[Event "1000GM Summer GM-I 2024"]
[Site "San Jose"]
[Date "2024.07.06"]
[Round "6.1"]
[White "Sivakumar, Shaashwath"]
[Black "Gumularz, Szymon"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2288"]
[BlackElo "2587"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2024.07.03"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,74,47,43,41,45,42,12,52,17,33,29,36,0,21,20,33,16,36,29,31,26,47,26,42,37,45,53,75,76,83,78,83,73,131,62,64,74,65,62,53,58,63,61,62,55,84,79,78,72,116,120,223,223,181,90,84,84,84,48,39,53,75,75,79]} 1. d4 {[%emt 0:00:02]} g6 {[%emt 0:02:53]} 2. c4 {[%emt 0:00:09]} Bg7 {[%emt 0:00:05]} 3. g3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:39]} 4. Bg2 {[%emt 0:00:05]} O-O {[%emt 0:00:06]} 5. Nf3 {[%emt 0:00:02]} d6 {[%emt 0:00:06]} 6. O-O {[%emt 0:00:05]} Bd7 {[%emt 0:00:04]} 7. Nc3 {[%emt 0:00:11]} Re8 {[%emt 0:00:05]} 8. Bf4 {[%emt 0:20:40]} Qc8 {[%emt 0:00:20]} 9. Re1 {[%emt 0:00:57]} Bh3 {[%emt 0:00:49] The position is equal.} 10. Bh1 {[%emt 0:00:55]} Nh5 {[%emt 0:02:11] White must now prevent ...Nxf4.} 11. Be3 {[%emt 0:02:44]} h6 {[%emt 0:00:44]} 12. Qd2 {[%emt 0:00:59]} Kh7 {[%emt 0:00:11]} 13. d5 {[%emt 0:06:05]} Nf6 {[%emt 0:02:03]} 14. c5 {[%emt 0:08:20]} Nbd7 {[%emt 0:02:23]} 15. cxd6 $1 {[%emt 0:01:25]} exd6 {[%emt 0:01:18]} 16. Rac1 {[%emt 0:01:32]} a6 {[%emt 0:01:19]} 17. Red1 {[%emt 0:10:45]} (17. Bd4 {is interesting.} Qd8 18. e4 Rc8 19. Bg2) 17... Qd8 {[%emt 0:00:15]} 18. Ne1 {[%emt 0:00:34]} Qe7 {[%emt 0:04:05]} 19. Bd4 {[%emt 0:01:30]} h5 {[%emt 0:06:24]} 20. Nf3 {[%emt 0:18:25]} Bh6 {[%emt 0:07:36]} 21. Ng5+ {[%emt 0:00:19]} Kg8 {[%emt 0:00:05] [#] Threatens to win with ...Nh7.} 22. f4 $1 {[%emt 0:00:35][%cal Bf2f4,Bf4g5][%mdl 32]} Bf5 {[%emt 0:00:25]} (22... Bxg5 $142 23. fxg5 Nh7) 23. e4 {[%emt 0:00:08]} ({White should play} 23. g4 $16 Bxg4 (23... hxg4 $2 {is the wrong capture.} 24. e4 $18) 24. h3) 23... Bg4 $14 {[%emt 0:00:15]} 24. Rf1 {[%emt 0:06:01] aiming for h3.} Bxg5 {[%emt 0:00:32]} 25. fxg5 {[%emt 0:00:04]} Nh7 {[%emt 0:00:05][%cal Og4h3]} 26. h4 $36 {[%emt 0:00:19][%mdl 2048] White is more active.} Ne5 {[%emt 0:00:50]} 27. Nd1 {[%emt 0:01:00]} Bxd1 {[%emt 0:05:28]} 28. Qxd1 {[%emt 0:00:06]} f6 {[%emt 1:03:14]} 29. gxf6 {[%emt 0:03:06]} Nxf6 {[%emt 0:00:00]} 30. Qb3 {[%emt 0:00:14]} b6 {[%emt 0:00:00]} 31. Qc3 {[%emt 0:02:03]} Ra7 {[%emt 0:00:00] [#]} (31... Nfg4 $16 {was called for.