Event: Round 6: Mamah, Isabelle - Calzetta Ruiz, Monica
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--women-50/round-6/PGGN0xxL/jvHAmpn4
Date: 2025-10-26
White: Mamah, Isabelle
WhiteElo: 1853
Black: Calzetta Ruiz, Monica
BlackTitle: WGM
BlackElo: 2221
Result: 1/2-1/2
ECO: A45
Opening: Indian Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:42] } 1... Nf6 { [%eval 0.19] [%clk 1:30:26] } 2. Bf4 { [%eval 0.0] [%clk 1:31:00] } 2... c5 { [%eval 0.19] [%clk 1:30:08] } 3. e3 { [%eval 0.0] [%clk 1:29:49] } 3... g6 { [%eval 0.11] [%clk 1:22:28] } 4. c3 { [%eval 0.04] [%clk 1:29:27] } 4... cxd4 { [%eval 0.23] [%clk 1:11:31] } 5. cxd4 { [%eval 0.14] [%clk 1:28:11] } 5... Bg7 { [%eval 0.23] [%clk 1:09:59] } 6. Nc3 { [%eval 0.21] [%clk 1:28:21] } 6... O-O { [%eval 0.22] [%clk 1:08:38] } 7. Nf3 { [%eval 0.1] [%clk 1:28:25] } 7... d6 { [%eval 0.22] [%clk 0:55:44] } 8. Be2 { [%eval 0.1] [%clk 1:28:23] } 8... h6 { [%eval 0.38] [%clk 0:48:55] } 9. h3 { [%eval 0.3] [%clk 1:28:19] } 9... Bf5 { [%eval 0.65] [%clk 0:38:35] } 10. O-O { [%eval 0.57] [%clk 1:27:18] } 10... g5 { [%eval 0.71] [%clk 0:35:35] } 11. Bh2 { [%eval 0.5] [%clk 1:26:04] } 11... Nbd7 { [%eval 0.89] [%clk 0:35:22] } 12. Nd2 { [%eval 0.98] [%clk 1:25:24] } 12... e5?! { [%eval 1.6] } { Inaccuracy. Rc8 was best. } { [%clk 0:27:41] } 13. Nc4 { [%eval 1.45] [%clk 1:23:38] } 13... Ne8 { [%eval 1.53] [%clk 0:20:57] } 14. Rc1 { [%eval 1.66] [%clk 1:09:17] } 14... Rc8 { [%eval 2.06] [%clk 0:19:21] } 15. Nb5 { [%eval 2.04] [%clk 0:54:39] } 15... Qe7? { [%eval 3.63] } { Mistake. exd4 was best. } { [%clk 0:17:01] } 16. dxe5 { [%eval 3.6] [%clk 0:47:11] } 16... dxe5?! { [%eval 4.85] } { Inaccuracy. Nxe5 was best. } { [%clk 0:17:22] } 17. Nbd6 { [%eval 4.69] [%clk 0:45:12] } 17... Nxd6 { [%eval 4.83] [%clk 0:16:38] } 18. Qxd6?? { [%eval 0.83] } { Blunder. Nxd6 was best. } { [%clk 0:45:24] } 18... Rfe8?! { [%eval 1.67] } { Inaccuracy. Qd8 was best. } { [%clk 0:15:43] } 19. Qxe7 { [%eval 1.69] [%clk 0:44:25] } 19... Rxe7 { [%eval 1.72] [%clk 0:16:11] } 20. Nd6 { [%eval 1.7] [%clk 0:44:42] } 20... Rxc1 { [%eval 1.69] [%clk 0:16:39] } 21. Rxc1 { [%eval 1.59] [%clk 0:45:04] } 21... Be6 { [%eval 1.71] [%clk 0:16:47] } 22. b3? { [%eval 0.39] } { Mistake. Rc7 was best. } { [%clk 0:43:23] } 22... Nb6 { [%eval 0.64] [%clk 0:16:56] } 23. Nb5 { [%eval 0.13] [%clk 0:35:26] } 23... a6 { [%eval 0.48] [%clk 0:16:56] } 24. Rc7 { [%eval -0.06] [%clk 