[Event "1000GM Memorial Day GM Schev 2023"]
[Site "New York"]
[Date "2023.05.26"]
[Round "1.1"]
[White "Kaliksteyn, Alexander"]
[Black "Sturt, Raven"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2373"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2023.05.23"]
[EventType "schev"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,87,0,0,0,-8,0,-7,-6,-79,-78,-64,-74,-81,-81,-97,-106,-124,-115,-761,0,-90,0,-112,-97,-105,-93,-103,-79,-79,-81,-88,-93,-116,-116,-116,-116,-116,-117,-188,-117,-205,-116,-114,-98,-116,-116,-137,-116,-116,-109,-114,-114,-114,-86,-98,0,0,68,68,60,68,167,170,761,0,0,0]} 1. c4 {[%emt 0:02:40]} f5 {[%emt 0:00:06]} 2. g3 {[%emt 0:02:30]} Nf6 {[%emt 0:00:13]} 3. Bg2 {[%emt 0:00:10]} g6 {[%emt 0:00:23]} 4. Nc3 {[%emt 0:01:31]} Bg7 {[%emt 0:00:11]} 5. e3 {[%emt 0:00:15]} O-O {[%emt 0:01:55]} 6. Nge2 {[%emt 0:00:21]} e5 {[%emt 0:01:23]} 7. O-O {[%emt 0:00:44]} d6 {[%emt 0:03:00]} 8. d3 {[%emt 0:01:23]} a5 {[%emt 0:00:35]} 9. Rb1 {[%emt 0:02:46]} c6 {[%emt 0:04:52]} 10. a3 {[%emt 0:03:26]} Be6 {[%emt 1:22:52]} 11. b4 axb4 12. axb4 Nbd7 {was the old line (12...d5). A21: English Opening: 1...e5 2 Nc3.} 13. Bd2 d5 {[#]} 14. cxd5 $146 ({Predecessor:} 14. c5 Bf7 15. Ra1 Rxa1 16. Qxa1 d4 17. exd4 exd4 18. Nxd4 Ne5 19. Nce2 Nxd3 20. Qa7 {1-0 Olsson,L (2296)-Madebrink,L (2259) SWE-chT 1112 2011 (6)}) 14... cxd5 (14... Bxd5 15. Nxd5 cxd5 16. Qb3 $14) 15. f4 (15. Na4 $11 {remains equal.}) 15... e4 $17 16. Nd4 Bf7 17. Ncb5 Nb6 18. Qb3 exd3 19. Qxd3 Nc4 {[%emt 0:00:00]} 20. Qb3 $2 {[%emt 1:24:44][%mdl 8192] [#]} Nb6 $2 {[%emt 0:05:00]} (20... Nxd2 $19 {has better winning chances.} 21. Qc3 Nxf1 22. Bxf1 Qe7) 21. Qd3 {[%emt 0:00:00]} Nc4 {[%emt 0:00:00]} (21... Ne4 $17 22. Bc3 Nc4) 22. Ra1 {[%emt 0:00:00]} (22. Qb3 $1 $11 {was the only way to keep the balance.}) 22... Rc8 {[%emt 0:00:00]} 23. Na3 {[%emt 0:00:00]} Qb6 {[%emt 0:00:00]} 24. Nac2 {[%emt 0:00:00]} Nxd2 {[%emt 0:00:00]} 25. Qxd2 {[%emt 0:00:00]} Ne4 $36 {[%emt 0:00:00][%mdl 2048] Black has strong initiative.} 26. Qd3 {[%emt 0:00:00]} Rc3 {[%emt 0:00:00]} 27. Bxe4 {[%emt 0:00:00]} Rxd3 {[%emt 0:00:00]} 28. Bxd3 {[%emt 0:00:00]} Bxd4 {[%emt 0:00:00]} 29. Nxd4 {[%emt 0:00:00]} Qxb4 {[%emt 0:00:00]} 30. Kf2 {[%emt 0:00:00]} (30. Ra2 $17) 30... Re8 {[%emt 0:00:00]} (30... Qd2+ $19 31. Be2 Re8) 31. Rfd1 {[%emt 0:00:00]} (31. Ra2 $17) 31... Qe7 {[%emt 0:00:00]} (31... Qb2+ $19 32. Be2 Qc3) 32. Re1 {[%emt 0:00:00]} Rc8 {[%emt 0:00:00]} 33. Re2 {[%emt 0:00:00]} Be8 {[%emt 0:00:00]} 34. Rb2 {[%emt 0:00:26]} Bc6 {[%emt 0:00:00]} 35. Rb3 {[%emt 0:01:28]} Qc5 {[%emt 0:00:00]} 36. Ne6 {[%emt 0:00:22] [#]} Qd6 {[%emt 0:00:00]} 37. Nd4 {[%emt 0:00:02]} Kf7 {[%emt 0:00:00]} 38. Ra7 {[%emt 0:00:35]} Kf6 {[%emt 0:00:00]} (38... Rb8 $17 39. h4 Kg8) 39. Rb6 $1 $11 {[%emt 0:00:46] aiming for Raxb7.} Ke7 {[%emt 0:00:00]} ({Better is} 39... Qc7 $1 $11 40. Rxc6+ bxc6 41. Rxc7 Rxc7) 40. Nxc6+ $1 $14 {[%emt 0:02:18]} Rxc6 {[%emt 0:00:00]} 41. Rbxb7+ {[%emt 0:00:08]} Kf6 {[%emt 0:00:00]} (41... Ke6 $14) 42. Bb5 $18 {[%emt 0:01:28]} Qc5 {[%emt 0:00:00]} (42... Qb4) 43. Bxc6 $2 {[%emt 0:01:38]} ({Only move:} 43. Rf7+ $18 Ke6 44. Rae7+ (44. Bxc6 Qc2+ 45. Kg1 Qd1+ 46. Kg2 Qe2+ 47. Kg1 Qe1+ 48. Kg2 Qe2+ 49. Kh3 Qh5+ 50. Kg2 Qe2+ $11) 44... Kd6 45. Rd7+ (45. Bxc6 Qc2+ 46. Kg1 Qd1+ 47. Kg2 Qe2+ 48. Kh3 Qh5+ 49. Kg2 Qe2+ 50. Kg1 Qe1+ 51. Kg2 Qe2+ $11) 45... Ke6 46. Rfe7+ (46. Bxc6 Qc2+ 47. Kg1 Qd1+ 48. Kg2 Qe2+ 49. Kh3 Qh5+ 50. Kg2 Qe2+ 51. Kg1 Qe1+ 52. Kg2 Qe2+ $11) 46... Qxe7 47. Rxe7+ (47. Bxc6 $2 Qc5 $19) 47... Kxe7 48. Bxc6) 43... Qc2+ $11 {[%emt 0:00:00]} 44. Kf3 {[%emt 0:00:08] Both players deserved the win here.   Weighted Error Value: White=0.58/Black=0.38} 1/2-1/2

[Event "1000GM Memorial Day GM Schev 2023"]
[Site "New York"]
[Date "2023.05.26"]
[Round "1.2"]
[White "Jacobson, Aaron"]
[Black "Lenderman, Aleksandr"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2280"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2023.05.23"]
[EventType "schev"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,121,29,22,36,30,25,28,22,17,39,47,55,38,51,25,27,18,49,70,58,58,58,52,62,60,46,62,103,54,54,38,37,25,30,24,51,65,60,50,146,110,154,129,118,114,104,97,126,116,198,52,51,35,58,36,106,117,138,89,89,89,70,81,85,16,27,16,28,13,56,11,11,9,12,19,80,80,97,0,0,-8,0,0,0,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,0]} 1. e4 {[%emt 0:07:42]} c5 {[%emt 0:00:11]} 2. Nf3 {[%emt 0:00:07][%cal Bg1f3,Bf3d4,Bd4b5][%mdl 32]} Nc6 {[%emt 0:00:12]} 3. d4 {[%emt 0:03:31]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:03]} e5 {[%emt 0:00:10]} 5. Nb5 {[%emt 0:00:05]} d6 {[%emt 0:00:08]} 6. c4 {[%emt 0:00:19]} g6 {[%emt 0:01:57] 6...Be6 is a critical line. B32: Sicilian: Löwenthal and Kalashnikov Variations.