[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.18"]
[Round "1.1"]
[White "Bous, Florian"]
[Black "Zwirs, Nico"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2023"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,48,14,17,15,13,28,34,54,30,29,18,21,-11,-8,-23,-15,-18,10,-43,0,-265,-276,-350,-340,-330,-343,-354,-347,-839,-801,-800,-820,-905,-902,-887,-859,-1581,-1590,-1439,-1332]} 1. d4 {[%emt 0:00:05]} d5 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:01]} 3. Nf3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:02]} 4. Nc3 {[%emt 0:00:11]} Nbd7 {[%emt 0:00:32]} 5. cxd5 {[%emt 0:01:05]} exd5 {[%emt 0:00:02]} 6. Bg5 {[%emt 0:00:10][%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} h6 {[%emt 0:02:20] D35: Queen's Gambit Declined: Exchange Variation.} 7. Bh4 {[%emt 0:04:44]} g5 {[%emt 0:00:52]} 8. Bg3 {[%emt 0:00:04]} Bb4 {[%emt 0:00:09] White is slightly better.} 9. a3 {[%emt 0:02:32]} Bxc3+ {[%emt 0:02:35]} 10. bxc3 {[%emt 0:00:06]} Ne4 {[%emt 0:00:15] [#]} 11. e3 $146 {[%emt 0:03:24]} (11. Nd2 $5 {[%cal Rd2e4]}) ({Predecessor:} 11. Nd2 Nxg3 12. hxg3 Nf6 13. e3 c6 14. Qb3 Qe7 15. Bd3 Be6 16. Qa4 Kf8 17. Rb1 {1-0 (43) Bui,V (2408)-Kim,C (1861) Vientiane 2018}) 11... h5 $36 {[%emt 0:03:22][%mdl 2048] White must now prevent ...h4. Black fights for an advantage.} 12. h3 {[%emt 0:10:13]} Nxg3 {[%emt 0:00:33]} (12... Nxc3 13. Qc2 Ne4 14. Bxc7 $16) 13. fxg3 {[%emt 0:00:06]} Qe7 {[%emt 0:04:02]} 14. Kf2 {[%emt 0:02:40]} (14. Bd3 $11) 14... Nf6 {[%emt 0:28:05][%cal Bd7f6,Bf6g4,Bg4e3][%mdl 32]} 15. Nxg5 {[%emt 0:05:00][%mdl 8192]} (15. Bd3 $11 {and White is okay.}) 15... Rg8 $19 {[%emt 0:00:39]} 16. h4 {[%emt 0:01:48]} Ng4+ {[%emt 0:01:15][%mdl 64] Deflection, Double Attack} 17. Ke1 {[%emt 0:02:03]} Nxe3 {[%emt 0:02:55]} 18. Qxh5 {[%emt 0:03:55] [#]} Bg4 $1 {[%emt 0:00:32] Dancing on a razor blade.} ({And not} 18... Nc2+ 19. Kd2 Bf5 20. Bb5+ c6 {[#]} 21. Rhe1 $1 Nxe1 22. Rxe1 $11) 19. Qh7 $2 {[%emt 0:02:00]} (19. Qxf7+ Qxf7 20. Nxf7 Kxf7 21. Kd2) 19... Nd1+ {[%emt 0:06:24] Black is clearly winning.} 20. Ne4 {[%emt 0:02:23]} O-O-O {[%emt 0:01:57] aiming for ...Nxc3.} 21. Rxd1 {[%emt 0:04:07]} Rh8 {[%emt 0:01:02][%mdl 64] Deflection} ({Less strong is} 21... Qxe4+ 22. Qxe4 dxe4 23. Rb1 $14) ({Don't go for} 21... dxe4 $2 22. Be2 Bxe2 23. Qf5+ Kb8 24. Kxe2 $19) 22. Qg7 {[%emt 0:01:29]} Qxe4+ {[%emt 0:00:07]} 23. Kd2 {[%emt 0:00:07]} Bxd1 {[%emt 0:01:04]} 24. Bd3 {[%emt 0:00:07] Prevents Qc2+.} Qxg2+ {[%emt 0:00:06] Weighted Error Value: White=0.93/Black=0.05 (flawless)} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.18"]
[Round "1.2"]
[White "Van Delft, Merijn"]
[Black "Van Nieuwkerk, Ton"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2383"]
[BlackElo "2014"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,82,0,26,0,0,0,4,14,35,27,33,29,30,35,71,70,74,65,115,130,120,88,148,146,141,143,144,144,148,123,144,74,81,71,75,77,73,73,73,62,76,77,79,71,158,152,339,18,54,62,141,0,120,0,302,151,141,63,127,130,285,255,774,731,29993,29994,29994,29986,29986,29987,29999]} 1. e4 {[%emt 0:00:05]} e6 {[%emt 0:00:12]} 2. d4 {[%emt 0:00:07]} d5 {[%emt 0:00:03]} 3. e5 {[%emt 0:01:20]} c5 {[%emt 0:00:05]} 4. c3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:19]} 5. Nf3 {[%emt 0:00:09]} Bd7 {[%emt 0:00:14]} 6. Be2 {[%emt 0:00:32]} Nge7 {[%emt 0:00:22]} 7. O-O {[%emt 0:02:57]} Rc8 {[%emt 0:00:19]} 8. Kh1 {[%emt 0:15:19] C02: French: Advance Variation.} (8. dxc5 $5 {[%cal Rc3c4]} Ng6 9. Be3 $11 (9. Bg5 Be7 $11)) 8... cxd4 {[%emt 0:07:00]} 9. cxd4 {[%emt 0:00:35]} Qb6 {[%emt 0:01:42]} 10. Nc3 {[%emt 0:01:17] [#] The position is equal.} Na5 $146 {[%emt 0:05:40]} ({Predecessor:} 10... Ng6 11. Na4 Qc7 12. Ne1 Nb4 13. Nc3 Be7 14. Be3 O-O 15. Nd3 Nxd3 16. Bxd3 Bc6 {½-½ (28) Cima,R-Cast,A (2082) Mallorca 2004}) 11. Bd3 {[%emt 0:12:10]} Nec6 {[%emt 0:09:01]} 12. Na4 {[%emt 1:01:55]} Qd8 {[%emt 0:04:31]} 13. a3 {[%emt 0:00:00]} b5 {[%emt 0:14:38]} 14. Nc5 {[%emt 0:00:00]} Bxc5 {[%emt 0:15:44]} 15. dxc5 {[%emt 0:00:00]} Nc4 {[%emt 0:00:18]} (15... Rb8 $14) 16. Re1 $16 {[%emt 0:00:00]} Qc7 {[%emt 0:05:08][%cal Rc6e5]} 17. Qe2 {[%emt 0:00:00]} N6a5 {[%emt 0:02:37]} (17... N4a5 $142) 18. Bc2 {[%emt 0:00:00]} Nc6 {[%emt 0:04:47]} (18... Qxc5 $2 19. b4 Qc7 20. bxa5) 19. b3 {[%emt 0:00:00]} N4a5 {[%emt 0:00:19]} 20. Bd2 {[%emt 0:00:00]} (20. Qxb5 Nxe5 $1 21. Qe2 Nxf3 22. Qxf3 Qxc5 $15) 20... h6 {[%emt 0:04:16]} 21. Rab1 {[%emt 0:00:00]} ({Resist} 21. Qxb5 $6 Nxe5 22. Qe2 (22. Bxa5 Bxb5 23. Bxc7 Nxf3 $15) (22. Qxa5 Qxa5 23. Bxa5 Nxf3 $11) 22... Nxf3 23. Qxf3 Qxc5 $14) 21... Rb8 {[%emt 0:02:05]} 22. b4 {[%emt 0:00:00]} ({Better is} 22. Nh4) 22... Nc4 {[%emt 0:00:30]} 23. Bc1 {[%emt 0:00:00]} a5 {[%emt 0:02:29]} 24. h3 {[%emt 0:00:00]} axb4 {[%emt 0:02:08]} 25. axb4 {[%emt 0:00:00]} Ra8 {[%emt 0:00:14]} 26. Bb3 {[%emt 0:00:00]} Ke7 {[%emt 0:02:42]} 27. Bxc4 {[%emt 0:00:00]} dxc4 {[%emt 0:00:33]} 28. Qe4 {[%emt 0:00:00]} Rhd8 {[%emt 0:05:07]} (28... Kf8 $142) 29. Rd1 {[%emt 0:00:00]} Ra4 $2 {[%emt 0:01:20]} (29... Bc8 $16 30. Rxd8 Kxd8) 30. Qe1 $2 {[%emt 0:00:00]} (30. Qh7 $18 Be8 31. Rd6) 30... Be8 {[%emt 0:00:35] Hoping for ...Rxd1.} 31. Rd6 {[%emt 0:00:00]} Kf8 {[%emt 0:00:34]} (31... Qa7 $1 $14) 32. Bd2 {[%emt 0:00:00]} (32. Qe4 $1 $16 {[%cal Re4h7] Strongly threatening Qh7.} Kg8 33. Qg4) 32... Ne7 {[%emt 0:03:47] [#]} (32... Kg8 $11 {keeps the balance.}) 33. Nd4 {[%emt 0:00:00]} ({Only move:} 33. Bxh6 $1 $16 {[%mdl 512] Black must now prevent Bg5.} Rc8 (33... Rda8 34. Bd2) 34. Bg5) 33... Nc8 $2 {[%emt 0:02:51][%mdl 8192] [#]} (33... Kg8 $11 {and Black has nothing to worry.}) 34. Qe4 $1 {[%emt 0:00:00]} Kg8 {[%emt 0:02:55] [#]} (34... Nxd6 $2 35. cxd6 Rxd6 36. exd6 Qxd6 37. Qh7 $1 $18) 35. Rc1 {[%emt 0:02:31] White is much more active. The black rooks are badly placed.} ({Stronger than} 35. Rxd8 Qxd8 36. Qg4 Ne7 $15) (35. Qg4 $1 $16 Kh7 36. Rd1 (36. Rxd8 Qxd8 37. Rd1 Qc7 $11) 36... Nxd6 37. exd6) 35... Nxd6 {[%emt 0:00:41]} (35... Ra3 $1 $14) 36. exd6 {[%emt 0:00:16]} Qd7 {[%emt 0:00:12] [#]} (36... Qa7 $16 {might work better.}) 37. Rc3 $1 $18 {[%emt 0:00:29][%cal Od2h6,Bc1c3,Bc3g3,Bg3g8][%mdl 32] aiming for Bxh6!} Ra2 $2 {[%emt 0:01:38] [#]} (37... Rxb4 $2 38. Rg3 f5 39. Qe1 $18) (37... Rda8 38. Rg3 Ra3) 38. Bxh6 $1 {[%emt 0:02:04][%mdl 512]} gxh6 {[%emt 0:01:21]} (38... f5 39. Qe5) 39. Rg3+ {[%emt 0:00:43] White mates.} Kf8 {[%emt 0:00:28]} 40. Qh7 {[%emt 0:00:48][%cal Rh7h6]} Ra1+ {[%emt 0:00:18]} 41. Kh2 {[%emt 0:00:09][%cal Rh7h6]} f6 {[%emt 0:00:39]} 42. Rg8# {[%emt 0:08:00] Weighted Error Value: White=0.42/Black=0.62} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.18"]
[Round "1.3"]
[White "Golbach, Floris"]
[Black "Bosboom, Manuel"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "2012"]
[BlackElo "2381"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,78,31,40,40,27,0,-2,-3,-13,-39,-43,-56,-43,-53,0,0,14,0,0,-14,-21,-28,-21,-33,-39,-142,-131,-224,0,-27,-14,-70,73,81,119,120,186,112,90,91,100,19,27,18,42,20,124,0,6,-143,-130,-322,-300,-351,-338,-538,-539,-538,-536,-529,-522,-602,-596,-579,-565,-550,-529]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:11]} 2. c4 {[%emt 0:00:08]} g6 {[%emt 0:00:30]} 3. Nc3 {[%emt 0:00:29]} Bg7 {[%emt 0:00:16]} 4. e4 {[%emt 0:00:09]} d6 {[%emt 0:00:07]} 5. h3 {[%emt 0:01:38]} O-O {[%emt 0:05:32]} 6. Bg5 {[%emt 0:00:38]} Nbd7 {[%emt 0:03:48]} 7. Bd3 {[%emt 0:03:29]} c5 {[%emt 0:02:29] has lost popularity (7...e5).} 8. d5 {[%emt 0:01:19] E71: King's Indian: 4 e4 d6 5 h3.} Ne5 {[%emt 0:03:11]} 9. Be2 {[%emt 0:02:27]} (9. Nf3 $5 {[%cal Rf3e5]}) 9... b5 {[%emt 0:07:10]} 10. cxb5 {[%emt 0:03:07] The position is equal.} a6 {[%emt 0:06:59]} 11. Nf3 {[%emt 0:12:16]} Nxf3+ {[%emt 0:05:24]} 12. gxf3 {[%emt 0:00:17]} axb5 {[%emt 0:00:34]} 13. Bxb5 {[%emt 0:01:18] [#]} Qa5 $146 {[%emt 0:03:27]} (13... Nh5 $15) ({Predecessor:} 13... h6 14. Be3 e6 15. dxe6 Bxe6 16. Qd2 Kh7 17. Rd1 Qa5 18. a4 Bb3 19. Rc1 Rfd8 {0-1 (37) Costa,J (2425)-Nemet,I (2410) Switzerland 1993}) 14. a4 $11 {[%emt 0:04:36]} Qb4 {[%emt 0:10:44][%cal Of6e4]} 15. Bd2 {[%emt 0:08:42] aiming for Ne2.} Nh5 {[%emt 0:02:10]} 16. Qc2 {[%emt 0:14:07]} Qd4 {[%emt 0:10:44]} 17. Ra3 {[%emt 0:22:12]} f5 {[%emt 0:03:11]} 18. a5 {[%emt 0:12:23]} fxe4 {[%emt 0:12:42]} 19. Qxe4 {[%emt 0:00:15]} (19. Bc6 $15 Ra6 20. Qxe4) 19... Qb4 $1 $17 {[%emt 0:02:49] And now ...Bxc3 would win.} 20. Bc6 {[%emt 0:06:32]} (20. Bc4 $17) 20... Ba6 $2 {[%emt 0:07:16]} 21. Qe6+ {[%emt 0:01:40]} (21. Qxe7 $2 Qxb2 22. Ra2 Qb3 $1 $19) 21... Kh8 {[%emt 0:00:11]} 22. Nd1 {[%emt 0:00:09]} ({Avoid the trap} 22. Bxa8 $2 Qxb2 23. Ra2 Qb3 $19) (22. Na4 $1 $11 Qc4 23. Bxa8) 22... Nf4 {[%emt 0:04:01]} (22... Qb8 $1 $15 {stays ahead.} 23. Bxa8 (23. Qxe7 Ra7 $17) 23... Qxa8) 23. Bxb4 $16 {[%emt 0:00:48]} Nxe6 {[%emt 0:01:57] [#]} 24. Bc3 $36 {[%emt 0:00:38][%mdl 2048] White has strong initiative.} ({Not} 24. Bxa8 cxb4 25. Re3 Nd4 $17) 24... Nf4 {[%emt 0:01:15]} 25. Bxg7+ {[%emt 0:00:25]} ({White should try} 25. Bxa8 $18 Rxa8 26. Ne3) 25... Kxg7 {[%emt 0:00:01]} 26. Bxa8 {[%emt 0:00:09]} Rxa8 {[%emt 0:00:06]} 27. Ne3 {[%emt 0:01:16]} (27. Kd2 $16) 27... Rb8 $11 {[%emt 0:00:16]} 28. Ra2 {[%emt 0:02:24]} h5 {[%emt 0:02:16]} 29. Kd2 {[%emt 0:00:36]} Nd3 {[%emt 0:01:27] [#]} (29... Rb4 $1 $11 {keeps the balance.}) 30. Kc3 {[%emt 0:00:29]} (30. Rb1 $1 $16) 30... Rf8 {[%emt 0:00:14]} 31. Rd1 {[%emt 0:00:34]} (31. Ra3 $11 {remains equal.}) 31... Nxf2 $17 {[%emt 0:00:34] Black is much more active.} 32. Rd2 {[%emt 0:00:43] Now White is beyond hope.} (32. Re1 $17) 32... Rxf3 $19 {[%emt 0:01:24]} 33. Rxf2 {[%emt 0:00:13]} Rxf2 {[%emt 0:00:34][%mdl 4096] Endgame KRB-KRN} 34. h4 {[%emt 0:00:28]} (34. Ra4 $142 g5 35. Re4) 34... Rf3 {[%emt 0:00:17] Black is clearly winning.} 35. Kd2 {[%emt 0:00:06]} Rf4 {[%emt 0:00:16][%cal Bf3f4,Bf4h4,Bh4d4,Bd4a4][%mdl 32] Prevents Ra4.} 36. Ra3 {[%emt 0:01:02]} Rxh4 {[%emt 0:00:12]} 37. Rb3 {[%emt 0:00:14]} Rd4+ {[%emt 0:01:17]} 38. Ke1 {[%emt 0:00:46]} h4 {[%emt 0:01:04]} 39. Kf2 {[%emt 0:00:34]} Ra4 {[%emt 0:02:31] Weighted Error Value: White=0.56/Black=0.28 (precise)} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.18"]
[Round "1.4"]
[White "Blom, Vincent"]
[Black "Zhu, Chenwu"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2325"]
[BlackElo "2010"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,71,8,25,27,27,15,27,27,33,35,23,23,41,37,196,206,206,204,266,266,246,229,387,366,394,364,358,251,247,224,216,229,253,222,238,246,233,232,226,227,273,266,261,272,272,264,371,367,381,374,368,362,532,528,566,504,506,477,499,497,492,489,487,490]} 1. c4 {[%emt 0:00:03]} c5 {[%emt 0:00:32]} 2. b3 {[%emt 0:00:05]} Nf6 {[%emt 0:01:14]} 3. Bb2 {[%emt 0:00:04]} g6 {[%emt 0:01:35]} 4. Bxf6 {[%emt 0:01:03]} exf6 {[%emt 0:00:25]} 5. Nc3 {[%emt 0:00:03]} f5 {[%emt 0:02:19]} 6. g3 {[%emt 0:00:09] A30: Symmetrical English: Double Fianchetto and Hedgehog.} Bg7 {[%emt 0:01:28]} 7. Bg2 {[%emt 0:00:33]} Nc6 {[%emt 0:01:27][%cal Bb8c6,Bc6b4,Bb4d3][%mdl 32]} 8. e3 {[%emt 0:04:02] White has an edge.} Nb4 {[%emt 0:11:43][%cal Od7d5] [#]} 9. Nge2 $146 {[%emt 0:11:32]} ({Predecessor:} 9. Qb1 d5 10. cxd5 Bxc3 11. dxc3 Nxd5 12. Ne2 O-O 13. O-O Nf6 14. c4 Be6 15. Bxb7 {½-½ (57) Hillarp Persson,T (2552)-Bellon Lopez,J (2368) Vaxjo 2015}) 9... Nd3+ {[%emt 0:02:47]} 10. Kf1 {[%emt 0:00:05]} O-O {[%emt 0:01:48]} 11. a3 {[%emt 0:10:31] Black must now prevent f4.} d6 $2 {[%emt 0:07:42]} ({Better is} 11... Rb8 $14) 12. f4 $1 $18 {[%emt 0:01:22]} Rb8 {[%emt 0:19:52][%cal Ob7b5]} 13. Ra2 {[%emt 0:09:05]} d5 {[%emt 0:06:54]} 14. Bxd5 {[%emt 0:02:58]} b5 {[%emt 0:11:15] [#]} 15. Qc2 $1 {[%emt 0:04:47]} ({Stronger than} 15. cxb5 Rxb5 16. Qc2 Rb6 $11) 15... bxc4 {[%emt 0:01:40]} (15... Nb4 {was called for.} 16. axb4 cxb4) 16. bxc4 {[%emt 0:03:20]} Nb4 {[%emt 0:01:37]} 17. axb4 {[%emt 0:00:11]} cxb4 {[%emt 0:00:06] [#]} 18. Rxa7 $1 {[%emt 0:04:05]} bxc3 {[%emt 0:01:18]} 19. Nxc3 {[%emt 0:01:14]} Qb6 {[%emt 0:01:20]} 20. Ra1 {[%emt 0:03:57]} Qb2 {[%emt 0:03:42]} 21. Rc1 {[%emt 0:00:14]} Be6 {[%emt 0:03:16]} 22. Bxe6 {[%emt 0:08:12]} fxe6 {[%emt 0:00:36]} 23. Qxb2 {[%emt 0:00:05]} Rxb2 {[%emt 0:00:08]} 24. Ke2 {[%emt 0:01:45]} Rc8 {[%emt 0:03:52]} 25. Nd1 {[%emt 0:01:23]} Ra2 {[%emt 0:01:43] [#]} 26. Nf2 $1 {[%emt 0:01:05]} Bf8 {[%emt 0:02:39]} 27. Nd3 {[%emt 0:01:56]} h6 {[%emt 0:03:40]} (27... Be7 $142 28. c5 Ra6) 28. Ra1 {[%emt 0:02:37]} Rxa1 {[%emt 0:00:50]} 29. Rxa1 {[%emt 0:00:06]} Rxc4 {[%emt 0:00:22][%mdl 4096] Endgame KRB-KRN} 30. Ra6 {[%emt 0:00:33]} Re4 {[%emt 0:00:51]} (30... Bg7 {is a better defense.} 31. Rxe6 Kf7) 31. Ne5 {[%emt 0:00:58] White is clearly winning.} g5 {[%emt 0:03:04]} 32. Rxe6 {[%emt 0:00:22]} gxf4 {[%emt 0:00:33]} 33. gxf4 {[%emt 0:00:11]} Ra4 {[%emt 0:00:56]} 34. Rf6 {[%emt 0:00:15]} Ra2 {[%emt 0:00:50]} 35. Rxf5 {[%emt 0:00:11]} Bb4 {[%emt 0:00:10]} 36. Nf3 {[%emt 0:00:06] Black got outplayed after the opening.  Weighted Error Value: White=0.06 (flawless) /Black=0.37} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.18"]
[Round "1.5"]
[White "Kotmans, Rob"]
[Black "Van Baar, Esper"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "2008"]
[BlackElo "2281"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,52,2,7,0,0,0,0,-2,-14,-67,-60,-118,-109,-117,-103,-121,-108,-122,-100,-121,-62,-64,-54,-91,-91,-124,-124,-116,-121,-118,-136,-144,-144,-161,-157,-175,-116,-344,-325,-297,-153]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:03]} 2. Nc3 {[%emt 0:00:09]} d6 {[%emt 0:00:36]} 3. g3 {[%emt 0:00:11]} Nc6 {[%emt 0:01:37][%cal Bb8c6,Bc6d4,Bd4e2][%mdl 32]} 4. Bg2 {[%emt 0:00:08]} g6 {[%emt 0:00:33]} 5. d3 {[%emt 0:00:09]} Bg7 {[%emt 0:01:01]} 6. Be3 {[%emt 0:00:22]} e6 {[%emt 0:01:44]} 7. Qd2 {[%emt 0:00:26]} Nd4 {[%emt 0:02:54]} 8. Nce2 {[%emt 0:03:49] B26: Closed Sicilian: 3 g3, lines with early Be3.} Nxe2 {[%emt 0:04:45]} 9. Nxe2 {[%emt 0:00:07]} Bxb2 {[%emt 0:01:30]} 10. Rb1 {[%emt 0:00:59] The position is equal.} Bg7 {[%emt 0:00:34] [#]} 11. c3 $146 {[%emt 0:00:07]} (11. d4 $11) ({Predecessor:} 11. d4 cxd4 12. Nxd4 Ne7 13. Nb5 d5 14. Bc5 O-O 15. O-O b6 16. Ba3 Ba6 17. Rfd1 Bxb5 18. Rxb5 {1-0 (30) Belenkaya,D (2341)-Dordzhieva,D (2311) Chess.com INT 2021}) 11... b6 $15 {[%emt 0:08:22]} 12. e5 {[%emt 0:04:36]} ({Better is} 12. c4 $15) 12... Rb8 $17 {[%emt 0:06:45]} 13. exd6 {[%emt 0:01:03]} Qxd6 {[%emt 0:00:16]} 14. d4 {[%emt 0:01:40] [#]} cxd4 {[%emt 0:08:52]} 15. cxd4 {[%emt 0:00:14]} Bb7 {[%emt 0:03:01]} 16. Bf4 {[%emt 0:01:40]} e5 {[%emt 0:14:19]} (16... Qd8 $17 17. Kf1 Bxg2+ 18. Kxg2 Rc8) 17. Bxb7 $15 {[%emt 0:00:12][%cal Od2e3]} exf4 {[%emt 0:00:55]} 18. Ba6 {[%emt 0:07:39]} fxg3 {[%emt 0:02:29]} 19. Bb5+ {[%emt 0:01:27]} Kf8 {[%emt 0:00:06] And now ...gxf2+ would win.} 20. fxg3 {[%emt 0:00:40]} Ne7 {[%emt 0:03:51]} 21. O-O {[%emt 0:02:08]} Nf5 {[%emt 0:04:49]} 22. Rbd1 {[%emt 0:06:21]} Rd8 {[%emt 0:00:48][%cal Rg7d4]} 23. Bc4 {[%emt 0:00:59]} h5 {[%emt 0:03:05]} 24. Bb3 {[%emt 0:08:33]} Rh7 {[%emt 0:08:51]} (24... Bf6 $19 25. Rf3 Kg7) 25. Nf4 $2 {[%emt 0:05:00] [#]} (25. Qf4 $17 {was worth a try.}) 25... Bxd4+ {[%emt 0:02:08]} 26. Kh1 {[%emt 0:00:09]} Qc6+ {[%emt 0:02:27] Weighted Error Value: White=0.29 (precise) /Black=0.07 (flawless)} (26... h4 $19 27. Ne6+ fxe6) 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.18"]
[Round "1.6"]
[White "Stolwijk, Colin"]
[Black "De Ruiter, Tom"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2277"]
[BlackElo "2007"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,115,62,76,79,78,0,0,0,31,20,23,0,26,-46,147,35,55,-12,-20,-7,-11,-8,0,-10,0,-48,67,46,55,32,39,0,0,0,0,0,0,0,0,0,0,0,25,0,0,-32,-8,-60,-64,-59,-53,-53,-52,-62,-11,-25,0,0,0,-61,0,-83,-93,-98,-108,-107,-110,-106,-116,-104,-111,-107,-105,-251,-239,-191,-169,-145,18,-29,233,233,233,235,233,230,222,201,185,126,125,138,146,0,0,0,10,0,0,0,0,0,29982,29983,29983,29984,29985,29985]} 1. e4 {[%emt 0:00:04]} d6 {[%emt 0:00:16]} 2. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:10]} 3. Nc3 {[%emt 0:00:05]} c6 {[%emt 0:00:11]} 4. Nf3 {[%emt 0:00:12]} Bg4 {[%emt 0:00:56]} 5. h3 {[%emt 0:01:57]} Bxf3 {[%emt 0:00:51]} 6. Qxf3 {[%emt 0:00:02] B07: Pirc Defence: Miscellaneous Systems.} e6 {[%emt 0:00:47]} 7. e5 {[%emt 0:03:28]} (7. d5 $16) 7... dxe5 $11 {[%emt 0:02:00]} 8. dxe5 {[%emt 0:00:07] [#] The position is equal.} Nfd7 $146 {[%emt 0:00:11]} ({Predecessor:} 8... Nd5 9. Bd2 Nd7 10. Qg3 Qc7 11. f4 Nxc3 12. Bxc3 g6 13. Be2 Qb6 14. O-O-O {1-0 (37) Vareille,F (2417)-Robertson,I (2062) Bucharest 2019}) 9. Bf4 {[%emt 0:01:18]} Qa5 {[%emt 0:02:42]} 10. O-O-O {[%emt 0:11:21]} Bb4 {[%emt 0:05:22]} 11. Ne4 {[%emt 0:04:20]} (11. Bd2 $11) 11... O-O $2 {[%emt 0:06:26]} (11... Qxa2 $15 {stays ahead.} 12. c3 Be7) 12. Kb1 {[%emt 0:19:41]} (12. a3 $16) 12... Nxe5 $14 {[%emt 0:09:45]} 13. Qh5 {[%emt 0:05:14]} (13. Qg3 $14 Ng6 14. Bc7) 13... Ng6 $1 $11 {[%emt 0:02:17]} 14. Qxa5 {[%emt 0:13:32]} (14. Bg5 {is more complex.} Na6 15. Bxa6 bxa6 16. Qe2) 14... Bxa5 {[%emt 0:00:14]} 15. Bd6 $132 {[%emt 0:00:05][%mdl 2048] White has counterplay} Re8 {[%emt 0:07:50]} 16. Nc5 {[%emt 0:05:12]} Bb6 {[%emt 0:00:27]} 17. g3 {[%emt 0:03:31]} (17. Nxb7 $11 {feels stronger.} Bxf2 18. Nc5) 17... Nf8 {[%emt 0:17:22]} (17... Rd8 $15 18. b4 (18. Nxb7 $2 Rd7 $19) 18... Bxc5 19. bxc5 Ne7) 18. Nxb7 $14 {[%emt 0:03:39] 0x0.0016862a1c89dp-1022s more active pieces.} Bxf2 {[%emt 0:00:40]} 19. Rd2 {[%emt 0:00:34]} Bb6 {[%emt 0:02:36]} 20. c4 {[%emt 0:01:48]} a5 {[%emt 0:09:45]} 21. c5 {[%emt 0:04:21]} Ra7 {[%emt 0:04:11]} 22. cxb6 {[%emt 0:01:08]} Rxb7 {[%emt 0:00:11]} 23. Bc7 {[%emt 0:00:08] This bishop pair is nice.} Nfd7 {[%emt 0:01:19]} 24. Ba6 $1 {[%emt 0:03:42]} Nxa6 {[%emt 0:02:15]} 25. Rxd7 {[%emt 0:00:04]} f6 {[%emt 0:08:44]} 26. g4 {[%emt 0:00:57]} (26. Rc1 $5 {[%cal Rc1c6]}) 26... e5 {[%emt 0:01:32]} 27. g5 {[%emt 0:00:45] gxf6 is the strong threat.} fxg5 {[%emt 0:03:45]} 28. Rf1 {[%emt 0:00:46]} (28. Rg1 $11) 28... Nc5 $15 {[%emt 0:02:19]} 29. Rd6 {[%emt 0:01:13]} Ne4 {[%emt 0:00:10]} 30. Rd3 {[%emt 0:00:25]} Nf6 $1 {[%emt 0:02:10]} 31. Rc3 {[%emt 0:02:55]} Re6 {[%emt 0:00:28]} ({Black should try} 31... e4 $15) 32. Rc5 {[%emt 0:00:40]} Ne4 {[%emt 0:00:19]} 33. Rc2 {[%emt 0:00:15]} Nf6 {[%emt 0:01:05]} 34. Rc5 {[%emt 0:00:08]} Ne4 {[%emt 0:00:07]} (34... Nd5 $15 35. Rxa5 Re8) 35. Rxa5 {[%emt 0:10:15]} (35. Rc2 $11 {remains equal.}) 35... Nd2+ $17 {[%emt 0:00:25]} 36. Kc1 {[%emt 0:00:02] Threatening mate with Ra8+.} Nxf1 {[%emt 0:00:09]} 37. Ra8+ {[%emt 0:00:04]} Kf7 {[%emt 0:00:35]} 38. Ra7 {[%emt 0:00:18] [#]} Rxb6 {[%emt 0:02:32]} 39. Bxb6+ {[%emt 0:00:02][%mdl 4096] Endgame KRB-KRN} Kg6 {[%emt 0:04:03]} 40. a4 {[%emt 0:00:07]} e4 {[%emt 0:01:40][%cal Be5e4,Be4e3,Be3e2][%mdl 32]} 41. Kd1 {[%emt 0:00:00]} (41. Bc5 $17) 41... e3 $1 $19 {[%emt 0:00:00]} 42. Ke1 {[%emt 0:00:00]} e2 {[%emt 0:00:00]} 43. Rd7 {[%emt 0:00:00]} h5 $2 {[%emt 0:00:00]} (43... Ne3 $17 {( -> ...Ng2+)} 44. Bxe3 Rxe3) 44. a5 {[%emt 0:00:00]} (44. Rd3 $142) 44... Nh2 $2 {[%emt 0:00:00][%mdl 8192]} (44... Ne3 $1 $11 {and Black has nothing to worry.} 45. Bxe3 Rxe3) 45. Rd3 $18 {[%emt 0:00:00]} g4 {[%emt 0:00:00]} 46. hxg4 {[%emt 0:00:00]} hxg4 {[%emt 0:00:00]} 47. Re3 {[%emt 0:00:00]} Nf3+ {[%emt 0:00:00]} 48. Kxe2 $1 {[%emt 0:00:00]} Rd6 {[%emt 0:00:00]} 49. Rd3 {[%emt 0:00:00] Prevents Rd2+.} (49. Kf2 $18 {Strongly threatening a6.} Nd2 50. a6) 49... Re6+ $16 {[%emt 0:00:00] [#]} 50. Kf2 $1 {[%emt 0:00:00][%mdl 1024] And now a6 would win. White has strong compensation.} Ne5 {[%emt 0:00:00] [#]} 51. Rd8 {[%emt 0:00:00]} (51. Rb3 $1 $16) 51... Nc4 $11 {[%emt 0:00:00]} 52. Rb8 {[%emt 0:00:00] Black must now prevent a6.} Rd6 {[%emt 0:00:00]} 53. b3 {[%emt 0:05:35]} (53. a6 {with more complications.} Rd2+ 54. Kg3 Rxb2 55. a7) 53... Nxb6 {[%emt 0:00:00]} 54. Rxb6 {[%emt 0:00:03]} ({But not} 54. axb6 Rd2+ 55. Kg3 Kg5 $15) 54... Kf5 {[%emt 0:00:00]} 55. a6 {[%emt 0:00:31][%cal Ba5a6,Ba6a7][%mdl 32]} Ke4 $2 {[%emt 0:00:00][%mdl 8192]} (55... Rd2+ $11 56. Kg3 (56. Ke3 Rc2 $11) 56... Rd3+ 57. Kg2 Rd2+ 58. Kg3 Rd3+ 59. Kg2 Rd2+ 60. Kg3) 56. a7 {[%emt 0:01:08] White mates.} Rd2+ {[%emt 0:00:00]} 57. Kg3 {[%emt 0:00:06]} Ra2 {[%emt 0:00:00]} 58. Rb4+ {[%emt 0:00:10][%mdl 64] Skewer. Quite a comeback for White.  Weighted Error Value: White=0.30/Black=0.36} ({Stronger than} 58. Rb7 c5 $11) 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.18"]
[Round "1.7"]
[White "Galje, Hans"]
[Black "De Groote, Ewoud"]
[Result "0-1"]
[ECO "E52"]
[WhiteElo "2007"]
[BlackElo "2245"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,84,23,8,17,0,0,0,27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-90,-79,-60,-85,-122,-111,-110,-106,-106,-100,-106,-80,-63,-22,-22,-22,-22,0,0,0,-70,0,0,0,0,42,-208,-59,-249,-117,-361,-341,-340,-186,-1754,-1358]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:05]} e6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:07]} Bb4 {[%emt 0:00:07]} 4. e3 {[%emt 0:00:17]} d5 {[%emt 0:04:41]} 5. Nf3 {[%emt 0:00:50]} O-O {[%emt 0:00:59]} 6. Bd3 {[%emt 0:00:29]} dxc4 {[%emt 0:04:11]} 7. Bxc4 {[%emt 0:00:08]} b6 {[%emt 0:03:16]} 8. O-O {[%emt 0:02:31]} Bb7 {[%emt 0:01:42]} 9. a3 {[%emt 0:03:05]} Bxc3 {[%emt 0:01:54]} 10. bxc3 {[%emt 0:00:07]} c5 {[%emt 0:08:13] E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6.} 11. a4 {[%emt 0:05:13]} Qc7 {[%emt 0:06:42]} 12. Bd3 {[%emt 0:10:29]} Nbd7 {[%emt 0:11:26] The position is equal.} 13. Qe2 {[%emt 0:10:22]} e5 {[%emt 0:10:38]} 14. Nxe5 {[%emt 0:04:49]} Nxe5 {[%emt 0:08:20]} 15. dxe5 {[%emt 0:00:16]} Qxe5 {[%emt 0:00:13]} 16. Bb2 {[%emt 0:00:26] [#]} Rad8 $146 {[%emt 0:13:26]} ({Predecessor:} 16... Rfe8 17. a5 Qg5 18. g3 Rad8 19. c4 h5 20. axb6 axb6 21. Ra7 Ba8 22. e4 h4 {½-½ (53) Zill,E (2138)-Felkel,S (2176) GER email 2010}) 17. Rad1 {[%emt 0:03:16]} Bc6 {[%emt 0:03:12]} 18. c4 {[%emt 0:09:20]} Qe6 {[%emt 0:01:44]} 19. Bc2 {[%emt 0:12:07]} Rfe8 $40 {[%emt 0:05:32][%mdl 128] Black mounts an attack.} 20. a5 {[%emt 0:09:29]} Ne4 {[%emt 0:03:51]} 21. axb6 {[%emt 0:05:49]} axb6 {[%emt 0:00:01]} 22. Rxd8 {[%emt 0:00:43]} Rxd8 {[%emt 0:00:04]} 23. Rd1 {[%emt 0:00:08] Inhibits Rd2.} Rxd1+ {[%emt 0:04:27]} 24. Qxd1 {[%emt 0:00:23] Threatens to win with Qd8+.} Nd6 {[%emt 0:00:37]} 25. Qh5 {[%emt 0:08:16]} (25. Bd3 $11 {keeps the balance.}) 25... Be4 $17 {[%emt 0:01:56]} 26. Bb3 {[%emt 0:03:37]} (26. Qg5 f6 27. Bxe4 Qxe4 28. Qd5+ Qxd5 29. cxd5 b5 $19) 26... f6 {[%emt 0:00:38]} 27. Qh4 {[%emt 0:02:14]} Bd3 {[%emt 0:00:36]} (27... Nxc4 $6 28. Qg3 $11) 28. h3 {[%emt 0:03:59]} h6 {[%emt 0:01:26][%cal Rd3c4] Black is more active.} ({But not} 28... Nxc4 $6 29. Qg3 $11) 29. Qf4 {[%emt 0:01:34]} Bxc4 {[%emt 0:00:41]} 30. Bc2 {[%emt 0:00:50]} b5 {[%emt 0:01:00]} 31. e4 {[%emt 0:01:17]} b4 {[%emt 0:02:48]} 32. e5 {[%emt 0:00:31]} fxe5 {[%emt 0:00:26]} 33. Bxe5 {[%emt 0:00:05]} Nf7 {[%emt 0:00:43]} 34. Bb2 {[%emt 0:00:53] aiming for Qb8+.} Bb5 {[%emt 0:00:50]} 35. Bf5 {[%emt 0:01:19]} ({White should try} 35. Qg3 $11 g5 36. Bb3) 35... Qd6 {[%emt 0:00:36]} (35... Qe1+ $1 $15 36. Kh2 Qe7) 36. Qg4 $1 $11 {[%emt 0:01:01][%csl Gb2][%cal Rg4g7]} (36. Bh7+ $2 Kxh7 37. Qxf7 Qg6 38. Qxg6+ Kxg6 $19) 36... g5 {[%emt 0:00:08]} (36... Ng5 37. h4 Qd2 38. hxg5 Qxb2 39. Bg6 Qa1+ 40. Kh2 Qe5+ 41. f4) 37. Be6 {[%emt 0:00:43] Black must now prevent Qf5. This bishop pair is nice.} Bd3 {[%emt 0:00:56] Prevents Qf5.} (37... Qd3 $5 {[%cal Rd3b1]} 38. Qh5 Be8 $11) 38. Bc8 $2 {[%emt 0:01:47] [#]} (38. Ba2 $14 {keeps the upper hand.} Bg6 39. Qc8+ Qf8 40. Qe6) 38... c4 {[%emt 0:00:25]} (38... h5 $1 $19 {[%cal Rh5g4]} 39. Qd7 Qxd7 40. Bxd7 c4) 39. Bd4 $2 {[%emt 0:00:17]} ({White has to play} 39. Be6 $1 $15) 39... c3 {[%emt 0:00:29]} (39... h5 $19 40. Qd7 Qxd7 41. Bxd7 Nd6) 40. Bb7 $2 {[%emt 0:00:51]} (40. Be6 $17) 40... c2 $19 {[%emt 0:00:22]} 41. Qc8+ {[%emt 0:00:00]} Qd8 {[%emt 0:00:00]} (41... Kh7 $142 42. Bb2 Bg6) 42. Qc5 {[%emt 0:00:00] [#]} (42. Qxd8+ Nxd8 43. Bd5+ Kf8 44. Bb2) 42... Qxd4 $3 {[%emt 0:00:00][%mdl 512] Weighted Error Value: White=0.54/Black=0.24 (precise)} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.18"]
[Round "1.8"]
[White "Afek, Yochanan"]
[Black "Li-Behn, Tobias"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2210"]
[BlackElo "2000"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,81,62,61,56,57,40,72,54,61,46,157,140,165,83,83,59,84,60,60,60,86,75,85,67,74,82,72,62,79,77,84,80,74,76,102,90,98,57,106,80,566,564,561,558,654,681,646,656,783,761,823,795,1764,1226,29977,6674,29978,5604,5624,5427,1949,1754,29972,29973,29976,29977,29998,29999]} 1. e4 {[%emt 0:00:06]} e5 {[%emt 0:00:25]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:11]} 3. Nc3 {[%emt 0:02:34]} Nf6 {[%emt 0:00:40]} 4. d4 {[%emt 0:00:04]} exd4 {[%emt 0:01:18]} 5. Nxd4 {[%emt 1:30:10]} Nxd4 {[%emt 0:02:38]} 6. Qxd4 {[%emt 0:00:00]} d6 {[%emt 0:00:32]} 7. Bg5 {[%emt 0:00:00]} Be7 {[%emt 0:01:28]} 8. O-O-O {[%emt 0:00:00]} O-O {[%emt 0:03:52]} 9. f3 {[%emt 0:00:00] White is more active. C45: Scotch Game.} Be6 {[%emt 0:04:38]} 10. g4 {[%emt 0:00:00][%cal Bg2g4,Bg4g5][%mdl 32]} a6 {[%emt 0:05:07]} 11. Be3 {[%emt 0:00:00] White is better.} c5 {[%emt 0:01:27]} 12. Qd2 {[%emt 0:00:00]} Qa5 {[%emt 0:05:29] [#]} (12... b5 $14) 13. g5 $146 {[%emt 0:00:00]} ({Predecessor:} 13. Kb1 Kh8 14. g5 Ne8 15. f4 f5 16. exf5 Bxf5 17. Nd5 Qxd2 18. Rxd2 Bd8 19. Bg2 {1-0 (40) Delorme,A (2010)-Rigolot,M (1900) Hyeres 2002}) 13... Nd7 {[%emt 0:01:30] [#]} 14. Nd5 {[%emt 0:00:00]} (14. Kb1 $1 $18) 14... Qxd2+ {[%emt 0:02:24]} 15. Rxd2 {[%emt 0:00:00]} Bxd5 {[%emt 0:00:16]} 16. Rxd5 {[%emt 0:00:00]} b5 {[%emt 0:02:36]} 17. h4 {[%emt 0:00:00]} Rfd8 {[%emt 0:01:43]} 18. Bf4 {[%emt 0:00:00]} Nb6 {[%emt 0:02:58]} 19. Rd2 {[%emt 0:00:00]} Ra7 {[%emt 0:01:18]} 20. Bh3 {[%emt 0:00:00]} d5 {[%emt 0:03:51]} 21. exd5 {[%emt 0:00:00] And now d6 would win.} Rxd5 {[%emt 0:01:51]} 22. Rhd1 {[%emt 0:00:00][%cal Bh1d1,Bd1d2,Bd2d6][%mdl 32]} Rxd2 {[%emt 0:00:56]} 23. Rxd2 {[%emt 0:00:00]} g6 {[%emt 0:01:14]} 24. b3 {[%emt 0:00:00]} c4 {[%emt 0:06:54]} 25. Be3 {[%emt 0:00:00]} Rb7 {[%emt 0:03:38]} 26. f4 {[%emt 0:00:00]} Ba3+ {[%emt 0:04:39]} (26... Rb8 $14) 27. Kd1 {[%emt 0:00:00] Black must now prevent Rd8+.} Bb2 $2 {[%emt 0:00:51][%mdl 8192] This move loses the game for Black.} (27... Rb8 $16 {is tougher.}) 28. Rd6 $18 {[%emt 0:00:00]} cxb3 {[%emt 0:02:42]} 29. axb3 {[%emt 0:00:00]} Na4 {[%emt 0:01:32]} 30. bxa4 {[%emt 0:00:00]} bxa4 {[%emt 0:00:10]} 31. Rxa6 {[%emt 0:00:00]} Bc3 {[%emt 0:04:23]} 32. Rxa4 {[%emt 0:00:00]} Rb1+ {[%emt 0:01:00]} 33. Ke2 {[%emt 0:00:00]} Rh1 {[%emt 0:01:12]} 34. Bg2 {[%emt 0:00:00]} Rxh4 {[%emt 0:00:51]} 35. Ra8+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:02]} 36. Bc5 {[%emt 0:00:00]} (36. Kd3 $142 Rg4 37. Kxc3 Rg3 {[#]} 38. Kd3 $1 h6 39. gxh6+ Kxh6 40. Bd5 Kh5 41. Bxf7) 36... h6 {[%emt 0:01:04]} 37. Kd3 {[%emt 0:00:00]} Bb2 {[%emt 0:01:27]} 38. c3 {[%emt 0:00:00] Threatening mate with Bd4+.} hxg5 {[%emt 0:01:35]} 39. fxg5 {[%emt 0:00:00] White mates.} Rg4 {[%emt 0:01:01]} 40. Bd4+ {[%emt 0:00:00]} f6 {[%emt 0:00:36]} 41. Bxf6+ {[%emt 0:00:00] Weighted Error Value: White=0.13 (very precise) /Black=0.87} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.18"]
[Round "1.9"]
[White "Schilstra, Laurens"]
