[Event "2025 Summer Marathon"] [Site "https://adjva4.dpdns.org/SKfcJLao"] [Date "2025.08.02"] [Round "-"] [White "thibault"] [Black "Klevan1113"] [Result "1-0"] [GameId "SKfcJLao"] [UTCDate "2025.08.02"] [UTCTime "07:03:57"] [WhiteElo "1773"] [BlackElo "1900"] [WhiteRatingDiff "+23"] [BlackRatingDiff "-7"] [Variant "Standard"] [TimeControl "60+0"] [ECO "B00"] [Opening "Owen Defense"] [Termination "Normal"] [Annotator "adjva4.dpdns.org"] 1. e4 { [%eval 0.18] } 1... b6 { [%eval 0.68] } { B00 Owen Defense } 2. f4?! { (0.68 → -0.01) Inaccuracy. d4 was best. } { [%eval -0.01] } (2. d4 Bb7 3. Bd3 d5 4. e5 Qd7 5. Nc3 e6 6. Nce2 Ba6) 2... Bb7 { [%eval 0.0] } 3. Nf3?! { (0.00 → -0.71) Inaccuracy. Qe2 was best. } { [%eval -0.71] } (3. Qe2 c5 4. d3 Nc6 5. g3 d5 6. Bg2 dxe4 7. dxe4 Nd4) 3... e6?! { (-0.71 → 0.00) Inaccuracy. Bxe4 was best. } { [%eval 0.0] } (3... Bxe4 4. Nc3 Bb7 5. d4 e6 6. f5 Nf6 7. Bd3 Be7 8. Qe2) 4. d3 { [%eval -0.07] } 4... Be7 { [%eval 0.05] } 5. Be2 { [%eval -0.25] } 5... h6?! { (-0.25 → 0.41) Inaccuracy. d5 was best. } { [%eval 0.41] } (5... d5 6. Nc3 dxe4 7. dxe4 Qxd1+ 8. Bxd1 Na6 9. Be3 O-O-O 10. Nd2) 6. Be3 { [%eval 0.25] } 6... a5 { [%eval 0.63] } 7. Nbd2 { [%eval 0.22] } 7... Ba6?! { (0.22 → 0.89) Inaccuracy. Nf6 was best. } { [%eval 0.89] } (7... Nf6 8. Nd4 c5 9. Nb5 a4 10. c4 O-O 11. O-O Ne8 12. Qe1 d5 13. Qg3) 8. O-O { [%eval 0.65] } 8... Bb7?! { (0.65 → 1.41) Inaccuracy. Nf6 was best. } { [%eval 1.41] } (8... Nf6) 9. c3 { [%eval 0.94] } 9... Bd6?! { (0.94 → 2.10) Inaccuracy. Nf6 was best. } { [%eval 2.1] } (9... Nf6) 10. Qb3? { (2.10 → 0.77) Mistake. Qe1 was best. } { [%eval 0.77] } (10. Qe1 Nf6 11. Qg3 g6 12. Nd4 Be7 13. Rae1 Na6 14. a3 h5 15. Bf3 h4) 10... Be7 { [%eval 1.07] } 11. Qc2 { [%eval 0.78] } 11... Ba6?! { (0.78 → 1.61) Inaccuracy. Nf6 was best. } { [%eval 1.61] } (11... Nf6 12. d4) 12. Rad1 { [%eval 1.36] } 12... d5 { [%eval 1.6] } 13. e5?! { (1.60 → 0.93) Inaccuracy. f5 was best. } { [%eval 0.93] } (13. f5 exf5) 13... c6 { [%eval 1.47] } 14. d4?? { (1.47 → -3.37) Blunder. f5 was best. } { [%eval -3.37] } (14. f5 exf5) 14... Bb7?? { (-3.37 → 2.41) Blunder. Bxe2 was best. } { [%eval 2.41] } (14... Bxe2 15. f5 Bxd1 16. Rxd1 Qd7 17. fxe6 Qxe6 18. Re1 Bd8 19. Bf4 Ne7 20. Nf1) 15. Bd3 { [%eval 2.39] } 15... Ba6 { [%eval 2.71] } 16. Bxa6?! { (2.71 → 2.01) Inaccuracy. c4 was best. } { [%eval 2.01] } (16. c4 