} 7. N1c3 {[%emt 0:00:53] And now Nd5 would win.} a6 {[%emt 0:00:23]} 8. Na3 {[%emt 0:00:05]} Be6 {[%emt 0:01:04] White has an edge.} 9. Be3 {[%emt 0:01:13]} Nf6 {[%emt 0:02:06]} 10. f3 {[%emt 0:00:50] Repels Ng4} Bg7 {[%emt 0:03:02]} 11. Qd2 {[%emt 0:05:08]} O-O {[%emt 0:04:11]} 12. Nc2 {[%emt 0:10:42]} Rc8 {[%emt 0:03:07] [#]} 13. O-O-O $146 {[%emt 0:09:00]} ({Predecessor:} 13. Rd1 Ne7 14. Qxd6 Qxd6 15. Rxd6 Bxc4 16. Bxc4 Rxc4 17. Ke2 Nc8 18. Rd3 Re8 19. Rhd1 {1-0 Michalik,P (2566)-Hujbert,F (2399) SVK-chT 2122 2021 (8.1)}) 13... Nd4 {[%emt 0:05:30]} 14. Nxd4 {[%emt 0:01:21]} exd4 {[%emt 0:00:23]} 15. Bxd4 {[%emt 0:00:10]} ({Weaker is} 15. Qxd4 Nd5 $17) 15... Bxc4 {[%emt 0:00:13]} 16. Bxc4 {[%emt 0:09:15]} Rxc4 {[%emt 0:00:04]} 17. Qd3 {[%emt 0:01:33]} b5 {[%emt 0:07:56]} 18. Kb1 {[%emt 0:01:25]} Qa5 {[%emt 0:00:25]} 19. Ne2 {[%emt 0:19:08]} ({Better is} 19. Bxf6 $16 Bxf6 20. Nd5) 19... Rfc8 $14 {[%emt 0:01:54]} 20. Rc1 {[%emt 0:01:06]} (20. Qd2 {simplifies} Qxd2 21. Rxd2 Bh6 22. Rd3) 20... Rxc1+ {[%emt 0:03:34]} 21. Rxc1 {[%emt 0:00:27]} Rxc1+ {[%emt 0:00:11]} 22. Nxc1 {[%emt 0:00:06]} Qc7 {[%emt 0:01:18]} 23. Qc3 {[%emt 0:02:47]} Qxc3 {[%emt 0:00:06]} 24. Bxc3 {[%emt 0:00:53][%mdl 4096] Endgame KBN-KBN} Ne8 {[%emt 0:00:03]} (24... Kf8 $14) 25. Kc2 {[%emt 0:02:38]} Nc7 {[%emt 0:00:22]} 26. Kb3 {[%emt 0:05:39]} Bh6 {[%emt 0:02:30]} 27. Nd3 {[%emt 0:01:26]} Be3 {[%emt 0:00:40]} 28. Ba5 {[%emt 0:01:42]} Ne6 {[%emt 0:00:25]} 29. Nb4 $1 {[%emt 0:01:39]} Bg1 {[%emt 0:06:15]} (29... Nc5+ $16 30. Kc2 Bf4) 30. h4 {[%emt 0:06:27]} (30. Nxa6 $18 {Black must now prevent Nc7.} Nd4+ 31. Kc3) 30... Nf4 {[%emt 0:02:57]} 31. g3 {[%emt 0:00:42]} (31. Nxa6 Nxg2 32. Bd8 h5 $11) 31... Ne2 {[%emt 0:00:26]} 32. Nxa6 {[%emt 0:00:30]} Nd4+ {[%emt 0:00:31] [#]} (32... Bf2 $1 $14) 33. Kc3 $1 $16 {[%emt 0:03:39]} ({Don't play} 33. Kb4 Bf2 34. Kc3 Nxf3 $15) 33... Nxf3 {[%emt 0:00:14]} 34. Nc7 {[%emt 0:00:32]} (34. Bc7 $142) 34... Bf2 {[%emt 0:00:25] [#] Threatens to win with ...Be1+.} 35. Kd3 $1 {[%emt 0:01:07] Strongly threatening Ke2.} Bxg3 {[%emt 0:00:41]} 36. Nxb5 {[%emt 0:00:04]} Bxh4 {[%emt 0:00:08]} 37. Bc7 {[%emt 0:00:29]} (37. a4 $16) 37... Bf6 $11 {[%emt 0:01:42]} 38. b3 {[%emt 0:02:11][%mdl 1024] White has compensation.} Ne5+ {[%emt 0:00:15]} 39. Ke2 {[%emt 0:00:10][%cal Oa2a4] a4! would be deadly.} Nc6 {[%emt 0:00:01]} 40. a4 {[%emt 0:00:41][%cal Oa4a5]} Kf8 {[%emt 0:01:39]} 41. a5 {[%emt 0:00:48]} Ke8 {[%emt 0:00:05]} 42. a6 {[%emt 0:00:44]} ({Much weaker is} 42. Nxd6+ Kd7 43. Nb5 Nb4 $11) 42... Nd4+ {[%emt 0:00:58]} (42... Kd7 $11 {keeps the balance.}) 43. Nxd4 $16 {[%emt 0:00:13]} Bxd4 {[%emt 0:00:01]} 44. Bxd6 {[%emt 0:02:47] KB-KB} (44. Bb8 $1 $16) 44... Kd7 $11 {[%emt 0:00:11] The position is equal.} 45. Be5 {[%emt 0:00:03][%mdl 64] Deflection, Promotion} Ba7 {[%emt 0:01:04]} (45... Bxe5 $2 46. a7 $18) 46. Kf3 {[%emt 0:00:55]} Kc6 {[%emt 0:02:18]} 47. Kg4 {[%emt 0:00:18]} h6 {[%emt 0:00:22]} 48. Bf4 {[%emt 0:00:36]} Kb5 {[%emt 0:00:25]} 49. Bxh6 {[%emt 0:00:07]} Kxa6 {[%emt 0:00:04]} 50. e5 {[%emt 0:01:01]} Bc5 {[%emt 0:00:53]} 51. Bd2 {[%emt 0:00:24]} Be7 {[%emt 0:00:48]} 52. Bg5 {[%emt 0:00:22]} Bb4 {[%emt 0:00:01]} 53. Be3 {[%emt 0:00:40]} Bc3 {[%emt 0:01:05]} 54. e6 {[%emt 0:00:21]} fxe6 {[%emt 0:00:04]} 55. Kg5 {[%emt 0:00:03]} Kb5 {[%emt 0:00:04]} 56. Kxg6 {[%emt 0:00:04]} Kb4 {[%emt 0:00:02]} 57. Kf7 {[%emt 0:00:09]} e5 {[%emt 0:00:03]} 58. Ke6 {[%emt 0:00:17]} Kxb3 {[%emt 0:00:03]} 59. Kd5 {[%emt 0:00:05]} Bd4 {[%emt 0:00:02]} 60. Bxd4 {[%emt 0:00:04]} exd4 {[%emt 0:00:02]} 61. Kxd4 {[%emt 0:00:58] Weighted Error Value: White=0.16 (very precise) /Black=0.13 (very precise)} 1/2-1/2

[Event "1000GM Memorial Day GM Schev 2023"]
[Site "New York"]
[Date "2023.05.27"]
[Round "2.1"]
[White "Sturt, Raven"]
[Black "Kaliksteyn, Alexander"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2470"]
[BlackElo "2373"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2023.05.23"]
[EventType "schev"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,67,0,-16,-14,-16,-19,-14,-23,-20,-21,-24,0,-5,8,8,21,15,37,17,10,-1,0,0,0,-70,-89,-104,0,0,0,0,0,0,0,0,0,0,0,0,0,0,860,860,822,795,912,891,1514,1534,4766,4766]} 1. f4 {[%emt 0:00:02]} c5 {[%emt 0:05:42]} 2. Nf3 {[%emt 0:00:14]} Nf6 {[%emt 0:00:30]} 3. g3 {[%emt 0:00:12]} g6 {[%emt 0:00:11]} 4. Bg2 {[%emt 0:00:04]} Bg7 {[%emt 0:00:06]} 5. O-O {[%emt 0:00:08]} O-O {[%emt 0:00:58]} 6. d3 {[%emt 0:00:35]} Nc6 {[%emt 0:00:55]} 7. e4 {[%emt 0:00:14]} d6 {[%emt 0:00:08]} 8. h3 {[%emt 0:05:52]} Rb8 {[%emt 0:01:23]} 9. a4 {[%emt 0:09:30]} a6 {[%emt 0:00:29]} 10. Nc3 {[%emt 0:07:18] is the legacy move (10.g4).