[Black "Van der Poel, Henk"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "1993"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,73,-25,-29,-19,-31,27,-14,-8,-30,-16,-14,1,-29,34,0,0,-8,53,64,72,77,79,72,57,29,66,30,52,52,96,91,134,123,152,160,187,180,191,173,217,160,294,281,356,351,339,334,412,383,687,680,726,707,800,807,801,750,769,741,691,541]} 1. e4 {[%emt 0:00:06]} c5 {[%emt 0:00:21]} 2. Nf3 {[%emt 0:00:20]} d6 {[%emt 0:01:40]} 3. d4 {[%emt 0:02:05]} cxd4 {[%emt 0:00:10]} 4. Qxd4 {[%emt 0:00:09]} a6 {[%emt 0:02:08]} 5. Bg5 {[%emt 0:03:56]} Nc6 {[%emt 0:01:06]} 6. Qd2 {[%emt 0:00:14]} h6 {[%emt 0:03:51]} 7. Bh4 {[%emt 0:00:55]} g5 {[%emt 0:01:51]} 8. Bg3 {[%emt 0:00:53]} Nf6 {[%emt 0:00:49] B53: Sicilian: 2...d6: Lines with Qxd4.} 9. Nc3 {[%emt 0:00:09]} Nh5 {[%emt 0:00:41]} (9... Be6 $15) 10. Be2 {[%emt 0:05:53]} Bg7 {[%emt 0:03:09] [#] The position is equal.} 11. O-O $146 {[%emt 0:01:29]} ({Predecessor:} 11. Rd1 Nxg3 12. hxg3 O-O 13. Nd5 Be6 14. Nh2 Nd4 15. c3 Nxe2 16. Qxe2 Bxd5 17. Rxd5 {1-0 (41) Polihroniade,E (2210)-Ivanisevic,D Smederevska Palanka 1979}) 11... Nxg3 {[%emt 0:08:09]} 12. hxg3 {[%emt 0:00:20]} O-O {[%emt 0:04:25]} 13. Rab1 {[%emt 0:04:50]} f5 {[%emt 0:04:19]} (13... e6 $11) 14. exf5 {[%emt 0:03:26]} Bxf5 {[%emt 0:00:19]} 15. Rfe1 {[%emt 0:01:31]} e5 {[%emt 0:04:35]} (15... Qd7 $11) 16. Bd3 $14 {[%emt 0:02:57]} Be6 {[%emt 0:03:02]} 17. Be4 {[%emt 0:01:00] Prevents d5.} Qd7 {[%emt 0:07:01]} 18. Rbd1 {[%emt 0:02:04]} Rad8 {[%emt 0:01:54]} 19. Bd5 {[%emt 0:01:45]} Ne7 {[%emt 0:04:15]} 20. Bxe6+ {[%emt 0:03:27]} Qxe6 {[%emt 0:00:03]} 21. Nd5 $1 {[%emt 0:01:36]} Nc6 {[%emt 0:04:54] Black is on the road to losing.} 22. Qe3 {[%emt 0:06:43]} Qg6 {[%emt 0:09:44]} 23. c3 {[%emt 0:12:43] White is more active.} Rf7 {[%emt 0:02:57]} 24. Nd2 {[%emt 0:01:07]} h5 {[%emt 0:04:42]} 25. Ne4 {[%emt 0:01:58]} Bh6 {[%emt 0:00:15]} 26. Qb6 {[%emt 0:00:27] Strongly threatening Nb4.} Rdd7 {[%emt 0:05:05]} 27. a4 {[%emt 0:07:21][%cal Ba2a4,Ba4b5][%mdl 32]} Qe6 {[%emt 0:02:19]} (27... g4 $16 {is a better defense.} 28. Qb3 Rd8) 28. b4 $18 {[%emt 0:05:58]} Rf8 {[%emt 0:10:10]} 29. b5 {[%emt 0:01:46]} axb5 {[%emt 0:03:22]} 30. axb5 {[%emt 0:01:22]} Nd8 {[%emt 0:00:08]} 31. Nc7 {[%emt 0:03:34] Pair of Knights!} Qc4 {[%emt 0:03:14] [#]} (31... Qe7 32. Rxd6 Rxd6 33. Nxd6 h4 34. gxh4 (34. Nxb7 hxg3 35. fxg3 Nxb7 $14) 34... gxh4 35. Nxb7 Rf6) 32. Nd5 {[%emt 0:04:24] White is clearly winning.} Bg7 {[%emt 0:01:47] Against Ndf6+} 33. Qe3 {[%emt 0:02:25]} Ne6 {[%emt 0:00:31]} 34. Nb6 {[%emt 0:00:11]} Qxb5 {[%emt 0:00:10]} 35. Nxd7 {[%emt 0:01:47]} Qxd7 {[%emt 0:00:05]} 36. Rxd6 {[%emt 0:00:23]} Qe7 {[%emt 0:00:45]} 37. Qd3 {[%emt 0:01:00] Weighted Error Value: White=0.10 (very precise) /Black=0.47} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.18"]
[Round "1.10"]
[White "Tan, Kevin"]
[Black "Straat, Evert-Jan"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "2209"]
[BlackElo "1992"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,57,0,16,-64,29,9,21,27,90,0,8,0,29,8,0,-12,2,-26,-11,-40,0,-46,68,70,60,47,54,33,71,65,91,93,95,94,110,99,88,91,171,43,124,130,129,72,144,127,181,185,243,204]} 1. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:17]} 2. c4 {[%emt 0:00:23]} e6 {[%emt 0:00:09]} 3. Nf3 {[%emt 0:00:16]} Nf6 {[%emt 0:00:39]} 4. Bf4 {[%emt 0:01:13]} c5 {[%emt 0:03:36]} 5. Nc3 {[%emt 0:00:45]} a6 {[%emt 0:03:32]} 6. Rc1 {[%emt 0:03:32] D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3.} (6. e3 $11) 6... Nc6 {[%emt 0:11:24]} ({Black should play} 6... cxd4 $15 7. Nxd4 Nbd7) 7. e3 {[%emt 0:03:13]} cxd4 {[%emt 0:07:20]} 8. Nxd4 {[%emt 0:07:11] The position is equal.} Qb6 {[%emt 0:13:49]} (8... Bd7 $11 {remains equal.}) 9. Nb3 {[%emt 0:10:58] [#]} (9. Nxc6 $16 {Strongly threatening Ne5.} bxc6 10. Qc2) 9... Bb4 $146 {[%emt 0:07:16]} ({Predecessor:} 9... Be7 10. cxd5 exd5 11. Be2 Be6 12. O-O O-O 13. a3 Rad8 14. Na4 Qa7 15. Bc7 Rd7 {1-0 (32) Soto Hincapie,E (1683)-Lopez Betancourt,B (1919) Cali 2015}) 10. a3 {[%emt 0:07:05]} Be7 {[%emt 0:11:16]} 11. c5 {[%emt 0:08:26]} Qd8 {[%emt 0:02:29]} 12. Bd3 {[%emt 0:04:51]} e5 {[%emt 0:02:49]} 13. Bg3 {[%emt 0:03:50]} Be6 {[%emt 0:01:17][%cal Of6e4]} 14. O-O {[%emt 0:06:15]} O-O {[%emt 0:07:36][%cal Of6e4]} 15. Bc2 {[%emt 0:05:03] Against Ne4} (15. Qc2 $11) 15... b6 {[%emt 0:10:26]} (15... g6 $15) 16. cxb6 $14 {[%emt 0:02:03]} Qxb6 {[%emt 0:00:10]} 17. Na4 {[%emt 0:00:17]} Qb5 {[%emt 0:01:24] [#]} 18. Nac5 $1 {[%emt 0:00:46] Prevents Ne4.} Bg4 {[%emt 0:01:22]} (18... e4 19. Nxe6) 19. f3 {[%emt 0:00:32]} Bh5 {[%emt 0:00:39]} 20. Bd3 {[%emt 0:01:37] Prevents e4.} Qb6 {[%emt 0:01:33]} 21. Na4 {[%emt 0:00:40] White is more active.} Qb7 {[%emt 0:01:30]} (21... Qxe3+ $2 22. Bf2 Qf4 23. Nb6 $18 (23. Rxc6 Qxa4 24. Qc2 Rab8 $15)) 22. Nbc5 $36 {[%emt 0:00:35][%mdl 2048] Prevents e4. White is in control.} Bxc5 {[%emt 0:03:08]} 23. Nxc5 {[%emt 0:00:39]} Qb6 {[%emt 0:04:25]} (23... Qxb2 $16 24. Qc2 (24. Nxa6 Qb6 $11) 24... Qxc2 25. Bxc2 (25. Rxc2 Bg6 $14) 25... Bg6) 24. b4 {[%emt 0:00:55]} (24. Na4 $18 Qb7 25. Qc2) 24... Bg6 {[%emt 0:00:17]} (24... e4 $1 $14) 25. Be2 $16 {[%emt 0:02:23]} Rfd8 {[%emt 0:00:27]} 26. Bf2 {[%emt 0:03:46]} (26. Na4 $142 Qb7 27. Qd2) 26... d4 {[%emt 0:02:03]} (26... Ne7 $142) 27. e4 {[%emt 0:01:25]} Nd7 {[%emt 0:00:24]} (27... Nb8 $16) 28. Qa4 $18 {[%emt 0:02:45] [#] aiming for Nxd7.} Nxc5 {[%emt 0:01:45]} (28... Nf8 $142 29. Bc4 (29. Bxa6 Ne7 $18) 29... Ra7) 29. Rxc5 {[%emt 0:00:10] Weighted Error Value: White=0.33/Black=0.42} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.19"]
[Round "2.1"]
[White "Zwirs, Nico"]
[Black "Bullen, Alex"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2485"]
[BlackElo "2106"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,62,16,12,39,-6,0,-22,-15,-16,-11,-21,-47,-62,61,-81,0,1,0,0,0,2,39,54,108,115,648,632,652,624,902,895,866,854,758,631,643,636,629,595,581,286,282,279,258,252,409,402,29998,29999,29999]} 1. c4 {[%emt 0:00:02]} e6 {[%emt 0:00:17]} 2. g3 {[%emt 0:00:20]} d5 {[%emt 0:00:10]} 3. Bg2 {[%emt 0:00:10]} Nf6 {[%emt 0:00:10]} 4. Nf3 {[%emt 0:00:21]} d4 {[%emt 0:01:27]} 5. O-O {[%emt 0:00:15]} c5 {[%emt 0:00:06]} 6. e3 {[%emt 0:00:14]} Nc6 {[%emt 0:00:08]} 7. exd4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:09]} 8. d3 {[%emt 0:00:09]} h6 {[%emt 0:02:00] A13: English Opening: 1...e6.} 9. Re1 {[%emt 0:00:52]} Bd6 {[%emt 0:04:05]} 10. Na3 {[%emt 0:00:06]} O-O {[%emt 0:02:33] The position is equal.} 11. Rb1 {[%emt 0:02:54]} Re8 {[%emt 0:05:00] [#]} 12. Bd2 $146 {[%emt 0:07:55]} ({Predecessor:} 12. Nc2 a5 13. a3 e5 14. b4 Qc7 15. b5 Nb8 16. Nfxd4 exd4 17. Rxe8+ Nxe8 18. Nxd4 {0-1 (58) Pantsulaia,L (2553)-Lupulescu,C (2656) Tornelo INT 2021}) 12... e5 {[%emt 0:02:40]} 13. b4 {[%emt 0:00:08]} Bf5 {[%emt 0:05:55]} ({Black should play} 13... a5 $15 14. Nc2 axb4) 14. Rb3 {[%emt 0:06:57]} (14. c5 $14 {stays ahead.} Bc7 15. b5) 14... Qd7 {[%emt 0:08:43]} ({Black should try} 14... a5 $17 {[%cal Ra5b4]} 15. bxa5 Nxa5 16. Bxa5 Rxa5) 15. c5 {[%emt 0:02:29]} Bc7 {[%emt 0:00:38]} 16. Nc4 {[%emt 0:06:01]} e4 {[%emt 0:02:28]} 17. dxe4 {[%emt 0:02:21]} Nxe4 {[%emt 0:04:44]} 18. b5 {[%emt 0:08:47]} Nd8 {[%emt 0:05:32] [#]} (18... Nxd2 $14 19. Rxe8+ Rxe8 20. Qxd2 Ne5 21. Ncxe5 Bxe5) 19. Bb4 $1 $16 {[%emt 0:00:22]} Qxb5 $2 {[%emt 0:18:01][%mdl 8192] This costs Black the game.} (19... Ne6 $16) 20. Nxd4 $18 {[%emt 0:07:35]} Qxc4 {[%emt 0:02:36]} 21. Nxf5 {[%emt 0:00:15]} Nf6 {[%emt 0:07:51]} 22. Rxe8+ {[%emt 0:03:44]} Nxe8 {[%emt 0:00:07]} 23. Bd5 {[%emt 0:19:25]} Qa6 {[%emt 0:00:24]} 24. Qg4 {[%emt 0:02:56] Strongly threatening Re3.} Qf6 {[%emt 0:04:57]} 25. Re3 {[%emt 0:04:00]} Ne6 {[%emt 0:03:20]} 26. Bc3 {[%emt 0:02:48] This bishop pair is nice.} Qg5 {[%emt 0:00:40] [#]} 27. Bxe6 $1 {[%emt 0:04:20]} fxe6 {[%emt 0:01:14]} 28. Qxg5 {[%emt 0:00:05]} hxg5 {[%emt 0:00:11]} 29. Rxe6 {[%emt 0:00:01] Hoping for Re7.} Rd8 $2 {[%emt 0:03:08]} (29... Kf8 30. Kg2 Rd8) 30. Re7 {[%emt 0:01:01]} g6 {[%emt 0:02:30]} (30... Kf8 $18 31. Bxg7+ Nxg7) 31. Nh6+ {[%emt 0:00:18]} Kf8 {[%emt 0:00:05]} 32. Rf7# {[%emt 0:00:04] Weighted Error Value: White=0.40/Black=0.90} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.19"]
[Round "2.2"]
[White "Schagen, Walt"]
[Black "Van Delft, Merijn"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2107"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,140,22,18,0,0,-3,-18,-35,-29,-35,-26,-58,-56,-58,-34,-48,-43,-44,-43,-42,-35,-25,0,-1,0,-26,-18,-14,20,-44,-62,-93,-79,-85,-80,-93,-85,-89,-58,-126,-130,-377,-375,-429,-434,-717,-554,-574,-545,-1590,-1631,-1889,-1378,-1393,-1346,-1043,0,0,892,202,195,-53,-62,-92,-76,-459,-452,-462,-453,-458,-449,-930,-496,-923,-931,-638,-904,-835,-802,-727,-673,-612,-604,-823,-785,-770,-733,-1452,-1264,-1593,-1547,-1346,-1198,-1096,-658,-1133,-1021,-1048,-915,-1751,-1723,-2284,-2533,-2270,-2055,-1876,-1615,-3296,-1710,-29977,-5929,-29981,-29982,-29981,-29982,-29983,-29983,-29985,-29986,-29987,-29988,-29989,-29990,-29990,-29991]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:08]} 2. Nf3 {[%emt 0:00:05]} d6 {[%emt 0:00:17]} 3. d4 {[%emt 0:00:09]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:09]} 5. Nc3 {[%emt 0:00:09]} a6 {[%emt 0:00:07]} 6. h3 {[%emt 0:00:21]} e6 {[%emt 0:03:01]} 7. g4 {[%emt 0:00:17]} Nfd7 {[%emt 0:00:10]} 8. g5 {[%emt 0:04:19]} b5 {[%emt 0:01:36][%cal Bb7b5,Bb5b4][%mdl 32]} 9. Bg2 {[%emt 0:12:28]} Bb7 {[%emt 0:00:12]} 10. O-O {[%emt 0:01:19] B81: Sicilian Scheveningen: Keres Attack.} Nc6 {[%emt 0:04:57] [#]} 11. a4 $146 {[%emt 0:04:31]} ({Predecessor:} 11. Re1 Be7 12. Nxc6 Bxc6 13. Qd4 O-O 14. b3 Bxg5 15. Qxd6 Rc8 16. Bxg5 Qxg5 17. Re3 Rfd8 {0-1 (35) Abdumalik,Z (2478)-Hou,Y (2658) Chess.com INT 2020}) 11... b4 {[%emt 0:04:06]} 12. Nce2 {[%emt 0:04:41] The position is equal.} Nxd4 {[%emt 0:05:50]} 13. Qxd4 {[%emt 0:06:33]} a5 {[%emt 0:01:45]} 14. c3 {[%emt 0:01:00]} Nc5 {[%emt 0:04:44]} 15. Qe3 {[%emt 0:15:28]} (15. cxb4 Nb3 16. Qd3 Nxa1 $17) 15... bxc3 {[%emt 0:11:41]} (15... Nb3 $5 {[%cal Rb3a1]} 16. Rb1 Be7 $15) 16. bxc3 {[%emt 0:05:21]} Be7 {[%emt 0:03:57]} 17. Nd4 {[%emt 0:02:29]} O-O {[%emt 0:03:58]} 18. Rd1 {[%emt 0:01:54]} Ra6 {[%emt 0:08:16]} 19. c4 {[%emt 0:01:06]} Qa8 {[%emt 0:04:51][%cal Rb7e4]} 20. Nb5 $1 {[%emt 0:10:44]} Rc8 {[%emt 0:03:06][%cal Rb7e4] Prevents Nc7.} (20... Nxe4 $2 21. Nc7 Qc8 22. Nxa6 Nxg5 23. Qa7 Nxh3+ 24. Kh2 (24. Bxh3 Qc6 $16) 24... Qxc4 25. Qxb7 $18 (25. Bxb7 Qh4 $11)) 21. f3 {[%emt 0:01:51]} e5 {[%emt 0:06:24]} 22. h4 {[%emt 0:01:36]} Ne6 {[%emt 0:00:38]} 23. Bh3 {[%emt 0:02:27]} (23. Ba3 $11) 23... d5 $15 {[%emt 0:08:30]} 24. Ba3 {[%emt 0:06:27]} (24. exd5 $2 Bc5 25. dxe6 Bxe3+ 26. Bxe3 Rxe6 $19) 24... d4 {[%emt 0:01:48]} 25. Qb3 {[%emt 0:03:33]} Bxa3 {[%emt 0:01:46]} 26. Qxa3 {[%emt 0:02:23][%cal Oc4c5]} Rxc4 {[%emt 0:11:15]} 27. Qe7 {[%emt 0:01:23]} Nf4 {[%emt 0:00:50]} 28. Bf1 {[%emt 0:00:24]} (28. Bf5 $15) 28... Re6 $17 {[%emt 0:02:22]} 29. Qa3 {[%emt 0:03:05]} (29. Qd7 $17 {was the only chance.} Qc8 30. Qxc8+ Rxc8 31. Rdc1) 29... Rcc6 $19 {[%emt 0:00:38]} 30. Rac1 {[%emt 0:00:32]} Qd8 {[%emt 0:00:44] Against Nc7. aiming for ...h6.} 31. Qb3 {[%emt 0:03:03]} (31. Rb1 $142 Ba6 32. Na7) 31... h6 {[%emt 0:02:18][%cal Bh7h6,Bh6g5,Bg5g4][%mdl 32]} 32. Bc4 {[%emt 0:00:14]} hxg5 {[%emt 0:01:54]} 33. h5 {[%emt 0:00:59] [#]} g4 $1 {[%emt 0:01:13]} 34. Bxe6 {[%emt 0:01:51]} Rxe6 {[%emt 0:00:46]} 35. Nxd4 {[%emt 0:00:33] [#]} Qh4 $1 {[%emt 0:01:56]} 36. Nf5 {[%emt 0:01:21] [#]} Qh3 $2 {[%emt 0:00:50]} 37. Rd2 $1 $11 {[%emt 0:00:57]} Ba6 $2 {[%emt 0:01:23][%mdl 8192]} (37... gxf3 $11 38. Qxb7 Ne2+ 39. Rxe2 Qg4+ 40. Kh1 fxe2) 38. Rh2 $2 {[%emt 0:00:55]} (38. Qb8+ Kh7 39. Qf8 Nxh5 40. Rh2 (40. Qxf7 Rf6 $11)) 38... Ne2+ $18 {[%emt 0:00:37] [#]} (38... Qxf3 $2 39. Qb8+ Kh7 40. Qf8 Qe3+ 41. Nxe3 $18) 39. Kh1 $2 {[%emt 0:00:43]} ({White must play} 39. Rxe2 $1 $18 {[%mdl 512] Qb8+ would kill now.} gxf3 40. Rf2 Qg4+ 41. Kh1 Qxe4 {[#]} 42. Nxg7 $1 (42. Rxf3 $2 Be2 $19) (42. Qxf3 Qxf3+ 43. Rxf3 Bb7 $16) 42... Kxg7 43. Rg1+ (43. Rxf3 $2 Rf6 $19) (43. Qxf3 $2 Qxf3+ 44. Rxf3 Bb7 $19) 43... Kf6 44. Rxf3+ (44. Qxf3+ Qxf3+ 45. Rxf3+ Ke7 $16) 44... Ke7 45. Rg7 Qh4+ 46. Kg2 Qxh5 47. Rgxf7+ (47. Rfxf7+ Qxf7 48. Rxf7+ Kxf7 $16) 47... Qxf7 48. Rxf7+ Kxf7 49. Kf3) 39... Qxf3+ $40 {[%emt 0:00:23][%mdl 128] White needs to defend precisely.} 40. Qxf3 {[%emt 0:00:11]} gxf3 {[%emt 0:00:05] Dancing on a razor blade.} 41. Rf1 {[%emt 0:01:12][%mdl 8192]} (41. h6 $17 {is more resistant.} gxh6 42. Rc7) 41... Bd3 $19 {[%emt 0:00:00]} 42. Rh4 {[%emt 0:00:00]} Nf4 {[%emt 0:00:00]} 43. Rf2 {[%emt 0:00:00]} Bxe4 {[%emt 0:00:00]} 44. Nd4 {[%emt 0:00:00]} (44. Ng3 $142 Bc6 45. Kg1) 44... Rb6 {[%emt 0:00:00]} 45. Kh2 {[%emt 0:00:00]} (45. Kg1 $142 Rb4 46. Rd2) 45... exd4 {[%emt 0:00:00]} 46. Rxf4 {[%emt 0:00:00][%mdl 4096] Endgame KRR-KRB} f5 {[%emt 0:00:00]} 47. Kg3 {[%emt 0:00:00]} d3 {[%emt 0:00:00]} 48. Rh4 {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 49. Kf4 {[%emt 0:00:13]} Rb1 {[%emt 0:00:00]} 50. h6 {[%emt 0:02:14]} gxh6 {[%emt 0:00:00] Threatens to win with ...Kg7.} 51. Ke5 {[%emt 0:00:35]} Rb6 {[%emt 0:00:00]} 52. Rfh2 {[%emt 0:00:46]} Kg7 {[%emt 0:00:00] White must now prevent ...Rc6.} 53. R4h3 {[%emt 0:00:30]} Kf7 {[%emt 0:00:00]} 54. Rd2 {[%emt 0:01:09]} Re6+ {[%emt 0:00:00]} 55. Kd4 {[%emt 0:00:32]} Kg6 {[%emt 0:00:20]} 56. Rdh2 {[%emt 0:00:23]} Kg7 {[%emt 0:01:10] Hoping for ...Rc6.} 57. Ke3 {[%emt 0:01:33]} Rg6 {[%emt 0:00:18] And now ...Rg2 would win.} 58. Rd2 {[%emt 0:00:45]} Rg2 {[%emt 0:01:01]} 59. Rh2 {[%emt 0:00:26]} Kg6 {[%emt 0:00:39] ...Kg5 is the strong threat.} 60. Kf4 {[%emt 0:00:08]} h5 {[%emt 0:01:13][%cal Bh6h5,Bh5h4,Bh4h3,Bh3h2][%mdl 32]} 61. Rb2 {[%emt 0:00:06]} Bc6 {[%emt 0:01:14]} 62. Ke3 {[%emt 0:01:00]} h4 {[%emt 0:01:00] Strongly threatening ...Kg5.} 63. Kxd3 {[%emt 0:01:50]} Kg5 {[%emt 0:00:18] ( -> ...Rxh2)} 64. Kd4 {[%emt 0:00:25]} Rxb2 {[%emt 0:01:32] Black mates.} 65. Rxb2 {[%emt 0:00:05] KR-KB} Kf4 {[%emt 0:00:07]} 66. Ra2 {[%emt 0:01:28]} h3 {[%emt 0:00:23]} 67. Kc5 {[%emt 0:00:10]} Be4 {[%emt 0:00:29]} 68. Kd4 {[%emt 0:00:05]} Kg3 {[%emt 0:00:36]} 69. Ke3 {[%emt 0:00:05]} h2 {[%emt 0:00:23]} 70. Ra1 {[%emt 0:00:11]} f2 {[%emt 0:00:07] Black used his chance.  Weighted Error Value: White=1.02/Black=0.29 (precise)} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.19"]
[Round "2.3"]
[White "Bosboom, Manuel"]
[Black "Bogaard, Milo"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2381"]
[BlackElo "2079"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,71,-31,-19,-43,-18,-52,-48,-76,-95,-94,-35,-33,-39,-65,-72,-89,-55,-48,-31,-63,-37,-81,-80,-78,-81,-77,-67,-105,-106,-112,-97,-97,-92,-86,-70,-73,-94,-114,-99,-170,-172,-172,-178,-173,17,0,0,0,0,0,41,48,36,53,116,66,203,148,131,115,618,601,29977,5510]} 1. Nf3 {[%emt 0:00:27]} c5 {[%emt 0:00:16]} 2. b3 {[%emt 0:01:31]} Nf6 {[%emt 0:01:45]} 3. Bb2 {[%emt 0:00:51]} g6 {[%emt 0:02:35]} 4. e4 {[%emt 0:08:24][%cal Be2e4,Be4e5][%mdl 32]} Bg7 {[%emt 0:02:37]} 5. e5 {[%emt 0:06:48]} Nd5 {[%emt 0:03:07]} 6. h4 {[%emt 0:14:53] A05: Réti Opening: 1 Nf3 Nf6.} d6 {[%emt 0:20:01]} 7. h5 {[%emt 0:06:44]} Bg4 {[%emt 0:06:41] [#]} 8. Bc4 $146 {[%emt 0:09:54] Black is slightly better.} ({Predecessor:} 8. Bb5+ Nc6 9. hxg6 hxg6 10. Rxh8+ Bxh8 11. Qe2 Bxf3 12. Qxf3 Bxe5 13. Bxe5 dxe5 14. Na3 {1-0 (41) Peng,S (2390)-Ikeda,J (2437) Paracin 2018}) 8... e6 {[%emt 0:16:46]} 9. Nc3 {[%emt 0:21:22]} Nxc3 {[%emt 0:08:30]} ({Black should try} 9... Bxe5 $17 {White must now prevent ...Nf4.} 10. hxg6 hxg6 11. Rxh8+ Bxh8) 10. Bxc3 $15 {[%emt 0:04:14]} dxe5 {[%emt 0:06:20]} 11. h6 {[%emt 0:03:23]} Bf6 {[%emt 0:00:16]} 12. Qe2 {[%emt 0:01:03]} Nc6 {[%emt 0:06:57]} 13. Bb5 {[%emt 0:00:49]} Qd5 {[%emt 0:04:09]} 14. Qe3 {[%emt 0:01:32]} Bxf3 {[%emt 0:01:23]} 15. gxf3 {[%emt 0:00:20]} Ke7 {[%emt 0:01:39]} 16. Bxc6 {[%emt 0:01:10]} Qxc6 {[%emt 0:03:18]} (16... bxc6 17. O-O-O $11) 17. Rg1 {[%emt 0:02:26]} Rhd8 {[%emt 0:03:47]} 18. Rg4 {[%emt 0:03:10]} Rd5 {[%emt 0:02:15]} 19. Re4 {[%emt 0:02:06]} Rad8 {[%emt 0:00:21]} 20. O-O-O {[%emt 0:00:17]} b5 {[%emt 0:00:37][%cal Bb7b5,Bb5b4][%mdl 32]} (20... Bh8 {seems wilder.} 21. Bxe5 Rxe5 22. Rxe5 Bxe5 23. Qxe5 Qd5) 21. d3 {[%emt 0:02:13]} b4 {[%emt 0:00:43]} 22. Bb2 {[%emt 0:00:15]} a5 {[%emt 0:00:18][%cal Ba7a5,Ba5a4][%mdl 32]} 23. Re1 {[%emt 0:00:47]} a4 {[%emt 0:00:45]} 24. f4 {[%emt 0:02:06] [#]} (24. Bxe5 $17 Rxe5 25. Rxe5 Bxe5 26. Qxe5) 24... exf4 $1 $19 {[%emt 0:02:47]} (24... axb3 25. fxe5 bxa2 26. exf6+ Kf8 27. Re5 $11) 25. Bxf6+ {[%emt 0:00:02]} Kxf6 {[%emt 0:00:07]} 26. Rxf4+ {[%emt 0:01:00]} ({But not} 26. Qxf4+ Ke7 27. Qh4+ g5) 26... Rf5 $2 {[%emt 0:02:17]} (26... Ke7 $19 {...Qd6 is the strong threat.} 27. Qf3 f5) 27. Qe5+ {[%emt 0:01:56]} Ke7 {[%emt 0:00:07]} 28. Rxf5 {[%emt 0:00:05]} gxf5 {[%emt 0:00:05]} 29. Qxf5 {[%emt 0:01:06]} axb3 $11 {[%emt 0:00:42][%mdl 4096] [#] Endgame aiming for ...Rd5. KQR-KQR} 30. Qg5+ {[%emt 0:00:47]} ({Of course not} 30. cxb3 Rd5 31. Qxh7 Rh5 $11) 30... Ke8 {[%emt 0:00:30]} 31. axb3 {[%emt 0:00:10]} Qd6 {[%emt 0:03:25]} (31... Qd5 $14 32. Qg8+ Ke7 33. Qxh7 Qg5+ 34. Kb1 Qf6) 32. Re4 {[%emt 0:01:38]} ({White should play} 32. Re5 $16) 32... Qa6 {[%emt 0:00:47]} ({Better is} 32... Qe7 $14 33. Qg8+ Kd7 34. Qxh7 Qg5+ 35. Kd1 Qh5+ 36. Kd2 Qf3) 33. Qxc5 {[%emt 0:01:52] Hoping for Rg4.} Rc8 {[%emt 0:00:29]} 34. Qd4 {[%emt 0:00:48] And now Rf4 would win. White is much more active.} Qa3+ $2 {[%emt 0:00:21][%mdl 8192]} (34... Qa2 $16 35. Qb2 (35. Qh8+ Kd7 $16) 35... Qxb2+ 36. Kxb2 Rb8) 35. Kd2 $18 {[%emt 0:00:34] White threatens Qh8+ and mate.} Qa2 {[%emt 0:00:45]} 36. Qh8+ {[%emt 0:00:12] White used his chance.  Weighted Error Value: White=0.17 (very precise) /Black=0.72} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.19"]
[Round "2.4"]
[White "Pronk, Sven"]
[Black "Blom, Vincent"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2105"]
[BlackElo "2325"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,70,0,0,6,38,-35,-28,-41,-24,-121,-115,-120,-117,-115,-108,-107,-106,-105,-71,-173,-158,-181,-110,-113,-102,-127,-134,-155,-130,-141,-156,-153,-145,-204,-196,-203,-203,-200,-140,-193,-125,-125,-125,-184,-167,-219,-175,-243,-243,-243,-238,-233,-229,-239,-220,-357,-348,-366,-362,-375,-352,-29987,-29988]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:02:28]} 2. Bg5 {[%emt 0:00:13]} e6 {[%emt 0:00:23]} 3. e4 {[%emt 0:00:06]} h6 {[%emt 0:01:29]} 4. Bxf6 {[%emt 0:00:13]} Qxf6 {[%emt 0:00:16]} 5. Nc3 {[%emt 0:00:05]} Bb4 {[%emt 0:07:26]} 6. Qd3 {[%emt 0:00:17] A45: Trompowsky Attack.} e5 {[%emt 0:14:48] [#]} 7. d5 $146 {[%emt 0:08:20]} (7. dxe5 $14 Qxe5 8. Nge2) ({Predecessor:} 7. dxe5 Qxe5 8. Nge2 b6 9. O-O-O Ba6 10. Qd5 Qxd5 11. Nxd5 Bd6 12. Nd4 Kd8 13. f4 Re8 {½-½ (34) Sorm,D (2319)-Melia,S (2473) Caleta 2015}) 7... O-O {[%emt 0:12:10]} 8. Nf3 {[%emt 0:07:31] Black has an edge.} d6 {[%emt 0:08:04]} 9. Rg1 {[%emt 0:07:25]} (9. a3 $11 {keeps the balance.} Ba5 10. Be2) 9... Nd7 $17 {[%emt 0:05:31]} 10. Qe3 {[%emt 0:13:28]} Bc5 {[%emt 0:07:16]} 11. Qd2 {[%emt 0:00:50]} a6 {[%emt 0:01:11]} 12. Be2 {[%emt 0:07:12]} b5 {[%emt 0:06:32]} 13. g4 {[%emt 0:04:51]} Qf4 {[%emt 0:02:21]} 14. g5 {[%emt 0:11:21] [#]} (14. Qxf4 $17 exf4 15. a3) 14... hxg5 $1 $19 {[%emt 0:04:17]} 15. Rxg5 {[%emt 0:03:53]} Qxd2+ {[%emt 0:01:51]} (15... b4 $19 16. Qxf4 exf4) 16. Nxd2 $17 {[%emt 0:01:22]} Nf6 {[%emt 0:01:43]} 17. Bf3 {[%emt 0:09:16]} g6 {[%emt 0:02:51]} 18. Ke2 {[%emt 0:01:27]} Kg7 {[%emt 0:00:12]} 19. h4 {[%emt 0:05:34]} Rh8 {[%emt 0:01:48]} 20. Rh1 {[%emt 0:00:23]} Bd7 {[%emt 0:03:56]} 21. Nd1 {[%emt 0:09:38]} (21. Rgg1 $17) 21... Rh6 $19 {[%emt 0:01:26]} 22. Rg2 {[%emt 0:04:50]} Rah8 {[%emt 0:00:32]} 23. Rgh2 {[%emt 0:00:01]} Kf8 {[%emt 0:00:51][%cal Og6g5]} 24. Ne3 {[%emt 0:02:34]} (24. Nf1 $17) 24... Bxe3 {[%emt 0:02:20]} (24... g5 $19 {[%cal Rg5h4]} 25. Bg2 Rh5) 25. Kxe3 $17 {[%emt 0:00:36]} g5 {[%emt 0:00:06]} 26. Nf1 {[%emt 0:01:22]} (26. h5 $17) 26... gxh4 {[%emt 0:01:14]} 27. Ke2 {[%emt 0:00:22]} (27. Be2 {was called for.}) 27... c6 {[%emt 0:01:00]} 28. Ne3 {[%emt 0:00:37]} (28. dxc6 $142 Bxc6 29. Ne3) 28... cxd5 $19 {[%emt 0:00:13]} 29. Nxd5 {[%emt 0:00:29]} Nxd5 {[%emt 0:00:41]} 30. exd5 {[%emt 0:00:00]} Bf5 {[%emt 0:01:25] Against Be4} 31. Rc1 {[%emt 0:00:27]} Ke7 {[%emt 0:00:48]} 32. c4 {[%emt 0:01:02]} (32. Ke3 {was necessary.}) 32... Rc8 {[%emt 0:00:09]} 33. b3 {[%emt 0:00:06]} h3 {[%emt 0:00:34]} 34. Kd2 {[%emt 0:00:15]} Rh4 {[%emt 0:00:18]} 35. cxb5 {[%emt 0:00:32] [#]} (35. Be2 $19) 35... Rd4+ {[%emt 0:00:08] Weighted Error Value: White=0.57/Black=0.14 (very precise)} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.19"]
[Round "2.5"]
[White "Van Baar, Esper"]
[Black "Brouwer, Rein"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2281"]
[BlackElo "2076"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,106,28,16,18,13,7,9,19,18,19,28,28,20,32,6,15,0,0,0,10,8,11,0,53,0,0,0,10,0,34,33,24,0,0,0,9,0,33,-24,-25,-25,-30,-18,0,0,0,0,0,-1,-8,-16,-8,-8,-12,-34,-15,-31,-40,-52,-41,-73,0,-42,-39,-36,0,-166,-171,-234,-235,-268,-277,-413,-399,-379,-381,-372,-369,-389,-368,-364,-366,-350,-327,-762,-428,-420,-422,-568,-414,-415,-411,-2005,-1720,-29983,-29984,-29995,-29996]} 1. e4 {[%emt 0:00:21]} c6 {[%emt 0:00:16]} 2. Nc3 {[%emt 0:00:07]} d5 {[%emt 0:00:12]} 3. Nf3 {[%emt 0:00:39]} dxe4 {[%emt 0:00:26]} 4. Nxe4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:28]} 5. Qe2 {[%emt 0:00:22]} Nxe4 {[%emt 0:00:14]} 6. Qxe4 {[%emt 0:00:15]} Qa5 {[%emt 0:00:53] B11: Caro-Kann: Two Knights Variation.} 7. c3 {[%emt 0:02:34]} Bf5 {[%emt 0:00:28]} 8. Qf4 {[%emt 0:02:44]} e6 {[%emt 0:00:22] The position is equal.} 9. d4 {[%emt 0:01:02]} Nd7 {[%emt 0:00:56]} 10. Be2 {[%emt 0:04:00]} Be7 {[%emt 0:00:54]} 11. O-O {[%emt 0:01:49]} O-O {[%emt 0:02:50]} 12. a4 {[%emt 0:06:23] [#]} Nf6 $146 {[%emt 0:03:20]} ({Predecessor:} 12... Bg6 13. b4 Qd5 14. Rd1 Bf6 15. Qg3 Qb3 16. Bd2 e5 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. Qxe5 {½-½ (78) Brunello,M (2379)-Mkrtchyan,M (2093) Iasi 2021}) 13. b4 {[%emt 0:10:27]} Qd8 {[%emt 0:00:56]} 14. a5 {[%emt 0:00:44]} Bd6 {[%emt 0:13:57]} (14... Nd5 $5 15. Qd2 Bd6 $11) 15. Qd2 {[%emt 0:03:50]} Qc7 {[%emt 0:12:02]} 16. Qb2 {[%emt 0:02:25]} Nd5 {[%emt 0:03:56]} (16... b5 $11) 17. g3 {[%emt 0:01:48]} (17. c4 $14) 17... b5 $11 {[%emt 0:04:41]} 18. Re1 {[%emt 0:08:40]} Bg4 {[%emt 0:05:55]} 19. Bd2 {[%emt 0:03:01]} h5 {[%emt 0:01:08]} 20. Kg2 {[%emt 0:03:03]} Rfe8 {[%emt 0:04:53]} 21. Bd3 {[%emt 0:08:53]} Bxf3+ {[%emt 0:09:30]} 22. Kxf3 {[%emt 0:00:06]} e5 {[%emt 0:00:23]} 23. Kg2 {[%emt 0:00:54]} Rab8 {[%emt 0:04:50]} 24. Re2 {[%emt 0:03:39]} (24. Rac1 $14) 24... exd4 {[%emt 0:01:15]} 25. cxd4 {[%emt 0:03:10]} Rxe2 {[%emt 0:04:14]} 26. Bxe2 {[%emt 0:00:14] A strong pair of Bishops.} Qe7 {[%emt 0:01:07][%csl LRb4,LRe2]} 27. Bxh5 {[%emt 0:01:35]} Bxb4 {[%emt 0:02:23]} 28. Re1 {[%emt 0:03:31]} Qd6 {[%emt 0:00:38]} 29. Bxb4 {[%emt 0:00:50]} Nxb4 {[%emt 0:02:00]} 30. Qb3 {[%emt 0:10:01] Against Nd3} Qd5+ {[%emt 0:01:52]} 31. Qxd5 {[%emt 0:00:28]} Nxd5 {[%emt 0:01:20][%mdl 4096] Endgame KRB-KRN} 32. Bd1 {[%emt 0:00:41]} Kf8 {[%emt 0:02:48]} 33. Bb3 {[%emt 0:00:33]} Rd8 {[%emt 0:00:19] White must now prevent ...Ne7.} 34. Re4 {[%emt 0:02:08]} Nc3 {[%emt 0:02:00]} 35. Rf4 {[%emt 0:16:57] [#]} Nd5 {[%emt 0:00:22] Black is more active.} (35... Rd7 $1 $17 {aiming for ...Ne2.} 36. Kf3 Nd5) 36. Rh4 {[%emt 0:00:00]} Ke7 {[%emt 0:01:01]} 37. Re4+ {[%emt 0:00:00]} Kf8 {[%emt 0:04:17]} 38. Kf3 $2 {[%emt 0:00:00] White is now going downhill.} (38. Rh4 $11) 38... Nf6 $19 {[%emt 0:00:14]} 39. Rf4 {[%emt 0:00:00] [#]} (39. Rh4 $142) 39... c5 $1 {[%emt 0:00:50][%cal Bc6c5,Bc5c4][%mdl 32]} 40. Ke2 {[%emt 0:01:57]} c4 {[%emt 0:00:47]} ({Weaker is} 40... cxd4 41. g4 $11) (40... Rxd4 41. Rxd4 cxd4 42. Kd3 $16) 41. Ba2 {[%emt 0:00:00]} (41. Bd1 {was necessary.}) 41... Nd5 {[%emt 0:00:00]} 42. Rf3 {[%emt 0:00:00] Prevents Nc3+.} Nb4 {[%emt 0:00:00]} 43. Bb1 {[%emt 0:00:00]} Rxd4 {[%emt 0:00:00]} 44. Bg6 {[%emt 0:00:00]} Rd7 {[%emt 0:00:00]} 45. Bf5 {[%emt 0:00:00]} Re7+ {[%emt 0:00:00]} 46. Kd2 {[%emt 0:00:00]} Nd5 {[%emt 0:00:00]} 47. Bc8 $2 {[%emt 0:00:00]} (47. Bc2) 47... b4 {[%emt 0:00:00][%cal Bb5b4,Bb4b3][%mdl 32]} 48. Ba6 {[%emt 0:00:00]} Re4 {[%emt 0:00:00]} 49. Rf5 {[%emt 0:00:00]} Rd4+ {[%emt 0:00:00]} 50. Kc1 {[%emt 0:00:00]} b3 {[%emt 0:00:00] ...c3 is the strong threat.} 51. Rf3 {[%emt 0:02:18]} (51. Bxc4 $142 Rxc4+ 52. Kb2) 51... c3 {[%emt 0:00:00]} 52. Bd3 {[%emt 0:03:34]} Nb4 {[%emt 0:00:28]} 53. Be2 {[%emt 0:00:39]} Na2+ {[%emt 0:01:07] Weighted Error Value: White=0.54/Black=0.17 (very precise)} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.19"]
[Round "2.6"]
[White "Labruyere, Roger"]
[Black "Stolwijk, Colin"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2070"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,121,15,21,24,15,17,-15,-9,-46,5,6,0,-52,-28,-25,-22,-35,-41,-30,6,-18,-29,-129,-24,-25,32,-54,-41,-50,-51,-35,-52,-46,-56,-33,66,0,41,31,90,79,69,77,129,118,152,151,179,166,151,165,293,128,114,129,216,94,251,246,266,246,263,248,310,317,321,322,308,309,294,286,409,401,438,507,506,501,490,474,471,418,386,68,109,45,97,0,0,0,0,0,0,0,0,0,1140,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:45]} c6 {[%emt 0:00:05]} 2. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:05]} 3. e5 {[%emt 0:00:02]} Bf5 {[%emt 0:00:07]} 4. Nd2 {[%emt 0:00:08]} e6 {[%emt 0:00:17]} 5. Nb3 {[%emt 0:00:03]} Nd7 {[%emt 0:00:16]} 6. Nf3 {[%emt 0:00:06]} Qc7 {[%emt 0:00:27] B12: Caro-Kann: Advance Variation.} 7. Be2 {[%emt 0:03:01]} c5 {[%emt 0:00:22] [#]} 8. Be3 $146 {[%emt 0:01:52]} ({Predecessor:} 8. dxc5 Bxc5 9. Nxc5 Qxc5 10. c3 Ne7 11. Be3 Qc7 12. Nd4 Nxe5 13. Nb5 Qd7 14. Nxa7 {0-1 (28) So,W (2775)-Keymer,V (2675) Chess.com INT 2022}) 8... c4 {[%emt 0:03:46]} 9. Nc1 {[%emt 0:07:02]} h6 {[%emt 0:03:07]} (9... O-O-O $15) 10. O-O $11 {[%emt 0:00:10]} Ne7 {[%emt 0:01:11]} 11. Nh4 {[%emt 0:06:06]} (11. a4 $11) 11... Be4 {[%emt 0:02:40]} 12. f3 {[%emt 0:02:25]} Bh7 {[%emt 0:06:02]} 13. f4 {[%emt 0:00:12] Against g5} O-O-O {[%emt 0:04:44]} 14. c3 {[%emt 0:05:38]} Nc6 {[%emt 0:07:37]} 15. b3 {[%emt 0:14:46]} Be7 {[%emt 0:00:06]} 16. Bf2 {[%emt 0:00:17]} (16. Nf3 $11 {remains equal.}) 16... Ba3 {[%emt 0:03:43]} ({Black should play} 16... g5 $1 $17 {[%cal Rg5h4]} 17. Nf3 gxf4) 17. Qd2 {[%emt 0:02:54]} b5 {[%emt 0:00:26]} (17... Nb6 $11) 18. f5 {[%emt 0:07:11]} ({Only move:} 18. Bg4 $1 $14) 18... exf5 $15 {[%emt 0:04:38] Threatens to win with ...g5.} 19. Bg3 {[%emt 0:00:22]} f4 {[%emt 0:00:42]} 20. Bxf4 {[%emt 0:02:29][%cal Oe5e6] Strongly threatening e6!} g5 {[%emt 0:00:40]} 21. e6 $1 {[%emt 0:00:08]} gxf4 {[%emt 0:01:29]} 22. exd7+ {[%emt 0:00:05]} Kb7 {[%emt 0:05:16]} (22... Kxd7 23. Bg4+ Ke8 24. Ne2 $14 (24. bxc4 dxc4 25. Bf5 Be7 $16)) (22... Qxd7 $15 23. Rxf4 Rdg8) 23. bxc4 {[%emt 0:13:33]} (23. Bg4 $14) 23... bxc4 {[%emt 0:00:39]} (23... dxc4 $5 {[%cal Ra3e7]} 24. Rxf4 Be7 $11) 24. Bg4 {[%emt 0:08:45]} Rhg8 {[%emt 0:15:35]} (24... Be7 $14 25. Nf5 h5 26. Nxe7 Nxe7) 25. Bf5 $1 $16 {[%emt 0:01:41]} Bxf5 {[%emt 0:00:32]} 26. Nxf5 {[%emt 0:00:02]} Qxd7 {[%emt 0:04:14]} (26... Ne7 $142 27. Nxh6 Rg7) 27. Qxf4 {[%emt 0:00:13]} Ka8 {[%emt 0:06:56]} 28. Ne2 {[%emt 0:01:18]} Rde8 {[%emt 0:01:33]} 29. Qf3 {[%emt 0:02:14] Hoping for Ne3.} ({Stronger than} 29. Nxh6 Bd6 30. Qd2 (30. Qxf7 Qxf7 31. Rxf7 Rg6 $17) 30... Qh3 $11) 29... Rg6 {[%emt 0:01:51]} 30. Rae1 {[%emt 0:06:37]} Re4 {[%emt 0:10:24]} (30... Rf6 $142 31. Qh5 Ree6) 31. Neg3 {[%emt 0:01:10]} (31. Ne3 $18 {has better winning chances.}) 31... Rxe1 {[%emt 0:00:15]} 32. Rxe1 {[%emt 0:00:02] Black must now prevent Ne3.} Re6 {[%emt 0:01:05]} (32... Rf6 $16) 33. Re2 {[%emt 0:02:26]} (33. Ne3 $18) 33... Rxe2 $2 {[%emt 0:07:01]} (33... Rf6 $16 {is a better defense.}) 34. Nxe2 $18 {[%emt 0:01:08] Pair of Knights!} ({Not} 34. Qxe2 Bc1 $14) 34... Qe6 {[%emt 0:04:14]} 35. Ne3 {[%emt 0:00:58]} Ne7 {[%emt 0:00:43]} 36. Nf4 {[%emt 0:01:05]} Qe4 {[%emt 0:01:20]} 37. Qxe4 {[%emt 0:04:42]} ({Less strong is} 37. Nfxd5 Qxf3 38. gxf3 Nxd5 39. Nxd5 Kb7 $16) 37... dxe4 {[%emt 0:00:02]} 38. Nxc4 {[%emt 0:00:11][%mdl 4096] Endgame KBN-KNN} Bc1 {[%emt 0:00:07] [#]} 39. Ne2 {[%emt 0:00:47]} Bg5 {[%emt 0:00:07]} 40. Ng3 {[%emt 0:01:13]} Nd5 {[%emt 0:05:33]} (40... f5 {was necessary.} 41. Nd6 Bd2 42. Ndxf5 Nxf5 43. Nxf5 Bxc3) 41. Nxe4 {[%emt 0:01:32]} f5 {[%emt 0:00:00]} 42. Nxg5 {[%emt 0:00:00]} hxg5 {[%emt 0:00:00] KN-KN} 43. Nd6 {[%emt 0:00:00]} Nxc3 {[%emt 0:00:00]} 44. Nxf5 {[%emt 0:00:00]} Nxa2 {[%emt 0:00:00]} 45. Kf2 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 46. Nd6 {[%emt 0:00:00]} (46. Kf3 $18) 46... a4 {[%emt 0:00:00]} 47. Nc4 {[%emt 0:00:00]} (47. Ke3 $16) 47... Kb7 $14 {[%emt 0:00:00]} 48. Nb2 {[%emt 0:00:00]} ({White should try} 48. Na3 $16 Nc3 49. Ke3) 48... Nc3 $11 {[%emt 0:00:00] And now ...a3 would win.} 49. Nxa4 Nxa4 {[%emt 0:00:00] KN-K3P} 50. Kf3 {[%emt 0:00:00] Kg4 is the strong threat.} Kc6 {[%emt 0:00:00]} 51. Kg4 {[%emt 0:00:00]} Kd5 {[%emt 0:00:00]} 52. Kxg5 {[%emt 0:00:00]} Kxd4 $2 {[%emt 0:00:00][%mdl 8192] [#] KN-KPP} (52... Ke6 $11) 53. h4 $2 {[%emt 0:00:00]} (53. Kf5 $1 $18 Kc5 54. h4) 53... Ke5 {[%emt 0:00:00] The position is equal.} 54. g4 {[%emt 0:00:00]} Nc5 {[%emt 0:00:00]} 55. Kg6 {[%emt 0:00:00]} Ne6 {[%emt 0:00:00]} 56. g5 {[%emt 0:00:00]} Nf4+ {[%emt 0:00:00]} 57. Kh6 {[%emt 0:00:00]} Kf5 {[%emt 0:00:20]} 58. h5 {[%emt 0:00:00]} Ne6 {[%emt 0:00:12]} 59. g6 {[%emt 0:00:00] g7 would kill now.} Kf6 {[%emt 0:00:06] Against g7} 60. Kh7 {[%emt 0:00:00]} Nf8+ {[%emt 0:00:16]} 61. Kg8 {[%emt 0:00:00] Weighted Error Value: White=0.38/Black=0.29 (precise)} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.19"]
[Round "2.7"]
[White "De Groote, Ewoud"]
[Black "Berrevoets, Jeroen"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2245"]
