[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "1.1"]
[White "Soubirou, Oriane"]
[Black "Roels, Frederik"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2142"]
[BlackElo "1935"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,143,18,27,31,38,28,33,27,33,27,35,46,39,39,42,25,31,29,47,51,55,35,65,60,68,68,60,68,68,68,56,63,90,51,58,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,59,33,41,9,9,0,54,54,57,47,86,61,214,214,179,61,61,61,61,61,61,28,61,61,61,61,100,61,121,121,1133,1126,1019,1006,1131,1129,1115,1093,1033,1033,784,114,622,283,1097,1060,5181,114,5089,7855,2564,2331,6853,4274,4978,3166,1897,1199,1134,1308,12667,1622,11811,12843,12840,7812,29966,29965,29961,11991,29976,29977,29978,29979,29978,29976,29967,29969,29980,29981,29984,29985,29984,29984,29991,29992]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. h3 Nc6 6. Qe3 {B53: Sicilian: 2...d6: Lines with Qxd4.} g6 7. c4 Bh6 8. Qc3 {White is slightly better.} Qa5 $1 9. Bxh6 {[#]} Qxc3+ $146 ({Predecessor:} 9... Nxh6 10. Qxa5 Nxa5 11. Nc3 Be6 12. Nd5 Kf8 13. Be2 Rc8 14. b3 Nc6 15. O-O Kg7 {½-½ (26) Sebag,M (2496)-Edouard,R (2636) Cap d'Agde 2015}) 10. Nxc3 {Bg7 is the strong threat.} Nxh6 11. Be2 f6 12. O-O Nf7 13. Nd5 {Strongly threatening Nc7+.} O-O 14. Rfd1 Rb8 15. Rac1 Be6 16. Nd4 Bxd5 17. cxd5 Nxd4 18. Rxd4 Rfc8 19. Rdc4 Rxc4 20. Rxc4 $14 {[%mdl 4096] Endgame KRB-KRN} Kf8 21. Rc7 Ke8 22. Bg4 (22. f4 $14) 22... Ne5 $11 23. Rc8+ Rxc8 24. Bxc8 {KB-KN} a5 25. Bxb7 Nd3 26. Kf1 Nxb2 27. Ke2 Kd8 28. Bc6 Nc4 29. Bb5 Ne5 ({Black should play} 29... Na3 $11 30. Bd3 Kc7) 30. Ke3 Nd7 31. Kd4 {Hoping for Bxd7.} (31. Bxd7 $5 Kxd7 32. Kd4 $14) 31... Nc5 $1 32. f4 e5+ (32... g5 $11) 33. dxe6 $1 $14 Nxe6+ 34. Ke3 h6 35. Bc4 Ng7 $2 (35... Nc7 $14) 36. Bf7 $18 g5 {[#]} 37. fxg5 (37. f5 $1 $18) 37... fxg5 $14 38. Kd4 Ke7 39. Bc4 Kd7 40. Bd5 Nh5 41. e5 dxe5+ 42. Kxe5 Ke7 {White stays focused until the end.} 43. Kf5 Nf4 {[#]} (43... Ng3+ $14 44. Kg6 Kd6) 44. Bf3 $1 $16 Kf7 $2 {[%mdl 8192] [#]} (44... Ne6 $16 45. Kg6 Nd4) 45. h4 $1 $18 {[%cal Rh4g5][%mdl 512]} Nd3 (45... gxh4 46. Kxf4) 46. hxg5 hxg5 47. Kxg5 Kg7 48. Bd5 Nb4 49. Be6 Nc2 50. g4 $2 (50. Bb3 $18 {and White stays clearly on top.} Nb4 51. a3) 50... Nd4 $2 {[%mdl 8192]} (50... a4 $16 51. Bf5 Nd4) 51. Bd5 (51. Bb3 $142 Ne2 52. Bc2) 51... a4 $2 (51... Nc2 52. Be4 Nd4) 52. Kf4 a3 53. Ke4 $2 (53. Ke3 $18 {is the precise move to win.} Nc2+ 54. Kf4) 53... Nb5 $2 {[%mdl 8192]} (53... Nc2 $16 54. Kf4 Nb4) 54. Kd3 Kf6 55. Kc4 Nc7 56. Bc6 Ke7 57. Kb4 Kd6 58. Bb7 Ne6 59. Kxa3 Ke5 60. Bc8 (60. Kb4 $142 Kd6 61. a4) 60... Nf4 61. Kb4 Nd5+ 62. Kb3 Nb6 63. Bf5 Nd5 64. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Ne7 65. Kc4 {White mates.} Nc6 66. Kb5 Kd6 67. Kb6 Ne5 68. a5 Nc4+ 69. Kb5 Ne3 70. a6 Kc7 71. Be6 Kb8 72. Kb6 {Accuracy: White = 73%, Black = 50%.} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "1.2"]
[White "Bishoen, Bob"]
[Black "Achtergaele, Koen"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1965"]
[BlackElo "2071"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,56,12,33,-27,28,-28,13,-82,20,-2,12,-16,-5,-25,-7,-37,-18,-13,-15,-39,-29,-36,-24,-47,-47,-35,-49,-57,-32,-34,12,-49,-56,-79,-83,-72,-108,-202,-196,-193,-189,-190,-127,-174,-189,-193,-184,-676,-676]} 1. Nf3 d5 2. c4 e6 3. g3 c5 4. Bg2 Nf6 5. O-O Nc6 6. Nc3 {A30: Symmetrical English: Double Fianchetto and Hedgehog.} (6. cxd5 $14 exd5 7. d4) 6... Be7 ({Better is} 6... d4 7. Nb1 h6) 7. e3 ({White should play} 7. cxd5 exd5 8. d4) 7... O-O {[#]} 8. Re1 $146 (8. cxd5 $11 exd5 9. d4) ({Predecessor:} 8. cxd5 exd5 9. d4 Bg4 10. dxc5 Bxc5 11. h3 Bh5 12. g4 Bg6 13. a3 Qd7 14. b4 Bb6 15. Bb2 Rad8 16. Ne2 Ne4 17. Nfd4 Rfe8 18. Nf4 Ne5 19. Nxg6 Nxg6 {0-1 (48) Luthardt,A (1604)-Daum,M (1918) Schney 2020}) 8... a6 (8... dxc4 $17 9. b3 cxb3 10. axb3 e5) 9. b3 Qc7 10. Bb2 d4 11. exd4 cxd4 12. Ne4 e5 13. Nxf6+ Bxf6 14. Qc2 d3 15. Qb1 Bf5 16. Bc3 e4 17. Nh4 Bxh4 $1 18. gxh4 Qf4 19. Re3 Qxh4 20. Qb2 (20. Qe1 $1 $11) 20... f6 $15 21. Rae1 {[%cal Rg2e4]} Rfe8 22. f3 {[%cal Rf3e4] [#]} exf3 $1 {[%mdl 512]} 23. Rxe8+ (23. Bxf3 $17 Qxe1+ 24. Rxe1 Rxe1+ 25. Kf2) (23. Rxf3 Rxe1+) 23... Kf7 $19 {( -> ...Qg5)} 24. Bxf3 Rxe8 25. Rxe8 Kxe8 $40 {[%mdl 128] White is in trouble.} 26. Qa1 Be4 27. Qf1 {[#]} Qg5+ $1 28. Kh1 $2 (28. Kf2 Nd4 {[%mdl 64] Deflection} 29. Bxd4 Qxd2+ {[%mdl 64] Double Attack} 30. Kg3 Qg5+ 31. Kf2 Bxf3 32. Qxd3 Qg2+ 33. Ke3) 28... Qf5 {Accuracy: White = 46%, Black = 68%.} 0-1

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "1.3"]
[White "Verduyn, Frederic"]
[Black "Vandendriessche, Jan"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2096"]
[BlackElo "2067"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,36,28,51,28,37,26,52,69,64,56,57,42,77,83,265,271,344,334,369,345,289,187,468,444,576]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 a6 5. a4 b6 6. Bc4 e6 7. O-O Ne7 8. Bf4 {B06: Modern Defence.} h6 9. Qd2 Nd7 10. Rad1 {White is slightly better.} Bb7 11. h3 Nf6 12. Rfe1 Qd7 {[#]} 13. d5 $146 ({Predecessor:} 13. Bb3 b5 14. axb5 axb5 15. d5 e5 16. Bxe5 dxe5 17. Nxe5 Qd8 18. d6 Qxd6 19. Qxd6 cxd6 20. Nxf7 {½-½ (43) Kyc,J (2251)-Bielinski,D (2073) Polanica Zdroj 2017}) 13... e5 $2 {[#]} (13... exd5 $16 {was worth a try.} 14. exd5 Kf8) 14. Bxe5 $1 $18 {[%mdl 512]} dxe5 15. Nxe5 Qd6 {[#]} 16. Nxf7 $1 {[%mdl 512]} Qc5 (16... Kxf7 17. e5) 17. Ba2 ({But not} 17. Nxh8 $6 Qxc4 18. e5 Nfxd5 $18) 17... Kxf7 $2 (17... O-O {was called for.}) 18. d6+ {[%mdl 64] Discovered Attack} Kf8 {[%mdl 32768] Black did not feel at home in the position after the opening. Accuracy: White = 84%, Black = 31%. . An unexpected result.} 1/2-1/2

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "1.4"]
[White "Van Foreest, Machteld"]
[Black "Woolacott, Samuel"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2075"]
[BlackElo "1947"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,49,58,31,33,36,39,35,40,7,24,17,22,0,7,0,5,-8,12,0,0,-20,8,0,0,-15,10,0,0,-34,19,0,77,77,81,70,82,83,68,0,202,119,156,115,102,123,272,272,708,-29,-28,-19,1446,1423,1254,1249]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 Nf6 5. e5 Nfd7 6. Ne2 {C03: French Tarrasch: Unusual Black 3rd moves.} c5 7. c3 b6 8. Nf3 {White is slightly better.} Ba6 9. Be3 Bxd3 10. Qxd3 Nc6 11. O-O {[#]} Rc8 $146 ({Predecessor:} 11... c4 12. Qd2 b5 13. Bg5 Nb6 14. Ng3 Bxg5 15. Nxg5 h6 16. Nh3 g6 17. f3 Kd7 {0-1 (64) Gioras,I (1669)-Dirlis,N (1908) Thessaloniki/Halkidiki 2019}) 12. Rac1 O-O 13. Bd2 c4 14. Qe3 b5 15. Qf4 a5 16. Qg4 Kh8 17. Nf4 Rg8 18. Nh3 {Nfg5 is the strong threat.} Qe8 19. Nfg5 {Threatens to win with Qh5!} g6 (19... f5 $15 20. Qg3 Bxg5 21. Nxg5 h6) 20. f4 h5 (20... h6 $11 21. Nf3 Qd8) 21. Qf3 $16 Kg7 22. f5 gxf5 23. Qg3 {And now Nxe6+ would win.} Kh8 24. Qf3 (24. Qh4 $14 f6 25. Nxe6) 24... f6 $2 (24... Kg7 $1 $11 {and Black stays safe.}) 25. Nxe6 (25. exf6 $18 {Hoping for f7!} Nxf6 26. Nxe6) 25... fxe5 26. Qxf5 $40 {[%mdl 128] Strongly threatening Nhg5. White wants a kill.} ({Much weaker is} 26. Qxd5 $6 Nf6 $14) 26... Qg6 {[%csl Gg8][%cal Rg6g2]} 27. Nhg5 Bf6 (27... Qxf5 $16 28. Rxf5 Rg6) 28. Qh3 $18 {aiming for Rf5.} exd4 $2 (28... Bxg5 29. Nxg5 Rg7) 29. Nf4 $2 (29. Rf5 $18 {Intending Nf7+! and mate.} Rcf8 30. Nxf8 Rxf8 31. Ne6 dxc3 32. Rxh5+ Kg8 33. Bxc3) 29... Qxg5 $11 30. Nxh5 Qh4 $2 {[%mdl 8192] [#]} (30... Qg4 $11 31. Qxg4 Rxg4 32. Nxf6 Nxf6 33. Rxf6 b4) 31. Rxf6 $1 $18 {[%cal Rf6h6][%mdl 512]} Rxg2+ (31... Nxf6 32. Qxh4) 32. Qxg2 {Accuracy: White = 68%, Black = 56%.} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "1.5"]
[White "Barzeele, Raf"]
[Black "Hamblok, Roel"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1954"]
[BlackElo "2238"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,70,36,41,33,20,2,-4,0,0,12,-26,0,-8,5,17,10,14,26,27,28,-15,-2,-4,-4,-15,-9,-16,0,-20,-15,-29,-22,-62,-48,-75,-66,-71,-59,-62,0,-72,-61,-175,-187,-174,-186,-184,-184,-168,-170,-170,-169,-178,-179,-287,-218,-200,-204,-197,-210]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. O-O c5 6. Na3 Nc6 7. Nxc4 Be7 {A13: English Opening: 1...e6.} 8. Nfe5 Nxe5 9. Nxe5 O-O {The position is equal.} 10. d3 {[#]} Nd5 $146 ({Predecessor:} 10... Nd7 11. Nxd7 Qxd7 12. Be3 Rb8 13. d4 c4 14. d5 exd5 15. Qxd5 Qa4 16. b3 Qa3 17. Qxc4 Be6 18. Qc1 Qa6 19. Bd4 Qxe2 20. Qc7 Ba3 21. Rfe1 Qa6 22. Qe5 {1-0 (22) Gourlay,I (2349)-Eggleston,D (2341) Coulsdon 2007}) 11. a4 Bf6 (11... Qc7 $5 {[%cal Rc7e5]} 12. f4 b6 $11) 12. Nc4 Re8 13. Bd2 Rb8 14. e4 Nc7 15. e5 Be7 16. Bc3 Nd5 17. Qe2 b6 18. Rfd1 Bb7 19. Be4 Bf8 20. Qc2 h6 21. b3 Qd7 22. Re1 Red8 23. Rad1 Rbc8 24. Kf1 Bc6 25. Kg1 Bb7 26. Kf1 Qc7 27. Bxd5 ({White should try} 27. Ba1 $15) 27... exd5 $19 ({Much less strong is} 27... Rxd5 28. f3 $17) 28. Nd6 d4 29. Nxb7 Qxb7 30. Bd2 Qh1+ 31. Ke2 Qxh2 {...Re8 is the strong threat.} 32. Rh1 Qg2 33. Rh4 (33. Rdg1 {was called for.} Qd5 34. f4) 33... Qd5 34. Re4 Re8 {aiming for ...f5.} 35. Qc4 Rxe5 {Accuracy: White = 64%, Black = 91%.} 0-1

