[Event "OIS - Weekly Tournament Arena"] [Site "https://lichess.org/F4jGKD6f"] [Date "2026.02.22"] [Round "-"] [White "AlanJotham"] [Black "Nirmay_OISM"] [Result "1-0"] [GameId "F4jGKD6f"] [UTCDate "2026.02.22"] [UTCTime "06:26:27"] [WhiteElo "1054"] [BlackElo "1091"] [WhiteRatingDiff "+58"] [BlackRatingDiff "-59"] [Variant "Standard"] [TimeControl "300+5"] [ECO "B00"] [Opening "Owen Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... b6 { [%eval 0.68] } { B00 Owen Defense } 2. Bc4?! { (0.68 → 0.08) Inaccuracy. d4 was best. } { [%eval 0.08] } (2. d4 Bb7 3. Bd3 d5 4. e5 Qd7 5. Nc3 e6 6. Nce2 Ba6) 2... Ba6?! { (0.08 → 1.03) Inaccuracy. Bb7 was best. } { [%eval 1.03] } (2... Bb7 3. Nc3 e6 4. Nf3 Nf6 5. e5 d5 6. Bf1 d4 7. exf6) 3. Bxa6 { [%eval 1.03] } 3... Nxa6 { [%eval 0.97] } 4. Qh5?! { (0.97 → -0.05) Inaccuracy. Qe2 was best. } { [%eval -0.05] } (4. Qe2 Qc8 5. d4 g6 6. Nf3 c6 7. O-O Bg7 8. c4 Nh6) 4... g6?! { (-0.05 → 0.91) Inaccuracy. Nb4 was best. } { [%eval 0.91] } (4... Nb4 5. Qd1 d5 6. e5 d4 7. d3 e6 8. a3 Nc6 9. Nf3) 5. Qb5?! { (0.91 → 0.25) Inaccuracy. Qe2 was best. } { [%eval 0.25] } (5. Qe2 Qc8 6. d4 Bg7 7. Nf3 c5 8. d5 Nf6 9. c4 d6 10. O-O O-O) 5... c6?? { (0.25 → 4.56) Blunder. Nc5 was best. } { [%eval 4.56] } (5... Nc5 6. e5 Ne6 7. Nf3 c5 8. c3 a6 9. Qb3 Qc7 10. Qd5 Rd8 11. O-O) 6. Qxa6 { [%eval 4.6] } 6... Rc8 { [%eval 4.66] } 7. Nc3 { [%eval 4.37] } 7... b5 { [%eval 4.41] } 8. Nf3 { [%eval 4.34] } 8... b4 { [%eval 4.84] } 9. Na4 { [%eval 4.76] } 9... Bg7 { [%eval 4.81] } 10. Nc5 { [%eval 4.33] } 10... Rb8 { [%eval 4.9] } 11. Ng5 { [%eval 4.2] } 11... Bf6 { [%eval 5.02] } 12. Nb7?? { (5.02 → 0.55) Blunder. Nf3 was best. } { [%eval 0.55] } (12. Nf3 e5 13. d4 exd4 14. e5 Be7 15. Ne4 f6 16. Qc4 c5 17. Nd6+ Bxd6) 12... Qc8?! { (0.55 → 1.18) Inaccuracy. Qb6 was best. } { [%eval 1.18] } (12... Qb6 13. Qxb6 axb6 14. Nf3 Rxb7 15. e5 Bg7 16. d4 f6 17. Ke2 Ra7 18. Bd2) 13. Nc5 { [%eval 1.1] } 13... Qxa6?? { (1.10 → 3.95) Blunder. Bxg5 was best. } { [%eval 3.95] } (13... Bxg5 14. Qxc8+ Rxc8 15. a3 d6 16. Nb3 bxa3 17. Rxa3 Rc7 18. Ke2 Nf6 19. d3) 14. Nxa6 { [%eval 4.07] } 14... Bxg5?! { (4.07 → 5.25) Inaccuracy. Rb6 was best. } { [%eval 5.25] } (14... Rb6 15. Nc7+ Kd8 16. Nxf7+ Kxc7 17. Nxh8 Bxh8 18. g3 Ra6 19. c3 c5 20. Ke2) 15. Nxb8 { [%eval 5.35] } 15... a5 { [%eval 5.39] } 16. O-O { [%eval 5.16] } 16... Nf6 { [%eval 5.22] } 17. f4 { [%eval 4.8] } 17... Bxf4?! { (4.80 → 6.52) Inaccuracy. Bh6 was best. } { [%eval 6.52] } (17... Bh6 18. d3 Bg7 19. e5 Nd5 20. Na6 d6 21. a3 b3 22. c4 Nb6 23. a4) 18. e5?? { (6.52 → 3.18) Blunder. Rxf4 was best. } { [%eval 3.18] } (18. Rxf4 Kd8 19. d4 g5 20. Rf1 Nxe4 21. Na6 f5 22. Nc5 d6 23. Nxe4 Kd7) 18... Nd5?! { (3.18 → 4.40) Inaccuracy. Bxe5 was best. } { [%eval 4.4] } (18... Bxe5 19. Na6 Bd4+ 20. Kh1 Ne4 21. g3 h5 22. Kg2 h4 23. d3 Nf6 24. c3) 19. e6?? { (4.40 → 1.99) Blunder. d4 was best. } { [%eval 1.99] } (19. d4 g5 20. Re1 f5 21. Na6 e6 22. Nc5 Kf7 23. Kh1 Bxc1 24. Raxc1 h5) 19... fxe6? { (1.99 → 3.74) Mistake. Bxb8 was best. } { [%eval 3.74] } (19... Bxb8 20. exf7+ Kf8 21. d4 Nf6 22. c4 bxc3 23. bxc3 Kxf7 24. Rb1 Ke6 25. c4) 20. g3?? { (3.74 → 0.04) Blunder. Na6 was best. } { [%eval 0.04] } (20. Na6 Be5 21. c3 d6 22. Nb8 c5 23. a3 Bf6 24. axb4 cxb4 25. Rxa5 h5) 20... Be5?? { (0.04 → 3.32) Blunder. Bxb8 was best. } { [%eval 3.32] } (20... Bxb8 21. a3 Ba7+ 22. Kg2 b3 23. cxb3 Bd4 24. b4 axb4 25. axb4 Nc7 26. d3) 21. Na6 { [%eval 3.22] } 21... g5 { [%eval 3.62] } 22. Nc5?? { (3.62 → 0.52) Blunder. Kg2 was best. } { [%eval 0.52] } (22. Kg2 h5 23. Re1 d6 24. c4 Nf6 25. Rxe5 dxe5 26. d3 Kd7 27. Nc5+ Kd6) 22... Bd4+ { [%eval 0.63] } 23. Kg2 { [%eval 0.55] } 23... Bxc5 { [%eval 0.54] } 24. d4?? { (0.54 → -1.44) Blunder. a3 was best. } { [%eval -1.44] } (24. a3 b3 25. cxb3 Bd4 26. b4 axb4 27. axb4 d6 28. Ra8+ Kd7 29. Rxh8 Bxh8) 24... Bxd4 { [%eval -1.63] } 25. c3?! { (-1.63 → -2.33) Inaccuracy. a3 was best. } { [%eval -2.33] } (25. a3 b3 26. cxb3 h6 27. b4 a4 28. Bd2 e5 29. Rab1 Nb6 30. Bc3 Nc4) 25... Be5? { (-2.33 → -0.97) Mistake. Bf6 was best. } { [%eval -0.97] } (25... Bf6 26. cxb4 Nxb4 27. Bd2 d6 28. a3 Nd5 29. Rae1 Kd7 30. Re4 c5 31. Rb1) 26. cxb4 { [%eval -1.05] } 26... axb4 { [%eval -0.97] } 27. Bxg5?? { (-0.97 → -2.99) Blunder. a3 was best. } { [%eval -2.99] } (27. a3 Bf6 28. axb4 O-O 29. Ra7 Rd8 30. Bd2 h6 31. h4 gxh4 32. gxh4 Bxh4) 27... Kd8? { (-2.99 → -1.59) Mistake. Bxb2 was best. } { [%eval -1.59] } (27... Bxb2 28. Rab1 Bf6 29. Bd2 Rg8 30. Rf3 Rg4 31. a3 bxa3 32. Rxa3 Kf7 33. Rf1) 28. Rf7?! { (-1.59 → -2.65) Inaccuracy. Rab1 was best. } { [%eval -2.65] } (28. Rab1 Bd4 29. a3 bxa3 30. bxa3 Kc7 31. Bh6 Ra8 32. Rf7 c5 33. Bg5 h5) 28... Ke8?! { (-2.65 → -1.99) Inaccuracy. Bxb2 was best. } { [%eval -1.99] } (28... Bxb2 29. Raf1 Ke8 30. R7f3 e5 31. Rb1 e4 32. Rb3 Bd4 33. Rxb4 Nxb4 34. Rxb4) 29. Rf3 { [%eval -2.1] } 29... d6?! { (-2.10 → -1.44) Inaccuracy. Bxb2 was best. } { [%eval -1.44] } (29... Bxb2 30. Rb1 Be5 31. Bc1 Rg8 32. a3 bxa3 33. Bxa3 Rg4 34. Rbb3 h5 35. Bb2) 30. Re1?! { (-1.44 → -2.16) Inaccuracy. Rb1 was best. } { [%eval -2.16] } (30. Rb1 Kd7 31. a3 Bd4 32. axb4 e5 33. Rbf1 Bxb2 34. g4 h6 35. Bd2 Nf6) 30... Bxb2 { [%eval -2.19] } 31. Rxe6 { [%eval -2.04] } 31... Kd7 { [%eval -2.32] } 32. Rh6?! { (-2.32 → -3.38) Inaccuracy. Re2 was best. } { [%eval -3.38] } (32. Re2 Bc3 33. Ref2 Ra8 34. Rf7 h5 35. h4 c5 36. g4 hxg4 37. h5 Bd4) 32... Nc3?? { (-3.38 → -0.44) Blunder. Ra8 was best. } { [%eval -0.44] } (32... Ra8 33. Rf7 Rxa2 34. Kf3 c5 35. Rhxh7 Bd4 36. Ke4 Kc6 37. Rf8 Nf6+ 38. Bxf6) 33. Re3?? { (-0.44 → -2.72) Blunder. Rf2 was best. } { [%eval -2.72] } (33. Rf2 Ba3 34. Rf7 Nd5 35. Rhxh7 Re8 36. Rf2 c5 37. Re2 c4 38. Rf7 b3) 33... Nd1?? { (-2.72 → 7.17) Blunder. Nd5 was best. } { [%eval 7.17] } (33... Nd5 34. Re2 Bg7 35. Rhe6 Be5 36. Rh6 c5 37. Kf3 Bg7 38. Rh5 Bd4 39. Kg4) 34. Rxe7+ { [%eval 6.27] } 34... Kd8?? { (6.27 → Mate in 5) Checkmate is now unavoidable. Kc8 was best. } { [%eval #5] } (34... Kc8 35. Rxd6 h6 36. Bf4 Nc3 37. Rxc6+ Kd8 38. Rcc7 Nb5 39. Rcd7+ Kc8 40. Rd5) 35. Rhxh7?? { (Mate in 5 → 3.88) Lost forced checkmate sequence. Rxd6+ was best. } { [%eval 3.88] } (35. Rxd6+ Kc8 36. Rxc6+ Kb8 37. Bf4+ Be5 38. Bxe5+ Ka8 39. Ra6#) 35... Re8?? { (3.88 → Mate in 5) Checkmate is now unavoidable. Rxh7 was best. } { [%eval #5] } (35... Rxh7 36. Rxh7+ Kc8 37. h4 c5 38. h5 Bd4 39. Rf7 Nc3 40. Bf6 Be3 41. Kf3) 36. Rhf7?? { (Mate in 5 → 4.28) Lost forced checkmate sequence. Re1+ was best. } { [%eval 4.28] } (36. Re1+ Re7 37. Rexe7 Ne3+ 38. Rxe3+ Bf6 39. Bxf6+ Kc8 40. Re8#) 36... Rxe7 { [%eval 3.64] } 37. Bxe7+?! { (3.64 → 2.47) Inaccuracy. Rxe7 was best. } { [%eval 2.47] } (37. Rxe7 Bc1 38. Bf6 Bb2 39. Bh4 c5 40. Re1+ Kd7 41. Rxd1 c4 42. Bg5 Kc6) 37... Kd7?! { (2.47 → 3.32) Inaccuracy. Ke8 was best. } { [%eval 3.32] } (37... Ke8 38. Rh7 Be5 39. Bg5 Nc3 40. Re7+ Kf8 41. Ra7 c5 42. h4 c4 43. Kf3) 38. Bf6+?? { (3.32 → 0.00) Blunder. Bg5+ was best. } { [%eval 0.0] } (38. Bg5+ Ke6 39. Re7+ Kf5 40. h4 Nc3 41. Kf3 Nxa2 42. g4+ Kg6 43. Rb7 Bf6) 38... Ke6 { [%eval -0.02] } 39. Rf8?? { (-0.02 → -2.48) Blunder. Rc7 was best. } { [%eval -2.48] } (39. Rc7 Bxf6 40. Rxc6 Kd7 41. Ra6 Bc3 42. Ra7+ Ke6 43. Ra6 Ke7 44. Ra7+ Kf6) 39... Kf5?? { (-2.48 → 5.42) Blunder. Bxf6 was best. } { [%eval 5.42] } (39... Bxf6 40. Re8+ Kd5 41. Rb8 c5 42. h4 Nc3 43. h5 Nxa2 44. h6 Nc1 45. h7) 40. Bxb2+ { [%eval 5.36] } 40... Ke4 { [%eval 5.87] } 41. Re8+ { [%eval 5.62] } 41... Kf5 { [%eval 6.41] } 42. Bg7 { [%eval 5.73] } 42... Ne3+ { [%eval 7.44] } 43. Rxe3 { [%eval 7.5] } 43... Kg4 { [%eval 7.32] } 44. h3+ { [%eval 7.46] } 44... Kh5? { (7.46 → Mate in 4) Checkmate is now unavoidable. Kg5 was best. } { [%eval #4] } (44... Kg5 45. Kf3 c5 46. Bb2 c4 47. h4+ Kg6 48. Re1 c3 49. Bc1 d5 50. g4) 45. g4+? { (Mate in 4 → 7.24) Lost forced checkmate sequence. Re6 was best. } { [%eval 7.24] } (45. Re6 Kg5 46. g4 b3 47. Kg3 bxa2 48. Bh6#) 45... Kh4? { (7.24 → Mate in 1) Checkmate is now unavoidable. Kg6 was best. } { [%eval #1] } (45... Kg6 46. Bb2 c5 47. Re1 c4 48. Kf2 b3 49. a4 d5 50. h4 d4 51. Bxd4) 46. Bf6# { White wins by checkmate. } 1-0