4Q1/1K1R1BR1 b - - 0 1"] [PlyCount "19"] [EventDate "2023.??.??"] 1... Ng5 2. Rd2 ({Bb3 Rxb2 Bxb2} 2. Qxg5 Qxg5 3. Rxg5 {Bg7 axb3 Ra1+ Kc2} c5 4. dxc6) (2. Rd4 Bxd4 (2... Kh8 3. Qxg5 Qxg5 4. Rxg5 Rxf4 5. Rxh5+ Kg8 6. Bg2) 3. Qxg5+ Qxg5 4. Rxg5+ Bg7 5. Bd4 Rxf4 6. Rxg7+ Kf8 7. Be2 Re8 8. Rxc7) (2. Nxh5 Bxd1 3. Nxg7 Kxg7 4. h4 Kg6 5. Be2 Bxe2 6. Qxe2 Qf3 7. Rxg5+ Kh7 8. Rh5+ Kg7 9. Rg5+ Kh7) (2. Qxg5 Qxg5 3. Rxg5 Bxd1 4. Bg2 Rxf4 5. Bxf4 Be2 6. Bxe4 Bxc4 7. Rxg7+ Kxg7 8. Kxb2) (2. Rd3 Bc2+ 3. Qxc2 exd3 4. Bxd3 Qe5 5. Qd2 Nf3 6. Rxg7+ Qxg7 7. Qxb2 Qxb2+ 8. Kxb2) 2... Bc2+ ({Kxc2 Rxa2 Qxg5 Qxg5 Rxg5 Ra1 Rxg7+ Kxg7 Nxh5+ Kg6 Rg2+ Kxh5} 2... Bb3 3. Rxb2 Bxb2 4. Qxg5+ Qxg5 5. Rxg5+ Bg7 6. axb3 Ra1+ 7. Kc2 c5 8. dxc6 Ra2+ 9. Kd1 bxc6 10. Bd4 Rxf4) (2... Bh6 3. e7 Rf7 4. Ne6 Rxe7 5. Bxg5 Bxg5 6. Qxg5+ Qxg5 7. Rxg5+ Kh7 8. Rxb2 b6) (2... Be8 3. Qxg5 Qxg5 4. Rxg5 Kh8 5. Rxb2 Bh6 6. h4 Bxg5 7. hxg5 Ra3 8. Rb3 Rxb3+) (2... Kh8 3. Qxg5 Qxg5 4. Rxg5 Be8 5. Rxb2 Bh6 6. h4 Bxg5 7. hxg5 Ra3 8. Rb3 Rxb3+) 3. Kxc2 ({Rxa2 Qxg5 Qxg5 Rxg5 Ra1 Rxg7+ Kxg7 Nxh5+ Kg6 Rg2+ Kxh5 Be2+ Kh4} 3. Rxc2 Rxa2 4. Rc3 Bxc3 5. Qxg5+ Qxg5 6. Rxg5+ Kh7 7. Rxh5+ Kg7 8. Rg5+ Kf6 9. Nh5+ Ke7 10. Rg7+ Bxg7 11. Bg5+ Bf6 12. Nxf6) 3... Rxa2 ({Qxg5 Qxg5 Rxg5 Ra1 Rxg7+ Kxg7 Kxb2 Rxf1 Rg2+} 3... Kh7 4. Nxh5) (3... Ra3 4. Bd4 Bxd4 5. Rxd4 Qxf4 6. Qxg5+ Qxg5 7. Rxg5+ Kh7 8. Be2 Re3 9. Rg2) (3... Qe5 4. Bd4 Qxf4 5. Qxg5 b1=Q+ 6. Kxb1 Qxg5 7. Rxg5 Rxf1+ 8. Kb2 Kf8 9. Rxg7) (3... Qf6 4. Bd4 Qxf4 5. Qxg5 b1=Q+ 6. Kxb1 Qxg5 7. Rxg5 Rxf1+ 8. Kb2 Kf8 9. Rxg7) (3... Bh6 4. e7 Rf7 5. Ne6 Rxe7 6. Bxg5 Bxg5 7. Qxg5+ Qxg5 8. Rxg5+ Kh8 9. Rxh5+ Rh7 10. Rxh7+) 4. Qxg5 (4. Qxg5 {Rxg5} Ra1 {Rxg7+ Kxg7} 5. Nxh5 {Kg6 Rg2+ Kxh5 Be2+ Kh4}) (4. Bd4 b1=Q+ 5. Kxb1 Rxd2 6. Qxd2 Bxd4 7. Qxd4 Qxf4 8. Be2 c5 9. Qc3) (4. Be2 Rfa8 5. Qxg5 Qxg5 6. Rxg5 b1=Q+ 7. Kxb1 Ra1+ 8. Kc2 R8a2+ 9. Kb3 Ra3+ 10. Kb4 Ra4+ 11. Kb5 Ra5+ 12. Kb4 c5+ 13. dxc6 R1a4+ 14. Kb3 Ra3+ 15. Kb4 R3a4+) (4. h4 Rfa8 5. Qxg5 Qxg5 6. Rxg5 b1=Q+ 7. Kxb1 Ra1+ 8. Kc2 R8a2+ 9. Kb3 Ra3+ 10. Kc2 R3a2+) ( 4. Nxh5 Qe5 5. Bd4 Qxd4 6. Rxd4 b1=Q+ 7. Kxb1 Rxg2 8. Rxg2 Rxf1+ 9. Rd1 Rxd1+ 10. Kc2 Rd4 11. Rxg5) 4... Qxg5 ({Rxg5} 4... Ra1 {Rxg7+ Kxg7 Kxb2 Rxf1 Rg2+ Kh7 Rg5 R1xf4 Bxf4} 5. h4 {Rh5+}) (4... b1=Q+ 5. Kxb1 Ra1+ 6. Kc2 Qxg5 7. Rxg5 Rfa8 8. Rxg7+ Kxg7 9. Bd4+ Kh6 10. Bxa1 Rxa1) (4... b1=R+ 5. Kxb1 Ra1+ 6. Kc2 Qxg5 7. Rxg5 Rfa8 8. Rxg7+ Kxg7 9. Bd4+ Kh6 10. Bxa1 Rxa1) (4... b1=B+ 5. Kxb1 Ra1+ 6. Kc2 Qxg5 7. Rxg5 Rfa8 8. Rxg7+ Kxg7 9. Bd4+ Kh6 10. Bxa1 Rxa1) (4... b1=N+ 5. Kxb1 Ra1+ 6. Kc2 Qxg5 7. Rxg5 Rfa8 8. Rxg7+ Kxg7 9. Bd4+ Kh6 10. Bxa1 Rxa1) 5. Rxg5 ({Ra1 Rxg7+ Kxg7 Kxb2 Rxf1 Rg2+ Kh7} 5. Rxg5 {Rg8 Rxh5+ Kg7}) (5. e7 Qxe7 6. Bd4 Rxf4 7. Bxg7 Rxf1 8. Rxf1 Qxg7 9. Rb1 e3 10. Kb3 exd2 11. Kxa2) (5. Rd1 b1=Q+ 6. Kxb1 Rb2+ 7. Kc1 Ra8 8. Rd4 Rf2 9. Bxf2 Qxf4+ 10. Rd2 