[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.1"]
[White "Cox, Tristan A"]
[Black "Adams, Michael"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2141"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,46,26,18,16,29,0,0,0,21,20,22,0,3,0,0,0,0,0,17,0,0,-21,-28,-25,73,-45,-37,-45,-41,-368,-351,-378,-380,-435,-441]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 Bf5 7. Qb3 {7.Qb3 is better than 7.Nf3.} Na5 8. Qa4+ {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} Bd7 9. Qd1 e6 10. Nf3 {The position is equal.} Bb4 11. Bd3 Nc4 12. Qe2 Rc8 {And now ...Nxb2! would win.} 13. Rc1 Ne4 14. Bxe4 dxe4 15. Ng5 {[#]} f5 $146 (15... e5 $5 16. dxe5 Bg4 $1 $11) ({Predecessor:} 15... e5 16. dxe5 Bg4 17. f3 exf3 18. gxf3 Bh5 19. Kf2 O-O 20. Rhd1 Qa5 21. Nd5 Nb6 22. Rxc8 Rxc8 23. Nxb4 Qxb4 {1-0 (42) Bai,J (2593)-Erenburg,S (2576) Saint Louis 2019}) 16. h4 {White wants to play 0-0.} b5 17. O-O {Strongly threatening b3.} (17. a3 $5 {[%cal Ra3b4]} Be7 18. Kf1 $15) 17... O-O $1 18. b3 Na3 {[#]} (18... Nb6 $11 {keeps the balance.} 19. Nxb5 Nd5 20. Rxc8 (20. Nxa7 Rxc1 21. Rxc1 Qb6 $17) 20... Qxc8) 19. Qb2 ({Not} 19. Qh5 h6 $17) (19. d5 $1 $16) 19... h6 $15 20. Nh3 Qxh4 21. d5 $2 {[%mdl 8192]} (21. Be5 $15) 21... Qf6 $19 22. Nd1 Rxc1 23. Qxc1 Rc8 {Weighted Error Value: White=0.55/Black=0.08} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.2"]
[White "Turner, Matthew J"]
[Black "Wille, Thomas"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2509"]
[BlackElo "2048"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,-49,-49,-46,-45,-45,-47,-50,-48,-61,-46,-52,-40,-40,-34,-45,-38,-49,4,3,0,0,0,0,15,31,39,22,51,29,39,39,42,39,37,21,21,21,50,13,15,21,21,15,15,13,12,0,0,3,104,103,147,132,166,155,207,207,207,207,559,530,513,431,431,431]} 1. d4 d5 2. Bg5 f6 3. Bh4 Nh6 4. e3 Nf5 5. Bd3 h5 6. Bxf5 {D00: 1 d4 d5: Unusual lines.} Bxf5 7. f3 Nc6 8. Nc3 {Black is slightly better.} Qd7 9. Nge2 {[#]} e6 $146 ({Predecessor:} 9... O-O-O 10. Qd2 {1-0 (10) Schwenk,H (2177)-Cartaya Verdecia,M (2189) ICCF email 2017}) 10. e4 dxe4 11. fxe4 Bg4 12. h3 Bxe2 13. Nxe2 O-O-O (13... g5 $15 14. Bf2 O-O-O) 14. c3 $11 g5 15. Bf2 f5 16. Qc2 Bh6 17. O-O-O fxe4 18. Kb1 g4 19. Qxe4 Qd5 20. Qxd5 exd5 21. hxg4 hxg4 22. Rh4 Rde8 23. Ng3 Rhf8 24. Be1 Bf4 {[#] Strongly threatening ...Rxe1!} 25. Rxg4 Bd6 26. Rg5 Rg8 27. Rxg8 Rxg8 28. Rd3 Ne7 29. Kc2 Ng6 (29... Rg5 $11 {keeps the balance.}) 30. Nf5 $16 Nf4 31. Rg3 Re8 32. Bd2 Re2 (32... Ne6 $16) 33. Nxd6+ $18 cxd6 34. Kd1 Rxg2 $2 {[#]} (34... Re4 {is a better chance.} 35. Bxf4 Rxf4) 35. Bxf4 {White is clearly winning.} Rxb2 36. Bxd6 Rxa2 37. Rg7 {Weighted Error Value: White=0.08/Black=0.31} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.3"]
