[Event "Friday Chess Lab 2.27"] [Site "https://lichess.org/QIOeYEL2"] [Date "2026.02.28"] [Round "-"] [White "TheDifferenceOfTier5"] [Black "ngyitan"] [Result "1-0"] [GameId "QIOeYEL2"] [UTCDate "2026.02.28"] [UTCTime "01:51:04"] [WhiteElo "1904"] [BlackElo "987"] [WhiteRatingDiff "+1"] [BlackRatingDiff "+0"] [Variant "Standard"] [TimeControl "600+5"] [ECO "A02"] [Opening "Bird Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. f4 { [%eval -0.23] } { A02 Bird Opening } 1... Nf6 { [%eval -0.18] } 2. Nf3 { [%eval -0.3] } 2... g6 { [%eval -0.14] } 3. e3 { [%eval -0.3] } 3... Bg7 { [%eval -0.21] } 4. Nc3 { [%eval -0.41] } 4... O-O { [%eval -0.31] } 5. e4 { [%eval -0.3] } 5... d6 { [%eval -0.16] } 6. d4 { [%eval -0.17] } 6... c5 { [%eval -0.2] } 7. Bc4 { [%eval -0.6] } 7... Nc6?! { (-0.60 → 0.00) Inaccuracy. cxd4 was best. } { [%eval 0.0] } (7... cxd4 8. Qxd4 Nc6 9. Qe3 e6 10. Bb5 Nb4 11. Qe2 a6 12. Bd3) 8. d5 { [%eval 0.18] } 8... Na5 { [%eval 0.23] } 9. Qe2? { (0.23 → -1.20) Mistake. Be2 was best. } { [%eval -1.2] } (9. Be2 e6 10. dxe6 Bxe6 11. O-O Nc6 12. Kh1 h6 13. Be3 Re8 14. Bf2 Qb6) 9... Bg4?! { (-1.20 → -0.55) Inaccuracy. Nxc4 was best. } { [%eval -0.55] } (9... Nxc4 10. Qxc4 a6 11. O-O b5 12. Qd3 c4 13. Qe2 Re8 14. a3 e6 15. dxe6) 10. Bd2 { [%eval -0.88] } 10... Qb6 { [%eval -0.77] } 11. O-O-O { [%eval -0.84] } 11... Rfe8?? { (-0.84 → 1.08) Blunder. Nxc4 was best. } { [%eval 1.08] } (11... Nxc4 12. Qxc4 e6 13. dxe6 Bxe6 14. Qe2 d5 15. e5 Nd7 16. Kb1 d4 17. Ne4) 12. h3? { (1.08 → -0.29) Mistake. Bb5 was best. } { [%eval -0.29] } (12. Bb5 Rf8 13. e5 Nh5 14. Rhe1 a6 15. Bd3 Qc7 16. h3 Bxf3 17. Qxf3 dxe5) 12... Bxf3 { [%eval -0.32] } 13. gxf3 { [%eval -0.34] } 13... e5? { (-0.34 → 0.92) Mistake. Nxc4 was best. } { [%eval 0.92] } (13... Nxc4 14. Qxc4 Qc7 15. h4 Nh5 16. f5 Rab8 17. Nb5 Qd7 18. Qd3 a6 19. Nc3) 14. f5 { [%eval 0.72] } 14... Qb4?? { (0.72 → 3.08) Blunder. Nxc4 was best. } { [%eval 3.08] } (14... Nxc4 15. Qxc4 Nh5 16. Rdg1 a6 17. Qf1 Qa5 18. Kb1 b5 19. Qe1 b4 20. Ne2) 15. Bb5 { [%eval 2.9] } 15... Red8?! { (2.90 → 4.00) Inaccuracy. a6 was best. } { [%eval 4.0] } (15... a6 16. a3 Qd4 17. Bxe8 Rxe8 18. Kb1 b5 19. fxg6 hxg6 20. Bc1 Qc4 21. Qxc4) 16. Nb1 { [%eval 4.28] } 16... Qxb5?! { (4.28 → 5.69) Inaccuracy. Bh6 was best. } { [%eval 5.69] } (16... Bh6 17. Bxh6 a6 18. Bd3 c4 19. Qd2 Qxd2+ 20. Bxd2 cxd3 21. Bxa5 dxc2 22. Kxc2) 17. Qxb5 { [%eval 5.69] } 17... b6 { [%eval 5.66] } 18. Bxa5 { [%eval 4.97] } 18... bxa5 { [%eval 5.01] } 19. Qxa5 { [%eval 4.78] } 19... h5 { [%eval 5.88] } 20. fxg6 { [%eval 5.66] } 20... fxg6 { [%eval 5.45] } 21. Rhg1 { [%eval 5.59] } 21... Kh7 { [%eval 5.53] } 22. Qd2?! { (5.53 → 3.99) Inaccuracy. Na3 was best. } { [%eval 3.99] } (22. Na3 h4 23. Kb1 Nh5 24. Qe1 Bh6 25. Qxh4 Rdb8 26. b3 Nf4 27. Qe7+ Bg7) 22... Bh6 { [%eval 3.49] } 23. Qxh6+? { (3.49 → 1.64) Mistake. Rg5 was best. } { [%eval 1.64] } (23. Rg5 Rg8 24. Qg2 a5 25. f4 exf4 26. h4 Rab8) 23... Kxh6 { [%eval 1.52] } 24. Rd2?! { (1.52 → 0.93) Inaccuracy. h4 was best. } { [%eval 0.93] } (24. h4 Nd7 25. Rg3 Rf8 26. Kd2 Rf6 27. b3 a5 28. Na3 a4 29. Nb5 axb3) 24... Rg8 { [%eval 1.46] } 25. Rdg2 { [%eval 0.99] } 25... Nd7?! { (0.99 → 1.76) Inaccuracy. h4 was best. } { [%eval 1.76] } (25... h4 26. Na3 Nh5 27. Nc4 Nf4 28. Rh2 Rgd8 29. b3 a5 30. Kb2 Kh5) 26. c4? { (1.76 → 0.33) Mistake. Na3 was best. } { [%eval 0.33] } (26. Na3 Raf8 27. Nb5 Rf6 28. Nxa7 c4 29. Nb5 h4 30. Rg4 Kh5 31. Rg5+ Kh6) 26... Nb6 { [%eval 0.69] } 27. b3 { [%eval 0.65] } 27... Rg7 { [%eval 0.94] } 28. Nc3 { [%eval 0.47] } 28... Rag8 { [%eval 1.01] } 29. Nb5 { [%eval 0.7] } 29... Rd7 { [%eval 1.09] } 30. Rf1 { [%eval 1.13] } 30... a6 { [%eval 1.24] } 31. Nc3 { [%eval 1.11] } 31... g5?! { (1.11 → 1.82) Inaccuracy. Rf7 was best. } { [%eval 1.82] } (31... Rf7 32. h4 Nd7 33. Kd1 Rf4 34. Rh2 Nf8 35. Ke2 Nh7 36. Rfh1 Rgf8 37. Rh3) 32. Rfg1? { (1.82 → 0.51) Mistake. Nd1 was best. } { [%eval 0.51] } (32. Nd1 h4 33. Ne3 Kh5 34. Kb2 a5 35. Nf5 Nc8 36. Ka3 Ne7 37. Nxe7 Rxe7) 32... Rdg7? { (0.51 → 1.89) Mistake. Rf7 was best. } { [%eval 1.89] } (32... Rf7 33. Rf2 Rgf8 34. Rgf1 Nc8 35. Nd1 Ne7 36. Ne3 Rf4 37. a3 Rh4 38. b4) 33. Ne2? { (1.89 → 0.72) Mistake. Nd1 was best. } { [%eval 0.72] } (33. Nd1 Rf7 34. Ne3 Rxf3 35. Nf5+ Rxf5 36. exf5 Nd7 37. Kb2 Nf6 38. Ka3 g4) 33... Nd7?? { (0.72 → 2.94) Blunder. h4 was best. } { [%eval 2.94] } (33... h4 34. Nc3 Rf7 35. Rf2 Rgf8 36. Rgf1 Nc8 37. Nd1 Ne7 38. Kb2 Ng6 39. Ne3) 34. Ng3 { [%eval 2.86] } 34... h4 { [%eval 2.88] } 35. Nf5+ { [%eval 2.93] } 35... Kg6?? { (2.93 → 8.03) Blunder. Kh5 was best. } { [%eval 8.03] } (35... Kh5 36. Nxd6 a5 37. Nf5 Rh7 38. Kb2 Nf8 39. Rd2 Rb7 40. d6 a4 41. Ne7) 36. Nxg7 { [%eval 7.68] } 36... Kxg7? { (7.68 → Mate in 9) Checkmate is now unavoidable. Kf7 was best. } { [%eval #9] } (36... Kf7 37. Rxg5 Nf8 38. Rf5+ Ke7 39. Rxe5+ Kd7 40. Reg5 Nh7 41. R5g4 Nf6 42. Rg6) 37. Rxg5+ { [%eval #8] } 37... Kf7 { [%eval #8] } 38. Rxg8 { [%eval #7] } 38... Kf6 { [%eval #4] } 39. R1g6+ { [%eval #4] } 39... Kf7 { [%eval #4] } 40. R8g7+ { [%eval #5] } 40... Kf8 { [%eval #5] } 41. Rxd7 { [%eval #4] } 41... Ke8 { [%eval #4] } 42. Rh7 { [%eval #3] } 42... Kd8 { [%eval #1] } 43. Rg8# { White wins by checkmate. } 1-0