}) 32. Bxe5 $1 $18 {[%emt 0:01:27]} dxe5 {[%emt 0:00:00]} 33. Qc6 {[%emt 0:00:08]} (33. Qf3 $18 {and White stays clearly on top.} Nh7 34. Rc6) 33... Rf8 $16 {[%emt 0:00:00]} 34. Rf2 {[%emt 0:02:02]} Kg7 {[%emt 0:00:00]} 35. Rcf1 {[%emt 0:00:09] White has more active pieces.} Qd6 {[%emt 0:03:30]} 36. Rc2 {[%emt 0:02:19]} Qe7 {[%emt 0:00:00]} 37. Bg2 {[%emt 0:01:12]} Rd8 {[%emt 0:00:00] Weighted Error Value: White=0.11 (very precise) /Black=0.17 (very precise) .  Mistake:       	White=2     	Black=2      Inaccurate:     	White=4     	Black=3      OK:         	White=10    	Black=8      Best:        	White=2     	Black=1      Strong:       	White=3     	---} 1/2-1/2

[Event "1000GM Summer GM-I 2024"]
[Site "San Jose"]
[Date "2024.07.06"]
[Round "6.2"]
[White "Grigoryan, Karen"]
[Black "Arenas, David"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2573"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2024.07.03"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,71,6,15,16,35,13,130,111,112,97,101,116,136,123,212,176,173,175,156,155,179,159,245,243,288,291,353,351,339,182,198,179,185,118,100,103,108,82,93,108,114,121,118,131,128,118,139,137,175,151,200,200,179,192,177,179,328,323]} 1. d4 {[%emt 0:03:39]} Nf6 {[%emt 0:03:12]} 2. c4 {[%emt 0:00:12]} e6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:05]} d5 {[%emt 0:00:07]} 4. Bg5 {[%emt 0:00:19]} Be7 {[%emt 0:00:07]} 5. e3 {[%emt 0:00:06]} h6 {[%emt 0:00:09]} 6. Bxf6 {[%emt 0:00:32]} Bxf6 {[%emt 0:00:06]} 7. Nf3 {[%emt 0:00:06]} O-O {[%emt 0:00:27]} 8. Qc2 {[%emt 0:00:32]} c6 {[%emt 0:00:11]} 9. h4 {[%emt 0:00:36][%cal Bh2h4,Bh4g5][%mdl 32]} Nd7 {[%emt 0:05:10]} 10. g4 {[%emt 0:00:17][%cal Og4g5]} g6 {[%emt 0:00:08] [#]} (10... e5 $11) 11. g5 $1 $16 {[%emt 0:01:32][%mdl 512] White is better.} hxg5 {[%emt 0:01:09]} (11... Bg7 12. gxh6) 12. hxg5 {[%emt 0:01:15]} Bg7 {[%emt 0:05:15]} 13. O-O-O {[%emt 0:04:32]} Qe7 {[%emt 0:09:37]} 14. Rh4 {[%emt 0:01:54]} b5 {[%emt 0:01:09]} 15. cxd5 {[%emt 0:01:51]} (15. cxb5 $6 c5 $16) 15... exd5 {[%emt 0:01:35]} 16. Bd3 {[%emt 0:01:12][%cal Od3g6] Threatens to win with Bxg6!