[White "Evans, Harry G"]
[Black "Ghasi, Ameet K"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1985"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,44,0,0,6,4,-9,-7,-2,-3,-10,-8,-10,-10,-22,-20,-32,-5,-71,-66,-71,-26,-23,-60,-41,-18,-302,-298,-346,-42,-54,-60,-162,-164,-179,-179,-290,-290]} 1. d4 Nf6 2. Bf4 d6 3. Nc3 c6 4. e4 Qa5 5. Qd2 Nbd7 6. Nf3 {B07: Pirc Defence: Miscellaneous Systems.} e5 7. Be3 Be7 8. Bd3 {[#] The position is equal.} Ng4 $146 ({Predecessor:} 8... O-O 9. O-O Qc7 10. a4 a5 11. Bc4 Nxe4 12. Nxe4 d5 13. Bxd5 cxd5 14. Nc3 e4 15. Nxd5 {0-1 (41) Valencik,J (2078)-Jablonicky,M (2342) Tatranske Zruby 2019}) 9. O-O Nxe3 10. fxe3 O-O 11. b4 (11. Nd5 $5 {[%cal Rd5e7]} Qd8 12. Nxe7+ Qxe7 13. c3 $11) 11... Qc7 ({But not} 11... Qxb4 $2 12. Nd5 $1 $18 {[%mdl 512]}) 12. a4 Nf6 13. Ne2 (13. Qe1 $11 {remains equal.}) 13... d5 $17 14. Ng3 dxe4 15. Nxe4 Nxe4 16. Bxe4 f5 17. c3 $2 {[%mdl 8192]} fxe4 $19 18. Nxe5 Bd7 $2 (18... Be6 $19 {And now ...Bf6 would win.} 19. Qc2 Bd6 20. Qxe4 Bd5) 19. Qa2+ $15 Kh8 {Strongly threatening ...g6.} 20. Nf7+ {[#]} (20. Rxf8+ $1 $15 Rxf8 21. Nf7+ Rxf7 22. Qxf7) 20... Rxf7 $1 $19 21. Rxf7 (21. Qxf7 Bd6) 21... Qd6 {aiming for ...Be6.} 22. Raf1 (22. Qc2 {is a better defense.}) 22... Be6 {[%mdl 64] Double Attack.  Weighted Error Value: White=0.51/Black=0.28} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.5"]
[White "Rathbone-Jones, Ifan"]
[Black "Fernandez, Daniel Howard"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1941"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,52,5,27,-22,-11,-20,-20,-33,-19,-45,-43,-132,-51,-209,-212,-206,-201,-203,-197,-189,-133,-226,-177,-208,-183,-178,-170,-222,-210,-327,-324,-320,-300,-486,-368,-376,-337,-736,-685,-667,-656,-2610,-1533,-2514,-2445]} 1. d4 Nf6 2. Bf4 e6 3. Nf3 Be7 4. e3 Nh5 5. Bg3 {[#]} g6 $146 ({Predecessor:} 5... d6 6. Bd3 Nd7 7. Nbd2 a5 8. c3 a4 9. a3 g6 10. Bb5 c6 11. Bxa4 b5 12. Bc2 {0-1 (53) Demchenko,A (2641)-Dubov,D (2699) chess.com INT 2020}) 6. Nbd2 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} d6 7. Rc1 Nd7 8. c4 {The position is equal.} O-O 9. Bd3 c5 10. Ne4 {[#]} (10. Bc2 $15) 10... f5 (10... cxd4 $1 $17 {White must now prevent ...f5.} 11. Bxd6 (11. Nxd4 $2 e5 $19) 11... Bxd6 12. Nxd6 Nc5 13. Nxc8 dxe3) 11. Bxd6 $2 (11. Nc3 $15) 11... fxe4 $19 {[%mdl 64] Discovered Attack} 12. Bxe7 Qxe7 13. Bxe4 Nhf6 14. Bb1 cxd4 ({Better is} 14... b6 $19 15. Qe2 Bb7) 15. Qxd4 (15. exd4 $17 b6 16. O-O) 15... Qb4+ 16. Ke2 b6 17. a3 Qc5 18. Qh4 (18. Rhd1 $142) 18... Bb7 19. Ng5 (19. Rhd1 {keeps fighting.}) 19... Qe5 ({And not} 19... Bxg2 20. Rhg1 $14) 20. Rc3 {and the idea Qh6 leaves White hopeful.