[Event "2026 Spring Marathon"] [Site "https://lichess.org/BTsQnDNU"] [Date "2026.04.18"] [Round "-"] [White "Chessnock"] [Black "Simon-cb14"] [Result "1-0"] [GameId "BTsQnDNU"] [UTCDate "2026.04.18"] [UTCTime "22:56:07"] [WhiteElo "2112"] [BlackElo "1994"] [WhiteRatingDiff "+25"] [BlackRatingDiff "-11"] [BlackBerserk "true"] [Variant "Standard"] [TimeControl "120+0"] [ECO "E91"] [Opening "King's Indian Defense: Orthodox Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 { [%eval 0.15] } 1... Nf6 { [%eval 0.15] } 2. Nf3 { [%eval 0.11] } 2... g6 { [%eval 0.27] } 3. c4 { [%eval 0.2] } 3... Bg7 { [%eval 0.27] } 4. Nc3 { [%eval 0.17] } 4... d6 { [%eval 0.5] } 5. e4 { [%eval 0.45] } 5... O-O { [%eval 0.44] } 6. Be2 { [%eval 0.45] } { E91 King's Indian Defense: Orthodox Variation } 6... Bg4 { [%eval 0.61] } 7. Be3 { [%eval 0.53] } 7... Nfd7 { [%eval 0.66] } 8. Nd2 { [%eval 0.46] } 8... Bxe2 { [%eval 0.33] } 9. Qxe2 { [%eval 0.3] } 9... Nc6 { [%eval 0.42] } 10. d5?! { (0.42 → -0.29) Inaccuracy. Nb3 was best. } { [%eval -0.29] } (10. Nb3 e5 11. d5 Nd4 12. Qd2 Nxb3 13. axb3 a5 14. f3 f5 15. Kd1 b6) 10... Nd4 { [%eval -0.28] } 11. Qd3 { [%eval -0.36] } 11... e5?! { (-0.36 → 0.27) Inaccuracy. Nc5 was best. } { [%eval 0.27] } (11... Nc5 12. Qb1 a5 13. O-O a4 14. Qd1 c6 15. Ndb1 e5 16. Na3 f5 17. Nc2) 12. dxe6 { [%eval -0.26] } 12... Nxe6 { [%eval -0.21] } 13. O-O { [%eval -0.27] } 13... Ne5 { [%eval -0.23] } 14. Qe2 { [%eval -0.3] } 14... Nc5?! { (-0.30 → 0.45) Inaccuracy. f5 was best. } { [%eval 0.45] } (14... f5 15. f4 Ng4 16. exf5 gxf5 17. Nf3 c6 18. Rad1 Re8 19. Qd2) 15. Bxc5?! { (0.45 → -0.49) Inaccuracy. Rad1 was best. } { [%eval -0.49] } (15. Rad1 Ned7 16. Ndb1 f5 17. exf5 Rxf5 18. Nb5 Ne6 19. N1c3 a6 20. Nd4 Nxd4) 15... dxc5 { [%eval -0.48] } 16. Rad1 { [%eval -0.58] } 16... Qe7? { (-0.58 → 0.82) Mistake. Qd3 was best. } { [%eval 0.82] } (16... Qd3 17. f4 Qxe2 18. Nxe2 Nd3 19. e5 f6 20. Ne4 Nxb2 21. Rb1 Nxc4 22. exf6) 17. Nd5 { [%eval 0.8] } 17... Qd8 { [%eval 0.75] } 18. b3?! { (0.75 → 0.02) Inaccuracy. Nb3 was best. } { [%eval 0.02] } (18. Nb3 Nd7 19. f4 c6 20. Nc3 Bxc3 21. bxc3 Qe7 22. e5 Rad8 23. Rfe1 Nb6) 18... Nd7 { [%eval 