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Mattenberger, Matthias vs Bonn, Thomas

2026.07.05 · game 1
White to move
PGN
[Event "30e Festival International Jean-Claude Loubatière"]
[Site "Hôtel de ville de Montpellier, France"]
[Date "2026.07.05"]
[Round "1.9"]
[White "Mattenberger, Matthias"]
[Black "Bonn, Thomas"]
[Result "1-0"]
[WhiteElo "2347"]
[WhiteTitle "FM"]
[WhiteFideId "1339958"]
[BlackElo "2120"]
[BlackFideId "638242"]
[TimeControl "1h30 + 30s per move / 40 + 30min"]
[Variant "Standard"]
[ECO "E73"]
[Opening "King's Indian Defense: Semi-Averbakh System"]
[UTCDate "2026.07.05"]
[UTCTime "15:00:40"]
[BroadcastName "30e Festival International Jean-Claude Loubatière"]
[BroadcastURL "https://lichess.org/broadcast/30e-festival-international-jean-claude-loubatiere/round-1/yz0VVPAz"]
[GameURL "https://lichess.org/broadcast/30e-festival-international-jean-claude-loubatiere/round-1/yz0VVPAz/3CWf5Udx"]

1. d4 { [%eval 0.15] [%clk 1:30:56] } 1... Nf6 { [%eval 0.15] [%clk 1:30:47] } 2. c4 { [%eval 0.16] [%clk 1:31:19] } 2... g6 { [%eval 0.28] [%clk 1:30:43] } 3. Nc3 { [%eval 0.18] [%clk 1:31:20] } 3... Bg7 { [%eval 0.46] [%clk 1:30:37] } 4. e4 { [%eval 0.4] [%clk 1:31:43] } 4... d6 { [%eval 0.55] [%clk 1:31:04] } 5. Be2 { [%eval 0.51] [%clk 1:32:04] } 5... O-O { [%eval 0.47] [%clk 1:22:55] } 6. Be3 { [%eval 0.5] [%clk 1:32:20] } 6... c5 { [%eval 0.56] [%clk 1:19:13] } 7. d5 { [%eval 0.55] [%clk 1:32:36] } 7... e6 { [%eval 0.51] [%clk 1:19:09] } 8. Nf3 { [%eval 0.72] [%clk 1:32:55] } 8... exd5 { [%eval 0.69] [%clk 1:18:21] } 9. cxd5 { [%eval 0.67] [%clk 1:33:18] } 9... Bg4 { [%eval 0.7] [%clk 1:14:26] } 10. Nd2 { [%eval 0.57] [%clk 1:33:41] } 10... Bxe2 { [%eval 0.67] [%clk 1:14:27] } 11. Qxe2 { [%eval 0.78] [%clk 1:34:05] } 11... Nbd7 { [%eval 0.81] [%clk 1:11:20] } 12. O-O { [%eval 0.81] [%clk 1:31:37] } 12... a6 { [%eval 0.83] [%clk 1:08:33] } 13. a4 { [%eval 0.84] [%clk 1:31:55] } 13... Ne8 { [%eval 0.79] [%clk 1:08:27] } 14. a5 { [%eval 0.66] [%clk 1:20:43] } 14... Nc7 { [%eval 1.14] [%clk 1:01:13] } 15. Nc4 { [%eval 1.1] [%clk 1:07:48] } 15... Qe7 { [%eval 1.09] [%clk 1:01:05] } 16. Bf4 { [%eval 0.92] [%clk 1:06:59] } 16... Ne5 { [%eval 0.84] [%clk 0:59:43] } 17. Nb6 { [%eval 0.62] [%clk 0:58:51] } 17... Rae8 { [%eval 0.66] [%clk 0:55:23] } 18. Bg3 { [%eval 0.49] [%clk 0:55:48] } 18... f5 { [%eval 0.41] [%clk 0:45:37] } 19. exf5 { [%eval 0.43] [%clk 0:52:38] } 19... gxf5 { [%eval 0.37] [%clk 0:29:31] } 20. Bf4 { [%eval 0.34] [%clk 0:48:12] } 20... Qd8 { [%eval 0.62] [%clk 0:18:14] } 21. Qd2?! { [%eval 0.0] } { Inaccuracy. Rae1 was best. } { [%clk 0:39:06] } 21... Nb5 { [%eval 0.05] [%clk 0:10:52] } 22. Nxb5 { [%eval 0.0] [%clk 0:37:37] } 22... axb5 { [%eval 0.0] [%clk 0:11:18] } 23. b3 { [%eval -0.17] [%clk 0:33:37] } 23... Ng6 { [%eval -0.21] [%clk 