[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "1.1"]
[White "De Ruiter, Danny"]
[Black "Dgebuadze, Alexandre"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2265"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,45,64,-4,8,7,4,-45,-54,-54,-20,-14,-18,-19,0,0,0,-34,-45,-70,-54,-75,-89,-110,-97,-160,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. Nf3 d5 3. c4 c6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Be2 (7. Bd2 $14) 7... Nf6 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} 8. O-O O-O 9. Ne5 Bb7 {Black is slightly better.} 10. Bd2 Nbd7 {[#]} 11. Nxb5 $146 {[%cal Bc3b5,Bb5d6,Bd6b7][%mdl 32]} ({Predecessor:} 11. f4 a6 12. Bf3 Qb6 13. Nxd7 Nxd7 14. b3 c5 15. Bxb7 Qxb7 16. axb5 axb5 17. bxc4 Rxa1 18. Qxa1 cxd4 19. exd4 bxc4 {0-1 (36) Opsahl,H-Gudmundsson,J Buenos Aires 1939}) 11... Bxd2 12. Nd6 {[%mdl 64] [#] Double Attack} c3 (12... Qb8 {is more complex.} 13. Nxb7 Bb4 14. Nxd7 Nxd7 15. Nc5 Bxc5 16. dxc5 Nxc5 17. Bxc4 Qxb2 18. Rb1 Qc3) 13. Nxb7 Qc7 14. bxc3 (14. Nxd7 {with more complications.} Nxd7 15. Rb1 Rab8 16. bxc3 Bxe3 17. fxe3 Rxb7 18. Rxb7 Qxb7 19. Qd3) 14... Nxe5 15. dxe5 Bxc3 {[%mdl 64] [#] Double Attack} 16. exf6 Bxa1 17. Qxa1 Qxb7 18. Qe5 (18. fxg7 $142 Rfd8 19. Qf6) 18... gxf6 $2 (18... g6 $17 {Hoping for ...Rab8.} 19. Bf3 Rac8) 19. Qxf6 $11 {The position is equal.} Rae8 20. Qg5+ Kh8 21. Qf6+ Kg8 22. Qg5+ Kh8 23. Qf6+ {Accuracy: White = 62%, Black = 83%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "1.2"]
[White "Huynh, Laurent"]
[Black "Grochal, Joey"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2273"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,60,41,30,52,39,56,29,43,18,53,11,13,0,17,-3,49,-39,-47,-45,-8,-12,0,-20,-7,-59,-50,-30,85,93,91,97,50,60,49,48,41,-94,-14,-158,-145,-281,-277,-518,-490,-581,-573,-1427,-1410,-1373,-1239,-29988,-29989]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 Nxd4 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} 7. Qxd4 b6 8. Bd2 Bb7 {White has an edge.} 9. Bd3 (9. Nb5 {with more complications.} Qc6 10. Bb4 Nf6 11. Bxf8 Kxf8 12. e5) 9... a6 {[#]} 10. Qe3 $146 (10. b4 {is interesting.} Ne7 11. a3 Nc6 12. Qf2 Be7 13. O-O) ({Predecessor:} 10. Qf2 b5 11. e5 f5 12. O-O-O Bc5 13. Be3 Rc8 14. Bxc5 Qxc5 {0-1 (37) Justesen,A (2209)-Van Damme,L (2265) ICCF email 2009}) 10... b5 11. a3 Nf6 12. Qe2 d5 (12... Be7 $11) 13. O-O-O (13. exd5 $14 Nxd5 14. f5) 13... d4 $15 14. Na2 Nd7 15. Kb1 Nc5 16. Rhf1 Be7 17. Nc1 ({White should try} 17. Bb4 $11) 17... O-O 18. Nb3 Qd7 (18... Nxd3 $11 {keeps the balance.} 19. cxd3 a5) 19. Nxc5 $16 Bxc5 20. g4 Bc6 21. g5 a5 22. f5 b4 $1 {[%cal Rb4a3,Bb5b4,Bb4b3][%mdl 32]} 23. f6 (23. g6 $14 {keeps the upper hand.} hxg6 24. fxg6 fxg6 25. Rxf8+ Rxf8 26. axb4 axb4 27. Bc4) 23... g6 (23... bxa3 $17 {Threatens to win with ...Rfb8.} 24. b3 g6) 24. Qe1 (24. a4 $11) 24... Rfb8 $17 25. a4 (25. Ka2 $17) 25... Bxa4 $19 26. Rf3 $2 {[#]} (26. Bf4 Rc8 27. Bc4) 26... b3 27. c3 Bb5 {Hoping for ...Bxd3+.} 28. Bf4 Bxd3+ 29. Rfxd3 {[#]} Qa4 $1 {[%mdl 512] ( -> ...Qa2+)} 30. Qh4 dxc3 {Accuracy: White = 29%, Black = 79%.} 0-1

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "1.3"]
[White "De Rover, Yong Hoon"]
[Black "Defromont, Benjamin"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2370"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,65,22,22,19,16,19,28,25,15,18,19,21,19,22,0,5,0,0,0,2,15,13,0,32,30,0,-13,65,56,58,56,32,39,215,190,785,550,550,549,548,548,686,683,661,643,995,990,2523,2000,4818,4818,4790,2183,5293,1756]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 b6 {E05: Open Catalan: 5 Nf3 Be7.} 8. Ne5 Qxd4 9. Bxa8 {[#] And now Bf4 would win.} Qxe5 {White has an edge.} 10. Bf3 Nd5 11. Qxc4 Ba6 12. Qa4 c5 13. Rd1 Bf6 {[#]} ({Much worse is} 13... Bxe2 $6 14. Re1 $16) 14. Nc3 $146 ({Predecessor:} 14. Na3 Bxe2 15. Bxe2 Qxe2 16. Qc2 Qh5 17. Bd2 Nc6 18. Bc3 Bxc3 19. bxc3 Ne5 20. c4 {0-1 (62) Erigaisi,A (2517)-Kravtsiv,M (2654) Abu Dhabi 2018}) 14... Nxc3 15. bxc3 {Black must now prevent Bf4.} Bxe2 16. Bxe2 Qxe2 17. Bd2 Qa6 (17... h5 {is interesting.} 18. h4 b5 19. Qxa7 Rd8 20. Qxc5 Rd3) 18. Qxa6 Nxa6 19. Rab1 Nc7 (19... c4 $11) 20. c4 Bd4 21. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Rb8 22. a5 b5 $2 {Now Black is done in.} (22... e5 $14) 23. cxb5 Rxb5 $2 (23... Nd5 24. Bf4 Nxf4 25. gxf4 Kf8) 24. Bf4 {White is clearly winning.} Rxb1 25. Rxb1 $18 {[%mdl 4096] Endgame Intending Rb8+ and mate. KRB-KBN} Na6 26. Rb7 g5 27. Rxa7 Nb4 28. Bxg5 c4 29. Rc7 c3 30. Bh6 {[%cal Rc7c8]} f5 31. Rc4 Nc2 32. a6 e5 {[#]} 33. Rxd4 $1 {[%mdl 576] Promotion. Accuracy: White = 97%, Black = 45%.} 1-0

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "1.4"]
[White "Beukema, Jasper"]
[Black "Hautot, Stephane"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2329"]
[BlackElo "2322"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,34,39,52,48,34,38,58,-41,-46,-58,0,0,0,0,0,0,0,0,3,6,6,4,4,5,4,5,9]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 Nc6 5. h3 g6 6. Be3 {B07: Pirc Defence: Miscellaneous Systems.} Bg7 7. Qd2 O-O 8. g4 {[#]} (8. d5 $14 Ne7 9. g4) 8... d5 $146 ({Predecessor:} 8... a6 9. Bg2 b5 10. a3 exd4 11. Nxd4 Ne5 12. b3 Bb7 13. O-O Re8 14. Bg5 Qc8 {½-½ (84) Knuedel,T (2044)-Koellner,R (2290) Willingen 2019}) 9. O-O-O exd4 ({Of course not} 9... dxe4 10. d5 $11) (9... Nxe4 $15 10. Nxe4 dxe4) 10. Nxd4 $11 {The position is equal.} Nxd4 11. Bxd4 Nxe4 12. Nxe4 dxe4 13. Bc4 Qxd4 14. Qxd4 Bxd4 15. Rxd4 Re8 16. Re1 Kf8 17. Rexe4 Rxe4 {Accuracy: White = 78%, Black = 89%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "1.5"]
[White "Risting, Eivind Olav"]
[Black "Blom, Vincent"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2289"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,57,40,21,27,22,21,22,24,22,31,6,30,0,39,0,0,0,1,0,20,23,20,20,24,16,31,4,7,7,0,0,3,0,0,1,19,0,0,0,34,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Ne4 7. O-O Nxd2 8. Nbxd2 Bxd2 9. Qxd2 d6 10. Qc3 Nd7 {E11: Bogo-Indian.} 11. e4 e5 12. Rfe1 a5 {[#] The position is equal.} 13. b3 $146 ({Predecessor:} 13. Rad1 Re8 14. Bh3 b6 15. b3 Nf8 16. Bxc8 Raxc8 17. a3 c5 18. d5 Qd7 19. Rb1 {1-0 (38) Cvitan,O (2575)-Lovric,B (2275) Pula 1993}) 13... c5 14. dxe5 Nxe5 15. Nd2 Nc6 16. f4 a4 17. e5 Nd4 18. Nf3 axb3 {[#] White must now prevent ...Nc2.} 19. Nxd4 cxd4 20. Qxb3 dxe5 21. Rxe5 Qa3 22. Rd1 (22. Qxa3 {feels hotter.} Rxa3 23. Rd5 Rd3 24. c5 g6 25. a4) 22... Qxa2 23. Qxa2 Rxa2 24. Rxd4 Ra4 25. f5 Ra1+ 26. Kf2 Ra2+ 27. Kg1 Ra1+ 28. Kf2 Ra2+ 29. Kg1 {Not much happened in this game. Accuracy: White = 64%, Black = 93%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "2.1"]
[White "Dgebuadze, Alexandre"]
[Black "Blom, Vincent"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2485"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,41,4,13,13,34,26,30,18,18,0,21,0,23,9,20,0,0,-21,-10,-11,-24,-24,9,-7,-7,0,0,-74,-45,-87,-82,-91]} 1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. d4 e6 5. a3 d5 6. cxd5 exd5 7. Bf4 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} a6 8. e3 Bd6 9. Bxd6 {White has an edge.} Qxd6 10. Ne5 {[#]} Nbd7 $146 ({Predecessor:} 10... O-O 11. Bd3 c5 12. O-O c4 13. Bc2 b5 14. f4 Ne4 15. Nxe4 dxe4 16. f5 f6 {1-0 (38) Zilberman,N (2400)-Schneider,A Frunze 1983}) 11. f4 O-O 12. Bd3 c5 13. O-O b5 14. Rf3 cxd4 15. exd4 Ne4 16. Rh3 Nxe5 17. fxe5 Qb6 18. Bxe4 $1 dxe4 19. Kh1 {[#]} (19. Qd2 $11 {keeps the balance.}) 19... Rad8 $1 $17 20. d5 {[#]} Rfe8 $1 {[%cal Re8e5]} 21. Qh5 {Accuracy: White = 83%, Black = 92%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "2.2"]
[White "Hautot, Stephane"]
[Black "Risting, Eivind Olav"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2322"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,59,1,15,3,19,18,25,15,18,20,20,22,20,12,25,14,39,6,14,0,0,0,0,0,0,0,0,0,24,18,28,27,60,60,55,56,61,29,38,22,31,28,37,0]} 1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e6 6. d3 d6 7. Nge2 Nge7 8. O-O O-O 9. Rb1 {Nowadays more popular than 9.Be3.} Nd4 10. b4 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} cxb4 11. Rxb4 {[#]} Qa5 $146 ({Predecessor:} 11... Nxe2+ 12. Nxe2 b6 13. Bb2 e5 14. f4 Bg4 15. h3 Bxe2 16. Qxe2 Nc6 17. Rb5 a6 {1-0 (94) Cabe,A (2224)-Pitica,S (2135) Cagliari 2018}) 12. Ra4 {White has an edge.} Nxe2+ 13. Nxe2 Qc7 14. Be3 Bd7 15. Rb4 (15. Rxa7 $2 Rxa7 16. Bxa7 b6 $19) 15... Rfb8 16. Qd2 b5 17. cxb5 Rxb5 18. Rc1 Qa5 19. Rcb1 {[#] Strongly threatening Rxb5.} Rxb4 20. Rxb4 {Threatens to win with Rb8+!} Qa6 21. d4 Nc6 22. Rb3 Rb8 23. Rxb8+ Nxb8 24. d5 Bb5 25. dxe6 fxe6 ({Don't go for} 25... Bxe2 $2 26. e7 $18) 26. Nd4 Bc4 27. Qb4 (27. Bh3 $5 {[%cal Rh3e6]} Bxd4 28. Qxd4 $14 (28. Bxd4 Nc6 $11)) 27... Nd7 28. a4 Bf8 29. Bh3 Nc5 30. Nb5 {Accuracy: White = 80%, Black = 95%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "2.3"]
[White "Defromont, Benjamin"]
[Black "Beukema, Jasper"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2263"]
[BlackElo "2329"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,8,44,43,68,68,100,21,69,56,71,65,70,70,74,64,97,65,68,35,41,40,47,50,45,52,29,31,86,0,0,0,-14,-73,-81,-644,-652,-633,-633,-616,-604,-688,-674,-1091,-1091,-1084,-1072,-5193,-530,-530,-530,-525,-529,-29989,-29989,-29989,-29990]} 1. d4 f5 2. Nf3 g6 3. h4 Nf6 4. Nc3 Bg7 5. Bf4 O-O 6. Qd2 {[#] A80: Dutch Defence: Unusual White second moves.} e6 $146 ({Predecessor:} 6... d6 7. O-O-O Qe8 8. Re1 Ne4 9. Nxe4 fxe4 10. Ng5 e5 11. dxe5 Bxe5 12. Qd5+ Kg7 13. Bxe5+ Qxe5 14. Qxe5+ dxe5 {0-1 (41) Nurmi,R (1651)-Siegfried,W ICCF email 2013}) 7. O-O-O d6 {[#]} 8. e3 (8. Bg5 $1 $16) 8... Qe7 9. Bd3 Nbd7 10. e4 fxe4 11. Nxe4 Nxe4 12. Bxe4 c5 13. c3 {And now dxc5 would win.} cxd4 14. cxd4 Nf6 15. Bc2 b6 16. Bg5 Bb7 17. h5 Rac8 {Strongly threatening ...Be4.} 18. Kb1 Qe8 ({Black should try} 18... gxh5 $14 19. Rc1 Qf7) 19. hxg6 (19. Bxf6 $16 Rxf6 20. hxg6) 19... Rxc2 $1 $11 20. gxh7+ (20. Kxc2 $2 {perishes.} Be4+ 21. Kc1 Qxg6 $19) 20... Kh8 $1 21. Kxc2 (21. Qxc2 $11 {keeps the balance.} Be4 22. Rd3) 21... Be4+ $17 {[%mdl 64] Double Attack} 22. Kb3 $2 {[%mdl 8192] This move loses the game for White.} (22. Kc1 $17 Qg6 23. Qf4) 22... Qb5+ $19 23. Qb4 {[#]} Bc2+ $1 {[%mdl 576] Deflection} 24. Kxc2 Qxb4 25. Nh4 {[%cal Rh4g6]} Kxh7 26. Nf5+ Kg6 27. Nxg7 Ne4 28. Nxe6 Rc8+ (28... Rxf2+ $142 29. Bd2 Nxd2) 29. Kb1 {intending Rh6+.} Nc3+ 30. Ka1 Nxd1 {[%csl Gd1][%cal Rb4b2]} 31. Rh6+ {[#]} Kf7 $1 {[%csl Gd1][%cal Rb4b2]} 32. Rf6+ Ke8 {Accuracy: White = 50%, Black = 67%.} 0-1

