Event: Round 4: Straub, Jake - Sengupta, Aroop Ratan
Site: https://lichess.org/broadcast/1-itzehoer-chess-cup--b-open/round-4/208mkkvW/Vj8zuC0j
Date: 2025-10-04
White: Straub, Jake
Black: Sengupta, Aroop Ratan
BlackElo: 1581
Result: 1-0
ECO: B30
Opening: Sicilian Defense: Portsmouth Gambit
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:55] } 1... c5 { [%eval 0.24] [%clk 1:30:22] } 2. Nf3 { [%eval 0.2] [%clk 1:31:10] } 2... Nc6 { [%eval 0.3] [%clk 1:30:38] } 3. b4?! { [%eval -0.33] } { Inaccuracy. Bb5 was best. } { [%clk 1:31:28] } 3... d6?! { [%eval 0.3] } { Inaccuracy. cxb4 was best. } { [%clk 1:29:31] } 4. bxc5 { [%eval 0.25] [%clk 1:31:09] } 4... dxc5 { [%eval 0.32] [%clk 1:29:43] } 5. Bb5 { [%eval 0.22] [%clk 1:30:56] } 5... Bd7 { [%eval 0.17] [%clk 1:29:44] } 6. Bb2 { [%eval 0.2] [%clk 1:24:23] } 6... Qb6 { [%eval 0.5] [%clk 1:27:36] } 7. Bxc6? { [%eval -1.01] } { Mistake. Na3 was best. } { [%clk 1:23:33] } 7... Bxc6 { [%eval -0.88] [%clk 1:27:46] } 8. Bc3 { [%eval -1.25] [%clk 1:19:58] } 8... Bxe4 { [%eval -1.21] [%clk 1:27:18] } 9. d3 { [%eval -1.13] [%clk 1:18:30] } 9... Bxf3?! { [%eval -0.46] } { Inaccuracy. Bd5 was best. } { [%clk 1:23:44] } 10. Qxf3 { [%eval -0.35] [%clk 1:18:00] } 10... Nf6 { [%eval 0.0] [%clk 1:23:18] } 11. Nd2 { [%eval -0.29] [%clk 1:15:12] } 11... g6? { [%eval 1.25] } { Mistake. Qe6+ was best. } { [%clk 1:21:15] } 12. Rb1 { [%eval 1.38] [%clk 1:15:09] } 12... Qe6+?! { [%eval 2.15] } { Inaccuracy. Qc6 was best. } { [%clk 1:20:21] } 13. Kd1 { [%eval 2.23] [%clk 1:02:31] } 13... Bg7 { [%eval 2.48] [%clk 1:18:37] } 14. Re1 { [%eval 2.52] [%clk 1:00:10] } 14... Qc6?? { [%eval 7.04] } { Blunder. Qf5 was best. } { [%clk 1:07:12] } 15. Rxb7?? { [%eval 2.48] } { Blunder. Rxe7+ was best. } { [%clk 0:52:05] } 15... Qxf3+ { [%eval 2.45] [%clk 1:07:19] } 16. Nxf3 { [%eval 2.25] [%clk 0:51:43] } 16... e6 { [%eval 2.24] [%clk 1:05:13] } 17. Bxf6 { [%eval 2.09] [%clk 0:41:37] } 17... Bxf6 { [%eval 2.12] [%clk 1:05:33] } 18. Ne5 { [%eval 1.9] [%clk 0:33:18] } 18... Bxe5?! { [%eval 2.88] } { Inaccuracy. Bg7 was best. } { [%clk 1:02:19] } 19. Rxe5 { [%eval 2.92] [%clk 0:33:23] } 19... c4 { [%eval 2.7] [%clk 1:01:49] } 20. dxc4?? { [%eval -5.58] } { Blunder. d4 was best. } { [%clk 0:28:01] } 20... O-O?? { [%eval 3.19] } { Blunder. O-O-O+ was best. } { [%clk 1:00:07] } 21. Ra5 { [%eval 2.69] [%clk 0:27:07] } 21... Rfc8?! { [%eval 3.87] } { Inaccuracy. Rac8 was best. } { [%clk 0:59:30] } 22. Rbxa7 { [%eval 3.81] [%clk 0:24:34] } 22... Rxa7 { [%eval 3.69] [%clk 0:59:46] } 23. Rxa7 { [%eval 3.54] [%clk 0:24:46] } 23... Rxc4 { [%eval 3.96] [%clk 1:00:10] } 24. Ra8+ { [%eval 3.82] [%clk 0:24:42] } 24... Kg7 { [%eval 3.66] [%clk 1:00:38] } 25. a4 { [%eval 3.67] [%clk 0:24:39] } 25... Kf6 { [%eval 3.69] [%clk 1:00:56] } 26. Kd2?! { [%eval 2.86] } { Inaccuracy. a5 was best. } { [%clk 0:24:31] } 26... Ke7?! { [%eval 3.8] } { Inaccuracy. Ke5 was best. } { [%clk 1:01:03] } 27. Ra7+ { [%eval 3.87] [%clk 0:24:10] } 27... Ke8 { [%eval 4.39] [%clk 1:00:39] } 28. Kd3 { [%eval 4.28] [%clk 0:24:10] } 28... Rb4 { [%eval 4.86] [%clk 1:00:52] } 29. Kc3 { [%eval 4.74] [%clk 0:24:17] } 29... Rb1 { [%eval 5.1] [%clk 1:00:41] } 30. a5 { [%eval 4.48] [%clk 0:24:18] } 30... h5 { [%eval 5.47] [%clk 1:00:59] } 31. a6 { [%eval 5.29] [%clk 0:23:40] } 31... Rb6 { [%eval 6.0] [%clk 1:01:11] } 32. Kd4 { [%eval 5.9] [%clk 0:21:13] } 32... Rc6 { [%eval 6.48] [%clk 1:01:02] } 33. c4 { [%eval 6.27] [%clk 0:20:19] } 33... Kd8 { [%eval 7.28] [%clk 1:00:36] } 34. c5 { [%eval 7.14] [%clk 0:18:45] } 34... f6 { [%eval 9.85] [%clk 1:00:21] } 35. Kc4 { [%eval 9.37] [%clk 0:18:09] } 35... Kc8? { [%eval #11] } { Checkmate is now unavoidable. Rc8 was best. } { [%clk 1:00:41] } 36. Kb5 { [%eval 76.07] [%clk 0:17:49] } 36... Rc7 { [%eval 65.66] [%clk 1:00:33] } 37. Rxc7+ { [%eval 11.72] [%clk 0:18:00] } 37... Kxc7 { [%eval 11.46] [%clk 1:01:01] } 38. a7 { [%eval 9.48] [%clk 0:17:51] } 38... Kb7 { [%eval 60.32] [%clk 1:01:22] } 39. a8=Q+ { [%eval 78.15] [%clk 0:15:43] } 39... Kxa8 { [%eval 59.92] [%clk 1:01:51] } 40. Kc6 { [%eval 13.12] [%clk 0:15:46] } 40... g5 { [%eval 13.0] [%clk 1:02:00] } 41. Kd7 { [%eval 13.38] [%clk 0:15:54] } 41... f5?! { [%eval #10] } { Checkmate is now unavoidable. Kb7 was best. } { [%clk 1:02:09] } 42. c6 { [%eval #9] [%clk 0:16:14] } 42... g4 { [%eval #6] [%clk 1:02:34] } 43. c7 { [%eval #5] [%clk 0:16:33] } 1-0