Ra1+ 11. Kc2 Ra2+ 12. Kb3 Qxd2 13. Rxg7+) (5. Bg2 Rxf4 6. Rb1 Ra1 7. Rxb2 Bxb2 8. Kxb2 Qg7+ 9. Kc2 Ra2+ 10. Kb3 Rxd2) (5. Be2 b1=Q+ 6. Kxb1 Ra1+ 7. Kc2 Rxg1 8. Bxh5 Rxf4 9. Bxg1 Qxh5 10. Be3 Rf1) 5... Ra1 ({Rxg7+ Kxg7 Kxb2 Rxf1 Rg2+} 5... Kh7 { Rg5 R1xf4 Bxf4} 6. h4 {Rh5+ Kg6}) (5... Rxf4 6. Rdg2 b1=Q+ 7. Kxb1 Rxf1+ 8. Kxa2 Ra1+ 9. Kb3 Rb1+ 10. Ka3 Ra1+ 11. Ra2 Rxa2+ 12. Kxa2 Kf8 13. e7+ Kxe7 14. Rxg7+) (5... b1=Q+ 6. Kxb1 Ra1+ 7. Kc2 Rfa8 8. Rxg7+ Kxg7 9. Bd4+ Kf8 10. Ng6+ Kg8 11. Bxa1 Kh7 12. Bd4 Kxg6) (5... b1=R+ 6. Kxb1 Ra1+ 7. Kc2 Rfa8 8. Rxg7+ Kxg7 9. Bd4+ Kf8 10. Ng6+ Kg8 11. Bxa1 Kh7 12. Bd4 Kxg6) (5... b1=B+ 6. Kxb1 Ra1+ 7. Kc2 Rfa8 8. Rxg7+ Kxg7 9. Bd4+ Kf8 10. Ng6+ Kg8 11. Bxa1 Kh7 12. Bd4 Kxg6) 6. Rxg7+ ({Kxg7 Kxb2 Rxf1 Rg2+ Kh7 Rg5 R1xf4 Bxf4 b6} 6. Rxh5 {Kg6 Rg5+ Kf6 Kc3}) (6. Rd1 Rxd1 7. Rxg7+ Kxg7 8. Kxb2 Rxf1 9. Bd4+ Kh6 10. Ne2 R1f3 11. h4 Kg6 12. Kc2 Ra8 13. Nc3) (6. Rd4 b1=Q+ 7. Kc3 Ra3+ 8. Kd2 Ra2+ 9. Kc3 Qb2#) (6. Re5 b1=Q+ 7. Kc3 Ra3+ 8. Kd4 Bxe5#) (6. Kb3 b1=Q+ 7. Rb2 Qxb2#) 6... Kxg7 ( {Rg2+ Kh7 Kxb2 Rxf1 Rg5 R1xf4 Bxf4 b6 Kc3 h4 Rh5+ Kg6 Rxh4 Re8} 6... Kh8 7. Kxb2 Kxg7 8. Kxa1 Kh7 9. Bg2 Kg8 10. Bxe4 Rf6 11. Nxh5 Rf1+ 12. Kb2 Kf8 13. Rg2 ) 7. Rg2+ Kh7 8. Kxb2 Rxf1 9. Nxh5 Rg8 10. Rxg8 Kxg8 {Sokolov, Ivan - Erdogdu, Mert, 1-0, EU-Cup 20th, 2004, https://lichess.org/nYdH1f3W} * [Event "CT Problema"] [Site "Chesstempo.com"] [Date "2023.06.05"] [Round "?"] [White "170252"] [Black "player"] [Result "*"] [Annotator "https://lichess.org/@/ajedrezhoy"] [SetUp "1"] [FEN "r2r2k1/4bp1p/p1b1p1p1/2q1P1B1/p7/2P3QR/2B2PPP/4R1K1 w - - 0 1"] [PlyCount "44"] [EventDate "2023.??.??"] 1. Rxh7 Kxh7 ({Qh4+ Kg8 Bxe7} 1... Qxc3 2. f3 Rd2 3. Bd1 a3 {Bb4 Rd4 Bxc3} 4. Rh4 {Bb3}) (1... Bxg5 2. Qh3 Kf8 3. Bxg6 Be8 4. Qf3 Qa7 5. h4 Rd2 6. Be4 Rb8 7. hxg5 Rbb2 8. Rh8+) (1... Qd5 2. Bxe7 Qd2 3. f4 Qxg2+ 4. Qxg2 Bxg2 5. Rh6 Kg7 6. Rh4 Rg8 7. Kxg2 Rac8 8. Bxa4) (1... Rd2 2. Rxf7 Be8 3. Bxd2 Bxf7 4. Bxg6 Bh4 5. Bxf7+ Kxf7 6. Qxh4 Ke8 7. Qh5+ Kd7 8. Rd1) (1... Rd1 2. Rxd1 Bxg5 3. Rxf7 Kxf7 4. Qxg5 Qf8 5. Qxg6+ Ke7 6. Qg5+ Kf7 7. Qf6+ Kg8 8. Qxe6+ Qf7 9. Bh7+ Kg7 10. Qxc6) 2. Qh4+ ({Kg8} 2. Bxe7 Qxc3 3. f3 Rd2 4. Bd1 a3 5. Bb4 Rd4 {Qh8+ Kxh8} 6. Bxc3 Rc4 7. Ba5 Rb8) (2. h4 Bxg5 3. Qxg5 Rg8 4. h5 f5 5. Re3 Rg7 6. Rh3 Qxe5 7. hxg6+ Kg8 8. Qh5 Rd7 9. f4 Qc5+) (2. Qh3+ Kg8 3. Bxg6 fxg6 4. Qxe6+ Kf8 5. Bxe7+ Qxe7 6. Qxc6 Qxe5 7. Qf3+ Qf5 8. Qb7 a5 9. Qh7) (2. Bxg6+ fxg6 3. Qh4+ Kg8 4. Bxe7 Qxc3 5. Rf1 Rd7 6. Bf6 Rh7 7. Qg4 Kf7 8. Qf4 Qd3 9. h4) (2. Rc1 Bxg5 3. Qxg5 a3 4. h4 f5 5. exf6 Qxg5 6. hxg5 Rab8 7. Kh2 Rd2 8. Kg3 Rb5 9. f4) 2... Kg8 ({Bxe7 Qxc3 f3 Rd2 Bd1 Rb8 Bf6 Qd4+ Qxd4 Rxd4 Be2 a3 Ra1 Rb2 Bxa6 Rdd2 Bf1 a2 Bg5 Rxg2+ Bxg2} 2... Kg7 3. Bxe7 Qxe7 4. Qxe7 Rab8 5. Qf6+ Kg8 6. Bxg6 Be8 7. Be4 Kf8 8. Qh6+ Ke7 9. c4 Rdc8 10. Qd2 Rd8 11. Qg5+) 3. Bxe7 ({ Qxc3 f3 Rd2} 