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "2.4"]
[White "Grochal, Joey"]
[Black "De Rover, Yong Hoon"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "2303"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,69,0,0,4,0,4,11,2,-4,21,8,6,-22,-24,-58,-64,-39,-30,-32,101,108,107,59,52,54,100,92,149,141,175,189,210,207,240,235,417,402,357,306,333,159,153,143,215,224,371,364,360,252,810,815,2471,2525]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Nbd7 9. h3 O-O 10. Nh4 Nb6 {D18: Slav Defence: 5 a4 Bf5 6 e3.} 11. Bb3 Nbd5 12. Nxf5 exf5 {The position is equal.} 13. Bd2 Qa5 {[%cal Rd5c3]} 14. Rc1 {[#]} Ne7 $146 ({Predecessor:} 14... Nb6 15. Nb1 Ne4 16. Bxb4 Qxb4 17. Nc3 Rad8 18. Nxe4 fxe4 19. Rc5 g6 20. Qc2 Kg7 {1-0 (59) Morozevich,A (2659)-Nesterov,A (2482) Khanty-Mansiysk 2019}) 15. f3 Rad8 16. Nb1 Bxd2 17. Nxd2 Ned5 18. Re1 Nxe3 (18... g6 $15 {stays ahead.}) 19. Rxe3 $16 {aiming for Re5.} Rxd4 20. Rc2 Rfd8 $1 {[%cal Rd4d2]} 21. Rec3 Qe5 {...Qf4 is the strong threat.} 22. Qc1 Nh5 {[#]} ({Black should play} 22... Nd5 23. Bxd5 Qxd5) 23. Nf1 $1 Nf4 24. Re3 Qd6 25. Qe1 {Hoping for Re8+.} Kf8 26. Qa5 Qg6 $2 (26... g6 27. Qxa7 Rd7) 27. Qc5+ $18 R4d6 28. Qe5 {White wants to mate with Qe7+.} Qg5 {and the idea ...Nxh3+ leaves Black hopeful.} 29. Kh2 (29. h4 $18 {is the precise move to win.} Qxh4 30. g3) 29... Nd3 $16 30. Qc3 f4 (30... Qf4+ $16 31. Kh1 Qd4) 31. Re4 $18 a5 (31... b6 {might work better.} 32. Bc4 Nc5) 32. Rce2 R6d7 33. Bc2 {Strongly threatening Bxd3.} Rd5 $2 (33... Qc5 34. Qxc5+ Nxc5) 34. Bxd3 Rxd3 {[#]} 35. Qxd3 $1 {[%mdl 512] Accuracy: White = 70%, Black = 40%.} 1-0

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "2.5"]
[White "De Ruiter, Danny"]
[Black "Huynh, Laurent"]
[Result "1/2-1/2"]
[ECO "A70"]
[WhiteElo "2265"]
[BlackElo "2273"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,42,45,31,81,85,95,48,47,55,77,78,78,0,0,0,31,-50,-31,-17,-20,-20,23]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bf4 Bg7 8. Qa4+ Bd7 9. Qb3 Qc7 10. e4 O-O 11. Nd2 Nh5 12. Be3 a6 {A70: Modern Benoni: 6 e4 g6 7 Nf3.} 13. a4 f5 {And now ...f4 would win.} 14. exf5 Bxf5 {White is slightly better.} 15. Be2 {g4 is the strong threat.} Nf6 {[#]} 16. h3 $1 Bc8 {[#]} 17. Nde4 $146 (17. O-O $16) ({Predecessor:} 17. Nc4 Nbd7 18. Bf4 Ne8 19. Bg3 Ndf6 20. O-O Bf5 21. Bf3 Rd8 22. Rad1 h6 23. Ne3 {½-½ (105) Deac,B (2276)-Zhou,C (1958) Al Ain 2013}) 17... Nxe4 $11 18. Nxe4 Nd7 19. Bg4 (19. O-O $14) 19... Ne5 20. Bxc8 Raxc8 21. O-O h6 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.23"]
[Round "3.1"]
[White "Huynh, Laurent"]
[Black "Dgebuadze, Alexandre"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "2273"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,47,63,57,52,22,45,28,20,0,-5,-3,20,-85,-90,-77,-80,-75,-80,-89,-71,-57,-62,-60,-40,-89,-93,-91,-94,-95,-112,-107,-99,-119,-106,-101,-111,-168,-166,-170,-164,-163,-162,-163,-153,-183,-170,-216,-224,-245,-268,-281,-250,-247,-211,-385,-400,-379,-374,-374,-376,-413,-399,-491,-471,-645,-652,-864,-891,-820,-802,-1118,-1110,-1319,-1217,-2118,-1943]} 1. e4 e6 2. d4 d5 3. Nd2 Ne7 4. Ngf3 Nd7 5. c3 g6 6. Bd3 {C03: French Tarrasch: Unusual Black 3rd moves.} Bg7 7. O-O O-O 8. Re1 {White is slightly better.} c5 9. Nf1 cxd4 10. Nxd4 {[#]} Nc5 $146 ({Predecessor:} 10... dxe4 11. Bxe4 e5 12. Nb5 Nc5 13. Bc2 Qb6 14. a4 Rd8 15. Qe2 a6 16. Na3 Be6 {0-1 (31) Guevara Sanchez,E (2186)-Davila,C (2348) Guatemala City 2001}) 11. Nb3 (11. e5 $1 $11 {keeps the balance.}) 11... Nxe4 $17 12. Bxe4 dxe4 13. Qxd8 Rxd8 14. Rxe4 Nc6 15. Re1 b6 16. Be3 Ba6 17. Rad1 Ne5 {Black continues to play with concentration.} 18. Rxd8+ Rxd8 19. Nfd2 Nd3 20. Rb1 f5 $36 {[%mdl 2048] [#] aiming for ...f4. Black is really pushing.} 21. f3 Kf7 22. g3 Rd5 23. Bd4 (23. a4 $17 {was worth a try.}) 23... Bh6 $19 {Hoping for ...e5.} 24. Nf1 e5 25. Be3 Bxe3+ 26. Nxe3 Rd7 27. Nf1 Bc4 28. Rd1 Ke6 29. Rd2 Ne1 30. Rf2 a5 31. Ne3 Ba6 32. a4 $2 (32. f4 {keeps fighting.}) 32... Rd3 33. Nc2 Nxc2 {[%mdl 64] [#] Overworked Piece} 34. Rxc2 Rxf3 {[%mdl 4096] Endgame KRB-KRN} 35. Kg2 Rd3 36. Nd2 g5 {Black is clearly winning.} 37. Nf1 f4 38. Kf2 e4 39. c4 Ke5 40. gxf4+ gxf4 41. Ke1 e3 42. h4 h5 {Accuracy: White = 43%, Black = 96%.} 0-1

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.23"]
[Round "3.2"]
[White "De Rover, Yong Hoon"]
[Black "De Ruiter, Danny"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2370"]
[BlackElo "2265"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,74,21,22,16,23,0,6,-4,8,11,16,10,11,8,8,11,16,0,30,31,40,33,35,14,14,14,10,10,127,133,150,150,156,150,144,150,150,141,160,146,146,133,125,120,150,126,166,132,128,128,135,125,122,128,237,231,327,321,321,262,341,267,404,379,29996,29997,29999]} 1. d4 d5 2. Nf3 Nf6 3. Bg5 Ne4 4. Bf4 c6 5. Nbd2 Bf5 6. e3 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} e6 7. Be2 (7. Nxe4 {feels hotter.} Bxe4 8. Bd3 Bxd3 9. Qxd3 Nd7 10. O-O) 7... Be7 8. O-O {The position is equal.} Nd7 9. Nxe4 Bxe4 10. Nd2 Bg6 11. c4 O-O 12. Qb3 Qb6 13. Rfc1 {[#]} Bf6 $146 ({Predecessor:} 13... Rfe8 14. h3 h6 15. Qxb6 axb6 16. a3 Bf6 17. Nf3 Be4 18. Bd6 dxc4 19. Rxc4 b5 {½-½ (38) Jacquin,R (2477)-Toro Solis de Ovando,G (2611) ICCF email 2005}) 14. cxd5 exd5 15. Bg4 Rfd8 16. a4 Be7 17. a5 $36 {[%mdl 2048] White has good play.} Qxb3 18. Nxb3 Nf6 {[#]} (18... a6 $11 {keeps the balance.}) 19. a6 $1 $16 {[%cal Ra6b7]} bxa6 20. Be2 Bd6 21. Bxd6 ({Of course not} 21. Rxa6 $6 Bxf4 22. exf4 Rdb8 $14) 21... Rxd6 22. Rxa6 Rb8 23. Rxa7 h6 24. Ra3 Rb6 25. f3 Rd8 26. Rc3 Ne8 27. Kf2 Nd6 28. Ra6 Rdb8 {[#]} 29. Rxb6 $1 ({But not} 29. Rxc6 $6 Rxb3 30. Rxd6 Rxb2 $15) 29... Rxb6 30. Ke1 Kf8 31. Kd1 Nc4 (31... Ke7 $16 {is a better defense.} 32. Kc1 Nb7) 32. Kc1 $18 ({Don't do} 32. Bxc4 $6 dxc4 33. Nd2 Rxb2 $16) 32... Rb4 (32... Nd6 $142 33. Na5 Nf5 34. Nxc6 f6) 33. Bxc4 $1 dxc4 34. Nc5 Ke7 35. Ra3 h5 (35... Bd3 {was called for.} 36. Ra7+ Kf8 37. Nd7+ Kg8) 36. e4 Kd6 $2 (36... Rb6 $18 37. Ra7+ Ke8) 37. Ra7 {[%csl Gc5][%cal Ra7d7]} f5 38. Rd7# {Accuracy: White = 96%, Black = 47%.} 1-0

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.23"]
[Round "3.3"]
[White "Beukema, Jasper"]
[Black "Grochal, Joey"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2329"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,91,38,0,0,0,0,0,0,-8,64,-15,-16,-50,0,-22,0,0,47,50,43,47,46,27,83,-31,96,91,176,177,475,197,191,182,372,366,365,366,369,363,383,377,381,379,393,397,386,396,745,741,1202,1200,1157,1136,5406,934,949,974,947,925,29987,29988,29992,1635,29991,29992,29992,29993,29993,29994]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6,Be6c5][%mdl 32]} 7. Bd3 O-O 8. Nge2 Re8 9. O-O Nf8 10. Qc2 c6 11. f3 Nh5 12. Bxe7 Rxe7 13. e4 dxe4 $1 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 14. fxe4 Ne6 15. d5 Nc5 {The position is equal.} 16. Rad1 Bg4 (16... Qb6 $11 17. Kh1 Bg4) 17. Bc4 ({Better is} 17. h3 $14 Bd7 18. d6) 17... Qb6 $1 $11 {And now ...Nxe4+ would win.} 18. Kh1 Rf8 19. Rde1 {[#]} Re5 $146 ({Predecessor:} 19... Bxe2 20. Rxe2 Re5 21. Rf5 Rfe8 22. dxc6 bxc6 23. Bxf7+ {1-0 (23) Kovaljov,D-Guthrie,D (2140) Zagan 1997}) 20. Nd4 Ne6 21. dxe6 Qxd4 22. exf7+ Kh8 {( -> ...Ng3+!)} 23. Ne2 $1 {[%cal Re2d4]} Qc5 {[#]} (23... Bxe2 $11 24. Qxe2 Nf6) 24. Qd3 (24. Qc3 $1 $16) 24... Nf6 (24... Bxe2 $1 $15 {keeps the upper hand.} 25. Rxe2 b5) 25. Nf4 $16 {White stays focused until the end.} Qe7 (25... Nh5 $16 26. Qc3 a5) 26. Qg3 $36 {[%mdl 2048] Black must now prevent Nd3. White is really pushing.} Rxe4 $2 (26... b5) 27. Qh4 (27. Rxe4 $142 Qxe4 28. Bd3) 27... Bf5 {Threatens to win with ...g5!} 28. Rxe4 Qxe4 $2 (28... Bxe4 {is a better defense.} 29. Re1 Qd6) 29. Bd3 Qe5 {next ...Bxd3 is good for Black.} 30. Re1 Qc5 {[#]} 31. b4 $1 {[%mdl 512]} Qc3 (31... Qxb4 32. Bxf5) 32. Bxf5 {[%csl Gf5][%cal Rf4g6]} g5 33. Ne2 {[%cal Bf4e2,Be2g1,Bg1f3,Bf3e5][%mdl 32]} ({Not} 33. Ng6+ Kg7 $11) 33... Qd2 34. Qg3 Rxf7 35. Ng1 h6 $2 (35... Qf4 36. Qb3 Rf8) 36. Nf3 Qxb4 37. Ne5 Rg7 38. Ng6+ Kh7 39. Nf8+ (39. Ne7+ $142 Kh8 40. Qb8+ {[%mdl 64] Double Attack} Ng8 41. Re6 Qxe7 42. Rxh6+ Rh7 {[#]} 43. Qe5+ $1 {[%mdl 512]} Nf6 44. Rxh7+ Qxh7 45. Bxh7 {[%mdl 64] Pin}) 39... Kg8 40. Ne6 Re7 41. Rd1 Qa5 42. Qd6 Qa4 43. h3 (43. Rf1 $142 Qa3 44. Qxa3 Re8 45. Qxa7 Kf7 46. Qd4 Rg8 47. Bg4 Ke7 48. Qxf6+ {[%mdl 64] Double Attack} Kd7 49. Qf7+ Kd6 50. Rd1+ Ke5 51. Qf5#) 43... Ne8 {[#]} 44. Bh7+ $1 {[%mdl 512] White mates.} Kh8 (44... Rxh7 45. Qf8#) 45. Qe5+ Kxh7 46. Qf5+ {Accuracy: White = 63%, Black = 41%.} 1-0