Bc8 17. a3 Bd7 18. cxd5 cxd5 19. Nb1 Na6 20. Nc3 Nc7 21. h3 b5) 16... Nxa6 { [%eval 1.9] } 17. Nb3?! { (1.90 → 0.85) Inaccuracy. f5 was best. } { [%eval 0.85] } (17. f5 exf5 18. Qxf5 Qc8 19. Qd3 Nc7 20. Rf2 Ne6 21. Rdf1 Ra7 22. a4 g6) 17... a4 { [%eval 1.21] } 18. Nbd2 { [%eval 1.2] } 18... c5? { (1.20 → 2.80) Mistake. Nc7 was best. } { [%eval 2.8] } (18... Nc7 19. f5 exf5 20. Qxf5 Qc8 21. Qd3 Bd8 22. h3 Ne7 23. Nh4 Ne6 24. Rf2) 19. a3?! { (2.80 → 1.79) Inaccuracy. f5 was best. } { [%eval 1.79] } (19. f5 exf5 20. dxc5 Bxc5 21. Nc4 b5 22. Nd6+ Bxd6 23. Rxd5 Ne7 24. Rdd1 Bc5) 19... cxd4?! { (1.79 → 2.59) Inaccuracy. c4 was best. } { [%eval 2.59] } (19... c4 20. f5 exf5 21. Qxf5 Qd7 22. Qc2 Nc7 23. Nxc4 dxc4 24. d5 Nxd5 25. Qe4) 20. cxd4?! { (2.59 → 1.60) Inaccuracy. Nxd4 was best. } { [%eval 1.6] } (20. Nxd4 Bc5 21. f5 Nc7 22. Kh1 Ne7 23. f6 gxf6 24. Rxf6 Bxd4 25. Bxd4 Nf5) 20... Qc8 { [%eval 1.96] } 21. Qd3?! { (1.96 → 0.85) Inaccuracy. Qxa4+ was best. } { [%eval 0.85] } (21. Qxa4+ Qd7 22. Qb3 Bd8 23. Nb1 Ne7 24. Nc3 Nf5 25. Bf2 h5 26. Rc1 O-O) 21... Qb7? { (0.85 → 2.30) Mistake. Nc7 was best. } { [%eval 2.3] } (21... Nc7) 22. Rc1 { [%eval 2.09] } 22... Rc8?! { (2.09 → 2.95) Inaccuracy. Nc7 was best. } { [%eval 2.95] } (22... Nc7 23. f5 exf5 24. Qxf5 Ne6 25. Nb1 g6 26. Qd3 b5 27. Nc3 Rb8 28. Qc2) 23. Rxc8+ { [%eval 3.15] } 23... Qxc8 { [%eval 3.05] } 24. Nb1? { (3.05 → 1.68) Mistake. Qb5+ was best. } { [%eval 1.68] } (24. Qb5+ Kf8 25. Qxb6 g6 26. Qb5 Kg7 27. Qxa4 h5 28. f5 gxf5 29. Bf4 Nh6) 24... Nc7 { [%eval 2.05] } 25. Rc1 { [%eval 1.46] } 25... Qb7?! { (1.46 → 2.28) Inaccuracy. Bd8 was best. } { [%eval 2.28] } (25... Bd8 26. Nc3 Qd7 27. f5 exf5 28. e6 Qxe6 29. Bf4 Ne7 30. Nxa4 Na8 31. Qb5+) 26. Nbd2?! { (2.28 → 1.27) Inaccuracy. Qc2 was best. } { [%eval 1.27] } (26. Qc2 Bd8 27. Qxa4+ b5 28. Qb3 Ne7 29. Bd2 Nc6 30. Qc2 Kd7 31. f5 Be7) 26... Na6? { (1.27 → 3.01) Mistake. Bd8 was best. } { [%eval 3.01] } (26... Bd8 27. Nf1 Ne7 28. Bd2 b5 29. Ne3 O-O 30. h4 Na6 31. g4 Nb8 32. Rf1) 27. b3?! { (3.01 → 1.82) Inaccuracy. Qb5+ was best. } { [%eval 1.82] } (27. Qb5+ Kf8 28. f5 exf5 29. Rc6 Bd8 30. Qxd5 Bc7 31. Qd7 Ne7 32. Rc1 g5) 27... Nb8?! { (1.82 → 2.68) Inaccuracy. Nc7 was best. } { [%eval 2.68] } (27... Nc7 28. bxa4 Bd8 29. Nb1 Ne7 30. Bd2 h5 31. Bb4 Nf5 32. Nc3 Qa6 33. Nb5) 28. b4 { [%eval 2.27] } 28... Bd8 { [%eval 2.06] } 