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "2.1"]
[White "Roels, Frederik"]
[Black "Hamblok, Roel"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1935"]
[BlackElo "2238"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,152,0,0,-8,-9,-36,-32,-48,-29,-105,-106,-116,-122,-117,-112,-132,-126,-161,-152,-161,-168,-160,-144,-154,-154,-157,-151,-190,-139,-155,-147,-146,-141,-139,-140,-183,-159,-187,-188,-179,-138,-149,-147,-132,-140,-141,-124,-124,-123,-203,-212,-187,-189,-184,-162,-162,-162,-162,-162,-147,-136,-136,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-108,-108,-108,-108,-12850,-5632,-29955,-29956,-29942,-11697,-5708,-5435,-1358,-108,-108,-108,-108,-82,-100,-108,-108,-8,-10,-51,-5289,-4347,-828,0,0,0,-8,-8,-120,-120,-120,-120,-29983,-29984,-29984,-29985,-29986,-29987,-29989,-29975,-29974,-29972,-29975,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29980,-29981,-29984,-29985]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Nc3 c6 6. Bg5 Be7 7. Qc2 g6 8. e3 Bf5 9. Qb3 {Threatens to win with Bxf6. D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} Qb6 10. Qxb6 axb6 11. h3 {[#] Black is slightly better.} Nbd7 $146 ({Predecessor:} 11... b5 12. g4 Be6 13. Bd3 Nbd7 14. Bf4 Nb6 15. Ke2 b4 16. Nd1 O-O 17. Nd2 Ra7 18. Nb3 Rfa8 19. Nc1 Nc4 20. Rb1 Rd8 {½-½ (20) Akshat,K (2296)-Faisal,A (2175) Abu Dhabi 2005}) 12. Kd2 (12. Bh6 $11 {keeps the balance.}) 12... b5 $17 {[%cal Bb6b5,Bb5b4][%mdl 32] Hoping for ...b4.} 13. Bd3 b4 14. Nd1 Be6 15. Bh6 Ne4+ 16. Bxe4 dxe4 17. Ng5 Bd5 (17... Rxa2 18. Rxa2 Bxa2 19. Nxe4 $15) 18. f3 Bxg5 ({But not} 18... Rxa2 19. Rxa2 Bxa2 20. fxe4 $15) 19. Bxg5 exf3 20. gxf3 Bxf3 21. Rg1 Bxd1 (21... f6 $19 22. Bf4 Nb6) 22. Rgxd1 f5 23. Rdc1 Nb6 24. a3 bxa3 25. bxa3 Nd5 26. Rab1 h6 (26... Rxa3 27. Rxb7 Ra2+ 28. Kd3 $11) 27. Bf4 Nxf4 ({Inferior is} 27... Rxa3 28. Rxb7 O-O 29. Rxc6 $11) 28. exf4 $19 {[%mdl 4096] Endgame KRR-KRR} O-O-O ({And not} 28... Rxa3 29. Rxb7 O-O 30. Rxc6 $11) 29. Kc3 Rhe8 {...Re3+ is the strong threat.} 30. Re1 Kc7 31. Re5 Ra8 32. Kb3 (32. Rxe8 $17 Rxe8 33. Rg1) 32... Rxe5 $1 33. dxe5 {KR-KR} g5 34. Rg1 gxf4 35. Rg7+ Kb6 {aiming for ...Re8.} 36. Rf7 Rg8 37. Rxf5 Rg3+ 38. Kb4 Rxh3 39. Rxf4 Re3 40. Rh4 Rxe5 {Strongly threatening ...h5.} 41. Rxh6 Re4+ 42. Kb3 Kb5 43. Rh7 Re3+ 44. Kb2 b6 45. Rh2 c5 46. Rh8 Rd3 47. Rc8 Kc4 48. Rh8 Rd2+ 49. Kb1 $2 {[%mdl 8192]} (49. Kc1 $17 Ra2 50. Rh3 {[%mdl 64] Decoy}) 49... Kb3 $1 {[%cal Rd2d1]} 50. Rh3+ Ka4 $1 51. Rc3 Rh2 (51... Re2 $142 52. Ka1 Rh2 53. Kb1 Rh5 54. Re3 c4 55. Kc2 Rh2+ 56. Kc3 b5 57. Rg3 Ra2 58. Rg1 Rxa3+ 59. Kd4 c3 60. Kd3 b4 61. Rb1 Kb5 62. Rc1 Ra8 63. Ke2 Rd8 64. Kf2 Kc4 65. Rg1 b3 66. Rh1 b2 67. Rh4+ Rd4 68. Rh8 b1=Q 69. Rc8+ Kd3 70. Rh8 Rf4+ 71. Kg2 Qf1+ 72. Kg3 Rf3+ 73. Kh4 Qh3+ 74. Kg5 Qg2+ 75. Kh6 Rh3#) 52. Ka1 Kb5 53. Rb3+ Kc6 $2 (53... Ka5 $19 54. Rc3 Rh5) 54. Rg3 $17 Rd2 55. Rh3 b5 56. Rh5 Kb6 57. Kb1 c4 (57... Rf2 $17 {White must now prevent ...Re2.} 58. Rh8 Kc6 59. Rh6+ Kd5) 58. Rh8 $11 Kc5 59. Rc8+ $2 {[%mdl 8192]} (59. Rh5+ $15 Rd5 60. Rh2) 59... Kd4 $19 60. Rb8 {[#]} Rd3 $2 ({Black should try} 60... Kd3 $1 $19 61. Rxb5 Rd1+ 62. Ka2 c3 63. Rd5+ Ke2) 61. Rxb5 $11 Rxa3 62. Rh5 Rg3 63. Ra5 (63. Kc2 $11) 63... Kd3 $17 {And now ...Rg1+ would win.} 64. Rd5+ Kc3 65. Rd1 $2 {[%mdl 8192]} (65. Rc5 $17) 65... Kb3 {Black mates.} 66. Rf1 Rg2 67. Kc1 c3 68. Kd1 Ra2 69. Rf8 Ra1+ 70. Ke2 c2 71. Rb8+ Ka2 72. Ra8+ Kb2 73. Rb8+ {[#]} Kc1 $1 74. Rb7 Rb1 75. Rh7 Rb8 76. Rg7 Kb2 {Accuracy: White = 69%, Black = 82%.} 0-1

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "2.2"]
[White "Woolacott, Samuel"]
[Black "Barzeele, Raf"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1947"]
[BlackElo "1954"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,109,54,58,77,73,78,62,71,52,59,51,47,31,28,23,45,37,38,36,39,37,33,0,33,38,55,52,77,63,100,65,122,117,123,123,120,104,113,111,104,102,92,116,149,70,143,63,95,58,118,55,141,141,141,141,191,172,183,169,170,156,191,130,246,131,134,112,112,112,144,139,369,383,631,606,588,574,335,321,1560,914,1391,895,2466,1102,1196,1091,1118,1033,987,322]} 1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Bd3 O-O 7. h3 Re8 8. Nf3 Na6 9. O-O Nc7 10. Re1 e6 11. a4 {[%cal Ba2a4,Ba4a5][%mdl 32] 11.a4 was played by the boomers.} a6 {E90: King's Indian: Classical: Early deviations and 6 h3.} 12. a5 Rb8 13. Na4 {[#]} Bd7 $146 {White is slightly better.} ({Predecessor:} 13... Nd7 14. Bg5 Bf6 15. Bf4 b5 16. axb6 Nxb6 17. e5 Be7 18. exd6 Bxd6 19. Ne5 Qf6 {0-1 (47) Handke,F (2518)-Iturrizaga Bonelli,E (2603) Barcelona 2011}) 14. Bd2 exd5 15. cxd5 Bb5 16. Bc3 Bxd3 17. Qxd3 Nb5 18. Nb6 Nd7 19. Bxg7 Kxg7 20. Nc4 f6 21. Ra4 Rc8 22. Na3 Nxa3 23. Qxa3 Ne5 24. Nd2 g5 25. Nc4 Re7 (25... Nxc4 $14 26. Rxc4 Re7) 26. Ne3 $1 $16 Rec7 27. Nf5+ Kh8 28. h4 Qd7 29. hxg5 fxg5 30. Ra1 Rg8 31. Qc3 Rg6 32. b3 (32. b4 $16) 32... Kg8 {[#]} (32... Rc8 $14) 33. R4a2 (33. b4 $1 $16) 33... Rf6 34. f3 Qd8 (34... h5 $14) 35. g3 (35. Qe3 $16) 35... Rg6 (35... g4 $14) 36. Kg2 Qf8 37. Rh1 h6 38. Rf2 Rf7 39. g4 Rh7 40. Kg3 Rf6 41. Rfh2 (41. Rb2 $18) 41... Kf7 (41... Kh8 $16 42. Kf2 Rg6) 42. Rh5 ({Better is} 42. b4 $18 {Threatens to win with bxc5.} c4 43. Kg2) 42... Kg8 43. R1h2 Rg6 44. Qa1 Rf6 45. Qh1 $36 {[%mdl 2048] Strongly threatening Rxg5+! White is in control.} Rg6 $2 {Now Black is done in.} (45... Nf7 $16 {was necessary.} 46. R2h3 Rg6) 46. Rxh6 $18 Rgxh6 $2 (46... Rhxh6 47. Rxh6 (47. Nxh6+ Rxh6 48. Rxh6 Qf4+ 49. Kh3 Nxf3 $11) 47... Qf6) 47. Rxh6 Rxh6 48. Nxh6+ Kg7 {intending ...Qf4+.} 49. Nf5+ Kg6 $2 (49... Kg8 50. Qh5 Qf6 51. Qe8+ Kh7 52. Qh5+ Kg8 53. Qe8+ Kh7) 50. Qh5+ {White is clearly winning.} Kf6 51. Qh7 Nf7 52. Kf2 (52. f4 $142 Nh8 {[#]} 53. e5+ $1 {[%mdl 512]} dxe5 54. fxg5+ Kxg5 55. Qh5+ Kf6 56. g5+ Kxf5 57. Qf3+ Kxg5 58. Qxf8) 52... Ne5 53. Qxb7 Nf7 54. Qd7 {[%csl Gd5][%cal Rd7e6]} Kg6 55. Qe6+ $2 {[%mdl 32768] Accuracy: White = 66%, Black = 50%. . Loss on time!?} (55. Ke3 Qh8 56. Ne7+ Kh7 57. Qf5+ {[%mdl 64] Double Attack} Kg7 58. Qe6) 0-1

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "2.3"]
[White "Vandendriessche, Jan"]
[Black "Van Foreest, Machteld"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2067"]
[BlackElo "2075"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,64,0,0,1,8,0,48,49,68,69,75,73,77,77,94,75,133,65,95,65,85,93,87,47,75,75,86,34,112,55,70,-313,-310,-295,-293,-298,0,0,36,19,290,-357,-370,-491,-354,-971,-896,-1375,-1354]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. Re1 b5 9. exd5 exd5 10. a4 {[%cal Ba2a4,Ba4a5][%mdl 32] C00: French: Unusual White 2nd moves.} b4 11. d4 {[#]} Qb6 $146 {[#]} ({Predecessor:} 11... Bg4 12. dxc5 Bxc5 13. Nb3 Bb6 14. h3 Bh5 15. Bg5 a5 16. Qd3 h6 17. Be3 Rc8 18. Bxb6 Qxb6 {1-0 (33) Tkachiev,V (2649)-Jakovenko,D (2713) Khanty-Mansiysk 2013}) 12. a5 $1 {[%mdl 512] White is slightly better.} Qc7 (12... Nxa5 13. Rxe7) 13. dxc5 $1 Bg4 14. Nb3 Qd7 15. Be3 Rfe8 16. Qe2 Rad8 (16... Ne4 $142) 17. Rad1 (17. Qa6 $16) 17... Qf5 18. Qd3 Qh5 19. Bf4 Ne4 20. h4 Bf6 21. Rb1 {Nh2 is the strong threat.} Bf5 22. Qb5 (22. Qa6 $16 Bd7 23. Red1) 22... Re6 (22... Bd7 $14) 23. Nh2 ({White should play} 23. Bd6 $16 Rc8 24. Qb7 Rxd6 25. cxd6 Nxd6 26. Qa6) 23... Bd4 $14 24. Rf1 $2 {[%mdl 8192]} (24. Be3 $14 {keeps the upper hand.} Bxe3 25. Rxe3) 24... Bxf2+ $1 $19 25. Rxf2 Nxf2 26. Kxf2 a6 $2 (26... Bxc2 $19 27. Re1 Rxe1 28. Kxe1 Ne5) 27. Qb6 $1 $11 {Black must now prevent Nd4!} ({Much worse is} 27. Qxa6 Bxc2 28. Re1 Nb8 $17) 27... Qe2+ $1 28. Kg1 {aiming for Nd4!} Bxc2 $2 {[%mdl 8192] [#]} (28... Qxc2 $11 29. Nd2 Rde8) 29. Bf3 $4 {[%mdl 8192]} (29. Nd4 $1 $18 {[%cal Rd4e2][%mdl 512] was the only winning move.} Nxd4 30. Qxd8+ {[%mdl 64] Double Attack} Re8 31. Qxd5) 29... Qd3 $19 30. Bg4 Bxb3 (30... Bxb1 $2 31. Bxe6 fxe6 32. Qxc6 $19) 31. Bxe6 $2 (31. Rf1 Rf6 32. Rf2) 31... Qxb1+ {[%mdl 64] Double Attack} 32. Kg2 Qe4+ {[%mdl 64] Double Attack. Accuracy: White = 38%, Black = 53%.} 0-1