0:33:37] } 24... Kf8 { [%eval -0.1] [%clk 0:14:20] } 25. Rxe7 { [%eval -0.11] [%clk 0:33:41] } 25... Kxe7 { [%eval -0.14] [%clk 0:14:49] } 26. Nc3 { [%eval -0.1] [%clk 0:33:32] } 26... f5 { [%eval -0.02] [%clk 0:14:02] } 27. e4 { [%eval -0.14] [%clk 0:33:03] } 27... f4 { [%eval -0.11] [%clk 0:14:12] } 28. f3 { [%eval -0.03] [%clk 0:33:02] } 28... Kd7 { [%eval -0.08] [%clk 0:08:42] } 29. Kf1 { [%eval -0.18] [%clk 0:33:27] } 29... Bf8 { [%eval -0.09] [%clk 0:09:03] } 30. Bg1 { [%eval -0.19] [%clk 0:33:50] } 30... Kc6 { [%eval -0.14] [%clk 0:08:54] } 31. Bxb6 { [%eval -0.54] [%clk 0:20:29] } 31... Kxb6 { [%eval -0.23] [%clk 0:09:22] } 32. Bd3 { [%eval -0.29] [%clk 0:20:06] } 32... Kc5 { [%eval -0.3] [%clk 0:09:16] } 33. Ke2 { [%eval -0.53] [%clk 0:19:47] } 33... Kd4 { [%eval -0.4] [%clk 0:04:42] } 34. Nd5 { [%eval -0.6] [%clk 0:13:27] } 34... Bxd5 { [%eval -0.41] [%clk 0:05:09] } 35. exd5 { [%eval -0.45] [%clk 0:13:51] } 35... b5 { [%eval 0.0] [%clk 0:05:09] } 36. a4 { [%eval 0.0] [%clk 0:13:51] } 36... bxa4 { [%eval 0.0] [%clk 0:05:36] } 37. bxa4 { [%eval 0.0] [%clk 0:14:08] } 37... a5 { [%eval 0.0] [%clk 0:05:49] } 38. Be4 { [%eval 0.0] [%clk 0:14:32] } 38... Bb4 { [%eval 0.0] [%clk 0:06:16] } 39. Kf2 { [%eval 0.0] [%clk 0:11:00] } 39... Kc4 { [%eval 0.0] [%clk 0:05:36] } 40. d6 { [%eval 0.0] [%clk 0:10:12] } 40... Bxd6 { [%eval 0.0] [%clk 0:06:03] } 41. Ke2 { [%eval 0.0] [%clk 0:10:37] } 41... Kc3 { [%eval 0.0] [%clk 0:05:01] } 42. Bc6 { [%eval 0.0] [%clk 0:10:54] } 42... Bc5 { [%eval 0.0] [%clk 0:05:26] } 43. Be4 { [%eval 0.0] [%clk 0:11:01] } 43... Be7 { [%eval 0.0] [%clk 0:01:50] } 44. Bd5 { [%eval 0.0] [%clk 0:10:08] } 44... Bc5 { [%eval 0.0] [%clk 0:27:33] } 45. Be4 { [%eval 0.0] [%clk 0:40:29] } 45... Bd4 { [%eval 0.0] [%clk 0:28:00] } 46. Bd5 { [%eval 0.0] [%clk 0:40:50] } 46... Bb6 { [%eval 0.0] [%clk 0:27:19] } 47. Bc6 { [%eval 0.0] [%clk 0:40:39] } 47... Bc7 { [%eval 0.0] [%clk 0:25:38] } 48. Bd5 { [%eval 0.0] [%clk 0:41:04] } 48... Kb4 { [%eval 0.0] [%clk 0:24:00] } 49. Bc6 { [%eval 0.0] [%clk 0:41:30] } 49... Kc5 { [%eval 0.0] [%clk 0:24:26] } 50. Be4 { [%eval 0.0] [%clk 0:41:35] } 50... Kc4 { [%eval 0.0] [%clk 0:09:25] } 51. Bc6 { [%eval 0.0] [%clk 0:42:01] } 51... h5 { [%eval 0.0] [%clk 0:09:50] } 52. Be4 { [%eval 0.0] [%clk 0:41:52] } 52... Kb4 { [%eval 0.0] [%clk 0:07:10] } 53. Bc6 { [%eval 0.0] [%clk 0:41:47] } 53... Kc5 { [%eval 0.0] [%clk 0:05:50] } 1/2-1/2