[BlackElo "2064"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,100,14,0,0,9,10,13,0,4,0,9,0,0,14,8,0,14,0,8,8,8,8,6,-10,20,21,18,17,64,58,38,43,38,47,60,31,38,39,35,-13,25,0,0,0,12,-79,-79,-71,-71,-97,-79,-77,-70,-104,-96,-101,-17,-95,-9,-32,-36,-269,-261,-276,-303,-263,-303,-300,-262,-286,-269,-223,-224,-328,-320,-320,-312,-277,-287,-458,-447,-410,-304,-435,-465,-714,-717,-685,-667,-610,-621,-528,-479]} 1. e4 {[%emt 0:00:05]} e6 {[%emt 0:00:26]} 2. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:04]} 3. Nd2 {[%emt 0:00:27]} c5 {[%emt 0:00:19]} 4. exd5 {[%emt 0:00:30]} Qxd5 {[%emt 0:00:09]} 5. dxc5 {[%emt 0:01:32]} Nf6 {[%emt 0:01:21]} 6. Ngf3 {[%emt 0:02:31] C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} Qxc5 {[%emt 0:01:01]} 7. Bd3 {[%emt 0:04:48]} Be7 {[%emt 0:00:10]} 8. Qe2 {[%emt 0:04:31] The position is equal.} Nbd7 {[%emt 0:02:09]} 9. O-O {[%emt 0:06:41]} O-O {[%emt 0:03:11]} 10. Ne4 {[%emt 0:11:28]} Nxe4 {[%emt 0:07:45]} 11. Qxe4 {[%emt 0:00:08][%csl Gd3][%cal Re4h7] [#]} Nf6 {[%emt 0:03:30]} 12. Qh4 {[%emt 0:04:47]} Rd8 {[%emt 0:04:48]} 13. Be3 {[%emt 0:03:00] [#]} Qh5 $146 {[%emt 0:09:39]} ({Predecessor:} 13... Qb4 14. Bd4 e5 15. Bxe5 Qxh4 16. Nxh4 Ng4 17. Nf3 Nxe5 18. Nxe5 Be6 19. Rfe1 Bf6 {1-0 (71) Rudolf,A (2313)-Rapport,J (2341) Pozarevac 2009}) 14. Qxh5 {[%emt 0:02:30]} Nxh5 {[%emt 0:00:02]} 15. Rfd1 {[%emt 0:02:16]} Nf6 {[%emt 0:01:59][%cal Bh5f6,Bf6d5,Bd5f4][%mdl 32]} 16. a4 {[%emt 0:12:36]} h6 {[%emt 0:03:39]} 17. c3 {[%emt 0:05:27]} Nd5 {[%emt 0:02:32]} 18. Bd4 {[%emt 0:00:45]} a6 {[%emt 0:09:50]} (18... Bd7 $11) 19. Ne5 $14 {[%emt 0:05:35][%cal Bf3e5,Be5c4,Bc4a5][%mdl 32]} Nf4 {[%emt 0:03:38]} 20. Bf1 {[%emt 0:00:27]} f6 {[%emt 0:02:54]} 21. Nc4 {[%emt 0:02:02]} e5 {[%emt 0:04:14]} 22. Bb6 {[%emt 0:07:00]} (22. Nb6 $5 {[%cal Rd4e5]} Bg4 23. Nxa8 Bxd1 24. Rxd1 $14) 22... Rxd1 {[%emt 0:03:53]} 23. Rxd1 {[%emt 0:00:07]} Be6 {[%emt 0:00:42]} 24. f3 {[%emt 0:12:39]} (24. Nd6 $14 {might be stronger.}) 24... Rc8 {[%emt 0:01:35]} (24... Nd5 $5 {[%cal Rd5b6]} 25. Bf2 b5 26. axb5 axb5 $11) 25. Na5 {[%emt 0:00:36]} Nd5 {[%emt 0:03:40]} 26. Bf2 {[%emt 0:00:30]} b6 {[%emt 0:02:47]} 27. c4 {[%emt 0:06:15]} (27. Bc4 $11 {remains equal.}) 27... Nc3 $1 $17 {[%emt 0:02:25]} ({Of course not} 27... bxa5 28. cxd5 Rd8 29. Bc4 $11) 28. bxc3 {[%emt 0:00:14]} bxa5 {[%emt 0:00:01]} 29. Bb6 {[%emt 0:00:12]} Bc5+ {[%emt 0:04:50]} 30. Bxc5 {[%emt 0:00:07]} Rxc5 {[%emt 0:00:02][%mdl 4096] Endgame KRB-KRB} 31. Rd8+ {[%emt 0:03:36]} Kf7 {[%emt 0:00:41]} 32. Bd3 {[%emt 0:00:42]} Ke7 {[%emt 0:04:32]} ({Black should play} 32... Bxc4 $17 {aiming for ...Ke7.} 33. Be4 Be6) 33. Rb8 {[%emt 0:00:56]} (33. Ra8 $1 $11 {keeps the balance.}) 33... Kd7 {[%emt 0:03:55]} (33... Bxc4 $17 34. Rb7+ Kd6) 34. Rb6 {[%emt 0:01:10]} Rc6 {[%emt 0:02:42]} 35. c5 {[%emt 0:00:39] This move loses the game for White.} ({Better is} 35. Rb7+ $15 Rc7 36. Rb6) 35... Rxb6 $19 {[%emt 0:00:30]} ({Weaker is} 35... Rxc5 36. Rxa6 Ke7 37. Bb5 $11) 36. cxb6 {[%emt 0:00:01] KB-KB} Kc6 {[%emt 0:00:10]} 37. Bxa6 {[%emt 0:00:13]} Kxb6 {[%emt 0:00:06]} 38. Bb5 {[%emt 0:00:26]} Kc5 {[%emt 0:00:30] White must now prevent ...Bc4.} 39. Kf2 {[%emt 0:00:56]} Bc4 {[%emt 0:01:05]} 40. Be8 {[%emt 0:00:40]} Bd5 {[%emt 0:07:40]} 41. Bb5 {[%emt 0:00:00]} (41. Ke2 $142) 41... Bc6 {[%emt 0:00:00]} 42. c4 {[%emt 0:00:00]} Bb7 {[%emt 0:00:00]} 43. Ke3 {[%emt 0:00:00]} Bc8 {[%emt 0:00:00]} 44. g3 {[%emt 0:00:00]} (44. Kd3 $142) 44... Be6 {[%emt 0:00:00]} 45. Kd3 {[%emt 0:00:00]} Bf5+ {[%emt 0:00:00]} 46. Kc3 {[%emt 0:00:00]} (46. Ke3 {is a better defense.}) 46... g5 {[%emt 0:00:00] [#] Threatens to win with ...Bh3. Black is clearly winning.} 47. Be8 {[%emt 0:00:00]} (47. g4 $142 Bc8 48. Kd3) 47... Bh3 {[%emt 0:00:00]} 48. Bf7 {[%emt 0:01:37]} Bg2 {[%emt 0:00:00]} 49. Bd5 {[%emt 0:00:19]} Bf1 {[%emt 0:00:00]} 50. Be4 {[%emt 0:01:02]} Be2 {[%emt 0:10:24] Weighted Error Value: White=0.37/Black=0.10 (very precise)} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.19"]
[Round "2.8"]
[White "Theulings, Paul-Peter"]
[Black "Afek, Yochanan"]
[Result "1/2-1/2"]
[ECO "E65"]
[WhiteElo "2056"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,119,44,36,47,36,29,38,25,37,47,39,47,48,36,27,29,0,0,0,0,0,0,0,25,14,25,25,121,122,122,122,139,135,133,131,135,105,120,108,115,91,187,186,188,184,183,183,183,183,224,215,330,302,337,300,281,208,307,235,257,252,253,253,396,393,502,19,20,0,0,0,0,0,0,0,0,0,8,8,8,8,11,29,88,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8]} 1. Nf3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:31]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:33]} 3. g3 {[%emt 0:00:10]} Bg7 {[%emt 0:00:05]} 4. Bg2 {[%emt 0:00:09]} O-O {[%emt 0:00:16]} 5. d4 {[%emt 0:00:13]} c5 {[%emt 0:01:12]} 6. O-O {[%emt 0:00:58]} Nc6 {[%emt 0:01:34]} 7. Nc3 {[%emt 0:00:42]} d6 {[%emt 0:04:02]} 8. dxc5 {[%emt 0:00:16]} dxc5 {[%emt 0:00:06]} 9. Bf4 {[%emt 0:00:09]} Nh5 {[%emt 0:03:44]} 10. Be3 {[%emt 0:00:12]} Nd4 {[%emt 0:04:08] 10...b6 is the fancy move.} 11. Qd2 {[%emt 0:00:39]} Bg4 {[%emt 0:02:44] E65: King's Indian: Fianchetto: 6...c5 7 0-0 without d5 by White.} 12. Rfd1 {[%emt 0:00:56][%cal Rf3d4,Bf1d1,Bd1d2,Bd2d7][%mdl 32] was the old line (12.Rad1).} Bxf3 {[%emt 0:04:22]} 13. Bxf3 {[%emt 0:00:41]} (13. exf3 {feels hotter.} e5 14. b4 cxb4 15. Nd5) 13... Nxf3+ {[%emt 0:01:42] White is slightly better.} 14. exf3 {[%emt 0:00:08]} Qxd2 {[%emt 0:01:14]} 15. Rxd2 {[%emt 0:00:06]} Bxc3 {[%emt 0:00:40]} 16. bxc3 {[%emt 0:00:07]} b6 {[%emt 0:02:04]} 17. Rd7 {[%emt 0:01:10]} Rfe8 {[%emt 0:11:38]} 18. Rad1 {[%emt 0:02:54]} Ng7 {[%emt 0:23:06]} 19. Rb7 {[%emt 0:11:09]} Nf5 {[%emt 0:00:34]} 20. Bf4 {[%emt 0:00:48] [#] Inhibits Nd6.} e5 $146 {[%emt 0:07:26]} ({Predecessor:} 20... f6 21. Rdd7 g5 22. Bc7 Kf7 23. g4 Nh4 24. f4 Ke6 25. Rd3 gxf4 26. Bxf4 Rad8 {½-½ (47) Trofimov,P (2157)-Gnusarev,P (2270) Cheliabinsk 2021}) 21. Bg5 {[%emt 0:05:47]} h6 {[%emt 0:00:26]} 22. Bf6 {[%emt 0:03:57]} Re6 {[%emt 0:00:44]} (22... Kf8 {keeps more tension.} 23. Rdd7 Re6 24. Rxf7+ Kg8) 23. Rxa7 {[%emt 0:03:19]} Rf8 {[%emt 0:06:07]} (23... Rxa7 $2 {gets mated.} 24. Rd8+) (23... Rae8 $1 $11 24. Rd8 Nd6) 24. Bd8 $36 {[%emt 0:01:29][%mdl 2048] White is in control.} Nd6 {[%emt 0:19:57]} 25. Be7 {[%emt 0:09:46]} ({Reject} 25. Bxb6 $6 Nc8 $11) 25... Nc8 {[%emt 0:00:01]} 26. Bxf8 {[%emt 0:00:11] White is much more active. The black rooks are badly placed.} Nxa7 {[%emt 0:00:02]} 27. Bxh6 {[%emt 0:14:44][%mdl 4096] Endgame KRB-KRN} Nc6 {[%emt 0:00:01] Prevents Rd8+.} 28. Bg5 {[%emt 0:05:27]} Kg7 {[%emt 0:00:25]} 29. Bd8 {[%emt 0:01:40]} Na5 {[%emt 0:00:07]} 30. g4 {[%emt 0:01:43]} Nxc4 {[%emt 0:02:00]} (30... f6 $16) 31. g5 $18 {[%emt 0:00:21]} Kf8 {[%emt 0:01:17]} 32. Bf6 {[%emt 0:01:31]} Nd6 {[%emt 0:01:08]} 33. Rd5 {[%emt 0:01:47]} e4 {[%emt 0:00:16]} 34. f4 {[%emt 0:12:23]} Ne8 {[%emt 0:00:29]} 35. Rd8 {[%emt 0:00:25]} Rd6 {[%emt 0:00:41]} (35... e3 {was called for.} 36. fxe3 Rxe3) 36. a4 {[%emt 0:01:03]} Re6 {[%emt 0:00:50]} 37. Be5 {[%emt 0:02:22]} Ke7 {[%emt 0:00:35]} 38. Rb8 {[%emt 0:00:15]} Rc6 {[%emt 0:00:34]} (38... f6 $142) 39. Kf1 {[%emt 0:02:57]} Nd6 {[%emt 0:00:07]} 40. Bxd6+ {[%emt 0:04:27]} Rxd6 {[%emt 0:00:03] KR-KR} 41. Rb7+ {[%emt 0:00:33]} Ke6 {[%emt 0:00:01]} (41... Kf8 $142 42. Ke2 Kg7) 42. Ke2 {[%emt 0:00:18]} f5 {[%emt 0:02:04]} 43. gxf6 $2 {[%emt 0:01:24] [#]} ({White should try} 43. c4 $18) 43... Kxf6 $11 {[%emt 0:00:09]} 44. Ke3 {[%emt 0:00:55]} Kf5 {[%emt 0:00:26]} 45. Rf7+ {[%emt 0:00:36]} Ke6 {[%emt 0:00:13]} 46. Rf8 {[%emt 0:04:53]} Rd3+ {[%emt 0:00:00]} 47. Kxe4 {[%emt 0:00:00]} Rxc3 {[%emt 0:00:00]} 48. Re8+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 49. Rb8 {[%emt 0:00:00] Black should prevent Rb7+.} Rb3 {[%emt 0:00:00]} 50. Ke5 {[%emt 0:00:00] [#] And now a5 would win.} Rb4 {[%emt 0:00:00]} 51. Rb7+ {[%emt 0:00:00]} Kf8 {[%emt 0:00:00]} (51... Kg8 $1 $11) 52. h4 {[%emt 0:00:00]} (52. f5 $16 gxf5 53. f4 (53. Kxf5 Rxa4 54. f4 Ra2 $16)) 52... Rxa4 {[%emt 0:00:00] The position is equal.} 53. Rxb6 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 54. Rc6 {[%emt 0:00:00]} c4 {[%emt 0:00:00]} 55. Rc8 {[%emt 0:00:00]} Ra5+ {[%emt 0:00:00]} 56. Ke4 {[%emt 0:00:00]} Rh5 {[%emt 0:00:00]} 57. Rxc4 {[%emt 0:00:00]} Rxh4 {[%emt 0:00:00]} 58. Rc7+ {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 59. Rc6+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 60. Kf3 {[%emt 0:14:39] Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.24 (precise) /Black=0.22 (precise)} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.19"]
[Round "2.9"]
[White "Duson, Robin"]
[Black "Tan, Kevin"]
[Result "1/2-1/2"]
[ECO "D22"]
[WhiteElo "2027"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,54,27,17,13,10,23,24,16,41,50,47,45,54,60,50,11,11,11,14,13,13,14,16,-20,-12,-29,-47,-143,-86,-85,-75,-127,-67,-96,-12,-11,-15,-10,-13,-25,-21,-24,-17,-27,-15,-21,-16]} 1. d4 {[%emt 0:00:05]} d5 {[%emt 0:00:09]} 2. c4 {[%emt 0:00:07]} dxc4 {[%emt 0:00:06]} 3. Nf3 {[%emt 0:00:40]} a6 {[%emt 0:07:56]} 4. e3 {[%emt 0:05:21]} b5 {[%emt 0:01:46]} 5. a4 {[%emt 0:01:16]} Bb7 {[%emt 0:00:52]} 6. axb5 {[%emt 0:04:28] D22: Queen's Gambit Accepted: 3 Nf3 a6 4 e3.} axb5 {[%emt 0:00:17]} 7. Rxa8 {[%emt 0:00:09]} Bxa8 {[%emt 0:00:05]} 8. b3 {[%emt 0:00:48] White has an edge.} c5 {[%emt 0:15:13]} 9. bxc4 {[%emt 0:06:05]} b4 {[%emt 0:00:43] [#]} 10. Nbd2 $146 {[%emt 0:02:50]} ({But not} 10. dxc5 Qxd1+ 11. Kxd1 Na6 $11) ({Predecessor:} 10. d5 e6 11. e4 Bb7 12. Nbd2 Nd7 {0-1 (12) Pech,J (1883)-Herzog,A (2142) LSS email 2017}) 10... Nd7 {[%emt 0:01:43]} 11. Qa4 {[%emt 0:08:19]} e6 {[%emt 0:06:36]} 12. Ne5 {[%emt 0:07:35] Strongly threatening Nxd7.} Ngf6 {[%emt 0:01:10]} 13. Nb3 {[%emt 0:02:04]} Bd6 {[%emt 0:11:27]} 14. Nxd7 {[%emt 0:03:00]} Nxd7 {[%emt 0:02:03]} 15. dxc5 {[%emt 0:01:10]} Be5 {[%emt 0:01:18]} 16. Qxb4 {[%emt 0:05:32][%cal Oc5c6]} O-O $1 {[%emt 0:02:48]} 17. Nd4 {[%emt 0:07:32]} Qe7 {[%emt 0:05:00]} 18. Nb5 {[%emt 0:04:59]} (18. Ke2 $15) 18... Nxc5 {[%emt 0:08:58]} (18... Rd8 $142 $1 19. Be2 Qg5) 19. Ba3 $17 {[%emt 0:00:43]} Rc8 {[%emt 0:00:34][%cal Oa8g2][%mdl 1024] Black has strong compensation.} 20. Qa5 {[%emt 0:04:28] [#]} ({White should play} 20. Qd2) 20... g6 {[%emt 0:11:22]} (20... Bb7 $1 $17 21. Qb6 Rc6) 21. h4 {[%emt 0:04:12] [#]} Be4 {[%emt 0:03:36]} (21... Bb7 $1 $17 {Hoping for ...Ra8.} 22. f3 Bg3+ 23. Kd1 Bxh4) 22. Qb6 $11 {[%emt 0:02:19]} Rc6 {[%emt 0:01:31]} 23. Qa5 {[%emt 0:05:57] aiming for Qa8+.} Qd7 {[%emt 0:01:27]} 24. Qd2 {[%emt 0:04:49]} Nd3+ {[%emt 0:04:00]} 25. Bxd3 {[%emt 0:00:51]} Qxd3 {[%emt 0:00:27]} 26. Qxd3 {[%emt 0:02:28]} Bxd3 {[%emt 0:00:08] This bishop pair is nice.} 27. Kd2 {[%emt 0:01:52]} Bxc4 {[%emt 0:00:14] Weighted Error Value: White=0.15 (very precise) /Black=0.16 (very precise)} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.19"]
[Round "2.10"]
[White "Honkoop, Gilian"]
[Black "Kumar, Prajit Sai"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2205"]
[BlackElo "2040"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,112,2,2,0,4,0,18,-8,2,2,0,-24,-7,-14,-18,-18,0,-47,-44,-49,-11,-11,-22,-17,0,-11,0,-47,-31,-64,-62,-166,-141,-133,-118,-121,-125,-160,-158,-164,-165,-165,-148,-162,-168,-162,-162,-162,-162,-162,-162,-162,-162,-162,-136,-182,-72,-118,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 {[%emt 0:00:02]} c6 {[%emt 0:01:02]} 2. d4 {[%emt 0:00:31]} d5 {[%emt 0:00:28]} 3. Nf3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:08]} 4. Qc2 {[%emt 0:00:12]} g6 {[%emt 0:00:37]} 5. Bf4 {[%emt 0:00:06]} dxc4 {[%emt 0:00:22]} 6. Qxc4 {[%emt 0:00:58] D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Be6 {[%emt 0:00:34]} 7. Qc1 {[%emt 0:08:41]} Bd5 {[%emt 0:01:09]} 8. Nbd2 {[%emt 0:01:34]} Nbd7 {[%emt 0:04:07][%cal Oc6c5,Bb8d7,Bd7c5,Bc5e4][%mdl 32]} 9. Qc2 {[%emt 0:05:20] Prevents c5. Black must now prevent e4.} Qa5 {[%emt 0:03:01]} 10. a3 {[%emt 0:13:41]} c5 {[%emt 0:00:58] Inhibits b4.} 11. dxc5 {[%emt 0:00:03]} Qxc5 {[%emt 0:00:18]} 12. Qxc5 {[%emt 0:00:09]} Nxc5 {[%emt 0:00:14] [#]} 13. b4 $146 {[%emt 0:03:59]} (13. e4 $11 {feels stronger.} Nfxe4 14. Bb5+ Bc6 15. Nxe4 Nxe4 16. Bxc6+ bxc6 17. O-O) ({Predecessor:} 13. e3 Bg7 14. Bb5+ Nfd7 15. O-O-O a6 16. Bxd7+ Nxd7 17. e4 Ba2 18. Nb1 Rc8+ 19. Nc3 Bxc3 20. bxc3 {0-1 (33) Martinovici,I (2367)-Volkov,S (2572) Sochi 2019}) 13... Nce4 $15 {[%emt 0:15:55]} 14. Be5 {[%emt 0:00:58]} Bg7 {[%emt 0:02:58][%cal Oe4f2] Hoping for ...Nxf2!} 15. Nxe4 {[%emt 0:01:20]} Bxe4 {[%emt 0:01:48]} 16. Nd4 {[%emt 0:03:34]} O-O {[%emt 0:19:29]} 17. f3 {[%emt 0:00:20]} Bc6 {[%emt 0:02:10]} 18. e4 {[%emt 0:06:13]} (18. Nxc6 $11 bxc6 19. e4) 18... Rac8 {[%emt 0:03:07]} 19. b5 {[%emt 0:15:18]} Bd7 {[%emt 0:01:56]} 20. Bd3 {[%emt 0:02:28]} (20. Nb3 $15) 20... Rc5 {[%emt 0:08:02]} 21. f4 {[%emt 0:03:44]} Nh5 {[%emt 0:08:08] aiming for ...f6.} 22. Bxg7 {[%emt 0:00:56]} Kxg7 {[%emt 0:02:14]} 23. O-O {[%emt 0:01:11] [#]} Nxf4 $1 {[%emt 0:03:45][%mdl 512]} 24. Rxf4 {[%emt 0:11:15]} e5 $1 {[%emt 0:00:07][%csl LRd4,LRf4]} 25. Nb3 {[%emt 0:01:14]} Rc3 {[%emt 0:00:13]} 26. Rf3 {[%emt 0:00:35] Strongly threatening Be2.} Rxb3 {[%emt 0:00:14]} 27. Bc4 {[%emt 0:00:02]} Rxf3 {[%emt 0:01:29]} 28. gxf3 $19 {[%emt 0:00:01][%mdl 4096] Endgame KRB-KRB} Rc8 {[%emt 0:03:08]} 29. Rd1 {[%emt 0:00:09]} Bh3 {[%emt 0:01:58]} 30. Bd5 {[%emt 0:00:57]} Rc7 {[%emt 0:00:28]} 31. a4 {[%emt 0:01:01]} Kf6 {[%emt 0:01:35]} 32. a5 {[%emt 0:01:01]} (32. b6 $17 axb6 33. Rb1) 32... Be6 {[%emt 0:01:24]} (32... Rc5 $19 {has better winning chances.} 33. b6 Rxa5 34. bxa7 Be6) 33. Bxe6 $17 {[%emt 0:01:22]} Kxe6 {[%emt 0:00:07] KR-KR} ({Black should try} 33... fxe6 34. b6 axb6 35. axb6 Rc6) 34. Rd8 {[%emt 0:00:02]} Rc5 {[%emt 0:03:15]} 35. Ra8 {[%emt 0:00:04]} Rxb5 {[%emt 0:00:23]} 36. Rxa7 {[%emt 0:00:04]} Kf6 {[%emt 0:06:56]} 37. Kg2 {[%emt 0:00:45]} h5 {[%emt 0:02:34]} 38. Kg3 {[%emt 0:02:04]} Kg5 {[%emt 0:01:22] Threatens to win with ...h4+.} 39. h4+ {[%emt 0:00:07]} Kf6 {[%emt 0:00:48]} 40. a6 {[%emt 0:00:11]} bxa6 {[%emt 0:00:05]} 41. Rxa6+ {[%emt 0:00:06]} Kg7 {[%emt 0:00:00]} 42. Rc6 {[%emt 0:00:00]} Rb7 {[%emt 0:00:00]} 43. Rc5 {[%emt 0:00:00]} Re7 {[%emt 0:00:00]} 44. Ra5 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} (44... Kf6 $17) 45. exf5 $11 {[%emt 0:00:00] The position is equal.} gxf5 {[%emt 0:00:00]} 46. f4 {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 47. Ra6+ {[%emt 0:00:00]} Re6 {[%emt 0:00:00]} 48. fxe5+ {[%emt 0:00:00]} Kxe5 {[%emt 0:00:00]} 49. Ra5+ {[%emt 0:00:00]} Ke4 {[%emt 0:00:00]} 50. Ra4+ {[%emt 0:00:00]} Ke3 {[%emt 0:00:00][%cal Of5f4]} 51. Ra3+ {[%emt 0:00:00]} Ke4 {[%emt 0:00:00]} 52. Ra4+ {[%emt 0:00:00]} Ke5 {[%emt 0:00:00]} 53. Ra5+ {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 54. Ra4 {[%emt 0:00:00]} Rb6 {[%emt 0:00:00]} 55. Kf4 {[%emt 0:00:00]} Rc6 {[%emt 0:00:00]} 56. Rb4 {[%emt 0:00:00]} Re6 {[%emt 0:09:54] White happily takes the draw.  Weighted Error Value: White=0.07 (flawless) /Black=0.09 (flawless)} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.20"]
[Round "3.1"]
[White "Duchene, Rene"]
[Black "Zwirs, Nico"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2137"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,105,24,24,10,35,19,21,26,31,25,30,42,48,20,27,11,15,0,0,0,0,0,0,0,0,-8,0,-30,92,10,173,167,116,135,167,162,283,66,300,313,312,284,287,284,283,279,328,306,325,316,291,242,303,296,398,393,362,279,335,326,452,408,409,405,398,348,249,285,272,272,272,267,272,269,416,377,437,427,273,0,66,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 {[%emt 0:00:08]} d5 {[%emt 0:00:07]} 2. d4 {[%emt 0:00:19]} Nf6 {[%emt 0:00:15]} 3. c4 {[%emt 0:00:04]} e6 {[%emt 0:00:09]} 4. e3 {[%emt 0:00:16]} c6 {[%emt 0:07:33]} 5. Nbd2 {[%emt 0:01:19]} Nbd7 {[%emt 0:06:51]} 6. Bd3 {[%emt 0:00:42]} Be7 {[%emt 0:00:06]} 7. O-O {[%emt 0:00:07]} O-O {[%emt 0:00:04]} 8. b3 {[%emt 0:05:18] is the legacy move (8.e4).} b6 {[%emt 0:00:37]} 9. Bb2 {[%emt 0:00:16] D30: Queen's Gambit Declined: Systems without Nc3.} dxc4 {[%emt 0:00:11]} 10. Nxc4 {[%emt 0:01:25]} c5 {[%emt 0:03:39]} 11. Qe2 {[%emt 0:05:43]} Bb7 {[%emt 0:01:07]} 12. Rfd1 {[%emt 0:00:37]} Qc7 {[%emt 0:00:38]} 13. Rac1 {[%emt 0:06:52]} Rfd8 {[%emt 0:06:32]} 14. Nfe5 {[%emt 0:07:59]} Rac8 {[%emt 0:07:06]} 15. Nxd7 {[%emt 0:05:26]} Nxd7 {[%emt 0:17:28] [#]} 16. dxc5 $146 {[%emt 0:01:58]} ({Predecessor:} 16. e4 cxd4 17. Bxd4 b5 18. Ne3 Qxc1 19. Rxc1 Rxc1+ 20. Nf1 Nc5 21. Bxc5 Bxc5 22. Qb2 {0-1 (51) Roos,T-Feibert,F Wittlich 1983}) 16... Nxc5 {[%emt 0:00:47]} 17. Qg4 {[%emt 1:00:31][%csl Gb2][%cal Rg4g7]} Bf8 {[%emt 0:06:30]} 18. Ne5 {[%emt 0:00:00] Hoping for b4.} Qe7 {[%emt 0:02:42]} 19. Bb1 $40 {[%emt 0:00:00][%mdl 128] White attacks.} g6 {[%emt 0:03:52]} 20. Qf4 {[%emt 0:00:00]} Bg7 {[%emt 0:01:03]} 21. h4 {[%emt 0:00:00]} h6 {[%emt 0:10:12]} (21... f6 $11 22. Nf3 Rxd1+ 23. Rxd1 e5 24. Qc4+ Kh8) 22. Bd4 {[%emt 0:00:00] White is more active.} ({White should try} 22. Rxd8+ $1 $16 Rxd8 23. b4) 22... Nd7 $2 {[%emt 0:05:50]} (22... a5 $11 {and Black has nothing to worry.}) 23. Rxc8 $18 {[%emt 0:00:00]} Rxc8 {[%emt 0:03:31] [#]} 24. Nxf7 {[%emt 0:00:00][%cal Be5f7,Bf7h6,Bh6f5][%mdl 544] aiming for Bxg7.} e5 {[%emt 0:02:17]} (24... g5 25. Qd6) 25. Nxh6+ {[%emt 0:00:00]} Kh7 {[%emt 0:03:27] [#]} (25... Bxh6 $142 26. Qxh6 exd4) 26. Qg3 $2 {[%emt 0:00:00]} Nf8 {[%emt 0:01:07]} (26... Rc6 $14) 27. Nf5 $1 {[%emt 0:00:00]} gxf5 {[%emt 0:01:51]} 28. Bxf5+ {[%emt 0:00:00]} Kh8 {[%emt 0:00:57] Strongly threatening ...Rd8.} 29. Bxc8 {[%emt 0:00:00]} Bxc8 {[%emt 0:00:01]} 30. Bb2 {[%emt 0:00:00]} Bf5 {[%emt 0:01:15]} 31. Qg5 {[%emt 0:00:00]} Qxg5 {[%emt 0:01:29]} 32. hxg5 {[%emt 0:00:00]} Kh7 {[%emt 0:00:39]} 33. f4 {[%emt 0:00:00]} Nd7 {[%emt 0:01:34]} 34. Rd5 {[%emt 0:00:31]} Be6 {[%emt 0:01:49]} 35. Rd6 {[%emt 0:00:10]} Bg4 {[%emt 0:00:01]} 36. g3 {[%emt 0:00:58]} Bf8 {[%emt 0:01:33]} 37. Rc6 {[%emt 0:00:43]} a5 {[%emt 0:02:13]} 38. Kf2 {[%emt 0:00:43]} Nc5 {[%emt 0:01:31]} 39. Bxe5 {[%emt 0:01:36]} Nd3+ {[%emt 0:00:06]} 40. Kf1 {[%emt 0:00:20]} Nxe5 {[%emt 0:00:23]} 41. fxe5 {[%emt 0:00:06]} Bc5 {[%emt 0:00:53]} 42. Kf2 {[%emt 0:02:04][%cal Oa2a3] Inhibits Bf3. a3! is the strong threat.} Kg7 {[%emt 0:00:00]} 43. Rf6 {[%emt 0:00:00]} Bh5 {[%emt 0:00:00]} 44. a3 {[%emt 0:00:00]} Bxa3 {[%emt 0:00:00]} (44... b5 $142 45. Ra6 Bxa3 46. Rxa5 b4 47. Ra7+ Kf8) 45. Rxb6 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 46. Rb7+ {[%emt 0:00:00]} Kg6 {[%emt 0:00:00] [#]} 47. e4 $2 {[%emt 0:00:00]} (47. g4 $1 $18 {[%cal Rg4h5]} Bxg4 48. Kg3) 47... Bc5+ {[%emt 0:00:00]} (47... Kxg5 $11 48. e6 Kf6) 48. Ke1 {[%emt 0:00:00]} (48. Kg2 $14) 48... Bf3 $11 {[%emt 0:00:00] The position is equal.} 49. Kd2 {[%emt 0:00:00] Black must now prevent Kd3.} Bxe4 {[%emt 0:00:00]} 50. Rb5 {[%emt 0:00:00]} Bb4+ {[%emt 0:00:00]} 51. Ke3 {[%emt 0:00:00]} Bc2 {[%emt 0:00:00]} 52. Kd4 {[%emt 0:00:00]} Bxb3 {[%emt 0:00:00]} 53. Rxb4 {[%emt 0:00:00] Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.33/Black=0.42} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.20"]
[Round "3.2"]
[White "Van Delft, Merijn"]
[Black "Baarslag, Ed"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2383"]
[BlackElo "2161"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,125,23,23,9,8,12,4,12,27,18,25,10,15,10,13,19,12,11,11,16,21,19,24,20,43,37,43,31,35,26,23,5,37,17,40,0,0,-31,0,-8,25,16,19,0,0,0,0,0,12,18,18,13,69,19,47,19,19,19,19,13,27,9,32,8,27,24,20,25,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,11,0,0,0,378,362,337,0,175,8,8,8,8,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,4562,4132,543,461]} 1. e4 {[%emt 0:00:05]} c6 {[%emt 0:00:28]} 2. d4 {[%emt 0:00:10]} d5 {[%emt 0:00:06]} 3. e5 {[%emt 0:00:06]} Bf5 {[%emt 0:00:22]} 4. Nd2 {[%emt 0:00:10]} e6 {[%emt 0:00:21]} 5. Nb3 {[%emt 0:00:11]} a6 {[%emt 0:00:30]} 6. Nf3 {[%emt 0:10:56] B12: Caro-Kann: Advance Variation.} c5 {[%emt 0:00:47]} 7. Nxc5 {[%emt 0:00:58]} Bxc5 {[%emt 0:00:09]} 8. dxc5 {[%emt 0:00:07] The position is equal.} Qa5+ {[%emt 0:00:08]} 9. c3 {[%emt 0:00:34]} Qxc5 {[%emt 0:00:11]} 10. Nd4 {[%emt 0:02:57] Threatens to win with Be3.} Ne7 {[%emt 0:02:21]} 11. Be3 {[%emt 0:02:42]} Qc7 {[%emt 0:00:25]} 12. f4 {[%emt 0:00:42]} Nbc6 {[%emt 0:05:59]} 13. Be2 {[%emt 0:03:16]} Nxd4 {[%emt 0:00:49]} 14. Qxd4 {[%emt 0:01:33]} O-O {[%emt 0:02:56]} 15. O-O {[%emt 0:03:47]} Be4 {[%emt 0:04:03] [#]} 16. Qb6 $146 {[%emt 0:01:30]} ({Predecessor:} 16. Bf3 Nf5 17. Qb6 Rfc8 18. Bxe4 dxe4 19. Qxc7 Rxc7 20. Rae1 h5 21. Bc1 Rc4 22. Re2 {1-0 (74) Ljukin,S (2362)-Mikhailovsky,V (2184) Chess.com INT 2022}) 16... Rfc8 {[%emt 0:03:37]} 17. Qxc7 {[%emt 0:03:16]} Rxc7 {[%emt 0:00:06]} 18. a4 {[%emt 0:00:42]} f6 {[%emt 0:06:43]} 19. exf6 {[%emt 0:04:55]} gxf6 {[%emt 0:00:07]} 20. g4 {[%emt 0:01:30]} Kf7 {[%emt 0:04:03]} 21. Kf2 {[%emt 0:03:35]} Rg8 {[%emt 0:01:56][%cal Oh7h5]} 22. Bb6 {[%emt 0:15:47]} Rcc8 {[%emt 0:04:54]} 23. Ke3 {[%emt 0:03:25]} Rc6 {[%emt 0:15:46]} 24. a5 {[%emt 0:03:17]} Nc8 {[%emt 0:00:50]} 25. Bd4 {[%emt 0:00:21]} Nd6 {[%emt 0:00:23]} 26. Ra4 {[%emt 0:00:54]} h5 {[%emt 0:05:27]} 27. g5 {[%emt 0:04:40]} Nf5+ {[%emt 0:03:18]} ({Resist} 27... fxg5 28. Bxh5+ Ke7 29. fxg5 $16) 28. Kd2 {[%emt 0:01:40]} Nxd4 {[%emt 0:09:14]} 29. Rxd4 {[%emt 0:00:41]} h4 {[%emt 0:03:17]} 30. Rb4 {[%emt 0:01:31]} Rc7 {[%emt 0:00:37]} (30... Rb8 $11) 31. Rb6 {[%emt 0:02:15]} (31. Bg4 $14) 31... Bf5 {[%emt 0:01:26]} 32. Rg1 {[%emt 0:02:10]} fxg5 {[%emt 0:01:12]} 33. fxg5 {[%emt 0:00:36]} Kg6 {[%emt 0:00:37]} 34. Bd3 {[%emt 0:02:13]} Re8 {[%emt 0:02:25]} 35. Rg4 {[%emt 0:01:39]} Rh7 {[%emt 0:01:37]} 36. h3 {[%emt 0:02:21]} Ree7 {[%emt 0:01:31]} 37. Bxf5+ {[%emt 0:05:20]} Kxf5 $11 {[%emt 0:00:09][%mdl 4096] Endgame KRR-KRR} 38. Rbb4 {[%emt 0:00:48] aiming for g6.} e5 {[%emt 0:03:24]} 39. Rb6 {[%emt 0:01:55][%csl Gg5][%cal Rb6f6] [#]} (39. g6 $5 {[%cal Rg6h7]} Rhg7 40. Rg2 $11) 39... Re6 {[%emt 0:02:41] Against Rf6+} 40. g6 {[%emt 0:02:06]} Rg7 {[%emt 0:02:19]} 41. Rxe6 {[%emt 0:01:20]} Kxe6 {[%emt 0:00:20]} 42. Rxh4 {[%emt 0:00:16]} Rxg6 {[%emt 0:03:54] KR-KR} 43. Rb4 {[%emt 0:06:48]} Rg7 {[%emt 0:01:24]} 44. h4 {[%emt 0:00:52]} Kf5 {[%emt 0:05:48]} 45. Ke3 {[%emt 0:02:14]} e4 {[%emt 0:00:00]} 46. h5 {[%emt 0:00:00]} Rg3+ {[%emt 0:00:00]} 47. Kd4 {[%emt 0:00:00]} Rd3+ {[%emt 0:00:00]} 48. Kc5 {[%emt 0:00:00]} e3 {[%emt 0:00:12] White must now prevent ...e2.} 49. Rxb7 {[%emt 0:00:00] Strongly threatening h6.} ({Don't blunder} 49. h6 $2 e2 50. Rxb7 e1=Q $19) 49... Rd2 $2 {[%emt 0:01:40][%mdl 8192]} (49... Kf6 $11 50. Rb8 Kf7 51. Rb7+ Kf6 52. Rb6+ Kf7 53. Rb7+ (53. Rxa6 $2 e2 $19) 53... Kf6) 50. Re7 $18 {[%emt 0:00:00]} Kf4 {[%emt 0:00:22] [#]} 51. h6 $2 {[%emt 0:00:00]} (51. b4 $1 $18 {[%cal Rb4b5]}) 51... Rh2 $2 {[%emt 0:02:22]} (51... Rxb2 $11 {and Black has nothing to worry.} 52. Kxd5 Rd2+ 53. Kc4 Kf3) 52. h7 $2 {[%emt 0:00:00]} (52. Kxd5 $18 {And now c4 would win.} Rxh6 53. c4) 52... Kf3 $1 $11 {[%emt 0:00:15]} 53. Kd4 {[%emt 0:00:00]} Rd2+ $1 {[%emt 0:00:02]} 54. Kc5 {[%emt 0:00:00]} Rh2 {[%emt 0:00:02]} 55. h8=Q {[%emt 0:00:00]} Rxh8 {[%emt 0:00:10]} 56. Kd4 {[%emt 0:00:00]} Rh4+ {[%emt 0:01:33]} 57. Kd3 {[%emt 0:00:00]} Re4 {[%emt 0:01:06]} 58. Rf7+ {[%emt 0:00:00]} Kg4 {[%emt 0:00:15] Hoping for ...e2.} 59. Ke2 {[%emt 0:00:00] Rf6 is the strong threat.} d4 $1 {[%emt 0:01:34]} 60. cxd4 {[%emt 0:00:00]} Rxd4 {[%emt 0:00:02]} 61. Rf6 {[%emt 0:00:51]} Rb4 $2 {[%emt 0:00:48][%mdl 8192]} (61... Ra4 $11) 62. Kxe3 $18 {[%emt 0:00:25]} Rxb2 {[%emt 0:00:28]} 63. Rxa6 {[%emt 0:00:21] Weighted Error Value: White=0.18 (very precise) /Black=0.24 (precise)} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.20"]
[Round "3.3"]
[White "Brouwer, Rein"]
[Black "Bosboom, Manuel"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2076"]
[BlackElo "2381"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,58,53,47,48,46,40,57,52,0,0,0,0,0,0,-23,-14,-8,7,0,126,133,170,133,140,42,78,0,58,-46,-43,-51,-44,-53,-22,-31,-6,-56,-45,-66,-63,-44,-41,-431,-402]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:24]} 2. c4 {[%emt 0:00:14]} g6 {[%emt 0:01:21]} 3. Nc3 {[%emt 0:00:12]} Bg7 {[%emt 0:00:06]} 4. e4 {[%emt 0:00:13]} d6 {[%emt 0:00:04]} 5. Nf3 {[%emt 0:00:30]} O-O {[%emt 0:02:48]} 6. Be2 {[%emt 0:00:13]} Nbd7 {[%emt 0:04:01]} 7. O-O {[%emt 0:00:11]} e5 {[%emt 0:00:09]} 8. Be3 {[%emt 0:00:29]} exd4 {[%emt 0:00:52]} 9. Nxd4 {[%emt 0:00:12]} ({Much weaker is} 9. Qxd4 Ng4 10. Qd3 Nxe3 11. Qxe3 Re8 $17) ({Don't play} 9. Bxd4 Re8 $11) 9... c6 {[%emt 0:01:33] E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} 10. f3 {[%emt 0:00:47]} d5 {[%emt 0:05:57]} 11. cxd5 {[%emt 0:09:48]} cxd5 {[%emt 0:00:13] [#] White is slightly better.} 12. Ndb5 $146 {[%emt 0:02:55]} (12. Qe1 $14) ({Predecessor:} 12. exd5 Nb6 13. d6 Qxd6 14. Nb3 Nbd5 15. Bc5 Qe5 16. Nxd5 Nxd5 17. Bxf8 Bxf8 18. Qd2 {½-½ (19) Majzlan,B-Hlas,J Martin 1996}) 12... a6 $11 {[%emt 0:05:45]} 13. Nd6 {[%emt 0:01:44]} dxe4 {[%emt 0:00:16]} 14. fxe4 {[%emt 0:12:35]} Ne5 {[%emt 0:03:17]} 15. Nxc8 {[%emt 0:13:26]} Qxc8 {[%emt 0:04:34]} 16. Qb3 $36 {[%emt 0:02:25][%mdl 2048] White has some pressure.} Nfg4 {[%emt 0:13:02] Pair of Knights!} 17. Bb6 {[%emt 0:02:45]} Nc6 {[%emt 0:23:35] [#]} (17... Nf6 $11 {keeps the balance.}) 18. Nd5 $1 $16 {[%emt 0:14:00]} h5 {[%emt 0:15:37]} 19. h3 {[%emt 0:04:24]} Nge5 {[%emt 0:02:07]} 20. Nc7 {[%emt 0:03:34] Prevents Qe6.} (20. Qe3 $16) 20... Rb8 {[%emt 0:02:25] [#]} 21. Nd5 {[%emt 0:02:28]} ({White should play} 21. Rad1 $1 $16) 21... Qe6 {[%emt 0:00:23]} (21... Ra8 $1 $11) 22. Qe3 {[%emt 0:01:23]} (22. Rad1 $1 $14) 22... Nd7 $15 {[%emt 0:01:26]} 23. Rad1 {[%emt 0:01:41]} Nxb6 {[%emt 0:00:16]} 24. Nxb6 {[%emt 0:00:04]} Ne5 {[%emt 0:03:44] Prevents Bc4.} 25. b3 {[%emt 0:00:34]} Kh7 {[%emt 0:00:30]} 26. Nc4 {[%emt 0:03:00]} (26. Nd5 $11) 26... b5 {[%emt 0:00:38]} 27. Nxe5 {[%emt 0:01:16]} Bxe5 {[%emt 0:00:02][%cal Bg7e5,Be5c7,Bc7b6][%mdl 32]} 28. Rd5 {[%emt 0:03:19]} Bc7 {[%emt 0:01:08] And now ...Bb6 would win.} 29. Bxh5 $2 {[%emt 0:03:26][%mdl 8192]} Bb6 {[%emt 0:00:21] Black used his chance.  Weighted Error Value: White=0.60/Black=0.25 (precise)} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.20"]
[Round "3.4"]
[White "Blom, Vincent"]
[Black "De Winter, Arthur"]
[Result "1/2-1/2"]
[ECO "A24"]
[WhiteElo "2325"]
[BlackElo "2150"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,95,14,-27,-30,-24,-29,-29,-18,-33,-29,-37,0,0,0,0,0,-17,35,40,41,45,52,48,53,19,29,-11,-14,-24,0,-107,-97,-222,-212,-270,-281,-356,-356,-332,-330,-308,-221,-215,-33,-41,-39,-28,-35,-35,-58,-20,-20,-32,-8,-39,-20,-74,-74,-74,-74,-74,-72,-193,-221,-152,-123,-88,-8,-8,0,-8,0,-8,0,0,0,0,0,0,0,-8,0,0]} 1. c4 {[%emt 0:03:05]} Nf6 {[%emt 0:00:04]} 2. g3 {[%emt 0:00:17]} g6 {[%emt 0:00:06]} 3. Bg2 {[%emt 0:00:02]} Bg7 {[%emt 0:00:03]} 4. Nc3 {[%emt 0:00:08]} O-O {[%emt 0:00:14]} 5. Nf3 {[%emt 0:00:03]} d6 {[%emt 0:00:13]} 6. O-O {[%emt 0:00:08]} e5 $1 {[%emt 0:00:12] 6...e5 is better than 6...Nc6.} 7. d3 {[%emt 0:00:18]} c6 {[%emt 0:00:42][%cal Bc7c6,Bc6d5][%mdl 32]} 8. c5 {[%emt 0:11:34]} dxc5 {[%emt 0:09:15] A24: English Opening vs King's Indian: Lines without ...Nc6.} 9. Nxe5 {[%emt 0:02:56]} Nd5 {[%emt 0:00:53]} 10. Nxd5 {[%emt 0:04:17]} cxd5 {[%emt 0:00:36] Black has an edge.} 11. d4 {[%emt 0:00:31]} cxd4 {[%emt 0:12:23]} 12. Nd3 {[%emt 0:03:43]} Nc6 {[%emt 0:23:47]} 13. Qb3 {[%emt 0:09:11] [#]} Bg4 $146 {[%emt 0:12:02]} ({Predecessor:} 13... Qe7 14. Re1 Bf5 15. Bxd5 Bxd3 16. Bxc6 Ba6 17. Bb5 Bxb5 18. Qxb5 Rac8 19. Bd2 a6 20. Qd3 h5 21. h4 Qe6 {½-½ (21) Stark,L (2459)-Markus,R (2611) Germany 2013}) 14. Re1 {[%emt 0:04:44]} Re8 {[%emt 0:09:47]} 15. Bxd5 {[%emt 0:21:20]} Na5 {[%emt 0:01:00]} (15... Qd7 $11 16. Nc5 Qe7) 16. Bxf7+ $14 {[%emt 0:00:51]} Kf8 {[%emt 0:00:12]} 17. Qd5 {[%emt 0:01:55]} Qxd5 {[%emt 0:01:07]} 18. Bxd5 {[%emt 0:00:06] Threatens to win with e4.} Rad8 $1 {[%emt 0:00:07]} 19. Bg2 {[%emt 0:13:30]} Bxe2 {[%emt 0:01:34]} 20. Bd2 {[%emt 0:04:07]} Nc4 $36 {[%emt 0:04:33][%mdl 2048] Black is pushing.} 21. Bb4+ {[%emt 0:01:59]} Kg8 {[%emt 0:04:27]} (21... Kf7 $5 {[%cal Re2d3]} 22. b3 Bxd3 23. Rxe8 Rxe8 24. Bd5+ Kf6 25. bxc4 Kf5 $15) 22. Nf4 {[%emt 0:03:27]} (22. Nc5 $11) 22... d3 $17 {[%emt 0:00:27] And now ...a5 would win.} 23. Bf1 {[%emt 0:09:23]} (23. Bxb7 $17 a5 24. Bc3) 23... Bxb2 $19 {[%emt 0:07:12]} 24. Rab1 {[%emt 0:00:45][%cal Rf4e2]} Bxf1 {[%emt 0:01:12]} 25. Kxf1 {[%emt 0:01:40]} Rxe1+ {[%emt 0:05:32]} 26. Kxe1 {[%emt 0:02:05]} g5 {[%emt 0:00:39]} 27. Ng2 {[%emt 0:00:24]} Re8+ {[%emt 0:03:51]} 28. Ne3 {[%emt 0:00:58]} Nxe3 {[%emt 0:01:12]} (28... b5 $19 {Strongly threatening ...a6.} 29. Bd2 Re5) 29. fxe3 $15 {[%emt 0:00:04]} Rxe3+ $19 {[%emt 0:00:03][%mdl 4096] Endgame KRB-KRB} 30. Kd2 {[%emt 0:00:19]} Re2+ {[%emt 0:00:34]} 31. Kxd3 {[%emt 0:00:05]} Rxh2 {[%emt 0:00:02]} 32. Bd2 {[%emt 0:00:12]} Be5 {[%emt 0:01:40]} 33. Rxb7 {[%emt 0:01:38]} Bxg3 {[%emt 0:01:19] With the idea ...g4.} 34. Rxa7 {[%emt 0:01:07]} g4 {[%emt 0:00:00] next ...h5 is good for Black.} 35. Bc3 {[%emt 0:00:17]} (35. a4 $11) 35... h5 $17 {[%emt 0:00:05]} 36. Ke4 {[%emt 0:00:18]} Rc2 {[%emt 0:00:31]} 37. Bd4 {[%emt 0:01:00] [#]} Rc4 $1 {[%emt 0:00:09]} 38. Ra8+ {[%emt 0:00:08]} (38. Rg7+ $17 Kf8 39. Rg5) 38... Kf7 $19 {[%emt 0:00:21] aiming for ...Bf2.} 39. Kd5 {[%emt 0:00:36]} Rc2 {[%emt 0:00:25]} 40. Ke4 {[%emt 0:00:41]} Bf2 {[%emt 0:01:26]} ({Better is} 40... Re2+ $17 41. Kf5 Bf2 42. Ra7+ Kf8 43. Bxf2 Rxf2+ 44. Kg5 Rh2) 41. Ra7+ $1 $11 {[%emt 0:00:00] The position is equal.} Ke8 {[%emt 0:00:00]} 42. Ra8+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 43. Ra7+ $1 {[%emt 0:00:00]} Kg6 {[%emt 0:00:00] [#] White must now prevent ...Rc4.} 44. Ra6+ {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 45. Ra7+ $1 {[%emt 0:00:00]} Kg8 {[%emt 0:00:00]} (45... Kg6 $5 46. Ra6+ Kh7 47. Ra7+ Kh6 48. Ra6+ Kh7 $11) 46. Ra8+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 47. Ra7+ $1 {[%emt 0:00:00]} Kg8 {[%emt 0:00:00] Hoping for ...Bxd4.} 48. Ra8+ {[%emt 0:00:00] Weighted Error Value: White=0.18 (very precise) /Black=0.20 (precise)} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.20"]