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "2.4"]
[White "Achtergaele, Koen"]
[Black "Verduyn, Frederic"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2071"]
[BlackElo "2096"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,40,24,38,6,17,0,12,7,24,-16,0,-17,12,14,37,43,48,11,17,-122,-124,-125,-133,-164,-147,-460,-445,-454,-450,-539,-525,-533,-522]} 1. d4 d6 2. Nf3 Bg4 3. Qd3 Nd7 4. e4 e6 5. Nbd2 Ngf6 {[#]} 6. Be2 $146 {A41: 1 d4 d6: Tartakower System and Modern Defence.} ({Predecessor:} 6. h3 Bh5 7. g4 Bg6 8. Nh4 c5 9. c3 cxd4 10. cxd4 d5 11. Nxg6 dxe4 12. Nxe4 hxg6 13. Nxf6+ Nxf6 {1-0 (57) Pliva,V-Soukup,V Czechia 1995}) 6... Be7 7. O-O O-O 8. Re1 {The position is equal.} Bh5 9. h3 Bg6 10. Qe3 d5 {[%cal Rd5e4]} 11. Bd3 c5 12. e5 Ne8 13. c3 cxd4 14. Nxd4 {[#]} (14. cxd4 $11 a5 15. Nb1) 14... Nxe5 $1 $17 {[%mdl 512]} 15. Bb5 (15. Qxe5 Bxd3) 15... Bd6 16. f4 Nd7 17. Nxe6 $2 {[%mdl 8192] This costs White the game.} (17. Bxd7 $17 {is a better chance.} Qxd7 18. N2f3) 17... fxe6 $19 {Black is clearly winning.} 18. Qxe6+ Bf7 ({Less strong is} 18... Rf7 19. Bxd7 Qxd7 20. Qxd7 $19) 19. Qxd7 Qb6+ 20. Kh1 Nf6 {Accuracy: White = 40%, Black = 91%.} 0-1

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.22"]
[Round "2.5"]
[White "Soubirou, Oriane"]
[Black "Bishoen, Bob"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2142"]
[BlackElo "1965"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,41,56,46,40,51,47,31,39,41,56,63,68,57,48,36,65,59,57,42,50,46,54,12,64,58,63,6,13,11,1,-15,-7,-10]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 e6 5. Bb3 Ne7 6. O-O O-O {B06: Modern Defence.} 7. Re1 Nd7 8. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} e5 {White is slightly better.} 9. c3 h6 10. Nf1 Kh7 {[#]} 11. h4 $146 ({Predecessor:} 11. Ng3 Nc6 12. Be3 Qe8 13. h3 a6 14. Nh2 Na5 15. Bc2 Nc4 16. Bc1 exd4 17. b3 {1-0 (40) Nielsen,R (2338)-Hamitevici,V (2519) Heraklion 2017}) 11... Nc6 12. Ng3 Qe8 13. h5 Nf6 14. Nh2 Nxh5 15. Nxh5 gxh5 16. Qxh5 f5 (16... exd4 $11 17. Ng4 Bxg4 18. Qxg4 Qe5) 17. Qxe8 $14 Rxe8 18. exf5 (18. dxe5 $1 $14 dxe5 19. exf5) 18... Bxf5 $11 {The position is equal.} 19. d5 Ne7 20. Be3 Rg8 21. Rad1 {Accuracy: White = 85%, Black = 84%.} 1/2-1/2

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.23"]
[Round "3.1"]
[White "Bishoen, Bob"]
[Black "Roels, Frederik"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "1965"]
[BlackElo "1935"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,81,20,18,37,0,37,14,36,35,130,137,166,157,160,147,173,170,208,202,229,231,231,212,246,213,269,264,262,255,262,263,270,277,277,267,361,0,270,231,228,223,232,218,233,163,162,163,162,150,155,134,200,200,945,0,0,0,0,0,921,920,1753,641,649,650,29983,29984]} 1. Nf3 d5 2. c4 e6 3. g3 c5 4. Bg2 Nf6 5. O-O Be7 6. e3 O-O 7. Nc3 Nc6 8. cxd5 exd5 9. d4 Ne4 {D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} 10. Ne2 c4 11. Nd2 f5 {[#] The position is equal.} 12. b3 $146 ({Predecessor:} 12. f3 Nf6 13. a3 b5 14. Nc3 Qb6 15. b3 f4 16. gxf4 Nxd4 17. Nxc4 dxc4 18. Qxd4 Qxd4 19. exd4 cxb3 {0-1 (32) Solovchuk,M (2088)-Vilchenko,M (2235) Vladivostok 2006}) 12... Be6 ({Black should play} 12... cxb3 $14 13. Qxb3 Na5) 13. bxc4 $16 {Black must now prevent Nf4.} Nxd2 14. Qxd2 {And now Nf4 would win.} Bf7 15. c5 Qd7 16. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Bg5 17. Rb1 Bh6 18. Qb2 Rab8 19. Bd2 g5 20. f4 g4 21. a5 a6 22. Qa2 Rfd8 23. Rb6 Rbc8 24. Rfb1 Rc7 25. Qb3 Rb8 26. Qa2 $2 (26. Nc3 $18) 26... Bg7 $2 {[%mdl 8192]} (26... Rd8 $1 $11 {and Black is okay.} 27. Nc1 Bg7) 27. Bf1 h5 28. Kf2 Re8 29. Qb3 {[%cal Rb6b7]} Re7 30. Qd3 h4 31. Bg2 Bf6 32. Nc1 {[%cal Be2c1,Bc1d3,Bd3f2][%mdl 32]} Kg7 33. Qc3 Qe8 (33... h3 $16) 34. Nd3 $18 Nxd4 $2 (34... Be6 35. gxh4 Bxh4+ 36. Kg1 Qh5) 35. exd4 $2 ({Only move:} 35. Rxf6 $18 Nb5 {[#]} 36. Rxb5 $1 {[%mdl 512]} axb5 37. Rxf5+ Kh7 38. Rg5) 35... Re2+ $11 36. Kg1 Rxg2+ $1 {[%mdl 64] [#] Remove Defender} 37. Kxg2 Qe2+ $2 {[%mdl 8192]} (37... Qe4+ $11 38. Kf1 (38. Kg1 $2 h3 $19) 38... Qh1+ 39. Ke2 Qf3+ {[%mdl 64] Double Attack} 40. Ke1 Qh1+ 41. Ke2 Qf3+ {[%mdl 64] Double Attack} 42. Ke1 Qh1+ 43. Ke2) 38. Nf2 $18 Rxc5 39. Qe3 h3+ 40. Kg1 Qc4 41. Rxf6 {Accuracy: White = 72%, Black = 51%.} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.23"]
[Round "3.2"]
[White "Verduyn, Frederic"]
[Black "Soubirou, Oriane"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2096"]
[BlackElo "2142"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,79,25,-1,32,7,0,14,41,30,28,25,72,103,149,141,155,150,150,147,152,121,125,114,252,260,215,193,211,147,210,183,139,89,123,66,244,225,823,793,1209,1194,1194,1179,1315,1295,1333,1302,1267,1181,1353,1292,1519,1517,1638,1602,1583,1567,5714,3264,29987,29985,29989,29990,29989,29988,29991,2562,29987,1895,29992,29993]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 Qc7 {C02: French: Advance Variation.} 7. Be2 f6 {[%cal Rf6e5]} 8. Bf4 c4 {The position is equal.} 9. O-O {[#]} Qb6 $146 ({Predecessor:} 9... O-O-O 10. b4 h6 11. a4 g5 12. Be3 f5 13. a5 a6 14. Na3 f4 15. Bd2 Nge7 {0-1 (42) Torboust,R (1870)-Barsov,A (2465) Metz 1996}) 10. Qc2 Be7 11. Nbd2 $36 {[%mdl 2048] White has strong initiative.} f5 12. b3 cxb3 13. Nxb3 Na5 14. Nxa5 Qxa5 15. Rab1 Qc7 16. Qb3 b6 (16... Bc6 $16 17. Bb5 Qd7) 17. c4 $18 Bc6 18. Rfc1 {Black must now prevent cxd5.} Qd7 19. Qe3 {And now cxd5 would win.} Kf8 20. cxd5 Bxd5 21. Bc4 h6 22. h4 ({Better is} 22. Bxd5 $16 Qxd5 23. Qd3) 22... Be4 $2 (22... Bd8 $14) 23. Qb3 Bxb1 $2 (23... Kf7 24. h5 Bd8) 24. Bxe6 Qd8 25. Qxb1 g6 {[#]} 26. h5 $1 {[%mdl 512]} Bxa3 (26... gxh5 27. Qxf5+) 27. hxg6 Kg7 28. Rc3 Qe7 29. Bxf5 Rf8 30. g4 Bb4 31. Rc4 a5 32. d5 b5 33. Rc6 Qb7 34. Nd4 {[%cal Rd4e6]} Re8 {[#]} 35. Bc8 $1 {[%mdl 512]} Qxc6 (35... Rxc8 36. Ne6#) 36. dxc6 Ne7 37. Bf5 Nd5 38. Bg3 (38. Qb3 $142 h5 39. Qxd5 Re7 40. Ne6+ Rxe6 {[%mdl 64] Remove Defender} 41. Qxe6 Rf8 42. Qd7+ Be7 43. Qxe7+ Rf7 44. gxf7 hxg4 45. f8=Q#) 38... h5 39. Ne6+ (39. Bd7 $142 Rhf8 40. Bxe8 Ne7 41. Ne6+ Kg8 42. Nxf8 Kg7 43. Qb3 Nd5 44. Qxd5 Kh6 45. Bf4+ Kg7 46. Qf7+ Kh8 47. Qh7#) 39... Kg8 40. Qb3 {Accuracy: White = 79%, Black = 39%.} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.23"]
[Round "3.3"]
[White "Van Foreest, Machteld"]
[Black "Achtergaele, Koen"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2075"]
[BlackElo "2071"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,118,5,11,10,9,3,25,2,21,0,0,0,6,0,0,0,0,0,0,0,0,0,0,10,6,0,10,0,25,25,34,22,18,19,21,24,31,30,32,0,63,63,70,60,66,55,50,25,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-14,0,-8,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-16,-8,-103,-8,-8,-14,-105,-98,-29964,-29967,-29962,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Nf6 6. Ngf3 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} Qxc5 7. Bd3 Nbd7 8. Qe2 {White has an edge.} Qc7 9. O-O Nc5 10. Bc4 Bd6 {[#]} 11. Bb5+ $146 ({Predecessor:} 11. b3 a6 12. a4 b6 13. Bb2 Bb7 14. Rfd1 O-O 15. Bxf6 gxf6 16. Qe3 Bf4 17. Qc3 {0-1 (28) Zherebukh,Y (2605)-Akobian,V (2645) Saint Louis 2017}) 11... Bd7 12. Bxd7+ Ncxd7 13. Nc4 Bc5 14. Be3 O-O 15. Rad1 Bxe3 16. Nxe3 Rac8 17. Rd2 Nb6 18. Nd4 Nbd5 19. Nxd5 exd5 20. f3 Rfe8 21. Qf2 Qa5 22. a3 Qb6 23. c3 a6 24. Qg3 Qc7 (24... Re3 $11) 25. Qxc7 $14 Rxc7 26. Kf2 Kf8 27. Rfd1 Nd7 28. Nf5 Nb6 $1 29. Ne3 Rce7 30. Rd3 Nc4 31. Nxc4 $1 Re2+ 32. Kf1 dxc4 33. R3d2 Rxd2 34. Rxd2 $11 {[%mdl 4096] Endgame KR-KR} Re6 35. Kf2 Ke7 36. f4 Rh6 37. h3 Rd6 38. Rxd6 Kxd6 {KP-KP} 39. g4 Kd5 {And now ...Ke4 would win.} 40. Ke3 f6 41. h4 g6 42. Kf3 f5 43. gxf5 gxf5 44. Ke3 Kc5 45. a4 (45. h5 $1 $11 {was the only way to keep the balance.}) 45... b6 (45... h5 $17) 46. h5 h6 47. Kd2 (47. Kf2 $11 {remains equal.}) 47... b5 $17 48. Ke2 $2 {[%mdl 8192] [#]} (48. axb5 $17 Kxb5 49. Ke3) 48... bxa4 49. Kd2 a5 $2 (49... Kb5 {mates} 50. Kc1 Kc5 51. Kd2 Kd6 52. Ke3 a3 53. bxa3 Kc5 54. Kd2 Kd5 55. Ke3 Kc5 56. Kd2 Kc6 57. Ke3 Kd5 58. a4 Kc5 59. Kf3 Kd6 60. Kf2 Kd5 61. Ke3 a5 62. Kf3 Kd6 63. Ke3 Kc5 64. Kf2 Kd6 65. Ke3 Kd5 66. Kf3 Ke6 67. Ke3 Kd5) 50. Ke3 $11 {The position is equal.} Kd5 51. Kf3 Kc6 52. Ke3 Kc5 53. Kd2 $1 Kb5 {( -> ...a3!)} 54. Kc2 {[#]} a3 $1 {[%mdl 512]} 55. bxa3 Ka4 (55... Kc5 $5 56. Kd2 $8 Kc6 $11) 56. Kb2 Kb5 57. Kc2 Kc6 (57... Ka4 $5 58. Kb2 $8 Kb5 59. Kc2 $11) 58. Kd2 Kc5 59. a4 Kd5 {Accuracy: White = 79%, Black = 90%.} 1/2-1/2