} b5 {[%emt 0:02:16] B25: Closed Sicilian: 3 g3, lines without early Be3.} 11. axb5 {[%emt 0:00:06]} axb5 {[%emt 0:00:02]} 12. Be3 {[%emt 0:00:33]} Nd7 {[%emt 0:10:13] The position is equal.} 13. Rb1 {[%emt 0:08:09]} Nd4 {[%emt 0:09:11]} 14. Ne2 {[%emt 0:02:47][%cal Re2d4]} Nxe2+ {[%emt 0:02:03]} 15. Qxe2 {[%emt 0:00:07] [#]} Bb7 $146 {[%emt 0:00:06]} ({Predecessor:} 15... b4 16. g4 Nb6 17. b3 Ra8 18. Nd2 Ra2 19. Nc4 Bd7 20. Rfd1 Qc7 21. Qf2 Bc6 {0-1 Strobel,F (2042)-Pammer,A (2111) Niederoesterreich Landesliga 0910 2009 (10)}) 16. b4 {[%emt 0:03:07]} c4 {[%emt 0:11:10]} 17. Nd4 {[%emt 0:08:43]} cxd3 {[%emt 0:17:39]} 18. Qxd3 {[%emt 0:06:20]} Nf6 {[%emt 0:06:42]} 19. Nxb5 {[%emt 0:03:00] [#]} ({Much worse is} 19. Qxb5 Nxe4 20. Qd3 Nxg3 $17) 19... Bxe4 $1 {[%emt 0:11:46]} 20. Bxe4 {[%emt 0:10:06]} Nxe4 {[%emt 0:00:03]} 21. Ba7 {[%emt 0:01:22] [#]} ({Better is} 21. Na7 $11 Nxg3 22. Rf3) 21... Rxb5 $1 $15 {[%emt 0:08:30][%mdl 64] Decoy} 22. Qxb5 {[%emt 0:00:05]} Nc3 {[%emt 0:01:16]} (22... Nxg3 $17 {[%cal Od8a8] aiming for ...Qa8!} 23. Rf3 Qa8 24. Rxg3 Qxa7+ 25. Kh1 Rc8) 23. Qc6 $11 {[%emt 0:00:46] Rb3 would be deadly.} Nxb1 {[%emt 0:01:11]} 24. Rxb1 {[%emt 0:00:06]} e5 {[%emt 0:00:16]} 25. b5 {[%emt 0:08:04]} exf4 {[%emt 0:00:09]} 26. gxf4 {[%emt 0:00:36]} Qf6 {[%emt 0:03:27]} 27. Be3 {[%emt 0:03:30] Black must now prevent b6.} Qf5 {[%emt 0:01:31]} 28. b6 {[%emt 0:03:09] Hoping for b7.} Qxh3 {[%emt 0:01:23]} 29. Rb3 {[%emt 0:00:38] Threatens to win with b7. Active counter play!} Bd4 $2 {[%emt 0:03:01][%mdl 8192]} 30. Bxd4 $18 {[%emt 0:00:57][%mdl 64] Discovered Attack. White is clearly winning.} Qg4+ {[%emt 0:00:03]} 31. Kh1 {[%emt 0:19:40]} Qd1+ {[%emt 0:02:06]} 32. Bg1 {[%emt 0:00:00]} d5 {[%emt 0:00:05]} 33. Qc3 {[%emt 0:00:00]} Re8 {[%emt 0:00:41]} 34. b7 {[%emt 0:01:30] Weighted Error Value: White=0.08 (flawless) /Black=0.15 (very precise)} 1-0

[Event "1000GM Memorial Day GM Schev 2023"]
[Site "New York"]
[Date "2023.05.27"]
[Round "2.2"]
[White "Lenderman, Aleksandr"]
[Black "Jacobson, Aaron"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2572"]
[BlackElo "2280"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2023.05.23"]
[EventType "schev"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,35,37,25,32,29,28,37,44,38,27,26,26,60,54,37,35,42,1,5,0,45,17,58,7,10,0,0,-2]} 1. Nf3 {[%emt 0:00:02]} d5 {[%emt 0:00:58]} 2. g3 {[%emt 0:00:05]} g6 {[%emt 0:03:36]} 3. Bg2 {[%emt 0:00:06]} Bg7 {[%emt 0:00:03]} 4. d4 {[%emt 0:00:04]} Nh6 {[%emt 0:00:40]} 5. O-O {[%emt 0:00:31]} Nf5 {[%emt 0:00:05]} 6. c3 {[%emt 0:00:35][%cal Bc2c3,Bc3c4][%mdl 32] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nd7 {[%emt 0:01:00][%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32]} 7. Nbd2 {[%emt 0:01:56]} Nd6 {[%emt 0:00:48]} 8. Re1 {[%emt 0:03:24] White is slightly better.} Nf6 {[%emt 0:03:20] [#]} 9. c4 $1 {[%emt 0:00:06]} c6 {[%emt 0:02:38]} 10. b3 {[%emt 0:00:31] [#]} Be6 $146 {[%emt 0:11:14][%cal Rd5c4]} ({Predecessor:} 10... O-O 11. Bb2 a5 12. a4 Bf5 13. Rc1 Re8 14. Ne5 h5 15. e3 g5 16. c5 Nde4 {1-0 Meier,G (2657)-Bellaiche,A (2499) Biel MTO op 49th 2016 (3)}) 11. Bb2 {[%emt 0:01:47]} O-O {[%emt 0:01:48]} 12. Rc1 {[%emt 0:02:11]} Nfe4 {[%emt 0:01:05]} 13. Ne5 {[%emt 0:05:26]} (13. e3 {simplifies} Nxd2 14. Nxd2 Qd7 15. Nf3) 13... Qa5 {[%emt 0:25:40][%csl LRa2,LRd2]} 14. Nxe4 {[%emt 0:02:04]} Nxe4 {[%emt 0:08:53]} 15. a3 {[%emt 0:09:09]} Rfc8 {[%emt 0:00:49]} 16. b4 {[%emt 0:02:17]} ({White should try} 16. Nd3 $14) 16... Qd8 $11 {[%emt 0:01:43]} 17. Qc2 {[%emt 0:05:27]} Nd6 {[%emt 0:03:36]} 18. c5 {[%emt 0:00:53] Weighted Error Value: White=0.14 (very precise) /Black=0.11 (very precise)} 1/2-1/2

[Event "1000GM Memorial Day GM Schev 2023"]
[Site "New York"]
[Date "2023.05.27"]
[Round "3.1"]
[White "Sturt, Raven"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2470"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2023.05.23"]
[EventType "schev"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,133,-7,-16,-14,-12,-10,-8,-14,5,9,9,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-5,0,0,21,23,34,-32,17,-14,18,31,19,12,24,10,10,0,15,0,0,0,0,0,0,0,0,0,0,0,0,7,58,0,18,18,34,7,7,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,12,0,8,8,25,22,25,25,25,25,25,26,103,83,294,285,349,347,343,333,337,329,299,313,2345,2270,29964,29964,29997,29998,29998,29999]} 1. f4 {[%emt 0:00:01]} d5 {[%emt 0:07:56]} 2. Nf3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:20]} 3. d3 {[%emt 0:00:26]} e6 {[%emt 0:07:30]} 4. g3 {[%emt 0:00:59]} b5 {[%emt 0:03:39]} 5. Bg2 {[%emt 0:00:51]} Bb7 {[%emt 0:01:03]} 6. O-O {[%emt 0:00:29] A03: Bird's Opening with 1...d5.} Bc5+ {[%emt 0:02:41]} 7. e3 {[%emt 0:03:54]} O-O {[%emt 0:00:50]} 8. Qe2 {[%emt 0:01:06] [#] The position is equal.