Event: Biel Chess Festival 2025 Blitz
Site: Biel, Switzerland
Date: 2025-07-20
White: Ballmer, Boris
WhiteElo: 1981
Black: Sanket Chakravarty
BlackTitle: IM
BlackElo: 2300
Result: 0-1
ECO: D04
Opening: Queen's Pawn Game: Colle System
Variant: Standard
TimeControl: 3 min + 2 sec per move

1. d4 { [%eval 0.17] [%clk 0:03:02] } 1... d5 { [%eval 0.2] [%clk 0:03:04] } 2. Nf3 { [%eval 0.08] [%clk 0:03:03] } 2... Nf6 { [%eval 0.11] [%clk 0:03:05] } 3. e3 { [%eval 0.0] [%clk 0:03:05] } 3... g6 { [%eval 0.32] [%clk 0:03:02] } 4. Be2 { [%eval -0.04] [%clk 0:03:05] } 4... Bg7 { [%eval 0.01] [%clk 0:03:03] } 5. O-O { [%eval 0.0] [%clk 0:03:06] } 5... O-O { [%eval 0.0] [%clk 0:03:04] } 6. b4 { [%eval 0.0] [%clk 0:03:06] } 6... a5 { [%eval 0.04] [%clk 0:03:00] } 7. c3 { [%eval 0.03] [%clk 0:03:06] } 7... Ne4 { [%eval 0.1] [%clk 0:02:58] } 8. Bb2 { [%eval -0.06] [%clk 0:03:06] } 8... b6 { [%eval 0.19] [%clk 0:02:52] } 9. Nbd2 { [%eval -0.07] [%clk 0:03:05] } 9... axb4 { [%eval -0.11] [%clk 0:02:51] } 10. cxb4 { [%eval -0.15] [%clk 0:03:06] } 10... c5 { [%eval -0.18] [%clk 0:02:52] } 11. bxc5 { [%eval -0.19] [%clk 0:03:01] } 11... bxc5 { [%eval -0.14] [%clk 0:02:43] } 12. Nxe4 { [%eval -0.15] [%clk 0:03:01] } 12... dxe4 { [%eval -0.2] [%clk 0:02:44] } 13. Nd2?! { [%eval -0.87] } { Inaccuracy. Ne5 was best. } { [%clk 0:03:02] } 13... Bb7?! { [%eval 0.15] } { Inaccuracy. cxd4 was best. } { [%clk 0:02:39] } 14. Nb3 { [%eval 0.09] [%clk 0:02:59] } 14... Nd7 { [%eval 0.3] [%clk 0:02:37] } 15. Qd2 { [%eval 0.0] [%clk 0:02:40] } 15... cxd4 { [%eval 0.0] [%clk 0:02:25] } 16. Bxd4 { [%eval 0.0] [%clk 0:02:39] } 16... Ne5 { [%eval 0.1] [%clk 0:02:18] } 17. Qb2 { [%eval -0.1] [%clk 0:02:36] } 17... Qd5 { [%eval -0.1] [%clk 0:02:07] } 18. Rfd1 { [%eval -0.16] [%clk 0:02:35] } 18... Nd3 { [%eval 0.32] [%clk 0:02:03] } 19. Qd2? { [%eval -1.15] } { Mistake. Rxd3 was best. } { [%clk 0:02:27] } 19... e5 { [%eval -1.3] [%clk 0:01:52] } 20. Bc3 { [%eval -1.36] [%clk 0:02:18] } 20... Rfd8 { [%eval -1.38] [%clk 0:01:50] } 21. Bf1 { [%eval -1.51] [%clk 0:02:08] } 21... Bf8 { [%eval -1.35] [%clk 0:01:47] } 22. Na5 { [%eval -1.49] [%clk 0:02:02] } 22... Ba6 { [%eval -1.63] [%clk 0:01:41] } 23. Nb3 { [%eval -1.49] [%clk 0:01:41] } 23... Qe6 { [%eval -1.58] [%clk 0:01:34] } 24. Bxd3 { [%eval -1.55] [%clk 0:01:33] } 24... exd3 { [%eval -1.6] [%clk 0:01:30] } 25. e4 { [%eval -1.52] [%clk 0:01:29] } 25... Rac8 { [%eval -1.6] [%clk 0:01:21] } 26. Qb2 { [%eval -2.02] [%clk 0:01:30] } 26... f6 { [%eval -1.62] [%clk 0:01:19] } 27. Rac1 { [%eval -1.68] [%clk 0:01:29] } 27... Bc4 { [%eval -1.34] [%clk 0:01:10] } 28. Ra1?! { [%eval -2.06] } { Inaccuracy. Na5 was best. } { [%clk 0:01:20] } 28... Rb8?! { [%eval -1.37] } { Inaccuracy. Qc6 was best. } { [%clk 0:01:11] } 29. Rdc1?! { [%eval -1.97] } { Inaccuracy. Qd2 was best. } { [%clk 0:01:11] } 29... Bxb3 { [%eval -2.02] [%clk 0:01:07] } 30. axb3 { [%eval -2.06] [%clk 0:01:11] } 30... Qxb3 { [%eval -1.96] [%clk 0:01:04] } 31. Qd2 { [%eval -2.13] [%clk 0:01:12] } 31... Bb4? { [%eval -0.67] } { Mistake. Rbc8 was best. } { [%clk 0:00:48] } 32. h4 { [%eval -0.6] [%clk 0:01:05] } 32... Qc4?! { [%eval 0.0] } { Inaccuracy. Bf8 was best. } { [%clk 0:00:28] } 33. h5? { [%eval -1.67] } { Mistake. Ra7 was best. } { [%clk 0:00:55] } 33... Bxc3? { [%eval -0.08] } { Mistake. Qxe4 was best. } { [%clk 0:00:26] } 34. Rxc3 { [%eval -0.25] [%clk 0:00:55] } 34... Qxe4 { [%eval -0.17] [%clk 0:00:28] } 35. Re1?? { [%eval -4.23] } { Blunder. Rc7 was best. } { [%clk 0:00:56] } 35... Qf4?? { [%eval -0.03] } { Blunder. Rb2 was best. } { [%clk 0:00:26] } 36. Re3?? { [%eval -6.09] } { Blunder. Qxf4 was best. } { [%clk 0:00:53] } 36... Rb1+ { [%eval -6.08] [%clk 0:00:27] } 37. Rc1 { [%eval -6.12] [%clk 0:00:54] } 37... Rxc1+ { [%eval -5.98] [%clk 0:00:24] } 38. Qxc1 { [%eval -5.84] [%clk 0:00:55] } 38... d2 { [%eval -6.72] [%clk 0:00:25] } 39. Qd1 { [%eval -6.45] [%clk 0:00:56] } 39... gxh5 { [%eval -6.26] [%clk 0:00:25] } 40. g3?? { [%eval #-28] } { Checkmate is now unavoidable. Rf3 was best. } { [%clk 0:00:50] } 40... Qg4 { [%eval -10.97] [%clk 0:00:22] } 0-1