Event: Round 4: Lopez Sanchez, Juan Felipe - Casas Ospina, Favio
Date: 2025-06-08
White: Lopez Sanchez, Juan Felipe
WhiteElo: 1892
Black: Casas Ospina, Favio
BlackElo: 1797
Result: 0-1
ECO: C46
Opening: Three Knights Opening
Variant: Standard
TimeControl: 15+10

1. e4 { [%eval 0.18] [%clk 0:08:41] } 1... e5 { [%eval 0.22] [%clk 0:15:06] } 2. Nf3 { [%eval 0.13] } 2... Nc6 { [%eval 0.21] [%clk 0:15:14] } 3. Nc3 { [%eval 0.06] } 3... Be7 { [%eval 0.52] [%clk 0:15:14] } 4. Bc4 { [%eval 0.16] } 4... Nf6 { [%eval 0.23] [%clk 0:15:21] } 5. d3 { [%eval 0.17] } 5... O-O { [%eval 0.28] [%clk 0:15:23] } 6. Bg5 { [%eval 0.0] } 6... d6 { [%eval 0.0] [%clk 0:15:30] } 7. h3 { [%eval -0.23] } 7... Na5 { [%eval -0.14] [%clk 0:15:38] } 8. Bb3 { [%eval -0.22] } 8... Nxb3 { [%eval -0.25] [%clk 0:15:44] } 9. axb3 { [%eval -0.23] } 9... c6 { [%eval 0.08] [%clk 0:15:32] } 10. O-O { [%eval -0.11] } 10... h6 { [%eval -0.08] [%clk 0:15:27] } 11. Be3 { [%eval -0.3] } 11... c5 { [%eval 0.07] [%clk 0:14:57] } 12. Nh2 { [%eval -0.24] } 12... d5 { [%eval -0.18] [%clk 0:13:41] } 13. exd5 { [%eval -0.22] } 13... Nxd5 { [%eval -0.07] [%clk 0:13:48] } 14. Ng4 { [%eval -0.3] } 14... f6 { [%eval -0.42] [%clk 0:08:49] } 15. Qe2 { [%eval -0.68] } 15... Be6 { [%eval -0.23] [%clk 0:08:27] } 16. f4 { [%eval -0.33] } 16... Nxe3 { [%eval -0.12] [%clk 0:08:02] } 17. Qxe3 { [%eval -0.12] } 17... Qd4 { [%eval 0.0] [%clk 0:08:10] } 18. Qxd4? { [%eval -1.24] } { Mistake. f5 was best. } 18... cxd4 { [%eval -0.95] [%clk 0:08:01] } 19. Nb5 { [%eval -1.0] } 19... Bxg4 { [%eval -0.94] [%clk 0:08:08] } 20. hxg4 { [%eval -1.0] } 20... a6?! { [%eval -0.33] } { Inaccuracy. Rfc8 was best. } { [%clk 0:08:13] } 21. Nc7 { [%eval -0.49] } 21... Rac8 { [%eval -0.27] [%clk 0:08:18] } 22. Nd5 { [%eval -0.36] } 22... Rf7 { [%eval -0.03] [%clk 0:05:33] } 23. Rac1? { [%eval -1.42] } { Mistake. c4 was best. } 23... Bd6?! { [%eval -0.51] } { Inaccuracy. Bc5 was best. } { [%clk 0:04:56] } 24. f5?! { [%eval -1.59] } { Inaccuracy. fxe5 was best. } 24... Rc5 { [%eval -1.2] [%clk 0:04:19] } 25. Nb6?! { [%eval -2.07] } { Inaccuracy. c4 was best. } 25... Rb5? { [%eval -0.54] } { Mistake. Rc6 was best. } { [%clk 0:03:28] } 26. Nc4 { [%eval -0.54] } 26... Bb8 { [%eval -0.17] [%clk 0:03:23] } 27. Ra1?! { [%eval -0.88] } { Inaccuracy. Nd2 was best. } 27... Rc5 { [%eval -0.71] [%clk 0:03:19] } 28. Ra5 { [%eval -0.71] } 28... Rc6?! { [%eval -0.02] } { Inaccuracy. Rxa5 was best. } { [%clk 0:03:21] } 29. Rfa1? { [%eval -1.17] } { Mistake. Rd5 was best. } 29... Bc7? { [%eval -0.04] } { Mistake. e4 was best. } { [%clk 0:03:02] } 30. R5a2?? { [%eval -2.17] } { Blunder. Rd5 was best. } 30... Re7?! { [%eval -1.52] } { Inaccuracy. e4 was best. } { [%clk 0:02:51] } 31. Re1 { [%eval -1.47] } 31... b5 { [%eval -1.18] [%clk 0:02:45] } 32. Na3?! { [%eval -1.93] } { Inaccuracy. Nd2 was best. } 32... Bb6?! { [%eval -1.25] } { Inaccuracy. g6 was best. } { [%clk 0:02:40] } 33. b4?! { [%eval -2.27] } { Inaccuracy. Kf2 was best. } 33... e4? { [%eval -0.73] } { Mistake. Bc7 was best. } { [%clk 0:02:27] } 34. dxe4?? { [%eval -4.61] } { Blunder. Kf1 was best. } 34... d3+ { [%eval -4.34] } 35. Kh2 { [%eval -4.23] } 35... dxc2 { [%eval -4.25] } 36. Rc1 { [%eval -3.96] } 36... Rxe4 { [%eval -4.15] } 37. Rxc2 { [%eval -4.22] } 37... Bc7+ { [%eval -4.72] } 38. Kh3 { [%eval -4.95] } 38... Re3+ { [%eval -4.82] } 39. Kh4 { [%eval -4.67] } 39... Bg3+?! { [%eval -3.7] } { Inaccuracy. Re1 was best. } 40. Kh5 { [%eval -3.18] } 40... Rd6?? { [%eval 0.0] } { Blunder. Rc7 was best. } 41. Kg6 { [%eval 0.0] } 41... Rd8 { [%eval 0.39] } 42. Nb1?? { [%eval #-7] } { Checkmate is now unavoidable. Rc3 was best. } 42... Re4 { [%eval -9.3] } 43. Kh5 { [%eval -8.25] } 43... Rd1 { [%eval -8.0] } 44. Nd2? { [%eval #-2] } { Checkmate is now unavoidable. Rc8+ was best. } 44... Rh1+ { [%eval #-1] } 0-1