} Qd6 {[%emt 0:04:17]} 17. Rdh1 {[%emt 0:08:25]} Re8 {[%emt 0:03:21]} 18. e4 $1 {[%emt 0:02:31][%cal Be3e4,Be4e5][%mdl 32]} b4 {[%emt 0:04:20]} (18... c5 $16 {might work better.}) 19. e5 $18 {[%emt 0:00:24]} Qe6 {[%emt 0:00:43]} 20. Ne2 {[%emt 0:00:51] Black must now prevent Nf4.} c5 {[%emt 0:01:08]} 21. Nf4 {[%emt 0:00:27]} ({Inferior is} 21. dxc5 Nxe5 22. Nxe5 Qxe5 $11) 21... Qc6 {[%emt 0:00:06] [#]} 22. Bxg6 {[%emt 0:05:18]} fxg6 {[%emt 0:00:24]} 23. Nxg6 {[%emt 0:00:05] Rf4 would kill now. Excellent horsemanship.} Bb7 {[%emt 0:03:50] [#] ...cxd4 is the strong threat.} 24. Rh8+ {[%emt 0:15:46]} Bxh8 $16 {[%emt 0:00:34]} 25. Rxh8+ {[%emt 0:00:07]} Kg7 {[%emt 0:00:12] [#]} 26. Rh7+ {[%emt 0:00:16][%mdl 512]} Kg8 {[%emt 0:10:16]} 27. Ne7+ {[%emt 0:00:53]} Rxe7 {[%emt 0:00:06]} 28. Rxe7 $40 {[%emt 0:00:06][%mdl 128] White threatens Qh7+ and mate. White attacks with force.} cxd4 {[%emt 0:00:10]} 29. Qxc6 {[%emt 0:04:42]} Bxc6 {[%emt 0:00:01]} 30. Nxd4 {[%emt 0:00:09]} Rc8 {[%emt 0:00:45] [#]} 31. Kd2 $1 {[%emt 0:01:36] Strongly threatening Nxc6. White has more active pieces.} Nc5 {[%emt 0:03:37]} 32. g6 {[%emt 0:05:07]} Bd7 {[%emt 0:22:26] [#] Prevents Nf5.} (32... Be8 $16) 33. e6 $1 $18 {[%emt 0:01:29]} Bxe6 {[%emt 0:00:24]} 34. Nxe6 {[%emt 0:00:08]} Nxe6 {[%emt 0:00:01]} 35. Rxe6 {[%emt 0:00:08] aiming for f4.} Kg7 {[%emt 0:00:02]} (35... Rf8 $142 36. Ke2 Kg7) 36. f4 {[%emt 0:01:18] Weighted Error Value: White=0.20 (precise) /Black=0.34.  Mistake:       	White=2     	Black=5      OK:         	White=6     	Black=4      Best:        	White=4     	Black=6      Strong:       	White=2     	---        Brilliant:      	White=2     	---} 1-0

[Event "1000GM Summer GM-I 2024"]
[Site "San Jose"]
[Date "2024.07.06"]
[Round "6.3"]
[White "Shivakumar, Shawnak"]
[Black "Lu, Maximillian"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2315"]
[BlackElo "2380"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2024.07.03"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,83,25,26,38,39,37,49,36,36,35,43,35,24,62,33,83,87,171,148,316,329,331,318,431,418,372,340,388,398,439,457,436,387,393,359,396,423,425,422,489,498,500,483,486,506,482,497,606,399,670,529,675,821,671,745,880,877,966,939,1104,1129,2777,2521,1586,1891,1811,1303,1602,1573,1408,1437,29982,29982]} 