} Bb6 $146 {[%emt 0:02:28]} ({Predecessor:} 8... a5 9. Nbd2 a4 10. d4 Bb6 11. Qxb5 c6 12. Qe2 c5 13. Re1 Nc6 14. c3 Qc7 {0-1 Vaassen,J (2204)-Misericordia,A (2156) RA-2016-0-00439}) 9. a4 {[%emt 0:08:23]} a6 {[%emt 0:05:07]} 10. b4 {[%emt 0:06:07]} a5 {[%emt 0:16:45]} 11. axb5 {[%emt 0:00:30] With the idea Bd2.} axb4 {[%emt 0:00:17]} 12. Rxa8 {[%emt 0:00:04]} Bxa8 {[%emt 0:00:03]} 13. Bb2 {[%emt 0:01:53] Repels d4} c6 {[%emt 0:07:24]} 14. Nbd2 {[%emt 0:07:52][%cal Bb1d2,Bd2f3,Bf3d4][%mdl 32]} cxb5 {[%emt 0:05:55]} 15. Nd4 {[%emt 0:00:57]} Nc6 {[%emt 0:02:19]} 16. N2f3 {[%emt 0:01:51]} Qb8 {[%emt 0:13:00]} 17. Rb1 {[%emt 0:10:30]} Re8 {[%emt 0:07:04]} 18. Nxc6 {[%emt 0:06:10]} Bxc6 {[%emt 0:00:07]} 19. Be5 {[%emt 0:00:22]} Qa7 {[%emt 0:02:07]} 20. Bd4 {[%emt 0:05:18]} Bxd4 {[%emt 0:01:50]} 21. Nxd4 {[%emt 0:00:04]} Bd7 {[%emt 0:00:17]} 22. Rxb4 {[%emt 0:05:10]} e5 {[%emt 0:01:33]} 23. fxe5 {[%emt 0:00:08]} (23. Nxb5 $2 Qa5 24. Nd6 Qxb4 $19) 23... Rxe5 {[%emt 0:00:06]} 24. Bf3 $1 {[%emt 0:00:07] Inhibits Ng4.} (24. Nxb5 $2 Qa5 25. Rb1 Bxb5 $19) 24... h5 {[%emt 0:02:00]} 25. Kg2 {[%emt 0:08:17]} (25. Nxb5 $2 Qa5 26. Qe1 Bxb5 $19) 25... g5 {[%emt 0:04:52] White must now prevent ...g4.} 26. Qf2 {[%emt 0:02:16]} ({Of course not} 26. Bxh5 Qa3 27. Nf3 (27. Nxb5 $2 Qxb4 28. Nd4 g4 $19) (27. Rb1 g4 $17) 27... Re7 $17) 26... Qc5 {[%emt 0:02:01]} (26... Qa1 $5) 27. Rb1 {[%emt 0:00:27]} Qe7 {[%emt 0:01:33]} 28. Re1 {[%emt 0:00:13]} ({Reject} 28. Nxb5 Rxe3 29. Nd4 Qe5 $15) (28. Ra1 $1 $14) 28... b4 {[%emt 0:00:09]} (28... g4 $15 29. Bd1 b4) 29. Bd1 {[%emt 0:00:55]} Ng4 {[%emt 0:02:07]} 30. Bxg4 {[%emt 0:00:19]} hxg4 {[%emt 0:00:01]} 31. Qd2 {[%emt 0:00:52]} Kh7 {[%emt 0:01:08]} 32. Re2 {[%emt 0:04:40]} Kg6 {[%emt 0:00:17]} 33. Qe1 {[%emt 0:00:08]} (33. Kf2 {seems wilder.} Qd6 34. Re1 Re8 35. Rb1) 33... Kh7 {[%emt 0:01:17]} 34. Qc1 {[%emt 0:00:35]} Kg6 {[%emt 0:00:06]} 35. Kf2 {[%emt 0:00:19]} Qf6+ {[%emt 0:00:27]} 36. Ke1 {[%emt 0:00:05]} Qb6 {[%emt 0:00:32]} 37. Qb2 {[%emt 0:00:26]} Qd6 {[%emt 0:00:47]} 38. Kd2 {[%emt 0:01:11]} Re8 {[%emt 0:00:21]} 39. Qa2 {[%emt 0:04:31]} Qc5 {[%emt 0:00:15]} 40. Qa6+ {[%emt 0:01:06]} Kg7 {[%emt 0:00:41]} (40... f6 $11) 41. Ke1 {[%emt 0:00:49]} (41. Rf2 $14 Be6 42. Kd1) 41... Qc3+ {[%emt 0:00:40]} 42. Kf2 {[%emt 0:00:30]} Qc5 {[%emt 0:01:20] Prevents Qd6.} 43. Qa1 {[%emt 0:02:25] White threatens Ne6+ and mate.} Kg6 {[%emt 0:00:14]} (43... Kh6 {is interesting.} 44. Nb3 Qb6 45. Re1 Kg6) 44. Kg2 {[%emt 0:02:45]} Qb6 {[%emt 0:00:17]} 45. Kf2 {[%emt 0:00:41][%cal Bg2f2,Bf2e1,Be1d2,Bd2c1][%mdl 32]} Qf6+ {[%emt 0:00:06]} 46. Ke1 {[%emt 0:00:20]} Qb6 {[%emt 0:00:05]} 47. Kd2 {[%emt 0:00:07]} Qc5 {[%emt 0:00:38]} 48. Nb3 {[%emt 0:00:10]} Qb6 {[%emt 0:00:44]} 49. Qd4 {[%emt 0:02:36]} Qxd4 {[%emt 0:01:04]} 50. Nxd4 $11 {[%emt 0:00:17][%mdl 4096] Endgame KRB-KRN} Rh8 {[%emt 0:00:30]} 51. Kc1 {[%emt 0:00:36]} Ba4 {[%emt 0:00:54]} 52. Rf2 {[%emt 0:01:19]} Bd7 {[%emt 0:00:30]} 53. Kb2 {[%emt 0:00:18]} Re8 {[%emt 0:00:05]} 54. Kb3 {[%emt 0:00:06]} Rb8 {[%emt 0:00:55]} 55. Rf1 {[%emt 0:00:30]} Rh8 {[%emt 0:00:15]} 56. Rh1 {[%emt 0:01:44]} Rb8 {[%emt 0:00:00]} 57. Ra1 {[%emt 0:00:11]} Rh8 {[%emt 0:00:16] [#]} (57... Kf6 $11) 58. Ra6+ $1 $16 {[%emt 0:07:51]} (58. Kxb4 Rxh2 59. Kc5 Rg2 $11) 58... f6 $2 {[%emt 0:00:43] [#] This move loses the game for Black.} (58... Be6 $16) 59. Ra7 $1 $18 {[%emt 0:00:31]} ({Don't do} 59. Kxb4 $6 Rxh2 60. Kc5 Rh3 $16) 59... Bf5 {[%emt 0:01:12]} 60. Kxb4 {[%emt 0:00:13]} Rxh2 {[%emt 0:00:15]} 61. Kc5 {[%emt 0:00:08]} Rg2 {[%emt 0:00:49][%cal Of5d3]} 62. Kxd5 {[%emt 0:00:12]} Bc8 {[%emt 0:00:26]} 63. Rc7 {[%emt 0:02:23]} Ba6 $2 {[%emt 0:00:01]} (63... Rxg3 64. Rxc8 Rxe3) 64. Ke6 {[%emt 0:00:38] White wants to mate with Nf5.} Rxg3 {[%emt 0:00:48]} 65. Nf5 {[%emt 0:00:04] White mates.} Rh3 {[%emt 0:00:20]} 66. Rg7+ {[%emt 0:00:07][%mdl 64] Deflection} Kh5 {[%emt 0:00:05]} 67. Kxf6 {[%emt 0:00:04] Weighted Error Value: White=0.06 (flawless) /Black=0.13 (very precise)} 1-0

[Event "1000GM Memorial Day GM Schev 2023"]
[Site "New York"]
[Date "2023.05.27"]
[Round "3.2"]
[White "Lenderman, Aleksandr"]
[Black "Kaliksteyn, Alexander"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "2572"]
[BlackElo "2373"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2023.05.23"]
