Event: Round 4: Osthus, Jannis - Tupac Yupanqui Herrera, Daniel
Site: https://lichess.org/broadcast/german-university-chess-championship-2025--blitz-boards-1-100/round-4/R1ZSddBM/I78FS6Ru
Date: 2025-11-23
White: Osthus, Jannis
Black: Tupac Yupanqui Herrera, Daniel
Result: 0-1
ECO: B40
Opening: Sicilian Defense: French Variation
Variant: Standard
TimeControl: 3+2

1. e4 { [%eval 0.18] [%clk 0:03:04] } 1... c5 { [%eval 0.25] [%clk 0:03:03] } 2. Nf3 { [%eval 0.2] [%clk 0:03:04] } 2... e6 { [%eval 0.28] [%clk 0:03:04] } 3. Bb5 { [%eval -0.13] [%clk 0:02:59] } 3... a6 { [%eval -0.01] [%clk 0:03:01] } 4. Ba4?? { [%eval -2.84] } { Blunder. Be2 was best. } { [%clk 0:03:00] } 4... b5 { [%eval -2.9] [%clk 0:03:02] } 5. Bb3 { [%eval -2.87] [%clk 0:03:01] } 5... c4 { [%eval -2.89] [%clk 0:03:02] } 6. Bxc4 { [%eval -2.9] [%clk 0:02:41] } 6... bxc4 { [%eval -2.88] [%clk 0:03:02] } 7. Nc3 { [%eval -2.95] [%clk 0:02:38] } 7... Nc6 { [%eval -2.75] [%clk 0:03:00] } 8. d3?! { [%eval -3.69] } { Inaccuracy. O-O was best. } { [%clk 0:02:06] } 8... cxd3 { [%eval -3.82] [%clk 0:02:51] } 9. Qxd3 { [%eval -3.95] [%clk 0:01:51] } 9... Bb4 { [%eval -3.33] [%clk 0:02:14] } 10. a3 { [%eval -3.43] [%clk 0:01:50] } 10... Bxc3+ { [%eval -3.63] [%clk 0:02:04] } 11. Qxc3 { [%eval -3.59] [%clk 0:01:51] } 11... Qf6 { [%eval -3.32] [%clk 0:01:55] } 12. Qxf6 { [%eval -4.12] [%clk 0:01:45] } 12... Nxf6 { [%eval -4.04] [%clk 0:01:55] } 13. O-O { [%eval -4.43] [%clk 0:01:44] } 13... O-O { [%eval -3.84] [%clk 0:01:54] } 14. Bg5?! { [%eval -4.82] } { Inaccuracy. e5 was best. } { [%clk 0:01:45] } 14... h6 { [%eval -3.92] [%clk 0:01:49] } 15. Bxf6 { [%eval -3.95] [%clk 0:01:46] } 15... gxf6 { [%eval -3.94] [%clk 0:01:50] } 16. c3 { [%eval -4.01] [%clk 0:01:41] } 16... a5 { [%eval -4.02] [%clk 0:01:49] } 17. Rfe1 { [%eval -4.37] [%clk 0:01:38] } 17... Ne5 { [%eval -4.37] [%clk 0:01:38] } 18. Nxe5 { [%eval -4.36] [%clk 0:01:22] } 18... fxe5 { [%eval -4.25] [%clk 0:01:39] } 19. Rad1 { [%eval -4.34] [%clk 0:01:23] } 19... Rb8 { [%eval -4.18] [%clk 0:01:37] } 20. b4 { [%eval -4.25] [%clk 0:01:21] } 20... axb4 { [%eval -3.72] [%clk 0:01:36] } 21. axb4 { [%eval -3.89] [%clk 0:01:22] } 21... Rd8 { [%eval -3.98] [%clk 0:01:13] } 22. Ra1 { [%eval -4.02] [%clk 0:01:22] } 22... f6 { [%eval -3.58] [%clk 0:00:55] } 23. f3 { [%eval -3.63] [%clk 0:01:10] } 23... d5 { [%eval -3.55] [%clk 0:00:50] } 24. exd5 { [%eval -3.84] [%clk 0:00:59] } 24... exd5 { [%eval -3.78] [%clk 0:00:51] } 25. Kf2 { [%eval -3.8] [%clk 0:00:46] } 25... Be6 { [%eval -3.41] [%clk 0:00:43] } 26. g4 { [%eval -3.72] [%clk 0:00:36] } 26... Rdc8 { [%eval -3.61] [%clk 0:00:40] } 27. Rac1 { [%eval -4.2] [%clk 0:00:33] } 27... Rc4 { [%eval -4.17] [%clk 0:00:39] } 28. Kg3 { [%eval -4.48] [%clk 0:00:27] } 28... Rbc8 { [%eval -4.51] [%clk 0:00:39] } 29. Rf1 { [%eval -4.65] [%clk 0:00:06] } 29... Rxc3 { [%eval -4.6] [%clk 0:00:37] } 30. Rb1 { [%eval -4.76] [%clk 0:00:06] } 30... Rb8 { [%eval -4.65] [%clk 0:00:31] } 31. Kf2 { [%eval -5.26] [%clk 0:00:04] } 31... d4 { [%eval -5.17] [%clk 0:00:29] } 32. Ke2?! { [%eval -6.94] } { Inaccuracy. Ra1 was best. } { [%clk 0:00:04] } 32... Bc4+ { [%eval -6.69] [%clk 0:00:29] } 33. Kd2 { [%eval -9.08] [%clk 0:00:05] } 33... Bxf1 { [%eval -8.67] [%clk 0:00:28] } 34. Rxf1? { [%eval #-18] } { Checkmate is now unavoidable. g5 was best. } { [%clk 0:00:06] } 34... Rxb4 { [%eval -15.51] [%clk 0:00:29] } 35. Re1?! { [%eval #-6] } { Checkmate is now unavoidable. Rd1 was best. } { [%clk 0:00:05] } 35... Rb2+ { [%eval #-5] [%clk 0:00:29] } 36. Kd1 { [%eval #-5] [%clk 0:00:04] } 36... Ra3 { [%eval #-14] [%clk 0:00:28] } 37. Re2 { [%eval #-1] [%clk 0:00:04] } 37... Ra1# { [%clk 0:00:28] } 0-1