29. Nb1 { [%eval 1.79] } 29... Ne7 { [%eval 1.72] } 30. Nc3 { [%eval 1.65] } 30... Nec6?! { (1.65 → 2.61) Inaccuracy. Nbc6 was best. } { [%eval 2.61] } (30... Nbc6 31. Nxa4 Qa8 32. Nb2 b5 33. Nd1 Qa6 34. h4 h5 35. Rc5 Na7 36. Bf2) 31. Nb5 { [%eval 2.08] } 31... O-O { [%eval 2.14] } 32. Nd6 { [%eval 1.74] } 32... Qd7 { [%eval 1.86] } 33. f5 { [%eval 1.74] } 33... exf5 { [%eval 1.65] } 34. Nh4?? { (1.65 → -2.52) Blunder. Nxf5 was best. } { [%eval -2.52] } (34. Nxf5 Qe6 35. b5 Na5 36. Bd2 Nb3 37. Rc2 Nxd2 38. Nxd2 g6 39. Ne3 Be7) 34... Be7?? { (-2.52 → 3.34) Blunder. Bxh4 was best. } { [%eval 3.34] } (34... Bxh4 35. Bf4 Qe6 36. b5 Ne7 37. Qh3 Ng6 38. Bd2 Be7 39. Nxf5 Bg5 40. Bxg5) 35. Nhxf5 { [%eval 3.33] } 35... Bxd6 { [%eval 3.05] } 36. Nxd6? { (3.05 → 1.36) Mistake. exd6 was best. } { [%eval 1.36] } (36. exd6 Kh8 37. Bf4 b5 38. Bg3 Re8 39. Rf1 Qe6 40. h4 g6 41. Nxh6) 36... Nd8?! { (1.36 → 2.49) Inaccuracy. Ne7 was best. } { [%eval 2.49] } (36... Ne7) 37. Rf1 { [%eval 2.26] } 37... Nb7?? { (2.26 → 5.42) Blunder. Nbc6 was best. } { [%eval 5.42] } (37... Nbc6 38. Qb5) 38. Nf5 { [%eval 5.13] } 38... Qc8?! { (5.13 → 8.05) Inaccuracy. Kh8 was best. } { [%eval 8.05] } (38... Kh8 39. Bxh6) 39. Bxh6 { [%eval 8.06] } 39... g6 { [%eval 10.19] } 40. Ne7+ { [%eval 9.68] } 40... Kh7? { (9.68 → Mate in 6) Checkmate is now unavoidable. Kh8 was best. } { [%eval #6] } (40... Kh8 41. Nxc8 Re8 42. Qh3 Kg8 43. Bg5 f5 44. Ne7+ Rxe7 45. Bxe7 Nc6) 41. Nxc8? { (Mate in 6 → 7.90) Lost forced checkmate sequence. Rxf7+ was best. } { [%eval 7.9] } (41. Rxf7+ Rxf7 42. Qxg6+ Kh8 43. Qxf7 Qg4 44. Ng6+ Qxg6 45. Qxg6 b5 46. Qg7#) 41... Rxc8? { (7.90 → Mate in 4) Checkmate is now unavoidable. Kxh6 was best. } { [%eval #4] } (41... Kxh6 42. Qh3+ Kg7 43. e6 Nd8 44. e7 Re8 45. exd8=Q Rxd8 46. Rxf7+ Kxf7 47. Qh7+) 42. Qe3? { (Mate in 4 → 8.89) Lost forced checkmate sequence. Rxf7+ was best. } { [%eval 8.89] } (42. Rxf7+ Kxh6 43. Qh3+ Kg5 44. Qg3+ Kh6 45. Qh4#) 42... Nd7? { (8.89 → Mate in 7) Checkmate is now unavoidable. Nd8 was best. } { [%eval #7] } (42... Nd8 43. Bg5 Rc6 44. Qh3+ Kg8 45. Bxd8 f5 46. exf6 Rc2 47. Qh6 Kf7 48. Qg7+) 43. Rxf7+ { [%eval #6] } 43... Kg8 { [%eval #6] } 44. Rxd7 { [%eval #5] } 44... Rb8 { [%eval #3] } 45. Qg5 { [%eval #2] } 45... Nd6 { [%eval #2] } 46. Qxg6+ { [%eval #1] } 46... Kh8 { [%eval #1] } 47. Qg7# { White wins by checkmate. } 1-0