Event: Biel Chess Festival 2024 - Amateur tournament
Site: Biel/Bienne
Date: 2024-07-20
White: Gueldenapfel, Thomas
WhiteElo: 1513
Black: Trachsel, Peter
BlackElo: 1782
Result: 0-1
ECO: D46
Opening: Semi-Slav Defense: Chigorin Defense
Variant: Standard

1. d4 { [%eval 0.16] } 1... d5 { [%eval 0.24] } 2. c4 { [%eval 0.19] } 2... c6 { [%eval 0.21] } 3. e3 { [%eval 0.14] } 3... Nf6 { [%eval 0.24] } 4. Nc3 { [%eval 0.18] } 4... e6 { [%eval 0.25] } 5. Nf3 { [%eval 0.17] } 5... Nbd7 { [%eval 0.24] } 6. Bd3 { [%eval 0.2] } 6... Bd6 { [%eval 0.57] } 7. O-O { [%eval 0.25] } 7... O-O { [%eval 0.27] } 8. h3 { [%eval 0.12] } 8... dxc4 { [%eval 0.1] } 9. Bxc4 { [%eval 0.07] } 9... Nb6?! { [%eval 0.86] } { Inaccuracy. b5 was best. } 10. Bd3 { [%eval 0.94] } 10... Nbd5? { [%eval 2.15] } { Mistake. Nbd7 was best. } 11. Nxd5?? { [%eval -0.54] } { Blunder. e4 was best. } 11... cxd5?! { [%eval 0.09] } { Inaccuracy. exd5 was best. } 12. e4?? { [%eval -4.51] } { Blunder. Qc2 was best. } 12... dxe4 { [%eval -4.54] } 13. Nh2 { [%eval -5.22] } 13... exd3 { [%eval -5.2] } 14. Qxd3 { [%eval -5.2] } 14... Bd7 { [%eval -5.08] } 15. Nf3 { [%eval -5.1] } 15... Bc6 { [%eval -5.04] } 16. a3 { [%eval -5.27] } 16... Qd7 { [%eval -5.15] } 17. b4 { [%eval -5.35] } 17... Bxf3 { [%eval -5.3] } 18. Qxf3 { [%eval -5.18] } 18... Rac8 { [%eval -5.07] } 19. Bg5 { [%eval -5.12] } 19... Be7 { [%eval -4.98] } 20. Rfd1 { [%eval -5.03] } 20... Qd5 { [%eval -4.87] } 21. Qe3 { [%eval -5.2] } 21... Rc4 { [%eval -5.07] } 22. Rab1 { [%eval -5.01] } 22... Rd8 { [%eval -5.03] } 23. Rb2 { [%eval -5.45] } 23... Rxd4 { [%eval -5.05] } 24. Rxd4 { [%eval -4.98] } 24... Qxd4 { [%eval -4.97] } 25. Qe2 { [%eval -5.17] } 25... Qd1+ { [%eval -5.13] } 26. Qxd1 { [%eval -5.14] } 26... Rxd1+ { [%eval -5.13] } 27. Kh2 { [%eval -5.27] } 27... h6 { [%eval -5.25] } 28. Be3 { [%eval -5.27] } 28... b6 { [%eval -5.22] } 29. a4 { [%eval -5.28] } 29... Nd5 { [%eval -5.23] } 30. a5 { [%eval -5.47] } 30... Nxe3 { [%eval -5.46] } 31. fxe3 { [%eval -5.43] } 31... b5 { [%eval -5.44] } 32. Rb3 { [%eval -5.64] } 32... a6 { [%eval -5.6] } 33. Kg3 { [%eval -5.62] } 33... Rc1 { [%eval -5.62] } 34. Kf3 { [%eval -5.6] } 34... Rc7 { [%eval -5.54] } 35. g3 { [%eval -5.74] } 35... Rc4 { [%eval -5.65] } 36. e4 { [%eval -6.08] } 36... Bxb4 { [%eval -6.05] } 37. Rd3 { [%eval -7.56] } 37... Rc3 { [%eval -7.55] } 38. Rxc3 { [%eval -7.08] } 38... Bxc3 { [%eval -6.77] } 39. h4 { [%eval -7.08] } 39... Bxa5 { [%eval -7.57] } 40. g4 { [%eval -8.17] } 40... g6 { [%eval -7.6] } 41. h5? { [%eval #-15] } { Checkmate is now unavoidable. Ke3 was best. } 41... gxh5 { [%eval #-14] } 42. gxh5 { [%eval #-16] } 42... Kg7 { [%eval #-15] } 43. Kf4 { [%eval #-10] } 43... Bc7+ { [%eval #-15] } 44. Kf3 { [%eval #-14] } 44... Kf6 { [%eval #-13] } 45. Ke3?? { [%eval #-13] } { Checkmate is now unavoidable. Ke2 was best. } 45... Ke5 { [%eval #-12] } 46. Kf3 { [%eval #-10] } 46... Kd4 { [%eval #-9] } 0-1