[Event "U.S. National Elementary School Championship 2024 K5"] [Site "Columbus, Ohio"] [Date "2024.04.27"] [Round "05"] [White "Vivan Prakash Mulay"] [Black "Guo, Ethan"] [Result "1-0"] [WhiteElo "1978"] [BlackElo "2291"] [TimeControl "5400+10"] [Variant "Standard"] [ECO "B54"] [Opening "Sicilian Defense: Prins Variation"] [Annotator "https://lichess.org/@/ChessLifeOnline"] [Source "https://lichess.org/study/RWJ340a8/EdPu4Xn6"] [Orientation "white"] 1. e4 { [%clk 1:30:00] } 1... c5 { [%clk 1:30:00] } 2. Nf3 { [%clk 1:30:00] } 2... d6 { [%clk 1:30:00] } 3. d4 { [%clk 1:30:00] } 3... cxd4 { [%clk 1:30:00] } 4. Nxd4 { [%clk 1:30:00] } 4... Nf6 { [%clk 1:30:00] } 5. f3 { [%clk 1:30:00] } 5... e5 { [%clk 1:30:00] } 6. Nb3 { [%clk 1:30:00] } 6... d5 { [%clk 1:30:00] } 7. Bg5 { [%clk 1:30:00] } 7... d4 { [%clk 1:30:00] } 8. c3 { [%clk 1:29:51] } 8... Nc6 { [%clk 1:30:00] } 9. Bb5 { [%clk 1:29:38] } 9... Be7 { [%clk 1:29:17] } 10. cxd4 { [%clk 1:29:04] } 10... exd4 { [%clk 1:29:17] } 11. Qxd4 { [%clk 1:23:30] } 11... O-O { [%clk 1:13:53] } 12. Qxd8 { [%clk 1:21:09] } 12... Rxd8 { [%clk 1:13:53] } 13. Nc3 { [%clk 1:20:30] } 13... Be6 { [%clk 1:13:51] } 14. O-O { [%clk 1:18:08] } 14... h6 { [%clk 1:10:19] } 15. Be3 { [%clk 1:15:50] } 15... Bxb3 { [%clk 1:07:51] } 16. axb3 { [%clk 1:15:50] } 16... Nd4 { [%clk 1:07:12] } 17. Bxd4 { [%clk 1:11:28] } 17... Rxd4 { [%clk 1:07:12] } 18. e5 { [%clk 1:06:54] } 18... Nd5 { [%clk 1:05:28] } 19. Rfd1 { [%clk 0:54:42] } 19... Bc5 { [%clk 1:04:34] } 20. Kh1 { [%clk 0:53:56] } 20... Ne3 { [%clk 1:02:22] } 21. Rxd4 { [%clk 0:53:17] } 21... Bxd4 { [%clk 1:02:18] } 22. f4 { [%clk 0:51:44] } 22... Rc8 { [%clk 1:00:18] } 23. Rc1 { [%clk 0:44:28] } 23... Nd5 { Black is trying to maintain compensation for the pawn, and so far is doing a good job. There's pressure on the f4-pawn, White's doubled b-pawns are a liability, and the pin is a real one with three pieces powering up against the knight. } { [%clk 0:53:35] } 24. Bc4 { [%clk 0:42:11] } 24... Ne3 { [%clk 0:28:51] } (24... Nxf4 { was playable, but not great: } 25. Nb5! Rd8 26. Rd1 Bb6 27. Nd6! $14 { returns the pawn but maintains the initiative. }) 25. Nb5 { [%clk 0:40:40] } 25... Nxc4?! { [%clk 0:28:46] } (25... Rd8! { might have been a better play against the weak back rank. } 26. Nd6 Kf8 27. Bb5 (27. Bxf7? Rxd6! 