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.23"]
[Round "3.4"]
[White "Barzeele, Raf"]
[Black "Vandendriessche, Jan"]
[Result "1/2-1/2"]
[ECO "A24"]
[WhiteElo "1954"]
[BlackElo "2067"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,55,4,32,12,31,29,25,28,40,35,42,31,36,21,13,-54,-41,-33,-37,-60,-17,-19,-13,-14,0,0,254,222,289,247,504,502,490,498,850,822,828,828,719,260]} 1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d3 a5 8. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} Nbd7 9. Rb1 Nc5 10. b4 {A24: English Opening vs King's Indian: Lines without ...Nc6.} axb4 11. axb4 Ne6 12. Bb2 {White has an edge.} Nh5 {[#]} 13. Qc2 $146 ({Predecessor:} 13. Ra1 Rxa1 14. Qxa1 f5 15. b5 g5 16. Nd2 g4 17. Qa8 b6 18. Bb7 Bxb7 19. Qxb7 {½-½ (29) Valdes Romero,L (2444)-Gonzalez Fuente,C (2269) Barbera del Valles 2013}) 13... f5 14. Ra1 Rb8 15. Ra7 g5 16. Na4 (16. Nd2 $11) 16... g4 $15 17. Nd2 f4 18. Re1 Ng5 {aiming for ...Qf6.} 19. Nc3 c6 20. Nce4 fxg3 21. hxg3 Nxg3 $2 {[%mdl 8192]} (21... Nh3+ $1 $11 {and Black stays safe.} 22. Bxh3 gxh3) 22. fxg3 $18 Nxe4 23. Nxe4 Bh6 $2 ({Reject} 23... Qb6+ 24. c5 $18) (23... h5 {was worth a try.} 24. d4 d5 25. cxd5 cxd5) 24. Bc1 {White is clearly winning.} Bxc1 25. Qxc1 ({Less strong is} 25. Rxc1 Qb6+ 26. c5 Qxa7 $14) 25... Qb6+ (25... Bf5 $142 26. Qe3 Bxe4 27. Bxe4 Kh8) 26. c5 Qxa7 {[#]} 27. Qg5+ $1 Kh8 {[#]} 28. Nxd6 $2 {[%mdl 32768] Accuracy: White = 88%, Black = 60%. . An unexpected result.} (28. Qe7 $1 {[%cal Re7f8][%mdl 512]} Be6 29. Nxd6) 1/2-1/2

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.23"]
[Round "3.5"]
[White "Hamblok, Roel"]
[Black "Woolacott, Samuel"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "2238"]
[BlackElo "1947"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,45,41,50,66,70,72,54,81,75,77,74,81,81,91,72,69,70,94,97,93,80,236,216,263,223,327,324]} 1. d4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. c4 c6 7. Nbd2 Nbd7 8. Qc2 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bd6 {E09: Closed Catalan: Main Line: 7 Qc2 c6 8 Nbd2.} 12. Rd1 Qe7 13. Bf4 {[#]} Nf6 $146 {White is slightly better.} ({Predecessor:} 13... Bxf4 14. Qxf4 Qf6 15. Qe3 Qe7 16. Rd2 Nb6 17. Qb3 Qc7 18. a4 a5 19. Qc3 Bd7 {1-0 (79) Veinberg,N (2370)-Magen,D (2161) Israel 2018}) 14. Qe3 Bxf4 15. Qxf4 Bd7 16. Ne5 Red8 17. c5 Nd5 18. Qd2 b5 19. a4 a6 20. Qa5 Rdc8 $2 {[#]} (20... Be8 $16) 21. axb5 $18 cxb5 22. Re1 {c6! is the strong threat.} Qd8 (22... Qe8 $142 23. Bxd5 exd5) 23. Bxd5 {Accuracy: White = 100%, Black = 67%.} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "4.1"]
[White "Roels, Frederik"]
[Black "Woolacott, Samuel"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1935"]
[BlackElo "1947"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,39,51,39,37,51,46,53,55,112,117]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Nc3 Be7 6. Bg5 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6][%mdl 32]} 7. e3 c6 8. Bd3 O-O 9. Qc2 Re8 10. O-O Nf8 11. Rab1 g6 12. b4 a6 13. a4 Ne6 14. Bh4 Ng7 15. b5 axb5 16. axb5 Bf5 17. bxc6 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} bxc6 18. Ne5 Bxd3 19. Qxd3 Qc7 (19... Qd6 $14) 20. Rfc1 {[#] Black did not feel at home in the position after the opening.} {Predecessor:} Qd6 $146 21. Ne2 Rec8 22. Bg3 Qa3 23. Qxa3 Bxa3 24. Rxc6 Rxc6 25. Nxc6 Rc8 26. Rb8 Rxb8 27. Bxb8 Ne6 28. Nc3 Bb2 29. Ne7+ Kf8 30. Nexd5 {1-0 (30) Croad,N (2278)-Kumar,M (1962) Auckland 2017} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "4.2"]
[White "Vandendriessche, Jan"]
[Black "Hamblok, Roel"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2067"]
[BlackElo "2238"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,84,-1,0,5,0,-8,-15,0,-31,0,0,7,0,43,51,93,90,79,79,78,64,124,108,125,47,49,39,105,119,178,160,304,315,306,296,364,356,365,367,420,417,467,381,835,837,779,460,1008,1002,1018,1035,1025,1009,29986,29987,29987,29988,29988,29989,29989,29987,29987,29988,29990,29991,29997,29998,29998,29999,29999]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7 6. Nbd2 {[%cal Bb1d2,Bd2e4,Be4c5][%mdl 32]} O-O 7. e4 Nbc6 8. exd5 Nxd5 9. Re1 Nb6 {A07: Réti Opening: New York and Capablanca Systems.} 10. Ne4 h6 11. Be3 {[#]} f5 $146 {The position is equal.} ({Predecessor:} 11... Nd5 12. Bd2 Re8 13. Qc1 f5 14. Nc3 Nxc3 15. Bxc3 Qd6 16. Nd2 Be6 17. Bxc6 bxc6 {½-½ (76) Golubov,S (2481)-Moskalenko,A (2490) Moscow 2016}) 12. Nc5 Qd6 13. c3 Kh7 14. Nb3 {Black should prevent Bc5.} Rd8 15. d4 $1 f4 16. Bd2 fxg3 17. hxg3 exd4 18. Bf4 Qf6 (18... Qf8 $14 19. Nbxd4 (19. Nfxd4 Nxd4 20. cxd4 c6 $14) 19... Nxd4 20. cxd4 Bg4) 19. Bxc7 $16 Rf8 20. Bxb6 ({Much worse is} 20. cxd4 $6 Bg4 $11) (20. Nbxd4 $16 Nxd4 21. Qxd4 (21. cxd4 Bg4 $16)) 20... axb6 $14 21. Nbxd4 Bg4 {White leaves nothing to chance now.} ({Better is} 21... Nxd4 $14 22. cxd4 Bg4) 22. Qc2 Rac8 (22... Rae8 $16 {keeps fighting.} 23. Rxe8 Rxe8) 23. Re4 $18 Bf5 (23... Nxd4 $16 24. Nxd4 Qg5) 24. Nxf5 gxf5 25. Rf4 Kh8 26. Nh4 {[%cal Rf4f5]} Ne7 27. Re1 {[#] Hoping for Rxe7!} ({Don't do} 27. Bxb7 Rc5 $18) 27... Rc7 28. Bh3 Qg5 29. Re6 Nd5 $2 (29... Rc6) 30. Rxf5 Rxf5 31. Qxf5 Qd8 (31... Qxf5 $142 32. Nxf5 b5 33. Re8+ Kh7) 32. Qg6 {[#] White threatens Re8+ and mate.} Nf6 33. Nf5 Qd1+ 34. Kh2 Qf3 35. Rxf6 {White mates.} Qxf2+ 36. Bg2 Bxf6 37. Qxf6+ Kh7 38. Qxh6+ Kg8 39. Qg5+ Kh7 40. Kh3 b5 41. Qh6+ Kg8 42. Bd5+ Rf7 43. Qg7# {[%mdl 64] Pin. Accuracy: White = 82%, Black = 33%.} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "4.3"]
[White "Achtergaele, Koen"]
[Black "Barzeele, Raf"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2071"]
[BlackElo "1954"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,49,23,29,19,27,8,39,37,70,0,74,0,8,11,13,14,82,82,70,70,60,73,83,43,247,164,514,489,440,389,376,282,386,261,319,254,333,331,325,337,335,327]} 1. e3 d5 2. c4 Nf6 3. Nf3 g6 4. cxd5 Nxd5 5. d4 Bg7 6. e4 {A10: English Opening: Unusual Replies for Black.} Nb6 7. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Bg4 8. a5 {White is slightly better.} N6d7 {[#]} 9. Bc4 $146 (9. Be2 $14) ({Predecessor:} 9. Nc3 O-O 10. Be3 c5 11. dxc5 Nc6 12. Be2 Nxa5 13. Qa4 Nc6 14. O-O e6 15. Rac1 {½-½ (42) Tikkanen,H (2515)-Hammer,J (2620) Stockholm 2017}) 9... Bxf3 (9... O-O $11) 10. gxf3 ({White should try} 10. Qxf3 $16 {[%csl Gc4][%cal Rf3f7]} O-O 11. e5) 10... e6 $11 11. Nc3 $36 {[%mdl 2048] White is pushing.} Nc6 12. Be3 e5 {[#]} (12... O-O $11 {keeps the balance.}) 13. d5 $1 $16 {[%cal Rd5c6]} Nd4 14. Nb5 Nxb5 15. Bxb5 a6 16. Ba4 Qe7 $2 {This costs Black the game.} (16... O-O $14) 17. Qc2 Qb4+ $2 (17... Qd8 {is a better chance.} 18. Rc1 b5) 18. Ke2 $18 Qd6 19. Bc5 Qf6 20. Rhd1 {[#] Black must now prevent Bxd7+.} Qd8 21. Ra3 Bf8 {White has a decisive advantage.} 22. Rc3 {Strongly threatening Bxf8.} Rc8 23. Bb6 Bd6 {intending ...0-0.} 24. Rc1 {[%cal Rb6c7]} O-O 25. Bxc7 {Accuracy: White = 58%, Black = 33%.} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "4.4"]
[White "Soubirou, Oriane"]
[Black "Van Foreest, Machteld"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2142"]
[BlackElo "2075"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,37,-7,0,0,25,14,46,0,22,-8,37,0,0,-27,0,0,0,-23,0,0,0,-48]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. Re1 b5 9. exd5 exd5 10. a4 {C00: French: Unusual White 2nd moves.} bxa4 11. Rxa4 {[#]} Bg4 $146 ({Predecessor:} 11... Bd7 12. Ra1 h6 13. b3 Be6 14. Bb2 Nd7 15. Rxe6 fxe6 16. Qe2 e5 17. Ng5 Nf6 {1-0 (40) Malakhov,V (2689)-Xu,Y (2522) China 2018}) 12. h3 {White is slightly better.} Be6 13. Nf1 Qd7 14. Rh4 h6 15. g4 (15. Bxh6 $5 gxh6 16. Rxh6 $15) 15... Nh7 16. Rh5 Nf6 17. Rh4 Nh7 18. Rh5 Nf6 19. Rh4 {An uneventful encounter. Accuracy: White = 66%, Black = 63%.} 1/2-1/2

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "4.5"]
[White "Bishoen, Bob"]
[Black "Verduyn, Frederic"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "1965"]
[BlackElo "2096"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,31,43,50,60,55,33,48,36,47,-39,-44,-47,-43,-43,-52,-63,44,0,0,15,102,41,59,8]} 1. Nf3 d6 2. d4 Bg4 3. c4 Nd7 4. Nc3 g6 5. e4 Bxf3 6. Qxf3 {A41: 1 d4 d6: Tartakower System and Modern Defence.} Bg7 7. Be3 c5 {[#]} 8. O-O-O $146 ({Predecessor:} 8. Qd1 cxd4 9. Bxd4 Bxd4 10. Qxd4 Ngf6 11. Be2 a6 12. O-O O-O 13. Rfd1 Rc8 14. Bf1 {½-½ (32) Lalic,B (2425)-Willmoth,R (2152) London 2016}) 8... Qa5 9. g4 ({White should try} 9. Kb1 $14) 9... cxd4 10. Bxd4 Bxd4 11. Rxd4 Ngf6 12. h3 O-O (12... h5 $15) 13. Qd1 Rfc8 14. Kb1 b5 (14... Rc6 $11) 15. g5 ({But not} 15. Nxb5 $6 Ne5 $11) (15. cxb5 $16 Nc5 16. Rc4) 15... b4 $14 {[%mdl 64] [#] Discovered Attack} 16. Nd5 $1 {Accuracy: White = 58%, Black = 64%.} 1/2-1/2