[Round "3.5"]
[White "Van Arkel, Rogier"]
[Black "Vroombout, Enrico"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2187"]
[BlackElo "2125"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,55,0,16,11,6,-1,10,13,43,5,19,0,0,0,0,-10,0,0,0,-14,-20,-26,0,-5,0,0,0,-62,-58,-67,-61,-65,-58,-62,101,62,80,77,80,71,220,203,294,290,316,310,582,566]} 1. b3 {[%emt 0:01:51]} e5 {[%emt 0:00:36]} 2. Bb2 {[%emt 0:00:06]} Nc6 {[%emt 0:00:07]} 3. e3 {[%emt 0:00:19]} Nf6 {[%emt 0:00:04]} 4. Bb5 {[%emt 0:00:08]} Bd6 {[%emt 0:00:04]} 5. Na3 {[%emt 0:00:05]} Na5 {[%emt 0:20:44]} 6. Be2 {[%emt 0:00:58] A01: Nimzowitsch-Larsen Opening.} a6 {[%emt 0:07:50] Against Nb5} 7. c4 {[%emt 0:12:37]} Nc6 {[%emt 0:05:05]} 8. Nc2 {[%emt 0:02:37] The position is equal.} Be7 {[%emt 0:07:49] [#]} 9. Nf3 $146 {[%emt 0:05:18]} ({Predecessor:} 9. d4 exd4 10. exd4 d5 11. Nf3 O-O 12. O-O Bd6 13. Ne5 dxc4 14. bxc4 Ne7 15. Ne3 {½-½ (23) Dragojlovic,A (2261)-Dedebas,E (2232) Novi Sad 2017}) 9... e4 $1 {[%emt 0:08:04]} 10. Nfd4 {[%emt 0:03:49]} Nxd4 {[%emt 0:00:24]} 11. Nxd4 {[%emt 0:00:48]} d5 {[%emt 0:02:39]} 12. cxd5 {[%emt 0:01:58]} Qxd5 {[%emt 0:00:24]} 13. f3 {[%emt 0:13:42]} Qg5 {[%emt 0:15:57]} 14. O-O {[%emt 0:13:35] Hoping for fxe4.} c5 {[%emt 0:04:28]} 15. Nc2 {[%emt 0:02:10]} Bh3 {[%emt 0:11:05][%csl Gh3][%cal Rg5g2] [#]} 16. Rf2 {[%emt 0:08:37]} Bf5 {[%emt 0:03:05]} 17. Rc1 {[%emt 0:04:37]} Rd8 {[%emt 0:01:28]} 18. Qf1 {[%emt 0:07:11]} (18. Ne1 $11) 18... O-O $15 {[%emt 0:02:48]} ({Don't play} 18... Rxd2 {[#]} 19. Bb5+ $1 Bd7 20. Rxd2 $14) 19. fxe4 {[%emt 0:01:48]} Bxe4 {[%emt 0:00:08]} 20. d3 {[%emt 0:00:16]} Bg6 {[%emt 0:01:20]} 21. e4 {[%emt 0:01:12]} Bh5 $2 {[%emt 0:03:00]} (21... b5 $15 22. Ne1 Ng4) 22. Rf5 $36 {[%emt 0:07:08][%mdl 2048] White is pushing.} Bxe2 {[%emt 0:00:04]} 23. Qxe2 {[%emt 0:01:14]} ({But not} 23. Rxg5 Bxf1 24. Rxf1 Ne8 $11) 23... Qg4 {[%emt 0:01:47]} 24. Rf3 {[%emt 0:00:19]} Nh5 {[%emt 0:00:55] Black cannot hold the game after this.} (24... Nd7 $16 {was called for.}) 25. Ne3 $18 {[%emt 0:00:45]} Qg6 {[%emt 0:01:34]} (25... Nf4 $2 26. Qf1 (26. Nxg4 $2 {too greedy.} Nxe2+ 27. Kf1 Nxc1 $19) 26... Qd7 27. Rxf4 $18) (25... Qe6 {was necessary.} 26. Nf5 Bg5) 26. Nf5 {[%emt 0:02:11]} Bd6 {[%emt 0:00:34]} 27. Rcf1 {[%emt 0:08:41] Black must now prevent Rh3.} f6 $2 {[%emt 0:01:11]} (27... Rfe8 {keeps fighting.} 28. Nxd6 Rxd6 29. Rxf7 Rf6) 28. Rh3 {[%emt 0:00:00] Weighted Error Value: White=0.10 (very precise) /Black=0.40} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.20"]
[Round "3.6"]
[White "Berrevoets, Jeroen"]
[Black "Croese, Cor"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2064"]
[BlackElo "2173"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,91,0,0,0,-14,-10,-36,-39,-31,-33,-30,0,-34,-7,-4,-13,-31,-35,-55,-10,-31,-16,-19,19,0,4,0,30,11,27,36,38,54,82,95,93,58,72,0,24,2,164,9,15,0,0,0,5,-8,0,-22,0,-297,0,-352,-372,-356,0,0,0,-362,-366,-1029,-1025,-2627,-2617,-29982,-29983,-29987,-29987,-29999]} 1. d4 {[%emt 0:00:19]} g6 {[%emt 0:00:18]} 2. e4 {[%emt 0:01:29]} Bg7 {[%emt 0:00:09]} 3. Nf3 {[%emt 0:00:23]} d6 {[%emt 0:00:19]} 4. Nc3 {[%emt 0:00:29]} c6 {[%emt 0:00:35]} 5. a4 {[%emt 0:00:27]} Nf6 {[%emt 0:01:05]} 6. Be2 {[%emt 0:01:49]} O-O {[%emt 0:00:13]} 7. O-O {[%emt 0:00:16]} Nbd7 {[%emt 0:00:58]} 8. h3 {[%emt 0:00:36]} e5 {[%emt 0:00:28]} 9. Be3 {[%emt 0:07:59]} Qe7 {[%emt 0:00:28]} 10. dxe5 {[%emt 0:04:34]} dxe5 {[%emt 0:00:09]} 11. Bc4 {[%emt 0:06:35] 11.Nd2 is a critical line.} Nc5 {[%emt 0:16:38]} 12. Nd2 {[%emt 0:05:43]} Rd8 {[%emt 0:02:19][%cal Of6e4] B08: Pirc Defence: Classical System.} 13. Qf3 {[%emt 0:09:08]} Ne6 {[%emt 0:02:07]} 14. Bxe6 {[%emt 0:17:18]} Bxe6 {[%emt 0:00:31] Black is slightly better.} 15. a5 {[%emt 0:00:32] [#]} Nd7 $146 {[%emt 0:07:58]} ({Predecessor:} 15... Qb4 16. Rfb1 b6 17. axb6 axb6 18. Rxa8 Rxa8 19. Qd1 Rd8 20. Qc1 b5 21. Ra1 Nd7 {½-½ (31) Kaczorowska,B (2175)-Maciejewski,A (2435) Warsaw 1991}) 16. Qe2 {[%emt 0:02:18]} f5 {[%emt 0:04:58]} 17. f3 {[%emt 0:02:54]} Bf6 {[%emt 0:10:25]} 18. exf5 {[%emt 0:02:49]} gxf5 {[%emt 0:00:11]} 19. g4 {[%emt 0:00:04]} Kh8 {[%emt 0:03:59]} 20. Kh2 {[%emt 0:34:48]} Bg5 {[%emt 0:00:39]} 21. Rg1 {[%emt 0:00:00]} Bxe3 {[%emt 0:09:19]} 22. Qxe3 {[%emt 0:00:00]} Qh4 {[%emt 0:00:29]} 23. Ra4 {[%emt 0:00:00] gxf5 is the strong threat.} f4 {[%emt 0:05:38]} 24. Qe2 {[%emt 0:00:00]} ({But not} 24. Qe1 $2 Qxe1 25. Rxe1 Nc5 $19) 24... Qe7 {[%emt 0:02:43]} 25. Nde4 {[%emt 0:00:00]} b5 {[%emt 0:04:34]} 26. axb6 {[%emt 0:00:00]} Nxb6 {[%emt 0:00:51]} 27. Ra5 {[%emt 0:00:00]} Bc4 {[%emt 0:00:25]} 28. Qf2 {[%emt 0:00:00]} Nd5 {[%emt 0:03:00]} 29. Nxd5 {[%emt 0:00:00]} cxd5 {[%emt 0:02:55]} 30. Nc5 {[%emt 0:00:00]} (30. Nd2 $16) 30... Rac8 {[%emt 0:09:24]} 31. Rga1 {[%emt 0:00:00]} d4 $2 {[%emt 0:00:49]} (31... a6 $1 $11) 32. b4 $2 {[%emt 0:00:00]} (32. Rxa7 $18 Rc7 33. Rxc7 Qxc7 34. b4) 32... a6 $11 {[%emt 0:03:12]} 33. Qe1 {[%emt 0:01:55]} Rd6 {[%emt 0:02:10]} 34. Rd1 {[%emt 0:03:10]} h5 {[%emt 0:02:36]} 35. Kg2 {[%emt 0:00:24]} hxg4 {[%emt 0:00:19]} 36. hxg4 {[%emt 0:00:37][%cal Oc5b7]} Kg7 {[%emt 0:00:15]} (36... Kg8 $5 {[%cal Rd6h6]} 37. Ne4 Rg6 $15) 37. Nb7 $2 {[%emt 0:01:33][%mdl 8192] [#]} Rd5 $2 {[%emt 0:01:55]} (37... Re6 $1 $19 38. Nc5 Rh6) 38. Rxd5 $4 {[%emt 0:00:31][%mdl 8192]} (38. Nc5 $11 {and White is okay.}) 38... Bxd5 $19 {[%emt 0:00:02]} 39. Nc5 {[%emt 0:00:08] And now Rxd4 would win.} Kf7 {[%emt 0:01:33]} 40. Qh1 {[%emt 0:00:43]} Kg7 {[%emt 0:01:24] Prevents Qh7+. Strongly threatening ...e4. The board is on fire.} 41. Qe1 {[%emt 0:00:00] Inhibits e4. Black must now prevent Rxd4.} Qg5 {[%emt 0:00:00] ( -> ...Qxg4+)} 42. Kf1 $2 {[%emt 0:00:00]} ({Don't play} 42. Kg1 {[#]} Rxc5 $1 {[%mdl 512]} 43. bxc5 Bxf3 $19) (42. Ne4 Rxc2+ 43. Kg1) 42... Rh8 {[%emt 0:00:00] aiming for ...Rh1+.} 43. Ke2 {[%emt 0:00:00]} Rh2+ {[%emt 0:00:00]} 44. Kd3 {[%emt 0:00:00]} Qg6+ {[%emt 0:00:00]} 45. Ne4 {[%emt 0:00:00]} Qc6 {[%emt 0:00:00][%csl Gh2][%cal Rc6c2]} 46. Nd6 {[%emt 0:00:00] Weighted Error Value: White=0.76/Black=0.46} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.20"]
[Round "3.7"]
[White "Schilstra, Laurens"]
[Black "Honkoop, Gilian"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1993"]
[BlackElo "2205"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,73,6,9,-9,0,-5,-2,-8,12,11,17,0,-8,-5,0,0,19,30,8,-5,145,141,116,113,293,117,304,187,197,183,194,181,188,191,290,325,470,416,1062,1071,1039,1031,951,904,29988,29988,29986,1033,1875,1372,1501,843,835,824,817,808,1779,1535,29990,29991,29992,29993,29993,29993]} 1. e4 {[%emt 0:00:12]} e5 {[%emt 0:00:01]} 2. Nf3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:03]} 3. Bb5 {[%emt 0:00:08]} a6 {[%emt 0:00:10]} 4. Ba4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:06]} 5. Bxc6 {[%emt 0:00:09]} dxc6 {[%emt 0:00:09]} 6. d3 {[%emt 0:00:23]} Bd6 {[%emt 0:02:13] 6...Bd6 is better than 6...Nd7.} 7. Nc3 {[%emt 0:01:48] C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} O-O {[%emt 0:02:49]} 8. Bg5 {[%emt 0:00:19]} h6 {[%emt 0:01:03] [#]} 9. Be3 $146 {[%emt 0:01:26] The position is equal.} ({Predecessor:} 9. Bd2 Re8 10. Qe2 Be6 11. O-O-O c5 12. h3 b5 13. g4 b4 14. Nb1 Bxa2 15. g5 hxg5 16. Bxg5 {1-0 (49) Whale,M (1743)-Orton,P (1608) Fishguard 2018}) 9... c5 {[%emt 0:03:17]} 10. h3 {[%emt 0:01:13]} Be6 {[%emt 0:02:44]} 11. Qe2 {[%emt 0:02:15]} Nd7 {[%emt 0:04:14]} 12. g4 {[%emt 0:05:16][%cal Bg2g4,Bg4g5,Bg5f6][%mdl 32]} Nb8 {[%emt 0:00:52]} 13. g5 {[%emt 0:04:00]} h5 {[%emt 0:01:47]} 14. Nd5 {[%emt 0:00:54][%cal Od5f6] Threatens to win with Nf6+!} Nd7 {[%emt 0:04:37] Inhibits Nf6+.} 15. Rg1 {[%emt 0:10:09]} c6 {[%emt 0:07:37] [#] Black is on the road to losing.} (15... Bxh3 16. Nxe5 g6 17. Nxd7 Bxd7 18. Nf6+ Kg7 19. O-O-O $18) ({Better is} 15... g6 $1 $11) 16. Nf6+ $1 $16 {[%emt 0:01:32][%mdl 512]} Nxf6 {[%emt 0:00:56]} 17. gxf6 {[%emt 0:00:09]} g6 {[%emt 0:07:42] [#]} (17... Qxf6 $16 18. Bg5 Qg6) 18. Bg5 $2 {[%emt 0:06:57]} (18. Nh4 $1 $18 {is the precise move to win. Strongly threatening Qxh5.} Kh7 19. Qf3) 18... Qd7 $2 {[%emt 0:21:47]} (18... Bxh3 19. Qd2 Re8 20. Bh4) (18... Re8 $16) 19. Qe3 {[%emt 0:03:08]} Kh7 {[%emt 0:14:26]} (19... Bxh3 $2 20. Bh4 Kh7 21. Ng5+ Kg8 22. Nxh3 $18) 20. Bh4 {[%emt 0:07:21] Black must now prevent Ng5+.} ({Don't play} 20. Bh6 Rg8 21. O-O-O (21. Bg7 Rxg7 22. Ng5+ Kh8 $16) 21... Rae8) 20... Rh8 {[%emt 0:00:42]} 21. O-O-O {[%emt 0:03:52]} Kg8 {[%emt 0:03:01]} 22. Rg5 {[%emt 0:05:44]} Qc7 {[%emt 0:04:47]} (22... Bg4 $142 23. hxg4 hxg4) 23. Bg3 $18 {[%emt 0:01:33]} Bxh3 {[%emt 0:00:20]} (23... Kf8 $142 24. Nxe5 (24. Bxe5 Bxh3 25. Rh1 Be6 $16) 24... h4) 24. Nxe5 {[%emt 0:03:30]} Be6 {[%emt 0:01:32] [#]} (24... Kf8 $142 25. Rxg6 (25. Nc4 Bxg3 26. Qxc5+ Kg8 $18) 25... Bxe5) 25. Nxg6 $1 {[%emt 0:03:08][%mdl 512]} fxg6 {[%emt 0:00:30]} 26. Rxg6+ {[%emt 0:00:06]} Kf8 {[%emt 0:00:18]} 27. e5 {[%emt 0:00:07][%cal Be4e5,Be5d6][%mdl 32]} Qa5 {[%emt 0:01:43]} 28. exd6 {[%emt 0:00:33]} Qxa2 {[%emt 0:00:06]} 29. Qxc5 {[%emt 0:00:39]} (29. Rg7 $142 Qa1+ 30. Kd2 Qa5+ 31. c3 Qa2 32. Rxb7 Rh7 33. Rxh7 Qxb2+ 34. Ke1 Qxc3+ 35. Rd2 Qa1+ 36. Rd1 Qc3+ 37. Rd2 Qa1+ 38. Ke2 Bg4+ 39. f3 Qxf6 40. Be5) 29... b6 {[%emt 0:03:20]} 30. Qxb6 {[%emt 0:01:56] d7 would kill now.} Rh7 {[%emt 0:01:36]} 31. Rg7 {[%emt 0:00:39]} Rxg7 {[%emt 0:00:59]} 32. fxg7+ {[%emt 0:00:06]} Kg8 {[%emt 0:00:12]} 33. Re1 {[%emt 0:02:44] Hoping for Re5.} Re8 {[%emt 0:00:53]} 34. Qc5 {[%emt 0:03:18]} Kxg7 {[%emt 0:02:46]} 35. Qg5+ {[%emt 0:00:15] White mates.} Kf8 {[%emt 0:00:07]} 36. Qf6+ {[%emt 0:00:27]} Kg8 {[%emt 0:00:08]} 37. Re5 {[%emt 0:00:41] Weighted Error Value: White=0.22 (precise) /Black=0.75} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.20"]
[Round "3.8"]
[White "Stolwijk, Colin"]
[Black "Theulings, Paul-Peter"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2277"]
[BlackElo "2056"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,77,19,21,33,10,12,19,10,21,-16,19,14,19,-16,0,0,20,20,16,16,16,25,26,-14,-14,-13,-8,-8,-14,-57,0,0,4,-31,-3,-26,-18,-138,-144,-117,-110,-134,-121,-125,-131,-139,-114,-193,0,-136,-81,-295,-146,-152,-97,-76,1253,1242,1397,1375,1366,1355,5181,2064,1835,1740,29984,29985,6491,5821]} 1. e4 {[%emt 0:00:04]} e5 {[%emt 0:00:06]} 2. Bc4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:12]} 3. d3 {[%emt 0:00:04]} c6 {[%emt 0:00:10]} 4. Nf3 {[%emt 0:00:08]} d5 {[%emt 0:00:14]} 5. Bb3 {[%emt 0:00:04]} a5 {[%emt 0:00:20]} 6. a4 {[%emt 0:00:05] C24: Bishop's Opening: 2...Nf6.} (6. Nxe5 $2 a4 7. Bxd5 cxd5 8. exd5 Nxd5 $19) 6... Bb4+ {[%emt 0:01:19]} 7. c3 {[%emt 0:00:04]} Bd6 {[%emt 0:00:14]} 8. exd5 {[%emt 0:00:40] The position is equal.} cxd5 {[%emt 0:00:13]} 9. Na3 {[%emt 0:00:26] [#]} Nbd7 $146 {[%emt 0:02:56]} ({Predecessor:} 9... Nc6 10. Nb5 Bb8 11. Bg5 Be6 12. O-O h6 13. Bh4 O-O 14. Re1 g5 15. Bg3 Bg4 {0-1 (61) Onischuk,V (2608)-Motylev,A (2665) Minsk 2017}) 10. Nb5 {[%emt 0:01:55]} Bb8 {[%emt 0:00:10]} 11. O-O {[%emt 0:01:50]} O-O {[%emt 0:03:57]} 12. Bg5 {[%emt 0:04:12][%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} h6 {[%emt 0:01:44]} 13. Bh4 {[%emt 0:00:07]} Re8 {[%emt 0:02:28]} 14. Re1 {[%emt 0:00:57]} (14. Bxd5 g5 15. Bxg5 hxg5 $17) 14... Ra6 {[%emt 0:01:20]} 15. Bg3 {[%emt 0:04:48]} (15. Bxd5 g5 16. Bxf7+ Kxf7 $17) 15... Rae6 {[%emt 0:05:20]} 16. Ba2 {[%emt 0:07:46]} b6 {[%emt 0:09:05]} 17. d4 {[%emt 0:13:22]} e4 {[%emt 0:03:52]} 18. Bxb8 {[%emt 0:00:06]} Nxb8 {[%emt 0:00:32][%cal Bd7b8,Bb8a6,Ba6b4][%mdl 32]} (18... exf3 19. Rxe6 Rxe6 20. Bc7 $16) 19. Ne5 {[%emt 0:02:56]} Bb7 {[%emt 0:08:35]} (19... Nbd7 $15) 20. c4 $11 {[%emt 0:02:35]} Na6 {[%emt 0:06:24]} 21. cxd5 {[%emt 0:07:18]} Nxd5 {[%emt 0:01:17]} 22. Nc3 {[%emt 0:04:50][%cal Oe5f7] Hoping for Nxf7!} ({Don't play} 22. Rxe4 f6 23. f4 R6e7 $15) 22... Nab4 {[%emt 0:01:48]} 23. Bb1 {[%emt 0:01:57]} (23. Bb3 $11 {remains equal.}) 23... f6 $17 {[%emt 0:10:46][%cal Bf7f6,Bf6f5][%mdl 32]} 24. Ng4 {[%emt 0:02:58]} f5 {[%emt 0:01:22]} 25. Nxd5 {[%emt 0:06:07]} Nxd5 {[%emt 0:01:57]} 26. Ne5 {[%emt 0:01:29]} Nb4 {[%emt 0:05:01]} 27. Ra3 {[%emt 0:03:29]} Rd6 {[%emt 0:05:58] Threatens to win with ...Rxe5.} 28. Qh5 {[%emt 0:00:50]} (28. Qb3+ $17 Bd5 29. Qe3) 28... Rf6 $2 {[%emt 0:02:10]} (28... Rf8 $19 29. Rg3 Rff6) 29. Rc3 {[%emt 0:06:18]} (29. g4 $1 $11) 29... Re7 {[%emt 0:02:35]} ({Black should try} 29... Ref8 30. Rd1 Rd6) 30. Rec1 $2 {[%emt 0:10:07]} (30. Rd1 $17) 30... Kh7 {[%emt 0:01:58]} (30... Qxd4 $19 {has better winning chances.} 31. Ng6 Rd7) 31. g4 {[%emt 0:03:32][%cal Bg2g4,Bg4g5][%mdl 32]} g6 {[%emt 0:11:53]} (31... Qxd4 $142 32. g5 Qxe5 $1 33. gxf6 Qxf6) 32. Qh3 {[%emt 0:00:03] And now g5 would win.} ({Don't blunder} 32. Qh4 $2 g5 33. Qg3 f4 $19) 32... Qxd4 $2 {[%emt 0:00:49][%mdl 8192]} (32... Rf8 $17 33. Qh4 (33. g5 $2 h5 $19) 33... Rg7 34. Qxd8 Rxd8) 33. g5 $1 $18 {[%emt 0:00:41]} Rd6 {[%emt 0:07:13]} 34. Qxh6+ {[%emt 0:08:31]} Kg8 {[%emt 0:00:02]} 35. Nxg6 {[%emt 0:00:10] Intending Qf8+ and mate.} Rg7 {[%emt 0:03:07] [#]} 36. Rc8+ $1 {[%emt 0:01:01][%mdl 512]} Bxc8 {[%emt 0:00:10]} 37. Rxc8+ {[%emt 0:00:02]} Rd8 {[%emt 0:00:55]} 38. Rxd8+ {[%emt 0:00:26]} Qxd8 {[%emt 0:00:02]} 39. Qh8+ {[%emt 0:00:08][%mdl 64] Skewer. White used his chance.  Weighted Error Value: White=0.32/Black=0.47} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.20"]
[Round "3.9"]
[White "Afek, Yochanan"]
[Black "Labruyere, Roger"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2210"]
[BlackElo "2070"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,86,3,22,-26,-36,-32,-27,-64,-26,-18,-32,-39,-20,-20,-20,-20,-18,-30,-29,-37,-29,-64,-27,-17,-17,-12,-11,-11,-19,-25,-25,-24,-23,-26,-21,-23,-18,-24,-20,-26,-25,-41,-25,-31,-11,-18,-15,-19,-22,-22,-15,-20,-18,-33,-33,-27,-25,-27,-28,-28,-25,-25,0,0,0,0,0,0,14]} 1. e4 {[%emt 0:02:04]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:01:28]} e6 {[%emt 0:00:07]} 3. c3 {[%emt 0:00:05]} Nf6 {[%emt 0:01:42]} 4. e5 {[%emt 0:00:09]} Nd5 {[%emt 0:00:04]} 5. Bc4 {[%emt 0:00:20]} Nc6 {[%emt 0:00:35]} 6. O-O {[%emt 0:00:09]} Be7 {[%emt 0:02:03]} 7. d4 {[%emt 0:00:18]} cxd4 {[%emt 0:00:33]} 8. cxd4 {[%emt 0:00:26]} d6 {[%emt 0:00:19]} 9. Qe2 {[%emt 0:00:39]} O-O {[%emt 0:27:14]} 10. Qe4 {[%emt 0:03:45] 10.Rd1 is setting a new trend.} Ndb4 {[%emt 0:07:14] [#] And now ...d5 would win.} 11. Bb3 {[%emt 0:08:37] B22: Sicilian: 2 c3.} (11. exd6 $142 Bxd6 12. Nc3 (12. a3 Nd5 $14)) 11... dxe5 $11 {[%emt 0:01:24]} 12. dxe5 {[%emt 0:02:44]} Qd3 {[%emt 0:00:13] [#]} 13. Qf4 $146 {[%emt 0:08:47] Black has an edge.} ({Predecessor:} 13. Nc3 Qxe4 14. Nxe4 Rd8 15. Bg5 Bxg5 16. Nexg5 Bd7 17. Rfd1 Na5 18. Nd4 Nxb3 19. axb3 {½-½ (38) Vlassov,N (2294)-Zubov,A (2598) Chess.com INT 2021}) 13... Nc2 {[%emt 0:14:50]} 14. Ne1 {[%emt 0:03:10]} Nxe1 {[%emt 0:00:04]} 15. Rxe1 {[%emt 0:00:03]} Nd4 {[%emt 0:05:05] [#] Hoping for ...Ne2+.} 16. Nc3 {[%emt 0:02:34] Against Ne2+. aiming for Re3.} Nxb3 {[%emt 0:00:21]} 17. axb3 {[%emt 0:00:09]} Rd8 {[%emt 0:00:41]} 18. Be3 {[%emt 0:00:32] Black must now prevent Red1.} Bd7 {[%emt 0:01:10]} 19. b4 {[%emt 0:15:21]} Bc6 {[%emt 0:07:35]} 20. Rxa7 {[%emt 0:10:13]} Rxa7 {[%emt 0:02:26]} (20... Qc2 {looks sharper.} 21. Rxa8 Rxa8 22. b5 Qxb2 23. Qd4 Bxb5 24. Nd5 Qxd4 25. Nxe7+ Kf8) 21. Bxa7 {[%emt 0:00:06]} Qd2 {[%emt 0:00:37]} 22. Qxd2 {[%emt 0:04:21]} Rxd2 {[%emt 0:00:03]} 23. b5 {[%emt 0:01:18]} Be8 {[%emt 0:00:06]} 24. Re2 {[%emt 0:01:40]} Rxe2 {[%emt 0:00:25]} 25. Nxe2 {[%emt 0:00:05]} Bxb5 {[%emt 0:00:05][%mdl 4096] Endgame KBB-KBN} 26. Nd4 {[%emt 0:00:25]} Bd3 {[%emt 0:00:19]} 27. f3 {[%emt 0:00:50]} Kf8 {[%emt 0:04:43]} 28. Kf2 {[%emt 0:00:06]} Ke8 {[%emt 0:01:12]} 29. Ke3 {[%emt 0:00:13]} Bc4 {[%emt 0:00:26]} 30. Nc2 {[%emt 0:02:23]} Kd7 {[%emt 0:00:26]} 31. Kd4 {[%emt 0:00:12]} Bd5 {[%emt 0:07:09]} 32. Bc5 {[%emt 0:03:43]} Bd8 {[%emt 0:03:47]} 33. Nb4 {[%emt 0:01:53]} Bb3 {[%emt 0:05:10]} 34. Kc3 $1 {[%emt 0:10:56]} Ba4 {[%emt 0:01:00]} 35. Kc4 {[%emt 0:00:15]} Bd1 {[%emt 0:01:57]} 36. Be3 {[%emt 0:02:32]} Be2+ {[%emt 0:00:47]} 37. Kc3 {[%emt 0:01:15]} Ba5 {[%emt 0:03:03]} 38. Bc5 {[%emt 0:00:23]} g5 {[%emt 0:01:46]} 39. Kd4 {[%emt 0:02:59]} g4 {[%emt 0:01:32]} 40. f4 {[%emt 0:02:08]} g3 {[%emt 0:00:26]} 41. hxg3 {[%emt 0:00:49] The position is equal.} Bf1 {[%emt 0:00:13]} 42. g4 {[%emt 0:03:28]} Bxg2 {[%emt 0:00:05]} 43. g5 {[%emt 0:00:08]} Bh1 {[%emt 0:00:56] Weighted Error Value: White=0.07 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.20"]
[Round "3.10"]
[White "Tan, Kevin"]
[Black "Kanis, Sierk"]
[Result "1/2-1/2"]
[ECO "A56"]
[WhiteElo "2209"]
[BlackElo "1985"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,78,-40,-25,-22,-30,-14,-19,-29,-25,-29,-16,-19,-17,-42,-21,-16,0,-7,11,25,3,8,12,0,15,21,21,33,66,19,15,24,29,34,126,104,237,256,255,253,232,241,382,377,389,389,389,375,373,368,374,304,304,304,304,270,270,115,90,76,73,18,67,-30,-22,-25,-8,-53,0,0,0]} 1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:09]} 2. c4 {[%emt 0:00:42]} c5 {[%emt 0:00:06]} 3. e3 {[%emt 0:03:47]} g6 {[%emt 0:01:18]} 4. g3 {[%emt 0:14:01]} Bg7 {[%emt 0:02:28]} 5. Bg2 {[%emt 0:01:47]} cxd4 {[%emt 0:02:31]} 6. exd4 {[%emt 0:00:48] A56: Czech Benoni.} d5 {[%emt 0:00:59]} 7. Nc3 {[%emt 0:08:29][%cal Rc3d5]} dxc4 {[%emt 0:07:56]} 8. Qa4+ {[%emt 0:02:30]} Nbd7 {[%emt 0:06:16]} 9. Nf3 {[%emt 0:12:20]} O-O {[%emt 0:01:16]} 10. Qxc4 {[%emt 0:00:18]} Nb6 {[%emt 0:01:38]} 11. Qe2 {[%emt 0:02:53] [#]} Bg4 $146 {[%emt 0:01:54]} ({Predecessor:} 11... Be6 12. O-O Bc4 13. Qd1 Bxf1 14. Qxf1 Nfd5 15. Bd2 Rc8 16. Ne5 Nxc3 17. Bxc3 Nd5 {0-1 (34) Tomitz,H (2102)-Kavcic,Z (2290) St Veit 2008}) 12. O-O {[%emt 0:01:19]} Qd7 {[%emt 0:07:07]} 13. Re1 {[%emt 0:01:50]} Bxf3 {[%emt 0:05:38]} 14. Qxf3 {[%emt 0:02:01]} e6 {[%emt 0:06:57]} 15. Qxb7 {[%emt 0:06:59]} Qxd4 {[%emt 0:03:25]} 16. Bf4 {[%emt 0:01:54]} Qb4 {[%emt 0:06:36]} (16... Ng4 17. Qf3 Nh6 18. Red1 $16) 17. Re2 {[%emt 0:05:11]} Rfd8 {[%emt 0:11:06]} 18. Rc1 {[%emt 0:04:40]} h6 {[%emt 0:12:16]} 19. Rec2 {[%emt 0:05:07] White is more active.} (19. Bc6 $1 $14 {was preferrable.}) 19... Rd7 $11 {[%emt 0:02:38]} 20. Qa6 $36 {[%emt 0:00:47][%mdl 2048] White has some pressure.} Nfd5 {[%emt 0:02:53]} 21. Nxd5 {[%emt 0:01:26]} exd5 {[%emt 0:00:07]} ({Better is} 21... Nxd5 $14 22. Bd2 (22. Rc8+ Rd8 $14) 22... Qe7) 22. Bd2 $16 {[%emt 0:07:12] A strong pair of Bishops.} Qa4 {[%emt 0:03:48]} (22... Qg4 $16 {might work better.}) 23. Qxa4 $18 {[%emt 0:05:17]} Nxa4 {[%emt 0:01:04]} 24. b3 {[%emt 0:00:10]} Nb6 {[%emt 0:00:04] [#] Against Rc8+} 25. a4 $1 {[%emt 0:00:14] Black must now prevent a5.} a5 {[%emt 0:05:17]} (25... Rdd8 {was called for.} 26. Be3 Rab8) 26. Rc5 {[%emt 0:01:10]} Rda7 {[%emt 0:01:39]} 27. Rb5 {[%emt 0:00:31]} Ra6 {[%emt 0:00:31]} 28. Rc6 {[%emt 0:01:40]} Bd4 {[%emt 0:02:50]} 29. Bxh6 {[%emt 0:00:43]} Re8 {[%emt 0:00:07]} 30. Be3 {[%emt 0:00:43]} (30. Bxd5 Nxd5 31. Rxa6 Nc7 32. Raxa5 Nxb5 33. Rxb5 Re1+ 34. Kg2 Re2 $18) 30... Bxe3 {[%emt 0:01:13]} 31. fxe3 {[%emt 0:00:02]} Re6 {[%emt 0:00:22]} 32. Rbc5 {[%emt 0:02:55] Rxe6 is the strong threat.} Nd7 {[%emt 0:01:22] [#]} 33. Rc8+ {[%emt 0:07:29]} ({Avoid the trap} 33. Rxd5 $2 Raxc6 34. Rxd7 Rc1+ 35. Kf2 Rf6+ 36. Ke2 Rc2+ 37. Kd3 (37. Rd2 $2 Rxd2+ 38. Kxd2 Rf2+ 39. Kc3 Rxg2 $19) 37... Rxg2 $19) (33. Rxa6 $1 $18 {and the rest is easy.} Rxa6 34. Rxd5) 33... Kg7 $16 {[%emt 0:00:15]} 34. R5c7 {[%emt 0:00:00]} ({Much worse is} 34. Rxd5 $6 Nb6 35. Rc7 Nxd5 36. Bxd5 Rxe3 $11) 34... Nf6 {[%emt 0:00:28]} 35. Rb8 {[%emt 0:00:00]} (35. Rc3 $16) 35... Rab6 {[%emt 0:00:10]} (35... Rad6 $11) 36. Rbb7 {[%emt 0:00:00]} (36. Rxb6 $14 Rxb6 37. Rc3) 36... Rxb7 $11 {[%emt 0:00:13]} 37. Rxb7 {[%emt 0:00:00]} Rxe3 {[%emt 0:00:25]} 38. b4 {[%emt 0:01:13]} axb4 {[%emt 0:00:28]} (38... Rb3 $15 39. b5 d4) 39. Rxb4 {[%emt 0:00:05]} Ra3 {[%emt 0:01:19] Black escapes into a draw.  Weighted Error Value: White=0.22 (precise) /Black=0.17 (very precise)} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.21"]
[Round "4.1"]
[White "Croese, Cor"]
[Black "Van Delft, Merijn"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2173"]
[BlackElo "2383"]
[Annotator "ChessBase"]
[PlyCount "108"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:14]} 2. Nf3 {[%emt 0:00:06]} d6 {[%emt 0:00:06]} 3. d4 cxd4 {[%emt 0:00:08]} 4. Nxd4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:07]} a6 {[%emt 0:00:05]} 6. g3 {[%emt 0:00:06]} e5 {[%emt 0:00:17]} 7. Nde2 {[%emt 0:00:06]} Be7 {[%emt 0:00:14]} 8. Bg2 {[%emt 0:00:06]} O-O {[%emt 0:00:32]} 9. O-O {[%emt 0:00:09]} Be6 {[%emt 0:00:10]} 10. a4 {[%emt 0:00:34]} Nbd7 {[%emt 0:00:48]} 11. b3 {[%emt 0:00:21]} Rc8 {[%emt 0:00:46]} 12. h3 {[%emt 0:00:20]} Re8 {[%emt 0:00:53]} 13. Be3 {[%emt 0:01:21]} Qa5 {[%emt 0:03:43]} 14. Qd2 {[%emt 0:06:25]} Bd8 {[%emt 0:00:12]} 15. f4 {[%emt 0:14:06]} Nf8 {[%emt 0:04:34]} 16. f5 {[%emt 0:04:21]} Bd7 {[%emt 0:00:39]} 17. Rfd1 {[%emt 0:10:55]} h5 {[%emt 0:07:16]} 18. Bf3 {[%emt 0:05:50]} Bb6 {[%emt 0:07:37]} 19. Bxb6 {[%emt 0:01:37]} Qxb6+ {[%emt 0:00:08]} 20. Kg2 {[%emt 0:00:14]} Bxf5 {[%emt 0:08:16]} 21. a5 {[%emt 0:09:27]} Qc5 {[%emt 0:12:26]} 22. Qxd6 {[%emt 0:03:52]} Bg6 {[%emt 0:06:21]} 23. Qxc5 {[%emt 0:22:20]} Rxc5 {[%emt 0:00:11]} 24. Kf2 {[%emt 0:00:32]} Ne6 {[%emt 0:04:20]} 25. Ke3 {[%emt 0:01:27]} Nd4 {[%emt 0:02:38]} 26. Ra2 {[%emt 0:03:51]} Rec8 {[%emt 0:07:26]} 27. Rd3 {[%emt 0:00:07]} Nc6 {[%emt 0:11:16]} 28. Ra4 {[%emt 0:05:35]} Nxa5 {[%emt 0:03:05]} 29. Nd5 {[%emt 0:03:01]} Nxd5+ {[%emt 0:00:58]} 30. Rxd5 {[%emt 0:00:03]} b6 {[%emt 0:01:11]} 31. Rxc5 {[%emt 0:00:20]} Rxc5 {[%emt 0:00:09]} 32. Kd3 {[%emt 0:00:40]} Nc6 {[%emt 0:06:03]} 33. c3 {[%emt 0:03:53]} Rd5+ {[%emt 0:03:16]} 34. Ke3 {[%emt 0:02:32]} Ra5 {[%emt 0:03:43]} 35. Rc4 {[%emt 0:00:03]} Rc5 {[%emt 0:01:03]} 36. Rxc5 {[%emt 0:02:16]} bxc5 {[%emt 0:00:02]} 37. Kd3 {[%emt 0:00:11]} f6 {[%emt 0:00:36]} 38. Kc4 {[%emt 0:00:32]} Na5+ {[%emt 0:00:08]} 39. Kxc5 {[%emt 0:00:13]} Nxb3+ {[%emt 0:00:08]} 40. Kb6 {[%emt 0:01:06]} Nd2 {[%emt 0:04:55]} 41. Bg2 {[%emt 0:00:10]} Bf7 {[%emt 0:02:25]} 42. Ng1 {[%emt 0:01:45]} Nb1 {[%emt 0:00:00]} 43. Ne2 {[%emt 0:00:00]} Bc4 {[%emt 0:00:00]} 44. Bf3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 45. Kc5 {[%emt 0:00:00]} Bxe2 {[%emt 0:00:00]} 46. Bxe2 {[%emt 0:00:00]} Nxc3 {[%emt 0:00:00]} 47. Bd3 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 48. h4 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 49. Kc4 {[%emt 0:00:00]} Nd1 {[%emt 0:00:00]} 50. Be2 {[%emt 0:00:00]} Nf2 {[%emt 0:00:00]} 51. Bf3 {[%emt 0:00:00]} Kh6 {[%emt 0:00:00]} 52. Kb5 {[%emt 0:00:00]} g5 {[%emt 0:00:00]} 53. Kxa5 {[%emt 0:00:00]} gxh4 {[%emt 0:00:46]} 54. gxh4 {[%emt 0:00:00]} Nd3 {[%emt 0:00:10]} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.21"]
[Round "4.2"]
[White "Bosboom, Manuel"]
[Black "Schilstra, Laurens"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2381"]
[BlackElo "1993"]
[Annotator "ChessBase"]
[PlyCount "89"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:11:47]} b6 {[%emt 0:02:24]} 2. d4 {[%emt 0:00:35]} Bb7 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:17]} Nf6 {[%emt 0:00:10]} 4. d5 {[%emt 0:03:01]} e6 {[%emt 0:02:30]} 5. a3 {[%emt 0:01:42]} exd5 {[%emt 0:01:44]} 6. cxd5 {[%emt 0:00:14]} Bc5 {[%emt 0:00:22]} 7. g3 {[%emt 0:06:14]} O-O {[%emt 0:02:03]} 8. Bg2 {[%emt 0:00:16]} Re8 {[%emt 0:09:21]} 9. Nh3 {[%emt 0:04:21]} c6 {[%emt 0:05:26]} 10. d6 {[%emt 0:26:25]} Re6 {[%emt 0:00:55]} 11. Bf4 {[%emt 0:00:59]} Qf8 {[%emt 0:03:16]} 12. Ng5 {[%emt 0:04:20]} Rxd6 {[%emt 0:00:58]} 13. Bxd6 {[%emt 0:01:53]} Bxd6 {[%emt 0:00:38]} 14. O-O {[%emt 0:01:09]} Be5 {[%emt 0:03:15]} 15. Rc1 {[%emt 0:04:50]} d5 {[%emt 0:01:43]} 16. Nf3 {[%emt 0:02:54]} Bxc3 {[%emt 0:03:10]} 17. Rxc3 {[%emt 0:00:18]} Nbd7 {[%emt 0:01:40]} 18. b4 {[%emt 0:06:08]} Rd8 {[%emt 0:03:53]} 19. Qa4 {[%emt 0:01:44]} a5 {[%emt 0:04:34]} 20. Rb1 {[%emt 0:01:54]} axb4 {[%emt 0:04:07]} 21. axb4 {[%emt 0:00:16]} Qd6 {[%emt 0:02:54]} 22. Nd4 {[%emt 0:05:25]} Ne5 {[%emt 0:00:50]} 23. Qa7 {[%emt 0:01:23]} Qc7 {[%emt 0:06:01]} 24. Qa2 {[%emt 0:04:08]} Ne4 {[%emt 0:07:26]} 25. Rcc1 {[%emt 0:03:13]} Qe7 {[%emt 0:08:52]} 26. Nf5 {[%emt 0:00:37]} Qd7 {[%emt 0:02:32]} 27. Bxe4 {[%emt 0:00:33]} dxe4 {[%emt 0:00:06]} 28. Rd1 {[%emt 0:01:21]} Qxd1+ {[%emt 0:00:38]} 29. Rxd1 {[%emt 0:00:01]} Rxd1+ {[%emt 0:00:06]} 30. Kg2 {[%emt 0:00:01]} g6 {[%emt 0:03:11]} 31. Ne3 {[%emt 0:02:34]} Rd7 {[%emt 0:03:09]} 32. Qa7 {[%emt 0:00:24]} f6 {[%emt 0:00:29]} 33. Qxb6 {[%emt 0:00:10]} Kf7 {[%emt 0:01:33]} 34. g4 {[%emt 0:00:53]} Ke6 {[%emt 0:02:20]} 35. Kg3 {[%emt 0:00:43]} f5 {[%emt 0:01:44]} 36. h3 {[%emt 0:01:43]} h5 {[%emt 0:02:06]} 37. Qc5 {[%emt 0:00:54]} hxg4 {[%emt 0:02:22]} 38. hxg4 {[%emt 0:00:15]} Rf7 {[%emt 0:01:59]} 39. Ng2 {[%emt 0:02:11]} g5 {[%emt 0:00:58]} 40. gxf5+ {[%emt 0:00:39]} Rxf5 {[%emt 0:01:00]} 41. Ne3 {[%emt 0:01:01]} Rf7 {[%emt 0:02:18]} 42. Nc2 {[%emt 0:00:00]} Rd7 {[%emt 0:00:00]} 43. Nd4+ {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 44. e3 {[%emt 0:00:00]} Bc8 {[%emt 0:00:00]} 45. Qf8+ {[%emt 0:00:00]} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.21"]
[Round "4.3"]
[White "Zwirs, Nico"]
[Black "Van Arkel, Rogier"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2485"]
[BlackElo "2187"]
[Annotator "ChessBase"]
[PlyCount "123"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} d5 {[%emt 0:03:51]} 2. exd5 {[%emt 0:00:09]} Nf6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:30]} Bg4 {[%emt 0:02:43]} 4. Bb5+ {[%emt 0:01:24]} c6 {[%emt 0:03:27]} 5. dxc6 {[%emt 0:01:40]} Nxc6 {[%emt 0:00:07]} 6. Nf3 {[%emt 0:00:41]} Qb6 {[%emt 0:02:10]} 7. Bxc6+ {[%emt 0:14:51]} bxc6 {[%emt 0:01:42]} 8. Qd3 {[%emt 0:05:35]} e6 {[%emt 0:06:23]} 9. O-O {[%emt 0:03:06]} Rd8 {[%emt 0:10:02]} 10. Nbd2 {[%emt 0:07:08]} Be7 {[%emt 0:11:53]} 11. c3 {[%emt 0:07:36]} O-O {[%emt 0:03:36]} 12. Nc4 {[%emt 0:00:28]} Qc7 {[%emt 0:02:04]} 13. Nce5 {[%emt 0:09:35]} Bf5 {[%emt 0:05:50]} 14. Qc4 {[%emt 0:00:40]} Be4 {[%emt 0:02:15]} 15. b4 {[%emt 0:06:43]} h6 {[%emt 0:03:40]} 16. Nd2 {[%emt 0:05:16]} Bf5 {[%emt 0:07:35]} 17. Re1 {[%emt 0:11:10]} Bd6 {[%emt 0:03:07]} 18. h3 {[%emt 0:02:39]} Rc8 {[%emt 0:02:02]} 19. a4 {[%emt 0:02:19]} Nd5 {[%emt 0:03:53]} 20. a5 {[%emt 0:04:00]} Rfd8 {[%emt 0:04:20]} 21. Nb3 {[%emt 0:00:35]} Qe7 {[%emt 0:02:10]} 22. Bd2 {[%emt 0:01:12]} Qh4 {[%emt 0:01:19]} 23. Qe2 {[%emt 0:00:05]} Qe7 {[%emt 0:08:01]} 24. Qf3 {[%emt 0:01:19]} Bb8 {[%emt 0:01:28]} 25. Nc5 {[%emt 0:04:36]} f6 {[%emt 0:02:44]} 26. Nc4 {[%emt 0:01:37]} Qc7 {[%emt 0:02:23]} 27. g3 {[%emt 0:02:42]} Re8 {[%emt 0:00:54]} 28. Kg2 {[%emt 0:01:15]} Qf7 {[%emt 0:00:24]} 29. Na6 {[%emt 0:01:09]} Red8 {[%emt 0:00:43]} 30. Ne3 {[%emt 0:03:25]} Bg6 {[%emt 0:00:56]} 31. Nxb8 {[%emt 0:01:34]} Rxb8 {[%emt 0:00:04]} 32. Kh2 {[%emt 0:00:21]} Qc7 {[%emt 0:01:24]} 33. Qg4 {[%emt 0:00:25]} Qf7 {[%emt 0:00:25]} 34. Ng2 {[%emt 0:00:17]} Re8 {[%emt 0:00:33]} 35. Qf3 {[%emt 0:00:38]} Qd7 {[%emt 0:00:29]} 36. Nf4 {[%emt 0:00:58]} Bf5 {[%emt 0:01:12]} 37. Nd3 {[%emt 0:00:39]} e5 {[%emt 0:01:05]} 38. Nc5 {[%emt 0:00:11]} Qc8 {[%emt 0:00:14]} 39. dxe5 {[%emt 0:00:28]} fxe5 {[%emt 0:00:44]} 40. g4 {[%emt 0:00:34]} Bg6 {[%emt 0:00:23]} 41. Re2 {[%emt 0:00:00]} Re7 {[%emt 0:00:00]} 42. Rae1 {[%emt 0:00:00]} Qf8 {[%emt 0:00:00]} 43. Qxf8+ {[%emt 0:00:00]} Rxf8 {[%emt 0:00:00]} 44. c4 {[%emt 0:00:00]} Nf4 {[%emt 0:00:00]} 45. Rxe5 {[%emt 0:00:00]} Rxe5 {[%emt 0:00:00]} 46. Rxe5 {[%emt 0:00:00]} Nd3 {[%emt 0:00:00]} 47. Nxd3 {[%emt 0:00:00]} Bxd3 {[%emt 0:00:00]} 48. Be3 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 49. Rc5 {[%emt 0:00:00]} Rf6 {[%emt 0:00:00]} 50. Kg3 {[%emt 0:00:00]} Be4 {[%emt 0:00:00]} 51. b5 {[%emt 0:00:00]} Rf3+ {[%emt 0:02:45]} 52. Kh2 {[%emt 0:00:00]} cxb5 {[%emt 0:00:12]} 53. cxb5 {[%emt 0:00:00]} axb5 {[%emt 0:00:20]} 54. a6 {[%emt 0:00:00]} Rf6 {[%emt 0:02:20]} 55. a7 {[%emt 0:00:00]} Ra6 {[%emt 0:00:12]} 56. Rxb5 {[%emt 0:00:00]} g5 {[%emt 0:00:40]} 57. h4 {[%emt 0:00:00]} gxh4 {[%emt 0:01:03]} 58. Kh3 {[%emt 0:00:00]} Ra1 {[%emt 0:00:33]} 59. Kxh4 {[%emt 0:00:00]} Kh7 {[%emt 0:00:47]} 60. Re5 {[%emt 0:00:00]} Bf3 {[%emt 0:01:41]} 61. Kg3 {[%emt 0:00:00]} Bh1 {[%emt 0:00:17]} 62. f3 {[%emt 0:00:00]} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.21"]