1. d4 {[%emt 0:09:13]} Nf6 {[%emt 0:00:01]} 2. Nf3 {[%emt 0:00:45]} g6 {[%emt 0:00:02]} 3. c4 {[%emt 0:00:12]} Bg7 {[%emt 0:00:02]} 4. g3 {[%emt 0:00:06]} b6 {[%emt 0:00:20]} 5. Bg2 {[%emt 0:00:45]} Bb7 {[%emt 0:00:01]} 6. O-O {[%emt 0:00:20]} O-O {[%emt 0:00:03]} 7. d5 {[%emt 0:00:07]} Na6 {[%emt 0:00:05][%cal Bb8a6,Ba6c5,Bc5e4][%mdl 32]} 8. Nc3 {[%emt 0:00:29]} Nc5 {[%emt 0:00:02]} 9. Re1 {[%emt 0:00:10]} Nfe4 {[%emt 0:10:05] White is slightly better.} 10. Nxe4 {[%emt 0:00:11]} Nxe4 {[%emt 0:00:02]} 11. Qc2 {[%emt 0:00:09]} Nc5 {[%emt 0:04:45]} 12. e4 {[%emt 0:11:20][%cal Be2e4,Be4e5][%mdl 32]} c6 {[%emt 0:00:08]} 13. Bf4 {[%emt 0:05:51]} Rc8 {[%emt 0:07:30]} (13... cxd5 $14 14. exd5 (14. cxd5 Qe8 $16) 14... e6) 14. Rad1 $16 {[%emt 0:10:35] White is more active.} b5 {[%emt 0:12:28] [#]} (14... cxd5 $16 15. exd5 (15. cxd5 Ne6 $11) 15... b5) 15. d6 $1 $18 {[%emt 0:03:32][%cal Bd5d6,Bd6e7][%mdl 32] Threatens to win with dxe7.} (15. b4 Na4 $16) 15... Bf6 {[%emt 0:12:15] Loses the game.} (15... e6 $16 {is a better defense.} 16. a3 f5) 16. e5 {[%emt 0:03:39]} Bg7 {[%emt 0:00:29] Black is weak on the dark squares} 17. Bg5 {[%emt 0:00:49]} Qa5 {[%emt 0:01:51]} 18. dxe7 {[%emt 0:02:59]} Rfe8 {[%emt 0:00:00]} 19. a3 {[%emt 0:00:55]} bxc4 {[%emt 0:07:03]} 20. Qxc4 {[%emt 0:01:01] [#] Strongly threatening b4.} Ne6 {[%emt 0:03:27]} 21. Bf6 {[%emt 0:03:22]} (21. Rxd7 Nxg5 22. Nxg5 Qxe1+ $18) 21... c5 {[%emt 0:03:16]} 22. Ng5 {[%emt 0:14:28]} (22. Rxd7 Bxf3 23. Rc1 Bxg2 24. Kxg2 Qb6 $11) 22... Bxg2 {[%emt 0:06:43]} 23. Nxe6 {[%emt 0:00:43]} ({Don't do} 23. Kxg2 Nxg5 24. Bxg5 h6 $18) 23... dxe6 {[%emt 0:02:46]} 24. Kxg2 {[%emt 0:00:20]} Qb6 {[%emt 0:04:46]} 25. Re2 {[%emt 0:01:43][%cal Be1e2,Be2d2,Bd2d7][%mdl 32]} h6 {[%emt 0:07:44]} 26. Red2 {[%emt 0:02:01] aiming for Rd8.} Qb7+ {[%emt 0:07:01]} 27. Kg1 {[%emt 0:00:20]} Rxe7 {[%emt 0:00:20]} 28. Bxe7 {[%emt 0:00:09]} Qxe7 {[%emt 0:00:01]} 29. Rd7 {[%emt 0:00:50]} Qg5 {[%emt 0:00:14]} 30. Qf4 {[%emt 0:00:42]} Qxf4 {[%emt 0:00:01]} (30... Rf8 31. Qxg5 (31. Rxa7 Bxe5 32. Qxg5 hxg5 $18) 31... hxg5) 31. gxf4 {[%emt 0:00:20][%mdl 4096] Endgame. Black must now prevent Rd8+. KRR-KRB} g5 {[%emt 0:00:02]} 32. Rd8+ {[%emt 0:04:57]} Rxd8 {[%emt 0:00:01]} 33. Rxd8+ {[%emt 0:00:09] KR-KB} Kh7 {[%emt 0:00:00]} 34. Rc8 {[%emt 0:00:39]} gxf4 {[%emt 0:00:41]} 35. Rxc5 {[%emt 0:00:09]} Kg6 {[%emt 0:00:01]} 36. Ra5 {[%emt 0:00:17]} Kf5 {[%emt 0:14:14]} 37. Rxa7 {[%emt 0:00:20]} Bxe5 {[%emt 0:00:00]} 38. Rxf7+ {[%emt 0:00:16]} Ke4 {[%emt 0:00:00]} 39. b4 {[%emt 0:02:12]} Bd6 {[%emt 0:00:00]} 40. Rf6 {[%emt 0:00:39]} Kd5 {[%emt 0:00:00]} 41. Rxh6 {[%emt 0:00:07]} Be5 {[%emt 0:00:00]} 42. Rh5 {[%emt 0:00:09] Weighted Error Value: White=0.22 (precise) /Black=0.70.  Loses game:     	---       	Black=1      Mistake:       	---       	Black=3      Inaccurate:     	White=2     	Black=2      OK:         	White=14    	Black=6      Best:        	White=2     	Black=2      Strong:       	White=1     	---} 1-0

[Event "1000GM Summer GM-I 2024"]
[Site "San Jose"]
[Date "2024.07.06"]
[Round "6.4"]
[White "Levine, Joseph"]
[Black "Sripada, Havish"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2364"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2024.07.03"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,89,68,49,58,54,44,36,41,42,55,39,26,24,22,27,57,54,39,22,59,56,47,31,38,39,29,39,113,48,57,70,60,61,62,37,79,55,146,148,143,116,141,130,424,139,222,204,251,245,560,528,547,562,546,543,548,543,770,721,689,676,29984,29984,29987,29988,29990,29991,29992,29975]} 1. e4 {[%emt 0:01:22]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:13]} d6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:09]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:05]} a6 {[%emt 0:00:06]} 6. Bg5 {[%emt 0:00:08]} e6 {[%emt 0:00:07]} 7. f4 {[%emt 0:00:08]} Be7 {[%emt 0:00:18]} 8. Qf3 {[%emt 0:00:09]} Qc7 {[%emt 0:00:11]} 9. O-O-O {[%emt 0:00:05]} Nbd7 {[%emt 0:00:15][%cal Bb8d7,Bd7b6,Bb6a4,Ba4c3][%mdl 32]} 10. g4 {[%emt 0:00:02][%cal Bg2g4,Bg4g5][%mdl 32]} h6 {[%emt 0:00:12]} 11. Bxf6 {[%emt 0:00:02]} Bxf6 {[%emt 0:00:09]} 12. h4 {[%emt 0:00:06] White is more active.} Nb6 {[%emt 0:00:06]} 13. g5 {[%emt 0:00:02]} (13. Be2 $5) 13... Bxd4 {[%emt 0:00:08]} 14. Rxd4 {[%emt 0:00:02]} Qc5 {[%emt 0:00:09] White is slightly better.} 15. Rd2 {[%emt 0:00:03]} Bd7 {[%emt 0:00:35]} 16. Be2 {[%emt 0:00:07]} Na4 {[%emt 0:05:29]} 17. Rd3 {[%emt 0:00:11]} Rc8 {[%emt 0:00:26]} 18. Bd1 {[%emt 0:00:08] [#] Hoping for Nxa4.