[Event "Casual correspondence game"] [Site "https://lichess.org/RUX0BI89"] [Date "2019.01.03"] [White "derholtz"] [Black "potseeslc"] [Result "1-0"] [UTCDate "2019.01.03"] [UTCTime "17:02:42"] [WhiteElo "1500"] [BlackElo "1670"] [Variant "Standard"] [TimeControl "-"] [ECO "A43"] [Opening "Benoni Defense: Old Benoni"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 c5 { A43 Benoni Defense: Old Benoni } 2. c3?! { (0.61 → -0.06) Inaccuracy. d5 was best. } (2. d5 Nf6 3. Nc3 e6 4. e4 d6 5. Bc4 exd5 6. Bxd5 Be7) 2... d6?! { (-0.06 → 0.82) Inaccuracy. Nf6 was best. } (2... Nf6 3. Nf3 d5 4. Bf4 cxd4 5. cxd4 Qb6 6. Nc3 Qxb2 7. Bd2) 3. Nf3 Nc6 4. e3 Bg4?! { (0.36 → 1.14) Inaccuracy. Nf6 was best. } (4... Nf6 5. d5 Ne5 6. Be2 e6 7. c4 Nxf3+ 8. Bxf3 exd5 9. cxd5) 5. Bd3?! { (1.14 → 0.21) Inaccuracy. d5 was best. } (5. d5 Nb8 6. e4 Nd7 7. h3 Bxf3 8. Qxf3 g6 9. Bg5 h6 10. Bh4 Ngf6 11. Nd2 Bg7) 5... Nf6 6. O-O e5 7. b3?? { (0.55 → -2.86) Blunder. h3 was best. } (7. h3 Bh5) 7... e4 8. h3? { (-2.68 → -4.57) Mistake. d5 was best. } (8. d5 Ne5 9. Bb5+ Ned7 10. h3 Bh5 11. g4 Nxg4 12. Be2 Nh6 13. Ne1 Qg5+ 14. Ng2 Bxe2) 8... Bxf3 9. gxf3 exd3 10. dxc5?! { (-4.42 → -6.58) Inaccuracy. Qxd3 was best. } (10. Qxd3 Qd7 11. Kh2 cxd4 12. cxd4 d5 13. Nc3 Rc8 14. Bb2 Bd6+ 15. f4 O-O 16. Rg1 Ne7) 10... dxc5 11. e4 Ne5?! { (-7.14 → -5.28) Inaccuracy. Qd7 was best. } (11... Qd7 12. Kg2 O-O-O 13. Be3 Qe6 14. Nd2 Bd6 15. f4 Nxe4 16. Nxe4 Qxe4+ 17. Qf3 Qxf3+ 18. Kxf3) 12. c4?! { (-5.28 → -7.74) Inaccuracy. f4 was best. } (12. f4 Ng6) 12... Nh5 13. f4 Ng6?? { (-5.90 → -0.40) Blunder. Qd4 was best. } (13... Qd4 14. Qxh5) 14. Qxh5 d2?? { (-0.21 → 1.70) Blunder. Qd4 was best. } (14... Qd4 15. Qd5) 15. Bxd2 Qf6?! { (1.66 → 2.46) Inaccuracy. Qh4 was best. } (15... Qh4 16. Qf3 Rd8 17. Be3 Qf6 18. Nd2 Nh4 19. Qg3 Be7 20. Nf3 Nxf3+ 21. Qxf3 b6 22. Kh2) 16. f5?! { (2.46 → 1.75) Inaccuracy. e5 was best. } (16. e5) 16... Nh4?? { (1.75 → 4.80) Blunder. Qh4 was best. } (16... Qh4) 17. Bg5?? { (4.80 → -2.20) Blunder. Bc3 was best. } (17. Bc3) 17... Qxa1?? { (-2.20 → 0.12) Blunder. Qxg5+ was best. } (17... Qxg5+ 18. Qxg5 Nf3+ 19. Kg2 Nxg5 20. f4 Nxe4 21. Re1 O-O-O 22. Rxe4 Rd1 23. Re5 g6 24. f6) 18. Bxh4 Qe5?! { (0.47 → 1.41) Inaccuracy. Be7 was best. } (18... Be7 19. Bxe7) 19. Rd1?! { (1.41 → 0.43) Inaccuracy. Bg3 was best. } (19. Bg3) 19... Bd6?? { (0.43 → 5.43) Blunder. Be7 was best. } (19... Be7 20. Bg3 Qb2 21. Qf3 Rd8 22. Rxd8+ Bxd8 23. Nc3 O-O 24. Kg2 Qd2 25. e5 Qc2 26. Ne4) 20. Nd2?? { (5.43 → -1.62) Blunder. Bg3 was best. } (20. Bg3 Qf6 21. Rxd6 Qa1 22. Qd1 O-O 23. Kg2 Rae8 24. e5 Qb2 25. Qd3 Qxa2 26. Nd2 h5) 20... Qh2+ 21. Kf1 Be5?? { (-1.62 → 5.20) Blunder. Qxh3+ was best. } (21... Qxh3+ 22. Ke2 g6 23. fxg6 fxg6 24. Qh6 Qg4+ 25. Nf3 Rf8 26. Rd3 Rf7 27. Qg5 Qxg5 28. Nxg5) 22. Nf3 g6?! { (4.60 → 7.41) Inaccuracy. Qxh3+ was best. } (22... Qxh3+ 23. Ke2 Bc3 24. Rd3 Qh1 25. Rxc3 O-O 26. f6 Rfe8 27. Ng5 Rxe4+ 28. Nxe4 Qxe4+ 29. Re3) 23. Qg5?! { (7.41 → 4.49) Inaccuracy. fxg6 was best. } (23. fxg6 hxg6 24. Qxh8+ Bxh8 25. Nxh2 Be5 26. Ng4 Bc3 27. e5 Bd4 28. Nh2 a6 29. Nf3 Bb2) 23... Qh1+? { (4.49 → 9.55) Mistake. Qxh3+ was best. } (23... Qxh3+ 24. Ke2 O-O 25. Nxe5 Rae8 26. fxg6 fxg6 27. Bg3 Qg2 28. Qh4 Rxe5 29. Bxe5 g5 30. Qg3) 24. Ke2 Qxh3? { (9.25 → Mate in 1) Checkmate is now unavoidable. Qxd1+ was best. } (24... Qxd1+ 25. Kxd1 f6 26. Qh6 Ba1 27. Qc1 g5 28. Qxa1 O-O-O+ 29. Kc2 gxh4 30. Qxf6 Rhe8 31. e5) 25. Qe7# { White wins by checkmate. } 1-0