[Event "21Российский Шахматный Марафон Team Battle"] [Site "https://lichess.org/nRmzL0nb"] [Date "2023.02.11"] [White "DmitriyBiryuk777"] [Black "DVlad"] [Result "1-0"] [UTCDate "2023.02.11"] [UTCTime "13:04:16"] [WhiteElo "2489"] [BlackElo "2375"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-3"] [WhiteTitle "FM"] [Variant "Standard"] [TimeControl "300+1"] [ECO "B90"] [Opening "Sicilian Defense: Najdorf Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 { B90 Sicilian Defense: Najdorf Variation } 6. f3 e5 7. Nb3 Be6 8. Be3 h5 9. Qd2 Nbd7 10. O-O-O Qc7 11. g3?! { (0.49 → -0.07) Inaccuracy. Nd5 was best. } (11. Nd5 Nxd5 12. exd5 Bf5 13. Kb1 Be7 14. Bd3 Bxd3 15. Qxd3 Rc8 16. Nd2 b5 17. g3 a5) 11... Rc8 12. h3 Be7 13. Kb1 b5 14. a3 Nb6 15. Ka1?! { (-0.44 → -1.13) Inaccuracy. Bxb6 was best. } (15. Bxb6 Qxb6) 15... Nc4?! { (-1.13 → -0.24) Inaccuracy. O-O was best. } (15... O-O 16. Bxb6 Qxb6 17. Nd5 Nxd5 18. exd5 Bf5 19. Rc1 Bf6 20. g4 Bg6 21. Kb1 h4 22. Bd3) 16. Bxc4 bxc4 17. Nc1 O-O?! { (-0.39 → 0.38) Inaccuracy. Rb8 was best. } (17... Rb8 18. N1e2) 18. g4?! { (0.38 → -0.70) Inaccuracy. Bg5 was best. } (18. Bg5 Qb7) 18... h4? { (-0.70 → 0.71) Mistake. d5 was best. } (18... d5 19. exd5 Rfd8 20. Qf2 Nxd5 21. N1a2 Rb8 22. gxh5 Nxe3 23. Qxe3 Rxd1+ 24. Rxd1 Bc5 25. Qg5) 19. N1e2 Rb8 20. Rb1?! { (0.75 → -0.27) Inaccuracy. Rhg1 was best. } (20. Rhg1 Rfd8) 20... Rb7? { (-0.27 → 0.99) Mistake. d5 was best. } (20... d5 21. Nxd5) 21. Bg5 Rfb8 22. Bxf6? { (1.29 → -0.29) Mistake. Rhd1 was best. } (22. Rhd1) 22... Bxf6 23. Nd5? { (-0.04 → -1.63) Mistake. Rhd1 was best. } (23. Rhd1) 23... Bxd5 24. Qxd5 Rb5 25. Qd2 d5 26. exd5?! { (-2.53 → -3.83) Inaccuracy. Nc3 was best. } (26. Nc3 d4) 26... e4?! { (-3.83 → -2.56) Inaccuracy. Qb6 was best. } (26... Qb6 27. c3 Be7 28. Qc2 Qa5 29. d6 Bxd6 30. a4 R5b6 31. Rhe1 Be7 32. g5 Bxg5 33. Nc1) 27. Nc3?? { (-2.56 → -5.71) Blunder. c3 was best. } (27. c3 exf3 28. d6 Qa5 29. Nd4 Rd5 30. Rhd1 Bxd4 31. cxd4 Qxd2 32. Rxd2 Rxd6 33. Rc1 Re6) 27... Ra5? { (-5.71 → -3.23) Mistake. Qa5 was best. } (27... Qa5 28. Ka2 exf3 29. b4 cxb3+ 30. Rxb3 Rxb3 31. cxb3 Bxc3 32. Qd3 f2 33. d6 Bf6 34. d7) 28. fxe4?? { (-3.23 → Mate in 7) Checkmate is now unavoidable. g5 was best. } (28. g5 Be5 29. f4 Bxf4 30. d6 Qxd6 31. Qxd6 Bxd6 32. Ka2 Re8 33. Rhd1 Bg3 34. g6 fxg6) 28... Qe5?? { (Mate in 7 → -0.90) Lost forced checkmate sequence. Qc5 was best. } (28... Qc5 29. e5 Bxe5 30. Qc1 Bxc3 31. Ka2 Rxb2+ 32. Qxb2 Bxb2 33. Rxb2 Qxa3+ 34. Kb1 Qa1#) 29. Rhf1?? { (-0.90 → -3.30) Blunder. Ka2 was best. } (29. Ka2) 29... Bg5?? { (-3.30 → 0.00) Blunder. Qxc3 was best. } (29... Qxc3 30. Qxc3 Bxc3 31. Ka2 Be5 32. Rfc1 Rab5 33. b4 cxb3+ 34. cxb3 a5 35. g5 Kf8 36. Rc6) 30. Qe1 Bf6? { (0.00 → 1.11) Mistake. Be7 was best. } (30... Be7 31. Ka2 Qd6 32. Ka1) 31. Rf5?? { (1.11 → -3.80) Blunder. Rxf6 was best. } (31. Rxf6 Qxf6 32. e5 Qe7 33. Qe4 Qb4 34. Qd4 Qe7 35. Qf4 Qb4 36. Qd2 Qe7 37. Qd4 Qc5) 31... Qxc3 32. Qxc3 Bxc3 33. Ka2 g6 34. Rf3 Be5 35. b4 cxb3+ 36. cxb3 Rc5 37. b4 Rc2+ 38. Kb3 Rbc8 39. Ka4 { White offers draw } 39... R2c3 40. Rxc3? { (-2.68 → -4.68) Mistake. Rb3 was best. } (40. Rb3 R3c4 41. Ka5 Ra8 42. Kb6 Kf8 43. Rbd3 Ke7 44. g5 Rxe4 45. Kb7 Re8 46. Rd1 Kd6) 40... Rxc3 41. Rb3 Rxb3?? { (-5.03 → -0.08) Blunder. Rg3 was best. } (41... Rg3 42. Rb1 Kf8 43. Ka5 Rxa3+ 44. Kb6 g5 45. Rc1 Rxh3 46. Kxa6 Ra3+ 47. Kb6 Bf4 48. Rh1) 42. Kxb3 Kf8 43. Ka4? { (-0.82 → -2.12) Mistake. Kc4 was best. } (43. Kc4 Ke7) 43... Bb2? { (-2.12 → -0.88) Mistake. Bc7 was best. } (43... Bc7) 44. Kb3 Bc1 45. a4 Ke7 46. Kc4 Kd6 47. a5?! { (-1.61 → -2.46) Inaccuracy. b5 was best. } (47. b5) 47... Bd2 48. b5 Bxa5?? { (-2.26 → 0.00) Blunder. axb5+ was best. } (48... axb5+) 49. bxa6 Bb6 50. e5+ Kxe5?? { (0.00 → 5.16) Blunder. Kc7 was best. } (50... Kc7 51. Kd3 Kd7 52. Ke4 Ke7 53. Kf4 Bf2 54. Kf3 Ba7 55. Ke4) 51. Kb5 Bd4 52. Kc6 f5 53. gxf5 gxf5 54. d6 f4 55. d7 Bb6?! { (10.80 → Mate in 9) Checkmate is now unavoidable. f3 was best. } (55... f3 56. d8=Q f2 57. Qd5+ Kf4 58. Qxd4+ Kg3 59. Qd3+ Kg2 60. Kd5 Kg1 61. a7 f1=Q 62. Qxf1+) 56. Kxb6 { Black resigns. } 1-0