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.23"]
[Round "3.4"]
[White "Risting, Eivind Olav"]
[Black "Defromont, Benjamin"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2289"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,52,33,38,24,21,45,44,41,39,42,37,31,41,42,24,52,54,83,56,78,47,36,31,42,35,68,0,127,0,19,0,113,0,0]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Qf5 d6 8. Nxf6+ Qxf6 9. Qxf6 gxf6 10. a3 Bc5 11. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Bb6 {A28: English Opening: Four Knights Variation.} 12. Bb2 a5 13. b5 Ne7 {White is slightly better.} 14. Be2 a4 15. O-O Ng6 {[#]} 16. Rac1 $146 ({Predecessor:} 16. d4 Be6 17. Rfd1 Kg7 18. Rac1 Rad8 19. Bd3 Bg4 20. Bc2 exd4 21. Bxd4 Bc5 22. h3 {½-½ (28) Beck,G (1882)-Garau,B (1966) ICCF email 2012}) 16... f5 17. d4 e4 18. Nd2 Ba5 19. Nb1 f4 20. Bd1 f3 21. gxf3 {Black must now prevent Kh1.} Bh3 22. fxe4 Kh8 {[#] Hoping for ...Rg8.} 23. Be2 ({Not} 23. Bxa4 $2 Ne5 $19) (23. Bf3 $1 $14) 23... Nh4 (23... Nf4 $1 $11 24. d5+ Re5 25. Bxe5+ dxe5) 24. Kh1 {Threatens to win with Rg1.} Bg2+ 25. Kg1 Bh3 {( -> ...Rg8+)} 26. Kh1 (26. d5+ $16 Re5 27. Bg4 (27. Bxe5+ $2 dxe5 28. Bg4 Bxg4 $17)) 26... Bg2+ {Accuracy: White = 67%, Black = 76%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.23"]
[Round "3.5"]
[White "Blom, Vincent"]
[Black "Hautot, Stephane"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2308"]
[BlackElo "2322"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,78,0,6,12,13,12,21,33,35,0,0,-72,-69,-53,-21,-29,-27,-34,-33,-66,-56,-54,-68,-149,-151,-144,-144,-224,-171,-171,-175,-252,-249,-243,-216,-208,-200,-212,-197,-211,-189,-199,-167,-329,-291,-294,-292,-296,-296,-280,-282,-293,-286,-300,-298,-303,-286,-340,-289,-698,-693]} 1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nf3 Bg7 5. O-O e5 6. Nc3 d6 7. a3 a5 8. Ne1 Be6 9. d3 Nge7 10. Nc2 d5 11. cxd5 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} Nxd5 12. Ne3 {[%cal Re3d5]} Nde7 13. Nc4 {The position is equal.} O-O 14. Qb3 Rb8 15. Qb5 {[#]} (15. Qb6 $1 $11 {remains equal.}) 15... Nd4 $1 $17 {[%cal Rd4b5]} 16. Qb6 $1 Nd5 17. Bxd5 Bxd5 18. Qxd8 Rfxd8 19. Nxa5 b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 20. Nc4 b5 $36 {[%mdl 2048] Black has good play.} 21. Nxd5 {White is now going downhill.} ({Better is} 21. Na5 $1 $15) 21... Nxe2+ ({Much less strong is} 21... Rxd5 22. e4 $15) (21... bxc4 22. dxc4 Nxe2+ 23. Kg2 $11) 22. Kg2 {Black must now prevent Ncb6.} Rxd5 23. Na5 (23. Re1 $17 {is a better defense.} Nxc1 24. Ne3 Rxd3 25. Raxc1) 23... Rxd3 24. Be3 Nd4 25. Rac1 (25. Rad1 $142 Rxd1 26. Rxd1) 25... c4 $19 26. Rfd1 {intending Rxd3.} e4 27. Bxd4 Rxd4 ({Weaker is} 27... Bxd4 28. Nc6 $11) 28. Nc6 Rxd1 29. Rxd1 {[%mdl 4096] Endgame KRB-KRN} Ra8 30. Rd2 Bf6 31. f3 $2 (31. Nb4) 31... exf3+ 32. Kxf3 c3 33. bxc3 Rxa3 34. Ke4 Rxc3 ({Don't play} 34... Bxc3 35. Rd8+ Kg7 36. Rd3 $19) 35. Kd5 h5 36. Ra2 Kg7 37. Re2 Rc1 38. Rf2 Rb1 {aiming for ...b4.} 39. Kc5 $2 {[#]} (39. Na5) 39... b4 $1 {Accuracy: White = 53%, Black = 95%.} 0-1

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "4.1"]
[White "Dgebuadze, Alexandre"]
[Black "Hautot, Stephane"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2485"]
[BlackElo "2322"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,45,21,26,23,14,28,0,0,0,2,0,3,7,25,10,6,14,22,20,29,36,24,16,15,21,29,-6]} 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 exd4 9. Nxd4 Ne5 10. Bf1 Re8 11. h3 Ng6 {[#] C50: Hungarian Defence and Giuoco Pianissimo.} 12. Bd2 $146 ({Predecessor:} 12. g3 Bf8 13. Bg2 Bd7 14. Be3 h6 15. f4 Qc7 16. Qd2 Rad8 17. Qf2 c5 18. Nb3 Bc6 19. Nd5 Bxd5 20. exd5 {½-½ (51) Bacrot,E (2686)-Markus,R (2632) Reykjavik 2015}) 12... h6 13. a5 Bd7 {The position is equal.} 14. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Bf8 15. b5 c5 16. Nf3 Be6 17. Be3 d5 18. exd5 Nxd5 19. Nxd5 Qxd5 20. Qxd5 Bxd5 21. Nd2 Nh4 22. Bf4 Nf5 23. c3 {Not much happened in this game. Accuracy: White = 81%, Black = 100%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "4.2"]
[White "Defromont, Benjamin"]
[Black "Blom, Vincent"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2263"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,18,62,58,55,52,61,48,57,-4,-9,-53,-56,-64,-60,-47,-27,-25,-4,-19,-7,-15,-11,0,0,-16,-5,-16,7,-52,-59,-62,-48,-64,0,0,0,0,0,0,0,-20,0,0,0,-70,-67,-383,-383,-383,-383,-383,-376,-354,-351,-480,-477,-457,-481,-479,-461,-472,-479,-475,-475,-470,-469,-462,-427,-438,-425,-431,-410,-497,-487,-494,-464,-598,-592,-658,-634]} 1. e4 c6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Ne4 5. Ne2 h6 6. d3 {B11: Caro-Kann: Two Knights Variation.} Ng5 7. Nxg5 hxg5 8. Bxg5 {[#] White is slightly better.} d4 $146 ({Predecessor:} 8... Qb6 9. Qc1 c5 10. Nc3 d4 11. Ne4 Nc6 12. Bf4 g6 13. Be2 Bg7 14. a4 Bxe5 15. Bxe5 Nxe5 {0-1 (43) Leenhouts,K (2411)-Admiraal,M (2506) Belgium 2019}) 9. Ng1 (9. Bd2 $14) 9... Qa5+ $11 10. Qd2 (10. Bd2 $5 {[%cal Rd2a5]} Qxe5+ {[%mdl 64] Double Attack} 11. Be2 $11) 10... Qxe5+ 11. Be2 Na6 12. Bf4 Qb5 {Strongly threatening ...e5.} 13. c3 g5 14. Bxg5 f6 $1 15. Bf4 e5 16. Bg3 Bf5 17. Nf3 O-O-O {Threatening ...dxc3.} 18. c4 Qb4 19. O-O (19. Nh4 $1 $11 Be6 20. f4) 19... Qxd2 $1 $15 20. Nxd2 Nc5 21. f4 $1 {[%cal Rf4e5]} e4 ({Black should play} 21... Bxd3 $15 22. Bxd3 Nxd3 23. fxe5 Bh6) 22. dxe4 Nxe4 23. Nxe4 Bxe4 24. Bf3 f5 25. Rfe1 Bc2 $36 {[%mdl 2048] Black is pushing.} 26. Bd1 d3 27. Bxc2 (27. Rc1 $11) 27... dxc2 28. Bf2 $2 {[%mdl 8192] Loses the game.} (28. Kf1 $15) 28... Bb4 $19 29. Rec1 Rd2 30. Be1 Bc5+ 31. Kf1 {[#]} Rhd8 $1 32. b4 Bxb4 {aiming for ...Rd1.} 33. a3 Bc3 34. Ra2 {[#]} Rd1 $1 {[%mdl 576] Discovered Attack} 35. Raxc2 Bxe1 36. Ke2 Rxc1 37. Rxc1 {[%mdl 4096] Endgame KRB-KR} Ba5 38. Rc2 Re8+ 39. Kf3 Re4 40. h4 Rd4 41. h5 Rd3+ {Black is clearly winning.} 42. Ke2 Rxa3 43. h6 {And now h7 would win.} Ra1 44. h7 Rh1 {Accuracy: White = 62%, Black = 96%.} 0-1

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "4.3"]
[White "Grochal, Joey"]
[Black "Risting, Eivind Olav"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "2303"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,80,16,16,26,22,0,0,9,43,25,44,27,43,21,40,0,10,0,12,-37,-43,-42,-50,-89,-72,-100,-27,-69,-52,-110,-114,-120,-99,-200,-199,-223,-219,-317,-109,-120,-96,-90,-67,-72,-86,-76,-62,-161,-161,-161,-161,-152,-164,-1904,-29971,-29971,-29972,-29972,-29970,-29965,-29966]} 1. d4 f5 2. c4 Nf6 3. Nf3 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 d6 7. O-O c6 8. d5 e5 9. dxe6 Bxe6 10. b3 Na6 11. Ng5 Qe7 12. Nxe6 {A88: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 c6.} Qxe6 13. Bf4 Rad8 14. Rc1 {[#] The position is equal.} Rfe8 $146 ({Predecessor:} 14... Nc5 15. Qd2 Rd7 16. Rfd1 Re8 17. Rc2 Nfe4 18. Nxe4 Nxe4 19. Qc1 Bf6 20. Be3 a5 {½-½ (27) Lifanov,V (2382)-Fister,B (2370) ICCF email 2011}) 15. Be3 Nc5 16. b4 Nce4 17. Nxe4 Nxe4 18. Bd4 Bh6 19. e3 d5 20. Qa4 dxc4 {Hoping for ...Nxf2!} 21. Qxa7 b5 22. Bxe4 fxe4 23. Rcd1 Rd7 ({Black should play} 23... Ra8 $17 24. Qb6 Reb8) 24. Qa6 Rd5 25. Bc5 (25. a4 $15) 25... Rd3 26. a4 Qd7 27. Bd4 (27. Rc1 $17 {is a better defense.}) 27... Bg7 $19 28. axb5 cxb5 29. Qb6 (29. Rde1 $142) 29... Rd8 $2 (29... Rc8 $19 {and Black stays clearly on top. Threatens to win with ...c3.} 30. Ra1 Bxd4 31. exd4 c3) 30. Ra1 $17 {Ra7 is the strong threat.} Rxd4 31. Ra7 Qe8 {[#]} ({Reject} 31... Qd6 $6 32. Qb7 $11) 32. Rxg7+ $1 {[%mdl 512]} Kxg7 33. exd4 $15 {[%mdl 4096] Endgame [#] KQR-KQR} e3 $1 34. Re1 (34. Qc5 $15) 34... exf2+ $19 35. Kxf2 Qf7+ 36. Kg2 Rf8 37. Ra1 $2 (37. Qe6) 37... Qf3+ (37... Qf2+ $19 38. Kh1 Qf3+ 39. Kg1 Qe3+ 40. Kh1 Rf2 41. Qb7+ Kh6) 38. Kg1 {Black mates.} Qe3+ 39. Kh1 Rf2 40. Qc6 Kh6 {Accuracy: White = 48%, Black = 81%.} 0-1

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "4.4"]
[White "De Ruiter, Danny"]
[Black "Beukema, Jasper"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2265"]
[BlackElo "2329"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,94,22,25,26,21,8,18,20,25,27,31,30,39,15,3,8,23,5,15,-10,46,50,85,0,0,0,0,0,16,18,33,33,38,0,0,0,0,-20,-18,-18,-20,-27,-29,-22,0,0,0,-10,-7,-6,-18,-229,-196,-173,-171,-235,-204,-199,-220,-1080,-1060,-1127,-1127,-1127,-1127,-1127,-1127,-1127,-1127,-2956,-2720,-5065,-4133,-4134,-3375,-2186,-1760,-2893,-5102,-2777,-2697]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. Nc3 dxc4 7. Ne5 c5 8. dxc5 Qxd1+ 9. Nxd1 {E06: Closed Catalan: Early deviations.} Bxc5 10. Ne3 Bb4+ 11. Bd2 {The position is equal.} Bxd2+ 12. Kxd2 Rd8+ 13. Kc2 Nd5 {[#]} 14. N3xc4 $146 ({Predecessor:} 14. Rhd1 Nc6 15. Nxc6 bxc6 16. Nxc4 Ba6 17. b3 Rab8 18. a3 Nc7 19. e3 Bxc4 20. bxc4 {½-½ (30) Enchev,I (2492)-Lajthajm,B (2422) Wunsiedel 2018}) 14... f6 15. Nd3 e5 16. Rhd1 {White wants to play Nc5.} Nc6 17. b3 Rb8 ({Black should play} 17... b5 $11 18. Bxd5+ Rxd5) 18. Kb2 $14 b5 19. Ne3 (19. Nc5 $16) 19... Nxe3 $11 20. fxe3 Ne7 $1 21. Nc5 Bf5 22. b4 Bg6 23. g4 Be8 24. Ne6 Rdc8 25. Rac1 Rxc1 26. Kxc1 (26. Rxc1 $5 {[%cal Rc1c7]} Bf7 27. Rc7 Bxe6 28. Rxe7 Bxg4 29. Bd5+ Kh8 30. Bf3 $11) 26... Rc8+ 27. Kb2 Rc4 28. a3 $1 Rxg4 29. Bb7 Kf7 30. Nc7 $1 Rh4 31. Rd8 Bc6 32. Bxc6 Nxc6 {[%mdl 4096] Endgame KRN-KRN} 33. Rd6 $2 {[#] White does not recover from this.} (33. Rd7+ $11 {and White is okay.} Kg6 34. Nxb5) 33... Ne7 $19 ({Inferior is} 33... Rxh2 34. Rxc6 h5 35. Kc2 $11 (35. Nxb5 Rxe2+ 36. Kc3 Rxe3+ 37. Kd2 Rg3 $11)) 34. Nxb5 Rxh2 35. Rd2 (35. Kc3 $142) 35... g5 {Strongly threatening ...g4.} 36. Nxa7 {With the idea b5.} g4 {[#] aiming for ...Rh1.} 37. Kb3 $2 (37. b5 g3 38. b6) 37... Rh1 {Black is clearly winning.} 38. e4 g3 39. e3 Rh2 40. Rd1 g2 41. Rg1 h5 42. b5 h4 43. b6 h3 44. b7 Rh1 45. b8=Q Rxg1 46. Ka4 Rc1 47. Qb3+ Kg6 {Accuracy: White = 59%, Black = 94%.} 0-1

