[Event "Igor Kovalenko's Birthday simul"] [Site "https://lichess.org/HblkAQUp"] [Date "2022.12.29"] [White "MasterChessDojo"] [Black "Sutirtha_Majumdar"] [Result "1-0"] [UTCDate "2022.12.29"] [UTCTime "15:04:59"] [WhiteElo "2126"] [BlackElo "1830"] [WhiteTitle "NM"] [Variant "Standard"] [TimeControl "900+5"] [ECO "A03"] [Opening "Bird Opening: Dutch Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. f4 d5 { A03 Bird Opening: Dutch Variation } 2. Nf3 Nf6 3. e3 Nc6 4. b3 Bf5 5. Bb2 e6?! { (-0.01 → 0.64) Inaccuracy. a6 was best. } (5... a6 6. Bd3 Bxd3 7. cxd3 e6 8. O-O Bd6 9. Ne5 Ne7 10. Nc3) 6. Bb5 Qd7?? { (0.65 → 3.59) Blunder. Bc5 was best. } (6... Bc5 7. Qe2 O-O 8. Bxc6 bxc6 9. O-O Nd7 10. Nc3 Re8 11. Rae1) 7. Ne5 Qd6?! { (4.78 → 6.43) Inaccuracy. Nxe5 was best. } (7... Nxe5 8. Bxd7+ Nexd7 9. Nc3 O-O-O 10. Ne2 Bc5 11. a3 h5 12. b4) 8. Ba3 Qd8 9. Nxc6 Qd7?! { (3.90 → 4.89) Inaccuracy. bxc6 was best. } (9... bxc6 10. Bxc6+ Nd7 11. Bxf8 Kxf8 12. Bxa8 Qxa8 13. O-O Qc6 14. d3 h5 15. Nd2 Rh6 16. Nf3) 10. Nd4 c6 11. Bxf8 Bg4 12. Be2 Bxe2 13. Qxe2 Rxf8 14. O-O O-O-O 15. c4 dxc4 16. Qxc4 a6 17. Nc3 Kb8 18. a4 Qc7 19. b4 Nd7 20. Rfb1 g5 21. b5 Nb6 22. Qb3 axb5 23. axb5 c5 24. Nf3 gxf4 25. exf4 Qxf4 26. Qa3 Rg8 27. Ne2 Qf6 28. Qxc5 Qxf3 29. Qe5+ Kc8 30. Rc1+ Kd7 31. Nf4? { (4.59 → 2.23) Mistake. Ng3 was best. } (31. Ng3) 31... Rxg2+?? { (2.23 → 5.62) Blunder. Nd5 was best. } { Black offers draw } (31... Nd5 32. Rf1 Qg4 33. g3 Qg7 34. Qe4 Nxf4 35. Qxf4 Ke8 36. Ra7 f5 37. Re1 Qf6 38. Rxb7) 32. Nxg2 Rg8?! { (5.72 → 8.02) Inaccuracy. Nd5 was best. } (32... Nd5 33. Ra7 Qf6 34. Rxb7+ Ke8 35. Qxf6 Nxf6 36. Ne3 Ne4 37. Ra7 Rxd2 38. Rcc7 Rd8 39. Rxf7) 33. Qc7+ Ke8 34. Qb8+ Ke7 35. Rc7+ Kf6? { (8.55 → Mate in 11) Checkmate is now unavoidable. Nd7 was best. } (35... Nd7 36. Qxg8 Qe4 37. Qg5+ Kd6 38. Rac1 Qxg2+ 39. Qxg2 f5 40. Qg5 Nb8 41. Qd8+ Ke5 42. Re1+) 36. Qxg8 Nd5 37. Rxf7+ Ke5 38. Re1+ Qe4 39. Qg7+ Kd6 40. Rd7+ Kc5 41. Qf8+ Kd4 42. Qb4+ Kd3 43. Qc3# { White wins by checkmate. } 1-0