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "5.1"]
[White "Verduyn, Frederic"]
[Black "Roels, Frederik"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2096"]
[BlackElo "1935"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,41,47,58,69,45,23,39,-18,-33,-89,-74,-74,75,-23,310,276,276,277,462,429,367,283,577,531,775,754,773,763,913,903,853,788,1531,769]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bg4 5. h3 Bh5 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} e6 7. d3 {[#]} Nge7 $146 ({Predecessor:} 7... Rc8 8. c3 Nf6 9. Nbd2 Be7 10. Nf1 O-O 11. Ng3 Bg6 12. Nh4 d5 13. Nxg6 hxg6 {½-½ (81) Quintin Navarro,A (2357)-Ubilava,E (2498) Linares 2017}) 8. g4 (8. Bg5 $14) 8... Bg6 $11 9. b4 ({White should try} 9. c4 $15) 9... cxb4 $17 10. a3 {[%cal Ba2a3,Ba3b4,Bb4b5][%mdl 32]} Qb6 {[#]} (10... a6 $17 {stays on course.} 11. Bxc6+ Nxc6) 11. c4 ({White should play} 11. Ba4 $1 $16) 11... O-O-O $2 {[%mdl 8192] Loses the game.} (11... bxc3 $1 $11 {and Black stays safe.} 12. Nxc3 a6) 12. axb4 $18 d5 13. Be3 Qc7 $2 (13... d4) 14. Bxc6 Nxc6 15. b5 Na5 $2 {[#]} (15... d4) 16. cxd5 {White is clearly winning.} exd5 17. Qa4 b6 18. Rc1 Nc4 19. dxc4 dxe4 20. Qa6+ Kb8 21. Nd4 {Accuracy: White = 62%, Black = 26%.} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "5.2"]
[White "Van Foreest, Machteld"]
[Black "Bishoen, Bob"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2075"]
[BlackElo "1965"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,137,49,40,45,33,48,33,44,38,56,52,42,45,77,71,64,58,68,43,49,33,36,17,25,22,25,2,0,13,7,0,0,0,19,19,19,19,20,22,29,25,94,88,68,70,158,174,214,230,230,223,241,233,236,230,346,338,313,160,142,127,116,110,133,106,109,102,106,78,91,98,181,176,196,197,173,81,81,75,81,81,237,238,293,286,438,430,420,407,373,357,406,416,416,335,335,316,718,695,914,888,29978,29979,29979,29980,29980,29979,29984,29985,29983,29984,29984,29985,29984,29985,29985,29986,29987,29987,29987,29988,29988,29989,29989,29990,29990,29991,29991,352]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 e6 5. Bb3 Ne7 6. O-O O-O {B06: Modern Defence.} 7. Re1 Nbc6 8. c3 e5 {White is slightly better.} 9. h3 h6 10. Be3 {[#]} Kh7 $146 ({Predecessor:} 10... Na5 11. Nbd2 Nxb3 12. Qxb3 b6 13. Rad1 Be6 14. Qa3 f6 15. Nf1 Qc8 16. Bc1 Rf7 {½-½ (30) Bogorad,M (2092)-Fiedler,W (1994) Templin 2018}) 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. f4 Bg7 14. Bd4 Nc6 15. Bxg7 Kxg7 16. Nd2 Qh4 17. Qf3 g5 18. Rf1 Qxf4 19. Qxf4 gxf4 20. Rxf4 Ne5 21. Nc4 Nd3 22. Rf3 Nc5 23. Bc2 Be6 24. Ne3 Nd7 25. Raf1 $36 {[%mdl 2048] White has good play.} f6 (25... a6 $11 {keeps the balance.}) 26. Bb3 Bxb3 27. axb3 Nc5 (27... Rae8 $14) 28. Nd5 $16 Nxe4 29. Nxc7 Nd2 30. Rg3+ ({Not} 30. Nxa8 Nxf3+ 31. Rxf3 (31. gxf3 Rxa8 32. Rd1 Rd8 $14) 31... Rxa8 $14) 30... Kf7 31. Rf4 ({Weaker is} 31. Nxa8 Nxf1 32. Kxf1 Rxa8 $14) 31... Rac8 32. Nd5 Ke6 (32... f5 {was necessary.} 33. Rxf5+ Ke6) 33. c4 $18 f5 34. Rg7 (34. Re3+ $18 Kd7 35. Re7+ Kc6 36. Rh7) 34... Rf7 $16 35. Rxf7 {[%mdl 64] Overworked Piece} Kxf7 36. Rxf5+ {[%mdl 4096] Endgame KRN-KRN} Ke6 37. Rh5 Nxb3 38. Rxh6+ Ke5 39. Rh4 Nd2 40. Ne3 Rc7 {[#]} (40... Rf8 $16 {might work better.}) 41. Kf2 $1 $18 Ne4+ 42. Ke2 Rf7 {intending ...Rf2+.} 43. Nd5 (43. Rh5+ $18 {is more deadly.} Ke6 44. Rh8) 43... b5 $16 44. Ke3 Ng3 {Strongly threatening ...Nf5+.} 45. Kd3 Rg7 $2 {Black cannot hold the game after this.} (45... Rf2 $16) 46. Ne3 $18 b4 47. Rh8 Re7 (47... Ke6 $142 48. Nd5 a5 49. Re8+ Kd7) 48. Nd5 Rg7 49. Re8+ Kf5 50. Re3 a5 51. b3 Nh1 52. g4+ Kg5 53. Rf3 Kh4 $2 (53... Ra7 54. Kd4 a4 55. bxa4 Rxa4 56. Rf5+ Kh4 57. Rh5+ Kg3) 54. Ne3 {Hoping for Nf5+.} Ng3 {[#]} 55. Rxg3 $1 {[%mdl 576] And now Nf5+ would win. Remove Defender} Kxg3 56. Nf5+ {[%mdl 64] Double Attack. White mates.} Kxh3 57. Nxg7 Kxg4 {KN-K3P} 58. Ne8 d5 59. cxd5 {KN-KPP} Kf5 60. Kc4 Ke5 61. Nc7 Kd6 62. Nb5+ Kd7 63. Kc5 Kd8 64. Kc6 a4 65. bxa4 b3 66. Nc3 b2 67. d6 Kc8 68. d7+ Kd8 69. Nb1 {Accuracy: White = 83%, Black = 61%.} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "5.3"]
[White "Barzeele, Raf"]
[Black "Soubirou, Oriane"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1954"]
[BlackElo "2142"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,91,-26,-19,-45,-3,7,32,21,29,29,60,54,60,54,55,41,52,56,60,54,57,54,62,21,79,91,108,48,55,8,20,-46,-50,-46,-54,-60,-45,-125,-120,-119,-117,-192,-202,-193,-188,-191,-185,-216,-183,-172,-111,-146,-166,-170,-130,-138,-104,-202,-202,-233,-216,-377,-394,-395,-393,-377,-256,-492,-503,-518,-334,-534,-523,-523,-529,-883,-404,-414,-396,-394,-403,-1019,-1011,-29999]} 1. c4 e5 2. g3 h5 3. Bg2 h4 4. Nc3 Nc6 5. d3 Bc5 6. Ne4 {A20: English Opening: 1...e5.} Be7 {[#]} 7. g4 $146 ({Predecessor:} 7. Nh3 d6 8. a3 a5 9. Neg5 Nd4 10. Bd5 Nh6 11. Bg2 a4 12. f4 Bg4 13. Nf3 {0-1 (51) Berntgen,H (1658)-Wagner,H (2093) Zirndorf 2013}) 7... d6 8. h3 {White is slightly better.} Be6 9. Nf3 f6 10. Bd2 d5 11. cxd5 Bxd5 12. Nc3 Be6 13. Qa4 Qd7 14. O-O Bc5 15. Ne4 Bb6 16. Rac1 Nb8 (16... Nge7 $11) 17. Qxd7+ $16 Nxd7 18. a3 ({White should try} 18. a4 $16 {Threatens to win with a5.} a5 19. Be3) 18... Ne7 $14 19. Bb4 Nd5 20. Bc5 (20. e3 $11) 20... Nf4 $15 21. Rfe1 Nxc5 22. Nxc5 Bd5 23. Na4 (23. Ne4 $15) 23... c6 24. Nxb6 axb6 25. Rc3 (25. Kh2 $17) 25... Bxf3 $1 $19 {[%mdl 64] Overworked Piece} 26. Bxf3 Nxh3+ 27. Kh2 {[#]} Ng5 $1 ({And not} 27... Nxf2 28. Kg2 $11) 28. Bh1 Ke7 29. e3 Ra5 ({Better is} 29... Kd6 $19 30. f4 exf4 31. exf4 Ne6) 30. Rb3 b5 31. f4 Nf7 32. d4 Ra4 33. d5 {[#]} (33. dxe5 $17 {was called for.} fxe5 34. Rd3) 33... Rc4 $1 34. Rd3 c5 35. b3 $2 (35. d6+ {was worth a try.} Nxd6 36. Re2) 35... Rc2+ 36. Kh3 Kd6 37. Be4 Rh6 38. Ra1 $2 (38. Bf5) 38... c4 39. bxc4 Rxc4 40. Bh1 (40. Bf5 {is a better defense.} exf4 41. exf4 Rxf4 42. Ra2) 40... exf4 41. exf4 Rxf4 42. Rb1 Ng5+ (42... Rf2 $142 {[%cal Rf7g5]} 43. Bg2 Ng5+ 44. Kh2 h3 {[%mdl 64] Pin}) 43. Kh2 b4 44. Rdb3 Rh8 45. Rxb4 (45. R1b2 $142 Rc8 46. Rxb4 Rxb4 47. Rxb4) 45... Rf2+ 46. Kg1 Nh3# {Accuracy: White = 42%, Black = 63%.} 0-1

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.24"]
[Round "5.4"]
[White "Hamblok, Roel"]
[Black "Achtergaele, Koen"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2238"]
[BlackElo "2071"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,95,9,20,25,18,27,18,10,10,10,10,12,12,12,12,9,6,9,17,5,95,96,98,73,72,49,51,50,59,69,54,77,76,64,64,64,66,38,92,71,71,0,0,-21,-23,-25,0,-8,-8,-8,-8,-23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. c4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5 11. Qc2 Be4 12. Qc1 $1 {12.Qc1 is better than 12.Qd1.} h6 13. Bxf6 {E05: Open Catalan: 5 Nf3 Be7.} Bxf6 14. Rd1 a5 15. Nc3 {[%cal Bb1c3,Bc3e4,Be4d2,Bd2c4][%mdl 32]} Bxf3 16. Bxf3 c6 17. e3 Na6 18. Ne4 Be7 19. Nd2 {[#]} Qc7 $146 ({Predecessor:} 19... Nb4 20. Qc4 Qc7 21. Rac1 Rfd8 22. Qb3 Re8 23. Be4 Red8 24. Kg2 Rac8 25. Nc4 Bf6 {½-½ (37) Gmuer,A (2406)-Korosec,S (2354) ICCF email 2008}) 20. Nc4 Rfd8 21. Qb1 c5 (21... Bf6 $11) 22. d5 $16 exd5 23. Bxd5 Nb4 24. Qe4 Rab8 25. Rd2 Nxd5 26. Rxd5 Rxd5 27. Qxd5 b5 28. axb5 Rxb5 29. Qa8+ Bd8 30. Qe4 {[#] Threatens to win with Qe8+.} Rb4 (30... Qd7 $14) 31. Qe8+ Kh7 32. Rd1 ({White should play} 32. Nxa5 $16 {Strongly threatening Nc6.} Bf6 33. Nc6 Rxb2 34. Qe4+ (34. Ra8 Qd6 $11) 34... g6 35. Qd5) 32... Rxc4 $11 33. Qxd8 (33. Rxd8 {with more complications.} Qb7 34. Qg8+ Kg6 35. Rd6+ Kh5 36. Rd1) 33... Qxd8 34. Rxd8 {[%mdl 4096] Endgame KR-KR} Rc2 35. Rb8 a4 36. Rb6 Rc4 37. Rc6 Rb4 38. Rxc5 {The position is equal.} Rxb2 39. Ra5 Ra2 40. h4 g6 41. Kg2 h5 42. Ra7 Kg7 43. Ra6 a3 44. Kf3 Ra1 45. Kg2 Kf8 46. Ra7 Ke8 47. Kf3 Kf8 48. Kg2 {Accuracy: White = 92%, Black = 87%.} 1/2-1/2