[Round "4.4"]
[White "Kumar, Prajit Sai"]
[Black "Blom, Vincent"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2040"]
[BlackElo "2325"]
[Annotator "ChessBase"]
[PlyCount "105"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:05:09]} 2. Nf3 {[%emt 0:00:06]} g6 {[%emt 0:00:57]} 3. Bg5 {[%emt 0:00:09]} Bg7 {[%emt 0:00:38]} 4. Nbd2 {[%emt 0:00:08]} d5 {[%emt 0:07:20]} 5. e3 {[%emt 0:00:13]} O-O {[%emt 0:03:53]} 6. Be2 {[%emt 0:00:25]} c5 {[%emt 0:07:02]} 7. c3 {[%emt 0:01:01]} Qb6 {[%emt 0:01:22]} 8. Qb3 {[%emt 0:01:19]} Nc6 {[%emt 0:09:34]} 9. O-O {[%emt 0:00:46]} Bf5 {[%emt 0:02:45]} 10. h3 {[%emt 0:01:20]} h6 {[%emt 0:09:47]} 11. Bf4 {[%emt 0:02:01]} g5 {[%emt 0:03:37]} 12. Bh2 {[%emt 0:04:40]} c4 {[%emt 0:02:46]} 13. Qa3 {[%emt 0:05:42]} Qd8 {[%emt 0:13:41]} 14. b3 {[%emt 0:05:15]} b5 {[%emt 0:00:30]} 15. bxc4 {[%emt 0:33:27]} bxc4 {[%emt 0:02:46]} 16. Bd1 {[%emt 0:08:01]} a6 {[%emt 0:04:08]} 17. Qb2 {[%emt 0:03:21]} Bd3 {[%emt 0:06:53]} 18. Re1 {[%emt 0:00:12]} Ne4 {[%emt 0:00:23]} 19. Be2 {[%emt 0:07:34]} Qa5 {[%emt 0:07:44]} 20. Rac1 {[%emt 0:06:34]} Qb5 {[%emt 0:02:46]} 21. Qa3 {[%emt 0:02:52]} Qa5 {[%emt 0:00:03]} 22. Qb2 {[%emt 0:01:07]} e5 {[%emt 0:02:09]} 23. Bxd3 {[%emt 0:03:28]} cxd3 {[%emt 0:00:16]} 24. dxe5 {[%emt 0:01:13]} Qb5 {[%emt 0:02:30]} 25. Qa3 {[%emt 0:02:43]} Qa5 {[%emt 0:00:54]} 26. Qb2 {[%emt 0:01:12]} Rab8 {[%emt 0:01:26]} 27. Nb3 {[%emt 0:01:06]} Qa4 {[%emt 0:00:35]} 28. Red1 {[%emt 0:01:21]} Nc5 {[%emt 0:00:59]} 29. Nxc5 {[%emt 0:00:35]} Qxd1+ {[%emt 0:00:11]} 30. Rxd1 {[%emt 0:00:05]} Rxb2 {[%emt 0:00:03]} 31. Nxa6 {[%emt 0:00:51]} Ra8 {[%emt 0:01:45]} 32. Nc7 {[%emt 0:00:35]} Ra5 {[%emt 0:00:50]} 33. Bg3 {[%emt 0:00:44]} Rb7 {[%emt 0:00:39]} 34. Ne8 {[%emt 0:00:20]} Rxa2 {[%emt 0:00:25]} 35. Kh2 {[%emt 0:01:39]} d2 {[%emt 0:00:47]} 36. Nxg7 {[%emt 0:01:02]} Kxg7 {[%emt 0:00:27]} 37. Nxd2 {[%emt 0:00:18]} Ra4 {[%emt 0:00:38]} 38. Nf3 {[%emt 0:01:55]} Ne7 {[%emt 0:00:20]} 39. h4 {[%emt 0:03:11]} Kg6 {[%emt 0:00:35]} 40. Rd4 {[%emt 0:00:51]} Ra1 {[%emt 0:00:42]} 41. hxg5 {[%emt 0:00:47]} Rbb1 {[%emt 0:00:00]} 42. Kh3 {[%emt 0:00:00]} Rh1+ {[%emt 0:00:00]} 43. Kg4 {[%emt 0:00:00]} hxg5 {[%emt 0:00:00]} 44. Nxg5 {[%emt 0:00:00]} Nf5 {[%emt 0:00:00]} 45. Rxd5 {[%emt 0:00:00]} Ra4+ {[%emt 0:00:00]} 46. e4 {[%emt 0:00:00]} Rh5 {[%emt 0:00:00]} 47. Bf4 {[%emt 0:00:00]} Nh6+ {[%emt 0:00:58]} 48. Kf3 {[%emt 0:00:00]} Rxg5 {[%emt 0:00:19]} 49. Rd6+ {[%emt 0:00:00]} Kh5 {[%emt 0:00:10]} 50. Bxg5 {[%emt 0:00:47]} Kxg5 {[%emt 0:00:06]} 51. e6 {[%emt 0:00:57]} f5 {[%emt 0:00:42]} 52. exf5 {[%emt 0:00:39]} Nxf5 {[%emt 0:00:47]} 53. Rc6 {[%emt 0:04:25]} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.21"]
[Round "4.5"]
[White "De Winter, Arthur"]
[Black "Bruil, Rembrandt"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "2150"]
[BlackElo "2204"]
[Annotator "ChessBase"]
[PlyCount "40"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:04]} g6 {[%emt 0:00:07]} 5. c4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:05]} 6. Nc3 {[%emt 0:00:04]} Nxd4 7. Qxd4 {[%emt 0:00:04]} d6 {[%emt 0:00:11]} 8. f3 {[%emt 0:00:12]} Bg7 {[%emt 0:00:05]} 9. Be3 {[%emt 0:00:05]} O-O {[%emt 0:00:05]} 10. Qd2 {[%emt 0:00:05]} Be6 {[%emt 0:01:23]} 11. Rc1 {[%emt 0:00:45]} Qa5 {[%emt 0:03:32]} 12. b3 {[%emt 0:01:46]} a6 {[%emt 0:07:55]} 13. Na4 {[%emt 0:02:04]} Qxd2+ {[%emt 0:00:19]} 14. Kxd2 {[%emt 0:01:36]} Nd7 {[%emt 0:03:57]} 15. Be2 {[%emt 0:17:42]} Rfb8 {[%emt 0:13:54]} 16. Nc3 {[%emt 0:04:22]} Rc8 {[%emt 0:02:32]} 17. g4 {[%emt 0:23:59]} b5 {[%emt 0:15:22]} 18. Nd5 {[%emt 0:09:24]} Bxd5 {[%emt 0:00:07]} 19. cxd5 {[%emt 0:01:57]} Bb2 {[%emt 0:13:13]} 20. Rb1 {[%emt 0:14:37]} Bc3+ {[%emt 0:01:09]} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.21"]
[Round "4.6"]
[White "De Groote, Ewoud"]
[Black "Duchene, Rene"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2245"]
[BlackElo "2137"]
[Annotator "ChessBase"]
[PlyCount "50"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:05]} e6 {[%emt 0:00:11]} 2. d4 {[%emt 0:00:05]} d5 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:15]} 4. e5 {[%emt 0:00:19]} Nfd7 {[%emt 0:00:11]} 5. Nce2 {[%emt 0:01:09]} c5 {[%emt 0:00:19]} 6. c3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:08]} 7. Nf3 {[%emt 0:00:52]} Be7 {[%emt 0:01:46]} 8. a3 {[%emt 0:03:39]} a5 {[%emt 0:06:20]} 9. a4 {[%emt 0:06:13]} O-O {[%emt 0:02:47]} 10. Nf4 {[%emt 0:04:16]} cxd4 {[%emt 0:01:37]} 11. cxd4 {[%emt 0:00:15]} Nb4 {[%emt 0:00:34]} 12. Bd2 {[%emt 0:16:17]} Nb8 {[%emt 0:00:20]} 13. h4 {[%emt 0:04:01]} N8c6 {[%emt 0:01:18]} 14. g3 {[%emt 0:31:21]} f6 {[%emt 0:10:38]} 15. exf6 {[%emt 0:04:08]} gxf6 {[%emt 0:07:14]} 16. Bc3 {[%emt 0:11:25]} Re8 {[%emt 0:29:06]} 17. Be2 {[%emt 0:07:38]} Bf8 {[%emt 0:02:04]} 18. O-O {[%emt 0:01:26]} e5 {[%emt 0:01:28]} 19. Ng2 {[%emt 0:00:34]} e4 {[%emt 0:02:15]} 20. Nfe1 {[%emt 0:00:26]} Bh6 {[%emt 0:02:55]} 21. Bd2 {[%emt 0:00:32]} Bg7 {[%emt 0:00:35]} 22. Be3 {[%emt 0:00:11]} Be6 {[%emt 0:02:34]} 23. Kh2 {[%emt 0:00:22]} f5 {[%emt 0:00:37]} 24. Qd2 {[%emt 0:00:40]} Qf6 {[%emt 0:02:00]} 25. Rd1 {[%emt 0:00:21]} Rac8 {[%emt 0:02:25]} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.21"]
[Round "4.7"]
[White "Labruyere, Roger"]
[Black "Van der Poel, Henk"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2070"]
[BlackElo "2210"]
[Annotator "ChessBase"]
[PlyCount "64"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:19]} 2. Nf3 {[%emt 0:00:04]} d6 {[%emt 0:00:29]} 3. Bb5+ {[%emt 0:00:07]} Bd7 {[%emt 0:00:36]} 4. Bxd7+ {[%emt 0:00:06]} Nxd7 {[%emt 0:00:36]} 5. c4 {[%emt 0:00:21]} Ngf6 {[%emt 0:00:31]} 6. Nc3 {[%emt 0:00:05]} g6 {[%emt 0:04:19]} 7. O-O {[%emt 0:00:26]} Bg7 {[%emt 0:00:09]} 8. Qe2 {[%emt 0:04:49]} O-O {[%emt 0:06:32]} 9. Rd1 {[%emt 0:01:18]} a6 {[%emt 0:12:03]} 10. d4 {[%emt 0:02:18]} cxd4 {[%emt 0:00:17]} 11. Nxd4 {[%emt 0:00:04]} Rc8 {[%emt 0:00:13]} 12. a4 {[%emt 0:04:33]} Qa5 {[%emt 0:03:08]} 13. Bd2 {[%emt 0:08:36]} Qc5 {[%emt 0:02:21]} 14. Nc2 {[%emt 0:21:50]} Qxc4 {[%emt 0:02:47]} 15. Qxc4 {[%emt 0:00:47]} Rxc4 {[%emt 0:00:04]} 16. Ne3 {[%emt 0:00:13]} Rc6 {[%emt 0:12:33]} 17. b4 {[%emt 0:06:13]} Rfc8 {[%emt 0:01:58]} 18. b5 {[%emt 0:07:50]} Rxc3 {[%emt 0:05:52]} 19. Bxc3 {[%emt 0:00:13]} Rxc3 {[%emt 0:00:05]} 20. bxa6 {[%emt 0:01:07]} bxa6 {[%emt 0:00:05]} 21. Rab1 {[%emt 0:00:13]} Bf8 {[%emt 0:05:09]} 22. Nd5 {[%emt 0:16:59]} Nxd5 {[%emt 0:11:49]} 23. exd5 {[%emt 0:01:42]} Nc5 {[%emt 0:01:36]} 24. Ra1 {[%emt 0:02:41]} a5 {[%emt 0:03:02]} 25. Rdc1 {[%emt 0:06:01]} Rd3 {[%emt 0:04:12]} 26. Rd1 {[%emt 0:05:17]} Rxd1+ {[%emt 0:03:24]} 27. Rxd1 {[%emt 0:00:01]} Bg7 {[%emt 0:00:09]} 28. Rc1 {[%emt 0:03:01]} Bb2 {[%emt 0:00:13]} 29. Rc2 {[%emt 0:01:18]} Nxa4 {[%emt 0:03:45]} 30. Kf1 {[%emt 0:00:19]} Bc3 {[%emt 0:00:13]} 31. Ke2 {[%emt 0:00:18]} Bb4 {[%emt 0:00:25]} 32. Kd3 {[%emt 0:00:07]} Nb6 {[%emt 0:01:11]} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.21"]
[Round "4.8"]
[White "Dekker, Constantijn"]
[Black "Tan, Kevin"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "1931"]
[BlackElo "2209"]
[Annotator "ChessBase"]
[PlyCount "56"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:09]} 2. c4 {[%emt 0:00:18]} dxc4 {[%emt 0:00:28]} 3. e3 {[%emt 0:00:25]} b6 {[%emt 0:06:20]} 4. Bxc4 {[%emt 0:08:44]} Bb7 {[%emt 0:04:40]} 5. Nf3 {[%emt 0:00:43]} e6 {[%emt 0:02:12]} 6. Nc3 {[%emt 0:04:15]} a6 {[%emt 0:07:55]} 7. O-O {[%emt 0:05:49]} Nf6 {[%emt 0:05:11]} 8. a3 {[%emt 0:02:40]} Nbd7 {[%emt 0:02:21]} 9. b4 {[%emt 0:03:40]} Ra7 {[%emt 0:20:19]} 10. d5 {[%emt 0:13:22]} exd5 {[%emt 0:04:32]} 11. Nxd5 {[%emt 0:00:22]} Nxd5 {[%emt 0:02:39]} 12. Bxd5 {[%emt 0:00:13]} Qf6 {[%emt 0:00:26]} 13. Rb1 {[%emt 0:04:58]} Bd6 {[%emt 0:05:07]} 14. Bb2 {[%emt 0:01:04]} Qh6 {[%emt 0:04:15]} 15. e4 {[%emt 0:06:22]} Bxd5 {[%emt 0:12:30]} 16. Qxd5 {[%emt 0:00:50]} c6 {[%emt 0:02:06]} 17. Qf5 {[%emt 0:03:57]} O-O {[%emt 0:02:19]} 18. e5 {[%emt 0:01:43]} Be7 {[%emt 0:01:26]} 19. Rbd1 {[%emt 0:01:43]} Rd8 {[%emt 0:01:20]} 20. Nd4 {[%emt 0:06:38]} c5 {[%emt 0:01:29]} 21. e6 {[%emt 0:02:40]} fxe6 {[%emt 0:02:35]} 22. Nxe6 {[%emt 0:00:54]} g6 {[%emt 0:00:47]} 23. Qd5 {[%emt 0:08:37]} Nf6 {[%emt 0:00:25]} 24. Qb3 {[%emt 0:00:51]} Rxd1 {[%emt 0:01:02]} 25. Rxd1 {[%emt 0:00:26]} Qh4 {[%emt 0:01:42]} 26. g3 {[%emt 0:08:15]} c4 {[%emt 0:02:23]} 27. Qf3 {[%emt 0:01:34]} Qe4 {[%emt 0:01:33]} 28. Kg2 {[%emt 0:01:54]} b5 {[%emt 0:01:43]} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.21"]
[Round "4.9"]
[White "Baarslag, Ed"]
[Black "Brouwer, Rein"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2161"]
[BlackElo "2076"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,83,0,1,0,12,-20,-10,-7,0,-7,6,-10,0,-41,10,7,31,35,83,86,78,78,79,86,72,64,60,0,28,0,31,7,18,14,64,-37,58,57,64,45,59,73,86,45,47,47,61,69,154,160,291,325,346,337,293,317,341,336,318,321,322,320,307,227,203,180,216,202,193,163,172,169,1749,1742,921,804]} 1. d4 {[%emt 0:01:58]} d5 {[%emt 0:07:10]} 2. Nf3 {[%emt 0:00:19]} Nf6 {[%emt 0:00:09]} 3. g3 {[%emt 0:00:13]} Bf5 {[%emt 0:01:42]} 4. Bg2 {[%emt 0:00:24]} e6 {[%emt 0:00:17]} 5. c4 {[%emt 0:02:10]} c6 {[%emt 0:04:39]} 6. Qb3 {[%emt 0:01:37] D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Qb6 {[%emt 0:02:32]} 7. c5 {[%emt 0:01:15]} Qxb3 {[%emt 0:03:04]} 8. axb3 {[%emt 0:00:13] The position is equal.} Na6 {[%emt 0:02:02]} 9. Nc3 {[%emt 0:01:30]} h6 {[%emt 0:09:59] [#]} 10. h4 $146 {[%emt 0:07:49]} ({Predecessor:} 10. Ra4 Bc2 11. O-O Bxb3 12. Ra3 Bc2 13. Bd2 Nc7 14. Bf4 Nb5 15. Nxb5 cxb5 16. Rfa1 {1-0 (38) Hess,M (2392)-Wagner,D (2584) Chess.com INT 2022}) 10... Be7 {[%emt 0:03:08]} 11. Bf4 {[%emt 0:14:33]} O-O {[%emt 0:03:55]} (11... Nd7 $1 $15) 12. Ra4 {[%emt 0:02:34]} Bc2 {[%emt 0:02:49]} 13. Ne5 {[%emt 0:13:03][%cal Oe5c6] Strongly threatening Nxc6!} Nh5 {[%emt 0:07:34] [#]} (13... Nb8 $14) 14. Be3 $1 $16 {[%emt 0:08:45][%cal Oe5c6]} Nb8 {[%emt 0:11:51]} 15. Kd2 {[%emt 0:02:23]} Bh7 {[%emt 0:03:26]} (15... Bxb3 $2 16. Rb4 $18) 16. b4 {[%emt 0:02:00] 0x0.0024b310586ddp-1022s more active pieces.} Nf6 {[%emt 0:04:23]} 17. Rha1 {[%emt 0:04:26]} a6 {[%emt 0:05:32]} 18. f3 {[%emt 0:05:36]} (18. b5 $14) 18... Ne8 {[%emt 0:00:33]} (18... Nbd7 $5 {[%cal Rd7e5]}) 19. b5 {[%emt 0:02:52]} f6 {[%emt 0:00:55]} 20. Nd3 {[%emt 0:01:34]} Bxd3 {[%emt 0:02:18]} 21. Kxd3 {[%emt 0:02:26]} Nc7 {[%emt 0:03:25]} (21... cxb5 $11 22. Nxb5 Nc6) 22. bxa6 {[%emt 0:02:55]} (22. b6 $14 Nb5 23. Ra5) 22... Rxa6 {[%emt 0:00:20]} ({Better is} 22... Nbxa6 $15 23. Bh3 e5) 23. b4 $14 {[%emt 0:02:16]} e5 {[%emt 0:01:57]} 24. Bh3 {[%emt 0:00:46]} exd4 {[%emt 0:02:10]} 25. Bxd4 {[%emt 0:00:20]} Rxa4 {[%emt 0:00:10]} 26. Nxa4 {[%emt 0:02:58]} Nba6 {[%emt 0:00:24]} 27. Rb1 {[%emt 0:00:30]} Kf7 {[%emt 0:00:53]} 28. Nb6 {[%emt 0:00:26] And now Bc8 would win.} h5 {[%emt 0:02:29]} ({Black should try} 28... Rb8 $14) 29. Bc8 $16 {[%emt 0:01:21] This bishop pair is nice.} Nb8 {[%emt 0:02:00]} (29... Ne6 $16 {is a better defense.} 30. Bxb7 Nxb4+ 31. Rxb4 Bxc5) 30. Bxb7 $18 {[%emt 0:00:40]} Nb5 {[%emt 0:00:29]} 31. Ra1 {[%emt 0:03:42]} Bd8 {[%emt 0:03:41]} 32. Nc8 {[%emt 0:00:45] Black must now prevent Nd6+.} Bc7 {[%emt 0:00:14] Inhibits Nd6+.} 33. Bf2 {[%emt 0:01:50]} Ke6 {[%emt 0:02:58]} 34. Na7 {[%emt 0:02:35]} Nxa7 {[%emt 0:03:29]} 35. Rxa7 {[%emt 0:00:03]} Kd7 {[%emt 0:00:57]} 36. b5 {[%emt 0:02:13]} cxb5 {[%emt 0:00:13]} 37. Bxd5 {[%emt 0:00:15] Hoping for Kc3.} Nc6 {[%emt 0:00:35]} 38. Bxc6+ {[%emt 0:00:29]} Kxc6 {[%emt 0:00:02]} 39. Ra6+ {[%emt 0:01:04]} Kb7 {[%emt 0:00:17] [#]} 40. Re6 {[%emt 0:01:11]} Rf7 $2 {[%emt 0:03:13]} (40... Rd8+ 41. Kc2 Kc8) 41. c6+ {[%emt 0:00:00]} Ka6 {[%emt 0:00:00]} 42. Re8 {[%emt 0:00:00] Weighted Error Value: White=0.14 (very precise) /Black=0.20 (precise)} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.21"]
[Round "4.10"]
[White "Vroombout, Enrico"]
[Black "Berrevoets, Jeroen"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "2125"]
[BlackElo "2064"]
[Annotator "NA"]
[PlyCount "77"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:08]} Nf6 {[%emt 0:05:46]} 2. c4 {[%emt 0:00:15]} g6 {[%emt 0:00:36]} 3. Nc3 {[%emt 0:00:03]} d5 {[%emt 0:01:09]} 4. h4 {[%emt 0:00:16]} c6 {[%emt 0:16:55]} 5. cxd5 {[%emt 0:06:10]} cxd5 {[%emt 0:00:15]} 6. Bg5 {[%emt 0:00:08]} Bg7 {[%emt 0:11:12]} 7. Qb3 {[%emt 0:08:10]} e6 {[%emt 0:04:54]} 8. Nf3 {[%emt 0:04:27]} h6 {[%emt 0:03:05]} 9. Bf4 {[%emt 0:02:07]} O-O {[%emt 0:00:59]} 10. e3 {[%emt 0:05:51]} b6 {[%emt 0:03:04]} 11. Nb5 {[%emt 0:08:09]} a6 {[%emt 0:09:15]} 12. Nc7 {[%emt 0:08:48]} Ra7 {[%emt 0:00:07]} 13. Nxd5 {[%emt 0:00:09]} exd5 {[%emt 0:07:16]} 14. Bxb8 {[%emt 0:02:16]} Ra8 {[%emt 0:00:15]} 15. Bf4 {[%emt 0:05:15]} b5 {[%emt 0:03:51]} 16. Bd3 {[%emt 0:07:17]} Be6 {[%emt 0:00:05]} 17. Rc1 {[%emt 0:06:37]} Ne4 {[%emt 0:00:38]} 18. Qa3 {[%emt 0:12:02]} Re8 {[%emt 0:01:03]} 19. Bc7 {[%emt 0:01:29]} Rc8 {[%emt 0:00:44]} 20. Qa5 {[%emt 0:00:27]} Qe7 {[%emt 0:06:31]} 21. O-O {[%emt 0:06:04]} Bf5 {[%emt 0:03:02]} 22. Bf4 {[%emt 0:01:35]} Ng3 {[%emt 0:05:57]} 23. Bxg3 {[%emt 0:01:49]} Bxd3 {[%emt 0:00:05]} 24. Rfd1 {[%emt 0:04:27]} Bc2 {[%emt 0:04:22]} 25. Rd2 {[%emt 0:05:10]} Be4 {[%emt 0:00:07]} 26. Rdd1 {[%emt 0:01:04]} Bc2 {[%emt 0:00:07]} 27. Re1 {[%emt 0:00:06]} Rc6 {[%emt 0:00:29]} 28. a4 {[%emt 0:00:38]} Rec8 {[%emt 0:02:39]} 29. axb5 {[%emt 0:00:11]} axb5 {[%emt 0:00:05]} 30. Qxb5 {[%emt 0:01:06]} Bd3 {[%emt 0:00:52]} 31. Rxc6 {[%emt 0:00:10]} Bxb5 {[%emt 0:00:01]} 32. Rxc8+ {[%emt 0:00:03]} Kh7 {[%emt 0:00:15]} 33. Rc7 {[%emt 0:00:48]} Qe8 {[%emt 0:00:56]} 34. Ra1 {[%emt 0:01:05]} Bd7 {[%emt 0:00:37]} 35. Raa7 {[%emt 0:00:09]} Be6 {[%emt 0:00:04]} 36. Ne5 {[%emt 0:01:38]} Bxe5 {[%emt 0:00:47]} 37. Bxe5 {[%emt 0:00:04]} g5 {[%emt 0:00:08]} 38. h5 {[%emt 0:01:00]} Qb5 {[%emt 0:03:16]} 39. Ra8 {[%emt 0:00:36]} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.22"]
[Round "5.1"]
[White "Van Delft, Merijn"]
[Black "Bosboom, Manuel"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2383"]
[BlackElo "2381"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,55,34,8,51,56,60,18,45,-41,-54,-48,-31,-53,-16,-70,0,-15,66,57,94,14,115,115,184,0,0,0,0,0,18,0,0,-162,-135,-156,-160,-133,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:06]} c5 {[%emt 0:00:33]} 2. Nf3 {[%emt 0:00:08]} d6 {[%emt 0:00:11]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:03]} 4. Nxd4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:10]} 5. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:00:45]} 6. h3 {[%emt 0:00:06]} h5 {[%emt 0:04:17] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} (6... e5 $5 {[%cal Re5d4]} 7. Nb3 Be7 $11) 7. Bg5 {[%emt 0:01:27]} e6 {[%emt 0:00:59]} 8. f4 {[%emt 0:05:04]} b5 {[%emt 0:00:31] [#]} 9. e5 $146 {[%emt 0:04:50]} (9. a3 $14) ({Predecessor:} 9. a3 Bb7 10. Be2 Nbd7 11. Bf3 Qb6 12. Qd2 Rc8 13. O-O-O g6 14. Kb1 e5 15. Nb3 {½-½ (48) Petkov,M (2426)-Damljanovic,B (2501) Arandjelovac 2021}) 9... dxe5 $15 {[%emt 0:00:36]} 10. fxe5 {[%emt 0:00:17] [#]} Qc7 $1 {[%emt 0:00:19]} 11. Qe2 {[%emt 0:01:26]} Nbd7 {[%emt 0:13:26][%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32]} 12. Nf3 {[%emt 0:14:11]} (12. exf6 $11 Qg3+ 13. Qf2 Qxg5 14. Qf3 Qh4+ 15. g3 Qxd4 16. Qxa8 Qe3+ 17. Be2 Qxg3+ 18. Kd1) 12... Ba3 {[%emt 0:07:51]} 13. Bc1 {[%emt 0:16:20]} (13. exf6 Bxb2 14. Nd5 Qg3+ 15. Qf2 Qxf2+ 16. Kxf2 exd5 17. Re1+ Kf8 18. fxg7+ Kxg7 $17) 13... Bb7 {[%emt 0:07:31]} 14. exf6 $14 {[%emt 0:05:12]} Nxf6 {[%emt 0:00:57][%cal Oe8g8]} 15. Nxb5 {[%emt 0:28:44]} (15. Qe3 $1 $16 Be7 16. Bd3) 15... axb5 {[%emt 0:01:08]} (15... Qg3+ $1 $11 {remains equal.} 16. Qf2 Qxf2+ 17. Kxf2 Bc5+ 18. Nbd4 (18. Be3 Ne4+ 19. Ke1 Bxe3 $15) 18... Bxf3) 16. bxa3 $16 {[%emt 0:02:36] Hoping for Qe5.} (16. Qxb5+ Kf8 17. Kd1 Bxf3+ 18. gxf3 Rd8+ 19. Bd3 Qg3 $1 $17) 16... O-O-O {[%emt 0:09:07]} (16... O-O $16 17. Qe5 Qxc2) 17. Qe5 $2 {[%emt 0:03:13]} (17. Qxb5 Qc3+ 18. Kf2 Ne4+ 19. Kg1 Qxa1 20. Qc4+ Kd7 21. Qb5+ (21. Bg5 $2 Nxg5 22. Nxg5 Ke8 $19) 21... Kc8 22. Qc4+ Kd7 23. Qb5+ (23. Bg5 $2 Nxg5 24. Nxg5 Ke8 $19) 23... Kc8 $11) ({White should try} 17. Kf2 $1 $18 {[%cal Rf2g1]}) 17... Rd1+ $1 $11 {[%emt 0:03:24]} 18. Kf2 {[%emt 0:00:59][%cal Be1f2,Bf2g1,Bg1h2][%mdl 32] Black must now prevent Qxc7+.} Ne4+ {[%emt 0:00:29]} 19. Kg1 {[%emt 0:02:14]} Qb6+ {[%emt 0:04:21]} (19... Qc4 $2 20. Kh2 $1 Rxf1 21. Bf4 Rxh1+ 22. Rxh1 $18) 20. Kh2 {[%emt 0:00:18]} f6 {[%emt 0:00:58][%cal Bf7f6,Bf6g5][%mdl 32]} 21. Qf4 {[%emt 0:05:54]} (21. Qxb5 $11 {and White stays safe.} Qd6+ 22. Ne5 $1 (22. Kg1 $2 Ba6 $19)) 21... g5 $19 {[%emt 0:00:27]} 22. Nxg5 {[%emt 0:00:09]} fxg5 {[%emt 0:14:42]} 23. Qe5 {[%emt 0:00:03] [#]} Rhd8 {[%emt 0:00:36]} (23... Rf8 $1 $17 24. Be3 (24. Bxb5 $2 Rf2 $19) 24... Qxe3 25. Rxd1 g4 26. Qxe6+ Kb8 27. Qe5+ Ka8) 24. Bd3 {[%emt 0:00:45] Chess con chili. The position is equal.} Rxh1+ {[%emt 0:07:45]} 25. Kxh1 {[%emt 0:00:02]} Nf2+ {[%emt 0:02:00]} 26. Kh2 {[%emt 0:00:24]} Nxd3 {[%emt 0:09:39]} 27. cxd3 {[%emt 0:00:47]} Qd6 {[%emt 0:02:28]} 28. Qxd6 {[%emt 0:01:39] Weighted Error Value: White=0.42/Black=0.38} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.22"]
[Round "5.2"]
[White "Blom, Vincent"]
[Black "Zwirs, Nico"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2325"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,159,12,10,-5,0,0,0,0,0,0,0,0,0,-48,-43,-46,-32,-40,-31,-55,-60,-55,-59,-72,-52,-59,-66,-64,-72,-99,-12,-45,2,2,2,-15,-23,-20,-1,-116,-64,-107,0,0,0,0,0,0,176,175,176,176,185,165,176,182,149,118,194,129,198,197,189,125,204,195,208,62,145,25,25,25,25,25,25,25,26,27,41,19,139,19,121,132,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,358,243,358,243,243,288,243,243,358,358,358,358,358,358,358,358,1265,358,513,481,29984,29976,29982,29983,29989,29990,29990,29991]} 1. c4 {[%emt 0:00:14]} e6 {[%emt 0:00:02]} 2. Nf3 {[%emt 0:00:07]} d5 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:07]} 4. Nc3 {[%emt 0:00:08]} dxc4 {[%emt 0:00:43]} 5. Qa4+ {[%emt 0:02:11]} c6 {[%emt 0:04:58]} 6. Qxc4 {[%emt 0:00:33]} b5 {[%emt 0:00:05]} 7. Qd3 {[%emt 0:00:32]} Bb7 {[%emt 0:00:28]} 8. Bg5 {[%emt 0:07:46] D43: Semi-Slav: 5 Bg5 h6.} Nbd7 {[%emt 0:01:31]} 9. e4 {[%emt 0:14:17]} b4 {[%emt 0:00:36]} 10. Na4 {[%emt 0:02:37] The position is equal.} Qa5 {[%emt 0:00:30]} 11. b3 {[%emt 0:04:08]} c5 {[%emt 0:01:09]} 12. Bxf6 {[%emt 0:09:41]} gxf6 {[%emt 0:00:43]} 13. d5 {[%emt 0:11:11]} (13. Be2 $11 {feels stronger.}) 13... O-O-O $15 {[%emt 0:01:12]} 14. dxe6 {[%emt 0:10:27]} Nb6 $36 {[%emt 0:01:45][%mdl 2048] White is under pressure.} (14... Ne5 15. Qb5 Qc7 16. exf7 $11) 15. Nxb6+ $1 {[%emt 0:07:32]} Qxb6 {[%emt 0:01:58]} 16. Qc4 {[%emt 0:07:03] [#]} Qxe6 $146 {[%emt 0:18:20]} ({Predecessor:} 16... fxe6 17. Bd3 Rg8 18. O-O f5 19. Rfd1 Bg7 20. Rac1 Bc3 21. g3 fxe4 22. Bxe4 Rxd1+ 23. Rxd1 Ba6 {0-1 (23) Hercog,N (2031)-Velikic,A (2323) Maribor 2019}) 17. Qxe6+ {[%emt 0:01:37]} fxe6 {[%emt 0:01:57]} 18. e5 {[%emt 0:00:50]} fxe5 {[%emt 0:04:37] aiming for ...e4.} 19. Ng5 {[%emt 0:05:33]} Bh6 {[%emt 0:09:00]} 20. h4 {[%emt 0:02:35]} Rd4 {[%emt 0:26:00] Threatens to win with ...Bxg5.} 21. f3 {[%emt 0:04:06]} Re8 {[%emt 0:16:03]} (21... e4 $17 {Hoping for ...exf3.} 22. Rc1 (22. Nxe6 $2 Bd2+ 23. Kf2 Bc3 $19) 22... Rd5) 22. Rc1 $11 {[%emt 0:00:25]} e4 {[%emt 0:01:09]} (22... Kb8 $15) 23. Rxc5+ {[%emt 0:01:56]} Kb8 {[%emt 0:00:00]} 24. Be2 {[%emt 0:03:00]} (24. fxe4 Bxg5 25. hxg5 Rxe4+ 26. Kf2 Rf8+ 27. Kg3 Re1 $17) 24... e3 {[%emt 0:04:22] ...Rd2 is the strong threat.} 25. Re5 {[%emt 0:01:33]} Rc8 {[%emt 0:00:18]} 26. O-O {[%emt 0:01:50]} (26. Bc4 $11) 26... Rxh4 {[%emt 0:02:01]} ({Worse is} 26... Rc2 27. Rxe3 Bd5 28. f4 $15) (26... Rd2 $1 $17 {[%cal Rd2e2]} 27. Re1 Bg7 28. Rxe6 Bd5) 27. f4 {[%emt 0:01:00]} Rc2 {[%emt 0:01:40]} (27... Bg7 $17 28. Rxe6 Bd4) 28. Rxe3 {[%emt 0:00:10]} Bxg5 {[%emt 0:01:04]} 29. fxg5 {[%emt 0:00:08]} Re4 {[%emt 0:00:25]} 30. Rf8+ {[%emt 0:00:34]} Rc8 $2 {[%emt 0:00:14]} (30... Kc7 $11 {and Black stays safe.} 31. Rf7+ Kd6) 31. Rxe4 $18 {[%emt 0:00:32]} Bxe4 {[%emt 0:00:04][%mdl 4096] Endgame KRB-KRB} 32. Rf4 {[%emt 0:00:10]} Rc1+ {[%emt 0:02:30]} 33. Kf2 {[%emt 0:00:32]} Bb1 {[%emt 0:00:17]} 34. Rxb4+ {[%emt 0:00:33]} Kc7 {[%emt 0:00:00]} 35. Ra4 {[%emt 0:01:30]} Kb7 {[%emt 0:00:28]} (35... Kb6 $16 {was necessary.}) 36. Ke3 {[%emt 0:00:42]} ({White should play} 36. Bf3+ $18 Kb8 37. Be4 Bxe4 38. Rxe4) 36... Rc5 {[%emt 0:00:42]} (36... Kb6 $16 37. Ra6+ Kb7 38. Rxe6 Bxa2) 37. Bf3+ $1 {[%emt 0:00:18]} Kb8 {[%emt 0:01:09]} 38. Kf4 {[%emt 0:00:42]} (38. Rb4+ $18 Kc8 39. a3) 38... e5+ {[%emt 0:00:36]} (38... Rf5+ $16 39. Kg4 Re5) 39. Kg4 {[%emt 0:00:13]} Bg6 {[%emt 0:00:28]} 40. Rb4+ {[%emt 0:00:36]} (40. Be4 $18) 40... Kc8 {[%emt 0:00:17]} ({Better is} 40... Kc7 $1 $14) 41. Be4 {[%emt 0:00:00]} (41. Rc4 $16 Rxc4+ 42. bxc4) 41... a5 $1 $11 {[%emt 0:00:00]} 42. Ra4 {[%emt 0:00:00] Black must now prevent Bxg6.} Kd7 {[%emt 0:00:00]} 43. Bxg6 {[%emt 0:00:00]} hxg6 {[%emt 0:00:00] KR-KR} 44. Kf3 {[%emt 0:00:00]} Ke6 {[%emt 0:00:00]} 45. Rc4 {[%emt 0:00:00]} Rb5 {[%emt 0:00:00]} 46. g4 {[%emt 0:00:41]} (46. Ke4 $5 {[%cal Rc4c6]}) 46... Kd7 {[%emt 0:00:00] [#] Prevents Rc6.} (46... Kd5 $11) 47. Rc2 {[%emt 0:00:32]} ({Only move:} 47. Rc3 $1 $16) 47... Rb4 {[%emt 0:00:00] [#]} (47... a4 $11 {remains equal.}) 48. Rc5 $1 $16 {[%emt 0:00:15][%csl LRa5,LRe5]} a4 $2 {[%emt 0:00:00] This move loses the game for Black.} (48... Rf4+ $16 49. Kg3 a4) 49. Rc4 $18 {[%emt 0:00:32]} ({Less strong is} 49. Rxe5 axb3 50. axb3 Rxb3+ 51. Kf4 Ra3 $14) 49... Rxc4 {[%emt 0:01:58]} 50. bxc4 {[%emt 0:00:07] KP-KP} Kc6 {[%emt 0:00:35]} 51. Ke4 {[%emt 0:01:06]} Kd6 {[%emt 0:00:07]} 52. c5+ {[%emt 0:01:21]} Kxc5 {[%emt 0:02:00] ( -> ...Kd6)} 53. Kxe5 {[%emt 0:00:03] K3P-KPP} Kb4 {[%emt 0:00:05]} 54. Kf6 {[%emt 0:00:04]} Ka3 {[%emt 0:00:04]} 55. Kxg6 {[%emt 0:00:02]} Kxa2 {[%emt 0:00:05] KPP-KP} 56. Kh7 {[%emt 0:02:30] White threatens g6 and mate.} Kb1 {[%emt 0:00:07]} 57. g6 {[%emt 0:00:03] Threatening mate with g7.} a3 {[%emt 0:00:03]} 58. g7 {[%emt 0:00:01]} a2 {[%emt 0:00:01]} 59. g8=Q {[%emt 0:00:06][%cal Og8a2] Intending Qxa2+! and mate.} a1=Q {[%emt 0:00:03] KQ-KQ} 60. Qb3+ {[%emt 0:00:50]} Kc1 {[%emt 0:00:02]} 61. Qe3+ {[%emt 0:00:07]} Kc2 {[%emt 0:00:15]} 62. Qe2+ {[%emt 0:00:28]} Kb3 {[%emt 0:00:13]} 63. Qd3+ {[%emt 0:00:02]} Kb4 {[%emt 0:00:14]} 64. Qe4+ {[%emt 0:00:09]} ({But not} 64. g5 Qh1+ 65. Kg7 Qb7+ 66. Kf6 Qb6+ 67. Ke5 Qc5+ 68. Kf4 Qc1+ 69. Qe3 Qf1+ 70. Kg3 Kb5 $18) 64... Kb3 {[%emt 0:01:14]} 65. g5 {[%emt 0:00:28]} Qa7+ {[%emt 0:01:10]} 66. Kh6 {[%emt 0:00:29]} Qd7 {[%emt 0:02:02]} 67. Qf3+ {[%emt 0:00:16]} Ka4 {[%emt 0:01:58]} (67... Kb2 $142 68. Qg2+ Kb1 69. Qe4+ Kb2 70. Qe2+ Kc1 71. Qe1+ Kc2 72. Qf2+ Kc1) 68. Qf4+ {[%emt 0:00:28]} Ka3 {[%emt 0:00:22]} 69. g6 {[%emt 0:00:19]} Qh3+ {[%emt 0:00:23]} 70. Kg7 {[%emt 0:00:09]} Qd7+ {[%emt 0:00:45]} (70... Ka2 $142 71. Kf6 Qc3+ 72. Qe5 Qf3+ 73. Ke7 Qb7+ 74. Ke6 Qc6+ 75. Qd6 Qe8+ 76. Kf6 Qh8+ 77. Kf7 Qh5) 71. Kg8 {[%emt 0:00:27]} Qe6+ {[%emt 0:01:08]} 72. Qf7 {[%emt 0:00:04]} Qe5 {[%emt 0:00:51]} 73. g7 {[%emt 0:01:26]} Kb2 {[%emt 0:00:56]} 74. Qf2+ {[%emt 0:01:03]} Kb1 $2 {[%emt 0:00:33]} (74... Kb3 75. Qf3+ Ka2) 75. Qb6+ $2 {[%emt 0:00:19]} (75. Kf7 Qc7+ 76. Kg6 Qd6+ 77. Kg5 Qd8+ 78. Qf6 Qd2+ 79. Kg6 Qg2+ 80. Qg5 Qc6+ 81. Qf6 Qg2+ 82. Qg5 Qc6+ 83. Qf6 Qg2+) 75... Kc1 {[%emt 0:00:25]} (75... Ka1 $142 76. Qg6 Qh2) 76. Kh7 {[%emt 0:00:34]} Qe7 {[%emt 0:00:33]} (76... Qf5+ $18 77. Qg6 Qd7) 77. Qg1+ {[%emt 0:01:14] White mates.} Kb2 {[%emt 0:00:21]} 78. Qd4+ {[%emt 0:00:02]} Kb1 {[%emt 0:00:33]} 79. Kh8 {[%emt 0:00:12]} Qe6 {[%emt 0:00:32]} 80. g8=Q {[%emt 0:00:30] Weighted Error Value: White=0.21 (precise) /Black=0.34} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.22"]
[Round "5.3"]
[White "De Winter, Arthur"]
[Black "Stolwijk, Colin"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2150"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,95,7,7,12,15,10,14,15,18,22,36,31,24,39,47,35,50,23,27,24,33,19,6,-14,0,0,35,20,48,57,33,5,0,0,0,0,0,0,0,0,0,0,27,20,22,-29,48,-2,58,64,65,68,67,66,65,65,71,65,82,46,58,47,288,258,258,258,258,258,418,417,608,608,598,584,584,521,29968,29970,29968,29968,29966,29967,11126,11126,5074,4137]} 1. e4 {[%emt 0:00:03]} c6 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:03]} d5 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:03]} Bg4 {[%emt 0:00:11]} 4. h3 {[%emt 0:00:08]} Bxf3 {[%emt 0:00:04]} 5. Qxf3 {[%emt 0:00:03]} e6 {[%emt 0:00:13]} 6. d4 {[%emt 0:00:12]} Nf6 {[%emt 0:00:11]} 7. exd5 {[%emt 0:00:13] B11: Caro-Kann: Two Knights Variation.} cxd5 {[%emt 0:01:34]} 8. Bd3 {[%emt 0:00:07]} Nc6 {[%emt 0:02:45]} 9. Ne2 {[%emt 0:00:35] The position is equal.} Nb4 {[%emt 0:05:14]} 10. Bb5+ {[%emt 0:00:41]} Nd7 {[%emt 0:00:02]} 11. Ba4 {[%emt 0:00:09]} b5 {[%emt 0:08:46]} 12. Bb3 {[%emt 0:01:01] [#]} Be7 $146 {[%emt 0:08:19]} ({Predecessor:} 12... Nc6 13. c3 Bd6 14. O-O Qf6 15. Qd3 Rb8 16. f4 g6 17. g4 h5 18. g5 Qd8 {0-1 (50) Iglesias Ferreira,A (2146)-Buendia Pinar,A (2295) La Roda 2022}) 13. O-O {[%emt 0:05:35]} Nf6 {[%emt 0:05:51]} 14. c3 {[%emt 0:16:16]} Nc6 {[%emt 0:00:07]} 15. Bc2 {[%emt 0:00:34]} O-O {[%emt 0:09:14]} 16. g4 {[%emt 0:12:37]} b4 {[%emt 0:13:26]} 17. Bf4 {[%emt 0:06:13]} Rc8 {[%emt 0:05:24]} 18. Kg2 {[%emt 0:20:48]} a5 {[%emt 0:02:53]} 19. h4 {[%emt 0:09:12]} (19. Qd3 $5 {[%cal Rg4g5]} g6 20. Ba4 $14) 19... Nd7 {[%emt 0:06:16][%cal Bf6d7,Bd7e5,Be5g4][%mdl 32]} 20. Qd3 {[%emt 0:03:32][%csl Gc2][%cal Rd3h7]} g6 {[%emt 0:00:13]} 21. h5 {[%emt 0:00:27]} e5 {[%emt 0:07:51]} 22. hxg6 {[%emt 0:13:07]} fxg6 {[%emt 0:05:07]} 23. dxe5 {[%emt 0:00:58]} Ndxe5 {[%emt 0:00:07]} 24. Qe3 {[%emt 0:00:51]} Bf6 {[%emt 0:01:14]} ({Resist} 24... Qd7 25. Bxe5 Bc5 26. Qxc5 $16) 25. Rad1 {[%emt 0:01:48]} Qd7 $1 {[%emt 0:02:30]} 26. Qh3 {[%emt 0:04:20]} Qxg4+ {[%emt 0:06:36]} 27. Qxg4 {[%emt 0:00:03]} Nxg4 {[%emt 0:00:04]} 28. Rxd5 {[%emt 0:00:37]} (28. Bb3 $142) 28... Bg7 {[%emt 0:01:25]} (28... bxc3 $11 29. bxc3 {[#]} Nb4 $1) 29. Bg3 {[%emt 0:01:59]} (29. Rc5 $14 Rfe8 30. Re1) 29... Rfe8 {[%emt 0:00:53] [#]} ({Better is} 29... bxc3 $11 30. Rg5 Nge5 31. Bb3+ Kh8 32. bxc3 Rce8) 30. Bb3 $1 $14 {[%emt 0:01:17][%cal Bc2b3,Bb3c4,Bc4a6,Ba6b5,Bb5a4,Ba4d1][%mdl 32] Black must now prevent Rd8+.} a4 {[%emt 0:03:10]} (30... bxc3 31. Nxc3) 31. Bc4 {[%emt 0:00:17] Rc5+ is the strong threat.} Kh8 $1 {[%emt 0:00:06]} 32. Ba6 {[%emt 0:01:01]} Rcd8 {[%emt 0:02:04]} 33. Rxd8 {[%emt 0:00:38]} Rxd8 {[%emt 0:00:01]} 34. Bb5 {[%emt 0:00:17][%csl LRa4,LRc6] This bishop pair is nice.} Nce5 {[%emt 0:01:44]} 35. Bxa4 {[%emt 0:00:52]} Rd2 {[%emt 0:00:02][%csl LRb2,LRe2]} 36. Rd1 {[%emt 0:00:15]} Rxd1 {[%emt 0:02:58] Black cannot hold the game after this.} (36... bxc3 $14 37. b4 (37. bxc3 Rxe2 38. Rd8+ Bf8 $11) 37... Nc4 38. Rxd2 cxd2) 37. Bxd1 $18 {[%emt 0:00:05]} Nd3 {[%emt 0:00:41]} 38. cxb4 {[%emt 0:02:33]} Nxb4 {[%emt 0:00:35]} 39. a3 {[%emt 0:00:00]} Nd5 {[%emt 0:01:05]} (39... Nd3 40. b4 Be5) 40. b4 {[%emt 0:00:08] And now Bb3 would win.} Bb2 {[%emt 0:00:51]} (40... Be5 $142 41. Bb3 Bxg3 42. fxg3 Nc7) 41. Bb3 {[%emt 0:00:00]} Bxa3 {[%emt 0:00:00]} 42. Bxd5 {[%emt 0:00:00]} Bxb4 {[%emt 0:00:00]} 43. Be6 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 44. Be5 {[%emt 0:00:00][%cal Re5f6]} Kg7 {[%emt 0:00:00]} 45. Nf4 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 46. Nd5 {[%emt 0:00:00]} Bd8 {[%emt 0:00:00]} 47. f4 {[%emt 0:00:00] Threatening mate with Kg3.} h6 {[%emt 0:00:00]} 48. Kh3 {[%emt 0:00:00] Weighted Error Value: White=0.07 (flawless) /Black=0.44} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.22"]