28. exd6 Kxf7 29. Rc7+ Ke6 30. d7 Ke7 31. Rxb7 Kd8 32. g3 Nd5 $10)) 26. Nxd4 { [%clk 0:40:40] } 26... Nb6 { [%clk 0:28:46] } (26... Rd8 { was better, relying on tactics with } 27. Rxc4 b5 28. Rb4 a5 29. Rxb5 Rxd4 30. g3 Rd1+ 31. Kg2 Rd2+ 32. Kf3 Rxb2 { although White should be winning after } 33. f5 $18) 27. Rxc8+ { [%clk 0:39:47] } 27... Nxc8 { Keeping rooks on was paramount, as now the pawn should be decisive. } { [%clk 0:28:46] } 28. Kg1 { [%clk 0:39:47] } 28... g6 { [%clk 0:26:51] } 29. Kf2 { [%clk 0:39:21] } 29... f6 { [%clk 0:26:51] } 30. Ne6 { [%clk 0:36:19] } 30... fxe5 { [%clk 0:26:05] } 31. fxe5 { [%clk 0:35:29] } 31... Kf7 { [%clk 0:26:04] } 32. Nd8+?! { [%clk 0:35:18] } (32. Nc7 { and White can shield the e-pawn in order to centralize the king. } 32... Ke7 33. Ke3 Kd7 34. Nd5 Ke6 35. Ke4 $18) 32... Ke7 { [%clk 0:26:04] } 33. Nxb7 { [%clk 0:35:18] } 33... Ke6 { [%clk 0:25:47] } 34. Nd8+ { [%clk 0:35:18] } 34... Kxe5 { This changes everything: the passed e-pawn was White's golden goose. } { [%clk 0:24:41] } 35. Ke3 { [%clk 0:30:47] } 35... h5 { [%clk 0:24:20] } (35... Kd5 { was better, trying to dominate the knight by covering the c6-square and thus relegating White's knight to the flanks. }) 36. Nc6+ { [%clk 0:27:48] } 36... Kd6 { [%clk 0:23:17] } 37. Nb4 { [%clk 0:25:17] } 37... g5 { [%clk 0:21:35] } 38. Kd4 { [%clk 0:24:59] } 38... Ne7 { [%clk 0:20:21] } 39. Nd3 { [%clk 0:24:51] } 39... h4 { [%clk 0:16:46] } 40. Ne5 { [%clk 0:23:30] } 40... Ke6 { [%clk 0:15:09] } 41. Ke4 { [%clk 0:23:30] } 41... a6 { [%clk 0:14:04] } 42. b4 { [%clk 0:22:04] } 42... Nd5 { [%clk 0:10:42] } 43. Nf3 { [%clk 0:19:48] } (43. Nd3 { was better. Why not defend the pawn? }) 43... g4? { [%clk 0:07:50] } (43... Nf6+ 44. Kd4 Kf5 $10 { and now what? }) 44. Nxh4 { [%clk 0:19:26] } 44... Nxb4 { [%clk 0:07:50] } 45. Nf5 { [%clk 0:19:24] } 45... a5 { [%clk 0:06:37] } 46. Ne3 { [%clk 0:18:50] } 46... g3 { [%clk 0:06:07] } 47. hxg3 { The passed g-pawns, even if doubled, are decisive. Black does not have any long-ranged pieces, and thus will have to be pulled offsides and lose too much time in the process. } { [%clk 0:18:50] } 47... Nc6 { [%clk 0:05:31] } 48. Nc4 { [%clk 0:18:06] } 48... Kf6 { [%clk 0:04:12] } 49. g4 { [%clk 0:15:09] } 49... Kg5 { [%clk 0:04:12] } 50. b3 { [%clk 0:15:09] } 50... Nb4 { [%clk 0:02:13] } 51. Nxa5 { [%clk 0:14:28] } 51... Kxg4 { [%clk 0:02:13] } 52. Nc4 { [%clk 0:14:28] } 52... Kg3 { [%clk 0:01:42] } 53. Ne3 { [%clk 0:13:59] } 53... Na6 { [%clk 0:01:10] } 54. Kd4 { [%clk 0:13:26] } 54... Nb4 { [%clk 0:00:54] } 55. Kc4 { 1-0 White wins. } { [%clk 0:13:24] } 1-0