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "4.5"]
[White "Huynh, Laurent"]
[Black "De Rover, Yong Hoon"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2273"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "151"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,151,37,31,49,0,3,12,31,6,5,12,7,7,14,0,0,13,14,0,0,-21,0,0,-1,-37,-4,-8,33,-35,-24,-30,-21,-31,0,0,67,68,85,-74,0,0,0,0,0,-16,0,0,0,0,0,-44,-44,-74,-37,-37,11,-72,-12,-23,-25,-26,-15,-36,-22,-38,0,0,0,0,0,0,10,-8,-8,-8,-2,-38,0,0,269,8,57,51,110,104,133,-29994,114,92,75,49,90,79,91,94,88,63,79,9,78,0,0,-489,-560,-513,-514,-1066,-997,-970,-954,-1082,-1055,-911,-987,-639,-498,-1182,-1353,-29959,-29962,-29962,-29964,-29964,-29965,-29964,-29965,-29965,-29966,-29964,-8,-8,0,-29965,-29949,-1324,0,-8,-8,-8]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 g6 7. g4 Bg7 8. Bg2 O-O {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 9. O-O Nc6 10. Be3 Nd7 {[#]} 11. b3 $146 ({Predecessor:} 11. Qd2 Nxd4 12. Bxd4 Bxd4 13. Qxd4 g5 14. Nd5 Ne5 15. Rad1 Be6 16. Qe3 f6 17. f4 gxf4 18. Rxf4 {½-½ (79) Andriasian,Z (2611)-Fedoseev,V (2677) Moscow 2019}) 11... Nxd4 12. Bxd4 Bxd4 13. Qxd4 g5 14. Rad1 Ne5 15. Nd5 Be6 16. f4 gxf4 17. Nxf4 Qa5 18. Rf2 Rac8 19. Rdf1 b6 20. Kh1 Qc5 21. Qd2 (21. Nxe6 $14 fxe6 22. Qxc5 bxc5 23. Rxf8+ Rxf8 24. Rxf8+ Kxf8 25. Bf1) 21... Ng6 $1 $15 22. Nh5 f6 23. c4 Kh8 24. Rf5 Qc7 (24... Bxf5 $11 25. exf5 Ne5) 25. Qh6 $14 {[%csl Gh5][%cal Rh6g7]} Rg8 26. Ng3 $2 (26. g5 $1 $16) 26... Nf8 ({Black should try} 26... Bxf5 $17 27. exf5 Ne5) 27. R5f2 $11 b5 28. cxb5 axb5 29. Ne2 Qa7 30. Qd2 Ng6 31. Nd4 Bd7 32. Nf3 Ne5 33. Nd4 Rc5 (33... b4 $5) 34. Nf5 Bc6 35. Qh6 (35. Nh6 $11 Rg6 36. g5 $1 {[%mdl 512]} Rxg5 37. Rxf6 $1 {[%mdl 512]} exf6 38. Qxd6) 35... Nf7 (35... Rc3 $17) 36. Qe3 {aiming for b4.} Qb7 37. Re1 b4 38. Qd4 Ne5 39. Rfe2 Rc3 40. Re3 $1 Rxe3 41. Rxe3 Rc8 42. Rg3 Be8 43. g5 fxg5 $1 44. Rxg5 Qc7 $36 {[%mdl 2048] White is under pressure.} 45. Kh2 Bg6 (45... Qc1 $5 {[%cal Rc1g5]} 46. Rg3 Qf4 $11) 46. Qxb4 Qc2 $2 {[%mdl 8192]} (46... e6 $11) 47. Qd4 $2 (47. Nxe7 $18 Qf2 48. Rg3) 47... Bxf5 (47... Rc3 $5 {[%cal Rc3d3]} 48. Rg3 (48. Nxe7 $2 Rd3 $19) 48... Rxg3 49. Kxg3 Bxf5 50. exf5 Qxa2 $14) 48. Rxf5 Rg8 (48... Kg7 $14) 49. Rf2 $16 Qc1 50. Qd2 $2 {[%mdl 8192] [#]} (50. b4 $16) 50... Qc5 $2 (50... Nf3+ $1 {[%mdl 512]} 51. Rxf3 Qxd2 52. Rg3 Qf4 $1 {[%mdl 512]} 53. Kg1 Rxg3 54. Kh1 Qf2 $1 {[%mdl 576] Double Attack} 55. h4 Qxg2#) 51. Rf5 Rc8 52. Qf4 Rg8 53. Qf2 {Qxc5 is the strong threat.} Qc3 54. Rf8 Ng6 55. Rxg8+ Kxg8 56. Qf5 ({Better is} 56. h4 $16) 56... Qb2 (56... Kg7 $11) 57. Qe6+ (57. a4 $16) 57... Kf8 58. a4 $2 {[%mdl 8192]} (58. Qf5+ $11 {and White has nothing to worry.} Kg7 59. a4) 58... Qxg2+ $1 $19 {[%mdl 64] Decoy} 59. Kxg2 Nf4+ {[%mdl 64] Double Attack} 60. Kf2 (60. Kf3 $142 Nxe6 61. Kf2) 60... Nxe6 {[%mdl 4096] Endgame KN-KP} 61. b4 Ke8 62. h4 Kd7 63. Kf3 Nc7 64. Kf4 Kc6 65. h5 (65. Kg5 $142 Ne8 66. Kf5) 65... e6 66. h6 d5 67. Ke5 dxe4 68. Kxe4 {KN-K3P} Kd6 69. Kd4 e5+ 70. Kc4 Nd5 71. a5 Ne3+ $2 (71... Nf6 {mates} 72. Kb5 Nd7 73. Kc4 Nf6 74. Kb5 Nd7 75. Kc4 Kc6 76. b5+ Kd6 77. Kb4 Kd5 78. b6 Kc6 79. Kc4 Nc5 80. Kb4 Na6+ 81. Kc4 Nb8 82. Kb4 Nd7 83. Kc4 Nc5 84. Kb4 Ne4 85. Kc4 Nc5) 72. Kd3 $11 Nd5 73. b5 $2 {[%mdl 8192]} (73. Kc4 $11 Nf6 74. Kb5) 73... Nc7 74. Kc4 {[#]} Nd5 $2 ({Black should play} 74... Ne8 $1 $19 {[%cal Re8f6] Hoping for ...Nf6.} 75. Kb4 Nf6) 75. b6 {Black must now prevent b7.} Ne7 {And now ...Kc6 would win.} 76. a6 {Accuracy: White = 59%, Black = 66%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "5.1"]
[White "De Rover, Yong Hoon"]
[Black "Dgebuadze, Alexandre"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2370"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,64,0,0,0,0,0,0,10,8,4,12,53,52,54,48,112,45,45,45,40,40,36,0,18,0,36,11,51,62,54,0,167,107,122,95,231,60,39,11,39,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 O-O 8. Bd3 Nbc6 9. Qh5 Ng6 10. Nf3 Qc7 11. Be3 c4 12. Bxg6 fxg6 13. Qg4 Bd7 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4.} (13... Qe7 14. h4 Rf5 15. Ng1 Bd7 16. Ne2 Qf8 17. Qh3 h6 18. g4 Rf7 19. f4 b5 20. h5 g5 21. O-O Qe7 22. fxg5 Rxf1+ 23. Rxf1 hxg5 24. h6 Rf8 25. Rxf8+ Qxf8 26. Bxg5 gxh6 27. Bf6 Qf7 28. Qxh6 Qh7 29. Qg5+ Kf7 30. Nf4 a5 31. Nh5 Qg6 {½-½ (51) De Rover,Y (2401)-Dgebuadze,A (2522) Belgium 2017}) 14. h4 {And now h5 would win.} Rf5 $1 15. h5 gxh5 16. Rxh5 Rxh5 17. Qxh5 {Ng5 is the strong threat.} Be8 18. Qh3 Nd8 19. Kd2 Qd7 (19... Bg6 $14) 20. Rh1 (20. g4 $1 $16) 20... Bg6 $14 21. Nh4 Qf7 $1 22. g4 Nc6 23. f4 Be4 24. Rf1 Rf8 25. f5 $1 {[#]} Qe7 $146 ({Predecessor:} 25... Nd8 26. Rf2 Qd7 27. f6 Qa4 28. Kd1 Rf7 29. g5 g6 30. Bc1 Qb5 31. Ng2 Bxg2 32. Qxg2 {½-½ (31) Berecz,A (2390)-Kolehmainen,K (2438) ICCF email 2006}) 26. f6 $1 {[%cal Rf6e7]} Qe8 27. Bg5 (27. g5 $14 g6 28. Ra1) 27... h6 $2 (27... a5 $11 {and Black has nothing to worry.}) 28. Be3 ({White should try} 28. Bf4 $1 $18) 28... Nd8 $16 {[#]} 29. g5 $1 {[%cal Rg5h6]} ({Much worse is} 29. fxg7 $6 Rxf1 30. Qxf1 Nf7 $11) 29... hxg5 {[#]} (29... g6 $16 {was worth a try.}) 30. Bxg5 $2 (30. Qg4 $1 $18) 30... Qh5 $14 31. Rg1 g6 32. Rg3 Kf7 {Accuracy: White = 67%, Black = 63%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "5.2"]
[White "Beukema, Jasper"]
[Black "Huynh, Laurent"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2329"]
[BlackElo "2273"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,105,2,25,-6,-7,0,0,-41,30,31,30,20,18,12,18,-18,-20,-23,2,-22,0,-147,11,-64,-36,-41,-31,-35,-25,-49,0,0,0,-54,-12,-14,-14,-13,56,55,68,72,152,131,304,304,270,277,521,530,502,487,652,641,619,483,457,419,419,419,419,419,419,419,419,419,439,419,419,419,419,419,485,496,507,493,649,555,561,533,637,631,560,569,458,423]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 h6 8. Bh4 O-O 9. Bd3 Nbd7 10. Nge2 Re8 11. f3 $1 {[%mdl 4] is now more promising than 11.0-0.} c5 12. Bb5 {[#] D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} a6 $146 ({Predecessor:} 12... cxd4 13. Nxd4 Bb4 14. O-O Bxc3 15. Qxc3 a6 16. Ba4 b5 17. Bc2 Bb7 18. Nf5 Rc8 19. Qd2 Ne5 20. Rac1 Qb6 21. b3 Ng6 22. Bg3 Rcd8 23. Bb1 Rd7 24. Qd4 Qxd4 25. exd4 Nh5 {½-½ (25) Garkauskas,O (2060)-Lopes,R (1944) Mogi das Cruzes 2012}) 13. Bxd7 Qxd7 14. dxc5 {The position is equal.} g5 ({Worse is} 14... Bxc5 15. Bxf6 gxf6 16. Rd1 $16) (14... Ng4 $1 $15 15. Bf2 (15. Bxe7 $2 Nxe3 {[%mdl 64] Double Attack} 16. Qd2 Qxe7 $19) 15... Nxf2 16. Kxf2 Bxc5) 15. Bf2 $1 $11 Bxc5 16. Qd2 Qe7 {[%cal Rc5e3]} 17. Nd4 Be6 18. g4 Nd7 $36 {[%mdl 2048] White is under pressure.} 19. Bg3 Qf6 {Strongly threatening ...Bxd4.} 20. O-O Ne5 {And now ...Nc4 would win.} 21. Nce2 (21. Nxe6 $11 {keeps the balance.} Qxe6 22. Qxd5 Bxe3+ 23. Kh1) 21... Rac8 $2 (21... Nc4 $17 22. Qc3 Bd7) 22. b3 ({White should play} 22. Bxe5 $1 $11 Qxe5 23. Ng3) 22... Nc6 23. h3 Bb4 24. Qd1 $1 Bd7 {aiming for ...Nxd4.} 25. Nc2 Bc3 26. Nxc3 Qxc3 27. f4 ({White should try} 27. Rf2 $11) 27... Ne7 28. Rf2 Bb5 29. fxg5 {Qf3 is the strong threat.} hxg5 (29... Bd3 $1 $11 30. Qf3 Nf5) 30. Qf3 $1 $14 {[%cal Rf3f7]} Qg7 {White must now prevent ...Rxc2!} 31. Rd1 $1 Bc6 ({Better is} 31... Rc3) 32. Nd4 $16 Rcd8 $2 {Loses the game.} (32... Ng6 $16 {was worth a try.} 33. Nf5 d4) 33. h4 $18 Ng6 34. hxg5 Ne5 $2 {[#]} (34... Bd7 35. Nf5 Bxf5) 35. Bxe5 $1 Rxe5 {[#]} 36. Nf5 $1 {[%cal Rf5g7]} Qg6 37. Nh6+ Kg7 38. Qxf7+ Qxf7 39. Nxf7 Rde8 40. Nxe5 Rxe5 {[%mdl 4096] Endgame KRR-KRB} 41. Rd3 Rxg5 42. Rf4 Re5 43. Kf2 Kg6 44. Rd1 Re8 45. Ke2 Rh8 46. Kd3 Rh2 47. Rd2 {White is clearly winning.} Rh1 48. Kd4 Re1 49. Rc2 Rd1+ 50. Ke5 Rd3 51. Rxc6+ bxc6 52. Rf6+ {[%mdl 64] Double Attack} Kg5 53. Rxc6 {Accuracy: White = 80%, Black = 48%.} 1-0