3. Bd1 {Rb8} Bf6 4. Qd4 Qxd4 {Rxd4} 5. Be2 a3 6. Ra1 {Rb2 Bxa6 Rdd2}) (3. Bxg6 fxg6 4. Bxe7 Qxc3 5. Rf1 Rd7 6. Bf6 Rh7 7. Qg4 Kf7 8. Qf4 Qd3 9. h3 a3 10. Qb4 Kg8) (3. Rf1 Qd5 4. Be4 Bxg5 5. Bxd5 Bxh4 6. Bxc6 Rac8 7. Bxa4 Rc4 8. Bd1 Rd2 9. g3 Be7 10. Bf3 Rxc3) (3. c4 Bxg5 4. Qxg5 Qb4 5. Qc1 Qxc4 6. Bb1 Qxc1 7. Rxc1 a3 8. Ba2 Rd2 9. h4 Rc8 10. Ra1) (3. Rb1 Qd5 4. f3 Bxg5 5. Qxg5 Qd2 6. Qxd2 Rxd2 7. Rb6 Bxf3 8. Bxa4 Rxg2+ 9. Kf1 Rxh2 10. Kg1) 3... Qxc3 ({f3} 3... Rd2 4. Be4 Bxe4 5. Qxe4 Rb8 6. Bg5 Rd4 7. Qe2 Rb2 8. Qf1 {Qd3 Qxd3} Rd3 9. Bc1) (3... Qxe7 4. Qxe7 Rd7 5. Qf6 Re8 6. Ra1 Rc8 7. h4 Rcc7 8. Bxg6 fxg6 9. Qxg6+ Rg7 10. Qxe6+ Kh7 11. Qf5+) (3... Qd5 4. f3 Qd2 5. Bf6 Qxe1+ 6. Qxe1 Kf8 7. Qh4 Ke8 8. Qh7 Rd2 9. Bxg6 Kd7 10. Qxf7+ Kc8 11. Qxe6+) (3... Rd1 4. Bxd1 Qxc3 5. Rf1 Qxe5 6. Bf6 Qxf6 7. Qxf6 Be8 8. Re1 Rb8 9. Re3 Rb1 10. Qd8 Kf8 11. Rh3) (3... f5 4. Bxc5 Rd7 5. Re3 Rad8 6. Bd6 Re8 7. Rg3 Rg7 8. Qf6 g5 9. Rxg5 Rxg5 10. Qxg5+ Kh7) 4. Rf1 Rd4 5. Qh6 Rg4 6. f3 Qxc2 7. g3 g5 8. Bf6 Qh7 9. Qxh7+ Kxh7 10. fxg4 Rb8 11. Rc1 Bd5 12. Be7 Kg7 13. h4 Rb3 14. h5 Rxg3+ 15. Kf2 Rxg4 16. Rc8 Rf4+ 17. Kg3 Rf5 18. Bf6+ Rxf6 19. exf6+ Kxf6 20. Rc3 Kg7 21. Ra3 Bb3 22. Kg4 Kh6 {Naumkin, Igor - Sadler, Matthew, 0-1, Ostend op, 1992, https://lichess.org/5qWF3tHD} * [Event "CT Problema"] [Site "Chesstempo.com"] [Date "2023.06.06"] [Round "?"] [White "109167264"] [Black "player"] [Result "*"] [Annotator "https://lichess.org/@/ajedrezhoy"] [SetUp "1"] [FEN "6rk/p4p2/3P1p1p/2pb4/1p1n1P2/P2K2Q1/1P1B2PP/qB1R4 w - - 0 1"] [PlyCount "12"] [EventDate "2023.??.??"] 1. Qh4 Rxg2 ({Qxf6+ Kg8 Qxd4 cxd4 d7 Rxd2+ Kxd2} 1... Qxb2 {Ke1 Qc3+ Rd2 Qe3+}) (1... Kh7 2. Qh5 f5 3. Ke3 Qxb2 4. Bxf5+ Kg7 5. Bd7 f5 6. Kf2 Bb3 7. axb4 Bxd1) (1... Ra8 2. Qxf6+ Kg8 3. d7 Ba2 4. axb4 Bxb1+ 5. Ke3 Qxb2 6. d8=Q+ Rxd8 7. Qxd8+) (1... Rb8 2. Qxf6+ Kg8 3. d7 Ba2 4. axb4 Bxb1+ 5. Ke3 Qxb2 6. d8=Q+ Rxd8 7. Qxd8+) (1... Kg7 2. Qg4+ Kf8 3. Qc8+ Kg7 4. Qxc5 Bb3 5. Rc1 Ne6 6. Qxb4 Qxb2 7. f5 Ng5) (1... Rg6 2. Qh5 f5 3. d7 Ne6 4. Qxf5 c4+ 5. Ke3 Qxb2 {Plachetka, Jan - Ogaard, Leif, 1-0, Gausdal Int, 1986, https://lichess.org/JoY1tXmK}) 2. Qxf6+ ({Kg8 Qxd4 cxd4} 2. d7 Rxd2+ 3. Kxd2 Qxb2+ 4. Ke1 Qc3+ 5. Rd2) (2. Qxh6+ Kg8 3. Qh3 Qxb2 4. Qc8+ Kg7 5. Qxc5 Rxd2+ 6. Rxd2 Qxb1+ 7. Rc2 Qd1+ 8. Ke3 Nxc2+ 9. Qxc2 Qxc2) (2. Re1 Rxd2+ 3. Kxd2 Qxb2+ 4. Ke3 Qc3+ 5. Bd3 Nf5+ 6. Kf2 Qd4+ 7. Kf1 Qxd3+ 8. Re2 Nxh4) (2. Qg4 Rxg4 3. d7 Ne6 4. Bxb4 Qxb2 5. d8=Q+ Nxd8 6. Ke3 Qxh2 7. Bxc5) (2. Bc3 bxc3 3. Qxf6+ Kg8 4. Qxd4 cxd4 5. Kxd4 Qxb2 6. Kxd5 Rd2+ 7. Ke4 Rxd1) (2. d7 Rxd2+ 3. Rxd2 Qxb1+ 4. Ke3 Qe4+ 5. Kf2 Qg2+ 6. Ke3 Qf3#) 2... Kg8 ({Qxd4 cxd4 d7 Rxd2+ Kxd2 Qxb2+ Ke1 Qc3+ Rd2 Qe3+ Re2 Qc1+} 2... Kh7 3. Ke3+ Qxb1 4. Rxb1 Bc4 5. Re1 Rg6 6. Qxg6+ fxg6 7. axb4 Bb5 8. Kf2 cxb4) (2... Rg7 3. d7 Nc6 4. Rg1 Qxb1+ 5. Rxb1 c4+ 6. Ke3 