Event: 2020 US Junior Championship
Site: https://lichess.org/xBeD0lYl
Date: 2020-10-15
White: Nicolas Checa
WhiteTitle: GM
WhiteElo: 2645
Black: Sam Sevian
BlackTitle: GM
BlackElo: 2749
Result: 0-1
ECO: D97
Opening: Grünfeld Defense: Russian Variation, Prins Variation
Variant: Standard
TimeControl: 1500+5
Termination: Time forfeit

1. d4 { [%clk 0:25:00] } 1... Nf6 { [%clk 0:25:00] } 2. c4 { [%clk 0:25:02] } 2... g6 { [%clk 0:25:04] } 3. Nc3 { [%clk 0:25:01] } 3... d5 { [%clk 0:25:08] } 4. Nf3 { [%clk 0:24:44] } 4... Bg7 { [%clk 0:25:11] } 5. Qb3 { [%clk 0:24:46] } 5... dxc4 { [%clk 0:25:07] } 6. Qxc4 { [%clk 0:24:50] } 6... O-O { [%clk 0:25:10] } 7. e4 { [%clk 0:24:52] } 7... Na6 { [%clk 0:25:14] } 8. Be2 { [%clk 0:24:38] } 8... c5 { [%clk 0:25:17] } 9. d5 { [%clk 0:24:41] } 9... e6 { [%clk 0:25:21] } 10. O-O { [%clk 0:24:43] } 10... exd5 { [%clk 0:25:25] } 11. exd5 { [%clk 0:24:47] } 11... Re8 { [%clk 0:25:29] } 12. Rd1 { [%clk 0:24:48] } 12... Bf5 { [%clk 0:24:56] } 13. d6 { [%clk 0:22:09] } 13... h6 { [%clk 0:24:17] } 14. Be3 { [%clk 0:19:39] } 14... Ng4 { [%clk 0:22:00] } 15. Bf4 { [%clk 0:18:29] } 15... Bxc3 { [%clk 0:22:03] } 16. bxc3 { [%clk 0:18:23] } 16... Re4 { [%clk 0:22:07] } 17. Qb5 { [%clk 0:18:27] } 17... Rxf4 { [%clk 0:22:11] } 18. Qxb7 { [%clk 0:18:29] } 18... Ra4 { [%clk 0:22:15] } 19. Bxa6?? { Blunder. Bb5 was best. } { [%clk 0:17:00] } 19... Rb8 { [%clk 0:20:46] } 20. Qxa7 { [%clk 0:13:42] } 20... Ra8 { [%clk 0:20:39] } 21. Qxc5 { [%clk 0:13:42] } 21... R4xa6 { [%clk 0:20:27] } 22. h3 { [%clk 0:12:59] } 22... Nf6 { [%clk 0:20:06] } 23. Ne5?! { Inaccuracy. a4 was best. } { [%clk 0:09:46] } 23... Ne4 { [%clk 0:16:09] } 24. Qd5?! { Inaccuracy. Qb4 was best. } { [%clk 0:08:24] } 24... Nxd6 { [%clk 0:15:23] } 25. Nc6 { [%clk 0:07:34] } 25... Qe8? { Mistake. Qb6 was best. } { [%clk 0:14:22] } 26. Nb4 { [%clk 0:07:16] } 26... Be6 { [%clk 0:12:57] } 27. Qd2 { [%clk 0:04:46] } 27... Nc4 { [%clk 0:11:54] } 28. Qxh6 { [%clk 0:04:49] } 28... Rd6 { [%clk 0:11:27] } 29. Rxd6 { [%clk 0:04:08] } 29... Nxd6 { [%clk 0:11:32] } 30. Rd1 { [%clk 0:04:12] } 30... Nb5 { [%clk 0:10:33] } 31. Qe3 { [%clk 0:03:22] } 31... Bc4 { [%clk 0:10:00] } 32. Qg3 { [%clk 0:02:56] } 32... Qe2 { [%clk 