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.25"]
[Round "6.1"]
[White "Roels, Frederik"]
[Black "Vandendriessche, Jan"]
[Result "1-0"]
[ECO "E83"]
[WhiteElo "1935"]
[BlackElo "2067"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,105,31,29,34,22,27,10,29,2,22,-9,0,-17,21,-2,0,-11,-13,-14,-8,-23,0,-134,-131,-141,-117,-210,-71,-102,-60,-66,-52,-91,-9,-18,220,-84,0,0,0,0,0,-16,176,0,8,16,0,-31,65,78,69,50,458,475,456,430,810,573,5736,5728,1238,604,1021,1023,954,852,729,716,695,692,4409,4210,1204,1029,3074,5022,1914,1900,1183,1119,5859,5219,29970,29967,29978,29979,29983,29984,29984,29981]} 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. f3 O-O 6. Bd3 Nc6 7. Nge2 e5 8. d5 Nd4 9. Be3 Nd7 {E83: King's Indian: Sämisch Panno (6...Nc6): Lines without either Nge2 or Qd2.} 10. Qd2 c5 {[#]} 11. Bg5 $146 ({Predecessor:} 11. dxc6 bxc6 12. O-O Rb8 13. Rad1 Nc5 14. Bb1 Nce6 15. b3 f5 16. f4 Rb7 17. exf5 gxf5 18. fxe5 dxe5 {0-1 (34) Abdul,K (2010)-Tiwari,A (2179) New Delhi 2015}) 11... Bf6 {The position is equal.} 12. h4 a6 13. Nd1 b5 14. Nf2 h5 15. Nxd4 {Strongly threatening Nc6.} exd4 16. f4 bxc4 17. Bxc4 Nb6 18. Be2 Re8 19. Qd1 (19. O-O $11 {remains equal.}) 19... Kg7 $17 20. a4 a5 21. Kf1 {[#]} (21. Qd2 $17) 21... c4 (21... Be7 $1 $19 {has better winning chances. Hoping for ...f6.} 22. Bxe7 Rxe7) 22. g4 d3 23. Bf3 hxg4 24. Bxg4 Bxg5 (24... Rh8 $17 25. Bxc8 Rxc8) 25. hxg5 $11 f6 $2 (25... Rh8 $1 $11) 26. f5 $2 (26. Qd2 $18) 26... Rh8 (26... fxg5 $17 27. Qf3 Qf6) 27. Qf3 {aiming for fxg6.} Rxh1+ $1 28. Qxh1 fxg5 29. fxg6 Kxg6 $2 {[#]} (29... Qh8 $11 {and Black has nothing to worry.} 30. Qf3 Qe8) 30. Bf5+ $2 (30. Qh5+ $1 $18 Kg7 31. Kg2) 30... Bxf5 31. exf5+ Kg7 $1 {And now ...Qf6 would win.} 32. Qe4 Qe8 (32... Qf6 33. Ng4 $18) (32... Nd7 $15 33. Ng4 Qf8) 33. Qd4+ $14 {[%mdl 64] Double Attack} Qe5 34. Qxb6 {Black must now prevent Qb7+.} Qe2+ $2 {[%mdl 8192]} ({Black should play} 34... Rf8 $1 $14 35. Re1 Qxd5) 35. Kg2 $18 ({Weaker is} 35. Kg1 Rf8 $18) 35... Rf8 36. Qd4+ Rf6 (36... Qe5 $142 37. Qxc4 Rxf5) 37. Rc1 g4 38. Rxc4 {White threatens Rc7+ and mate.} Qf3+ 39. Kf1 {Threatening mate with Rc7+.} g3 40. Qg4+ Qxg4 41. Rxg4+ {[%mdl 4096] Endgame KRN-KR} Kf7 42. Rxg3 Rxf5 43. Rxd3 Rf4 44. b3 Kf6 45. Ke2 Ke5 46. Nd1 Rh4 47. Kd2 Rh2+ 48. Kc3 Rh4 49. Nb2 Rh1 50. Nc4+ {[%mdl 64] Double Attack. White mates.} Ke4 51. Nxd6+ Ke5 52. Nc4+ {[%mdl 64] Double Attack} Ke4 53. Rd4+ {Quite a comeback for White. Accuracy: White = 54%, Black = 43%.} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.25"]
[Round "6.3"]
[White "Soubirou, Oriane"]
[Black "Hamblok, Roel"]
[Result "0-1"]
[ECO "E52"]
[WhiteElo "2142"]
[BlackElo "2238"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,108,0,3,22,-12,0,-8,-13,-39,-19,-63,-32,-88,-79,-88,-78,-90,-72,-79,-50,-78,52,41,53,56,174,128,135,77,106,97,402,311,270,255,268,266,413,139,106,27,39,0,137,0,0,0,0,-136,-125,-151,-100,-88,-91,-90,-88,-91,-91,-127,-20,-19,-22,-249,-246,-251,-228,-264,-252,-366,-366,-443,-436,-464,-447,-566,-532,-574,-427,-795,-796,-29981,-29982,-29979,-29974,-29983,-29984,-29984,-29985,-29988,-29990,-29995,-29996]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. e3 O-O 6. Qc2 b6 7. Bd3 Bb7 8. Bd2 Nbd7 9. cxd5 exd5 10. O-O a6 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6.} 11. Rac1 Re8 12. Ne2 Bd6 {The position is equal.} 13. Ng3 g6 {[#]} 14. a3 $146 ({Predecessor:} 14. Bc3 Qe7 15. b3 h5 16. Ne5 h4 17. Ne2 Rac8 18. f4 Ne4 19. Be1 c5 20. Qd1 {1-0 (26) Klekowski,M (2498)-Goessler,M (2209) Katowice 2017}) 14... Rc8 15. Bb4 ({White should try} 15. b4 $15) 15... c5 $17 16. dxc5 bxc5 17. Bd2 Ne4 18. Rfd1 Qe7 19. Be1 h5 (19... Ng5 $17 20. Nxg5 Qxg5) 20. Nxe4 $14 dxe4 21. Bc4 Nf6 (21... Nb6 $14 22. Nd2 Nxc4 23. Nxc4 Bc7) 22. Bc3 Rcd8 23. g3 (23. Ng5 $142 Bxh2+ 24. Kh1) 23... Nh7 24. Nh4 {Black must now prevent Nxg6.} Ng5 $2 {[%mdl 8192]} (24... Nf8 $16) 25. Nxg6 Nf3+ 26. Kh1 Qg5 27. Nh8 Re6 (27... Kh7 $142) 28. Nxf7 $2 (28. Qb3 $1 $18 {and the rest is easy.} Bc8 29. Qb6) 28... Kxf7 $16 {[#]} 29. Ba5 ({But not} 29. Bxe6+ $6 Kxe6 30. Qb3+ Bd5 $11) ({White should play} 29. Qb3 $1 $16 {[%cal Rb3b7]} Bc8 30. Qb6) 29... Rd7 $11 30. Qb3 Qf5 (30... Qe7 $11 {keeps the balance.}) 31. Bxe6+ (31. Rxd6 $1 $16 Rdxd6 32. Qxb7+ Kg6 33. Bc3) 31... Qxe6 32. Qxe6+ Kxe6 33. Kg2 (33. b4 $1 $11) 33... Bd5 34. b4 {[#]} Bb3 (34... c4 $142 $1 35. h4 Be5) 35. bxc5 $17 Bxd1 36. c6 Rf7 {And now ...Be2 would win.} 37. Rxd1 Bc7 38. Bc3 Rf5 ({Better is} 38... h4 $17 {Threatening ...h3+!} 39. Rb1 Kd5 {[%mdl 64] Decoy}) 39. Rd7 $11 Rc5 40. Bb4 $2 (40. Rxc7 $11 Rxc3 41. Rh7) 40... Rxc6 $19 41. Rh7 {[#]} h4 $1 42. gxh4 {Now Rh6+ and White clings on.} Kf5 ({Weaker is} 42... Bxh2 43. Rh6+ Kd7 44. Rh7+ Kc8 45. Rh8+ Kb7 46. h5 $17) (42... Nxh2 43. Rxc7 Rxc7 44. Kxh2 $17) 43. Rf7+ (43. Kh3 $142) 43... Kg4 44. h3+ Kxh4 45. Re7 Be5 {( -> ...Rc1)} 46. Rh7+ Kg5 {...Rc1 is the strong threat.} 47. h4+ Nxh4+ 48. Kh3 (48. Kf1 $142) 48... Nf3 49. Rb7 Rc2 {Black mates.} 50. Kg2 Kg4 51. Rb6 Nh4+ 52. Kf1 Kf3 53. Be1 {[#]} Rc1 $1 54. Rh6 Bc3 {Never resign too early! Accuracy: White = 38%, Black = 57%.} 0-1

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.25"]
[Round "6.4"]
[White "Bishoen, Bob"]
[Black "Barzeele, Raf"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "1965"]
[BlackElo "1954"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,81,30,43,43,47,39,76,63,143,165,162,154,205,204,213,212,208,204,202,163,161,177,154,155,152,143,134,140,143,137,166,160,353,356,297,149,229,222,286,277,258,0,287,277,260,215,402,374,375,0,387,280,331,320,310,297,443,225,401,272,687,646]} 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 c5 6. Bg2 Nc6 7. d4 cxd4 8. Nxd4 a6 9. O-O Qc7 10. Nc3 d6 11. h3 Bd7 12. Nc2 {A39: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6 6 0-0 0-0 7 d4.} Rac8 {[#]} 13. Ne3 $146 ({Predecessor:} 13. Rc1 Qb8 14. Nd5 Nxd5 15. Bxg7 Kxg7 16. cxd5 Na7 17. Qd2 Rc7 18. Ne3 Rfc8 19. Rc4 Rxc4 20. bxc4 {½-½ (36) Stantic,S (2125)-Miletic,D Nova Gorica 2001}) 13... Qb8 14. Qd2 {White is better.} Bh6 ({Better is} 14... Be6 $14) 15. Ncd5 $16 Nxd5 16. cxd5 (16. Qxd5 Bxe3 17. fxe3 Be6 $11) 16... Na7 {[#]} (16... Nd8 $16 {was called for.} 17. Nf5 gxf5 18. Qxh6 f6) 17. Nf5 $1 $18 {[%cal Rf5h6][%mdl 512]} Bxf5 18. Qxh6 {[%csl Gb2][%cal Rh6g7]} f6 19. g4 $40 {[%mdl 128] Black is in trouble.} Bd7 20. Be4 {Black must now prevent Bxg6!} Rf7 21. Rac1 Rxc1 22. Rxc1 Nb5 23. a4 Nc7 24. Bd4 b5 25. a5 Ne8 26. b4 f5 $2 {[#]} (26... Bc8 $16 27. Qe3 Kf8) 27. gxf5 Bxf5 28. Bf3 (28. Bxf5 $18 {Be6! would kill now.} Rxf5 29. Qe3) 28... Nf6 (28... Bd7 $16 {keeps fighting.} 29. Bg2 Nf6) 29. Rc6 Bc8 {intending ...Bb7.} 30. Qc1 Bb7 31. Rc7 $2 ({Resist} 31. Rb6 $6 Nd7 $16) (31. Rc2 $18) 31... Ne8 $2 {[%mdl 8192]} (31... e5 $11 32. Bb6 Rxc7 33. Bxc7 Qc8) 32. Rc3 Nf6 33. e4 h5 $2 (33... Qf8) 34. Qh6 Rh7 35. Qc1 Rf7 $1 36. Kh2 Kh7 37. Bg2 Qe8 38. f4 Qb8 (38... e5 $142) 39. Kg3 (39. f5 $142 {fxg6+ is the strong threat.} gxf5 40. Qg5 (40. exf5 Rg7 $16)) 39... Ne8 $2 (39... Qh8) 40. h4 e5 $2 (40... Nf6 41. Rc7 Kg8) 41. dxe6 {Accuracy: White = 70%, Black = 39%.} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.25"]
[Round "6.5"]
[White "Verduyn, Frederic"]
[Black "Van Foreest, Machteld"]
[Result "1/2-1/2"]
[ECO "C25"]
[WhiteElo "2096"]
[BlackElo "2075"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,31,-21,-21,-22,-20,-23,5,5,9,0,52,14,24,-22,48,7,29,21,17,18,30,24,26,22]} 1. e4 e5 2. Bc4 Nc6 3. Nc3 Bc5 4. d3 Na5 5. Nf3 Nxc4 6. dxc4 {C25: Vienna Game: Alternatives to 2...Nf6.} d6 7. Qd3 {[#]} a6 $146 (7... Ne7 {keeps more tension.} 8. a3 a5 9. Rb1 O-O 10. O-O Nc6) ({Predecessor:} 7... Nf6 8. Be3 Bb4 9. Nd2 Ng4 10. h3 Nxe3 11. Qxe3 O-O 12. Nd5 Bc5 13. Qg3 c6 14. Ne3 Be6 15. O-O Qf6 16. Ng4 Qg6 17. Kh2 f5 {0-1 (17) Eklund,J (2091)-Anand,A (2134) ICCF email 2015}) 8. Be3 {The position is equal.} Bxe3 9. Qxe3 Nf6 (9... b6 $11) 10. O-O-O Qe7 11. h3 Bd7 ({Black should try} 11... b5 $11) 12. g4 {next g5 is good for White.} (12. c5 $5) 12... h6 13. Rhg1 Bc6 14. Nd5 Bxd5 15. cxd5 g6 16. Kb1 {Not much happened in this game. Accuracy: White = 54%, Black = 63%.} 1/2-1/2

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "7.1"]
[White "Van Foreest, Machteld"]
[Black "Roels, Frederik"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2075"]
[BlackElo "1935"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,103,27,20,29,16,22,23,29,0,24,12,7,8,8,-7,34,34,29,29,32,25,52,51,79,13,71,76,89,64,121,125,241,250,294,176,171,177,185,153,163,146,295,295,283,152,189,189,189,189,200,190,214,210,206,150,277,57,66,0,0,0,13,11,22,0,0,0,0,-53,8,-22,0,-67,-63,-144,0,0,193,189,256,254,761,755,733,718,693,581,29975,29976,29973,690,29997,29998,29998,29993]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 a6 5. Ba4 b5 6. Bc2 e5 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 7. O-O Ngf6 8. Re1 Be7 {White has an edge.} 9. d3 Qc7 10. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3][%mdl 32]} Bb7 11. Nf1 O-O {[#]} 12. Bg5 $146 ({Predecessor:} 12. Ng3 Rfc8 13. a4 Bf8 14. axb5 axb5 15. Rxa8 Bxa8 16. d4 cxd4 17. cxd4 h6 {½-½ (17) Wehner,J (2164)-Schneider,C (2205) Germany 2018}) 12... a5 13. a4 b4 14. Ne3 Rfe8 15. Bb3 Nf8 16. Bc4 Bc8 17. Nh4 (17. cxb4 $16 axb4 18. Bb5) 17... h6 (17... Ne6 $1 $11 18. Bxf6 Bxf6) 18. Bxf6 $16 Bxf6 19. Nhf5 Kh7 (19... Bxf5 $14 20. Nxf5 Ne6) 20. Bb5 $36 {[%mdl 2048] Strongly threatening Nd5. Keeping Black busy.} Bd7 (20... Re6 $16 21. Nd5 Qd8) 21. Nd5 $18 Qd8 22. Bxd7 (22. Nxd6 $142 Bxb5 23. Nxf7 (23. Nxb5 Ne6 $18) (23. Nxe8 Bxe8 24. Qf3 Ne6 $17)) 22... Nxd7 23. Nxd6 {[%mdl 64] Double Attack} Rf8 24. Qf3 Ra6 25. Qf5+ g6 (25... Kg8 $16) 26. Qxd7 $1 Rxd6 27. Qxd8 (27. Qb5 $18) 27... Rfxd8 28. cxb4 cxb4 29. Rac1 Bg5 30. Rc5 Ra6 31. g3 h5 32. f4 Bf6 (32... exf4 $16 {was called for.} 33. gxf4 Bf6) 33. fxe5 $2 (33. Nxf6+ $18 Rxf6 34. fxe5 (34. Rxe5 Rxd3 35. Rxa5 Rd2 $16)) 33... Bxe5 $14 {And now ...Bd4+ would win.} 34. Kg2 (34. Rc2 $14) 34... Bxb2 $11 35. Rc7 Kg7 36. Rf1 Rf8 37. Rd7 Be5 38. Rb7 Bd4 39. Rd7 (39. Rc1 $11) 39... Be5 ({Black should play} 39... Ra7 $15 40. Nc7 Kh6 41. Rxd4 Rxc7) 40. Re7 Bd4 41. Nc7 ({White should try} 41. Rd7 $1 $11) 41... Rc6 $15 42. e5 {[#]} (42. Nb5 $1 $15 Rc2+ 43. Kf3) 42... Bxe5 (42... b3 $1 $17 {[%cal Rb3b2] ...b2 is the strong threat.} 43. Nb5 Rc2+ 44. Kh3 Bc5) 43. Ne8+ $11 {[#]} Kh6 $2 (43... Rxe8 $1 $11 {[%mdl 512]} 44. Rxe8 Bf6) 44. Rxe5 $18 Rc3 (44... f5 $142 45. Kf3 Rc3) 45. Nd6 Rxd3 $2 (45... f5 46. Rxa5 Rxd3) 46. Nxf7+ ({Less strong is} 46. Nc4 Rc8 $18) 46... Kg7 47. Re7 {Black must now prevent Ne5+.} Rd2+ 48. Kh3 Rb8 49. Ne5+ Kh6 50. Rff7 (50. g4 $142 hxg4+ 51. Nxg4+ Kh5 52. Nf6+ Kg5 53. Ne4+ {[%mdl 64] Double Attack} Kh6 54. Nxd2 Rh8 55. Rff7) 50... Ra2 51. Rh7+ Kg5 52. Ref7 {Accuracy: White = 58%, Black = 47%.} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "7.2"]
[White "Barzeele, Raf"]
[Black "Verduyn, Frederic"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "1954"]
[BlackElo "2096"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,69,29,0,26,25,36,-28,0,-26,-39,-180,-55,-231,-127,-135,-97,-95,-89,-84,-91,-100,-98,-97,-89,-97,-78,-116,-83,-127,-127,-90,-32,-146,-23,-25,-24,-25,0,-65,0,-2,-2,-5,24,21,13,-22,0,0,66,68,71,65,59,0,65,0]} 1. c4 d6 2. g3 e5 3. Bg2 f5 4. d3 Nf6 5. Nc3 c6 6. Nf3 Be7 7. O-O O-O 8. c5 Qe8 {A21: English Opening: 1...e5 2 Nc3.} 9. cxd6 Bxd6 {[#]} 10. Qa4 $146 (10. e4 $14) ({Predecessor:} 10. b4 Kh8 11. Rb1 Nd5 12. Qb3 Be6 13. Ng5 Nxc3 14. Qxc3 Bxa2 15. Ra1 Bg8 16. Bb2 {0-1 (24) Zlotnikov,M (2385)-Minasian,A (2545) New York 1993}) 10... Na6 $11 {[%cal Bb8a6,Ba6c5,Bc5e6,Be6d4][%mdl 32] Black has an edge.} 11. a3 Nc5 12. Qh4 (12. Qd1 $15) 12... h6 (12... Nb3 $19 13. Rb1 h6) 13. Nd2 $2 {[#]} (13. d4 $15 exd4 14. Qxd4) 13... Ng4 (13... Be7 $1 $19 14. Bh1 {[#]} f4 $1 {[%mdl 512]}) 14. Bf3 $17 Be7 15. Qh3 Ne6 16. Bxg4 fxg4 17. Qg2 Nd4 18. Nde4 Be6 19. Be3 b5 20. Rac1 a5 21. f4 gxf3 $1 22. exf3 b4 (22... Qd7 $17 {Threatens to win with ...Bh3.} 23. g4 c5) 23. axb4 (23. Bxd4 $1 $15 exd4 24. Nb1) 23... axb4 ({But not} 23... Bxb4 $6 24. Bxd4 exd4 25. Ne2 $11) (23... Qd7 $17 24. g4 axb4) 24. Bxd4 $1 $11 exd4 25. Ne2 Bd8 26. Ra1 (26. Nf4 $11) 26... Bb6 ({Black should try} 26... Rxa1 $15 27. Rxa1 Bc7) 27. Nf4 {Hoping for Rxa8.} Rxa1 28. Rxa1 Bd5 29. Re1 $36 {[%mdl 2048] Strongly threatening Nf6+! White has the initiative.} Qd7 30. h4 Bc7 31. Nc5 Qf7 ({Black should play} 31... Qd6 $11 32. Ne4 Qd7) 32. Nxd5 $14 Qxd5 33. Ne4 Qb3 34. Nc5 Qd5 $1 {[%cal Rd5c5]} 35. Ne4 {White happily takes the draw. Accuracy: White = 51%, Black = 43%.} ({Better is} 35. Ne6 $14 Re8 36. f4) 1/2-1/2