Kh7 7. Qf5+ Rg6 8. Qxd5 Re6+) 3. Qxd4 ({cxd4} 3. d7 Rxd2+ 4. Kxd2 Qxb2+ 5. Ke1 Qc3+ 6. Rd2 Qe3+ 7. Re2) (3. Qe5 Rxd2+ 4. Kxd2 Qxb2+ 5. Ke1 Nf3+ 6. Kf1 Nxh2+ 7. Ke1 Nf3+ 8. Kf1 Nxe5 9. fxe5) (3. Qd8+ Kg7 4. Qe7 Qxb2 5. Qe5+ f6 6. Qe7+ Bf7 7. Qxf7+ Kxf7 8. Kc4 Qb3+ 9. Kxc5 Ne6+ 10. Kb5 Qxd1) (3. Bc3 bxc3 4. Qxd4 cxd4 5. Kxd4 Qxb2 6. Kxd5 Rd2+ 7. Ke4 Rxd1) (3. Qe7 Qxb2 4. Qe8+ Kh7 5. Ke3+ Nc2+ 6. Bxc2+ Qxc2 7. Qe5 Qxd1 8. Qf5+ Kg8 9. Qc8+ Kg7 10. Bc3+ bxc3 11. Qg4+ Qxg4 12. Kd3 Qf3#) 3... cxd4 ({d7} 3... Rxd2+ 4. Kxd2 Qxb2+ 5. Ke1 Qc3+ 6. Rd2 Qe3+ 7. Re2 Qc1+ 8. Kf2 Qxf4+ 9. Ke1) (3... Ba2 4. Qf6 Bxb1+ 5. Ke3 Rg6 6. Qxg6+ fxg6 7. d7 Qxb2 8. d8=Q+ Kf7 9. Bxb4 Qb3+ 10. Kf2) (3... Bf3 4. d7 Be2+ 5. Ke4 cxd4 6. d8=Q+ Kg7 7. Qxd4+ Kg8 8. Rg1 Bg4 9. Qd8+ Kg7 10. Rxg2 Qxb1+) (3... Rxd2+ 4. Kxd2 cxd4 5. Bh7+ Kxh7 6. Rxa1 Bc6 7. axb4 Kg7 8. Kd3 Kf6 9. Kxd4 a6 10. Rxa6) (3... Be6 4. Qe4 Rxd2+ 5. Ke3 Re2+ 6. Kxe2 Qxb2+ 7. Kf3 h5 8. d7 Bg4+ 9. Kg3 Bxd7 10. Rxd7) 4. d7 ({Rxd2+ Kxd2 Qxb2+ Ke1 Qc3+ Rd2 Qe3+ Re2 Qc1+ Kf2 Qxf4+} 4. Kxd4 Qxb2+ 5. Kxd5 Qb3+ 6. Kc6 Qxd1 7. Bxb4 Qxb1 8. h4 Qe4+ 9. Kb5 Qxf4) (4. Bc2 Qa2 5. b3 Bxb3 6. Bb1 Qxa3 7. Kxd4 Bxd1 8. Be1 Qb2+ 9. Kc5 Qc1+) (4. Rc1 Qxb2 5. Rc2 Qxb1 6. d7 Kh7 7. d8=Q b3 8. Qc8 bxc2 9. Bc1 Qxc1) (4. Bc3 bxc3 5. Kxd4 Rd2+ 6. Rxd2 cxd2 7. Bc2 Qxb2+ 8. Kd3 Be4+ 9. Kxd2 Qxc2+ 10. Ke3 Qd3+ 11. Kf2 Qd2+ 12. Kf1 Bf3 13. d7 Qe2+ 14. Kg1 Qg2#) 4... Rxd2+ ({Kxd2} 4... Qxb2 {Ke1 Qc3+ Rd2 Qe3+ Re2 Qc1+ Kf2 Qxf4+ Ke1 Qh4+ Kd2 Kg7} 5. axb4) (4... Bb3 5. d8=Q+ Kh7 6. Qe8 Bxd1 7. Qxf7+ Rg7 8. Qf5+ Kg8 9. Qe6+ Kh8 10. Qxh6+ Kg8 11. Qe6+ Kh7 12. Qh3+ Kg6 13. Qe6+ Kh7) (4... Kg7 5. d8=Q Rxd2+ 6. Kxd2 Qxb2+ 7. Ke1 Qc3+ 8. Rd2 Qe3+ 9. Re2 Qc1+ 10. Kf2 Qxf4+ 11. Ke1 Qc1+ 12. Kf2 Qf4+) (4... Kh7 5. d8=Q Bb3 6. Qe8 Bxd1 7. Qxf7+ Rg7 8. Qf5+ Kg8 9. Qe6+ Kh8 10. Qxh6+ Kg8 11. Qe6+ Kh7 12. Qh3+ Kg6 13. Qe6+ Kh7) (4... Ba2 5. d8=Q+ Kh7 6. Bc2 Qxb2 7. Qxd4 Qxa3+ 8. Ke4 Bb3 9. Qd3 Bxc2 10. Qxc2 a5 11. h4 Rg3) 5. Kxd2 ({Qxb2+ Ke1 Qc3+} 5. Rxd2 { Qe3+ Re2 Qc1+ Kf2 Qxf4+ Ke1 Qh4+ Kd2} Kg7 6. axb4 Be6 {Bd3}) (5. Rxd2 Qxb1+ 6. Rc2 Qd1+ 7. Rd2 Qf3+ 8. Kxd4 Qe4+ 9. Kc5 Qc4+ 10. Kd6 Qxf4+ 11. Kc5 Qc4+ 12. Kd6 Qc6+) 5... Qxb2+ ({Ke1 Qc3+ Rd2 Qe3+ Re2 Qc1+ Kf2 Qxf4+ Ke1 Qh4+ Kd2} 5... Kg7 6. axb4) (5... Be4 6. d8=Q+ Kg7 7. Qxd4+ Kg8 8. Bxe4 Qxd1+ 9. Kxd1 h5 10. f5 f6 11. Qxf6 bxa3 12. Bd5+ Kh7 13. Qf7+ Kh8 14. Qg8#) (5... f6 6. d8=Q+ Kf7 7. Qxd5+ Kf8 8. Qxd4 Qxb2+ 9. Qxb2 Ke7 10. Qxb4+ Kf7 11. Ke3 f5 12. Bxf5 h5 13. Rd7+ Kf6 14. Qf8#) (5... Qxb1 6. Rxb1 Be4 7. d8=Q+ Kh7 8. Rg1 Bg6 9. f5 bxa3 10. fxg6+ fxg6 11. Qe7+ Kh8 12. Rxg6 axb2 13. Qg7#) (5... Bg2 6. d8=Q+ Kg7 7. Qxd4+ Kg8 8. Rc1 Qxb2+ 9. Qxb2 Bc6 10. Rxc6 Kf8 11. Qh8+ Ke7 12. Rc7+ Kd6 13. Qe5#) 6. Ke1 ({Qc3+ Rd2 Qe3+ Re2 Qc1+ Kf2 Qxf4+} 6. Ke1 {Qh4+ Kd2} Kg7 7. axb4 Be6 8. Bd3 Bxd7) (6. Kd3 Qc3+ 7. Ke2 