} Nxc3 {[%emt 0:01:50]} 19. Rxc3 {[%emt 0:00:01]} Qa5 {[%emt 0:00:12]} 20. gxh6 {[%emt 0:00:14]} gxh6 {[%emt 0:01:00]} 21. Rxc8+ {[%emt 0:00:09]} Bxc8 {[%emt 0:00:06] [#]} 22. e5 $1 {[%emt 0:00:18]} dxe5 {[%emt 0:01:19]} (22... Ke7 23. exd6+) 23. Rf1 {[%emt 0:00:17]} Rf8 $1 {[%emt 0:00:27]} 24. a3 {[%emt 0:00:05]} Qa4 {[%emt 0:14:35]} (24... Qc7 $14) 25. Qc3 {[%emt 0:06:29]} ({Better is} 25. fxe5 $16 {Threatens to win with Qf6.} Qxh4 26. Kb1) 25... Bd7 $14 {[%emt 0:01:36]} 26. Qxe5 {[%emt 0:08:01]} (26. fxe5 Qc6 $16) 26... Qb5 {[%emt 0:06:39]} 27. Qe1 {[%emt 0:00:26]} Kd8 {[%emt 0:03:52][%cal Be8d8,Bd8e7,Be7d6][%mdl 32]} 28. Rg1 {[%emt 0:07:00] Dodges Rg8} Ke7 {[%emt 0:12:09]} 29. h5 {[%emt 0:03:57]} Rc8 {[%emt 0:05:09]} (29... Qc5 $14) 30. Qh4+ $16 {[%emt 0:01:24]} Kd6 {[%emt 0:00:28]} 31. Qf6 {[%emt 0:16:52][%csl LRf7,LRh6]} Qf5 {[%emt 0:07:10]} 32. Qxh6 {[%emt 0:02:11]} Rc4 $2 {[%emt 0:01:20][%mdl 8192] A mistake that costs the game.} (32... Bc6 $16) 33. Rh1 $2 {[%emt 0:28:40]} (33. Qf8+ $18 {and White stays clearly on top.} Kc7 34. h6) 33... Qe4 {[%emt 0:09:44]} (33... Qxf4+ $2 34. Qxf4+ Rxf4 35. h6 $18) (33... Rxf4 $2 34. Qf8+ Kc7 35. h6 $18) (33... Bc6 $16 34. Rf1 Be4) 34. Rh3 {[%emt 0:02:58]} Qf5 {[%emt 0:10:06]} (34... Qxf4+ 35. Qxf4+ Rxf4 36. h6 $18) 35. Rh2 {[%emt 0:03:44] Qf8+ is the strong threat.} Rxf4 $2 {[%emt 0:00:12]} (35... Rc8 {is a better chance.} 36. Qg5 Qxg5 37. fxg5 Bc6) 36. Qg7 $18 {[%emt 0:04:08] Strongly threatening h6.} e5 {[%emt 0:01:36]} 37. h6 {[%emt 0:02:17][%cal Bh5h6,Bh6h7][%mdl 32]} Rd4 {[%emt 0:01:37]} 38. Qg1 {[%emt 0:03:54] And now h7 would win.} (38. Qf8+ Kc6 39. b4 (39. Rh1 Qf4+ 40. Kb1 Bf5 $11) 39... Rxd1+ 40. Kxd1 Qf1+ 41. Kd2 Qf4+ 42. Ke1 Qc1+ 43. Ke2 (43. Kf2 Qd2+ 44. Kf3 Qc3+ 45. Ke2 Qxc2+ 46. Ke3 Qc1+ 47. Ke2 Qb2+ 48. Kf3 Qc3+ 49. Kg2 Qc2+ 50. Kh1 Qc1+ 51. Kg2 Qd2+ 52. Kg1 Qe1+ 53. Kg2 Qd2+ 54. Kh1 Qc1+ 55. Kg2 Qd2+ $11) 43... Qxc2+ 44. Ke3 Qc3+ 45. Ke2 (45. Kf2 Qc2+ 46. Kg1 Qd1+ 47. Kf2 Qd2+ 48. Kg1 Qc1+ 49. Kf2 Qb2+ 50. Kf3 Qc3+ 51. Ke2 Qc2+ 52. Kf3 Qf5+ 53. Ke2 Qc2+ $11) 45... Bg4+ 46. Kf2 Qf3+ 47. Kg1 Qd1+ 48. Kg2 Qd2+ 49. Kg1 Qd1+ 50. Kg2 Qd5+ 51. Kg3 Qf3+ 52. Kh4 Qf6+ 53. Kxg4 Qf4+ 54. Kh3 Qf3+ 55. Kh4 Qf4+ 56. Kh3 Qf3+ 57. Kh4 Qf4+ 58. Kh3 $11) 38... Be6 {[%emt 0:00:58] ( -> ...Qf4+)} 39. Be2 {[%emt 0:07:50] Black must now prevent h7.