0:08:57] } 33. Rd7 { [%clk 0:02:12] } 33... Qe1+ { [%clk 0:05:25] } 34. Kh2 { [%clk 0:02:15] } 34... Nxc3 { [%clk 0:05:29] } 35. Nc6?? { Blunder. Nc2 was best. } { [%clk 0:00:50] } 35... Qe6?? { Blunder. Be6 was best. } { [%clk 0:02:27] } 36. Ne7+ { [%clk 0:00:33] } 36... Kf8 { [%clk 0:01:41] } 37. Rc7?? { Blunder. Nxg6+ was best. } { [%clk 0:00:14] } 37... Ne2?? { Blunder. Ne4 was best. } { [%clk 0:01:11] } 38. Nxg6+ { [%clk 0:00:17] } 38... Kg7 { [%clk 0:00:47] } 39. Qg5 { [%clk 0:00:13] } 39... Qxg6 { [%clk 0:00:31] } 40. Qxg6+ { [%clk 0:00:17] } 40... Kxg6 { [%clk 0:00:36] } 41. Rxc4 { [%clk 0:00:21] } 41... Rxa2 { [%clk 0:00:40] } 42. h4 { [%clk 0:00:23] } 42... Kf5 { [%clk 0:00:38] } 43. g3 { [%clk 0:00:24] } 43... Ke5 { [%clk 0:00:42] } 44. Kg2 { [%clk 0:00:24] } 44... Nd4 { [%clk 0:00:46] } 45. Rc3 { [%clk 0:00:23] } 45... Nc2 { [%clk 0:00:39] } 46. Rc7 { [%clk 0:00:13] } 46... f6?! { Inaccuracy. Ne3+ was best. } { [%clk 0:00:36] } 47. h5 { [%clk 0:00:15] } 47... Ne1+ { [%clk 0:00:40] } 48. Kg1 { [%clk 0:00:12] } 48... Kf5 { [%clk 0:00:30] } 49. h6 { [%clk 0:00:12] } 49... Kg6 { [%clk 0:00:34] } 50. h7 { [%clk 0:00:15] } 50... Ra8 { [%clk 0:00:38] } 51. Kf1 { [%clk 0:00:13] } 51... Nf3 { [%clk 0:00:40] } 52. Kg2 { [%clk 0:00:17] } 52... Ng5 { [%clk 0:00:43] } 53. Rc2?! { Inaccuracy. Ra7 was best. } { [%clk 0:00:16] } 53... Nxh7 { [%clk 0:00:46] } 54. Rb2 { [%clk 0:00:20] } 54... Ng5 { [%clk 0:00:49] } 55. Re2 { [%clk 0:00:24] } 55... Nf7 { [%clk 0:00:52] } 56. Rb2 { [%clk 0:00:27] } 56... Ne5 { [%clk 0:00:56] } 57. Rc2 { [%clk 0:00:32] } 57... Nd3 { [%clk 0:00:59] } 58. Rd2 { [%clk 0:00:30] } 58... Ne1+ { [%clk 0:01:00] } 59. Kf1 { [%clk 0:00:34] } 59... Nf3 { [%clk 0:01:03] } 60. Rb2 { [%clk 0:00:30] } 60... Ra1+ { [%clk 0:01:06] } 61. Ke2?! { Inaccuracy. Kg2 was best. } { [%clk 0:00:27] } 61... Ng1+ { [%clk 0:01:10] } 62. Ke3 { [%clk 0:00:27] } 62... Ra3+ { [%clk 0:01:13] } 63. Ke4 { [%clk 0:00:22] } 63... Nf3 { [%clk 0:01:13] } 64. Kf4 { [%clk 0:00:21] } 64... Ng5 { [%clk 0:00:59] } 65. Rc2?? { Checkmate is now unavoidable. Kg4 was best. } { [%clk 0:00:15] } 65... Kh5 { [%clk 0:00:46] } 66. g4+ { [%clk 0:00:09] } 66... Kg6 { 0-1 Black wins on time. } { [%clk 0:00:50] } 0-1