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "5.3"]
[White "Risting, Eivind Olav"]
[Black "De Ruiter, Danny"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2289"]
[BlackElo "2265"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,84,31,52,22,147,126,147,84,111,106,102,111,155,124,130,73,140,137,169,159,162,167,164,159,197,190,186,188,191,182,222,212,214,211,259,218,309,312,294,311,1118,1110,1326,1292,1333,1321,1310,0,1297,1259,29971,29971,29944,246,381,0,5289,2251,1544,1434,29999]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Be7 6. Bd3 Nbd7 7. b3 b6 8. O-O Bb7 9. Bb2 O-O 10. Qc2 c5 11. cxd5 exd5 12. Rfd1 Rc8 13. Qe2 Ne4 14. dxc5 {[#] E14: Queen's Indian: Classical Variation (4 e3).} bxc5 $146 (14... Nxc3 $11 {remains equal.} 15. Bxc3 Nxc5) ({Predecessor (3):} 14... Nxc3 15. Bxc3 bxc5 16. Rac1 Qb6 17. Bf5 Rcd8 18. Qd2 Qd6 19. Qb2 d4 20. Nxd4 cxd4 21. Rxd4 Qc6 {½-½ (34) Mikhalchishin,A (2527)-Krysztofiak,M (2385) Warsaw 2004}) 15. Bxe4 $1 $16 dxe4 {[#]} 16. Nd2 (16. Ne5 $142 $1 {[%mdl 512]} Nxe5 17. Rxd8 Rfxd8 18. Nxe4) 16... f5 17. Nc4 Ba6 18. Nxe4 Qc7 ({Avoid the trap} 18... fxe4 $2 {[#]} 19. Qg4 $1 $18 {[%mdl 512]}) 19. Ng3 Nb6 20. Nh5 (20. Qc2 $142) 20... g6 ({Better is} 20... Rf7) 21. Nf4 {Black must now prevent Ne6.} Nxc4 22. bxc4 {Threatens to win with Nd5.} Bb7 23. Nd5 Bxd5 24. Rxd5 Bf6 25. Rad1 Bxb2 26. Qxb2 {And now Rd7 would win.} Qb6 27. Qe2 Rf7 28. h4 Qf6 29. g3 Rb7 30. Qd3 Rcc7 (30... Rf7 $142 31. Rd6 Qe7) 31. Rd8+ $18 Kg7 32. Qd5 Rb2 $2 (32... Kh6 33. Rd6 Qf7) 33. Qg8+ Kh6 34. R8d7 Rxd7 35. Rxd7 {[%csl Gg8][%cal Rd7h7][%mdl 4096] Endgame KQR-KQR} Kh5 36. Rxh7+ $40 {[%mdl 128] Black needs to defend precisely.} Kg4 {( -> ...Kh3)} 37. Qd5 Qc3 38. Qd1+ Kh3 39. Qf1+ $2 (39. g4 {mates} Rb1 40. Qxb1 Qxc4 41. Qf1+ Qxf1+ 42. Kxf1 Kxg4 43. Rxa7 f4 44. a4) 39... Kg4 40. Qd1+ $2 (40. Rh6 Qg7 41. Kg2 Qb7+ 42. Kh2) 40... Kh3 41. h5 (41. g4 $142 Rb1 42. Qxb1 Qxc4 43. Qf1+ Qxf1+ 44. Kxf1 Kxg4 45. Rxa7) 41... g5 42. h6 {[%cal Rd1h5]} g4 43. Qf1# {Accuracy: White = 62%, Black = 40%.} 1-0

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "5.4"]
[White "Blom, Vincent"]
[Black "Grochal, Joey"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2308"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,86,-14,-17,-16,-12,14,16,25,36,24,14,24,21,22,0,0,-3,0,-20,-22,-34,0,-30,-12,-21,-22,-25,-21,-41,-42,-50,-54,-60,-53,-89,-87,-103,-94,-117,-110,-110,-108,-104,-101,-105,-68,-68,-68,-89,-47,-118,-126,-126,-104,-136,-78,-78,-76,-118,-129,-119,-117,-303,-222,-470,-583,-554,-545,-1672,-497,-2164,-2120,-1540,-683,-5039,-4741]} 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. cxd5 exd5 5. Nf3 Be7 6. O-O O-O 7. d3 Re8 {A14: English Opening: 1...e6 with b3 by White.} 8. Nc3 {[#]} Bf8 $146 ({Predecessor:} 8... d4 9. Nb5 c5 10. a4 Nc6 11. Bd2 Be6 12. Ng5 Bd5 13. Ne4 Nxe4 14. dxe4 Be6 15. f4 {0-1 (29) Mamedov,E (2210)-Kharitonov,E (1956) Sochi 2019}) 9. Bg5 Na6 {The position is equal.} 10. e4 dxe4 11. dxe4 {Black must now prevent Qxd8.} Qxd1 12. Rfxd1 c6 13. e5 Nd7 14. Ne4 f6 15. Be3 (15. Bxf6 {looks sharper.} Nac5 16. Nxc5 Bxc5 17. Bg5 Nxe5 18. Nxe5 Rxe5 19. Rd8+) 15... Nxe5 16. Nxe5 fxe5 17. Bf1 Nc7 18. Bc4+ Be6 19. Bxe6+ Rxe6 20. Rd7 Re7 $36 {[%mdl 2048] Black has good play.} 21. Rad1 Nd5 22. Rxe7 Bxe7 23. Nc3 Nf6 24. h3 Kf7 25. Bg5 h6 26. Bxf6 gxf6 $17 {[%mdl 4096] Endgame KRB-KRN} ({Don't play} 26... Kxf6 $6 27. Rd7 $11) 27. g4 Ke6 28. Kg2 Bc5 29. Ne4 Bd4 30. b3 {[#]} h5 $1 {[%mdl 512]} 31. Ng3 (31. f4 $15) (31. gxh5 Rg8+) 31... hxg4 32. hxg4 c5 33. Rh1 Rg8 (33... b5 $142 $1 34. Nf5 c4 35. bxc4 bxc4) 34. Kf3 {[#]} b5 $1 {[%cal Bb7b5,Bb5c4,Bc4c3][%mdl 32]} 35. Ne4 c4 36. bxc4 bxc4 37. Rh6 $2 {White does not recover from this.} (37. Rc1 $17) 37... Rc8 {...c3 is the strong threat.} 38. Nxf6 $2 {[#]} (38. Rxf6+ {was necessary.} Ke7 39. Rh6) 38... c3 $1 $19 {Black is clearly winning.} 39. Ne4+ Kd5 40. Rd6+ Kc4 {aiming for ...c2.} 41. Rh6 (41. Ke2 $142 c2 42. Nd2+ Kc5 43. Rf6) 41... Kd3 42. Nxc3 Rxc3 (42... Rf8+ $142 43. Kg3 Bxf2+ 44. Kg2 Kxc3) 43. g5 Rc2 {Accuracy: White = 57%, Black = 75%.} 0-1

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "5.5"]
[White "Hautot, Stephane"]
[Black "Defromont, Benjamin"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2322"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,99,50,53,50,59,31,45,55,46,0,0,0,0,0,0,0,13,-11,-15,-10,0,0,0,-22,-18,-6,-12,-20,11,0,0,0,-2,-2,-12,-11,0,-22,0,-42,0,-154,-162,-148,-158,-248,-249,-328,-252,-613,-259,-634,-56,-212,-62,-54,-54,-55,-35,-39,-14,-14,-12,-18,-18,-23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 g6 5. Nxd4 Bg7 6. Nxc6 bxc6 7. O-O d6 8. Nc3 {C50: Hungarian Defence and Giuoco Pianissimo.} Be6 9. Qe2 Qd7 10. f4 {White is slightly better.} Ne7 {[#]} 11. Bd3 $146 (11. f5 $5 gxf5 12. exf5 Bxf5 13. Bg5 Bd4+ 14. Kh1 $11) ({Predecessor:} 11. h3 O-O 12. Bd2 Rae8 13. Bb3 f5 14. Rae1 fxe4 15. Bxe6+ Qxe6 16. Qxe4 Qxe4 17. Rxe4 {0-1 (35) Correia,M (2115)-Sabuk,P (2371) Lisbon 2020}) 11... f5 $1 12. Bd2 O-O 13. Rae1 Rae8 14. b3 c5 15. e5 Nc6 16. Na4 Nd4 17. Qf2 Bd5 18. c3 Ne6 19. Nb2 dxe5 20. fxe5 Be4 21. Bxe4 fxe4 22. Qe2 Bxe5 23. Rxf8+ Nxf8 24. Qc4+ Kh8 25. Be3 Qg4 $36 {[%mdl 2048] Black fights for an advantage.} 26. Qe2 Qh4 27. h3 $2 (27. g3 $11 Bxg3 28. hxg3 Qxg3+ 29. Kf1) 27... Bxc3 $17 28. Rd1 Ne6 {...Nd4 is the strong threat.} 29. Na4 (29. Nc4 $17) 29... Bd4 $19 {Strongly threatening ...Qg3.} 30. Kh1 Rf8 31. Rc1 $2 {[#]} (31. Bg1) 31... Rf5 (31... Rf3 $142 $1 {[%mdl 512]} 32. Bg1 {[#]} (32. gxf3 Qxh3+) 32... Bxg1 $1 {[%mdl 512]} 33. Rxg1 Nd4) 32. Nc3 $2 (32. Qg4 Qxg4 33. hxg4) 32... Be5 $2 (32... Ng5 $19 {( -> ...Nxh3!)} 33. Qe1 Qxe1+ {[%mdl 64] Overworked Piece} 34. Rxe1 Bxc3) 33. Bg1 $2 (33. Qg4 $1 $15 Qe7 34. Qxe4) 33... Ng5 (33... Qg5 $19 34. Qd1 e3) 34. Qg4 $1 $15 {[%cal Rg4h4]} Qxg4 35. hxg4 Rf7 {White must now prevent ...Bd4.} 36. Bxc5 a6 37. Be3 Bf4 38. Nd5 Bxe3 39. Nxe3 $11 {[%mdl 4096] Endgame KRN-KRN} Rd7 40. Kg1 {The position is equal.} Ne6 (40... Rd3 {looks sharper.} 41. Nf1 e3 42. Re1 Rd4 43. Nxe3 c5) 41. Rc4 Rd4 42. Rxd4 Nxd4 {KN-KN} 43. Kf2 Kg7 44. Nd5 c6 45. Nc3 Kf6 {Hoping for ...Ke5.} 46. Nxe4+ Ke5 47. Nc5 Kf4 48. Nxa6 Kxg4 49. b4 Kf4 50. Nc5 {Black had all chances to win. Accuracy: White = 62%, Black = 74%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.25"]
[Round "6.1"]
[White "Dgebuadze, Alexandre"]
[Black "Defromont, Benjamin"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2485"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,119,39,42,37,32,32,33,36,28,37,38,40,42,19,39,35,39,47,53,41,53,54,56,55,57,45,43,52,42,38,45,12,14,1,16,5,10,10,13,17,14,2,2,2,2,2,2,2,2,2,2,2,2,2,3,3,3,4,10,6,67,67,71,67,67,67,67,67,83,67,67,0,67,67,67,67,67,67,76,0,75,76,76,76,76,85,316,294,377,174,369,345,249,16,59,59,59,51,12840,12840,12841,12840,12841,12842,12845,12845,12845,12845,12845,12846,12847,12845]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 h6 5. Nf3 Bf5 6. Bd3 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} e6 7. O-O Bxe4 8. Bxe4 {White is slightly better.} Nf6 9. Bd3 Bd6 10. c4 O-O 11. b3 Nbd7 12. Bb2 Qc7 13. Re1 Rfe8 {[#]} 14. Qc2 $146 ({Predecessor:} 14. Qe2 Rad8 15. Rad1 Bb4 16. Rf1 b6 17. Ne5 Bd6 18. f4 c5 19. dxc5 Qxc5+ 20. Kh1 {1-0 (27) Siva,M (2370)-Beadle,J (1560) Caleta 2016}) 14... Rad8 15. a3 c5 16. dxc5 Nxc5 17. Bf1 e5 {next ...e4 is good for Black.} 18. b4 Ncd7 {Threatening ...e4.} 19. Bd3 b6 20. Bf5 a5 21. Qc3 axb4 22. axb4 e4 23. Rxe4 Rxe4 24. Bxe4 {White wants to play Bf5.} Ne5 25. Bh7+ Kxh7 26. Nxe5 Bxe5 27. Qxe5 Qxc4 28. Qf5+ Kg8 {Threatens to win with ...Qe2.} 29. Bxf6 gxf6 30. Qxf6 Qd4 $132 {[%mdl 2048] Black puts up resistance} 31. Qxd4 Rxd4 $11 {[%mdl 4096] Endgame KR-KR} 32. Rb1 b5 33. Kf1 Rd2 34. Rb3 {With the idea Rh3.} Kg7 (34... Rd1+ $11 35. Ke2 Rd4) 35. Rg3+ $1 $14 Kf6 36. Rf3+ Kg6 $1 37. Rf4 $1 f5 38. g3 h5 39. Kg2 Rd3 40. Kf1 Rd2 41. Ke1 Rb2 42. h3 Kg5 43. Rd4 Kf6 44. Rd6+ ({White should try} 44. Kf1 $1 $16) 44... Kg7 (44... Ke5 $11 {keeps the balance.} 45. Rh6 Rxb4) 45. Rd5 $16 Rxb4 46. Rxf5 Kg6 47. Re5 Rb2 $2 {[#]} (47... Rb3 $16) 48. Kf1 $1 $18 Rb4 49. Rc5 (49. Kg2 $142 Rb3 50. Re6+ Kg7 51. g4) 49... Rb2 $2 (49... Rb1+ 50. Ke2 Rb2+ 51. Kf3 Rb3+ 52. Kf4 h4 53. gxh4 Rxh3) 50. Rc6+ Kg7 {[#]} 51. Rb6 $2 ({Only move:} 51. Kg2 $1 $18) 51... b4 52. Kg2 Rb3 $1 53. g4 hxg4 $2 {[%mdl 8192]} (53... h4 $14) 54. hxg4 {White is clearly winning.} Rb1 55. Kf3 b3 56. Kf4 Rb2 57. f3 Rb1 58. Kg5 b2 59. Rb7+ Kf8 60. f4 {Accuracy: White = 85%, Black = 74%.} 1-0