[EventType "schev"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,121,0,0,12,30,22,24,16,25,27,20,25,32,16,20,17,70,0,10,12,25,25,25,25,25,25,41,17,25,29,128,131,102,25,36,25,50,51,51,34,34,27,35,35,35,26,77,66,75,61,69,10,4,18,12,13,163,122,132,123,123,123,121,122,150,0,0,0,0,0,0,0,0,0,0,0,0,0,37,43,72,23,23,24,56,24,201,220,495,235,235,235,225,218,442,408,670,608,6450,4594,5169,5102,6514,6402,29978,5616,5076,5243,5076,5076,4622,4133,1311,1237]} 1. e4 {[%emt 0:11:33]} c5 {[%emt 0:00:10]} 2. Nf3 {[%emt 0:00:08]} d6 {[%emt 0:00:17]} 3. d4 {[%emt 0:00:14]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:06]} 5. Bd3 {[%emt 0:00:04]} Nc6 {[%emt 0:06:26]} 6. Be3 {[%emt 0:00:14] B55: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3.} e5 {[%emt 0:12:35]} 7. Nxc6 {[%emt 0:04:21]} bxc6 {[%emt 0:00:02]} 8. O-O {[%emt 0:02:24] White has an edge.} Be7 {[%emt 0:03:33]} 9. c4 {[%emt 0:00:21]} O-O {[%emt 0:00:13]} 10. Nc3 {[%emt 0:00:14]} Be6 {[%emt 0:00:54]} 11. Qa4 {[%emt 0:04:21] [#]} Ng4 $146 {[%emt 1:11:38]} ({Predecessor:} 11... Qc7 12. Rac1 Qb7 13. b3 Rfd8 14. Rfd1 a5 15. h3 Nd7 16. Nd5 Bf8 {0-1 Danielyan,V (2295)-Psyk,R (2411) Warsaw Chess op-A 2022 (3)}) 12. Bd2 {[%emt 0:03:43]} Bg5 {[%emt 0:00:00]} (12... Qc7 $11) 13. Qd1 {[%emt 0:04:38]} (13. Bxg5 $14 Qxg5 14. Be2) 13... Rb8 {[%emt 0:00:00]} 14. b3 {[%emt 0:00:43]} Bxd2 {[%emt 0:00:00]} 15. Qxd2 {[%emt 0:00:10]} Qh4 {[%emt 0:00:00][%csl Gg4][%cal Rh4h2]} 16. h3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:00]} 17. Qe3 {[%emt 0:02:14]} Rb7 {[%emt 0:00:00]} 18. Rad1 {[%emt 0:03:43]} Rd7 {[%emt 0:00:00]} 19. Be2 {[%emt 0:05:39]} Nh5 {[%emt 0:00:00] [#]} (19... Rfd8 $11) 20. Bxh5 $1 $16 {[%emt 0:04:19]} Qxh5 {[%emt 0:00:00]} 21. Rd2 {[%emt 0:00:20]} ({White should try} 21. c5 $16) 21... Rfd8 $11 {[%emt 0:00:00]} 22. Rfd1 {[%emt 0:00:40]} g6 {[%emt 0:00:00]} 23. Rd3 {[%emt 0:08:38]} Qh4 {[%emt 0:00:00]} 24. Na4 {[%emt 0:03:26]} Qe7 {[%emt 0:00:00]} 25. c5 {[%emt 0:04:49]} d5 {[%emt 0:00:00]} 26. exd5 {[%emt 0:00:17]} Bxd5 {[%emt 0:00:00]} 27. Nc3 {[%emt 0:00:31]} Qe6 {[%emt 0:00:00]} (27... f6 $11 {remains equal.}) 28. b4 $16 {[%emt 0:02:12]} f5 {[%emt 0:00:00]} 29. a4 {[%emt 0:05:26]} a6 $1 {[%emt 0:00:00]} 30. R3d2 {[%emt 0:03:16]} (30. Nxd5 $14 cxd5 31. b5) 30... f4 $11 {[%emt 0:00:00]} 31. Qe1 {[%emt 0:00:29]} f3 {[%emt 0:00:00]} 32. Nxd5 {[%emt 0:01:29]} Rxd5 {[%emt 0:00:00]} (32... cxd5 $11 {and Black stays safe.} 33. gxf3 Rf8) 33. gxf3 {[%emt 0:01:05]} Rxd2 {[%emt 0:01:42]} 34. Rxd2 {[%emt 0:00:11][%mdl 4096] Endgame KQR-KQR} Rf8 {[%emt 0:00:13] [#]} 35. Kg2 {[%emt 0:02:51]} Rf4 {[%emt 0:00:47][%cal Of4h4]} 36. Rd8+ {[%emt 0:05:53]} Kg7 {[%emt 0:00:17]} 37. Rd6 {[%emt 0:00:51]} (37. Qd2 $16) 37... Qf5 {[%emt 0:00:14]} 38. Qe3 {[%emt 0:04:39]} Qg5+ {[%emt 0:00:21]} 39. Kh2 {[%emt 0:01:24]} Qf5 {[%emt 0:00:02]} 40. Qd2 {[%emt 0:05:27]} Rxf3 {[%emt 0:07:22]} 41. Rd7+ {[%emt 0:00:07]} Kf6 {[%emt 0:00:17]} 42. Qd6+ {[%emt 0:00:11]} Kg5 {[%emt 0:00:10]} 43. Qe7+ {[%emt 0:00:22]} (43. Qxc6 {leads to mate.} Rxf2+) 43... Qf6 {[%emt 0:01:43]} (43... Kh5 $5 44. Qxh7+ Kg5 45. Qe7+ Kh5 46. Qh7+ Kg5 47. Qe7+ Kh5 48. Qh7+ $11) 44. Qxf6+ {[%emt 0:00:21]} Rxf6 $14 {[%emt 0:00:03] KR-KR} 45. Kg2 {[%emt 0:00:50] White is more active.} (45. Kg3 $16) 45... Rf4 $11 {[%emt 0:00:08]} 46. Rb7 {[%emt 0:00:28]} Rc4 {[%emt 0:01:58][%cal Oa6a5]} 47. a5 $1 {[%emt 0:00:22]} ({Don't play} 47. Rxh7 Rxb4 48. Rc7 Rxa4 $11) 47... Kf4 $2 {[%emt 0:01:34]} (47... e4 $11 {and Black is okay.}) 48. Rxh7 $18 {[%emt 0:00:19] Threatening mate with Rh4+.} g5 {[%emt 0:00:09] Prevents Rh4+.} (48... Ke4 49. Rc7 Kd5) 49. Rf7+ {[%emt 0:00:35]} (49. Rh6 $142) 49... Ke4 {[%emt 0:00:11]} 50. Rf6 {[%emt 0:01:15]} Rxb4 {[%emt 0:00:20]} 51. Rxc6 {[%emt 0:00:05]} Rb5 $2 {[%emt 0:00:04]} (51... Kd4 52. Rxa6 Kxc5) 52. Rxa6 {[%emt 0:00:05] Threatens to win with c6.} Rxc5 {[%emt 0:00:04]} (52... Kd5 $142 53. Kf3 Rb3+ 54. Kg4 Kxc5) 53. Ra8 {[%emt 0:00:25] Strongly threatening a6.} Rc3 {[%emt 0:00:38]} 54. a6 {[%emt 0:00:05]} Ra3 {[%emt 0:00:45]} 55. a7 {[%emt 0:00:07] White threatens Kh2 and mate.} Ra1 {[%emt 0:00:36]} 56. Kg3 {[%emt 0:00:26]} Rg1+ {[%emt 0:00:06]} 57. Kh2 {[%emt 0:00:06]} Ra1 {[%emt 0:00:02] White is clearly winning.} 58. Kg2 {[%emt 0:00:19]} Ra3 {[%emt 0:00:46] [#]} 59. f3+ $1 {[%emt 0:00:26][%mdl 512]} Ke3 {[%emt 0:00:07]} 60. Kg3 {[%emt 0:00:06]} Ra4 {[%emt 0:00:20]} 61. Re8 {[%emt 0:00:19] Weighted Error Value: White=0.16 (very precise) /Black=0.38} 1-0

[Event "1000GM Memorial Day GM Schev 2023"]
[Site "New York"]
[Date "2023.05.28"]
[Round "4.1"]
[White "Ostrovskiy, Aleksandr"]
[Black "Sturt, Raven"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2394"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "169"]
[EventDate "2023.05.23"]
