[Event "2023 Summer Marathon"] [Site "https://lichess.org/51Ti4DuT"] [Date "2023.08.05"] [White "Dmitrij_Osetrov"] [Black "KenulL_76"] [Result "0-1"] [UTCDate "2023.08.05"] [UTCTime "14:35:14"] [WhiteElo "2446"] [BlackElo "1990"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+11"] [Variant "Standard"] [TimeControl "60+0"] [ECO "A00"] [Opening "Hungarian Opening: Reversed Alekhine"] [Termination "Normal"] [Annotator "lichess.org"] 1. g3 e5 2. Nf3 { A00 Hungarian Opening: Reversed Alekhine } e4 3. Nd4 d5 4. Nb3 c5 5. c4?? { (0.00 → -4.42) Blunder. d3 was best. } (5. d3 exd3 6. cxd3 Nc6 7. Bg2 h6 8. O-O Be6 9. Nc3 Nf6) 5... dxc4 6. Bg2 cxb3 7. Qxb3 Nf6 8. O-O Nc6 9. Rd1 Be7?! { (-5.94 → -4.66) Inaccuracy. Nd4 was best. } (9... Nd4 10. Qe3 Be7 11. d3 Nc2 12. Qd2 Nxa1 13. dxe4 Qxd2 14. Bxd2 Nc2 15. e5 Nd7 16. Rc1) 10. d3 O-O 11. dxe4 Qc7?! { (-4.04 → -3.07) Inaccuracy. Nd4 was best. } (11... Nd4 12. Qd3 Bg4 13. Nc3 Nxe2+ 14. Nxe2 Qxd3 15. Rxd3 Bxe2 16. Rb3 Rad8 17. Bg5 h6 18. Rxb7) 12. Bf4 Qb6 13. Qf3? { (-2.92 → -4.75) Mistake. Qxb6 was best. } (13. Qxb6 axb6 14. Nc3 Be6 15. Nd5 Bd8 16. Bd6 Re8 17. h3 Bxd5 18. exd5 Na7 19. g4 Nb5) 13... Nd4 14. Qd3 Be6?! { (-4.93 → -3.54) Inaccuracy. Qxb2 was best. } (14... Qxb2 15. Nd2 Qc3 16. Qxc3 Nxe2+ 17. Kf1 Nxc3 18. Rdc1 Na4 19. Rab1 Nd7 20. e5 Ndb6 21. Kg1) 15. Nd2?! { (-3.54 → -5.16) Inaccuracy. e3 was best. } (15. e3 c4 16. Qd2 Nc6 17. Nc3 Bb4 18. Qc2 Bxc3 19. bxc3 Rfd8 20. Rdb1 Qa6 21. e5 Ne8) 15... Rad8 16. Kh1 Nf3?? { (-6.06 → -0.35) Blunder. Ng4 was best. } (16... Ng4 17. Rf1 g5 18. Be3 Nf3 19. Nxf3 Rxd3 20. exd3 h6 21. h3 Nxe3 22. fxe3 Qc7 23. Ne5) 17. Qxf3 Bd7?? { (-0.38 → 1.68) Blunder. Qxb2 was best. } (17... Qxb2 18. Rab1 Qxa2 19. Ra1 Qb2 20. Rdb1 Qd4 21. e5 Nd5 22. Ne4 Bf5 23. e3 Qxe4 24. Qxe4) 18. Nb3?? { (1.68 → -0.32) Blunder. e5 was best. } (18. e5) 18... Bc6 19. Rac1?! { (-0.30 → -1.07) Inaccuracy. Kg1 was best. } (19. Kg1) 19... Rxd1+?! { (-1.07 → -0.43) Inaccuracy. Nxe4 was best. } (19... Nxe4 20. Rxd8) 20. Rxd1 c4 21. Nd2? { (-0.45 → -2.16) Mistake. Nd4 was best. } (21. Nd4) 21... Bd8?? { (-2.16 → 2.06) Blunder. Rd8 was best. } (21... Rd8 22. Rf1 Qxb2 23. Nxc4 Qxa2 24. Ne5 Bxe4 25. Qe3 Bxg2+ 26. Kxg2 Qd5+ 27. f3 Bd6 28. Nd3) 22. Qe3?? { (2.06 → -2.17) Blunder. Nxc4 was best. } (22. Nxc4 Qa6) 22... Bc7?? { (-2.17 → 2.33) Blunder. Ng4 was best. } (22... Ng4) 23. Qxb6?! { (2.33 → 1.62) Inaccuracy. Nxc4 was best. } (23. Nxc4 Qa6 24. b3 b5 25. Bxc7 bxc4 26. bxc4 Rc8 27. Bf4 Qxc4 28. f3 Qxa2 29. Bh3 Re8) 23... Bxb6 24. Be3?? { (1.30 → -4.80) Blunder. Rf1 was best. } (24. Rf1 c3) 24... Bc7?? { (-4.80 → 2.69) Blunder. Bxe3 was best. } (24... Bxe3 25. fxe3 Rd8 26. Kg1 Ng4 27. Bf3 Nxe3 28. Rc1 Rxd2 29. Kf2 Nc2 30. h4 Kf8 31. h5) 25. Nxc4 Bb6? { (2.51 → 4.36) Mistake. Nxe4 was best. } (25... Nxe4 26. Bxa7) 26. Bxb6 axb6 27. Nxb6 Nxe4 28. Nd5?? { (4.22 → -4.98) Blunder. Bxe4 was best. } (28. Bxe4 Bxe4+ 29. f3 Bc6 30. Kg2 f5 31. h4 h6 32. Kf2 f4 33. Nd5 fxg3+ 34. Kxg3 g5) 28... Nxf2+ 29. Kg1 Nxd1 30. Ne7+ Kh8 31. Bxc6 bxc6 32. Nxc6 Ne3 33. Kf2 Nf5 34. a4 Nh6?! { (-4.97 → -3.79) Inaccuracy. Rc8 was best. } (34... Rc8 35. Na5 Rb8 36. b3 Rb4 37. Kf3 Nd4+ 38. Ke3 Nxb3 39. Nxb3 Rxb3+ 40. Kf2 Rb8) 35. b4 Rc8 36. b5 Nf5 37. a5?! { (-3.50 → -5.03) Inaccuracy. e4 was best. } (37. e4 Nd6 38. e5 Nc4 39. a5 Nxa5 40. Nxa5 Rc5 41. Nc6 Rxb5 42. Kf3 Kg8 43. Kf4 Rb2) 37... Nd6 38. Nd4 Rc5 39. b6 Rxa5 40. b7 Nxb7 41. Nc6 Rf5+ 42. Kg2 Rf6 43. Kh3 Nd6 44. Kg2 Nf5 45. Kh1 Ne3 46. Kg1? { (-7.25 → Mate in 1) Checkmate is now unavoidable. h3 was best. } (46. h3 Rxc6 47. Kg1 Rf6 48. g4 Rf1+ 49. Kh2 Nxg4+ 50. hxg4 Re1 51. Kg3 Rxe2 52. g5 Ra2) 46... Rf1# { Black wins by checkmate. } 0-1