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.25"]
[Round "6.2"]
[White "Grochal, Joey"]
[Black "Hautot, Stephane"]
[Result "1/2-1/2"]
[ECO "D51"]
[WhiteElo "2303"]
[BlackElo "2322"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,47,26,23,47,47,55,27,32,20,20,18,26,0,-3,0,7,5,14,-20,-1,-31,-33,-27,0,0,11,0,9,0,22,14,6,13,22,14,20,18]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 h6 7. Bh4 g5 $1 {[%mdl 4] is recently more successful than 7...Be7. D51: Queen's Gambit Declined: 4 Bg5 Nbd7 sidelines.} 8. Bg3 Nh5 9. Be5 Nhf6 {White has an edge.} 10. h3 Nxe5 11. Nxe5 Nd7 12. Nxd7 Bxd7 13. Bd3 Bg7 14. cxd5 exd5 15. Qf3 Qf6 16. Qxf6 Bxf6 17. b4 Ke7 18. b5 {The position is equal.} Kd6 19. Kd2 Bd8 20. bxc6 Bxc6 21. Ke2 Ba5 22. Rac1 Rac8 23. Kf3 Bd7 24. Nb5+ {Accuracy: White = 69%, Black = 92%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.25"]
[Round "6.3"]
[White "De Ruiter, Danny"]
[Black "Blom, Vincent"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2265"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,29,0,39,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Re1 a6 6. Ba4 b5 7. Bb3 Be7 8. h3 O-O 9. c3 Bb7 10. d4 Re8 11. Ng5 Rf8 12. Nf3 Re8 13. Ng5 Rf8 14. Nf3 Re8 15. Ng5 {An uneventful encounter. C92: Closed Ruy Lopez: 9...Be6, Karpov and Flohr-Zaitsev Variations.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.25"]
[Round "6.4"]
[White "Huynh, Laurent"]
[Black "Risting, Eivind Olav"]
[Result "0-1"]
[ECO "B67"]
[WhiteElo "2273"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,86,51,69,22,28,-16,-14,-26,-27,-171,-161,-167,-162,-156,-158,-188,-153,-171,-83,-78,67,75,75,74,50,50,63,-152,-149,-214,-214,-214,-213,-208,-189,-204,-194,-244,-241,-237,-183,-265,-243,-284,-287,-474,-254,-251,-184,-1150,-357,-355,-352,-341,-297,-416,-364,-759,-405,-402,-306,-360,-315,-662,-679,-594,-582,-537,-516]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 h6 {9...Be7 is setting a new trend.} 10. Bh4 b5 11. Nxc6 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7.} (11. Bxf6 $5 gxf6 12. Nce2 $11) 11... Bxc6 12. Qd4 {[#]} Be7 $146 ({Predecessor:} 12... Rc8 13. Be2 Be7 14. Bf3 O-O 15. g4 Qc7 16. g5 hxg5 17. Bxg5 e5 18. Qd2 b4 {0-1 (41) Farago,S (2299)-Popovics,A (2320) Budapest 2002}) 13. Bxf6 {The position is equal.} Bxf6 14. e5 (14. Qxd6 $11 {and White has nothing to worry.} Qb6 15. Nd5 exd5 16. exd5 Qe3+ 17. Kb1) 14... dxe5 $19 {[%mdl 64] Discovered Attack} 15. Qc5 Qc8 $1 16. fxe5 Be7 17. Qf2 b4 18. Ne2 Bd5 (18... O-O $19 {...Qc7 is the strong threat.} 19. Nd4 Bb7) 19. Kb1 $17 Bxa2+ (19... Qd8 $17 20. b3 Qa5) 20. Kxa2 $14 Qxc2 {( -> ...b3+)} 21. Rc1 Qa4+ 22. Kb1 O-O {Threatens to win with ...Rac8.} 23. g3 $2 {[#]} (23. Rc4 $14) 23... Rad8 $1 $17 {Black continues to play with concentration.} ({Weaker is} 23... b3 24. Nc3 $14) 24. Nd4 (24. Qb6 $17) 24... b3 $19 25. Nxb3 Qxb3 26. Bc4 Qb4 {Strongly threatening ...Rd2.} 27. Rc2 a5 28. Rf1 Bc5 29. Qe2 Rd4 30. g4 (30. Rfc1 $142) 30... Rfd8 {And now ...Rd2 would win.} 31. Rfc1 Rd2 32. Qf1 $2 (32. Qf3) 32... Rxc2 (32... a4 $142 {aiming for ...a3.} 33. Qf3 a3 34. Rxd2 Qxd2) 33. Rxc2 Rd2 $40 {[%mdl 128] Black has strong attack.} 34. Qf4 $2 (34. Rxd2 Qxd2 35. Qe2) 34... Rd4 $2 (34... Rd1+ 35. Rc1 {[#]} Bd4 $1 {[%mdl 512]}) 35. Qc1 Rxg4 {White must now prevent ...Rg1.} 36. Bf1 Bf8 37. Rf2 (37. Bg2 {keeps fighting.}) 37... Re4 {Hoping for ...Re1!} 38. Qc2 $2 (38. Re2) 38... Rxe5 39. Bd3 {and the idea Bh7+ leaves White hopeful.} Qc5 ({Much less strong is} 39... Re1+ 40. Ka2 $19) 40. Bh7+ Kh8 41. Rxf7 $2 (41. Bd3) 41... Re1+ {Black is clearly winning.} 42. Ka2 Qd5+ 43. b3 {[%cal Rf7f8]} Qd6 {Accuracy: White = 37%, Black = 61%.} 0-1

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.25"]
[Round "6.5"]
[White "De Rover, Yong Hoon"]
[Black "Beukema, Jasper"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2370"]
[BlackElo "2329"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,88,51,41,59,43,52,50,33,38,45,64,56,66,37,64,47,54,28,46,15,20,10,12,8,0,0,14,0,13,3,8,8,31,0,22,18,20,0,0,-9,0,-32,-50,-151,-151,-142,-145,-151,-151,-137,-113,-243,-242,-444,-424,-429,-408,-500,-500,-500,-500,-500,-473,-460,-440,-647,-641,-570,-526,-500,-463]} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Na3 c5 8. Nxc4 Nc6 9. dxc5 Bxc5 10. Bf4 Nd5 11. Rc1 {E05: Open Catalan: 5 Nf3 Be7.} Nxf4 12. gxf4 Qe7 {[#]} 13. Qb3 $146 {White is slightly better.} ({Predecessor:} 13. Nce5 Nb4 14. a3 Nd5 15. e3 Bb6 16. Qb3 Bd7 17. Nxd7 Qxd7 18. Ne5 Qe7 19. Bxd5 exd5 20. Qxd5 {1-0 (57) Shtyrenkov,V (2455)-Mikulcik,L (2305) Zlin 1995}) 13... Rb8 14. Rfd1 Rd8 15. Rxd8+ Qxd8 16. Nce5 {Black must now prevent Nxc6.} Nxe5 17. Nxe5 Bb6 18. a4 f6 19. Nd3 (19. Bh3 {keeps more tension.} fxe5 20. Rxc8 Rxc8 21. Qxe6+ Kh8 22. Qxc8 Qxc8 23. Bxc8 exf4 24. b4) 19... Qe7 20. Rc4 Bd7 21. Qc3 a5 22. b3 Qd6 23. Bf3 Kf8 24. e3 Be8 25. Nb2 Qd7 26. Qc2 h6 27. Rc3 Bd8 28. Be4 f5 29. Bf3 Bf6 30. Rc7 Qd6 {Threatens to win with ...Bxb2.} 31. Rxb7 (31. Rc4 $1 $15) 31... Rxb7 $17 32. Bxb7 Qb4 $36 {[%mdl 2048] Keeping White busy.} 33. Bc8 Bxb2 $1 34. Bxe6 ({Don't blunder} 34. Qxb2 $2 Bxa4 $1 {[%mdl 512]} 35. Qc1 (35. Bxe6 $2 Qe1+ 36. Kg2 Bc6+ 37. e4 Qxe4+ {[%mdl 64] Double Attack} 38. Kf1 Qxe6 $19) 35... Bxb3 $19) 34... Bf6 35. Bxf5 {[#] This move loses the game for White.} (35. Qxf5 $17 Qe7 36. Bd5) 35... Qc3 $1 $19 36. Qxc3 $2 (36. Qb1) 36... Bxc3 37. Bc2 Bc6 38. h3 Ke7 {Black is clearly winning.} 39. Kh2 Kd6 40. Kg3 Be1 41. e4 Kc5 42. Kf3 (42. e5 $142 Bb7 43. h4) 42... Kd4 43. Ke2 Bb4 44. f3 Bd7 {Accuracy: White = 62%, Black = 100%.} 0-1

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "7.1"]
[White "Beukema, Jasper"]
[Black "Dgebuadze, Alexandre"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2329"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,36,-15,0,-23,31,19,35,38,87,68,69,57,100,72,96,88,83,95,164,59,45,28,27,28,35,35,34,43,46]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 c5 5. Qe2+ Be7 {[#] Hoping for ...c4.} 6. dxc5 {C01: French: Exchange Variation.} Nc6 (6... Nf6 $11) 7. Nf3 $14 Bg4 8. h3 {[#]} Bh5 $146 ({Predecessor:} 8... Nd4 9. Qe3 Nxf3+ 10. gxf3 Bd7 11. Qd4 Nf6 12. Nc3 Bc6 13. Rg1 Qd7 14. Bf4 Qxh3 {1-0 (41) Santacroce,F-Pelosin,M Paderno del Grappa 2000}) 9. g4 Bg6 10. Nc3 Nf6 11. Bg5 {Threatens to win with Bxg6.} O-O 12. Bxg6 hxg6 13. O-O-O Re8 (13... Qa5 $16) 14. Rhe1 ({White should try} 14. Qb5 $18) 14... Bxc5 15. Qxe8+ Qxe8 16. Rxe8+ Rxe8 17. Bxf6 gxf6 18. Nxd5 Kg7 {Accuracy: White = 69%, Black = 61%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "7.2"]
[White "Risting, Eivind Olav"]
[Black "De Rover, Yong Hoon"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2289"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,39,32,39,37,116,118,70,91,86,50,201,193,292,275,248,246,495,512,506,492,533,347,525,526,518,518]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 c5 6. d5 exd5 7. cxd5 g6 8. Nc3 Bg7 9. h4 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} h6 {[#]} ({Black should play} 9... O-O $14) 10. g4 $146 ({Predecessor:} 10. h5 g5 11. e4 Bxf1 12. Kxf1 Ng4 13. Bd2 d6 14. Ne2 Nd7 15. Ng3 Be5 16. Nf5 Qf6 {1-0 (28) Jianu,V (2529)-Soltanici,R (2416) Targu Mures 2019}) 10... d6 11. g5 {White is slightly better.} hxg5 12. Bxg5 Nbd7 $2 {[#] This move loses the game for Black.} (12... Qc7 $14) 13. Qa4 Qc8 (13... Bb7 {was worth a try.}) 14. Bh3 $18 b5 15. Qf4 ({Less strong is} 15. Nxb5 Bxb5 16. Qxb5 Rb8 $14) 15... Qb8 $2 (15... Qc7 {is a better defense.} 16. Bxd7+ Nxd7) 16. Ne4 {[%mdl 64] [#] Overworked Piece} Nxe4 17. Bxd7+ {[%mdl 64] Overworked Piece} (17. Qxe4+ Ne5 $18) 17... Kxd7 18. Qxf7+ {[%mdl 64] Double Attack} ({Weaker is} 18. Qxe4 Re8 $17) 18... Kc8 19. Qxg7 Re8 20. Qf7 {Accuracy: White = 100%, Black = 40%.} 1-0

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "7.3"]
[White "Blom, Vincent"]
[Black "Huynh, Laurent"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2308"]
[BlackElo "2273"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,77,41,34,29,85,85,84,82,79,78,113,115,135,63,102,58,57,63,83,65,186,55,58,54,73,59,63,31,101,96,94,96,103,104,93,103,108,103,113,98,110,83,134,131,150,122,118,120,175,130,168,166,185,64,71,0,105,31,211,208,187,159,283,341,340,275,529,497,716,702]} 1. c4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Nf3 e6 5. O-O Be7 6. d4 {A30: Symmetrical English: Double Fianchetto and Hedgehog.} d6 (6... d5 $11) 7. dxc5 $16 dxc5 8. Qxd8+ {White is better.} Bxd8 9. Nc3 {[#]} Bc7 $146 ({Predecessor:} 9... O-O 10. Be3 Be7 11. Na4 Ne4 12. Nd2 Nxd2 13. Bxd2 Bd7 14. Be3 b6 15. Rad1 Be8 16. Rd2 Rd8 17. Rxd8 Bxd8 18. b3 Bc7 19. Nxc5 Nb4 20. a3 Nc2 21. Nd3 {½-½ (21) Mowles,K-Zivanovic,A Sydney 1996}) 10. Be3 Nd7 11. Na4 (11. Ng5 $16) 11... Bd6 12. Nd2 Nd4 $1 13. Rad1 Be7 14. Ne4 Nxe2+ 15. Kh1 {[%cal Re4c5]} Nd4 $1 {[#]} 16. Nexc5 $1 {[%mdl 512]} Nxc5 17. Nxc5 Nf5 18. Nxb7 {Hoping for Nd6+.} Nxe3 (18... Rb8 $1 $14 19. Na5 (19. Bc6+ Kf8 $16) 19... Rxb2) 19. Bc6+ Kf8 20. fxe3 {Strongly threatening Nd8.} Rb8 {[#]} 21. Nd6 $1 Bxd6 22. Rxd6 {Rd8+ is the strong threat.} Ke7 23. Rd2 $36 {[%mdl 2048] Keeping Black busy.} Rb6 24. Bf3 (24. Bg2 {is more complex.} e5 25. c5 Rb5 26. Rc1 Rd8 27. Rdc2) 24... e5 25. Kg1 f5 (25... Be6 $142) 26. Bd5 g5 27. Rc1 h5 28. c5 Rg6 (28... Rb5 $16 {might work better.}) 29. Bg2 h4 30. b4 f4 31. exf4 (31. Rd5 $18) 31... gxf4 $14 32. Re1 (32. Be4 $16 Rg5 33. g4) 32... Rh5 (32... hxg3 $11 33. Rxe5+ Kf6) 33. Rd6 (33. g4 $16 Bxg4 34. Kf2) 33... Rg8 $2 ({Black should play} 33... Rxd6 $14 34. cxd6+ Kxd6) 34. Bd5 $18 Rg7 35. g4 Bxg4 (35... Rxg4+ $16 36. Kf2 f3) 36. Kf2 Bc8 37. Rc6 Kd8 $2 {[#]} (37... Bh3 38. b5 Kd8) 38. Rd1 $1 Rd7 {[#]} (38... Rhh7 $142 39. Be4+ {[%mdl 64] Discovered Attack} Rd7) 39. Rxc8+ $1 {[%mdl 512] Accuracy: White = 68%, Black = 52%.} 1-0