[Round "5.4"]
[White "Van der Poel, Henk"]
[Black "Vroombout, Enrico"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2210"]
[BlackElo "2125"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,101,33,42,41,52,54,56,49,59,52,59,58,74,70,74,78,100,50,50,50,64,50,63,50,58,23,57,64,57,24,47,25,25,25,26,17,53,80,79,18,79,18,120,127,127,127,127,127,161,161,161,161,161,161,421,234,244,1,37,-46,371,362,512,273,431,431,1149,1150,883,606,553,0,1155,1185,1149,1137,1031,1038,1017,973,973,629,1321,757,747,717,804,754,847,854,866,887,1261,1189]} 1. e4 {[%emt 0:00:10]} c5 {[%emt 0:00:03]} 2. Nc3 {[%emt 0:00:22]} Nc6 {[%emt 0:00:03]} 3. Bb5 {[%emt 0:00:28]} g6 {[%emt 0:00:33]} 4. Bxc6 {[%emt 0:00:40]} dxc6 {[%emt 0:00:10]} 5. f4 {[%emt 0:00:59]} Bg7 {[%emt 0:04:11]} 6. Nf3 {[%emt 0:00:41] B23: Closed Sicilian: Lines without g3.} Nh6 {[%emt 0:00:44][%cal Oe7e5]} 7. d3 {[%emt 0:01:13]} b6 {[%emt 0:04:26][%cal Oc5c4]} 8. O-O {[%emt 0:01:45] White is slightly better.} f6 {[%emt 0:06:09]} 9. Qe1 {[%emt 0:05:19]} Nf7 {[%emt 0:07:31]} 10. Be3 {[%emt 0:08:08] [#]} e5 $146 {[%emt 0:03:49]} ({Predecessor:} 10... O-O 11. Qg3 e5 12. Ne2 Qe7 13. fxe5 fxe5 14. h4 Be6 15. Ng5 Nd6 16. Nxe6 Qxe6 {½-½ (42) Keller,P (1947)-Koop,T (2090) Xanten 2011}) 11. f5 {[%emt 0:17:32]} g5 {[%emt 0:36:11]} 12. Nd2 {[%emt 0:08:28] White is more active.} Nd6 {[%emt 0:01:41]} 13. a4 {[%emt 0:01:52]} (13. a3 $16) 13... a5 $1 $14 {[%emt 0:00:35]} 14. Ne2 {[%emt 0:09:06]} Ba6 {[%emt 0:00:22]} 15. b3 {[%emt 0:00:38]} Qc7 {[%emt 0:03:49]} 16. Qf2 {[%emt 0:10:00]} Bf8 {[%emt 0:03:59]} 17. Nc3 {[%emt 0:00:40]} O-O-O {[%emt 0:08:04]} 18. Nd1 {[%emt 0:00:21][%cal Ob3b4]} Kb7 {[%emt 0:04:09]} 19. Nb2 {[%emt 0:00:22]} Nf7 {[%emt 0:00:52]} 20. Rfd1 {[%emt 0:03:00]} h5 {[%emt 0:00:13]} 21. Ndc4 {[%emt 0:00:53]} Nh6 {[%emt 0:00:33]} 22. h3 {[%emt 0:02:42] Against Ng4. White wants to play c3.} g4 {[%emt 0:01:39][%cal Oh5h4]} 23. Kf1 {[%emt 0:04:18]} h4 {[%emt 0:06:00]} 24. Ke2 {[%emt 0:05:54]} ({Better is} 24. Qxh4 $16 gxh3 25. gxh3 (25. Qxf6 Be7 $11)) 24... Qg7 {[%emt 0:03:36]} (24... g3 $11 {keeps the balance.} 25. Qf3 Nf7) 25. Rh1 {[%emt 0:02:06]} (25. b4 $16) 25... Nf7 {[%emt 0:00:36] [#]} (25... g3 $1 $11 {remains equal.} 26. Qf3 Nf7) 26. hxg4 $1 $16 {[%emt 0:01:28]} Qxg4+ {[%emt 0:00:10]} 27. Qf3 {[%emt 0:00:08]} Qg8 {[%emt 0:01:11]} 28. Rh2 {[%emt 0:02:10]} Ng5 {[%emt 0:01:20]} 29. Qf2 {[%emt 0:00:56]} Rd7 {[%emt 0:00:51]} 30. Rah1 {[%emt 0:00:33]} (30. Rxh4 $6 Rxh4 31. Qxh4 Rh7 $16) 30... Rg7 {[%emt 0:00:41][%cal Oh4h3]} 31. Kd1 {[%emt 0:02:48]} (31. Rxh4 Rxh4 32. Qxh4 (32. Rxh4 Nxe4 33. Qf3 Nc3+ 34. Kf2 Rh7 $11) 32... Rh7 $16) 31... b5 $2 {[%emt 0:00:30]} (31... Be7 32. Rxh4 Rxh4 33. Rxh4 (33. Qxh4 Nf7 $16) 33... Bd8) 32. Nd2 {[%emt 0:02:27]} (32. Nxa5+ $142 Ka8 33. Bxc5) 32... c4 {[%emt 0:00:12]} 33. Ba7 $2 {[%emt 0:00:49]} (33. dxc4 $6 bxc4 34. Bxg5 (34. bxc4 Rd7 $16) (34. Rxh4 Rxh4 35. Rxh4 c3 $11) (34. Nbxc4 Bxc4 35. Bxg5 Rd7 $16) 34... Rd7 35. Nbxc4 (35. Bxf6 c3 $11) 35... Bxc4 $16) (33. Rxh4 Rxh4 34. Rxh4 (34. Qxh4 $2 c3 $19) 34... c3 $17) (33. bxc4 $18 Bb4 34. cxb5 (34. Rxh4 Rxh4 35. Rxh4 Nf7 $18) (34. Ba7 Ka8 $16) 34... cxb5 35. Nb3 (35. Rxh4 Rxh4 36. Rxh4 Nf7 $18) (35. Ba7 Ka8 $16)) 33... Ka8 $11 {[%emt 0:00:07] [#]} 34. axb5 {[%emt 0:01:11]} (34. Qb6 $1 $14 Rxa7 35. Qxc6+ Kb8 36. axb5) 34... Rxa7 $4 {[%emt 0:00:19][%mdl 8192] White now steadily converts the win.} (34... cxb5 $15 {keeps the upper hand.} 35. Bc5 c3 36. Bxf8 Qxf8) 35. bxa6 $18 {[%emt 0:02:25]} c3 {[%emt 0:01:10]} (35... cxd3 $142 36. Qb6 (36. cxd3 Rxa6 37. Rxh4 Rxh4 $18) (36. Rxh4 Rxh4 37. Rxh4 dxc2+ 38. Kxc2 Rxa6 $16) (36. Nxd3 Rxa6 37. Rxh4 Rxh4 $18) 36... dxc2+ 37. Kxc2 Be7 38. Qxc6+ Kb8 39. Rxh4 Rxh4 40. Qb6+ (40. Rxh4 Rc7 $16) 40... Ka8 41. Rxh4 Qe8) 36. Nbc4 {[%emt 0:00:13]} cxd2 {[%emt 0:00:14]} (36... Rxa6 {keeps fighting.} 37. Nb6+ Kb7) 37. Qb6 {[%emt 0:00:19][%cal Rb6d8]} Bb4 {[%emt 0:00:44]} (37... Rf7 $142 38. Qxc6+ Ka7 39. Qb6+ Ka8 40. Qc6+ (40. Rxh4 Nxe4 41. Qc6+ Ka7 $18) 40... Ka7 41. Rxh4 Rxh4 42. Qb6+ (42. Rxh4 Bb4 $16) 42... Ka8 43. Qd8+ (43. Rxh4 Bb4 $16) 43... Ka7 44. Rxh4 Qg7 45. Qb6+ (45. Kxd2 Rc7 $16) (45. Nxd2 Rd7 $16) (45. Qxa5 Nf3 $16) 45... Ka8 46. Nxa5 Qg8 47. Kxd2 Bg7 48. Qc6+ Ka7 49. Qc5+ Kxa6) 38. Qxc6+ {[%emt 0:02:41]} Kb8 {[%emt 0:00:04]} 39. Qb6+ {[%emt 0:00:13]} Ka8 {[%emt 0:00:05][%cal Og5e6]} 40. Qc6+ {[%emt 0:01:09]} (40. c3 $142) 40... Kb8 {[%emt 0:00:03][%cal Og5e6]} 41. Qb5+ {[%emt 0:00:00] White is clearly winning.} Kc8 {[%emt 0:00:00]} 42. Nb6+ {[%emt 0:00:00]} Kd8 {[%emt 0:00:00]} 43. Nd5 {[%emt 0:00:00] White wants to mate with Qb8+.} Kc8 {[%emt 0:00:00] Against Qb8+} 44. Qc6+ {[%emt 0:00:00]} Kb8 {[%emt 0:00:00]} 45. c3 {[%emt 0:00:00]} Qc8 {[%emt 0:00:00]} 46. Qb6+ {[%emt 0:00:00]} Ka8 {[%emt 0:00:00]} 47. Qxf6 {[%emt 0:00:00]} Rxa6 {[%emt 0:00:00]} 48. Qxg5 {[%emt 0:00:00]} Bxc3 {[%emt 0:00:00]} 49. Rxh4 {[%emt 0:00:00]} Rxh4 {[%emt 0:00:00]} 50. Qxh4 {[%emt 0:00:00] Qh8 is the strong threat.} Rd6 {[%emt 0:00:00]} 51. Qh8 {[%emt 0:00:00] Weighted Error Value: White=0.67/Black=0.48} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.22"]
[Round "5.5"]
[White "Bruil, Rembrandt"]
[Black "Pronk, Sven"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2204"]
[BlackElo "2105"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,81,21,105,108,104,50,111,121,116,122,117,117,120,67,169,100,159,158,190,189,194,191,263,205,323,330,300,310,291,236,239,245,247,225,233,196,246,243,220,181,166,156,191,166,160,160,160,161,210,192,306,279,260,167,372,365,512,514,818,816,776,596]} 1. Nf3 {[%emt 0:00:03]} d5 {[%emt 0:00:38]} 2. g3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:22]} 3. Bg2 {[%emt 0:00:03]} e6 {[%emt 0:00:30]} 4. O-O {[%emt 0:00:06]} Be7 {[%emt 0:00:59]} 5. c4 {[%emt 0:00:14]} O-O {[%emt 0:00:07]} 6. b3 {[%emt 0:00:20]} c5 {[%emt 0:00:55]} 7. cxd5 {[%emt 0:00:19]} exd5 {[%emt 0:00:09]} 8. d4 {[%emt 0:00:06]} Nc6 {[%emt 0:00:07]} 9. Bb2 {[%emt 0:00:05]} Ne4 {[%emt 0:00:08]} 10. Nc3 {[%emt 0:00:10]} Bf6 {[%emt 0:00:05]} 11. Na4 {[%emt 0:00:35]} b5 {[%emt 0:01:11]} (11... cxd4 $11 {keeps the balance.} 12. Nxd4 Bd7) 12. Nxc5 $16 {[%emt 0:25:29] D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} Nxc5 {[%emt 0:12:43]} 13. Qc2 {[%emt 0:08:19] [#]} ({White should play} 13. Rc1 $16) 13... Nb4 $146 {[%emt 0:25:57]} ({Predecessor:} 13... Nxb3 14. axb3 Qb6 15. e3 Be6 16. Rfc1 Rfc8 17. Qd2 a5 18. Ne5 Nb4 19. Bc3 {½-½ (19) Girard,E (2144)-Charvin,O (2084) Aix les Bains 2003}) 14. Qxc5 {[%emt 0:00:25] White is better.} Be7 {[%emt 0:00:05]} 15. Qc1 {[%emt 0:02:14]} ({Don't go for} 15. Qxb5 $2 a6 16. Qc5 (16. Qa4 $2 Bd7 $19) 16... Bxc5 $19) 15... Bf5 {[%emt 0:04:26]} 16. Qf4 {[%emt 0:29:24]} Be4 {[%emt 0:04:42]} 17. a3 {[%emt 0:11:58]} (17. Qd2 $16) 17... Bd6 {[%emt 0:08:16]} (17... Nc2 $14) 18. Qd2 {[%emt 0:01:00]} (18. Ne5 $18 Bxg2 19. Kxg2) 18... Rc8 {[%emt 0:12:09]} 19. Rac1 {[%emt 0:01:03]} ({Much less strong is} 19. axb4 $6 Rc2 $14) 19... Nc6 {[%emt 0:13:22] [#]} 20. Bh3 $1 $36 {[%emt 0:04:38][%mdl 2048] White is in control.} Rc7 {[%emt 0:03:06]} 21. Ne5 {[%emt 0:00:35]} Na5 {[%emt 0:02:34]} (21... Ne7 $142 22. Rxc7 Bxc7) 22. Rxc7 $18 {[%emt 0:04:32]} Qxc7 {[%emt 0:01:33] [#]} (22... Bxc7 $142 23. Qc3 Bd6) 23. Rc1 $1 {[%emt 0:04:07]} Nxb3 {[%emt 0:01:13]} 24. Rxc7 {[%emt 0:00:05]} Nxd2 {[%emt 0:00:04]} 25. Rxa7 {[%emt 0:00:18][%cal Oe5f7] Threatens to win with Nxf7!} Nc4 {[%emt 0:05:31]} 26. Nxc4 {[%emt 0:05:02]} dxc4 {[%emt 0:00:28]} 27. f3 {[%emt 0:00:20]} Bc2 {[%emt 0:01:43]} 28. Bc3 {[%emt 0:00:29]} Bd1 {[%emt 0:00:46]} (28... Ba4 $142 29. Bd7 Rb8) 29. Kf2 {[%emt 0:00:09]} Ba4 {[%emt 0:00:29]} 30. e4 {[%emt 0:00:25]} Bxa3 {[%emt 0:00:18]} 31. Rb7 {[%emt 0:01:05]} Bd6 {[%emt 0:00:33]} 32. Bd7 {[%emt 0:01:12]} Rb8 {[%emt 0:00:41]} 33. Rxb8+ {[%emt 0:00:14]} Bxb8 $16 {[%emt 0:00:01][%mdl 4096] Endgame KBB-KBB} 34. Bb4 {[%emt 0:00:23]} g5 {[%emt 0:00:30]} (34... Bc7 {keeps fighting.} 35. f4 Bb6) 35. Ke3 $18 {[%emt 0:00:50]} h5 {[%emt 0:00:41]} (35... c3 $142 36. Bxc3 b4) 36. e5 {[%emt 0:01:08]} Kg7 {[%emt 0:00:37]} 37. Ke4 {[%emt 0:00:19] And now d5 would win.} Bb3 $2 {[%emt 0:00:40]} (37... Bc2+ 38. Ke3 Ba4) 38. Bxb5 {[%emt 0:00:16]} h4 {[%emt 0:00:36]} (38... Bc2+ $142 39. Ke3 Bd3) 39. Kf5 {[%emt 0:00:51] White is clearly winning.} Kh6 {[%emt 0:00:33]} (39... Bc7 $142 40. Kxg5 Bb6) 40. gxh4 {[%emt 0:00:33]} gxh4 {[%emt 0:00:13]} 41. Kf6 {[%emt 0:00:00] Weighted Error Value: White=0.14 (very precise) /Black=0.53} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.22"]
[Round "5.6"]
[White "Van Arkel, Rogier"]
[Black "Kumar, Prajit Sai"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2187"]
[BlackElo "2040"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,52,41,38,45,52,27,28,21,29,0,0,0,0,0,0,0,0,6,10,-17,-15,-357,-368,-460,-456,-501,-476,-493,-481,-637,-635,-700,-626,-696,-702,-735,-729,-690,-673,-1167,-1163,-1095,-679,-993,-984]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:32]} e5 {[%emt 0:00:50]} 4. O-O {[%emt 0:03:35]} Bd6 {[%emt 0:00:47]} 5. c3 {[%emt 0:02:02]} a6 {[%emt 0:00:31]} 6. Ba4 {[%emt 0:03:39] B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} b5 {[%emt 0:00:41]} 7. Bc2 {[%emt 0:01:31]} Nge7 {[%emt 0:00:53]} 8. a4 {[%emt 0:11:35] Threatens to win with axb5. White has an edge.} b4 {[%emt 0:00:11]} 9. d4 {[%emt 0:07:19]} cxd4 {[%emt 0:05:09]} 10. cxd4 {[%emt 0:00:31] [#]} Nxd4 $146 {[%emt 0:02:57]} ({Predecessor:} 10... exd4 11. Nxd4 Nxd4 12. Qxd4 Qc7 13. h3 a5 14. Bb3 Be5 15. Qc4 Qxc4 16. Bxc4 Bb7 {1-0 (44) Saydaliev,S (2384)-Nigmatov,O (2447) Tashkent 2020}) 11. Nxd4 {[%emt 0:00:16]} exd4 {[%emt 0:00:07]} 12. Nd2 {[%emt 0:08:45][%cal Bb1d2,Bd2f3,Bf3g5][%mdl 32]} Qc7 {[%emt 0:00:44]} 13. Nf3 {[%emt 0:00:35]} O-O {[%emt 0:04:54]} 14. e5 {[%emt 0:16:19]} Bxe5 {[%emt 0:02:19]} 15. Bxh7+ $2 {[%emt 0:09:37][%mdl 8192] White does not recover from this.} Kxh7 $19 {[%emt 0:01:22]} 16. Ng5+ {[%emt 0:00:06]} Kg8 {[%emt 0:06:31] Black is clearly winning.} 17. Qd3 {[%emt 0:05:02][%csl Gg5][%cal Rd3h7] [#]} Ng6 {[%emt 0:03:18]} ({Wrong is} 17... Bxh2+ $2 18. Kh1 Ng6 19. f4 $19) 18. Qh3 {[%emt 0:00:47][%csl Gg5][%cal Rh3h7]} Re8 {[%emt 0:04:30]} 19. Qf3 {[%emt 0:04:14]} d5 {[%emt 0:01:06]} 20. Bd2 {[%emt 0:04:45]} a5 {[%emt 0:02:37]} 21. Rac1 {[%emt 0:00:25]} Qd7 {[%emt 0:00:54]} 22. Qh5 {[%emt 0:00:57]} Ba6 {[%emt 0:03:12]} 23. Rfe1 {[%emt 0:00:54]} Nf8 {[%emt 0:03:13]} 24. Rc6 {[%emt 0:02:11]} g6 {[%emt 0:00:52]} ({Inferior is} 24... Qxc6 25. Qxf7+ Kh8 26. Qh5+ Kg8 27. Qf7+ Kh8 28. Qh5+ Kg8 29. Qf7+ $11) 25. Qf3 {[%emt 0:01:21]} f6 {[%emt 0:05:37]} 26. Rxe5 {[%emt 0:01:17]} Qxc6 {[%emt 0:01:10] Weighted Error Value: White=0.76/Black=0.05 (flawless)} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.22"]
[Round "5.7"]
[White "Duchene, Rene"]
[Black "Croese, Cor"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2137"]
[BlackElo "2173"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,33,22,14,54,25,39,37,95,6,103,106,113,117,242,160,262,281,902,874]} 1. Nf3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:07]} 2. c4 {[%emt 0:00:10]} g6 {[%emt 0:00:07]} 3. d4 {[%emt 0:00:24]} Bg7 {[%emt 0:00:08]} 4. e3 {[%emt 0:00:12]} O-O {[%emt 0:00:40]} 5. Be2 {[%emt 0:00:20]} d6 {[%emt 0:00:12]} 6. Nc3 {[%emt 0:00:17]} Nbd7 {[%emt 0:00:46]} 7. O-O {[%emt 0:00:17]} e5 {[%emt 0:00:30]} 8. Qc2 {[%emt 0:00:51]} c6 {[%emt 0:08:17]} 9. b3 {[%emt 0:04:18]} Ne8 {[%emt 0:03:31] E61: King's Indian: Early deviations for White, including Smyslov System.} 10. Rd1 {[%emt 0:01:52]} f5 {[%emt 0:02:50]} 11. dxe5 {[%emt 0:01:38]} dxe5 {[%emt 0:01:05] [#]} (11... Nxe5 $14 12. Bb2 Qe7) 12. e4 $146 {[%emt 0:05:28]} (12. Ba3 $16) ({Predecessor:} 12. Ba3 Rf7 13. c5 Kh8 14. Bc4 Rf8 15. Bb2 Qf6 16. b4 e4 17. Nd4 Ne5 18. Bb3 {0-1 (36) Mohd Salem,M-Ceballos Muez,M Al Ain 2013}) 12... f4 {[%emt 0:02:53]} (12... Qe7 $1 $11 {keeps the balance.}) 13. Ba3 $16 {[%emt 0:12:44]} Rf7 {[%emt 0:00:08]} 14. c5 $36 {[%emt 0:00:41][%mdl 2048] White is really pushing. White is more active.} Qa5 {[%emt 0:25:49]} (14... Kh8 $16 15. Rd2 Qe7) 15. Qc1 {[%emt 0:01:38]} b5 {[%emt 0:13:40]} (15... Kh8 $16 {keeps fighting.} 16. Ng5 Rf6) 16. cxb6 $18 {[%emt 0:04:17]} Nxb6 {[%emt 0:00:07] [#]} (16... axb6 17. Bc4 Qxa3) 17. b4 {[%emt 0:01:28] Weighted Error Value: White=0.29 (precise) /Black=0.78} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.22"]
[Round "5.8"]
[White "Schilstra, Laurens"]
[Black "Baarslag, Ed"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1993"]
[BlackElo "2161"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,116,0,0,0,0,0,0,0,0,0,10,-59,-60,-100,-109,-107,-84,-98,-86,-83,-12,-10,-2,-4,0,-5,-26,-3,-6,-151,-102,-106,-116,-143,-137,-135,-144,-144,-133,-130,-145,-141,-131,-116,0,-85,-66,-106,-120,-284,-143,-133,-104,-225,-222,-179,0,0,0,0,47,0,0,0,0,0,0,-56,0,0,7,49,111,26,517,0,69,0,388,398,380,170,396,378,359,378,368,119,277,0,0,0,220,-167,-137,-588,-552,-12838,-12839,-12841,-12840,-12844,-12844,-12845,-12845,-12846,-12845,-12845,-12845]} 1. e4 {[%emt 0:00:03]} c6 {[%emt 0:00:26]} 2. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:11]} 3. e5 {[%emt 0:00:17]} c5 {[%emt 0:00:32]} 4. dxc5 {[%emt 0:00:11]} e6 {[%emt 0:00:13]} 5. a3 {[%emt 0:00:05]} Bxc5 {[%emt 0:00:16]} 6. b4 {[%emt 0:00:05] B12: Caro-Kann: Advance Variation.} Be7 {[%emt 0:00:28]} 7. Bd3 {[%emt 0:08:52]} a5 {[%emt 0:01:48]} 8. b5 {[%emt 0:00:37] Prevents Nc6. The position is equal.} Nd7 {[%emt 0:00:22][%cal Bb8d7,Bd7e5,Be5g6][%mdl 32]} 9. Nf3 {[%emt 0:01:10]} f6 {[%emt 0:01:07]} 10. exf6 {[%emt 1:24:04]} (10. Bb2 $11) 10... Bxf6 $15 {[%emt 0:04:38] [#]} (10... Ngxf6 11. Bb2 $11) 11. c3 $146 {[%emt 0:00:00][%cal Of3g5]} ({Predecessor:} 11. Ra2 e5 12. Be2 Ne7 13. O-O O-O 14. c4 d4 15. Bd3 Nc5 16. Re1 Qd6 17. Bb2 Be6 18. a4 Qc7 19. Na3 b6 20. Qd2 Nxa4 21. Bxd4 Nc5 22. Bb2 {½-½ (22) Casares Bonals,A (1637)-Mut Company,G (1898) Badalona 2018}) 11... e5 $1 {[%emt 0:06:24][%cal Be6e5,Be5e4][%mdl 32]} 12. Bc2 {[%emt 0:00:00]} e4 {[%emt 0:01:43]} 13. Nd4 {[%emt 0:00:00]} (13. Qxd5 exf3 14. Qxf3 Ne5) (13. Qxd5 $2 exf3 14. Qxf3 Ne5 $19) 13... Ne5 $36 {[%emt 0:01:20][%mdl 2048] White is under strong pressure.} (13... Ne7) 14. O-O {[%emt 0:00:00]} Bg4 {[%emt 0:04:46]} ({Better is} 14... Ne7 $17) 15. f3 $11 {[%emt 0:00:00]} exf3 {[%emt 0:05:01]} 16. gxf3 {[%emt 0:00:00]} Bh5 {[%emt 0:00:53]} 17. Bf4 {[%emt 0:00:00]} Ne7 {[%emt 0:21:57][%cal Bg8e7,Be7f5,Bf5d4][%mdl 32]} 18. Re1 {[%emt 0:00:00]} N5g6 {[%emt 0:06:21]} 19. Be3 {[%emt 0:00:00]} (19. Ne6 $1 $11 {remains equal.} Qb6+ 20. Kh1) 19... Bxd4 {[%emt 0:01:59]} (19... O-O $142 {aiming for ...Nh4.} 20. Nd2 Qd6) 20. Qxd4 {[%emt 0:00:00]} O-O {[%emt 0:00:25]} 21. Bg5 {[%emt 0:00:00]} Nf5 {[%emt 0:08:34]} 22. Bxd8 {[%emt 0:00:00]} Nxd4 {[%emt 0:00:04]} 23. cxd4 {[%emt 0:00:00]} Raxd8 {[%emt 0:00:12]} 24. Nd2 {[%emt 0:00:00]} Rf4 {[%emt 0:02:59]} (24... Bxf3 $6 25. Bxg6 hxg6 26. Re7 $11) 25. Bxg6 {[%emt 0:00:00]} Bxg6 {[%emt 0:00:07]} 26. Re7 {[%emt 0:00:00]} Rc8 {[%emt 0:06:34]} ({Don't play} 26... Rxd4 $6 27. Nb3 Rf4 28. Nxa5 $11) ({Black should play} 26... b6 $17 27. Rb7 Rxd4) 27. Ra2 {[%emt 0:00:00]} (27. Rxb7 $11 {keeps the balance.} Rc2 28. Nb3) 27... b6 $17 {[%emt 0:01:37]} ({Much weaker is} 27... Rxd4 $6 28. Rxb7 Bc2 29. Nf1 $11) 28. Rb7 {[%emt 0:00:00]} Rf6 {[%emt 0:00:54] Black is more active.} 29. Rd7 $2 {[%emt 0:00:00]} (29. Kf2 $17 {might work better.}) 29... Re6 {[%emt 0:03:41]} (29... Bf5 $1 $19 {[%cal Rf5d7]} 30. Re7 Rg6+ 31. Kf2 Bh3) 30. Kf2 {[%emt 0:00:00]} Bd3 {[%emt 0:00:16]} 31. Rxd5 {[%emt 0:00:00]} (31. Nf1 $17 {was forced.}) 31... Re2+ $19 {[%emt 0:00:22]} 32. Kg3 {[%emt 0:00:00]} Bc4 $2 {[%emt 0:00:24]} (32... Rc1 $1 $19 {[%cal Rc1d1]} 33. Kf4 h6) 33. Nxc4 $11 {[%emt 0:00:00]} Rxa2 {[%emt 0:00:10]} 34. Nxb6 {[%emt 0:00:00][%mdl 4096] Endgame KRR-KRN} Rcc2 {[%emt 0:00:58]} (34... Rc3 $11) 35. a4 {[%emt 0:01:41]} (35. Rc5 $1 $14 {is superior.}) 35... Rg2+ {[%emt 0:01:35]} 36. Kf4 {[%emt 0:00:20]} Rxh2 {[%emt 0:00:17]} 37. Rd8+ {[%emt 0:01:31]} Kf7 {[%emt 0:00:08]} 38. d5 {[%emt 0:00:05]} (38. Rd7+ $11 Kf6 39. Rd6+ Kf7 40. Rd7+ Kf6 41. Rd6+ Kf7 42. Rd7+) 38... Rh4+ {[%emt 0:04:51]} (38... Rh6 $1 $15 39. Nc8 Rh4+ 40. Ke5 (40. Kg5 Rh3 $17) 40... Re2+ 41. Kd6 Rxa4 42. Rd7+ Kf6) 39. Ke5 {[%emt 0:03:31]} Re2+ {[%emt 0:01:15]} 40. Kd6 $1 {[%emt 0:00:35]} Rc2 {[%emt 0:05:53] Hoping for ...Rh6+.} 41. Rd7+ {[%emt 0:01:38]} (41. Rc8 $1 $16 {[%cal Rc8c2]} Rxc8 42. Nxc8) 41... Kf8 $2 {[%emt 0:00:14][%mdl 8192]} (41... Ke8 $1 $11 42. Re7+ Kd8) 42. Rd8+ $2 {[%emt 0:00:11]} (42. Rc7 $18 Rh6+ 43. Kd7) 42... Kf7 $14 {[%emt 0:00:09]} 43. Rd7+ $2 {[%emt 0:00:04][%mdl 8192]} (43. Rc8 $1 $14 Rxc8 44. Nxc8 Rxa4 45. b6) 43... Kf8 $18 {[%emt 0:00:13] And now ...Rh6+ would win.} 44. Re7 {[%emt 0:01:16]} h5 {[%emt 0:01:42]} (44... Rh6+ 45. Re6 Rh1 46. Nd7+ Kf7 47. Re7+ Kg6 48. Ne5+ Kf6 49. Rf7+ Kg5 50. Rxg7+ Kh6 51. Rg8 $18) 45. Nd7+ {[%emt 0:02:47]} Kg8 {[%emt 0:00:07]} 46. Nc5 {[%emt 0:01:54] b6 is the strong threat.} Rb4 {[%emt 0:09:24]} 47. Ne6 {[%emt 0:01:27]} Rxa4 {[%emt 0:00:00]} 48. Rxg7+ {[%emt 0:00:13]} Kh8 {[%emt 0:00:00]} 49. b6 $2 {[%emt 0:01:01]} (49. Ke5 $1 $18 {[%cal Re5f6]}) 49... Rb4 $11 {[%emt 0:00:00]} 50. Rb7 {[%emt 0:00:00] Strongly threatening Ke5.} a4 $2 {[%emt 0:00:00] [#]} (50... Rcb2 $11 {and Black has nothing to worry.}) 51. Nc5 $4 {[%emt 0:00:00][%mdl 8192]} (51. Ke5 $1 $18 {was the only winning move. Threatens to win with Rb8+.} a3 52. Rb8+ Kh7 53. Kf6) 51... a3 $19 {[%emt 0:00:00]} 52. Rb8+ $2 {[%emt 0:00:00][%mdl 8192] [#]} (52. Nd7 $17 a2 53. Ra7) 52... Kh7 $1 {[%emt 0:00:00] White must now prevent ...a2. Black is clearly winning.} 53. b7 {[%emt 0:00:00]} Rb6+ {[%emt 0:00:00]} 54. Kc7 {[%emt 0:00:00]} Rb5 {[%emt 0:00:00]} 55. Ra8 {[%emt 0:00:00]} Rcxc5+ {[%emt 0:00:00]} 56. Kd6 {[%emt 0:00:00]} Rxd5+ {[%emt 0:00:00]} 57. Kc6 {[%emt 0:00:00]} Rdc5+ {[%emt 0:00:00]} 58. Kd6 {[%emt 0:00:00]} Rc3 {[%emt 0:00:00] Quite a comeback for Black.  Weighted Error Value: White=0.82/Black=0.37} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.22"]
[Round "5.9"]
[White "Bullen, Alex"]
[Black "Kanis, Sierk"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "2106"]
[BlackElo "1985"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,135,0,0,-10,4,2,0,0,0,0,12,-4,6,-31,-31,-25,-37,-34,0,0,55,44,37,39,55,48,60,50,62,6,6,6,6,2,11,0,12,7,-3,-19,0,-9,-11,-25,-5,-24,-5,-27,-25,-26,-8,-8,-24,-56,-10,-12,0,-11,0,-100,0,-54,-43,-86,27,27,27,27,27,27,41,41,41,41,41,41,41,41,41,41,41,14,14,14,14,14,38,13,89,89,89,89,183,0,189,160,182,182,149,9,9,9,9,9,9,9,9,0,0,0,9,9,8,0,0,0,13,13,29,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:08]} 2. Nf3 {[%emt 0:00:11]} c5 {[%emt 0:00:27]} 3. e3 {[%emt 0:00:10]} d5 {[%emt 0:00:28]} 4. h3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:45]} 5. Bb5 {[%emt 0:00:42]} Bd7 {[%emt 0:02:57]} 6. O-O {[%emt 0:00:12] D04: Colle System.} e6 {[%emt 0:02:33]} 7. b3 {[%emt 0:01:35] [#]} cxd4 $146 {[%emt 0:01:18]} ({Predecessor:} 7... Rc8 8. Bb2 cxd4 9. exd4 Nb4 10. Bxd7+ Qxd7 11. c4 Nc6 12. Qe2 Be7 13. Nbd2 O-O {½-½ (19) Egorov,V (2041)-Sloboda,V (2188) LSS email 2017}) 8. exd4 {[%emt 0:00:28]} Rc8 {[%emt 0:01:57]} 9. Re1 {[%emt 0:17:03]} Bd6 {[%emt 0:01:24]} 10. Bb2 {[%emt 0:03:12]} O-O {[%emt 0:00:41]} 11. a3 {[%emt 0:02:28]} Ne4 {[%emt 0:01:28]} 12. Bd3 {[%emt 0:01:07]} f5 {[%emt 0:00:40]} 13. c4 {[%emt 0:01:51]} Qf6 {[%emt 0:03:03]} (13... Be8 $5 {[%cal Re8h5]}) 14. Nc3 {[%emt 0:07:57]} Be8 {[%emt 0:01:04]} (14... Ne7 $11) 15. cxd5 $14 {[%emt 0:02:37]} Nxc3 {[%emt 0:03:16]} 16. Bxc3 {[%emt 0:00:27]} exd5 {[%emt 0:02:25]} 17. Ne5 {[%emt 0:01:51]} Qh4 {[%emt 0:06:26]} 18. Qf3 {[%emt 0:10:55]} Ne7 {[%emt 0:03:02]} 19. Bb2 {[%emt 0:06:03] White is more active.} (19. Bf1 $1 $14) 19... Bh5 $11 {[%emt 0:01:15]} 20. Qg3 {[%emt 0:01:48]} Qxg3 {[%emt 0:07:44]} 21. fxg3 {[%emt 0:00:30]} Be8 {[%emt 0:05:16]} 22. Re2 {[%emt 0:01:32]} Nc6 {[%emt 0:04:27]} 23. Rf1 {[%emt 0:02:09]} g6 {[%emt 0:03:06]} 24. g4 {[%emt 0:01:39][%cal Rg4f5]} fxg4 {[%emt 0:03:16]} 25. Rxf8+ {[%emt 0:00:24]} Bxf8 {[%emt 0:02:10]} 26. hxg4 {[%emt 0:02:29]} Bg7 {[%emt 0:02:35]} 27. b4 {[%emt 0:02:15]} Bf7 {[%emt 0:01:29]} 28. Kf2 {[%emt 0:09:54]} Nxe5 {[%emt 0:02:24]} 29. dxe5 {[%emt 0:00:18]} Be6 {[%emt 0:00:24]} 30. g5 {[%emt 0:03:10]} Bf8 {[%emt 0:01:43]} 31. Bd4 {[%emt 0:01:43]} b6 {[%emt 0:04:23]} (31... Be7 $15) 32. Rc2 {[%emt 0:04:05]} Be7 {[%emt 0:00:55]} 33. Be3 {[%emt 0:00:54]} Kf7 {[%emt 0:00:41]} 34. Bf4 {[%emt 0:01:53]} (34. Rxc8 $11 Bxc8 35. Be2) 34... Bd7 {[%emt 0:01:53]} (34... Rxc2+ $17 35. Bxc2 Bf5) 35. Ke3 {[%emt 0:01:25]} (35. Rxc8 $11 Bxc8 36. Kg3) 35... a5 $15 {[%emt 0:03:17]} 36. Kd4 {[%emt 0:07:10]} Ke6 {[%emt 0:03:13]} (36... axb4 $17 37. Rxc8 Bxc8 38. axb4 Bxb4 39. Kxd5 Bb7+ 40. Kd4 Bc5+ 41. Kc3 Bxg2 42. Bc4+ Ke7) 37. Bd2 $11 {[%emt 0:00:53]} axb4 {[%emt 0:09:24]} 38. axb4 {[%emt 0:00:23]} Rxc2 {[%emt 0:01:03]} 39. Bxc2 {[%emt 0:00:03][%mdl 4096] Endgame KBB-KBB} Bb5 {[%emt 0:03:29]} 40. Bd1 {[%emt 0:00:41]} Bc4 $1 {[%emt 0:01:52]} 41. Bg4+ {[%emt 0:01:43]} Kf7 {[%emt 0:00:05]} 42. e6+ {[%emt 0:04:06]} Ke8 {[%emt 0:01:12]} 43. Bf3 {[%emt 0:00:18]} Bd6 $1 {[%emt 0:03:02]} 44. Bxd5 {[%emt 0:00:35]} Ba6 {[%emt 0:01:42]} 45. Ke4 {[%emt 0:00:00]} Bf1 {[%emt 0:00:00]} 46. Kf3 {[%emt 0:00:00]} Ke7 {[%emt 0:00:00]} 47. Bc3 {[%emt 0:00:00]} Ke8 {[%emt 0:00:00]} 48. Kf2 {[%emt 0:00:00]} Ba6 {[%emt 0:00:00]} (48... Bb5 $11 {keeps the balance.}) 49. Bc6+ $1 $16 {[%emt 0:00:00]} Ke7 {[%emt 0:00:00]} 50. Bd7 $1 {[%emt 0:00:00] Black must now prevent Bf6+.} Bc4 {[%emt 0:00:00]} (50... Bf4 $16) 51. Bf6+ $18 {[%emt 0:00:00]} Kf8 {[%emt 0:00:00] [#]} 52. b5 $1 {[%emt 0:00:00]} Bc5+ {[%emt 0:00:00]} 53. Kf3 {[%emt 0:00:00]} Bd5+ {[%emt 0:00:00] [#]} 54. Kf4 {[%emt 0:00:00]} (54. Kg3 $1 $16) 54... Bxg2 $11 {[%emt 0:00:00]} 55. Ke5 {[%emt 0:00:00]} Bf3 {[%emt 0:00:00]} 56. Bd8 {[%emt 0:00:00]} Bg2 {[%emt 0:00:00]} 57. Bc6 {[%emt 0:00:00]} Bh3 {[%emt 0:00:00]} 58. Bd5 {[%emt 0:00:00]} Bf1 {[%emt 0:00:00]} 59. Bc6 {[%emt 0:00:00]} Bh3 {[%emt 0:00:00]} 60. Bf6 {[%emt 0:00:00]} Bg4 {[%emt 0:00:00]} 61. Bd7 {[%emt 0:00:00][%cal Oe6e7] e7+! would kill now.} Bf3 {[%emt 0:00:00]} 62. Kf4 {[%emt 0:00:24]} Bd5 {[%emt 0:00:00]} 63. Bd8 {[%emt 0:01:51]} Bg2 {[%emt 0:01:10]} 64. Bc7 {[%emt 0:01:44]} Ke7 {[%emt 0:00:23] The position is equal.} 65. Ke5 {[%emt 0:01:35]} Bf3 {[%emt 0:01:40]} 66. Kf4 {[%emt 0:00:47]} Bd5 {[%emt 0:00:29]} 67. Ke5 {[%emt 0:00:40]} Bf3 {[%emt 0:00:16]} 68. Kf4 {[%emt 0:01:19] Weighted Error Value: White=0.19 (very precise) /Black=0.17 (very precise)} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.22"]
[Round "5.10"]
[White "Klaren, Duncan"]
[Black "De Groote, Ewoud"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1942"]
[BlackElo "2245"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,82,42,40,47,43,37,24,77,83,86,50,41,27,26,2,15,0,10,0,70,22,28,13,66,57,82,32,49,0,0,0,0,0,0,0,0,-87,0,-104,0,-148,-144,-151,-145,-144,0,0,0,0,0,0,0,0,0,-7,0,-402,-396,-384,-381,-1959,-1895,-2165,-2033,-29995,-29996,-29996,-29997]} 1. e4 {[%emt 0:00:05]} c6 {[%emt 0:01:05]} 2. d4 {[%emt 0:00:17]} d5 {[%emt 0:00:15]} 3. Nc3 {[%emt 0:00:46]} dxe4 {[%emt 0:00:56]} 4. Nxe4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:37]} 5. Nxf6+ {[%emt 0:00:33]} exf6 {[%emt 0:00:05]} 6. c3 {[%emt 0:00:36]} Bd6 {[%emt 0:02:04]} 7. Bd3 {[%emt 0:03:35]} O-O {[%emt 0:04:15]} 8. Ne2 {[%emt 0:01:07]} Qc7 {[%emt 0:02:06]} 9. Qc2 {[%emt 0:08:05]} h5 $1 {[%emt 0:01:38][%mdl 4] is currently scoring better than 9...h6. B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} 10. Be3 {[%emt 0:02:31]} Re8 {[%emt 0:10:06]} 11. O-O-O {[%emt 0:08:02]} h4 {[%emt 0:11:15]} (11... Be6 $11) 12. g3 {[%emt 0:09:07]} h3 {[%emt 0:13:56] [#]} 13. Bf4 $146 {[%emt 0:06:21]} ({Predecessor:} 13. Bh7+ Kf8 14. Bf5 Nd7 15. Bxh3 Nb6 16. Bxc8 Qxc8 17. Qh7 Qg4 18. Rhe1 Nd5 19. h3 {1-0 (65) Dourerassou,J (2477)-Okhotnik,V (2350) Tornelo INT 2020}) 13... Nd7 {[%emt 0:10:19]} 14. Rde1 {[%emt 0:09:00]} Nf8 {[%emt 0:05:01]} 15. Bxd6 {[%emt 0:01:31]} Qxd6 {[%emt 0:00:01]} 16. Nf4 {[%emt 0:01:21]} Bd7 {[%emt 0:03:26]} 17. Bf5 {[%emt 0:05:22]} c5 {[%emt 0:05:26]} (17... Ne6 $11 18. Bxh3 Nxf4 19. Bxd7 Rxe1+ 20. Rxe1 Ng2) 18. Rd1 {[%emt 0:10:49]} ({White should play} 18. Rxe8 $14 Rxe8 19. Bxd7 Qxd7 20. dxc5) 18... Rad8 $11 {[%emt 0:08:08]} 19. Bxd7 {[%emt 0:03:14]} (19. dxc5 {with more complications.} Qxc5 20. Bxd7 Nxd7 21. Nxh3 Ne5 22. Rhe1) 19... Rxd7 {[%emt 0:01:20]} (19... Nxd7 $11 20. dxc5 Qc6) 20. dxc5 $14 {[%emt 0:06:08]} Qxc5 {[%emt 0:00:54]} 21. Rxd7 {[%emt 0:01:04]} ({Better is} 21. Nxh3 $16 Qc6 22. Nf4) 21... Nxd7 {[%emt 0:00:01]} 22. Qa4 {[%emt 0:00:42]} (22. Rd1 $14 {is more appropriate.} Nb8 23. Nxh3) 22... b5 $11 {[%emt 0:12:41]} 23. Qd4 {[%emt 0:01:00]} Qf5 {[%emt 0:00:26][%cal Ob5b4]} 24. Rd1 {[%emt 0:01:28]} Ne5 {[%emt 0:00:41]} 25. Nd5 {[%emt 0:00:49][%cal Bf4d5,Bd5e3,Be3c2][%mdl 32]} Ng6 {[%emt 0:04:21]} 26. b3 {[%emt 0:10:48]} (26. f4 $11) 26... a5 {[%emt 0:00:34]} (26... Qf3 $17 {Threatens to win with ...Re2.} 27. Qd3 (27. Qxa7 Re2 $17) 27... Qxf2) 27. Qd2 {[%emt 0:01:44] Inhibits Re2.} (27. f4 $1 $11 {was the only way to keep the balance.}) 27... a4 {[%emt 0:00:28]} (27... Qf3 $17 {Strongly threatening ...Re2.} 28. Ne3 Ne5) 28. Kb2 {[%emt 0:01:55]} (28. f4 $11 {keeps the balance.}) 28... Qf3 $17 {[%emt 0:00:14] [#] And now ...Re2 would win.} 29. Ne3 {[%emt 0:01:15]} f5 {[%emt 0:00:07] Black is more active.} 30. Re1 {[%emt 0:02:59]} Ra8 {[%emt 0:01:35]} (30... Ne5 $17 {...Qe4 is the strong threat.} 31. Kb1 Qe4+ 32. Qc2 Ng4 33. Qxe4 Rxe4) 31. Nc2 $11 {[%emt 0:00:38]} f4 {[%emt 0:00:41]} 32. gxf4 {[%emt 0:01:23]} ({Reject} 32. Nd4 Qg2 33. Qe2 Qxh2 $17) 32... Nxf4 {[%emt 0:00:42]} 33. Re3 {[%emt 0:00:09] Inhibits Nd3+.} Qc6 {[%emt 0:00:50][%cal Oa4a3]} 34. Rg3 {[%emt 0:00:44]} Qf6 {[%emt 0:00:30] [#] Hoping for ...Rd8.} 35. Rf3 {[%emt 0:01:04]} g5 {[%emt 0:00:11] aiming for ...Rd8.} 36. Rg3 $2 {[%emt 0:00:05][%mdl 8192]} (36. Qd4 $11 {and White is okay.} Qg6 37. Re3) 36... Rd8 $19 {[%emt 0:00:34]} 37. Qe3 {[%emt 0:01:18]} ({But not} 37. Nd4 b4 38. Re3 a3+ 39. Kc2 bxc3 40. Qxc3 Rxd4 $19) 37... Rd3 {[%emt 0:00:17]} 38. Qc5 {[%emt 0:00:11]} (38. Qe8+ Kg7 39. Kc1) 38... Rxg3 {[%emt 0:00:16]} 39. Qc8+ {[%emt 0:00:04]} Kg7 {[%emt 0:00:12] ( -> ...Nd3+)} 40. fxg3 {[%emt 0:00:59]} Nd3+ {[%emt 0:00:18]} 41. Ka3 {[%emt 0:00:57]} Qf1 {[%emt 0:01:15] Weighted Error Value: White=0.74/Black=0.16 (very precise)} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.23"]
[Round "6.1"]
[White "Van der Poel, Henk"]
[Black "Van Delft, Merijn"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2210"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,68,7,20,0,8,-6,2,-14,13,6,6,14,15,10,3,23,44,24,25,16,36,-15,-16,-25,0,-35,-38,-84,-77,-70,-72,-64,73,87,59,5,8,8,18,10,10,0,0,-12,-14,-21,0,0,2,17,12,-131,-115,-142,-124,-123,0,-37,-18,-9,58]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:01:32]} 2. Nc3 {[%emt 0:00:25]} d6 {[%emt 0:00:32]} 3. d4 {[%emt 0:00:32]} cxd4 {[%emt 0:00:20]} 4. Qxd4 {[%emt 0:00:13]} Nc6 {[%emt 0:00:48]} 5. Bb5 {[%emt 0:00:57]} Bd7 {[%emt 0:00:30]} 6. Bxc6 {[%emt 0:00:21] B23: Closed Sicilian: Lines without g3.} Bxc6 {[%emt 0:00:08]} 7. Bg5 {[%emt 0:00:51] is the legacy move (7.Nf3).} h6 {[%emt 0:04:54]} 8. Be3 {[%emt 0:00:28]} e5 {[%emt 0:07:40]} 9. Qd3 {[%emt 0:04:52]} Nf6 {[%emt 0:04:12]} 10. O-O-O {[%emt 0:01:14]} Qa5 {[%emt 0:01:45] [#]} 11. Nge2 $146 {[%emt 0:09:55]} ({Predecessor:} 11. h3 Be7 12. f4 O-O 13. Nge2 b5 14. Kb1 b4 15. Nd5 Nxd5 16. exd5 Bb5 17. Qd2 Bxe2 18. Qxe2 exf4 {½-½ (41) Inants,A (2178)-Akhmadeev,V (2438) Saratov 2006}) 11... Rd8 {[%emt 0:02:33]} 12. Kb1 {[%emt 0:19:53]} g6 {[%emt 0:11:50]} (12... d5 {looks sharper.} 13. exd5 Nxd5 14. Qf5 Bd6) 13. Nd5 {[%emt 0:09:59]} Nxd5 {[%emt 0:02:50]} 14. exd5 {[%emt 0:00:08]} Bb5 {[%emt 0:02:30]} 15. Qc3 {[%emt 0:02:13]} (15. c4 $14 Bd7 16. Nc3) 15... Qa6 $1 $11 {[%emt 0:03:56]} 16. Ng3 {[%emt 0:01:56]} Bg7 {[%emt 0:09:07]} 17. f4 {[%emt 0:02:26]} f5 $1 {[%emt 0:10:21]} 18. fxe5 {[%emt 0:03:37]} (18. Rhe1 $15) 18... O-O {[%emt 0:13:26] Threatens to win with ...f4.} 19. Qd2 {[%emt 0:08:05]} dxe5 {[%emt 0:01:01] White must now prevent ...f4.} 20. Bxh6 {[%emt 0:02:15]} f4 {[%emt 0:04:17]} (20... Bc4 $15 {stays ahead.} 21. b3 Bxd5) 21. Bxg7 $16 {[%emt 0:00:40]} Kxg7 {[%emt 0:00:14] [#]} 22. Ne4 {[%emt 0:02:02]} (22. Qb4 $1 $14 Rfe8 (22... Bc4 23. Qe7+) 23. Ne4) 22... Bc4 $40 {[%emt 0:00:09][%csl LRa2,LRd5][%cal Bb5c4,Bc4d5,Bd5c6][%mdl 160] White needs to defend precisely.} 23. b3 {[%emt 0:04:14]} Bxd5 {[%emt 0:01:59] [#]} 24. Qc3 $1 {[%emt 0:03:11]} Qe6 {[%emt 0:01:52]} 25. Nc5 {[%emt 0:04:20]} Qf6 {[%emt 0:01:59]} 26. Rhe1 {[%emt 0:03:29]} Rfe8 {[%emt 0:00:26]} (26... Bxg2 $2 27. Nd7 Rc8 28. Qd2 $18) 27. Rd2 {[%emt 0:06:32]} Bc6 {[%emt 0:04:09] ...Rxd2 is the strong threat.} (27... e4 $5 {[%cal Rf6c3]} 28. Qxf6+ Kxf6 29. Nxe4+ Bxe4 30. Rxd8 Bxc2+ 31. Kxc2 Rxd8 $11) 28. Rxd8 {[%emt 0:04:05]} Qxd8 {[%emt 0:00:53]} ({Don't take} 28... Rxd8 29. Ne6+ $1 {[%mdl 512]} Qxe6 30. Rxe5 $16) 29. Nd3 {[%emt 0:01:10]} Qf6 {[%emt 0:02:21]} 30. Re2 {[%emt 0:00:34]} (30. Rxe5 $11 Rxe5 31. Nxe5) 30... e4 $17 {[%emt 0:02:21]} 31. Qxf6+ {[%emt 0:00:10]} Kxf6 {[%emt 0:00:06]} 32. Nxf4 {[%emt 0:00:10] [#]} e3 {[%emt 0:02:09]} ({Black should play} 32... Kf5 $1 $17 {[%cal Rf5f4]} 33. g3 e3) 33. Kc1 {[%emt 0:02:10]} Kf5 {[%emt 0:00:29][%mdl 1024] Black has compensation.} 34. Nd3 {[%emt 0:00:57]} Rh8 {[%emt 0:01:38] Weighted Error Value: White=0.22 (precise) /Black=0.15 (very precise)} (34... g5 $11) 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.23"]