0:01:39] } 24. Bg5?! { [%eval -0.83] } { Inaccuracy. Rae1 was best. } { [%clk 0:22:54] } 24... Qc7 { [%eval -0.68] [%clk 0:02:08] } 25. Rae1 { [%eval -0.76] [%clk 0:22:31] } 25... c4? { [%eval 0.73] } { Mistake. Qf7 was best. } { [%clk 0:02:15] } 26. Qb4? { [%eval -0.87] } { Mistake. bxc4 was best. } { [%clk 0:16:06] } 26... Rxe1 { [%eval -0.78] [%clk 0:02:02] } 27. Rxe1 { [%eval -0.44] [%clk 0:16:32] } 27... h6 { [%eval -0.06] [%clk 0:00:47] } 28. Bc1 { [%eval -0.04] [%clk 0:16:48] } 28... cxb3 { [%eval 0.0] [%clk 0:00:44] } 29. Qxb3 { [%eval -0.06] [%clk 0:16:19] } 29... Qc3 { [%eval -0.02] [%clk 0:00:53] } 30. Qxc3 { [%eval -0.08] [%clk 0:16:03] } 30... Bxc3 { [%eval -0.01] [%clk 0:01:18] } 31. Re6 { [%eval -0.12] [%clk 0:16:29] } 31... Rf6?! { [%eval 0.59] } { Inaccuracy. Kf7 was best. } { [%clk 0:00:40] } 32. Rxf6 { [%eval 0.32] [%clk 0:14:42] } 32... Bxf6 { [%eval 0.33] [%clk 0:01:07] } 33. Nc8 { [%eval 0.31] [%clk 0:13:12] } 33... Be5 { [%eval 0.38] [%clk 0:01:14] } 34. Bd2 { [%eval 0.15] [%clk 0:13:39] } 34... Kf7 { [%eval 0.19] [%clk 0:00:59] } 35. Na7 { [%eval 0.16] [%clk 0:13:56] } 35... Ne7 { [%eval 0.4] [%clk 0:00:52] } 36. Nxb5 { [%eval 0.29] [%clk 0:13:13] } 36... Nxd5 { [%eval 0.28] [%clk 0:00:56] } 37. Bxh6 { [%eval 0.28] [%clk 0:13:11] } 37... Nc3 { [%eval 0.36] [%clk 0:01:08] } 38. Na3 { [%eval 0.37] [%clk 0:11:07] } 38... d5 { [%eval 0.27] [%clk 0:01:30] } 39. Bd2 { [%eval 0.28] [%clk 0:09:54] } 39... Ne4 { [%eval 0.38] [%clk 0:01:02] } 40. Be1 { [%eval 0.5] [%clk 0:10:01] } 40... d4 { [%eval 0.79] [%clk 0:00:36] } 41. Nc4 { [%eval 0.63] [%clk 0:07:01] } 41... Bc7 { [%eval 0.7] [%clk 0:29:28] } 42. f3 { [%eval 0.75] [%clk 0:29:20] } 42... Nc5 { [%eval 0.64] [%clk 0:27:21] } 43. h4 { [%eval 0.77] [%clk 0:21:30] } 43... Kg6? { [%eval 2.02] } { Mistake. Ke6 was best. } { [%clk 0:09:49] } 44. g4 { [%eval 1.65] [%clk 0:19:46] } 44... Nb3?! { [%eval 2.29] } { Inaccuracy. fxg4 was best. } { [%clk 0:06:55] } 45. Kf2 { [%eval 2.06] [%clk 0:16:25] } 45... fxg4 { [%eval 2.51] [%clk 0:02:31] } 46. fxg4 { [%eval 2.51] [%clk 0:16:48] } 46... d3?! { [%eval 3.41] } { Inaccuracy. Bd8 was best. } { [%clk 0:02:51] } 47. Ke3 { [%eval 3.33] [%clk 0:11:46] } 47... d2 { [%eval 3.31] [%clk 0:02:40] } 48. Bxd2 { [%eval 3.16] [%clk 0:12:06] } 48... Nxd2? { [%eval 5.77] } { Mistake. Bg3 was best. } { [%clk 0:03:04] } 49. Kxd2 { [%eval 5.23] [%clk 0:11:56] } 49... Bg3 { [%eval 5.73] [%clk 0:01:15] } 50. h5+ { [%eval 5.73] [%clk 0:12:23] } 50... Kg5 { [%eval 5.71] [%clk 0:01:37] } 51. Kd3 { [%eval 5.63] [%clk 0:07:20] } 51... Kxg4?! { [%eval 7.7] } { Inaccuracy. Be1 was best. } { [%clk 0:00:56] } 52. h6 { [%eval 10.02] [%clk 0:07:44] } 52... Bh4 { [%eval 10.34] [%clk 0:01:23] } 53. Nd6 { [%eval 9.9] [%clk 0:07:05] } 1-0
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