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "7.4"]
[White "Hautot, Stephane"]
[Black "De Ruiter, Danny"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2322"]
[BlackElo "2265"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,50,-2,-6,-5,0,-1,0,-10,-1,-26,-27,-14,0,0,9,0,0,-85,-80,-93,-81,-52,-18,-21,14,14,14,10,12,16,14,0,1,0,22]} 1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e6 6. d3 Nge7 7. Nge2 O-O 8. O-O d6 9. Rb1 {Nowadays more popular than 9.Be3.} b6 10. Be3 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} Ba6 11. a3 Nd4 12. b4 Qd7 13. f4 {[#]} Rac8 $146 ({Predecessor:} 13... Rae8 14. Bf2 f5 15. b5 Nxe2+ 16. Nxe2 Bb7 17. Qb3 Kh8 18. Rbd1 d5 19. e5 d4 {0-1 (59) Alanic,X (2284)-Guilleux,F (2345) Guingamp 2008}) 14. Bf2 Nxe2+ 15. Nxe2 Rfd8 16. Qb3 d5 17. exd5 (17. Rfd1 $11 {remains equal.}) 17... exd5 $17 18. bxc5 {[#]} dxc4 $1 19. dxc4 bxc5 (19... Qe6 $5 {[%cal Ra6c4]} 20. cxb6 Bxc4 $17) 20. Nc3 {The position is equal.} Qd3 21. Nb5 {Threatens to win with Qxd3.} Qxb3 22. Rxb3 Rd7 23. a4 Nc6 24. Rc1 Nd4 25. Re3 Kf8 {Accuracy: White = 85%, Black = 86%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "7.5"]
[White "Defromont, Benjamin"]
[Black "Grochal, Joey"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2263"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,56,23,40,16,18,4,26,17,13,13,17,10,39,20,27,0,8,10,16,8,18,-8,0,-90,-63,-75,-75,-467,-452,-462,-456,-458,-460,-556,-399,-497,-497,-537,-533,-522,-519,-575,-555,-602,-605,-603,-595,-591,-545]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Qd3 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} Nf6 7. Ndb5 Qb8 $1 8. Qg3 {[#] Black must now prevent Nc7+.White has an edge.} d6 $1 {next ...a6 is good for Black.} 9. Be3 {0-0-0 is the strong threat.} a6 10. Nd4 Be7 11. Be2 {[#]} ({But not} 11. Qxg7 Rg8 $15) 11... O-O $146 ({Predecessor:} 11... Bd7 12. f4 O-O 13. O-O-O b5 14. e5 dxe5 15. Nxc6 Bxc6 16. fxe5 Ne4 17. Nxe4 Bxe4 {0-1 (28) Alexakis,D (2470)-Beerdsen,T (2482) Anogia 2019}) 12. O-O Nxd4 13. Bxd4 e5 14. Be3 Be6 15. a4 Rc8 16. Bg5 {[#]} (16. Bh6 $11 Bf8 17. Bd3) 16... Rxc3 $1 $17 {[%mdl 576] Remove Defender} 17. bxc3 Nxe4 {[%mdl 64] Double Attack, Discovered Attack} 18. Bxe7 $4 {[%mdl 8192] Loses the game.} (18. Qe3 $17 Nxg5 19. h4) 18... Nxg3 $19 19. hxg3 Qc7 {[%mdl 64] Double Attack} 20. Bg5 Qxc3 21. Rab1 Bc4 22. Bxc4 Qxc4 {Black is clearly winning.} 23. Rxb7 h6 24. Be7 Qxc2 25. Bxd6 Qc6 26. Rb8+ Rxb8 27. Bxb8 f6 28. a5 Qc5 {Accuracy: White = 57%, Black = 90%.} 0-1

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "8.1"]
[White "Dgebuadze, Alexandre"]
[Black "Grochal, Joey"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2485"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "176"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,176,0,0,-27,-22,-37,-32,-20,-20,-22,0,0,-3,-10,-8,-18,0,-1,7,0,29,23,62,72,69,64,125,124,116,127,131,104,102,103,127,79,70,54,62,41,74,20,44,27,135,135,135,135,208,216,377,348,603,587,552,511,969,972,897,872,898,863,837,825,841,808,730,731,833,822,893,871,870,746,816,811,763,742,1213,1205,1076,1055,885,749,696,331,2149,2258,1439,707,2091,1673,1182,1094,1094,0,0,9,29980,29981,29981,29982,29980,0,0,0,0,0,0,0,0,0,0,0,0,0,29973,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. e3 Be7 5. d4 O-O 6. Bd3 dxc4 7. Bxc4 c5 8. O-O a6 9. a3 {D37: Queen's Gambit Declined: 5 Bf4.} b5 10. Ba2 Bb7 11. dxc5 {Black is slightly better.} Bxc5 12. b4 Qxd1 (12... Bd6 {is interesting.} 13. Bb2 Qe7 14. Qe2 Nbd7 15. Rac1 Nb6) 13. Rxd1 Be7 14. Bb2 Nbd7 {[%cal Bb8d7,Bd7b6,Bb6a4][%mdl 32] [#]} 15. Ne2 $146 ({Predecessor:} 15. Rac1 Rfc8 16. Bb3 Kf8 17. h3 Bxf3 18. gxf3 Ne5 19. Kg2 Nc4 20. Na4 Nxb2 21. Nxb2 Rxc1 22. Rxc1 {0-1 (37) Rodic,D (2350)-Ivanovic,B (2470) Kladovo 1992}) 15... Nb6 16. Bd4 Na4 17. Bb3 Ne4 18. Ne5 Rfd8 19. f3 Nd6 20. Rac1 {And now Rc7 would win.} Bf8 (20... Nf5 $14) 21. Nf4 $16 Rdc8 22. Rxc8 Bxc8 23. Bxa4 bxa4 24. Bc5 Nb5 25. Bxf8 Kxf8 26. Rd3 (26. Nfd3 {with more complications.} Bb7 27. Nc5 Bd5 28. Rd3 Rc8 29. Nxa4 Rc1+ 30. Kf2) 26... g6 27. g4 h6 28. h4 ({White should try} 28. Kf2 $16) 28... Ke8 29. g5 $36 {[%mdl 2048] White has the initiative.} h5 (29... hxg5 $11 {remains equal.} 30. hxg5 Ra7) 30. Ne2 $1 Ra7 31. Nc3 $1 Rc7 (31... Nxc3 $16 32. Rxc3 Bd7) 32. Nxa4 $18 Rc1+ $2 (32... Ke7 33. Nc5 a5) 33. Kf2 Ra1 $2 (33... Rc7 34. Nb6 Bb7) 34. Nb6 Ra2+ 35. Kg3 Bb7 (35... Rc2 $142 36. e4 Rc7) 36. a4 Na3 37. Rd7 Bd5 38. e4 Nc4 39. Nbxc4 Bxc4 40. Rxf7 Rxa4 {[%mdl 4096] Endgame KRB-KRN} 41. Rf6 Bb3 42. Rxg6 Kf8 43. Nd7+ Kf7 44. Rf6+ Ke7 45. Ne5 Kd6 46. Nd3 Bc4 47. Nb2 Rxb4 48. Nxc4+ Rxc4 {KR-KR} 49. Rf7 Ke5 50. g6 (50. Rh7 $142 Rc1 51. Rxh5) 50... Rc8 $2 (50... Rc2 51. g7 Rc1) 51. g7 Rg8 52. Kf2 (52. f4+ $142 Kxe4 53. f5 $1 {[%mdl 512]} exf5 54. Re7+ Kd5 55. Kf4) 52... a5 53. Ke3 a4 54. f4+ Kd6 55. f5 $2 (55. Kd2 $18 Kc6 56. Kc3) 55... exf5 $11 56. exf5 Ke5 $2 {[%mdl 8192]} (56... a3 $11) 57. f6 a3 58. Rf8 a2 {[#]} 59. Rxg8 $2 (59. f7 $1 a1=Q 60. Re8+ (60. fxg8=R Qd4+ 61. Kf3 Qg4+ 62. Kf2 Qxh4+ 63. Kg2 Qg4+ 64. Kf2 Qh4+ 65. Kg2 Qg4+ 66. Kf2 Qh4+ $11) (60. fxg8=Q Qc3+ 61. Ke2 Qc2+ 62. Kf3 Qe4+ 63. Kg3 Qg6+ 64. Kh3 Qd3+ 65. Kh2 Qc2+ 66. Kh3 Qd3+ 67. Kh2 Qc2+ 68. Kh3 Qd3+ $11) 60... Kf5 61. f8=Q+ (61. fxg8=Q Qe1+ 62. Kf3 Qf1+ 63. Ke3 Qe1+ 64. Kf3 Qf1+ 65. Ke3 Qe1+ $11) 61... Rxf8 62. gxf8=Q+ Qf6 63. Qc5+ Kg6 64. Re5) 59... a1=Q {KQ-KR} 60. Re8+ Kxf6 {( -> ...Qe1+)} 61. g8=Q Qe1+ 62. Kd3 Qd1+ 63. Kc3 Qc1+ 64. Kb3 Qd1+ 65. Ka3 Qc1+ $2 {[%mdl 8192] [#]} (65... Qd6+ $11 66. Ka4 Qd7+ 67. Ka5 Qd2+ 68. Ka6 Qd3+ 69. Ka7 Qa3+ 70. Kb6 Qb4+ 71. Kc7 Qc5+ 72. Kd8 Qd4+ 73. Kc7 Qc5+ 74. Kb8 Qb5+ 75. Ka8 Qc6+ 76. Ka7 Qa4+ 77. Kb6 Qb4+ 78. Kc7 Qc5+) 66. Kb4 $2 (66. Ka4 $1 {mates} Qc6+ 67. Kb4 Qb6+ 68. Kc3 Qc6+ 69. Kd2 Qd6+ 70. Ke1 Qb4+ 71. Ke2 Qb5+ 72. Ke3 Qc5+ 73. Kf3 Qc6+ 74. Kf2 Qc2+ 75. Kg1 Qc5+ 76. Kh1 Qc6+ 77. Kh2 Qd6+ 78. Qg3 Qd2+ 79. Kg1 Qd1+ 80. Kg2 Qd2+ 81. Qf2+ Qxf2+ 82. Kxf2) 66... Qd2+ $1 {The position is equal.} 67. Kb5 Qb2+ $1 68. Kc5 Qf2+ 69. Kd6 {[%cal Re8f8]} Qf4+ 70. Kc6 Qc1+ 71. Kb6 Qb2+ 72. Ka5 Qd2+ 73. Ka4 Qd4+ 74. Ka3 Qd6+ 75. Ka4 Qd4+ 76. Kb5 {Threatening mate with Qe6+.} Qb2+ $1 77. Kc5 Qf2+ 78. Kd6 {[%cal Re8f8]} Qf4+ 79. Kc6 Qc1+ 80. Kb6 {Qe6+ would kill now.} Qb2+ 81. Ka5 Qd2+ 82. Ka4 Qd4+ 83. Ka3 {White threatens Qe6+ and mate.} Qd6+ $1 84. Kb3 Qd1+ 85. Kb2 Qd2+ 86. Kb1 {White wants to mate with Qe6+.} Qd1+ 87. Ka2 Qd2+ 88. Ka3 {Intending Qe6+ and mate.} Qd6+ {Accuracy: White = 76%, Black = 45%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "8.2"]
[White "De Ruiter, Danny"]
[Black "Defromont, Benjamin"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2265"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,38,28,25,22,36,24,26,20,27,0,45,42,75,81,90,89,85,70,48,23,25,20,15,0,0,0,0,0,0,0,0]} 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 d6 5. g3 Nc6 6. Nc3 {A40: Unusual replies to 1 d4.} Nf6 7. Bg2 e5 8. dxe5 {White has an edge.} dxe5 9. a3 {[#]} Bc5 $146 ({Predecessor:} 9... Bxc3 10. Bxc3 Qe7 11. O-O a4 12. b4 axb3 13. Qxb3 O-O 14. Bb4 Nxb4 15. axb4 Bg4 {½-½ (28) Zilberman,Y (2481)-Gofshtein,L (2513) Haifa 2010}) 10. Bg5 Be6 11. Qb3 O-O 12. Rd1 Nd4 13. Nxd4 exd4 14. Nd5 ({Reject} 14. Bxb7 Qb8 $15) 14... Bxd5 15. cxd5 Re8 {The position is equal.} 16. Qc4 Bb6 17. O-O h6 18. Bxf6 Qxf6 19. Bf3 Re7 {Accuracy: White = 81%, Black = 81%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "8.3"]
[White "Huynh, Laurent"]
[Black "Hautot, Stephane"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2273"]
[BlackElo "2322"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,31,31,22,40,26,39,45,29,27,23,0,0,0]} 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 exd4 9. Nxd4 Ne5 10. Bf1 Re8 11. h3 Bf8 {C50: Hungarian Defence and Giuoco Pianissimo.} 12. g3 Ng6 13. Bg2 Bd7 14. Bg5 h6 {[#]} 15. Bd2 $146 ({Predecessor:} 15. Be3 a6 16. f4 c5 17. Nb3 Bc6 18. Bf2 Qc7 19. a5 Rad8 20. Qd2 h5 21. Rad1 {0-1 (43) Stetsko,L (2245)-Perunovic,M (2622) Warsaw 2013}) 15... a6 16. a5 {Black got outplayed after the opening} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "8.4"]
[White "De Rover, Yong Hoon"]
[Black "Blom, Vincent"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2370"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,52,22,8,30,27,36,43,37,0,0,0,0,0,4,4,42,27,30,50,34,-12,-20,-22,-30,-23,-10,-20,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be7 13. Kb1 O-O 14. Ne4 Nxe4 {B19: Classical Caro-Kann: 4...Bf5 main line.} 15. Qxe4 Nf6 16. Qe2 Qd5 {White is slightly better.} 17. Be3 Qb5 {17...Ng4 is vanishing.} 18. c4 {18.Rd3 injects fresh life into this line.} Qf5+ 19. Ka1 Ng4 20. Bc1 Rfd8 21. Nh4 Bxh4 $1 ({Don't play} 21... Qxh5 $6 22. f3 $16) 22. Rxh4 Nf6 {[#]} 23. Be3 $146 {Strongly threatening g4.} (23. g4 $5 {[%cal Rg4f5]} Qe4 24. Be3 $14) ({Predecessor:} 23. g4 Qe4 24. Be3 Qg2 25. g5 hxg5 26. Rhh1 g4 27. h6 Qe4 28. hxg7 Kxg7 29. f3 Qxf3 30. Qxf3 gxf3 {1-0 (37) Demir,H (1823)-Kucuksari,K (2200) Manavgat 2016}) 23... e5 24. g4 Qe6 {[#] aiming for ...exd4.} 25. dxe5 $1 Qxe5 26. Rhh1 Qe6 {Accuracy: White = 84%, Black = 88%.} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "8.5"]
[White "Beukema, Jasper"]
[Black "Risting, Eivind Olav"]
[Result "1/2-1/2"]
[WhiteElo "2329"]
[BlackElo "2289"]
[Annotator "NA RC"]
[PlyCount "11"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