} (39. h7 $2 Qf4+ 40. Kb1 Qxh2 $19) 39... Qf4+ {[%emt 0:09:53]} 40. Kb1 {[%emt 0:00:01] h7 would now be deadly.} Bf5 {[%emt 0:00:10]} 41. h7 {[%emt 0:03:27]} Bxc2+ {[%emt 0:00:27]} 42. Kxc2 {[%emt 0:01:39] White mates.} Rd2+ {[%emt 0:01:01]} 43. Kb3 {[%emt 0:01:53]} Qe4 {[%emt 0:01:11]} 44. Qb6+ {[%emt 0:00:08]} ({Worse is} 44. h8=R Qc2+ 45. Kb4 Qxb2+ 46. Ka4 Qc2+ (46... Rd4+ 47. Qxd4+ Qxd4+ 48. Kb3 $14) 47. Kb4 (47. Ka5 Rd5+ 48. Kb6 Qc7+ 49. Ka7 b6+ 50. Ka8 Qc6+ 51. Ka7 Qc7+ 52. Ka8 Qc6+ 53. Kb8 Qc7+ 54. Ka8 $11) 47... Qb2+ 48. Ka4 Qc2+ (48... Rd4+ 49. Qxd4+ Qxd4+ 50. Kb3 $11) 49. Ka5 Rd5+ 50. Kb6 Qc7+ 51. Ka7 b6+ 52. Ka8 Qc6+ 53. Kb8 Qc7+ 54. Ka8 Qc6+ 55. Kb8 Qc7+ 56. Ka8 $11) 44... Ke7 {[%emt 0:00:25]} 45. Qb4+ {[%emt 0:00:09] Weighted Error Value: White=0.19 (very precise) /Black=0.51.  Loses game:     	---       	Black=1      Missed win:     	White=1     	---        Mistake:       	White=1     	Black=4      Inaccurate:     	---       	Black=4      OK:         	White=10    	Black=11     Best:        	White=4     	Black=4      Strong:       	---       	Black=1} 1-0

[Event "1000GM Summer GM-I 2024"]
[Site "San Jose"]
[Date "2024.07.06"]
[Round "6.5"]
[White "Sivakumar, Shaaketh"]
[Black "Martinez, Martin"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2369"]
[BlackElo "2390"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2024.07.03"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,70,35,-10,-20,-25,-14,-26,0,-53,-40,-106,-95,-102,-108,-88,-91,-74,-29,-50,-34,-130,-119,-150,-165,-150,-110,-160,-172,-217,-204,-296,-271,-325,-325,-369,-380,-345,-313,-595,-551,-614,-589,-633,-643,-606,-578,-702,-679,-983,-982,-1044,-1022,-957,-701,-1915,-1652,-1833,-1020,-2206,-1613,-1613,-1566]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:10:11]} 2. Nf3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:45]} 3. Bb5 {[%emt 0:00:51]} g6 {[%emt 0:00:40]} 4. O-O {[%emt 0:00:16]} Bg7 {[%emt 0:00:11]} 5. c3 {[%emt 0:00:22]} e5 {[%emt 0:02:33]} 6. b4 {[%emt 0:06:59]} cxb4 {[%emt 0:01:12]} 7. d4 {[%emt 0:04:05]} exd4 $1 {[%emt 0:00:04]} 8. cxd4 {[%emt 0:01:38]} (8. Bg5 Qb6 9. Bxc6 dxc6 10. cxd4 Nf6 $17) 8... Qb6 {[%emt 0:02:19] Black has an edge.