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "7.3"]
[White "Hamblok, Roel"]
[Black "Bishoen, Bob"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2238"]
[BlackElo "1965"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,29,64,47,66,76,252,31,37,21,52,45,77,80,72,93,198,195,685,680]} 1. d4 g6 2. Nf3 Bg7 3. g3 d6 4. Bg2 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Nc3 f6 {A41: 1 d4 d6: Tartakower System and Modern Defence.} 8. b3 {[#]} Be6 $146 {[#]} (8... Bd7 $16) ({Predecessor:} 8... Nh6 9. Ba3 Nd7 10. O-O-O Bf8 11. Bb2 Nf7 12. Bh3 c6 13. Ne4 Be7 14. Nxf6 Bxf6 15. Rxd7+ Bxd7 16. Rd1 Ke8 17. Rxd7 Rb8 18. Rc7 Rg8 19. Be6 Rg7 20. Rxf7 Rxf7 21. Bxf7+ Kxf7 22. Bxe5 {½-½ (22) Ernst,S (2540)-Hopman,P (2354) Belgium 2017}) 9. Ba3 $2 (9. Ng5 $1 $18 {[%mdl 512]} fxg5 10. Bxb7) 9... Nd7 $14 {White is slightly better.} 10. O-O-O Kc8 11. Ne1 Bf8 12. Bxf8 Nxf8 13. Nd3 Nd7 {[#]} (13... c6 $16) 14. Na4 $1 $18 Nb6 $2 (14... Bf5 15. Ndc5 Nxc5) 15. Ndc5 {[%mdl 64] Double Attack. Accuracy: White = 72%, Black = 21%.} 1-0

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "7.5"]
[White "Vandendriessche, Jan"]
[Black "Achtergaele, Koen"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2067"]
[BlackElo "2071"]
[Annotator "TA"]
[PlyCount "168"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,168,40,56,44,80,37,38,28,47,44,50,11,8,-25,-20,-27,85,72,104,54,66,46,120,120,112,-32,-8,-21,0,-35,-20,-39,-4,-85,-50,-57,14,-62,-58,-49,-24,-33,-39,-48,-6,-89,-81,-84,-97,-79,-102,-89,-104,-311,-293,-286,-19,-164,-171,-482,-485,-29993,-345,-319,-207,-198,-130,-147,-147,-156,-41,-41,-15,-151,-50,-66,-9,-45,-45,-87,-67,-67,0,-67,-79,-80,-24,-36,-25,-25,-39,-29981,-29982,-29987,-43,-64,-25,-37,0,-5,-9,-9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29974,-29976,-29982,-29983,-29983,-29984,-29984,-29985,-29983,-29984,-29984,-29985,-29985,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-29988,-29992,-29993,-29993,-29994,-29994,-29995]} 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Nc6 5. c3 dxe4 6. dxe4 Bc5 7. Bb5 {C00: French: Unusual White 2nd moves.} Bd7 8. Qe2 a6 9. Bd3 {White is slightly better.} e5 10. Nc4 Qe7 {[#]} 11. Bg5 $146 ({Predecessor:} 11. Ne3 O-O 12. O-O Rfe8 13. Re1 Ng4 14. Nd5 Qd6 15. Rf1 Ne7 16. Nxe7+ Qxe7 17. Bg5 {1-0 (56) Lind,J (2305)-Nordstrom,F (2310) Ystad 1981}) 11... h6 12. Bh4 g5 $36 {[%mdl 2048] White is under pressure.} 13. Bg3 {[%cal Rf3e5]} Bg4 (13... Nh5 $1 $11) 14. b4 $16 Bd6 15. O-O h5 {Strongly threatening ...h4.} 16. h3 h4 (16... Bxf3 $1 $14 17. Qxf3 g4) 17. Bh2 Bh5 18. Ne3 (18. Qe3 $16) 18... g4 $15 19. hxg4 Bxg4 20. Nxg4 Nxg4 21. a4 Nd8 22. Bc4 (22. Nd4 $1 $11 Nxh2 23. Nf5) 22... Rg8 $17 23. Rad1 h3 (23... Ne6 $15 24. Bxe6 fxe6) 24. Bg3 (24. g3 $1 $11) 24... hxg2 $15 25. Kxg2 Ne6 26. Bxe6 Qxe6 27. Nh4 Nh6 28. Rd3 (28. a5 $11) 28... O-O-O $17 29. a5 f5 30. Nxf5 Nxf5 31. exf5 Qxf5 32. Rh1 $2 (32. Re3 $17 {is a better defense.}) 32... e4 $19 33. Re3 {intending Rh4.} Qg6 $2 (33... Bf4 $1 $19 {[%cal Rf4e3]} 34. Rh4 Bxe3 35. Qxe3 Rd3) 34. Qh5 (34. Rh4 $1 $11 {and White is okay.}) 34... Qf6 {...Bxg3 is the strong threat.} 35. Qh4 $2 {[#]} (35. Rh3 {is more resistant.}) 35... Bxg3 $1 {[%mdl 512]} 36. Rxg3 (36. Qxf6 $19 Bh4+ 37. Kf1 Bxf6 38. Rhh3) 36... Qc6 $2 (36... Qf3+ 37. Kh2 Qxf2+ 38. Kh3 Rxg3+ {[%mdl 64] Overworked Piece} 39. Qxg3 Rh8+ 40. Kg4 Rg8+ {[%mdl 64] Skewer} 41. Kh5 Qxg3 42. Kh6 Rh8#) 37. Qh6 {and if Qxc6 works, White does fine.} Qc4 {And now ...e3 would win.} 38. Re1 Qd5 (38... Rgf8 $1 $19 39. Rg7 Qxc3 40. Qh3+ Qxh3+ 41. Kxh3 Rd3+ 42. Kg2 Rd4) 39. Qe3 $17 Rde8 40. Qd4 Qc6 ({Black should try} 40... Qe6 $1 $17 41. Ree3 Rgf8) 41. Ree3 $1 $15 Kb8 42. c4 (42. Rxg8 $1 $11 {remains equal.} Rxg8+ 43. Kh2) 42... Rxg3+ (42... Rh8 $1 $17 43. Rh3 Rhf8) 43. fxg3 $17 {[%mdl 4096] Endgame KQR-KQR} Qa4 ({Black should play} 43... Kc8 $15) 44. Qd2 Qa1 45. Re1 Qa3 46. Re3 Qa1 47. Re1 Qf6 {( -> ...Qf3+)} 48. Re3 Qe6 (48... Rd8 $17 49. Qe1 Rd4) 49. Qd5 $11 Qg4 50. Qd4 Qf5 {White must now prevent ...Rf8.} 51. Qd2 $2 {[%mdl 8192]} (51. Qd5 $15 Qh7 52. Re1) 51... Rh8 $1 52. Kg1 Rf8 $2 (52... Qh5 {mates} 53. Qg2 Qd1+ 54. Qf1 Rh1+ $1 {[%mdl 576] Skewer, Deflection} 55. Kxh1 Qxf1+ 56. Kh2 Qf2+ {[%mdl 64] Double Attack} 57. Kh3 Qxe3 58. b5 Qf3 $1 {[%mdl 512]} 59. Kh4 e3 60. Kg5 e2 61. Kg6 e1=Q {[%mdl 64] Double Attack} 62. g4 Qxg4+ {[%mdl 64] Double Attack} 63. Kf7 Qee6+ {[%mdl 64] Double Attack} 64. Kf8 Qgg8#) 53. Qe2 $15 Qe5 54. Kg2 Rg8 55. b5 axb5 56. cxb5 Rg5 57. a6 Qxb5 58. Qxb5 Rxb5 59. axb7 $11 {KR-KR} Re5 60. g4 Kxb7 61. Kg3 Kc6 62. Rc3+ Kd5 {aiming for ...e3.} 63. Rxc7 e3 {Hoping for ...e2.} 64. Rc1 Ke4 65. Ra1 Rd5 66. Ra4+ Rd4 67. Ra3 Rd1 68. Ra4+ Rd4 (68... Kd3 $5 69. Ra3+ $8 Kd4 70. Ra4+ Kd3 71. Ra3+ Ke4 72. Ra4+ Rd4 $11) 69. Ra3 Rd1 70. Ra4+ Kd3 71. Kf3 $2 {[%mdl 8192]} (71. Ra3+ $11 Ke4) 71... Rf1+ {Black mates.} 72. Kg2 e2 73. Ra3+ Ke4 74. Ra4+ Ke5 75. Ra5+ Kd6 76. Ra6+ Ke7 77. Ra7+ Kf8 78. Ra8+ {[#]} Kg7 $1 79. Ra7+ Kg6 80. Ra6+ Kg5 81. Ra5+ Kh4 82. Ra8 e1=Q {[%csl Ge1][%cal Rf1f2]} 83. Rh8+ Kg5 84. Rg8+ Kh6 {Accuracy: White = 59%, Black = 66%.} 0-1

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "8.1"]
[White "Roels, Frederik"]
[Black "Achtergaele, Koen"]
[Result "0-1"]
[ECO "D33"]
[WhiteElo "1935"]
[BlackElo "2071"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,42,17,13,9,22,-110,-122,-107,-108,-326,-326,-311,-317,-440,-430,-445,-407,-427,-416,-481,-486,-706,-694,-1650,-1607,-1909,-1807]} 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 cxd4 8. Nxd4 Bc5 9. Nxc6 bxc6 10. O-O {D33: Tarrasch Defence: 6 g3 sidelines.} O-O 11. e4 {[#]} (11. Qc2 $11 {remains equal.}) 11... Ba6 $146 ({Predecessor:} 11... Be6 12. Bf4 Qd7 13. Qc2 Rac8 14. Rad1 Rfd8 15. Be5 Ng4 16. Bd4 Bxd4 17. Rxd4 c5 {0-1 (64) Tihonov,G (1956)-Chernetskiy,M (2402) Odessa 2010}) 12. Re1 {[%cal Re4d5] Black is better.} Qb6 13. Be3 $2 (13. Qf3 $17) 13... d4 $19 {[%mdl 64] [#] Double Attack} 14. Na4 dxe3 15. Nxb6 exf2+ 16. Kh1 fxe1=Q+ ({Don't play} 16... fxe1=R+ 17. Qxe1 axb6 18. Bf3 $19) 17. Qxe1 axb6 18. b4 Bd4 {Black is clearly winning.} 19. Rc1 (19. Rd1 $142 Rad8 20. Bf3) 19... Ng4 {...Nf2+ is the strong threat.} 20. Bf1 Bxf1 {[%mdl 64] [#] Discovered Attack} 21. Qxf1 Rxa2 {White got outplayed after the opening. Accuracy: White = 14%, Black = 100%.} 0-1