0.52] } 19. Nf3 { [%eval 0.16] } 19... c6 { [%eval 0.17] } 20. Ne3?! { (0.17 → -0.50) Inaccuracy. Nf4 was best. } { [%eval -0.5] } (20. Nf4 Qe7 21. g3 Rfe8 22. Qc2 Bh6 23. Ng2 Rad8 24. Rfe1 Ne5 25. Nxe5 Qxe5) 20... Qe7 { [%eval -0.22] } 21. Qc2 { [%eval -0.27] } 21... Ne5 { [%eval 0.24] } 22. Nxe5 { [%eval -0.03] } 22... Qxe5 { [%eval 0.18] } 23. f3 { [%eval -0.28] } 23... Rfd8 { [%eval -0.02] } 24. Kh1 { [%eval -0.53] } 24... Rd4 { [%eval -0.16] } 25. Ng4 { [%eval -0.2] } 25... Qd6 { [%eval 0.03] } 26. Qc1?! { (0.03 → -0.86) Inaccuracy. Rxd4 was best. } { [%eval -0.86] } (26. Rxd4 cxd4 27. g3 d3 28. Qd2 a5 29. Nf2 a4 30. Qxd3 Qa3 31. Qc2 axb3) 26... Rd8 { [%eval -0.8] } 27. Rde1 { [%eval -0.93] } 27... f5?! { (-0.93 → -0.17) Inaccuracy. Rd2 was best. } { [%eval -0.17] } (27... Rd2 28. e5 Qe7 29. Nf2 Rxa2 30. Qe3 Rd4 31. f4 f5 32. Qf3) 28. exf5 { [%eval -0.14] } 28... gxf5 { [%eval -0.22] } 29. Ne3 { [%eval -0.27] } 29... Rd2?? { (-0.27 → 2.41) Blunder. Rh4 was best. } { [%eval 2.41] } (29... Rh4 30. h3 Qf4 31. Rf2 Be5 32. Nf1 Qxc1 33. Rxc1 Kf7 34. Re2 Bf6 35. Ne3) 30. Nxf5 { [%eval 2.31] } 30... Qd3?! { (2.31 → 3.04) Inaccuracy. Qf6 was best. } { [%eval 3.04] } (30... Qf6 31. Nxg7 Kxg7 32. Qa3 Qg5 33. Rg1 a6 34. h3 h6 35. Qa5 Kh7 36. Qc7+) 31. Nxg7 { [%eval 2.94] } 31... Kxg7 { [%eval 2.91] } 32. Qa1+?! { (2.91 → 2.01) Inaccuracy. Qa3 was best. } { [%eval 2.01] } (32. Qa3 Qd6 33. Qxa7 Rd7 34. h3 Re7 35. Rxe7+ Qxe7 36. a4 Rd3 37. Qb8 Rxb3) 32... Kg6? { (2.01 → 3.84) Mistake. Rd4 was best. } { [%eval 3.84] } (32... Rd4 33. Qc1 b6 34. Rg1 Kf6 35. Re8 Rd8 36. Qa1+ Kf7 37. Rxd8 Qxd8 38. h3) 33. Re6+ { [%eval 3.92] } 33... Kf7 { [%eval 3.91] } 34. Qf6+ { [%eval 3.86] } 34... Kg8 { [%eval 3.87] } 35. Rg1 { [%eval 3.82] } 35... Rd1 { [%eval 3.85] } 36. Qg5+ { [%eval 3.83] } 36... Kf8?? { (3.83 → Mate in 4) Checkmate is now unavoidable. Kh8 was best. } { [%eval #4] } (36... Kh8 37. h4 Rxg1+ 38. Kxg1 Qd4+ 39. Kh2 a5 40. Re4 Qd6+ 41. Kh3 Rg8 42. Qe5+) 37. Rf6+ { [%eval #3] } 37... Ke7 { [%eval #2] } 38. Qe5+ { [%eval #2] } 38... Kd7 { [%eval #2] } 39. Rf7+ { [%eval #1] } 39... Kc8 { [%eval #1] } 40. Qc7# { White wins by checkmate. } 1-0