} 9. Bc4 {[%emt 0:03:08]} (9. Bxc6 $1 $11 dxc6 10. Nbd2) 9... Nge7 $15 {[%emt 0:06:38][%cal Rc6d4,Bg8e7,Be7f5,Bf5d4,Bd4f3][%mdl 32]} 10. e5 {[%emt 0:01:48]} (10. Be3 $15) 10... O-O $17 {[%emt 0:01:10][%cal Od7d6]} 11. Bf4 {[%emt 0:07:40]} d5 {[%emt 0:04:32]} 12. exd6 {[%emt 0:04:00]} Nf5 {[%emt 0:00:18][%cal Rc6d4]} 13. Nbd2 {[%emt 0:08:01]} Nfxd4 {[%emt 0:02:16]} 14. Rc1 {[%emt 0:02:04]} Bf5 {[%emt 0:04:19]} 15. Nb3 {[%emt 0:03:21] [#]} ({White should try} 15. Re1 $15) 15... Nxf3+ $1 {[%emt 0:06:55]} 16. Qxf3 {[%emt 0:07:23]} Ne5 {[%emt 0:00:16]} 17. Qg3 {[%emt 0:04:03]} Rfe8 {[%emt 0:05:05]} (17... Qxd6 18. Rfd1 $15) 18. Rfd1 {[%emt 0:03:51]} ({White should play} 18. Bd5) 18... Nxc4 {[%emt 0:00:20]} 19. Rxc4 {[%emt 0:00:09] [#]} Qa6 $1 {[%emt 0:00:18][%csl LRa2,LRc4]} 20. Rc5 {[%emt 0:02:06]} (20. Nd2 {was necessary.}) 20... Qe2 {[%emt 0:00:48]} 21. Rcc1 {[%emt 0:02:01]} Bb2 {[%emt 0:05:00] A strong pair of Bishops. White is weak on the light squares} ({Don't play} 21... Qxa2 22. Bg5 (22. d7 $2 Red8 $19) 22... a5 23. h3 (23. d7 $2 Bxd7 24. Rxd7 a4 $19)) 22. h3 {[%emt 0:02:57]} ({Don't blunder} 22. d7 $2 Bxc1 (22... Bxd7 $2 23. h4 $19) 23. dxe8=Q+ Rxe8 $19) (22. Rd2 $2 {gets mated.} Qe1+ 23. Rxe1 Rxe1#) 22... Bxc1 {[%emt 0:00:38]} 23. Rxc1 {[%emt 0:00:03]} Rac8 {[%emt 0:00:35]} 24. Rc5 $2 {[%emt 0:02:09]} (24. Ra1 {was worth a try.}) 24... Rxc5 $19 {[%emt 0:03:46] Black is clearly winning.} 25. Nxc5 {[%emt 0:00:10]} b6 {[%emt 0:01:26]} 26. Nb3 {[%emt 0:00:33]} Qxa2 {[%emt 0:00:59]} 27. Kh2 {[%emt 0:00:23]} Qb2 {[%emt 0:00:21]} 28. Nd2 {[%emt 0:01:07]} Qc3 {[%emt 0:00:42]} 29. Nf3 {[%emt 0:01:12]} b3 {[%emt 0:00:31] And now ...b2 would win.} 30. Bd2 {[%emt 0:00:31]} Qd3 {[%emt 0:00:20] Hoping for ...b2.} 31. Bc1 {[%emt 0:00:15]} Qc2 {[%emt 0:01:08]} 32. Nd4 {[%emt 0:00:09]} Qxc1 {[%emt 0:06:40]} 33. Nxf5 {[%emt 0:01:01]} Re1 {[%emt 0:01:03][%csl Gc1][%cal Re1h1]} 34. Qg4 {[%emt 0:01:16]} Rh1+ {[%emt 0:00:43]} 35. Kg3 {[%emt 0:00:01]} Qc3+ {[%emt 0:00:35] Weighted Error Value: White=0.68/Black=0.08 (flawless) .  Mistake:       	White=6     	---        Inaccurate:     	White=1     	Black=2      OK:         	White=4     	Black=10     Best:        	White=2     	Black=3      Strong:       	---       	Black=1} 0-1