[EventType "schev"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,169,14,8,7,32,29,34,29,34,43,53,34,63,14,31,27,57,54,51,42,45,34,31,0,-15,0,117,112,139,131,131,110,127,125,113,111,176,176,187,88,76,93,112,112,103,120,114,123,100,99,118,0,0,0,0,0,11,-5,-7,-47,-45,-91,-80,-163,-151,-134,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,-5,-5,-5,-144,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,29973,29976,29975,29974]} 1. e4 {[%emt 0:08:22]} c5 {[%emt 0:00:02]} 2. Nf3 {[%emt 0:00:37]} d6 {[%emt 0:00:05]} 3. Bb5+ {[%emt 0:00:41]} Nd7 {[%emt 0:00:05]} 4. a4 {[%emt 0:00:43][%cal Ba2a4,Ba4a5,Ba5b6][%mdl 32]} Ngf6 {[%emt 0:01:09]} 5. Nc3 {[%emt 0:01:08]} a6 {[%emt 0:03:03]} 6. Be2 {[%emt 0:01:16] B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} g6 {[%emt 0:02:36]} 7. a5 {[%emt 0:05:48] 7.a5 scores better than 7.0-0.} b5 {[%emt 0:02:54]} 8. axb6 {[%emt 0:00:18] White is slightly better.} Bb7 {[%emt 0:00:05]} 9. d3 {[%emt 0:01:11]} Bg7 {[%emt 0:00:21]} 10. O-O {[%emt 0:00:10]} O-O {[%emt 0:01:31]} 11. Qd2 {[%emt 0:12:30] [#]} (11. Nd2 $14) 11... e6 $146 {[%emt 0:20:36]} ({Predecessor:} 11... Nxb6 12. Qg5 c4 13. Qh4 cxd3 14. cxd3 h5 15. d4 Qd7 16. h3 Rfc8 17. Re1 a5 {1-0 Gumularz,S (2539)-Vokhidov,S (2536) Wch Rapid Warsaw 2021 (9)}) 12. Qf4 {[%emt 0:04:25]} Ne8 {[%emt 0:03:03]} 13. Qg3 {[%emt 0:03:06]} Nxb6 {[%emt 0:04:46]} 14. Bg5 {[%emt 0:04:56]} Qd7 {[%emt 0:05:09]} 15. Nd2 {[%emt 0:10:10]} Nc7 {[%emt 0:02:29]} 16. Nc4 {[%emt 0:06:30]} (16. h4 $14) 16... Nxc4 {[%emt 0:01:45]} 17. dxc4 {[%emt 0:00:10]} d5 {[%emt 0:10:29]} (17... Rfb8 $11) 18. exd5 {[%emt 0:13:36]} exd5 {[%emt 0:00:23]} 19. Na4 {[%emt 0:00:22] White is more active.} Rae8 {[%emt 0:03:50]} 20. Bf3 {[%emt 0:02:00]} Be5 {[%emt 0:01:28]} 21. Qh4 {[%emt 0:02:29]} (21. Nxc5 $2 Qc6 22. Qh4 Qxc5 $19) 21... Ne6 {[%emt 0:09:06][%cal Bc7e6,Be6d4,Bd4b3,Bb3d2][%mdl 32]} 22. Bh6 {[%emt 0:09:15]} Bg7 {[%emt 0:00:52]} (22... Ng7 $16) 23. Bxg7 $18 {[%emt 0:00:31]} (23. Nb6 $6 Qd6 24. Bxg7 (24. Nxd5 Nd4 $14) 24... Kxg7 25. Nxd5 Nd4 $14) 23... Kxg7 {[%emt 0:00:06]} 24. Bxd5 {[%emt 0:05:10]} (24. Nb6 $6 Qd6 25. Nxd5 Nd4 $14) (24. cxd5 $1 $18 {and the rest is easy.} Nd4 25. c4 (25. Nxc5 Nxf3+ 26. gxf3 Qxd5 $11)) 24... Bxd5 $16 {[%emt 0:00:26]} 25. Nb6 {[%emt 0:00:11][%cal Ba4b6,Bb6d5,Bd5f4][%mdl 96] Discovered Attack} (25. cxd5 Qxd5 26. Nc3 Qf5 $11) 25... Qd6 {[%emt 0:01:54] aiming for ...Bxg2.} 26. Nxd5 {[%emt 0:00:16]} Nd4 {[%emt 0:01:27]} 27. c3 {[%emt 0:01:01]} Nb3 {[%emt 0:02:01]} 28. Rad1 {[%emt 0:02:56]} Re2 {[%emt 0:01:28]} 29. Nf4 {[%emt 0:00:57]} Rd2 {[%emt 0:01:16] [#]} 30. Rxd2 {[%emt 0:01:52]} (30. Rde1 $1 $16) 30... Nxd2 $11 {[%emt 0:00:06]} 31. Re1 {[%emt 0:00:52]} Rb8 {[%emt 0:00:16]} 32. Qg5 {[%emt 0:01:56]} Ne4 {[%emt 0:06:08][%mdl 64] Deflection, Back Rank} 33. Qh4 $132 {[%emt 0:00:48][%mdl 2048] White is fighting back} (33. Rxe4 $2 Qd1+) 33... Nf6 {[%emt 0:02:54] Against Nd5} 34. h3 {[%emt 0:00:43]} Rxb2 {[%emt 0:00:29]} 35. Qg5 {[%emt 0:00:30]} (35. Qg3 $15 {feels stronger.} Rd2 36. Qe3) 35... Qd2 {[%emt 0:03:59]} 36. Qe5 {[%emt 0:00:04]} (36. Re7 $17 Qd1+ 37. Kh2) 36... Qxf2+ $19 {[%emt 0:01:02]} 37. Kh2 {[%emt 0:00:01] [#]} Kh6 {[%emt 0:00:49]} (37... h5 $1 $17 {...a5 is the strong threat.} 38. Ra1 h4) 38. Qxf6 $11 {[%emt 0:01:23] White wants to mate with Re7.} Qxe1 {[%emt 0:00:06][%mdl 4096] Endgame KQR-KQN} 39. Nd3 {[%emt 0:00:20] The board is on fire.} Qd2 {[%emt 0:01:09][%csl Gb2,LRd3,LRg2][%cal Rd2g2]} 40. Nxb2 {[%emt 0:00:07]} Qxb2 {[%emt 0:00:02]} 41. Qxf7 {[%emt 0:00:33] KQ-KQ} Qb8+ {[%emt 0:01:06]} 42. Kh1 {[%emt 0:00:15]} Qd6 {[%emt 0:01:05]} 43. Qf3 {[%emt 0:00:53]} a5 {[%emt 0:02:57]} 44. Qa8 {[%emt 0:00:22]} Qc7 {[%emt 0:00:08]} 45. Qe8 {[%emt 0:00:51]} Kg5 {[%emt 0:00:16]} 46. Qb5 {[%emt 0:00:18]} Kf4 {[%emt 0:00:15]} 47. Qe8 {[%emt 0:00:32]} Qe5 {[%emt 0:01:52]} 48. Qa8 {[%emt 0:00:40]} (48. Qf7+ $11 Qf5 49. Qe7) 48... Ke3 {[%emt 0:00:42]} (48... Qxc3 $17 49. Qd5 (49. Qf8+ $2 Ke4 $19) 49... Qa1+ 50. Kh2 Qd4 51. Qf3+ Ke5) 49. Qf3+ $1 {[%emt 0:00:35]} (49. Qxa5 Kf2 50. Qa2+ Qe2 $19) 49... Kd2 {[%emt 0:00:09][%cal Oe5f5] And now ...Qf5! would win.} 50. Qd5+ $1 {[%emt 0:00:08]} Qxd5 $1 {[%emt 0:00:13]} (50... Kxc3 51. Qxe5+ Kxc4 52. Qe6+ Kc3 53. Qf6+ Kd3 54. Qd6+ Ke4 55. Qe6+ Kd4 56. Qd7+ Ke4 57. Qxh7) 51. cxd5 {[%emt 0:00:01] d6 would kill now. KP-KP} a4 {[%emt 0:00:26][%cal Oa4a3]} (51... Kxc3 $2 52. d6 $18) 52. d6 {[%emt 0:00:01] Intending d7 and mate.} a3 {[%emt 0:00:03][%cal Oa3a2] ( -> ...a2!)} (52... Kxc3 $2 53. d7 $18) 53. d7 {[%emt 0:00:02]} a2 {[%emt 0:00:03]} 54. d8=Q+ {[%emt 0:00:05]} (54. d8=B a1=Q+ 55. Kh2 Qxc3 56. Bg5+ Ke2 57. Bh6 Qe5+ 58. Kg1 Qg3) 54... Kc2 {[%emt 0:00:07]} 55. Qa5 {[%emt 0:01:14][%csl LRa2,LRc5]} Kb2 {[%emt 0:00:01]} 56. Qb5+ {[%emt 0:00:06]} Kc2 $1 {[%emt 0:00:17]} 57. Qe2+ {[%emt 0:01:01]} Kb1 {[%emt 0:00:08]} 58. Qe1+ {[%emt 0:01:18]} Kb2 {[%emt 0:00:05]} 59. Qf2+ {[%emt 0:00:32]} Kb3 $1 {[%emt 0:00:05]} 60. Qf1 {[%emt 0:00:57] White threatens Qa1 and mate.