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "8.2"]
[White "Soubirou, Oriane"]
[Black "Vandendriessche, Jan"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2142"]
[BlackElo "2067"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,56,55,44,49,46,51,37,39,42,49,34,52,26,70,64,63,48,81,64,65,50,49,49,60,-33,0,0,62,78,41,-92,-87,-127,-94,-131,-138,-173,-172,-525,-556,-555,-634,-677,-670,-541,-677,-664,-636,-657,-653,-584,-570,-1958,-2378,-1570,-1426]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 a6 5. O-O e6 6. Bb3 {B06: Modern Defence.} Ne7 7. Re1 O-O 8. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32] White is slightly better.} Nd7 9. Nf1 b6 10. Ng3 Bb7 11. h4 h6 12. h5 g5 13. c3 Nf6 14. Bc2 c5 {[#]} 15. Qe2 $146 ({Predecessor:} 15. Nxg5 hxg5 16. Bxg5 Nh7 17. Be3 cxd4 18. cxd4 Kh8 19. h6 Bf6 20. Nh5 Rg8 21. Nxf6 Nxf6 22. Qf3 Nf5 23. Qf4 Rg4 24. exf5 Rxf4 25. Bxf4 Qg8 26. g3 Qg4 {0-1 (26) Teran Alvarez,I (2432)-Abbasov,F (2537) Seville 2011}) 15... cxd4 16. cxd4 a5 17. e5 (17. Bd3 $14) 17... dxe5 (17... Ba6 {looks sharper.} 18. exf6 Bxe2 19. fxe7 Qxe7 20. Rxe2 Qb7) 18. dxe5 Ba6 ({Better is} 18... Ng4 $11) 19. exf6 $14 Bxe2 20. fxe7 (20. fxg7 $14 {was forced to keep a grip.} Kxg7 21. Rxe2) 20... Qxe7 $17 21. Rxe2 Qb4 22. Rb1 Rac8 23. Bd3 {[#]} Rfd8 $1 {[%cal Rd8d3]} 24. Re4 $2 (24. Bd2 {is tougher.} Qa4 25. b3) 24... Rxd3 $19 {Black is clearly winning.} 25. Rxb4 {Black must now prevent Re4.} Rd1+ {[%mdl 64] Double Attack, Zwischenzug} ({Weaker is} 25... axb4 26. Be3 $15) 26. Kh2 axb4 27. Ne2 Rc2 28. Nfg1 f5 29. g3 e5 30. Kg2 e4 31. f4 Bf8 32. g4 gxf4 {Accuracy: White = 62%, Black = 81%.} 0-1

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "8.4"]
[White "Verduyn, Frederic"]
[Black "Hamblok, Roel"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "2096"]
[BlackElo "2238"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,26,-37,-33,-32,-33,-26,-20,-43,-31,-24,-29,-26,6,-64,-67,-215,-237,-258,-264]} 1. e4 e5 2. Nf3 Nc6 3. d3 Nf6 4. Nbd2 Bc5 5. h3 d5 6. Be2 {C44: Ponziani Opening and Scotch Gambit.} O-O 7. c3 a5 8. Qc2 {The position is equal.} Re8 9. Nf1 Be6 {[#]} 10. Ng5 $146 ({Predecessor:} 10. Bg5 h6 11. Bd2 Bf8 12. g4 Nh7 13. Qc1 f6 14. Ng3 Ne7 15. Nh4 Ng5 16. Nhf5 {1-0 (31) Steadman,M (2258)-Nagorski,A (1797) Wellington 2019}) 10... Bc8 11. g4 (11. exd5 $11 Qxd5 12. Ne4) 11... Ne7 12. f4 {[#]} (12. Be3 $15 Bxe3 13. Nxe3) 12... dxe4 $1 $19 13. dxe4 {[#]} exf4 $1 {[%mdl 32768] Accuracy: White = 56%, Black = 88%. . An unexpected result.} 1/2-1/2

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.26"]
[Round "8.5"]
[White "Van Foreest, Machteld"]
[Black "Barzeele, Raf"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "2075"]
[BlackElo "1954"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,87,14,62,37,32,35,76,33,75,19,18,19,31,30,43,24,36,19,17,19,45,27,52,45,45,45,45,51,47,54,48,41,49,-15,0,0,0,0,0,-11,0,-4,10,-21,-19,-25,-11,-36,-27,-31,27,14,31,19,23,8,25,10,13,-114,-141,-140,-94,-113,-113,-99,-105,-120,-124,-118,-75,-76,-76,-152,-123,-136,0,-131]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Bb4 7. Bd3 {B46: Sicilian: Taimanov: 5 Nc3 a6.} Nf6 8. O-O d6 9. Na4 {[#] Nxc6 is the strong threat.White is better.} Ba5 $146 ({Predecessor:} 9... Ne5 10. Nf3 Nxd3 11. Qxd3 Ba5 12. c4 Bd7 13. Nc3 Bc6 14. Nd4 O-O 15. f3 Qe7 {1-0 (37) Thorhallsson,T (2489)-Vidarsson,J (2352) Reykjavik 1999}) 10. c4 (10. Nxc6 $16 bxc6 11. Qe2) 10... Nxd4 $11 11. Bxd4 e5 12. Be3 Ng4 13. Bc1 Be6 14. Be2 Nf6 15. Bg5 Bc7 16. Nc3 h6 17. Bxf6 Qxf6 18. Qa4+ Bd7 19. Qb4 {Black must now prevent Nd5.} Bc6 20. Nd5 Qd8 21. Rfd1 O-O 22. f3 (22. Nxc7 $14 Qxc7 23. Rxd6 (23. Qxd6 Qxd6 24. Rxd6 Rfd8 $11)) 22... Bxd5 (22... Bb8 {is interesting.} 23. g3 Ba7+ 24. Kg2 a5 25. Qd2 Bd7) 23. Rxd5 Bb6+ 24. Kh1 Bc5 25. Qb3 g5 26. Rad1 {[#] And now Rxc5! would win.} Qe7 27. Qa4 a5 28. Qb3 Ra6 29. R5d3 Kg7 30. Qc3 f5 (30... a4 $15) 31. exf5 Rxf5 32. Rd5 Qf6 33. Rf1 Rf4 34. Qd3 e4 (34... Qf7 {seems wilder.} 35. Rd1 a4 36. Rf1 Rb6 37. b3 axb3 38. axb3 g4) 35. Qc3 (35. Qb1 $11) 35... Qxc3 $17 36. bxc3 exf3 37. Rxf3 Rxf3 38. Bxf3 {[%mdl 4096] Endgame KRB-KRB} Rb6 39. Rd2 Rb1+ 40. Bd1 Kf6 41. g3 Rc1 42. Rd3 (42. Kg2 $142) 42... Ra1 43. Rd2 Rc1 44. Rd3 $1 {Accuracy: White = 70%, Black = 78%.} 1/2-1/2

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.27"]
[Round "9.1"]
[White "Barzeele, Raf"]
[Black "Roels, Frederik"]
[Result "1/2-1/2"]
[ECO "A24"]
[WhiteElo "1954"]
[BlackElo "1935"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,21,35,69,81,76,35]} 1. c4 Nf6 2. g3 c6 3. Bg2 g6 4. Nc3 Bg7 5. e4 d6 6. Nge2 e5 7. O-O O-O 8. d3 Be6 {8...a6 is more fashionable.} 9. h3 d5 10. exd5 {A24: English Opening vs King's Indian: Lines without ...Nc6.} cxd5 11. Bg5 {[#]} {Predecessor:} dxc4 $146 12. Bxb7 Nbd7 13. Bxa8 Qxa8 14. Kh2 Qf3 15. Ng1 Qxd3 16. Qa4 Rb8 17. Rad1 Qf5 {1-0 (29) Gumularz,S (2376)-Belous,M (2348) Krakow 2018} 1/2-1/2

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.27"]
[Round "9.2"]
[White "Hamblok, Roel"]
[Black "Van Foreest, Machteld"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2238"]
[BlackElo "2075"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,86,20,21,42,46,47,37,64,20,29,6,29,12,53,16,15,18,14,18,12,18,22,12,0,-11,-5,-28,-22,-26,-16,-22,-25,-76,-66,-79,-50,-55,-49,-91,-73,-166,-88,-147,-145,-135,-89,-288,-277,-259,-222,-215,-226,-1165,-1156,-629,-551,-688,-682,-625,-562,-524,-133,-225,-225,-225,-225,-575,-575,-1072,-914,-1070,-1010,-1020,-665]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 d5 5. c3 Nc6 6. Nbd2 Bd6 7. Bg3 cxd4 8. exd4 Qc7 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 9. Bd3 O-O 10. Qe2 Ne7 {White is slightly better.} 11. Ne5 Nf5 {[#]} 12. Ndf3 $146 ({Predecessor:} 12. Ng4 Nxg4 13. Qxg4 Re8 14. Bxd6 Qxd6 15. Nf3 f6 16. O-O Nh6 17. Qh5 Bd7 18. Rfe1 {½-½ (43) Langer,R (1749)-Gatterdam,K (1705) Germany 2017}) 12... a6 13. O-O (13. a3 {seems wilder.} Nh5 14. Ng4 Nf4 15. Bxf4 Bxf4 16. O-O) 13... Nd7 (13... Nh5 {is more complex.} 14. Rae1 f6 15. Ng4 Nhxg3 16. hxg3 Qf7) 14. Bxf5 exf5 15. Nxd7 Bxd7 16. Bxd6 Qxd6 17. Qe5 Qc6 18. Rfe1 Rae8 19. Qf4 Re4 20. Qd2 f6 21. Rac1 Rfe8 22. b3 b5 23. Kf1 (23. g3 $11) 23... g5 $17 24. Qd3 Qd6 (24... Qe6 $5 {[%cal Rg5g4]} 25. Qd2 f4 $15) 25. h3 Qe7 26. Qd2 f4 27. Qb2 {[#]} (27. Rxe4 $17 dxe4 28. Nh2) 27... Bf5 (27... Bxh3 $1 $19 {[%mdl 512]} 28. gxh3 Qe6) 28. Qd2 (28. Kg1 $142) 28... Qe6 29. Ng1 b4 30. cxb4 $2 {Loses the game.} (30. Rxe4 $17 Qxe4 31. f3 Qd3+ 32. Qxd3 Bxd3+ 33. Kf2) 30... Rxe1+ $19 31. Rxe1 {[#]} Bd3+ $1 {[%mdl 512]} 32. Ne2 (32. Qxd3 Qxe1#) 32... Qe4 {Threatens to win with ...f3.} 33. f3 $2 (33. Kg1 Bxe2 34. f3 Qe3+ 35. Qxe3 Rxe3 36. Kf2) 33... Qxd4 $1 34. a4 Re3 35. b5 axb5 36. axb5 Qb6 37. Qa2 Bf5 $2 $40 {[%mdl 128] Black goes for the king.} (37... Kg7 $19 {is more deadly.} 38. Qa8 Qd4) 38. Qa8+ {[#]} (38. Rd1 $17) 38... Kg7 $1 {[%mdl 512]} 39. Qxd5 {[#]} Bd3 $1 {aiming for ...Rxe2.} 40. Qc6 $2 (40. h4 {was the crucial defense.} gxh4 41. Qd7+ Kf8 42. b4) 40... Qd4 {( -> ...Bxe2+). Black is clearly winning.} 41. Qc1 Bxb5 42. Qc2 Kh6 43. Qb1 Qd2 {Accuracy: White = 47%, Black = 74%.} 0-1

[Event "WWRR Tienkampen 2020"]
[Site "Wachtebeke"]
[Date "2020.02.27"]
[Round "9.5"]
[White "Achtergaele, Koen"]
[Black "Soubirou, Oriane"]
[Result "0-1"]
[ECO "C48"]
[WhiteElo "2071"]
[BlackElo "2142"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventCountry "BEL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,76,10,19,10,25,24,50,33,162,129,145,83,79,-20,-32,-15,-22,-27,-37,-43,-47,-40,-29,-103,-79,-100,-100,-100,-93,-103,-92,-131,-78,-66,0,0,0,0,0,0,0,-145,-126,-355,-359,-401,-385,-329,-390,-494,-481,-1039,-1163,-1158,-1150,-1124,-1143,-1095,-1077,-1338,-1316,-766,-754,-29984,-29985,-29993,-29994,-29994,-29995]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bd6 5. d3 a6 6. Ba4 {C48: Four Knights: 4 Bb5, replies other than 4...Bb4.} h6 7. O-O Qe7 {[#]} 8. Nd5 $146 {White is slightly better.} ({Predecessor:} 8. Bb3 Na5 9. Re1 Nxb3 10. axb3 c5 11. Be3 Bb8 12. Na4 Ba7 13. b4 b6 14. bxc5 bxc5 {½-½ (49) Schiffers,E-Winawer,S Nuremberg 1896}) 8... Qe6 ({Black should try} 8... Nxd5 $14 9. exd5 b5) 9. Bb3 {Strongly threatening Nxc7+!} Qg4 {[#]} 10. Nxf6+ (10. Ne3 $142 $1 {[%cal Re3g4]} Qh5 11. Nf5) 10... gxf6 $16 11. Bxf7+ (11. Be3 $16) 11... Kxf7 $11 {[#]} 12. Ng5+ $1 {[%mdl 576] [#] Discovered Attack} Qxg5 $1 {[%mdl 512]} (12... fxg5 13. Qxg4) 13. Bxg5 hxg5 14. c3 Bc5 {[%mdl 1024] Black has compensation.} 15. b4 Bb6 16. Qb3+ (16. a4 $11) 16... Ke7 $17 17. a4 d6 18. b5 Be6 19. Qb2 Na5 20. d4 Nc4 (20... g4 $142 21. bxa6 bxa6) 21. Qe2 {Black must now prevent d5.} exd4 (21... axb5 $15 22. d5 Bd7) 22. cxd4 $11 {aiming for d5.} Bxd4 23. Rac1 $1 {[%cal Rc1c4]} axb5 24. axb5 Be5 $36 {[%mdl 2048] Black has good play.} 25. g3 (25. Rxc4 $11 Bxc4 26. Qxc4 Bxh2+ 27. Kh1) 25... Ra4 $17 26. f4 $2 (26. Rc2 $17 c6 27. bxc6 bxc6 28. Rb1) 26... gxf4 $19 27. gxf4 Bd4+ 28. Kh1 Bb6 {Threatens to win with ...Ne3.} 29. Rc3 {[#]} Ne3 $1 {[%mdl 576] Discovered Attack} 30. Rxc7+ (30. Rxe3 $142 Ra2 31. Qxa2 Bxa2 32. Ra3) 30... Bxc7 31. Qxe3 Ra2 32. Qg3 Rg8 33. Qh4 Rag2 34. Rc1 Bb6 {( -> ...Rg1+)} 35. h3 Bg1 {[%csl Gg1][%cal Rg2h2]} 36. Rc7+ Kd8 {[%csl Gg1][%cal Rg2h2] Black mates.} 37. Rg7 R8xg7 {[%csl Gg1][%cal Rg2h2]} 38. Qxf6+ Kd7 {Accuracy: White = 48%, Black = 78%.} 0-1