{[%evp 8,11,29,23,16,17]} 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:44]} 4. Nc3 {[%emt 0:00:15]} a6 {[%emt 0:00:12]} 5. cxd5 {[%emt 0:00:15]} exd5 {[%emt 0:00:07]} 6. Bg5 $11 {[%emt 0:00:20]} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.27"]
[Round "9.1"]
[White "Risting, Eivind Olav"]
[Black "Dgebuadze, Alexandre"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2289"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "160"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,160,12,68,68,74,72,64,58,75,76,82,62,72,66,104,44,39,27,28,20,44,30,37,-21,-19,-21,-16,-27,-16,-57,-61,-77,-63,-105,-102,-100,-108,-108,-108,-108,-110,-104,-107,-134,-122,-128,-118,-116,-99,-106,-97,-118,-110,-116,-94,-93,-95,-96,-94,-96,-79,-91,-27,-54,-48,-64,-58,-47,-39,-51,-31,-39,-32,-32,0,-40,-38,-18,-23,-73,-65,-103,-100,-163,-89,-84,-60,-64,-43,-56,0,-83,0,-58,-58,-90,-90,-90,-89,-221,-211,-206,0,-381,-366,-481,-434,-487,-487,-386,-381,-473,-472,-431,-449,-427,-401,-522,-501,-517,-519,-516,-507,-480,-426,-400,-386,-602,-602,-575,-546,-527,-511,-501,-474,-1112,-1014,-921,-772,-29960,-29956,-29963,-29966,-29949,-12365,-29973,-29973,-29972,-29972,-29973,-29972,-29984,-29985]} 1. d4 e6 2. c4 d5 3. Nc3 c6 4. e4 Bb4 5. Bd3 dxc4 (5... dxe4 $11 6. Bxe4 Nf6) 6. Bxc4 $14 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} Nf6 7. e5 Nd5 8. Nge2 {White is slightly better.} b6 9. O-O O-O {[#]} 10. Ne4 $146 ({Predecessor:} 10. Bd2 Bxc3 11. bxc3 Bb7 12. Ng3 c5 13. Qg4 Ne7 14. Bg5 Qc7 15. Bxe6 fxe6 16. Qxe6+ {½-½ (33) McKeown,P (2080)-Fowler,S (2204) London 2007}) 10... Be7 11. N2g3 Ba6 12. Bxa6 ({White should play} 12. b3 $16) 12... Nxa6 13. Qe2 Nac7 14. Rd1 Kh8 15. a3 Qe8 16. f4 ({White should try} 16. Rd3 $14) 16... Rd8 $11 17. Bd2 f5 18. exf6 Nxf6 19. Ng5 Rxd4 20. Kh1 Nfd5 21. Nxe6 Nxe6 22. Qxe6 {next Nf5 is good for White.} Bf6 23. Qxe8 Rxe8 24. Re1 {[%cal Re1e8]} Re7 25. Rxe7 Bxe7 26. Nf1 Nxf4 27. Re1 Ng6 28. Bc3 Rd7 29. Ng3 Kg8 30. Nh5 Bf8 31. g4 Ne7 32. Nf4 Nd5 33. Nxd5 cxd5 $17 {[%mdl 4096] Endgame KRB-KRB} 34. Kg2 d4 35. Bd2 g6 (35... Be7 $17) 36. Kf3 Bg7 37. Ke4 d3 38. b3 Rd4+ 39. Kf3 Kf7 40. Rd1 Rd5 41. Ke4 Rd4+ (41... Ke6 {is more complex.} 42. h3 Rd4+ 43. Ke3 Rd8 44. Ke4 Rd5) 42. Kf3 $1 Bf8 43. a4 Ke6 44. Bc3 {[#]} Kd5 $1 45. g5 Bc5 46. Rd2 (46. Ba1 $17) 46... a5 (46... Be7 $19 47. Bxd4 Kxd4) 47. Rd1 Bb4 48. Bb2 Bd6 49. h3 Be5 (49... Bc5 $15) 50. Bc1 (50. Bxd4 $11 Kxd4 51. h4) 50... Bd6 51. Bb2 $1 Be7 52. h4 Rxh4 53. Rxd3+ Kc6 {Hoping for ...Rh3+.} 54. Be5 (54. Bc1 $17) 54... Bxg5 55. Bg3 Rb4 $2 ({Better is} 55... Rh1 $19 {aiming for ...Be7.} 56. Rd6+ Kc5) 56. Rc3+ $2 {[%mdl 8192]} (56. Bd6 $1 $11) 56... Kd5 $19 57. Rd3+ Rd4 58. Rc3 Bd2 59. Rc7 {Black must now prevent Rd7+.} Rd3+ {[%mdl 64] [#] Double Attack} 60. Kg2 Be3 61. Rd7+ Ke4 62. Re7+ Kf5 63. Rxh7 Rxb3 64. Re7 Bc5 65. Re5+ Kf6 {( -> ...Rxg3+)} 66. Re2 Ra3 67. Re4 g5 68. Rc4 (68. Bb8 $142) 68... Kf5 69. Bc7 Rb3 70. Rc2 Rb4 71. Ra2 Bd4 72. Kf3 (72. Bd6 $142 Rc4 73. Kh3) 72... g4+ 73. Kg2 Bb2 74. Bd8 Ke4 75. Kg3 Kd3 76. Be7 Rb3 77. Kxg4 Kc2 {Black mates.} 78. Bf6 Kb1 79. Rxb2+ Rxb2 80. Bxb2 Kxb2 {Accuracy: White = 66%, Black = 89%.} 0-1

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.27"]
[Round "9.2"]
[White "Blom, Vincent"]
[Black "Beukema, Jasper"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2308"]
[BlackElo "2329"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,6,26,29,22,4,2,0,0,-5,-2,-19,-19,-25,-17,-37,13,31,23,6,45,15,52,62,62,52,56,50,63,71,74,74,74,77,77,63,57,63,65,63,73,65,130,132,121,122,137,131,411,240,362,379,322,0,77,76,599,590,633,633,540,48,69,68,66,123]} 1. c4 e5 2. g3 Nc6 3. Bg2 f5 4. Nc3 Nf6 5. b3 g6 6. Bb2 {A25: English Opening vs King's Indian with ...Nc6 but without early d3.} Bg7 {[#]} 7. h4 $146 ({Predecessor:} 7. e3 O-O 8. Nge2 Ne7 9. d4 e4 10. d5 d6 11. h4 Ng4 12. Nf4 Ne5 13. Qc2 {1-0 (36) Rapport,R (2736)-Le,Q (2704) Hengshui 2019}) 7... d6 8. Nd5 {The position is equal.} Be6 9. Nxf6+ Bxf6 10. Bxc6+ bxc6 11. d4 Qe7 12. Qd2 a5 13. dxe5 dxe5 14. Nf3 Bf7 15. Qc3 {[%cal Rf3e5]} O-O 16. Nxe5 a4 {And now ...a3 would win.} 17. Rb1 axb3 18. axb3 Rfb8 19. O-O Bxe5 20. Qxe5 Qxe5 21. Bxe5 Ra3 22. Rfd1 Be6 $1 23. Bxc7 Rbxb3 24. Rd8+ Kf7 25. Rbd1 {Strongly threatening Rh8.} Rb7 (25... Rb2 $1 $14) 26. Rh8 $1 $16 {[%cal Rh8h7]} Kg7 27. Be5+ Kh6 28. h5 $1 {Black must now prevent Rd6.} Kxh5 $2 {[%mdl 8192]} (28... Ra5 $16 {was called for.}) 29. Kg2 (29. Rd6 $142) 29... g5 (29... Kg5 {keeps fighting.} 30. Rh1 f4) 30. Rf8 $1 $18 {[%cal Rf8f6]} Bf7 {[#]} 31. Rd6 $2 ({White has to play} 31. Rfd8 $1 $18 Re7 32. Bd6) 31... Bxc4 (31... Ra2 $11 {remains equal.}) 32. Rxf5 $16 Kg4 $2 {[%mdl 8192] [#]} (32... Bxe2 $16 33. f3 Bxf3+ 34. Rxf3 Ra2+ 35. Rf2 Rxf2+ 36. Kxf2 Kg4) 33. Rf3 $1 $18 {White wants to mate with Rd4+.} Rxf3 34. exf3+ Kf5 35. Bd4 $2 (35. Bc3 $18 {[%csl Gc3][%cal Rd6f6]} Rf7 36. g4+ Kf4 37. Rd4+ {[%mdl 64] Double Attack} Ke5 38. Rxc4+ Kd5 39. Rd4+ Kc5 40. Rd8) 35... g4 36. fxg4+ Ke4 $1 37. f3+ {Accuracy: White = 77%, Black = 52%.} ({White should play} 37. Be3 $14 Bd5 38. Kh3) 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.27"]
[Round "9.3"]
[White "Hautot, Stephane"]
[Black "De Rover, Yong Hoon"]
[Result "1/2-1/2"]
[WhiteElo "2322"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,16,19,19,35]} 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 Bd6 5. Bg3 c5 6. c3 Nc6 7. Ngf3 cxd4 8. exd4 Nh5 {[#] A rather calm draw. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} {Predecessor:} 9. Bxd6 $146 Qxd6 10. Bb5 Bd7 11. O-O O-O 12. Nb3 b6 13. Re1 a6 14. Bxc6 Bxc6 15. Ne5 Nf6 16. Nd2 {½-½ (45) Rakesh,K (2416)-Gayun,D (2260) Prague 2019} 1/2-1/2

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.27"]
[Round "9.4"]
[White "Defromont, Benjamin"]
[Black "Huynh, Laurent"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "2263"]
[BlackElo "2273"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,80,21,96,95,93,113,98,63,54,63,98,-29,-13,-31,-14,-25,-22,-63,-64,-388,-397,-379,-380,-403,-389,-507,-502,-694,-696,-916,-916,-904,-884,-1003,-784,-1197,-1154,-1489,-1460,-6359,-4730,-29987,-29988,-29991,-29992,-29992,-29986,-29986,-29987,-29987,-29988,-29988,-29988,-29988,-29989]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. h3 O-O 9. Bd3 b5 10. Bxb5 Nxe4 11. Nxe4 Qa5+ 12. Nfd2 Qxb5 13. Nxd6 Qa6 14. N2c4 Rd8 (14... Nd7 $11 {remains equal.}) 15. Bf4 $1 $16 {A70: Modern Benoni: 6 e4 g6 7 Nf3.} Nd7 {[%cal Bb8d7,Bd7b6,Bb6a4,Ba4b2][%mdl 32]} 16. O-O Nb6 {[#]} 17. Ne3 $146 {White is better.} ({Predecessor:} 17. Nxb6 Qxb6 18. Nxc8 Raxc8 19. Rb1 Qb7 20. d6 Bf8 21. Qd2 Bxd6 22. Bxd6 Rc6 23. b4 cxb4 24. Rxb4 Qd7 25. Rd1 Rxd6 26. Qxd6 Qxd6 27. Rxd6 Rxd6 28. Ra4 {½-½ (28) Sasikiran,K (2690)-Ivanchuk,V (2729) Foros 2007}) 17... Na4 18. Ne4 f5 19. Bc7 ({White should try} 19. d6 $16 Bb7 20. Nc3 Nxc3 21. bxc3) 19... Re8 $1 $11 20. Ng5 h6 $36 {[%mdl 2048] White is under pressure.} 21. Nf3 Nxb2 22. Qc2 c4 $1 23. Be5 $2 {[%mdl 8192] Now White is beyond hope.} (23. d6 $15) 23... Rxe5 $19 24. Nxe5 Bxe5 25. Rab1 c3 26. Rfe1 {If White can now play Ng4! this consolidates a bit.} Bd7 27. Ng4 Ba4 28. Qc1 Nd3 {[%mdl 64] Double Attack} 29. Nxh6+ Kh7 30. Qe3 f4 31. Qe4 Kxh6 32. d6 Rd8 33. Rbd1 Bxd1 {[%mdl 64] Discovered Attack} 34. Rxd1 c2 {Black mates.} 35. Rxd3 c1=Q+ 36. Kh2 Qf1 37. Qxe5 Qfxd3 38. Qxf4+ {[#]} g5 $1 39. Qf6+ {[#]} Qg6 $1 40. Qxd8 Qaxd6+ {Accuracy: White = 35%, Black = 89%.} 0-1

[Event "WWRR IM 2020"]
[Site "Wachtebeke"]
[Date "2020.02.27"]
[Round "9.5"]
[White "Grochal, Joey"]
[Black "De Ruiter, Danny"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2303"]
[BlackElo "2265"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2020.02.22"]
[EventType "tourn"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,29,25,23,-8,0,-2,-6,6,33,28]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Be3 Qa5 8. Qd2 Bg7 9. Nf3 O-O 10. Rc1 Rd8 11. d5 e6 12. c4 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} Qxd2+ 13. Nxd2 b6 14. Be2 Ba6 15. h4 {[#] An uneventful encounter.} {Predecessor:} Nd7 $146 16. h5 Nf6 17. hxg6 hxg6 18. dxe6 fxe6 19. e5 Nd7 20. f4 Bb7 21. Bf3 Rab8 {1-0 (37) Damljanovic,B (2612)-Santos Santos,P (2303) Barcelona 2005} 1/2-1/2