[Round "6.2"]
[White "Bosboom, Manuel"]
[Black "Bruil, Rembrandt"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2381"]
[BlackElo "2204"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,52,0,0,-5,-8,-20,22,16,48,0,0,0,20,0,-1,-17,0,0,25,42,73,75,60,54,96,107,67,73,88,90,75,21,49,54,48,0,78]} 1. Nf3 {[%emt 0:00:21]} Nf6 {[%emt 0:00:13]} 2. g3 {[%emt 0:00:36]} d5 {[%emt 0:00:08]} 3. Bg2 {[%emt 0:00:07]} e6 {[%emt 0:00:05]} 4. O-O {[%emt 0:01:11]} Be7 {[%emt 0:00:07]} 5. d3 {[%emt 0:01:51]} c5 {[%emt 0:00:45]} 6. Nbd2 {[%emt 0:04:32]} Nc6 {[%emt 0:00:25]} 7. e4 {[%emt 0:00:11]} b6 {[%emt 0:03:37][%cal Bb7b6,Bb6b5][%mdl 32]} 8. Re1 {[%emt 0:02:11]} Bb7 {[%emt 0:05:08]} 9. c3 {[%emt 0:02:58]} h6 {[%emt 0:02:38]} 10. a3 {[%emt 0:08:21] C00: French: Unusual White 2nd moves.} O-O {[%emt 0:06:16]} 11. e5 {[%emt 0:01:28] [#]} Nh7 $146 {[%emt 0:02:49]} ({Predecessor:} 11... Nd7 12. d4 b5 13. dxc5 Nxc5 14. Nb3 a5 15. Nxc5 Bxc5 16. Nd4 Qb6 17. Qg4 h5 18. Qxh5 Nxd4 19. cxd4 Bxd4 {½-½ (42) Gonzalez de la Torre,S (2435)-Batsiashvili,N (2425) Elgoibar 2012}) 12. h4 {[%emt 0:05:04]} b5 {[%emt 0:08:03]} 13. Nh2 {[%emt 0:06:43]} (13. Nb3 $14) 13... a5 $11 {[%emt 0:08:37]} 14. Ng4 {[%emt 0:20:51]} b4 {[%emt 0:06:16]} 15. Nf1 {[%emt 0:03:35][%cal Og4h6]} Kh8 {[%emt 0:01:54]} 16. Nfh2 {[%emt 0:09:41]} bxc3 {[%emt 0:03:54]} 17. bxc3 {[%emt 0:00:10][%cal Bb2c3,Bc3c4,Bc4d5][%mdl 32]} Ba6 {[%emt 0:02:32]} 18. c4 $1 {[%emt 0:05:33]} Rc8 {[%emt 0:03:57] [#]} 19. cxd5 $1 {[%emt 0:03:20]} exd5 {[%emt 0:00:25]} 20. Rb1 {[%emt 0:03:16]} Nd4 {[%emt 0:03:56]} 21. Ne3 {[%emt 0:03:26]} c4 {[%emt 0:02:32]} 22. dxc4 {[%emt 0:01:49]} ({But not} 22. Nxd5 cxd3 23. Be3 Nc2 $15) 22... dxc4 {[%emt 0:00:13]} 23. Nd5 {[%emt 0:01:05]} Bc5 {[%emt 0:06:00]} 24. Be4 {[%emt 0:05:46] Prevents Nf5. White is more active.} (24. Be3 $16 Nf5 25. Bxc5 Rxc5 26. Qc2) 24... f5 {[%emt 0:07:54]} 25. Bg2 {[%emt 0:02:54]} Ne6 {[%emt 0:05:35][%cal Oc4c3]} 26. Bd2 {[%emt 0:02:47]} (26. Be3 $14) 26... Bd4 {[%emt 0:05:34] Weighted Error Value: White=0.12 (very precise) /Black=0.16 (very precise)} (26... c3 $11 {keeps the balance.} 27. Bxc3 f4 28. Nxf4 Qxd1 29. Rbxd1 Nxf4 30. gxf4 Rxf4) 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.23"]
[Round "6.3"]
[White "Duchene, Rene"]
[Black "Blom, Vincent"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2137"]
[BlackElo "2325"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,65,25,28,20,22,14,14,21,29,10,24,16,16,25,20,19,41,24,86,93,88,90,119,103,99,94,132,79,81,50,77,-31,-31,-35,-35,-32,-35,-225,-223,-585,-583,-579,-563,-443,-309,-306,-306,-302,-302,-412,-402,-377,-386,-505]} 1. Nf3 {[%emt 0:00:05]} c5 {[%emt 0:00:20]} 2. e3 {[%emt 0:00:21]} Nf6 {[%emt 0:02:22]} 3. d4 {[%emt 0:00:49]} cxd4 {[%emt 0:00:08]} 4. exd4 {[%emt 0:00:07]} d5 {[%emt 0:00:22]} 5. c4 {[%emt 0:00:34]} Be6 {[%emt 0:10:09]} 6. c5 {[%emt 0:01:26]} Nc6 {[%emt 0:03:25]} 7. Nc3 {[%emt 0:00:40]} g6 {[%emt 0:10:35]} 8. Bb5 {[%emt 0:01:50] B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Bg7 {[%emt 0:01:32]} 9. O-O {[%emt 0:03:41]} O-O {[%emt 0:04:11]} 10. h3 {[%emt 0:01:15] Inhibits Bg4. The position is equal.} Ne4 {[%emt 0:01:02]} 11. Re1 {[%emt 0:09:01]} Qa5 {[%emt 0:13:04]} 12. Bxc6 {[%emt 0:06:49]} Nxc3 {[%emt 0:02:12] [#]} 13. Qd2 $146 {[%emt 0:08:43]} ({Predecessor:} 13. bxc3 bxc6 14. Bf4 Qxc3 15. Rb1 Bf5 16. Rb3 Qa5 17. Rxe7 Qxa2 18. Rbb7 a5 19. Ne5 Be6 20. Nxc6 a4 21. Qe1 a3 22. Qxe6 Rae8 23. Rxf7 {1-0 (23) Piscopo,P (2409)-Rombaldoni,D (2485) Condino 2014}) 13... bxc6 {[%emt 0:03:15]} 14. Qxc3 {[%emt 0:00:18]} Qc7 {[%emt 0:01:48]} 15. Ne5 {[%emt 0:01:16]} f6 {[%emt 0:08:08] [#]} (15... Qb7 $11) 16. Nxg6 $1 $16 {[%emt 0:06:43]} hxg6 {[%emt 0:00:09]} 17. Rxe6 {[%emt 0:00:06] Threatens to win with Bd2.} Qd7 {[%emt 0:00:46]} 18. Re2 {[%emt 0:05:37]} e5 {[%emt 0:00:25] Inhibits Bf4.} 19. Qg3 {[%emt 0:01:02]} Qf5 {[%emt 0:04:11]} 20. Be3 {[%emt 0:01:50]} (20. Bd2 $142) 20... Rab8 {[%emt 0:03:17]} 21. Rd1 {[%emt 0:02:59]} Rfe8 {[%emt 0:01:43]} 22. Qg4 {[%emt 0:01:57]} ({White should play} 22. b3 $16) 22... Qxg4 $15 {[%emt 0:05:32]} 23. hxg4 {[%emt 0:00:07]} exd4 {[%emt 0:01:20]} 24. Rxd4 {[%emt 0:05:21]} f5 {[%emt 0:00:15]} 25. Ra4 {[%emt 0:00:15] White does not recover from this.} (25. Rdd2 $1 $15) 25... d4 $1 $19 {[%emt 0:00:41]} 26. Bf4 $2 {[%emt 0:00:19]} (26. Ra6 {is a better chance.}) 26... Rxe2 {[%emt 0:01:09]} 27. Bxb8 {[%emt 0:00:09][%mdl 4096] Endgame KRB-KRB} d3 {[%emt 0:02:53] [#] aiming for ...d2.} 28. Bf4 {[%emt 0:02:08]} d2 {[%emt 0:04:11]} 29. Bxd2 {[%emt 0:00:09]} Rxd2 {[%emt 0:00:06]} 30. gxf5 {[%emt 0:00:09]} gxf5 {[%emt 0:00:18]} 31. b4 {[%emt 0:02:42]} Bd4 {[%emt 0:04:29]} 32. Rxa7 {[%emt 0:00:13]} Bxf2+ {[%emt 0:01:20]} 33. Kf1 {[%emt 0:00:35] Weighted Error Value: White=0.50/Black=0.16 (very precise)} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.23"]
[Round "6.4"]
[White "Baarslag, Ed"]
[Black "De Winter, Arthur"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2161"]
[BlackElo "2150"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,58,18,27,-71,-73,-80,-65,-58,-58,-58,-65,-82,-79,-120,-129,-131,-158,-185,-164,-176,-152,-295,-168,-310,-280,-408,-379,-589,-531,-586,-579,-556,-556,-639,-525,-864,-861,-1248,-1132]} 1. d4 {[%emt 0:00:32]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:40]} g6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:06]} Bg7 {[%emt 0:00:04]} 4. e4 {[%emt 0:00:11]} d6 {[%emt 0:00:03]} 5. Be2 {[%emt 0:00:33]} O-O {[%emt 0:00:07]} 6. Nf3 {[%emt 0:00:09]} e5 {[%emt 0:00:13]} 7. d5 {[%emt 0:00:28]} a5 {[%emt 0:00:03]} 8. Bg5 {[%emt 0:00:27]} h6 {[%emt 0:00:07]} 9. Bh4 {[%emt 0:00:11]} Na6 {[%emt 0:00:36]} 10. Nd2 {[%emt 0:00:50]} Qe8 {[%emt 0:01:02]} 11. O-O {[%emt 0:03:22]} Nh7 {[%emt 0:01:59]} 12. Bg4 {[%emt 0:06:59] E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} (12. f3 $11 {remains equal.}) 12... Bxg4 $17 {[%emt 0:03:17]} 13. Qxg4 {[%emt 0:00:52] [#]} f5 $146 {[%emt 0:08:15]} ({Predecessor:} 13... h5 14. Qg3 Bh6 15. f4 exf4 16. Qf3 Qe5 17. Qe2 Rae8 18. Rae1 Qg7 19. Nf3 Nc5 {1-0 (42) Kowsarinia,A (2319)-Kumic,F (2230) Istanbul 2012}) 14. exf5 {[%emt 0:00:37] Black is slightly better.} g5 {[%emt 0:00:12]} 15. Bg3 {[%emt 0:07:21]} h5 $1 {[%emt 0:00:16][%cal Bh6h5,Bh5h4][%mdl 32]} 16. Qd1 {[%emt 0:02:09]} h4 {[%emt 0:00:17]} 17. f4 {[%emt 0:01:07][%cal Of4g5]} hxg3 {[%emt 0:00:42]} 18. fxg5 {[%emt 0:00:46]} Nxg5 {[%emt 0:11:36]} 19. h4 {[%emt 0:03:15]} Nh7 {[%emt 0:06:07]} 20. Nde4 {[%emt 0:03:38]} Nc5 {[%emt 0:07:16]} 21. Nxg3 {[%emt 0:12:18]} (21. Nxc5 $17 dxc5 22. Qg4) 21... Kh8 {[%emt 0:01:37]} (21... Nf6 $142 {White must now prevent ...e4.} 22. Qd2 Kh7) 22. Nb5 {[%emt 0:09:30]} (22. Qf3 {might work better.}) 22... Qe7 $19 {[%emt 0:08:45]} 23. Qg4 {[%emt 0:00:47]} (23. f6 {is a better defense.} Rxf6 24. Rxf6 Nxf6 25. Nf5) 23... Bf6 {[%emt 0:00:54]} 24. Ne2 {[%emt 0:06:04]} (24. Qh3 $142 Rf7 25. Nh5) 24... Rg8 {[%emt 0:06:37][%cal Bf8g8,Bg8g7,Bg7g4][%mdl 32] Black is clearly winning.} 25. Qh3 {[%emt 0:03:31]} Rg7 {[%emt 0:03:22] [#] Hoping for ...Rag8.} 26. Rf3 {[%emt 0:11:09]} Rag8 {[%emt 0:03:25]} 27. g3 {[%emt 0:00:22]} Rg4 {[%emt 0:03:42][%cal Rg4h4]} 28. Re1 {[%emt 0:01:49]} Qf7 {[%emt 0:00:55]} 29. Kf2 {[%emt 0:02:38]} e4 {[%emt 0:00:45] White got outplayed after the opening.  Weighted Error Value: White=0.95/Black=0.11 (very precise)} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.23"]
[Round "6.5"]
[White "Van der Velde, Henk"]
[Black "Kumar, Prajit Sai"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2079"]
[BlackElo "2040"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,58,27,26,30,22,22,26,33,40,38,26,23,27,24,19,18,20,33,24,51,63,56,43,45,47,41,49,36,35,33,11,28,26,21,16,20,27,19,18,16,14,30,0,41,23,40,0,0,0,7]} 1. c4 {[%emt 0:00:04]} c6 {[%emt 0:01:14]} 2. g3 {[%emt 0:00:10]} d5 {[%emt 0:00:10]} 3. Nf3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:01]} 4. Bg2 {[%emt 0:00:15]} Bf5 {[%emt 0:00:06]} 5. Qb3 {[%emt 0:00:45]} Qb6 {[%emt 0:00:26]} 6. d3 {[%emt 0:00:41]} e6 {[%emt 0:02:10] A11: English Opening: 1...c6.} 7. Be3 {[%emt 0:00:22]} Qxb3 {[%emt 0:00:52]} 8. axb3 {[%emt 0:00:11]} a6 {[%emt 0:00:12] White has an edge.} 9. Nh4 {[%emt 0:01:13]} Bg6 {[%emt 0:00:09]} 10. Bd4 {[%emt 0:00:54]} Nbd7 {[%emt 0:01:07]} 11. Bc3 {[%emt 0:01:47] [#]} Bh5 $146 {[%emt 0:02:07]} ({Predecessor:} 11... Bd6 12. Nxg6 hxg6 13. h4 Be5 14. Nd2 Ke7 15. e3 Bxc3 16. bxc3 a5 17. d4 b5 {1-0 (34) Pantsulaia,L (2587)-Can,I (2423) Cattolica 2022}) 12. h3 {[%emt 0:01:42]} h6 {[%emt 0:06:14]} 13. b4 {[%emt 0:22:29]} Rc8 {[%emt 0:06:31]} 14. Nd2 {[%emt 0:09:33]} d4 {[%emt 0:01:18]} 15. Bxd4 {[%emt 0:00:02]} Bxb4 {[%emt 0:00:18]} 16. g4 {[%emt 0:04:34]} g5 $1 {[%emt 0:00:38]} 17. Nhf3 {[%emt 0:00:19]} Bg6 {[%emt 0:00:14]} 18. Ne5 {[%emt 0:02:47]} Nxe5 {[%emt 0:02:53]} 19. Bxe5 {[%emt 0:00:02]} Ke7 {[%emt 0:02:39]} 20. O-O-O {[%emt 0:04:55]} Rhg8 {[%emt 0:06:46]} 21. Kc2 {[%emt 0:05:36]} h5 {[%emt 0:03:21]} 22. Bf3 {[%emt 0:02:08]} hxg4 {[%emt 0:07:04]} 23. hxg4 {[%emt 0:00:02]} Nd7 {[%emt 0:01:12]} 24. Bc3 {[%emt 0:03:15]} Bxc3 {[%emt 0:00:18]} 25. Kxc3 {[%emt 0:00:02]} Ne5 {[%emt 0:01:47]} 26. b4 {[%emt 0:05:34]} f6 {[%emt 0:03:34]} 27. c5 {[%emt 0:01:40]} Rgd8 {[%emt 0:03:15][%cal Re5d3]} 28. Nc4 {[%emt 0:03:49]} Nxc4 {[%emt 0:00:37]} 29. Kxc4 {[%emt 0:00:02]} e5 {[%emt 0:04:31] Weighted Error Value: White=0.06 (flawless) /Black=0.05 (flawless)} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.23"]
[Round "6.7"]
[White "De Groote, Ewoud"]
[Black "Duson, Robin"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2245"]
[BlackElo "2027"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,59,40,11,35,18,29,19,52,50,49,54,54,53,54,42,52,49,135,124,117,113,114,120,120,122,133,127,123,129,195,188,195,173,445,420,444,442,418,433,777,805,855,855,1510,1454,1343,1245]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:10]} 2. Nf3 {[%emt 0:00:14]} e6 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:07]} Nc6 {[%emt 0:00:15]} 5. Nc3 {[%emt 0:00:11]} Qc7 {[%emt 0:00:25]} 6. g3 {[%emt 0:00:58]} a6 {[%emt 0:00:33]} 7. Bg2 {[%emt 0:00:09]} Nf6 {[%emt 0:00:25]} 8. O-O {[%emt 0:00:23]} h5 {[%emt 0:01:07] 8...Nxd4 is a critical line. B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} (8... Bc5 $5 {[%cal Rc5d4]} 9. Nb3 Ba7 $14) 9. h3 {[%emt 0:15:09]} Bc5 {[%emt 0:03:30]} 10. Nxc6 {[%emt 0:05:42]} bxc6 {[%emt 0:12:53] The position is equal.} 11. Qf3 {[%emt 0:07:41]} h4 {[%emt 0:04:36] White must now prevent ...hxg3.} 12. g4 {[%emt 0:09:35] [#]} Qg3 $146 {[%emt 0:07:14]} ({Predecessor:} 12... e5 13. b3 Nh7 14. Na4 Be7 15. Qc3 g5 16. f4 gxf4 17. Bxf4 d6 18. Rad1 Be6 {1-0 (36) Brkic,A (2573)-Milov,L (2472) Schwarzach 2019}) 13. Bf4 {[%emt 0:04:58]} Qxf3 {[%emt 0:00:32]} 14. Bxf3 {[%emt 0:00:05]} d5 {[%emt 0:07:01]} 15. Rfe1 {[%emt 0:14:40]} Kf8 {[%emt 0:04:25] Black is on the road to losing.} (15... Be7 $14) 16. exd5 {[%emt 0:01:15]} cxd5 {[%emt 0:02:24]} 17. Na4 $1 {[%emt 0:02:08][%cal Bc3a4,Ba4b6,Bb6c8,Bc8d6,Bd6f7,Bf7e5,Be5c6][%mdl 32]} Ba7 {[%emt 0:06:55]} 18. c4 {[%emt 0:02:43][%cal Bc2c4,Bc4c5][%mdl 32] White is more active.} Bb7 {[%emt 0:02:08]} 19. Rac1 {[%emt 0:03:27]} Ne4 {[%emt 0:05:23]} 20. Bxe4 {[%emt 0:01:56]} dxe4 {[%emt 0:00:09]} 21. c5 {[%emt 0:00:52] aiming for Nb6.} Bc6 {[%emt 0:02:33]} (21... Rc8 $16) 22. Nb6 $18 {[%emt 0:02:55]} Rd8 {[%emt 0:03:23] [#]} 23. Bc7 $1 {[%emt 0:02:03][%cal Bf4c7,Bc7d6,Bd6c5][%mdl 32]} Rd3 {[%emt 0:01:09] [#]} (23... Re8 24. Rcd1 Bxb6 25. Bd6+ (25. Bxb6 Rc8 $14) (25. cxb6 Ke7 $16) 25... Kg8 26. cxb6 Rc8) 24. Bd6+ $1 {[%emt 0:00:24]} (24. Nc8 Rd7 25. Nxa7 Rxc7 26. Nxc6 Rxc6 $16) 24... Ke8 {[%emt 0:00:49] Hoping for ...Bxb6.} 25. Nc8 {[%emt 0:01:09]} Bxc5 {[%emt 0:10:11]} 26. Bxc5 {[%emt 0:01:36]} ({Weaker is} 26. Rxc5 Kd7 $18) 26... Rxh3 {[%emt 0:00:11]} (26... Kd7 $142 27. Nb6+ Kc7) 27. Nd6+ {[%emt 0:03:16]} Kd7 {[%emt 0:00:10]} 28. Nxf7 {[%emt 0:00:42]} e3 {[%emt 0:01:05]} 29. Ne5+ {[%emt 0:00:14]} Kc7 {[%emt 0:00:15]} 30. Nxc6 {[%emt 0:00:37] Weighted Error Value: White=0.02 (flawless) /Black=0.36} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.23"]
[Round "6.8"]
[White "Van Nieuwkerk, Ton"]
[Black "Van Arkel, Rogier"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2014"]
[BlackElo "2187"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,90,0,0,241,0,7,0,0,0,25,25,50,0,11,-40,-61,-57,-47,-46,-17,-25,-22,-26,-2,-60,-27,-44,-33,-42,-32,-42,-31,-49,-5,-11,-11,-10,-10,-10,-10,-13,-9,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:47]} 2. c3 {[%emt 0:00:06]} d5 {[%emt 0:01:54]} 3. exd5 {[%emt 0:00:13]} Qxd5 {[%emt 0:00:06]} 4. d4 {[%emt 0:00:04]} g6 {[%emt 0:00:06]} 5. Nf3 {[%emt 0:02:29]} Bg7 {[%emt 0:00:33]} 6. Be3 {[%emt 0:03:58]} cxd4 {[%emt 0:02:20]} 7. cxd4 {[%emt 0:00:18]} Nh6 $2 {[%emt 0:11:30] [#] B06: Modern Defence.} (7... Qa5+ $11 {and Black stays safe.} 8. Nc3 Nh6) 8. Nc3 $2 {[%emt 0:01:48]} (8. Qc1 $1 $18 {[%cal Rc1c8]} Bg4 9. Bxh6 Bxh6 10. Qxh6 Bxf3 11. gxf3) 8... Qa5 $11 {[%emt 0:00:38]} 9. Bc4 {[%emt 0:08:32]} O-O {[%emt 0:02:33]} 10. O-O {[%emt 0:00:35] [#]} Qc7 $146 {[%emt 0:20:05]} ({Predecessor:} 10... Nf5 11. Qe2 Nc6 12. Rad1 Nd6 13. Bb3 Qh5 14. h3 Na5 15. Bc2 Be6 16. d5 Bf5 {½-½ (115) Kalezic,B (2460)-Guseinov,G (2664) Skopje 2018}) 11. Bb3 {[%emt 0:11:01] Black must now prevent Nd5.} Nc6 {[%emt 0:01:58]} 12. Rc1 {[%emt 0:05:12]} Bg4 {[%emt 0:03:50]} 13. h3 {[%emt 0:14:53]} (13. d5 $11 Na5 14. Ne4) 13... Bxf3 $15 {[%emt 0:00:35]} 14. Qxf3 {[%emt 0:00:08]} Nf5 $1 {[%emt 0:00:26]} ({Much worse is} 14... Nxd4 15. Bxd4 Bxd4 16. Nb5 $11) 15. Ne2 {[%emt 0:10:22]} Qd6 {[%emt 0:09:30][%cal Rc6d4]} 16. Rfd1 {[%emt 0:03:36]} Rac8 {[%emt 0:03:14]} 17. Rc3 {[%emt 0:12:57]} Na5 {[%emt 0:11:03][%cal Bc6a5,Ba5b3,Bb3c1][%mdl 32]} 18. Rdc1 {[%emt 0:09:58] [#]} (18. Rxc8 $11 Rxc8 19. Ng3 Nxb3 20. Nxf5 gxf5 21. axb3) 18... Nxb3 $1 {[%emt 0:08:38]} 19. Rxc8 {[%emt 0:02:07]} (19. axb3 Qd7) 19... Nxc1 {[%emt 0:00:43]} 20. Rxc1 {[%emt 0:00:26]} Qb6 {[%emt 0:03:01]} 21. b3 {[%emt 0:00:24]} Rd8 {[%emt 0:01:33][%cal Rf5d4]} 22. Qe4 {[%emt 0:03:27]} e5 {[%emt 0:06:13]} ({But not} 22... Nxd4 23. Nxd4 Bxd4 24. Qxe7 $14) 23. dxe5 {[%emt 0:01:47] The position is equal.} (23. Bg5 {looks sharper.} f6 24. Bd2 Nd6 25. Qf3) 23... Nxe3 {[%emt 0:00:12]} 24. Qxe3 {[%emt 0:00:49]} Qxe3 {[%emt 0:00:22]} 25. fxe3 {[%emt 0:00:04]} Bxe5 $11 {[%emt 0:01:33][%mdl 4096] Endgame KRB-KRN} 26. Rc2 {[%emt 0:01:49] Against Rd2} h5 {[%emt 0:02:37]} 27. Kf2 {[%emt 0:00:17]} f5 {[%emt 0:01:45]} 28. h4 {[%emt 0:02:17]} Kf7 {[%emt 0:01:00]} 29. Kf3 {[%emt 0:00:10]} Rd1 {[%emt 0:00:56][%cal Rd1f1]} 30. g3 {[%emt 0:02:49]} Rh1 {[%emt 0:02:01]} 31. Nf4 {[%emt 0:00:27]} Kf6 {[%emt 0:00:48]} 32. Nd5+ {[%emt 0:00:34]} Kf7 {[%emt 0:01:36]} 33. Nf4 {[%emt 0:00:01]} Rf1+ {[%emt 0:00:37]} 34. Ke2 {[%emt 0:00:27]} Rh1 {[%emt 0:00:29]} 35. Kf3 {[%emt 0:00:09]} Rd1 {[%emt 0:00:16]} 36. Ke2 {[%emt 0:00:24]} Rd7 {[%emt 0:00:22]} 37. Kf3 {[%emt 0:00:18]} Bc7 {[%emt 0:01:04]} 38. Ke2 {[%emt 0:02:26]} Bb6 {[%emt 0:00:36]} 39. Kf3 {[%emt 0:01:02]} Rd1 {[%emt 0:01:10]} 40. Ke2 {[%emt 0:01:02]} Rh1 {[%emt 0:01:06] Strongly threatening ...Rh2+.} 41. Kf3 {[%emt 0:00:56]} Rd1 {[%emt 0:00:00] Prevents Nd5.} 42. Ke2 {[%emt 0:00:00]} Rd8 {[%emt 0:00:00]} 43. Kf3 {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 44. Ke2 {[%emt 0:00:00]} Rd7 {[%emt 0:00:00]} 45. Rd2 {[%emt 0:02:34]} Rd8 {Weighted Error Value: White=0.18 (very precise) /Black=0.21 (precise)} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.23"]
[Round "6.9"]
[White "Van Baar, Esper"]
[Black "Berrevoets, Jeroen"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2281"]
[BlackElo "2064"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,59,12,11,12,13,5,0,0,0,0,-5,0,0,0,-7,45,-16,-9,-16,-13,-18,-14,-130,-110,-106,-91,-171,-178,-179,-174,-191,-191,-179,-154,-143,-131,-232,-236,-243,1103,1072,29991,29992,29994,29995,29995,29996]} 1. e4 {[%emt 0:00:03]} e6 {[%emt 0:00:30]} 2. d4 {[%emt 0:00:40]} d5 {[%emt 0:00:05]} 3. Nd2 {[%emt 0:00:05]} c5 {[%emt 0:00:04]} 4. Ngf3 {[%emt 0:01:44]} cxd4 {[%emt 0:00:09]} 5. Nxd4 {[%emt 0:00:06]} Nc6 {[%emt 0:00:02]} 6. Bb5 {[%emt 0:00:45]} Bd7 {[%emt 0:00:05]} 7. Nxc6 {[%emt 0:01:00]} bxc6 {[%emt 0:00:03]} 8. Bd3 {[%emt 0:00:08]} Bd6 {[%emt 0:00:04] C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} 9. Qe2 {[%emt 0:00:46]} e5 {[%emt 0:04:22] The modern move.} 10. c4 {[%emt 0:04:24]} d4 {[%emt 0:00:17] The position is equal.} 11. c5 {[%emt 0:00:06]} Bxc5 {[%emt 0:00:03]} 12. Nc4 {[%emt 0:00:21]} Qe7 {[%emt 0:06:42]} 13. O-O {[%emt 0:08:54]} Nf6 {[%emt 0:01:39][%cal Bg8f6,Bf6d5,Bd5f4][%mdl 32] [#]} 14. a3 $146 {[%emt 0:09:40]} ({Predecessor:} 14. f4 exf4 15. Bxf4 Ng4 16. h3 Ne3 17. Nxe3 dxe3 18. Bxe3 O-O 19. Rac1 Bd6 20. Qf2 {½-½ (20) Santos Ruiz,M (2597)-Mirzoev,E (2475) Terme Catez 2022}) 14... a5 {[%emt 0:05:59]} ({Better is} 14... O-O $11) 15. h3 {[%emt 0:12:13]} (15. Bg5 $14) 15... O-O $36 {[%emt 0:01:40][%mdl 2048] Black has some pressure.} 16. f4 {[%emt 0:07:18]} exf4 {[%emt 0:00:37]} 17. Bxf4 {[%emt 0:00:22]} Nd5 {[%emt 0:04:40]} 18. Qh5 {[%emt 0:12:44]} (18. exd5 $11 Qxe2 19. Bxe2 d3+ 20. Be3 dxe2 21. Rfe1 Bxe3+ 22. Nxe3) 18... Nxf4 $17 {[%emt 0:04:52]} 19. Rxf4 {[%emt 0:01:20]} g6 {[%emt 0:07:00]} 20. Qf3 {[%emt 0:15:32]} (20. Qh6 $17 {was called for.}) 20... Be6 $19 {[%emt 0:06:41]} 21. Rf1 {[%emt 0:06:50]} a4 {[%emt 0:08:57]} 22. Kh1 {[%emt 0:00:48]} Rab8 {[%emt 0:01:45]} 23. Qe2 {[%emt 0:09:19]} Qc7 {[%emt 0:06:29]} 24. e5 {[%emt 0:01:31]} Bd5 {[%emt 0:03:33]} 25. Rh4 {[%emt 0:02:25]} (25. Be4 $17 {keeps fighting.}) 25... Qe7 {[%emt 0:05:15]} 26. Rf6 {[%emt 0:00:14] Threatens to win with Qd2.} Rb3 $4 {[%emt 0:05:36][%mdl 8192] [#]} (26... Rfe8 $19 27. Be4 Qd8) 27. Qd2 $1 $18 {[%emt 0:00:58][%cal Od2h6] Intending Qh6! and mate.} h5 {[%emt 0:09:08] [#]} 28. Rxh5 $3 {[%emt 0:00:18][%mdl 512] White mates.} Rxd3 {[%emt 0:05:32] [#]} (28... Qxe5 29. Nxe5) 29. Qh6 $1 {[%emt 0:01:18][%csl Gh5][%cal Rh6h7]} Bxg2+ {[%emt 0:01:39]} 30. Kxg2 {[%emt 0:00:33] What a bad dream for Black.  Weighted Error Value: White=0.19 (very precise) /Black=0.38} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.23"]
[Round "6.10"]
[White "Stolwijk, Colin"]
[Black "Schilstra, Laurens"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2277"]
[BlackElo "1993"]
[Annotator "TA"]
[PlyCount "163"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,163,27,0,0,-4,19,24,69,60,59,36,43,16,54,45,80,33,45,50,63,59,67,54,84,72,92,85,76,86,136,146,142,120,108,104,108,109,164,151,166,166,155,152,237,240,296,215,210,210,331,337,333,338,306,328,340,340,336,313,339,331,411,352,581,581,581,581,573,562,518,287,510,510,29961,29962,29960,29962,29962,29963,29968,29968,29968,29968,29968,29967,29966,29967,29967,29967,29967,29969,29969,29970,29969,29970,29966,29967,29982,29974,29971,29974,29972,29975,29975,29975,29975,29976,29974,29977,29977,29978,29978,29978,29979,29980,29980,29981,29981,29982,29982,4141,29983,29984,29987,29986,29988,29987,29989,29990,29990,29990,29991,29990,29991,29992,29992,29992,29993,29994,29994,29995,29995,29996,29996,4153]} 1. e4 {[%emt 0:00:16] ChessBase II} g6 {[%emt 0:00:07]} 2. d4 {[%emt 0:00:05]} Bg7 {[%emt 0:00:03]} 3. Nf3 {[%emt 0:00:10]} d6 {[%emt 0:00:09]} 4. Be3 {[%emt 0:00:24]} Nf6 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:00:05]} O-O {[%emt 0:02:11]} 6. Qd2 {[%emt 0:00:11]} e5 {[%emt 0:01:13]} 7. dxe5 {[%emt 0:13:24]} dxe5 {[%emt 0:02:00]} 8. Qxd8 {[%emt 0:00:04]} Rxd8 {[%emt 0:00:06]} 9. Bc4 {[%emt 0:00:08]} Nc6 {[%emt 0:06:58]} 10. O-O {[%emt 0:25:49]} h6 {[%emt 0:03:51]} 11. h3 {[%emt 0:01:00]} Ne8 {[%emt 0:02:25] B08: Pirc Defence: Classical System.} 12. Rad1 {[%emt 0:03:14] [#]} Nd6 $146 {[%emt 0:00:22]} ({Predecessor:} 12... Nd4 13. Bxd4 exd4 14. Ne2 Nd6 15. Bd3 c5 16. e5 Nf5 17. Nf4 g5 18. Nh5 Be6 19. Be4 {½-½ (44) Emms,J (2535)-Ftacnik,L (2595) Germany 1997 GER-chT [ChessBase II]}) 13. Bd5 {[%emt 0:02:08]} Kh7 {[%emt 0:02:32] White has an edge.} 14. Bxc6 {[%emt 0:02:57] White is more active.} bxc6 {[%emt 0:00:07]} 15. Nd2 {[%emt 0:00:12]} f5 {[%emt 0:02:24]} 16. f3 {[%emt 0:00:56]} f4 {[%emt 0:03:34]} 17. Bf2 {[%emt 0:00:33]} Be6 {[%emt 0:02:51]} 18. b3 {[%emt 0:00:57]} (18. Nb3 $16) 18... g5 {[%emt 0:00:42]} 19. Na4 {[%emt 0:04:15]} Bf7 {[%emt 0:03:05]} 20. Nb1 {[%emt 0:06:46]} h5 {[%emt 0:01:31]} 21. Nc5 {[%emt 0:01:50]} a5 {[%emt 0:03:44]} 22. a4 {[%emt 0:01:53]} Bh8 {[%emt 0:04:27]} 23. Rd3 {[%emt 0:02:39]} Rg8 {[%emt 0:00:19]} 24. Be1 {[%emt 0:02:39]} g4 {[%emt 0:01:33]} (24... Kg7 $142) 25. hxg4 $16 {[%emt 0:00:45]} hxg4 {[%emt 0:00:05]} 26. fxg4 {[%emt 0:01:11]} Rxg4 {[%emt 0:00:14]} 27. Rh3+ {[%emt 0:01:42]} Kg8 {[%emt 0:00:24]} 28. Bc3 {[%emt 0:01:53]} Bg7 {[%emt 0:02:13]} (28... Bg6 $16) 29. Nd2 $18 {[%emt 0:00:54][%cal Bb1d2,Bd2f3,Bf3e5][%mdl 32]} Bg6 {[%emt 0:00:26]} 30. Re1 {[%emt 0:02:36]} Nf7 {[%emt 0:09:32]} 31. Nf3 {[%emt 0:01:26]} Nd6 {[%emt 0:11:30]} (31... Ng5 $16 32. Nxg5 Rxg5) 32. Nxe5 {[%emt 0:04:15]} (32. Bxe5 Re8) 32... Rg5 {[%emt 0:00:14]} 33. Ned7 {[%emt 0:01:46] [#] And now Bxg7 would win. Pair of Knights!} Re8 {[%emt 0:02:04][%cal Rd6e4]} 34. e5 {[%emt 0:03:32]} Bxc2 {[%emt 0:06:28]} (34... Bf5 $142 35. Rf3 Rg4) 35. exd6 {[%emt 0:02:07]} ({Less strong is} 35. Bxa5 Bf5 36. Rf3 Re7 $18) 35... Rxe1+ {[%emt 0:00:07]} 36. Bxe1 {[%emt 0:00:02]} cxd6 {[%emt 0:00:25]} 37. Ne6 {[%emt 0:01:27]} Rd5 {[%emt 0:02:39]} 38. Nxg7 {[%emt 0:04:20]} ({Don't do} 38. Nxf4 Rd1) 38... Kxg7 {[%emt 0:00:05]} 39. Nb6 {[%emt 0:00:07]} Rg5 {[%emt 0:02:52]} 40. Rf3 {[%emt 0:07:32]} Rg4 {[%emt 0:03:02]} 41. g3 {[%emt 0:00:00]} fxg3 $2 {[%emt 0:00:00]} (41... Rg6 42. Rxf4 Bxb3 43. Bc3+ Kh6 44. Rh4+ Kg5 45. Bxa5 Bc2 46. Bd2+ Kf5) 42. Rxg3 {[%emt 0:00:00]} Rxg3+ {[%emt 0:00:00]} 43. Bxg3 {[%emt 0:00:00]} Bxb3 {[%emt 0:00:00]} 44. Bxd6 {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 45. Bc5 {[%emt 0:00:00] [#] Threatens to win with Kf2.} Ke6 $2 {[%emt 0:00:00]} (45... Kf7 46. Kf2 Ke8) 46. Kf2 {[%emt 0:00:00]} Bxa4 {[%emt 0:00:00]} (46... Bc2 $18 47. Ke2 Bg6) 47. Nxa4 {[%emt 0:00:00]} Kd5 {[%emt 0:00:00]} 48. Ke3 {[%emt 0:00:00]} Kc4 {[%emt 0:00:00]} 49. Bf8 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 50. Nxc5 {[%emt 0:00:00]} Kb5 {[%emt 0:00:00]} 51. Kd3 {[%emt 0:00:00]} a4 {[%emt 0:00:00]} 52. Kc3 {[%emt 0:00:00]} a3 {[%emt 0:00:00]} 53. Kb3 {[%emt 0:00:00]} a2 {[%emt 0:00:00]} 54. Kxa2 {[%emt 0:00:00]} Kb4 {[%emt 0:00:00]} 55. Kb2 {[%emt 0:00:00]} Kc4 {[%emt 0:00:00]} 56. Kc2 {[%emt 0:00:00]} Kd4 {[%emt 0:00:00]} 57. Kd2 {[%emt 0:00:00]} Kc4 {[%emt 0:00:00]} 58. Ke3 {[%emt 0:00:00]} Kc3 {[%emt 0:00:00]} 59. Nd3 {[%emt 0:00:00]} Kc4 {[%emt 0:00:00]} 60. Ke4 {[%emt 0:00:00]} Kb5 {[%emt 0:00:00]} 61. Kd5 {[%emt 0:00:00]} Kb6 {[%emt 0:00:00]} 62. Kc4 {[%emt 0:00:00]} Kc6 {[%emt 0:00:00]} 63. Ne5+ {[%emt 0:00:00]} Kb6 {[%emt 0:00:00]} 64. Bd6 {[%emt 0:00:00]} Ka6 {[%emt 0:00:00]} 65. Nd7 {[%emt 0:00:00]} Kb7 {[%emt 0:00:00]} 66. Kd5 {[%emt 0:00:00]} Ka7 {[%emt 0:00:00]} 67. Kc6 {[%emt 0:00:16]} Ka8 {[%emt 0:00:00]} 68. Nb6+ {[%emt 0:00:09]} Ka7 {[%emt 0:00:00]} 69. Be5 {[%emt 0:00:07]} Ka6 {[%emt 0:00:00]} 70. Bb8 {[%emt 0:00:07]} Ka5 {[%emt 0:00:00]} 71. Nd5 {[%emt 0:00:31] White mates.} Ka6 {[%emt 0:00:00]} 72. Nb4+ {[%emt 0:00:10]} Ka5 {[%emt 0:00:00]} 73. Kc5 {[%emt 0:00:05]} Ka4 {[%emt 0:00:00]} 74. Kc4 {[%emt 0:00:10]} Ka5 {[%emt 0:00:00]} 75. Bc7+ {[%emt 0:00:07]} Ka4 {[%emt 0:00:00]} 76. Bb6 {[%emt 0:00:15]} Ka3 {[%emt 0:00:00]} 77. Nd3 {[%emt 0:00:35]} Ka4 {[%emt 0:00:00]} 78. Nb2+ {[%emt 0:00:08]} Ka3 {[%emt 0:00:00]} 79. Kc3 {[%emt 0:00:04]} Ka2 {[%emt 0:00:00]} 80. Kc2 {[%emt 0:00:31]} Ka3 {[%emt 0:00:00]} 81. Bc5+ {[%emt 0:00:34]} Ka2 {[%emt 0:00:00]} 82. Nd3 {[%emt 0:00:11] Weighted Error Value: White=0.12 (very precise) /Black=0.45} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.24"]
[Round "7.1"]
[White "Van Delft, Merijn"]
[Black "Blom, Vincent"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "2383"]
[BlackElo "2325"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,41,51,79,41,41,30,25,24,33,23,22,21,22,18,41,33,45,36,23,16,28,28,28,34,93,76,77,77,113,7,9,5,14,17]} 1. e4 {[%emt 0:00:09]} Nf6 {[%emt 0:10:41]} 2. e5 {[%emt 0:01:11]} Ng8 {[%emt 0:00:14]} 3. d4 {[%emt 0:01:34]} d6 {[%emt 0:00:09]} 4. Nf3 {[%emt 0:00:51]} dxe5 {[%emt 0:01:00]} 5. Nxe5 {[%emt 0:00:24]} Nd7 {[%emt 0:00:04]} 6. Nf3 {[%emt 0:04:10] 0x0.00144a0789a0dp-1022s more active pieces. B02: Alekhine's Defence: Chase Variation and lines with early Nc3.} (6. Bd3 {with more complications.} g6 7. Qe2 Bg7 8. O-O) 6... Ngf6 {[%emt 0:01:07]} 7. c4 {[%emt 0:02:46]} e6 {[%emt 0:02:23]} 8. Nc3 {[%emt 0:00:24] White has an edge.} b6 {[%emt 0:07:59]} 9. Be2 {[%emt 0:01:26]} Bb7 {[%emt 0:01:29]} 10. O-O {[%emt 0:01:26]} Be7 {[%emt 0:17:16]} 11. Bf4 {[%emt 0:03:50] [#]} Ne4 $146 {[%emt 0:12:52]} ({Predecessor:} 11... O-O 12. Qd3 Nh5 13. Bc1 Nhf6 14. Bf4 Nh5 15. Be3 Nhf6 16. Rad1 c5 17. Ne5 Rc8 {1-0 (62) Piorun,K (2631)-Berkes,F (2666) Skopje 2019}) 12. Nxe4 {[%emt 0:02:54]} Bxe4 {[%emt 0:01:05]} 13. Qa4 {[%emt 0:06:04]} O-O {[%emt 0:05:35]} 14. Rfd1 {[%emt 0:02:43]} a6 {[%emt 0:09:18]} 15. Rac1 {[%emt 0:01:25]} b5 {[%emt 0:06:48]} 16. Qa5 {[%emt 0:09:25]} bxc4 {[%emt 0:03:00]} ({Black should play} 16... c6 $14 17. Qc3 Rc8) 17. Bxc7 $16 {[%emt 0:01:26]} Qc8 {[%emt 0:00:12]} 18. Nd2 {[%emt 0:03:50]} Bc6 {[%emt 0:04:36]} 19. Bf3 {[%emt 0:12:16]} ({Of course not} 19. Bxc4 $6 Qb7 20. Bf4 Bxg2 $11) (19. Rxc4 $6 Bb5 $11) (19. Nxc4 $16 {Strongly threatening Bd6.} Qb7 20. Nd6 Bxd6 21. Bxd6) 19... Bxf3 $11 {[%emt 0:01:09]} 20. Nxf3 {[%emt 0:00:13]} Qb7 {[%emt 0:00:28]} 21. Rxc4 {[%emt 0:05:12] Weighted Error Value: White=0.17 (very precise) /Black=0.11 (very precise)} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.24"]
[Round "7.2"]
[White "De Winter, Arthur"]
[Black "Bosboom, Manuel"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2150"]