Qe3+ 8. Kf1 Qxf4+ 9. Ke1 Qh4+ 10. Ke2 Qg4+ 11. Kd2 Qg5+ 12. Ke2 Qg2+ 13. Ke1 Qg1+ 14. Ke2 Bc4+ 15. Rd3 Bxd3+) (6. Bc2 Qc3+ 7. Ke2 Bf3+ 8. Kf1 Qxc2 9. d8=Q+ Kh7 10. Rd2 Qxd2 11. Qe8 Qg2+ 12. Ke1 Qg1+ 13. Kd2 Qd1#) 6... Qc3+ ({Rd2 Qe3+ Re2} 6... Qc1 7. Kf2 Qxf4+ 8. Ke1 Qh4+ 9. Kd2 Kg7 10. axb4 Be6 11. Bd3 Bxd7) (6... Kg7 7. d8=Q Qc3+ 8. Rd2 Qe3+ 9. Re2 Qc1+ 10. Kf2 Qxf4+ 11. Ke1 Qc1+ 12. Kf2 Qf4+) (6... Qg2 7. d8=Q+ Kg7 8. Qe7 Bb3 9. Qe5+ f6 10. Qc7+ Bf7 11. Rd3 Qg1+ 12. Kd2 Qxh2+ 13. Kc1 a5) (6... Qb3 7. d8=Q+ Kg7 8. Bd3 bxa3 9. Qe7 Qc3+ 10. Kf2 Qb2+ 11. Be2 d3 12. Qe5+ Qxe5 13. fxe5 f6) (6... d3 7. d8=Q+ Kg7 8. Bxd3 Qc3+ 9. Ke2 Qd4 10. Qe7 Be6 11. Qxb4 Bg4+ 12. Kd2 Qf2+ 13. Kc1 Bxd1 14. Kxd1) * [Event "CT Problema"] [Site "Chesstempo.com"] [Date "2023.06.07"] [Round "?"] [White "player"] [Black "167032"] [Result "*"] [Annotator "https://lichess.org/@/ajedrezhoy"] [SetUp "1"] [FEN "6k1/5pp1/PBp4p/2P2q2/3p3P/6Pn/4QP1K/8 b - - 0 1"] [PlyCount "14"] [EventDate "2023.??.??"] 1... d3 2. Qf1 {[%csl Rh3]} ({d2} 2. a7 Nxf2 3. a8=Q+ Kh7 4. Qa1 Qf3 5. Qb1 f5 6. Bc7 Ng4+ 7. Kg1 Nf2 8. Qxf2 {d1=Q+} Qd1+ 9. Qxd1) (2. Qd2 $2 Nxf2 3. Kg2 Kh7 4. Qxf2 Qd5+ 5. Qf3 d2 6. Qxd5 cxd5 7. a7 d1=Q 8. a8=Q Qe2+ 9. Kg1 Qe1+ 10. Kh2 Qf2+ 11. Kh3 Qf1+ 12. Kh2 Qf2+) (2. Qe1 Nxf2 3. a7 Qh3+ 4. Kg1 Qxg3+ 5. Kf1 Qh3+ 6. Kxf2 Qxh4+ 7. Kf1 Qh1+ 8. Kf2 Qh4+) (2. Qe3 Nxf2 3. Kg1 Ng4 4. Qe1 Ne5 5. Qd1 Nf3+ 6. Kg2 d2 7. a7 Ne1+ 8. Kg1 Qe4 9. a8=Q+ Kh7 10. Qxd2 Nf3+ 11. Kf2 Nxd2) (2. Qe8+ Kh7 3. Qe1 Nxf2 4. a7 Qh3+ 5. Kg1 Ng4 6. Qe4+ g6 7. Qg2 Qxg2+ 8. Kxg2 d2 9. a8=Q d1=Q 10. Qa2) 2... d2 ({a7} 2... Nxf2 {a8=Q+ Kh7 Qaa1 Qf3 Qab1+ Kg8} 3. Bc7 Ng4+ 4. Kg1 Qxf1+ 5. Kxf1 Ne3+ {Ke2 d1=Q+ Qxd1 Nxd1 Kxd1}) ( 2... Kh7 3. a7 d2 4. a8=Q Nxf2 5. Qaa1 Qf3 6. Qab1+ Kg8 7. Bc7 Ng4+ 8. Kg1 Qxf1+ 9. Kxf1 Ne3+ 10. Ke2 d1=Q+ 11. Qxd1 Nxd1 12. Kxd1) (2... Nxf2 3. a7 d2 4. a8=Q+ Kh7 5. Qaa1 Qf3 6. Qab1+ Kg8 7. Bc7 Ng4+ 8. Kg1 Qxf1+ 9. Kxf1 Ne3+ 10. Ke2 d1=Q+ 11. Qxd1 Nxd1 12. Kxd1) (2... Qd5 3. Kxh3 d2 4. a7 d1=Q 5. Qxd1 Qxd1 6. a8=Q+ Kh7 7. Qxc6 Qf1+ 8. Kh2 f5 9. Qg2 Qb1 10. Qf3 Kg8 11. Qb7) (2... Qd7 3. Qxh3 Qd5 4. a7 d2 5. a8=Q+ Kh7 6. Qg4 d1=Q 7. Qxd1 Qxd1 8. Qxc6 Qd4 9. Qb7 Qxf2+ 10. Qg2 Qf5 11. c6) (2... Nf4 3. a7) 3. a7 ({Nxf2 a8=Q+ Kh7 Qaa1 Qf3 Qab1+ Kg8} 3. Bc7 {Ng4+ Kg1 Qxf1+ Kxf1 Ne3+ Ke2} d1=Q 4. Qxd1 {Nxd1 Kxd1}) (3. Ba5 Nxf2 4. Bxd2 Ng4+ 5. Kg2 Qxc5 6. Qe2 Qd5+ 7. Kg1 Qd4+ 8. Kg2 h5 9. Bg5 Qd5+ 10. Kg1 Qc5+ 11. Kg2) (3. g4 Qf4+ 4. Kxh3 Qf3+ 5. Kh2 d1=Q 6. Qxd1 Qxd1 7. a7 Qa4 8. Kg3 Kf8 9. f3 Ke7 10. Kf2 Ke6 11. Ke3) (3. f3 Nf2 4. a7 Qc8 5. Qxf2 d1=Q 6. Qa2 Qa8 7. Kg2 Qc1 8. Kh2 Qf1 9. f4 Qc1 10. Qe2 Qa1 11. Qe5) (3. Qd1 Qxf2+ 4. Kxh3 Qe1 5. Qxd2 Qxd2 6. a7 Qa2 7. Kg4 Kf8 8. Kf3 Ke7 9. g4 Kd7 10. Ke3 Qa3+ ) 3... Qxf2+ (3... Qxf2+ {Nxf2 a8=Q+ Kh7 Qc8 d1=Q Qf5+ Kh8} 4. Qxf2 {Qd5 Bc7} f5 {Bf4 Kh7} 