} Kb2 {[%emt 0:00:05] Dodges Qa1+} 61. Qb5+ {[%emt 0:00:25]} Kc2 $1 {[%emt 0:00:10]} 62. Qa6 {[%emt 0:00:13]} Kb2 {[%emt 0:09:52]} 63. Qb7+ {[%emt 0:00:20]} Kc2 {[%emt 0:00:00]} 64. Qa7 {[%emt 0:00:23]} Kb2 {[%emt 0:00:00]} 65. Qb8+ {[%emt 0:00:44]} Kc2 {[%emt 0:00:00]} 66. Qa8 {[%emt 0:00:27]} Kb2 {[%emt 0:00:00]} 67. Qb7+ {[%emt 0:00:04]} Kc2 {[%emt 0:00:00]} 68. Qe4+ {[%emt 0:00:03]} Kb2 {[%emt 0:00:00]} 69. Qe2+ {[%emt 0:00:30]} Kb1 {[%emt 0:00:00]} 70. Qe1+ {[%emt 0:01:55]} Kb2 {[%emt 0:00:00]} 71. Qf2+ {[%emt 0:00:22]} Kb3 $1 {[%emt 0:00:00]} 72. Qg1 {[%emt 0:00:13]} Kb2 {[%emt 0:00:00] Prevents Qa1+.} 73. Qxc5 {[%emt 0:00:09] Threatening mate with Qb4+.} a1=Q+ {[%emt 0:05:30] KQ-KQ} 74. Kh2 {[%emt 0:00:07] Hoping for Qf2+.} Qf1 $1 {[%emt 0:00:00] Prevents Qf2+.} 75. Qd4 {[%emt 0:01:11] Threatens to win with c4+.} Kb3 $1 {[%emt 0:00:00]} 76. Qb4+ {[%emt 0:01:06]} Kc2 {[%emt 0:00:00]} 77. Qd4 {[%emt 0:00:26] Black must now prevent c4.} Kb3 $1 {[%emt 0:00:00]} 78. Kg3 {[%emt 0:00:08][%cal Oc3c4]} Qe1+ {[%emt 0:00:00]} 79. Kf4 {[%emt 0:00:17]} Qf1+ {[%emt 0:00:00]} 80. Kg3 {[%emt 0:00:30][%cal Oc3c4]} Qe1+ {[%emt 0:00:00]} 81. Kf4 {[%emt 0:01:02] Qd5+ would be deadly.} Qf1+ {[%emt 0:00:00]} 82. Kg3 {[%emt 0:00:17][%cal Oc3c4]} Qe1+ {[%emt 0:04:30]} 83. Qf2 {[%emt 0:00:30]} Qxc3+ $2 {[%emt 0:00:30][%mdl 8192]} (83... Qe6 $11) 84. Qf3 {[%emt 0:01:23]} h6 85. Kf4 {[%mdl 32768] What a fight!   Weighted Error Value: White=0.15 (very precise) /Black=0.15 (very precise) . An unexpected result.} 1/2-1/2

[Event "1000GM Memorial Day GM Schev 2023"]
[Site "New York"]
[Date "2023.05.28"]
[Round "4.2"]
[White "Kaliksteyn, Alexander"]
[Black "Lenderman, Aleksandr"]
[Result "1/2-1/2"]
[WhiteElo "2373"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2023.05.23"]
[EventType "schev"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,16,0,0,0]} 1. c4 {[%emt 0:00:03]} c5 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:02:32]} b6 {[%emt 0:00:28]} 3. b3 {[%emt 0:01:15]} Bb7 {[%emt 0:00:58]} 4. Bb2 {[%emt 0:00:07]} Nf6 {[%emt 0:01:56]} 5. Nc3 {[%emt 0:06:46]} e6 {[%emt 0:02:13]} 6. e3 {[%emt 0:00:51]} Be7 {[%emt 0:00:14]} 7. Be2 {[%emt 0:00:12]} O-O {[%emt 0:00:13]} 8. O-O {[%emt 0:00:16]} d5 {[%emt 0:01:42] [#] An uneventful encounter.  A30: Symmetrical English: Double Fianchetto and Hedgehog.} {Predecessor:} 9. d4 $146 cxd4 10. Nxd4 dxc4 11. Bxc4 Nc6 12. Nxc6 Bxc6 13. Qe2 Qc8 14. Rac1 a6 15. e4 Qb7 16. Bd3 Rfd8 17. Rfd1 b5 18. f3 Nd7 19. Qe1 {½-½ Tomashevsky,E (2706)-Kramnik,V (2753) Razuvaev Memorial online blitz 2020 (7)} 1/2-1/2

[Event "1000GM Memorial Day GM Schev 2023"]
[Site "New York"]
[Date "2023.05.28"]
[Round "5.1"]
[White "Ostrovskiy, Aleksandr"]
[Black "Lenderman, Aleksandr"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2394"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2023.05.23"]
[EventType "schev"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,83,25,15,16,27,28,25,22,40,0,8,8,35,0,26,2,26,17,20,0,7,0,36,0,0,-7,-6,-4,-20,-18,0,0,0,0,13,38,96,95,79,80,72,82,160,162,148,174,142,145,197,202,266,237,255,246,401,410,442,432,731,727,662,689,566,545,524,518,694,555,639,633,606,537,700,608]} 1. e4 {[%emt 0:10:40]} e5 {[%emt 0:19:21]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:04]} 3. Bc4 {[%emt 0:03:03]} Bc5 {[%emt 0:00:15]} 4. O-O {[%emt 0:00:52]} Nf6 {[%emt 0:00:39]} 5. d3 {[%emt 0:00:19]} d6 {[%emt 0:00:16]} 6. c3 {[%emt 0:00:44]} a6 {[%emt 0:00:26] 6...a5 is setting a new trend.} 7. a4 {[%emt 0:01:08] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Ba7 {[%emt 0:00:15]} 8. Nbd2 {[%emt 0:00:48][%cal Bb1d2,Bd2f1,Bf1e3][%mdl 32]} h6 {[%emt 0:00:36]} 9. Re1 {[%emt 0:03:07] White has an edge.} g5 {[%emt 0:00:29]} 10. Nf1 {[%emt 0:10:19]} (10. b4 $5) 10... g4 {[%emt 0:00:59]} 11. N3d2 {[%emt 0:00:48]} h5 {[%emt 0:01:16]} 12. Ne3 {[%emt 0:01:25]} (12. Nb3 {is interesting.} Be6 13. Bg5 Rg8 14. Bh4) 12... h4 {[%emt 0:02:46][%cal Og4g3]} 13. Ndf1 $1 {[%emt 0:02:38]} Rg8 {[%emt 0:02:40]} 14. b4 {[%emt 0:07:28]} Be6 {[%emt 0:07:15]} 15. Bxe6 {[%emt 0:05:28]} fxe6 {[%emt 0:00:55]} 16. b5 {[%emt 0:00:53]} Ne7 {[%emt 0:01:01] [#]} 17. bxa6 $146 {[%emt 0:04:53]} ({Predecessor:} 17. d4 exd4 18. cxd4 Qd7 19. Rb1 axb5 20. Rxb5 c6 21. Rb3 O-O-O 22. Nc4 d5 23. Na5 {1-0 Demchenko,A (2672)-Bologan,V (2600) EU-ch 19th Batumi 2018 (9)}) 17... bxa6 {[%emt 0:00:20]} 18. d4 {[%emt 0:04:19]} Qd7 {[%emt 0:07:06] aiming for ...Qc6.} (18... Nxe4 $2 19. Nxg4 Nxc3 20. Nf6+ Kf7 21. Qf3 Bxd4 22. Nxg8+ Kxg8 23. Ra3 $18) 19. Qd3 {[%emt 0:11:12]} Nc6 {[%emt 0:09:57][%cal Re5d4]} 20. d5 {[%emt 0:03:38]} Ne7 {[%emt 0:01:02]} 21. dxe6 {[%emt 0:05:27]} Qxe6 {[%emt 0:00:14]} 22. Qxa6 {[%emt 0:01:16]} Kf7 {[%emt 0:06:38] [#] Strongly threatening ...Bxe3.