[BlackElo "2381"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,81,17,28,9,16,14,18,13,14,16,23,0,-6,-6,7,-20,0,-18,-23,-22,-4,-20,-22,-27,-37,-40,52,-223,-234,-304,-297,-302,-287,-592,-577,-566,-503,-694,0,0,0,0,0,10,84,75,599,595,563,539,883,854,943,865,12836,12836,12834,5910,12837,12838,12838,12839,12839,12839,12840,12840,12841,12841,12841,12842,29994,29995]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:41]} 2. Nf3 {[%emt 0:00:05]} d6 {[%emt 0:01:13]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:22]} 5. Nc3 {[%emt 0:00:05]} a6 {[%emt 0:00:17]} 6. Bg5 {[%emt 0:00:06]} Nbd7 {[%emt 0:04:52]} 7. Qe2 $1 {[%emt 0:00:16][%mdl 4] 7.Qe2 is setting a new trend. B94: Sicilian Najdorf: 6 Bg5 Nbd7.} h6 {[%emt 0:05:00]} 8. Bh4 {[%emt 0:00:15]} g6 {[%emt 0:17:16]} 9. O-O-O {[%emt 0:03:49] The position is equal.} e5 {[%emt 0:06:31]} 10. Nb3 {[%emt 0:13:21][%cal Of2f4]} Be7 {[%emt 0:01:33]} 11. g4 {[%emt 0:08:54]} b5 {[%emt 0:04:55]} 12. a3 {[%emt 0:03:03]} Qc7 {[%emt 0:05:20]} 13. Bg2 {[%emt 0:03:43][%cal Of2f4]} Nb6 {[%emt 0:02:03]} 14. h3 {[%emt 0:03:40][%cal Of2f4] [#]} Be6 $146 {[%emt 0:01:23]} ({Predecessor:} 14... Na4 15. Bxf6 Bxf6 16. Nd5 Qd8 17. Nxf6+ Qxf6 18. Qd2 O-O 19. Qxh6 Qxf2 20. Rd2 Qg3 21. Rxd6 Qxg2 22. Rxg6+ {½-½ (22) Andronescu,M (2122)-Szabo,G (2524) Eforie Nord 2022}) 15. f4 {[%emt 0:02:26]} O-O {[%emt 0:13:31]} 16. f5 {[%emt 0:15:15]} Bc4 {[%emt 0:01:02]} 17. Qe3 {[%emt 0:04:43]} g5 {[%emt 0:02:28]} 18. Bf2 {[%emt 0:02:26]} Rfb8 {[%emt 0:02:18]} (18... Na4 $15) 19. Kb1 $2 {[%emt 0:04:55][%mdl 8192]} (19. Na5 $1 $14 {was forced to keep a grip.}) 19... a5 $1 $19 {[%emt 0:01:15]} 20. Nd5 {[%emt 0:06:02] Prevents b4.} Bxd5 {[%emt 0:04:18]} 21. exd5 {[%emt 0:00:07]} b4 {[%emt 0:00:37] Strongly threatening ...Nc4.} 22. h4 $2 {[%emt 0:03:45]} (22. a4) 22... Nxg4 {[%emt 0:10:29] Pair of Knights!} 23. Qg3 {[%emt 0:00:18]} Nxf2 {[%emt 0:00:43]} 24. hxg5 {[%emt 0:00:59] [#]} hxg5 {[%emt 0:02:44]} 25. f6 $1 $11 {[%emt 0:11:39] Chess con chili.} Bxf6 {[%emt 0:00:03]} 26. Qxf2 {[%emt 0:00:05]} Qe7 {[%emt 0:02:25] ...bxa3 is the strong threat.} 27. a4 {[%emt 0:04:09] Threatens to win with Rdf1.} Bg7 {[%emt 0:01:40]} (27... e4 $1 $11 {remains equal.} 28. Rdf1 Nxd5) 28. Qf5 $40 {[%emt 0:01:46][%mdl 128] White goes for the king. White is much more active.} Nxa4 $2 {[%emt 0:01:38][%mdl 8192]} ({Much worse is} 28... Kf8 29. Rdf1 $11) (28... e4 $16 {prevents the worst.}) 29. Be4 $18 {[%emt 0:01:08][%cal Oh1h8] Threatening mate with Rh8+!} ({Not} 29. Rh5 Nxb2 $1 30. Kxb2 a4 $11) 29... Kf8 {[%emt 0:01:10][%cal Oa4b2] aiming for ...Nxb2!} 30. Rdf1 {[%emt 0:00:53]} Nc3+ {[%emt 0:01:26]} 31. bxc3 {[%emt 0:00:09]} bxc3 {[%emt 0:00:21]} 32. Rh7 {[%emt 0:00:27][%cal Oh7g7] Intending Rxg7! and mate.} f6 {[%emt 0:00:49]} 33. Rfh1 {[%emt 0:00:42] Rh8+ would kill now.} Qf7 {[%emt 0:00:33] [#]} 34. R1h6 {[%emt 0:02:39]} (34. Rxg7 $142 $1 {[%mdl 512]} Qxg7 35. Rh7) 34... a4 {[%emt 0:02:24] [#]} 35. Rxg7 $1 {[%emt 0:00:21][%mdl 576] Remove Defender} Qxg7 {[%emt 0:00:07]} 36. Rxf6+ {[%emt 0:00:04]} Ke8 {[%emt 0:01:14]} 37. Re6+ {[%emt 0:00:59]} Kd8 {[%emt 0:00:10]} 38. Rxd6+ {[%emt 0:00:10]} Kc7 {[%emt 0:00:09]} 39. Rc6+ {[%emt 0:00:34]} Kd8 {[%emt 0:00:09]} 40. Rg6 {[%emt 0:04:37]} Qd7 {[%emt 0:03:26]} 41. Qf8+ {[%emt 0:00:22] Weighted Error Value: White=0.42/Black=0.82} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.24"]
[Round "7.3"]
[White "Zwirs, Nico"]
[Black "Van der Poel, Henk"]
[Result "1-0"]
[ECO "B67"]
[WhiteElo "2485"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,47,12,20,29,37,37,44,48,50,45,54,37,172,175,184,179,237,239,258,241,280,280,331,337,748,722,669,598]} 1. e4 {[%emt 0:00:01]} c5 {[%emt 0:00:33]} 2. Nf3 {[%emt 0:00:02]} d6 {[%emt 0:00:29]} 3. d4 {[%emt 0:00:04]} cxd4 4. Nxd4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:23]} 5. Nc3 {[%emt 0:00:02]} Nc6 {[%emt 0:00:33]} 6. Bg5 {[%emt 0:01:46]} e6 {[%emt 0:00:41]} 7. Qd2 {[%emt 0:00:04]} a6 {[%emt 0:00:54]} 8. O-O-O {[%emt 0:01:34]} Bd7 {[%emt 0:00:29]} 9. Kb1 {[%emt 0:00:06]} Be7 {[%emt 0:04:17]} 10. Nxc6 {[%emt 0:01:22]} Bxc6 {[%emt 0:02:02]} 11. f3 {[%emt 0:00:27]} b5 {[%emt 0:12:45]} 12. h4 {[%emt 0:01:01] B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7.} Qc7 {[%emt 1:13:24] 12...h6 is a critical line.} 13. Ne2 {[%emt 0:00:51]} h5 {[%emt 0:00:00]} 14. Nd4 {[%emt 0:08:05] White is slightly better.} Bd7 {[%emt 0:00:00]} 15. Bd3 {[%emt 0:04:59] [#]} Qb6 $146 {[%emt 0:00:00]} ({Predecessor:} 15... Rb8 16. Qe2 g6 17. f4 e5 18. Nf3 Ng4 19. f5 f6 20. Bd2 gxf5 21. exf5 d5 {0-1 (41) Chytilek,R (2397)-Belunek,V (2233) Czech Republic 2000}) 16. Ne2 {[%emt 0:11:45]} O-O-O {[%emt 0:00:00]} (16... b4 $14) 17. Be3 $18 {[%emt 0:07:08]} Qb7 {[%emt 0:00:00]} 18. Qa5 $36 {[%emt 0:00:48][%mdl 2048] And now c4 would win. White is in control.} Kb8 {[%emt 0:00:00]} (18... d5 {keeps fighting.}) 19. c4 {[%emt 0:03:37] cxb5 is the strong threat.} Rc8 {[%emt 0:00:00] [#]} 20. cxb5 {[%emt 0:01:52]} Bxb5 {[%emt 0:00:00] [#]} 21. Nd4 $1 {[%emt 0:00:58]} Bd8 {[%emt 0:00:00]} 22. Qa3 {[%emt 0:00:35] Strongly threatening Bxb5.} Be7 $2 {[%emt 0:00:00]} (22... Bb6 23. Nxb5 axb5) 23. Nxb5 {[%emt 0:03:21]} axb5 {[%emt 0:00:00] [#]} 24. Bxb5 $1 {[%emt 0:00:19][%mdl 512] White took control after the opening.  Weighted Error Value: White=0.01 (flawless) /Black=0.39} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.24"]
[Round "7.4"]
[White "Kumar, Prajit Sai"]
[Black "De Groote, Ewoud"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2040"]
[BlackElo "2245"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,110,0,0,6,15,-2,0,0,0,0,0,0,16,20,15,12,19,32,47,48,82,82,94,80,73,77,102,101,105,99,201,204,197,127,123,122,120,81,88,54,161,160,154,162,164,149,147,133,130,130,133,131,135,119,119,114,178,159,158,180,191,146,225,198,218,185,186,166,154,143,165,141,140,96,108,108,104,75,106,41,41,35,39,37,37,16,12,10,10,10,10,7,39,39,41,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:01]} e6 {[%emt 0:00:13]} 3. Bf4 {[%emt 0:00:05]} d5 {[%emt 0:00:16]} 4. c3 {[%emt 0:00:05]} Bd6 {[%emt 0:01:05]} 5. e3 {[%emt 0:00:06]} O-O {[%emt 0:00:52]} 6. Nbd2 {[%emt 0:00:09] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} c5 {[%emt 0:01:33]} 7. Bg3 {[%emt 0:00:15]} Qc7 {[%emt 0:07:38]} 8. dxc5 {[%emt 0:01:47]} Qxc5 {[%emt 0:04:57]} 9. Bd3 {[%emt 0:00:21]} Nbd7 {[%emt 0:09:45]} 10. Qe2 {[%emt 0:00:50]} e5 {[%emt 0:16:55] [#] aiming for ...e4.} 11. e4 {[%emt 0:00:18]} Re8 {[%emt 0:01:52]} 12. O-O {[%emt 0:04:43]} dxe4 {[%emt 0:06:56]} 13. Bxe4 {[%emt 0:01:01] [#]} Bf8 $146 {[%emt 0:06:45]} ({Predecessor:} 13... Nf8 14. Bh4 Nxe4 15. Nxe4 Qc7 16. Rad1 Be7 17. Bxe7 Rxe7 18. Nd6 Ng6 19. Nb5 Qc6 {1-0 (58) Bharath,S (2508)-Zierk,S (2488) Chess.com INT 2022}) 14. Bc2 {[%emt 0:04:03]} g6 {[%emt 0:11:37]} 15. Rfe1 {[%emt 0:01:11]} Bg7 {[%emt 0:01:35]} 16. Ng5 {[%emt 0:11:38]} (16. Nxe5 Nxe5 17. Bxe5 Nd7 $15) 16... h6 {[%emt 0:08:42]} 17. Nge4 {[%emt 0:00:57]} (17. Nxf7 {is interesting.} Kxf7 18. Bb3+ Kf8 19. Qd3) 17... Nxe4 {[%emt 0:00:52]} 18. Nxe4 {[%emt 0:00:11]} (18. Qxe4 $6 Nf6 19. Qf3 Bd7 $11) 18... Qb6 {[%emt 0:01:38]} 19. Rad1 {[%emt 0:01:47] And now Bb3 would win.} Nc5 {[%emt 0:03:14] Against Bb3} (19... Nf8 $16 {was necessary.}) 20. Nd6 $18 {[%emt 0:16:37]} Re7 {[%emt 0:06:42]} 21. Nc4 {[%emt 0:02:42]} (21. b4 $18) 21... Qa6 {[%emt 0:02:54]} 22. Rd8+ {[%emt 0:10:42]} (22. Bxe5 $6 Bd7 $11) 22... Kh7 {[%emt 0:00:05][%cal Oc8g4] Strongly threatening ...Bg4!} 23. Rd6 {[%emt 0:08:24] White is more active.} (23. Bxe5 {[#]} Bg4 $1 24. Qxg4 Rxd8 $17) 23... b6 {[%emt 0:02:42]} 24. b4 {[%emt 0:09:15]} (24. Bxe5 $6 Bf5 25. Bxf5 gxf5 $11) 24... Be6 {[%emt 0:00:31]} (24... Na4 $1 $14) 25. Nxe5 {[%emt 0:01:41]} (25. bxc5 Qxc4 26. Qxc4 (26. Bxe5 $2 Qxe2 27. Rxe2 Bc4 $19) (26. cxb6 Qc5 $11) 26... Bxc4 $11) 25... Qxe2 {[%emt 0:00:41]} 26. Rxe2 {[%emt 0:00:06]} Bc4 {[%emt 0:01:41]} 27. Re3 {[%emt 0:00:55]} ({Wrong is} 27. Nxc4 $2 Rxe2 28. Ne3 Re1+ 29. Nf1 Ne4 30. Bxe4 Rxe4 $19) 27... Bxe5 {[%emt 0:00:21]} 28. Bxe5 {[%emt 0:00:37]} Rae8 {[%emt 0:00:48]} 29. Bd4 {[%emt 0:02:34] A strong pair of Bishops.} ({Don't do} 29. bxc5 Rxe5 30. c6 (30. cxb6 axb6 31. Bb3 Rxe3 $14) 30... Rxe3 31. fxe3 Bxa2 $14) 29... Ne4 {[%emt 0:00:59]} 30. Bxe4 {[%emt 0:01:09]} Rxe4 {[%emt 0:00:01]} 31. a4 {[%emt 0:00:40]} Rxe3 {[%emt 0:00:48]} 32. fxe3 $16 {[%emt 0:00:11][%cal Bf2e3,Be3e4][%mdl 4128] Endgame KRB-KRB} Rc8 {[%emt 0:00:59] Prevents Rc6.} (32... Be6 $16 {is a better defense.} 33. a5 bxa5) 33. Rd7 $18 {[%emt 0:00:53]} Ra8 {[%emt 0:00:38]} 34. Rc7 {[%emt 0:00:32]} Be6 {[%emt 0:00:18]} 35. Kf2 {[%emt 0:01:33]} g5 {[%emt 0:00:26]} (35... Kg8 $16 {was worth a try.} 36. c4 Kf8) 36. e4 {[%emt 0:01:03]} Kg6 {[%emt 0:00:26]} 37. Ke3 {[%emt 0:00:15]} h5 {[%emt 0:00:42]} 38. Kd3 {[%emt 0:00:43]} f5 {[%emt 0:00:25]} 39. exf5+ {[%emt 0:02:12]} Kxf5 {[%emt 0:00:21]} 40. Re7 {[%emt 0:01:48]} h4 {[%emt 0:00:41]} 41. Ke3 {[%emt 0:02:30]} Bc4 {[%emt 0:00:00]} 42. Re5+ {[%emt 0:00:00]} Kg6 {[%emt 0:00:00]} 43. Kd2 {[%emt 0:00:00]} Rd8 {[%emt 0:00:00]} 44. Ke1 {[%emt 0:00:00]} (44. Re7 $16) 44... Rf8 $14 {[%emt 0:00:00]} 45. Bf2 {[%emt 0:00:00]} Rf6 {[%emt 0:00:00]} 46. a5 {[%emt 0:00:00]} bxa5 {[%emt 0:00:00]} 47. bxa5 {[%emt 0:00:00]} (47. Be3 $5 {[%cal Re5g5]}) 47... a6 {[%emt 0:00:00]} 48. Be3 {[%emt 0:00:00]} Rf5 {[%emt 0:00:00]} 49. Rxf5 {[%emt 0:00:00]} Kxf5 $11 {[%emt 0:00:00] KB-KB} 50. Kf2 {[%emt 0:00:00]} Bd5 {[%emt 0:00:00]} 51. Bb6 {[%emt 0:00:00]} g4 {[%emt 0:00:00][%cal Bg5g4,Bg4g3][%mdl 32]} 52. h3 {[%emt 0:00:00]} g3+ {[%emt 0:00:00] The position is equal.} 53. Kf1 {[%emt 0:00:00]} Bc4+ {[%emt 0:00:00]} 54. Kg1 {[%emt 0:00:00] Threatens to win with Bd8.} Kg6 {[%emt 0:00:02]} 55. Bd8 {[%emt 0:00:00]} Kh5 {[%emt 0:00:01] Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.13 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.24"]
[Round "7.5"]
[White "Bruil, Rembrandt"]
[Black "Van Baar, Esper"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2204"]
[BlackElo "2281"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,81,16,-16,30,24,27,-8,29,31,32,16,22,23,12,16,56,66,56,37,102,129,99,103,93,56,99,90,88,86,102,104,88,48,42,0,0,0,14,0,0,0,9,7,38,0,52,63,60,36,201,206,206,219,210,204,204,204,343,330,385,385,385,385,385,383,383,350,347,351,29983,29983]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:03:27]} 2. Nf3 {[%emt 0:00:05]} e6 {[%emt 0:01:03]} 3. g3 {[%emt 0:00:15]} b5 {[%emt 0:01:30]} 4. Bg2 {[%emt 0:00:21]} Bb7 {[%emt 0:00:30]} 5. O-O {[%emt 0:00:14]} c5 {[%emt 0:00:54]} 6. c3 {[%emt 0:01:44]} Be7 {[%emt 0:03:21]} 7. Nbd2 {[%emt 0:01:02][%cal Oe2e4,Bb1d2,Bd2b3,Bb3d4][%mdl 32]} d5 {[%emt 0:05:03] A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} (7... O-O $142) 8. dxc5 $11 {[%emt 0:12:50]} Bxc5 {[%emt 0:00:12]} 9. Nb3 {[%emt 0:00:03]} Be7 {[%emt 0:02:02] [#] The position is equal.} 10. Nbd4 $146 {[%emt 0:00:16]} ({Predecessor:} 10. Be3 Nbd7 11. Nbd4 a6 12. h3 O-O 13. Nd2 Rb8 14. N4b3 Qc7 15. Rc1 Rfd8 16. Qc2 {½-½ (55) Voelzke,S (2124)-Potthammel,J (2067) Rheda Wiedenbrueck 2001}) 10... a6 {[%emt 0:02:43]} 11. a4 {[%emt 0:00:42]} b4 {[%emt 0:01:15]} 12. cxb4 {[%emt 0:02:37]} Bxb4 {[%emt 0:00:38]} 13. Bd2 {[%emt 0:00:29]} Qe7 {[%emt 0:07:32]} 14. Bxb4 {[%emt 0:04:17]} Qxb4 {[%emt 0:00:09]} 15. Qb3 {[%emt 0:09:11]} a5 {[%emt 0:03:13]} (15... Nc6 $14) 16. Qxb4 {[%emt 0:00:21]} axb4 {[%emt 0:00:04]} 17. Rfc1 {[%emt 0:01:32]} Na6 {[%emt 0:01:16] Against Rc7} 18. e3 {[%emt 0:14:49]} Nd7 {[%emt 0:06:08]} 19. Bf1 {[%emt 0:04:31]} Ndc5 {[%emt 0:05:58]} 20. Ne5 {[%emt 0:06:31]} f6 {[%emt 0:21:23]} 21. Bxa6 {[%emt 0:13:48]} Nxa6 {[%emt 0:01:49]} 22. Nd3 {[%emt 0:00:12] White is much more active. The black rooks are badly placed. Pair of Knights!} Kd7 {[%emt 0:02:05]} 23. Nc5+ {[%emt 0:02:19]} Nxc5 {[%emt 0:00:13]} 24. Rxc5 {[%emt 0:00:02]} e5 {[%emt 0:04:37]} 25. Rb5 $36 {[%emt 0:04:28][%mdl 2048] White has good play.} Rab8 {[%emt 0:18:40]} 26. Nc2 {[%emt 0:00:42]} b3 $1 {[%emt 0:00:42]} 27. Rxb3 {[%emt 0:11:32]} Ba6 {[%emt 0:00:04] Prevents Rd3.} (27... Rhc8 $5 {[%cal Rc8c2]} 28. Rc3 Bc6 $11) 28. Raa3 {[%emt 0:00:19]} Bc4 {[%emt 0:02:44]} (28... Rhc8 $11 29. Rxb8 Rxb8) 29. Rxb8 $1 $14 {[%emt 0:00:47]} Rxb8 {[%emt 0:00:03][%mdl 4096] Endgame KRB-KRN} 30. b4 {[%emt 0:00:22][%cal Bb2b4,Bb4b5][%mdl 32]} d4 $2 {[%emt 0:00:39] This move loses the game for Black.} ({Black should play} 30... Be2 $14) 31. exd4 $18 {[%emt 0:00:19]} exd4 {[%emt 0:00:08] [#]} 32. b5 $1 {[%emt 0:00:18]} ({But not} 32. Nxd4 $6 Rxb4 33. Nf5 g6 $14) 32... d3 {[%emt 0:01:39]} 33. Ne3 {[%emt 0:00:19]} d2 {[%emt 0:00:37][%cal Ob8e8] ...Re8! is the strong threat.} 34. Rc3 {[%emt 0:01:47]} Rc8 {[%emt 0:04:36]} (34... Bf7 $142 35. Rd3+ Kc7 36. Rxd2 Ra8 37. Rc2+ Kb8) 35. Rc2 {[%emt 0:00:25]} Bb3 {[%emt 0:00:31]} 36. Rxd2+ {[%emt 0:00:06]} Ke6 {[%emt 0:00:30]} 37. a5 {[%emt 0:08:31][%cal Ba4a5,Ba5a6][%mdl 32]} Rc1+ {[%emt 0:00:03]} 38. Kg2 {[%emt 0:00:07]} Rc5 {[%emt 0:00:04]} 39. Rb2 {[%emt 0:00:51]} Rxb5 {[%emt 0:00:20] [#] aiming for ...Bd5+.} 40. a6 {[%emt 0:00:06]} Bc4 $2 {[%emt 0:01:32]} (40... Bd5+ $18 41. Nxd5 Rxd5) 41. Nxc4 {[%emt 0:00:07] Weighted Error Value: White=0.07 (flawless) /Black=0.50} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.24"]
[Round "7.6"]
[White "Vroombout, Enrico"]
[Black "Stolwijk, Colin"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2125"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,96,11,18,14,25,33,22,13,10,16,10,-43,-16,-15,0,-17,1,0,3,23,53,50,54,45,62,-3,76,68,69,72,102,65,56,0,0,-26,27,-35,0,-66,-58,-68,-47,-70,-62,-93,-84,-131,-122,-104,0,-73,0,-128,-123,-135,-33,-20,-3,-116,-117,-115,-109,-577,-570,-833,-766,-790,-670,-728,-665,-730,-725,-728,-689,-714,-716,-696,-691,-664,-643,-612,-419,-744,-728,-820,-706,-669,-553]} 1. d4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:08]} 2. c4 {[%emt 0:00:08]} c6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:08]} d5 {[%emt 0:00:06]} 4. Nf3 {[%emt 0:00:07]} a6 {[%emt 0:00:06]} 5. g3 {[%emt 0:00:10]} e6 {[%emt 0:01:25]} 6. Bg2 {[%emt 0:00:58] D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} Nbd7 {[%emt 0:00:45]} 7. O-O {[%emt 0:01:46]} dxc4 {[%emt 0:05:53]} 8. Qc2 {[%emt 0:10:48] The position is equal.} b5 {[%emt 0:04:58]} 9. Rd1 {[%emt 0:03:06]} Bb7 {[%emt 0:04:29]} 10. a4 {[%emt 0:20:58]} (10. Ne5 $11) 10... Bb4 {[%emt 0:05:19]} 11. Ne5 {[%emt 0:08:44]} Nd5 {[%emt 0:01:30]} 12. Ne4 {[%emt 0:07:35] [#]} Nxe5 $146 {[%emt 0:09:13]} (12... a5 {with more complications.} 13. Bd2 O-O 14. Ng5 g6) ({Predecessor:} 12... Qc7 13. Nxd7 Qxd7 14. Nc5 Bxc5 15. dxc5 Qe7 16. e4 Nf6 17. b3 cxb3 18. Qxb3 O-O {½-½ (27) Serna Lara,S (2234)-O'Neill Y Daneiko,J (2071) Almansa 2009}) 13. dxe5 {[%emt 0:00:06]} Qc7 {[%emt 0:00:10]} 14. Bd2 {[%emt 0:08:53]} Be7 {[%emt 0:08:58]} 15. Nd6+ {[%emt 0:03:05]} Bxd6 {[%emt 0:02:18]} 16. exd6 {[%emt 0:00:03]} Qxd6 {[%emt 0:00:13]} 17. Bc3 {[%emt 0:06:51]} ({White should try} 17. axb5 $14 cxb5 18. e4) 17... O-O-O {[%emt 0:28:39]} (17... e5 $1 $11 {keeps the balance.}) 18. Bxg7 $16 {[%emt 0:01:07] This bishop pair is nice.} Rhg8 {[%emt 0:00:03]} 19. Qxh7 {[%emt 0:03:55]} f5 {[%emt 0:01:11]} 20. Bxd5 {[%emt 0:04:18]} cxd5 {[%emt 0:00:19]} 21. Bd4 {[%emt 0:00:04]} (21. Bf6 $1 $14) 21... b4 $1 $11 {[%emt 0:01:20]} 22. Qh6 {[%emt 0:08:37]} f4 {[%emt 0:06:13]} (22... a5 $142) 23. Kf1 {[%emt 0:04:45]} (23. e3 $11) 23... Rdf8 {[%emt 0:04:00][%cal Bd8f8,Bf8f7,Bf7f5,Bf5g5,Bg5g6,Bg6e6][%mdl 32]} 24. Ke1 {[%emt 0:00:50]} (24. Rac1 $11) 24... Rf7 {[%emt 0:02:27]} 25. Qh5 {[%emt 0:00:43]} Rf5 {[%emt 0:00:25]} 26. Qh7 {[%emt 0:00:03]} Rgf8 {[%emt 0:01:10]} 27. g4 {[%emt 0:01:36] [#]} Rg5 {[%emt 0:00:56]} 28. f3 {[%emt 0:00:20]} (28. a5 $142) 28... e5 $17 {[%emt 0:01:06]} 29. Bf2 {[%emt 0:00:11]} Kb8 {[%emt 0:04:47]} (29... Rgg8 $17 {And now ...Rh8 would win.} 30. h4 Kb8) 30. Rac1 {[%emt 0:00:31] [#]} (30. Bh4 $11 Qb6 31. Bxg5 Qg1+ 32. Kd2 Qe3+ 33. Ke1 (33. Kc2 Qxe2+ 34. Kc1 b3 $15) 33... Qg1+ 34. Kd2 Qe3+ 35. Ke1 (35. Kc2 Qxe2+ 36. Rd2 b3+ 37. Kc1 Qe1+ 38. Rd1 Qe2 $15) 35... Qg1+) 30... Rc8 {[%emt 0:01:47]} ({Black should play} 30... Qe6 $1 $17) 31. Bh4 {[%emt 0:01:11]} (31. h4 $11 Rc7 32. Qh8+ Rc8 33. Qh7) 31... Rg6 {[%emt 0:01:03]} 32. Qe7 {[%emt 0:00:05]} Qxe7 {[%emt 0:00:51]} (32... a5 $17 {White must now prevent ...Qxe7.} 33. Qxd6+ Rxd6) 33. Bxe7 $15 {[%emt 0:00:03]} a5 $36 {[%emt 0:00:12][%mdl 2048] Black has some pressure.} 34. h4 {[%emt 0:00:35]} (34. g5 $1 $11) 34... Re6 $17 {[%emt 0:01:00]} 35. Bg5 {[%emt 0:00:13]} d4 {[%emt 0:00:17] Black is more active.} 36. b3 $2 {[%emt 0:04:17][%mdl 8192] This costs White the game.} (36. h5 $17 {is a better chance.}) 36... c3 $19 {[%emt 0:02:47] Threatens to win with ...Bd5.} 37. Rc2 {[%emt 0:00:06]} Bd5 {[%emt 0:00:02]} 38. Rb1 {[%emt 0:00:08]} Rg8 {[%emt 0:00:33] Hoping for ...e4.} 39. Kf2 {[%emt 0:00:27]} Kc7 {[%emt 0:00:39]} 40. Rcc1 {[%emt 0:01:18]} Kd7 {[%emt 0:01:05]} 41. Rc2 {[%emt 0:00:00]} Rc6 {[%emt 0:00:00]} 42. Rcc1 {[%emt 0:00:00]} Rg7 {[%emt 0:00:00]} 43. Rc2 {[%emt 0:00:00]} Bg8 {[%emt 0:00:00] aiming for ...Bh7.} 44. Rcc1 {[%emt 0:00:00]} Rd6 {[%emt 0:00:00]} 45. Ke1 {[%emt 0:00:00]} Kc6 {[%emt 0:00:00]} 46. Kf2 {[%emt 0:00:00]} (46. Rd1 $142) 46... Kc5 {[%emt 0:00:00] Black is clearly winning.} 47. Rd1 {[%emt 0:00:00] [#]} Bxb3 $1 {[%emt 0:00:00][%mdl 512]} 48. Rxb3 {[%emt 0:00:00]} Kc4 {[%emt 0:00:00] Weighted Error Value: White=0.64/Black=0.24 (precise)} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.24"]
[Round "7.7"]
[White "Bullen, Alex"]
[Black "Croese, Cor"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2106"]
[BlackElo "2173"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,85,38,48,54,72,76,94,94,90,81,90,72,73,70,68,77,66,60,59,60,58,56,58,52,70,54,94,91,110,54,113,118,103,84,80,82,99,81,77,74,63,12,15,12,14,15,96,88,306,318,325,324,377,349,403,400,559,550,2285,2285,11138,4904,1483,2573,29956,29957,29960,12846,29975,29976]} 1. d4 {[%emt 0:00:05]} g6 {[%emt 0:00:03]} 2. e4 {[%emt 0:00:10]} Bg7 {[%emt 0:00:07]} 3. Nf3 {[%emt 0:00:08]} d6 {[%emt 0:00:11]} 4. Nc3 {[%emt 0:00:12]} c6 {[%emt 0:00:10]} 5. a4 {[%emt 0:00:31]} Nf6 {[%emt 0:00:08]} 6. h3 {[%emt 0:00:12]} O-O {[%emt 0:00:35]} 7. Be3 {[%emt 0:00:10]} Nbd7 {[%emt 0:00:21]} 8. Be2 {[%emt 0:00:12]} e5 {[%emt 0:00:12]} 9. dxe5 {[%emt 0:00:08]} dxe5 {[%emt 0:00:07]} 10. Qd6 {[%emt 0:00:13] B08: Pirc Defence: Classical System.} Re8 {[%emt 0:03:05] [#]} 11. Bc4 $1 {[%emt 0:00:08]} Qe7 {[%emt 0:09:04]} 12. Qxe7 {[%emt 0:00:38] 0x0.00144b0bdc0adp-1022s more active pieces. White is better.} Rxe7 {[%emt 0:00:04]} 13. O-O-O {[%emt 0:03:41]} h6 {[%emt 0:01:21] [#]} 14. Nh4 $146 {[%emt 0:07:13]} ({Predecessor:} 14. g4 Nf8 15. Rd8 Re8 16. Rhd1 Ne6 17. Bxe6 Bxe6 18. Rxa8 Rxa8 19. Nxe5 h5 20. Rg1 hxg4 21. Nxg4 {½-½ (45) Schmidt,K (2303)-Hoi,C (2372) Denmark 2012}) 14... Nf8 {[%emt 0:04:53]} 15. Rd8 {[%emt 0:05:13] Black must now prevent Nxg6.} Re8 $1 {[%emt 0:00:20]} 16. Rhd1 {[%emt 0:01:58] Threatens to win with Rxe8.} Be6 {[%emt 0:06:01]} 17. Rxe8 {[%emt 0:01:07]} Nxe8 {[%emt 0:00:04]} 18. Bxe6 {[%emt 0:03:08]} Nxe6 {[%emt 0:00:06]} 19. Rd7 {[%emt 0:00:49]} b6 {[%emt 0:10:01]} 20. Nf3 {[%emt 0:09:47][%cal Oa4a5]} N8c7 {[%emt 0:07:02]} 21. Rd6 {[%emt 0:03:57]} c5 {[%emt 0:01:19]} 22. Nd5 {[%emt 0:03:36]} Nxd5 {[%emt 0:01:39]} 23. Rxd5 {[%emt 0:00:15]} (23. exd5 $16 Rd8 24. Rxd8+ Nxd8 25. Nd2) 23... Nf4 {[%emt 0:07:46]} (23... Kf8 $14) 24. Bxf4 $16 {[%emt 0:00:30]} exf4 {[%emt 0:00:05][%mdl 4096] Endgame KRB-KRN} 25. e5 {[%emt 0:00:47]} Re8 {[%emt 0:00:55]} 26. Kd2 {[%emt 0:01:43]} f6 {[%emt 0:00:49][%cal Rf6e5]} 27. exf6 {[%emt 0:02:40]} Bxf6 {[%emt 0:00:06]} 28. b3 {[%emt 0:00:54]} Kf7 {[%emt 0:02:35]} 29. Rd7+ {[%emt 0:01:05]} (29. Kd3 $1 $14) 29... Re7 $11 {[%emt 0:00:10]} 30. Rxe7+ {[%emt 0:01:29]} Kxe7 {[%emt 0:00:11] KB-KN} 31. Kd3 {[%emt 0:00:43] Strongly threatening Ke4.} g5 {[%emt 0:12:05] [#]} (31... Kd6 $1 $11 {remains equal.}) 32. Kc4 $1 $16 {[%emt 0:02:06]} a6 $2 {[%emt 0:03:49] Loses the game.} (32... Kd6 $16 {was necessary.}) 33. a5 $18 {[%emt 0:00:42]} bxa5 {[%emt 0:00:06]} 34. Kxc5 {[%emt 0:00:17]} Bc3 {[%emt 0:01:20]} 35. Nd4 {[%emt 0:02:46]} Kf6 {[%emt 0:02:46]} 36. Kd5 {[%emt 0:03:01]} h5 {[%emt 0:00:46]} 37. f3 {[%emt 0:00:39][%cal Bf2f3,Bf3g4][%mdl 32]} g4 {[%emt 0:02:54]} 38. hxg4 {[%emt 0:01:07]} hxg4 {[%emt 0:00:05]} 39. fxg4 {[%emt 0:00:18] Threatening mate with Ne2.} Kg5 {[%emt 0:00:18]} 40. Ne2 {[%emt 0:00:26]} Bd2 {[%emt 0:01:04]} 41. c4 {[%emt 0:00:52][%cal Bc2c4,Bc4c5][%mdl 32]} Be3 {[%emt 0:01:07]} 42. c5 {[%emt 0:03:17] White wants to mate with c6.} Kxg4 {[%emt 0:00:07]} 43. Nd4 {[%emt 0:02:10] Weighted Error Value: White=0.06 (flawless) /Black=0.85} 1-0

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.24"]
[Round "7.8"]
[White "Van der Velde, Henk"]
[Black "Baarslag, Ed"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2079"]
[BlackElo "2161"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,58,0,0,7,0,6,28,26,16,10,3,3,14,16,19,0,12,0,0,-14,17,13,10,0,4,-87,-80,-70,-74,-54,-70,-52,-83,-47,-50,-61,-47,-45,-38,-327,-318,-1328,-1305,-29969,-29971,-29981,-29982,-29975,-29976,-29976,-29976]} 1. c4 {[%emt 0:00:03]} e6 {[%emt 0:00:31]} 2. g3 {[%emt 0:00:11]} d5 {[%emt 0:00:08]} 3. Bg2 {[%emt 0:00:09]} Nf6 {[%emt 0:00:19]} 4. Nf3 {[%emt 0:00:12]} dxc4 {[%emt 0:00:48]} 5. Qc2 {[%emt 0:00:38]} c5 {[%emt 0:08:05]} 6. Na3 {[%emt 0:00:57][%cal Bb1a3,Ba3c4,Bc4e5][%mdl 32] A13: English Opening: 1...e6.} Nc6 {[%emt 0:02:02]} 7. Nxc4 {[%emt 0:00:39]} Bd7 {[%emt 0:07:45]} 8. O-O {[%emt 0:04:46] [#] White has an edge.} Rc8 $146 {[%emt 0:04:36]} ({Predecessor:} 8... Be7 9. Rd1 Rc8 10. Nce5 O-O 11. Qb3 Qc7 12. Nxd7 Nxd7 13. d4 cxd4 14. Nxd4 Nxd4 15. Rxd4 {1-0 (28) Mueller,A (2260)-Karabalis,H Bruchkoebel 1993}) 9. d3 {[%emt 0:13:09]} b5 {[%emt 0:04:00]} 10. Nce5 {[%emt 0:02:41]} Be7 {[%emt 0:01:27]} 11. e4 {[%emt 0:19:37]} O-O {[%emt 0:02:37]} 12. Bf4 {[%emt 0:03:59]} Qb6 {[%emt 0:03:49]} 13. Rac1 {[%emt 0:06:47]} Rfd8 {[%emt 0:06:19]} 14. Nxc6 {[%emt 0:04:00]} Rxc6 {[%emt 0:04:08]} 15. Ne5 {[%emt 0:06:31]} Rcc8 {[%emt 0:00:33]} 16. Nxd7 {[%emt 0:07:23]} Nxd7 {[%emt 0:01:03][%cal Bf6d7,Bd7e5,Be5g4][%mdl 32]} 17. d4 {[%emt 0:03:47] [#]} (17. Rfd1 $11) 17... g5 $1 $17 {[%emt 0:10:49]} 18. Bd2 {[%emt 0:03:31]} cxd4 {[%emt 0:00:35]} 19. Qxc8 {[%emt 0:00:07]} Rxc8 {[%emt 0:00:07]} 20. Rxc8+ {[%emt 0:00:03]} Kg7 {[%emt 0:00:25]} 21. Rfc1 {[%emt 0:00:40]} Ne5 {[%emt 0:03:08] [#] Prevents R1c6. Threatens to win with ...Nc4.} 22. Re8 $1 {[%emt 0:02:50]} Bf6 {[%emt 0:04:47] ...d3 is the strong threat.} 23. Rcc8 {[%emt 0:04:31] aiming for Rg8+.} h6 {[%emt 0:00:37] Hoping for ...Kh7.} 24. Bb4 $2 {[%emt 0:00:59][%mdl 8192] This costs White the game.} (24. Rh8 $1 $15 Kg6 25. Rcg8+ Bg7 26. h4) 24... d3 $19 {[%emt 0:03:32] Really sharp!} 25. Kf1 $2 {[%emt 0:04:08]} (25. h3 Kg6 26. Rc1) 25... Qd4 {[%emt 0:02:54][%csl LRb2,LRb4] Strongly threatening ...d2.} 26. Bd2 {[%emt 0:04:49]} Ng4 {[%emt 0:03:36][%csl Gg4][%cal Rd4f2] Black mates.} 27. Rg8+ {[%emt 0:00:46]} Kh7 {[%emt 0:00:12][%csl Gg4][%cal Rd4f2]} 28. Rh8+ {[%emt 0:01:05]} Bxh8 {[%emt 0:02:24]} 29. Rxh8+ {[%emt 0:00:06]} Qxh8 {[%emt 0:00:29] Weighted Error Value: White=0.79/Black=0.03 (flawless)} (29... Kxh8 $2 {loses.} 30. Bc3 Nxh2+ 31. Ke1 d2+ 32. Kd1 Qxc3 33. bxc3 $19) 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.24"]
[Round "7.9"]
[White "Van Nieuwkerk, Ton"]
[Black "Duchene, Rene"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2014"]
[BlackElo "2137"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,100,0,0,-26,-7,-4,-8,-19,-17,-28,-22,-68,-53,-97,-97,-110,-96,-135,-120,-120,-104,-133,-105,-100,-103,-88,-95,-144,-134,-139,-52,-52,-52,-74,-52,-52,-52,-52,-52,-58,-61,-163,-52,-212,-229,-314,-306,-305,-297,-297,-281,-266,-263,-386,-361,-354,-273,-311,-293,-387,-293,-388,-294,-375,-289,-393,-387,-459,-345,-372,-289,-793,-791,-783,-541,-736,-750,-824,-817,-771,-535,-29985,-29986]} 1. e4 {[%emt 0:00:03]} e6 {[%emt 0:00:10]} 2. d4 {[%emt 0:00:13]} d5 {[%emt 0:00:04]} 3. e5 {[%emt 0:00:03]} c5 {[%emt 0:00:13]} 4. c3 {[%emt 0:00:14]} Qb6 {[%emt 0:00:10]} 5. Nf3 {[%emt 0:00:47]} Nc6 {[%emt 0:00:07]} 6. a3 {[%emt 0:00:46]} Nh6 {[%emt 0:00:37][%cal Bg8h6,Bh6f5,Bf5e7,Be7g6][%mdl 32]} 7. b4 {[%emt 0:03:46]} cxd4 {[%emt 0:00:08]} 8. cxd4 {[%emt 0:00:06]} Nf5 {[%emt 0:00:17]} 9. Bb2 {[%emt 0:00:13] 9.Be3 might become the main line.} Bd7 {[%emt 0:00:40]} 10. g4 {[%emt 0:01:39]} Nfe7 {[%emt 0:01:13]} 11. Bd3 {[%emt 0:02:57] C02: French: Advance Variation.} Ng6 {[%emt 0:01:15]} 12. Qd2 {[%emt 0:02:33] [#]} Qd8 $146 {[%emt 0:21:16]} ({Predecessor:} 12... Rc8 13. Nc3 Nxd4 14. Nxd4 Qxd4 15. Bxg6 Qxd2+ 16. Kxd2 hxg6 17. f4 Rh3 18. Rac1 a5 {0-1 (35) Zaichenko,D (2104)-Schmidt,T (2272) Chess.com INT 2021}) 13. h4 {[%emt 0:05:11] The position is equal.} h5 $1 {[%emt 0:02:27]} 14. Bxg6 {[%emt 0:05:10]} fxg6 {[%emt 0:00:05]} 15. Qd3 {[%emt 0:00:23]} (15. Qf4 $11) 15... Ne7 $15 {[%emt 0:00:43]} 16. g5 {[%emt 0:10:32]} Nf5 {[%emt 0:00:26]} 17. Nc3 {[%emt 0:00:59]} Be7 {[%emt 0:06:35]} 18. O-O {[%emt 0:16:38]} O-O {[%emt 0:01:41]} 19. Rfc1 {[%emt 0:02:35]} Qb6 {[%emt 0:04:06]} 20. Kg2 {[%emt 0:00:54]} Rfc8 {[%emt 0:00:34]} 21. Ne2 {[%emt 0:02:31]} a5 {[%emt 0:04:20]} 22. Rxc8+ {[%emt 0:05:01]} Rxc8 {[%emt 0:00:30]} 23. Nf4 {[%emt 0:02:04]} ({White should play} 23. Ng3) 23... Kf7 $17 {[%emt 0:05:46]} (23... axb4 24. axb4 Bb5 25. Qb3 $17) 24. Bc3 {[%emt 0:00:12]} a4 {[%emt 0:09:25]} ({Not} 24... axb4 25. axb4 Bb5 26. Qd2 $15) ({Black should try} 24... Qa6 $17 {...Qxd3 is the strong threat.} 25. Qd2 Qc4) 25. Bb2 {[%emt 0:07:13]} Bb5 {[%emt 0:01:40] Active counter play!} 26. Qd2 {[%emt 0:04:18]} Rc4 {[%emt 0:01:51]} 27. Rc1 {[%emt 0:03:21]} Qc6 {[%emt 0:02:05]} 28. Rc3 {[%emt 0:04:26]} Bd8 {[%emt 0:04:09]} 29. Ba1 {[%emt 0:04:02]} Bb6 {[%emt 0:00:21][%cal Rb6d4]} 30. Bb2 {[%emt 0:01:22]} (30. Kh2 $15) 30... Ba6 {[%emt 0:02:21]} (30... Bxd4 $19 31. Nxd4 Rxd4 32. Qxd4 Nxd4 33. Rxc6 Nxc6) 31. Rc1 {[%emt 0:08:29] This move loses the game for White.} (31. Rxc4 $15 Qxc4 32. Qd1) 31... Rxc1 $19 {[%emt 0:06:25]} 32. Bxc1 {[%emt 0:00:18]} Qc4 {[%emt 0:00:16][%cal Rb6d4]} 33. Bb2 {[%emt 0:00:19] [#]} Qf1+ {[%emt 0:04:58]} 34. Kh2 {[%emt 0:00:11]} Bc4 {[%emt 0:01:00][%cal Ba6c4,Bc4b3,Bb3d1][%mdl 32]} 35. Bc3 {[%emt 0:02:46]} Bb3 {[%emt 0:01:15]} 36. Nh3 {[%emt 0:03:02]} (36. Ne1 $142) 36... Bd1 {[%emt 0:02:15] Chess con chili.} 37. Nhg1 {[%emt 0:00:12]} Kg8 {[%emt 0:02:14]} 38. Bb2 {[%emt 0:01:14]} Bb3 {[%emt 0:03:43]} 39. Bc3 {[%emt 0:00:48]} Bc4 {[%emt 0:00:22] Strongly threatening ...Qb1.} 40. Bb2 {[%emt 0:01:43]} Kf8 {[%emt 0:03:40]} 41. Bc3 {[%emt 0:00:00]} Kf7 {[%emt 0:00:00] White must now prevent ...Qb1.} 42. Bb2 {[%emt 0:00:00]} Qb1 {[%emt 0:00:00] Hoping for ...Qe4.} 43. Nh3 {[%emt 0:00:00]} Bd3 {[%emt 0:00:00]} 44. Nhg1 {[%emt 0:00:00]} Be4 {[%emt 0:00:00]} 45. Kh3 $2 {[%emt 0:00:00] [#]} (45. Ne1 Nxh4 46. Kh3) 45... Bxf3 {[%emt 0:00:00]} 46. Nxf3 {[%emt 0:00:00]} Qh1+ {[%emt 0:00:00]} 47. Nh2 {[%emt 0:00:00]} Qe4 {[%emt 0:00:00][%csl LRd4,LRh4]} 48. f4 Bxd4 {[%emt 0:00:00]} 49. Bxd4 {[%emt 0:00:00]} Qxd4 {[%emt 0:00:00]} 50. Qc1 {[%emt 0:00:00]} Qf2 {[%emt 0:00:00] Weighted Error Value: White=0.67/Black=0.34} 0-1

[Event "10th Amsterdam Science Park 2022"]
[Site "Amsterdam"]
[Date "2022.07.24"]
[Round "7.10"]
[White "Tan, Kevin"]
[Black "Golbach, Floris"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2209"]
[BlackElo "2012"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2022.07.18"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,54,-75,-57,-59,-18,-18,-24,-55,-23,-65,-7,-42,-27,-101,-100,-130,-106,-119,-76,-67,-63,-139,-103,-197,-109,-109,-105,-71,-307,-634,-629,-635,-635,-620,-620,-626,-621,-604,-572,-522,-494,-832,-819,-29996,-1428,-1332,-1283]} 1. Nf3 {[%emt 0:00:10]} c5 {[%emt 0:00:40]} 2. Nc3 {[%emt 0:14:04]} Nc6 {[%emt 0:01:08]} 3. b3 {[%emt 0:05:57]} d5 {[%emt 0:07:37]} 4. Bb2 {[%emt 0:02:12]} Nf6 {[%emt 0:01:24] [#]} 5. g3 $146 {[%emt 0:01:18]} ({Predecessor:} 5. d4 cxd4 6. Nxd4 e5 7. Nxc6 bxc6 8. e3 Bb4 9. a3 Ba5 10. b4 Bc7 11. Ne2 {1-0 (65) Gerold,R (1479)-Ortner,J (1776) Burg Ortenberg 2018}) 5... Bg4 {[%emt 0:01:31][%cal Bc8g4,Bg4h5,Bh5g6][%mdl 32]} 6. Bg2 {[%emt 0:01:17] A00: Irregular Openings.} e6 {[%emt 0:00:17]} 7. h3 {[%emt 0:08:23]} Bh5 {[%emt 0:01:38]} 8. d3 {[%emt 0:06:20] Black has an edge.} Be7 {[%emt 0:11:52]} 9. Qd2 {[%emt 0:03:01]} a6 {[%emt 0:05:02]} ({Better is} 9... d4 $15 10. Nb1 O-O) 10. g4 {[%emt 0:05:16]} Bg6 {[%emt 0:00:16]} 11. g5 {[%emt 0:01:02] [#]} (11. Nh4 $11) 11... Nh5 $1 $17 {[%emt 0:04:22]} 12. h4 {[%emt 0:06:47]} Qc7 {[%emt 0:01:49]} 13. e3 {[%emt 0:03:01] Against Nf4} O-O-O {[%emt 0:08:09]} 14. O-O-O {[%emt 0:07:17]} Kb8 {[%emt 0:01:26]} 15. Na4 {[%emt 0:05:23]} (15. Kb1 $15) 15... f6 {[%emt 0:04:49]} 16. d4 {[%emt 0:05:23]} (16. Ba3 $17) 16... Nb4 {[%emt 0:07:33]} (16... cxd4 $19 17. Nxd4 Nxd4 18. Bxd4 Rc8) 17. Ba3 {[%emt 0:06:47]} Nxc2 {[%emt 0:10:18] Black is more active.} (17... Bxc2 $2 18. Bxb4 Bxd1 19. Ba5 $18) 18. Bxc5 {[%emt 0:01:01]} b6 $2 {[%emt 0:06:03] This move loses the game for White.} (18... e5 $17) 19. Bxb6 $2 {[%emt 0:02:33]} (19. gxf6 gxf6 20. Bxe7 Qxe7 21. Rdg1) 19... Ba3+ $19 {[%emt 0:00:56]} 20. Kb1 {[%emt 0:00:33]} Nxe3+ {[%emt 0:00:51][%mdl 64] Discovered Attack, Double Attack} 21. Ka1 {[%emt 0:00:09]} Nc2+ {[%emt 0:00:06]} 22. Kb1 {[%emt 0:00:04]} Nxd4+ {[%emt 0:00:05]} 23. Ka1 {[%emt 0:00:09]} Nc2+ {[%emt 0:00:23]} 24. Kb1 {[%emt 0:00:05]} Qc6 {[%emt 0:02:12] And now ...Bb4 would win.} 25. Qa5 {[%emt 0:03:01]} (25. Bf1 $142 Bb4 26. Qc1) 25... Rc8 {[%emt 0:01:24] ( -> ...Ne1+)} 26. Nd2 {[%emt 0:01:57]} Nb4+ {[%emt 0:00:54]} (26... Ne1+ $142 27. Ka1 {[#]} Qc1+ $3 {[%mdl 512]} 28. Rxc1 Rxc1+ 29. Nb1 Rxb1#) 27. Ka1 {[%emt 0:00:36]} Qc2 {[%emt 0:00:12] Weighted Error Value: White=0.89/Black=0.41} 0-1