5. Qe3 {Qe4}) (3... Kh7 4. a8=Q Nxf2 5. Qaa1 Qf3 6. Qab1+ Kg8 7. Bc7 Ng4+ 8. Kg1 Qxf1+ 9. Kxf1 Ne3+ 10. Ke2 d1=Q+ 11. Qxd1 Nxd1 12. Kxd1) (3... Nxf2 4. a8=Q+ Kh7 5. Qaa1 Qf3 6. Qab1+ Kg8 7. Bc7 Ng4+ 8. Kg1 Qxf1+ 9. Kxf1 Ne3+ 10. Ke2 d1=Q+ 11. Qxd1 Nxd1 12. Kxd1) (3... Qd7 4. a8=Q+ Kh7 5. Qb1+ f5 6. Kxh3 d1=Q 7. Qxd1 Qxd1 8. Qxc6 Qf1+ 9. Qg2 Qb1 10. Qf3 Kh8 11. Bc7 Kg8) (3... Qd5 4. Kxh3 d1=Q 5. Qxd1 Qxd1 6. a8=Q+ Kh7 7. Qxc6 Qf1+ 8. Kh2 f5 9. Qf3 Qb1 10. h5 Kh8 11. Kg2 Kg8) 4. Qxf2 ({Nxf2 a8=Q+ Kh7 Qc8 d1=Q Qf5+ Kh8} 4. Qxf2 { Qd7 Ba5} f6 {Bd2 Kg8 Bf4 Qe6} 5. Qxd2 f5 6. Qd8+ Kh7) (4. Qg2 d1=Q 5. a8=Q+ Kh7 6. Kxh3 Qxg2+ 7. Kxg2 Qe2+ 8. Kg1 Qe1+ 9. Kg2 Qd2+ 10. Kh3 Qd7+ 11. Kh2 Qd2+ 12. Kh3) (4. Kh1 Qxf1+ 5. Kh2 d1=Q 6. a8=Q+ Kh7 7. Qh8+ Kxh8 8. g4 Qg1+ 9. Kxh3 Qdxg4#) (4. Kxh3 Qxf1+ 5. Kh2 d1=Q 6. a8=Q+ Kh7 7. Qh8+ Kxh8 8. g4 Qg1+ 9. Kh3 Qdxg4#) 4... Nxf2 ({a8=Q+} 4... Kh7 {Qc8 d1=Q} 5. Qf5+ Kh8 6. Qf2 {Qd7 Ba5 Qd5 Qe3} Kh7 {Bc3 f6}) (4... f6 5. a8=Q+ Kf7 6. Qe2 Kg6 7. Qae8+ Kh7 8. Q2e6 d1=Q 9. Q6g8#) (4... Nf4 5. Qxf4 f6 6. a8=Q+ Kf7 7. Qc4+ Kg6 8. Qe8+ Kf5 9. Qce4#) ( 4... Ng5 5. hxg5 f6 6. a8=Q+ Kf7 7. Qe3 fxg5 8. Qae8+ Kf6 9. Qf2#) (4... g5 5. a8=Q+ Kg7 6. Qd4+ Kh7 7. Qf6 gxh4 8. Qxf7#) 5. a8=Q+ ({Kh7 Qc8 d1=Q Qf5+ Kg8 Qxf2 Qd7} 5. Ba5 f6 {Qf3 Qe6 Qd3 Qe7 Qb3+ Kh7 Qc4 f5}) (5. Kg2 d1=Q 6. a8=Q+ Kh7 7. Kxf2 Qc2+ 8. Kf3 Qc3+ 9. Kg4 Qc4+ 10. Kh3 Qf1+ 11. Kh2 Qe2+ 12. Kh3 Qf1+ ) (5. a8=R+ Kh7 6. Ra1 d1=Q 7. Rxd1 Nxd1 8. Kg2 Kg6 9. Kf3 Nc3 10. Bc7 Kf5 11. g4+ Ke6 12. Bd6 f5 13. Bf8 fxg4+) (5. Bc7 d1=Q 6. a8=Q+ Kh7 7. Kg2 Ng4 8. Qa2 Ne3+ 9. Kf2 Qd4 10. Ke2 Nd5 11. Qc2+ Kg8 12. Bd6 Qe3+ 13. Kf1) (5. g4 d1=Q 6. a8=Q+ Kh7 7. Qxc6 Qxg4 8. Qb5 Qh3+ 9. Kg1 Qg3+ 10. Kf1 Ne4 11. c6 Qf3+ 12. Kg1 Nc3 13. Qe5) 5... Kh7 ({Qc8 d1=Q Qf5+ Kg8 Qxf2 Qd7 Ba5 f6 Bd2 Qd5 Bf4 Qe4 Qa2+ } 5... Kh7 {Qb2 Qc4 Bd6 Qe4} 6. Kg1 {Qe3+}) 6. Qc8 ({d1=Q Qf5+ Kg8 Qxf2 Qd7} 6. Ba5 f6 7. Bxd2 {Qd5 Bf4 Qe4 Kg1 Qd5 Qe3 Kf7 Qa3} f5 8. Qa7) (6. Kg1 d1=Q+ 7. Kxf2 Qd4+ 8. Ke2 Qe4+ 9. Kd2 Qd4+ 10. Kc2 Qe4+ 11. Kc3 Qe1+ 12. Kb2 Qd2+ 13. Kb3 Qd3+ 14. Kb2 Qd4+ 15. Kb3 Qd3+) (6. Kg2 d1=Q 7. Kxf2 Qd4+ 8. Ke2 Qe4+ 9. Kd2 Qd4+ 10. Kc2 Qe4+ 11. Kc3 Qe1+ 12. Kb2 Qd2+ 13. Kb3 Qd3+ 14. Kb2 Qd4+ 15. Kb3 Qd3+) (6. Qa4 d1=Q 7. Qxd1 Nxd1 8. Kg2 Kg6 9. Kf3 Nc3 10. Kf4 Kf6 11. Ba5 Nd5+ 12. Ke4 Ke6 13. Bd2 h5 14. Bc1 f5+ 15. Kd4) (6. Qa1 d1=Q 7. Qxd1 Nxd1 8. Kg2 Kg6 9. Kf3 Nc3 10. Ba5 Nd5 11. Ke4 Kf6 12. Bd2 Ke6 13. Kd3 Kf5 14. Bc1 h5) 6... d1=Q ({Qf5+ Kg8 Qxf2 Qd7 Ba5} 6... f6 {Bd2 Qd5 Bf4 Qe4 Qa2+ Kh7 Bd6 Kh8 Qb2 Kh7 Bf4 g5}) (6... h5 7. Qf5+ Kg8 8. Qxf2 d1=Q 9. Bc7 Qd5 10. Bd6 Kh7 11. Qe3 Qa2+ 12. Kg1 Qb1+ 13. Kf2 Qc2+ 14. Kf3 f6 15. Qd4 Qb3+) (6... f6 7. Qf5+ Kg8 8. Kg2 d1=Q 9. Qe6+ Kf8 10. Kxf2 Qc2+ 11. Kg1 Qb1+ 12. Kg2 Qb2+ 13. Kh3 Qb5 14. Qc8+ Ke7 15. Bd8+ Kf7) (6... f5 7. Qxf5+ Kg8 8. Qxf2 d1=Q 9. Ba5 Qd3 