} 23. Qd3 {[%emt 0:03:40]} g3 {[%emt 0:08:40]} 24. hxg3 $16 {[%emt 0:03:12] Black is on the road to losing.} h3 {[%emt 0:01:51]} 25. Qc4 {[%emt 0:03:41]} (25. Nf5 {looks sharper.} Rh8 26. Bg5 Nxe4 27. Nh6+) 25... Qxc4 {[%emt 0:04:10]} 26. Nxc4 {[%emt 0:00:03]} h2+ {[%emt 0:00:04]} 27. Nxh2 {[%emt 0:00:48]} Rxg3 {[%emt 0:00:02] [#]} 28. Be3 $1 {[%emt 0:01:05]} Bxe3 {[%emt 0:00:44]} 29. Nxe3 {[%emt 0:00:14]} Rg6 {[%emt 0:00:02]} (29... Rgg8 $16 {was necessary.} 30. Ra3 Ra5) 30. f3 $18 {[%emt 0:01:11]} Nh5 {[%emt 0:00:11]} 31. Reb1 {[%emt 0:04:43] Threatens to win with Rb7.} Nf4 {[%emt 0:00:07]} 32. Rb7 {[%emt 0:02:57]} Ne2+ $2 {[%emt 0:02:00]} (32... Ne6 33. a5 Ke8) 33. Kf2 {[%emt 0:00:02]} Nxc3 {[%emt 0:00:06]} 34. Rc1 {[%emt 0:03:16] White is clearly winning.} ({Less strong is} 34. Rxc7 Rxa4 35. Rxa4 Nxa4 $18) 34... d5 {[%emt 0:00:18]} (34... Nxa4 $142 35. Rcxc7 (35. Rbxc7 Nc5 $16) 35... Re8) 35. Rxc3 {[%emt 0:00:51]} d4 {[%emt 0:00:01]} 36. Rcxc7 {[%emt 0:00:13]} dxe3+ {[%emt 0:00:05]} 37. Kxe3 {[%emt 0:00:04]} Re6 {[%emt 0:00:04]} 38. Ra7 {[%emt 0:00:38]} Rb8 {[%emt 0:00:07]} 39. Rcb7 {[%emt 0:00:42]} Rc8 {[%emt 0:00:04]} 40. Ng4 {[%emt 0:00:08]} Kf8 {[%emt 0:00:04]} 41. Rc7 {[%emt 0:00:23]} Rb8 {[%emt 0:00:09]} 42. Kf2 {[%emt 0:01:11] Weighted Error Value: White=0.13 (very precise) /Black=0.32} 1-0

[Event "1000GM Memorial Day GM Schev 2023"]
[Site "New York"]
[Date "2023.05.28"]
[Round "5.2"]
[White "Kaliksteyn, Alexander"]
[Black "Rohde, Michael"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2373"]
[BlackElo "2339"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2023.05.23"]
[EventType "schev"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 25,29,3,2,1,27,8]} 1. c4 {[%emt 0:00:03]} c5 {[%emt 0:03:08]} 2. Nf3 {[%emt 0:00:14]} Nf6 {[%emt 0:01:18]} 3. Nc3 {[%emt 0:00:12]} e6 {[%emt 0:01:42]} 4. g3 {[%emt 0:00:46]} b6 {[%emt 0:00:12]} 5. Bg2 {[%emt 0:00:36]} Bb7 {[%emt 0:00:04]} 6. O-O {[%emt 0:00:09]} a6 {[%emt 0:00:59]} 7. b3 {[%emt 0:00:58]} Be7 {[%emt 0:01:13]} 8. Bb2 {[%emt 0:00:36]} O-O {[%emt 0:00:36]} 9. d4 {[%emt 0:00:40]} cxd4 {[%emt 0:00:21]} 10. Nxd4 {[%emt 0:00:12]} Bxg2 {[%emt 0:00:37]} 11. Kxg2 {[%emt 0:00:08]} Qc7 {[%emt 0:00:24]} 12. e3 {[%emt 0:06:02]} Nc6 {[%emt 0:06:22]} 13. Nxc6 {[%emt 0:06:15]} Qxc6+ {[%emt 0:00:23]} 14. Qf3 {[%emt 0:00:06] A30: Symmetrical English: Double Fianchetto and Hedgehog.} Rfc8 {[%emt 0:01:40]} 15. Rfd1 {[%emt 0:00:27] [#] An uneventful encounter.} {Predecessor:} Rab8 $146 16. a4 d6 17. Rab1 Nd7 18. Ba3 Nc5 19. Qxc6 Rxc6 20. Ne2 Rc7 21. Nd4 g6 {½-½ Vidarte Morales,A (2350)-Marin,M (2545) Sitges op 1996 (9)} 1/2-1/2

[Event "1000GM Memorial Day GM Schev 2023"]
[Site "New York"]
[Date "2023.05.29"]
[Round "6.1"]
[White "Lenderman, Aleksandr"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2572"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2023.05.23"]
[EventType "schev"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,43,31,21,28,19,30,23,17,16,32,30,40,0,0,-2,40,41,47,12,60,43,54,33,74,25,15,31,18,6,25,29,52,31]} 1. d4 {[%emt 0:00:03]} d5 {[%emt 1:31:00]} 2. c4 {[%emt 0:00:03]} c6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:02:00]} Nf6 {[%emt 0:00:00]} 4. e3 {[%emt 0:00:08]} Bf5 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:08]} e6 {[%emt 0:00:00]} 6. Nh4 {[%emt 0:00:05]} Be4 {[%emt 0:00:00]} 7. f3 {[%emt 0:00:23]} Bg6 {[%emt 0:00:00] D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} 8. Bd2 {[%emt 0:01:56]} Be7 {[%emt 0:00:00] 8...Be7 is better than 8...Nbd7.} 9. Nxg6 {[%emt 0:00:31]} hxg6 {[%emt 0:00:00] White has an edge.} 10. Qc2 {[%emt 0:00:06]} Qc7 {[%emt 0:00:00] [#]} 11. g3 $146 {[%emt 0:08:56]} ({Predecessor:} 11. O-O-O Rxh2 12. Rxh2 Qxh2 13. Qb3 Qc7 14. Kb1 Nbd7 15. cxd5 Nxd5 16. Nxd5 exd5 17. e4 {1-0 Matlakov,M (2671)-Vallejo Pons,F (2711) Chess.com Rapid CGC KO 2022 (1.2)}) 11... a6 {[%emt 0:00:00]} 12. O-O-O {[%emt 0:03:57]} dxc4 {[%emt 0:00:00]} 13. Bxc4 {[%emt 0:00:42]} Nbd7 {[%emt 0:00:00]} 14. e4 {[%emt 0:01:09]} b5 {[%emt 0:00:00]} 15. Be2 {[%emt 0:00:19]} (15. Bxe6 {feels hotter.} fxe6 16. e5 Kf7 17. exf6 gxf6 18. h4) 15... Rc8 {[%emt 0:00:00]} (15... c5 $11 {is more appropriate.} 16. Bf4 Qb7) 16. Kb1 $14 {[%emt 0:02:00]} Qb7 {[%emt 0:00:00]} 17. Be3 {[%emt 0:14:02]} c5 {[%emt 0:00:00] [#]} 18. d5 {[%emt 0:01:49]} (18. e5 $1 $16 {[%cal Re5f6]} Nd5 19. Nxd5 exd5 20. dxc5) 18... exd5 $11 {[%emt 0:00:00]} 19. Nxd5 {[%emt 0:00:36]} Nxd5 {[%emt 0:00:00]} 20. Rxd5 {[%emt 0:00:18]} c4 {[%emt 0:00:00]} 21. h4 {[%emt 0:02:46]} Nf6 {[%emt 0:00:00]} 22. Rdd1 {[%emt 0:01:17] Weighted Error Value: White=0.14 (very precise) /Black=0.14 (very precise)} 1-0