10. Qb2 Qg6 11. Bc3 Kh7 12. Qe2 Qf5 13. Qe3 Qc2+ 14. Kh3 Qg6 15. g4 Kg8) (6... g6 7. Qd7 d1=Q 8. Qxf7+ Kh8 9. Qxf2 Kg8 10. Ba5 h5 11. Bc3 Qd3 12. Qb2 Qe4 13. Qd2 Qf5 14. Qd8+ Kf7 15. Qc7+) 7. Qf5+ ({Kg8 Qxf2} 7. Qd7 {Ba5} f6 {Bd2} 8. Qd5 { Bf4 Qe4 Qa2+} Kh8 {Kg1} 9. Qd4 {Qf2} Qd3) (7. Kg2 Qc2 8. Kf1 Nh1 9. Kg1 Nxg3 10. Qg4 Nf5 11. Qf4 Qd1+ 12. Kf2 Qh5 13. Bc7 Qxh4+ 14. Qxh4 Nxh4) (7. Qxc6 Ng4+ 8. Kh3 Ne3 9. Qg2 f5 10. Kh2 Nxg2 11. Kxg2 Qe2+ 12. Kg1 Qf3 13. Bc7 Qe3+ 14. Kf1 Qxc5) (7. g4 Nxg4+ 8. Kg3 Qg1+ 9. Kf4 Qe3+ 10. Kxg4 h5+ 11. Kf5 Qh3+ 12. Ke5 Qxc8 13. Kd6 Qe6+ 14. Kc7) (7. Qh8+ Kxh8 8. Kg2 Ng4 9. Kh3 Ne3 10. Kh2 Qf1 11. Bd8 Ng4#) 7... Kg8 ({Qxf2 Qd7 Ba5 f6 Bd2 Qd5 Bf4 Qe4 Qa2+ Kh7 Qb2 Qd5 Bd6} 7... Kg8 {Qb8+ Kh7 Qb7} 8. Qf3 {Kg1}) (7... Kh8 8. Qxf2 Qd5 9. Bc7 f6 10. Bf4 Kg8 11. Bd6 Qe4 12. Qa2+ Kh7 13. Qd2 Kh8 14. Bf4 Qe7 15. Qd4 Qe2+ 16. Kg1 Qe1+ 17. Kg2) (7... g6 8. Qxf7+ Kh8 9. Qxf2 Kg8 10. Ba5 h5 11. Qa2+ Kf8 12. Bc7 Qf3 13. Bd6+ Kg7 14. Qa7+ Qf7 15. Be5+ Kg8 16. Qa8+ Qf8) 8. Qxf2 (8. Qd7 {Ba5} h5 { Qc2} 9. Qe7 {Qf5} Qe2 {Kh3 Qa2 Bc3 Qc4 Bd2 g6 Qc8+ Kg7 Qxc6 Qf1+}) (8. Qc8+ Kh7 9. Qf5+ Kg8) (8. Kg2 Ng4 9. Qc8+ Kh7 10. Qf5+ Kh8 11. Qc8+ Kh7) (8. g4 Nxg4+ 9. Kh3 Ne3 10. Qf2 Qg4+ 11. Kh2 Nf5 12. Bd8 f6 13. Bc7 Nxh4 14. Bg3 Nf3+ 15. Kg2 Ne5 16. Qe3) (8. Qb1 Ng4+ 9. Kg2 Qxb1 10. Kf3 Qd1+ 11. Kf4 g6 12. Bd8 f5 13. h5 Qf1#) * [Event "CT Problema"] [Site "Chesstempo.com"] [Date "2023.09.16"] [Round "?"] [White "player"] [Black "167604"] [Result "*"] [Annotator "https://lichess.org/@/ajedrezhoy"] [SetUp "1"] [FEN "2r3k1/1b2Rrpp/p2Q1p2/2n5/1p6/5NB1/qPP2PPP/3R2K1 b - - 0 1"] [PlyCount "8"] [EventDate "2023.??.??"] 1... Qxb2 {[%csl Rg8,Rf7,Rd8,Rb2,Rc5,Bg5,Be5]} 2. Ng5 $1 $18 ({Ne4 Nxe4 Qa2} 2. Rxf7 {Qxf7 Qxb4} a5 3. Qd4 Be4 4. Qxe4 g6 {f3} 5. Qe8+ {Qd5+ Qf7}) (2. Nd4 Be4 3. Rxf7 Kxf7 4. Re1 Kg6 5. f3 Bxc2 6. Nc6 Rxc6 7. Qxc6 Nd3 8. Qe4+ Kh6 9. Qh4+ Kg6) (2. Rxf7 Kxf7 3. Nd4 Qa2 4. Nf5 Qe6 5. Qxe6+ Kxe6 6. Nxg7+ Kf7 7. Nf5 Ke6 8. Nd4+ Kf7 9. Nf5) (2. Ne1 b3 3. cxb3 Qxb3 4. Re3 Qa4 5. Qd4 a5 6. f3 Bc6 7. Bd6 Rd7 8. Qxa4 Nxa4 9. Rd4 Rcd8) (2. Ne5 $2 Rxe7 (2... Ne4 3. Qe6 Ng5 4. Qxc8+ Bxc8 5. Nxf7 Ne6 6. Nd6 Qxc2 7. Re1 h6 8. Re8+ Kh7 9. Rxc8 Qd2 10. Rcc1 b3 11. Rcd1 Qc2 12. Rc1 Qd2 13. Nc4 Qd5 14. h4 a5 15. Red1 Nd4 16. Kh2 a4 17. Bf4 Qe4 18. Bg3 Nc2 19. Nd6 Qb4 20. Nf5 Kg6 21. Rd5 b2 22. h5+ Kh7 23. Rxc2 b1=Q 24. Rc7 Qf8 25. Bd6 Qxf5 26. Rxg7+ Qxg7 27. Rxf5 Qg4 28. Rf3 Qxh5+ 29. Kg1 Kg6 30. Ba3 Qe5 31. Rg3+ Kf7 32. Re3 Qa1+ 33. Kh2 h5 34. Re7+ Kg6 35. Re3 h4 36. Rf3 Kg5 37. Re3 Qf1 38. Rf3 Qe1 39. Bb2 f5 40. Ba3 Kg4 41. Bd6 Qd2 42. Ba3 f4 43. Kg1 h3 44. Rxh3 Qe1+ 45. Kh2 Qxf2 46. Rf3 Qd2 47. Kg1 Qe1+ {Ricardi, Pablo - Gallagher, Joseph G, 1/2-1/2, Benidorm op, 1991, https://lichess.org/B7HyWysi}) 3. Qxe7 h6 4. Ng6 Kh7 5. Nf8+ Rxf8 6. Qxc5 Rc8 7. Qf5+ Kh8 8. h3 Qc3 9. Rd7 Qe1+ 10. Kh2 Qe4 11. Qxe4 Bxe4) 2... fxg5 ({Be5} 2... Rxe7 3. Qxe7 Qe5 4. Qxe5 h6 5. Rd6 Be4 6. Re6 Rd8 7. Re8+ Rxe8 8. Qxe8# {Kh7 Qe7 Bxc2 Qxc5}) (2... Ne4 3. Nxe4 Qa2 4. Rxf7 Qxf7 5. Qxb4 a5 6. Qd4 Bxe4 7. Qxe4 g6 8. f3 Qe8 9. Qd5+ Qf7) (2... Rxe7 3. Qxe7 fxg5 (3... Rf8 4. Bd6 $1) (3... Bd5 $1 4. Re1 $1) 4. Be5 Qxe5 5. Qxe5 h6 6. Rd6 Be4 7. Re6 Rd8 8. Re8+ Rxe8 9. Qxe8+ Kh7 10. Qe7 Bxc2 11. Qxc5) (2... Qxc2 3. Nxf7 Nd3 4. Rxd3 Qxd3 5. Nh6+ Kh8 6. Qxd3 Rc1+ 7. Qf1 Rxf1+ 8. Kxf1 Bc6 9. Nf7+ Kg8) (2... h5 3. Nxf7 Qxc2 4. Nd8 Qb3 5. Nxb7 Nd3 6. Rf1 Rc1 7. Rxc1 Nxc1 8. Qd8+ Kh7 9. Qe8) 3. Be5 ({Rxe7 Qxe7} 3. Qe5 Qxe5 {h6 } 4. Rd6 Be4 {Re6} 5. Rd8+ {Re8+ Rxe8 Qxe8+ Kh7 Qe7 Bxc2 Qxc5}) (3. h3 Rxe7 4. Qxe7 Qf6 5. Qe1 a5 6. f3 Qe6 7. Ra1 Qb6 8. Bf2 Qc7 9. Rd1 Rf8 10. Bg3 Qb6) (3. Rde1 Rxe7 4. Qxe7 Qxc2 5. Be5 Qg6 6. Bd4 Qf7 7. Qxg5 Nd3 8. Rd1 Be4 9. Qg4 Re8 10. f3 Qg6) (3. h4 Rxe7 4. Qxe7 Qf6 5. Qxf6 gxf6 6. Bd6 Rd8 7. Rd4 Ne4 8. Be5 Rxd4 9. Bxd4 Kf7 10. hxg5 fxg5) (3. Rxf7 Kxf7 4. Re1 Qf6 5. Qd1 a5 6. Be5 Qf5 7. Bb2 Ne4 8. f3 Nf6 9. Re2 a4 10. Rd2 Kg8) 3... Rxe7 ({Qxe7} 3... Qxe5 4. Qxe5 h6 {Qe7 Kh7} 5. Rd8+ Rxd8 {Qxd8 Be4 Qe7 Bxc2} 6. Qxc5 b3) (3... Qxe5 4. Qxe5 Be4 5. Re8+ Rxe8 6. Qxe8+ Rf8 7. Qe7 Bxc2 8. Rd2 b3 9. Qxc5 h6 10. Rd7 Rf6) ( 3... Qc1 4. Rxc1 Be4 5. Bd4 Bg6 6. Rce1 Nd7 7. Rxf7 Bxf7 8. Qxd7 Rf8 9. Bc5 Rb8 10. Bd6 Ra8) (3... Nd7 4. Bxb2 Bc6 5. Rde1 Rcf8 6. Qxc6 Nf6 7. Qxa6 g4 8. Rxf7 Rxf7 9. Bxf6 gxf6 10. Qc4 Kg7) (3... Qb1 4. Rxb1 a5 5. Bd4 Ne4 6. Qe6 Rcf8 7. Rxb7 Nd6 8. Rd7 Nf5 9. Bc5 Ne7 10. Rxe7 h6) (3... Qxc2 4. Qd8+ Rxd8 5. Rxd8+ Rf8 6. Rxg7+ Kh8 7. Rxf8#) 4. Qxe7 ({Qxe5 Qxe5 h6} 4. Qxe7 {Kh7} Rd8 5. Rxd8# { Qxd8 Be4 Qe7 Bxc2 Qxc5 b3 Qa3 a5}) (4. Bxb2 Rd7 5. Qxd7 Nxd7 6. Rxd7 Rxc2 7. Rxg7+ Kh8 8. Rxb7+ Rxb2 9. h4 gxh4 10. Rb8+ Kg7 11. Rb7+ Kf6) (4. Qd5+ Bxd5 5. Bxb2 Na4 6. h3 Nxb2 7. Rxd5 Rxc2 8. Rxg5 Nc4 9. Rg3 Re1+ 10. Kh2 Rxf2 11. Rd3 Rd2) (4. Bd4 Qxc2 5. Rf1 Rd7 6. Qe5 b3 7. h4 Qe4 8. Qxe4 Bxe4 9. Bb2 Nd3 10. f3 Bd5 11. Bd4 gxh4) (4. Qe6+ Nxe6 5. Bxb2 Nf4 6. h3 Rxc2 7. Ba1 Bxg2 8. Rd8+ Kf7 9. Rd1 Bxh3 10. Kh1 Bg4 11. Rg1 b3) 4... Qxe5 (4... Qxe5 {h6 Qe7 Kh7} 5. Rd8+ Rxd8 6. Qxd8+ {Be4 Qe7 Bxc2 Qxc5 b3 Qa3 g4 Qa4 h5}) (4... Ne6 5. Qxe6+ Kh8 6. Qxc8+ Bxc8 7. Rd8#) (4... Qa1 5. Qxg7#) (4... Qb1 5. Qxg7#) (4... Qxc2 5. Qxg7# ) 5. Qxe5 ({Be4} 5. Rd4 {Bg6 Rxb4 Be8 Rb7 Nxb7} Qe6 {Kf8 Qxc8 Nd6} 6. Qxc5 {Ke7 } Qe5 {Kd7}) (5. Re1 Qxe7 6. Rxe7 Rd8 7. Re1 Be4 8. Kf1 a5 9. Rc1 Rd2 10. Ke1 Rxc2 11. Rxc2 Bxc2 12. Kd2 b3) (5. Qd6 Qe4 6. f3 Qxc2 7. h3 a5 8. Rd2 Qc1+ 9. Rd1 Qe3+ 10. Kh2 a4 11. Qg3 b3 12. h4 gxh4) (5. Rd8+ Rxd8 6. Qxd8+ Kf7 7. Qd1 Qd5 8. Qf1 Qxg2+ 9. Qxg2 Bxg2 10. Kxg2 a5 11. Kf3 a4 12. Ke3 a3) (5. Qd8+ Rxd8 6. Rxd8+ Kf7 7. Rd1 Qe4 8. f3 Qxc2 9. Rf1 b3 10. h4 b2 11. hxg5 a5 12. g4 b1=Q 13. g6+ Qxg6 14. Rxb1 Qxb1+) *