} Nc5 ({Inferior is} 20... Bxg2 21. Rg1 $16) 21. Qh6 $2 (21. Qg3 Qxg3 22. hxg3) 21... Qc7 22. f3 Rad8 23. b4 $2 {[#]} (23. Re1) 23... Qd7 $1 {( -> ...Qd2+). Black is clearly winning.} 24. Rhc1 {[#]} Nb3 {[%mdl 512]} 25. R1c2 (25. Kf1 Ng4) 25... Qd1+ {[%mdl 64] Double Attack} 26. Kf2 Ng4+ {[%mdl 64] Double Attack. White got outplayed after the opening.  Weighted Error Value: White=0.93/Black=0.26} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.6"]
[White "Hebden, Mark L"]
[Black "Balaji, Aaravamudhan"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2453"]
[BlackElo "2206"]
[Annotator "TA"]
[PlyCount "183"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,183,-2,0,0,0,-7,0,0,0,0,0,0,0,0,0,-7,0,-16,-25,-25,-19,-12,-12,-12,-20,-20,-14,-15,-22,-18,-16,-34,-37,-47,-47,-63,-24,-57,-10,-53,34,35,31,45,46,39,58,58,46,25,34,34,36,30,72,72,73,73,73,73,73,73,73,72,73,72,73,73,73,34,34,34,34,34,34,34,34,34,34,34,34,34,34,34,34,0,0,0,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,25,0,26,26,26,26,26,26,77,26,26,26,26,26,26,26,33,33,33,33,33,33,77,33,33,40,77,77,77,77,70,70,77,77,12845,12845,12845,12846,12848,12848,12849,12849,27999,27999,27994,27999,27999,27999,27998,27998]} 1. d4 Nf6 2. Bf4 d5 3. e3 g6 4. Nc3 Bg7 5. h4 h5 6. Nf3 {D00: 1 d4 d5: Unusual lines.} O-O 7. Be2 c5 8. dxc5 {The position is equal.} Qa5 9. O-O Qxc5 10. Nb5 {[#] Strongly threatening Nc7.} Nc6 $146 ({Predecessor:} 10... a6 11. Nc7 Ra7 12. Nb5 axb5 13. Bxb8 Ra8 14. Be5 b4 15. Bd4 Qa5 16. c3 Bg4 {½-½ (42) Naiditsch,A (2702)-Carlsen,M (2838) Karlsruhe/Baden-Baden 2017}) 11. c3 a5 12. a4 Bg4 13. Ne5 {[%cal Re5g4]} Nxe5 14. Bxe5 Bxe2 15. Qxe2 Ne4 16. Bd4 Qc6 17. Bxg7 Kxg7 18. Rfd1 Rfd8 19. f3 Nc5 20. Nd4 Qf6 21. Qf2 e5 22. Nb5 {White wants to play Nc7.} Qc6 23. Qe2 Nb3 24. Rab1 (24. Ra3 $5 {[%cal Ra3b3]} Nc5 25. g3 $11) 24... Qc4 (24... Rd7 $15) 25. Qxc4 $14 dxc4 26. Nd6 Nc5 27. Nxc4 Nxa4 28. Rxd8 Rxd8 29. Nxa5 {[%mdl 4096] Endgame KRN-KRN} Rd2 30. Nc4 {[%mdl 64] [#] Double Attack} Rc2 31. Nxe5 Nxb2 32. e4 b5 33. Kh2 Nc4 34. Rxb5 Nxe5 35. Rxe5 Rxc3 $16 {KR-KR} 36. Re8 Rc2 37. Kh3 Rc3 38. Kg3 Rc2 39. e5 Rb2 40. Re7 Kf8 41. Rd7 Re2 42. f4 Rb2 43. Rd3 Ke7 44. Ra3 Rc2 45. Kf3 Rb2 46. g3 Rb4 47. g4 hxg4+ 48. Kxg4 Rb2 49. h5 gxh5+ 50. Kxh5 Rg2 51. Ra7+ Ke6 52. Ra6+ Ke7 53. f5 Rh2+ 54. Kg4 Rg2+ 55. Kf3 Rg1 56. Ra7+ Ke8 57. f6 Re1 58. Kf4 Rf1+ 59. Ke3 Re1+ 60. Kd4 Rd1+ 61. Kc3 Re1 62. Re7+ Kf8 63. Kd4 Rd1+ 64. Kc5 Rc1+ 65. Kd6 Rd1+ 66. Kc6 Rc1+ 67. Kd7 {[%csl Gd7][%cal Re7e8]} Rd1+ 68. Kc8 Re1 (68... Kg8 {looks sharper.} 69. Re8+ Kh7 70. Kc7 Kg6 71. Rd8 Ra1) 69. Kd8 {[%csl Gd8][%cal Re7e8]} Rd1+ 70. Rd7 Re1 71. Rd5 Re2 (71... Ra1 $11) 72. Kd7 (72. Ra5 $16 Rd2+ 73. Kc7 Rc2+ 74. Kd7 Rd2+ 75. Kc6 Rc2+ 76. Kd5 Rd2+ 77. Kc6 Rc2+ 78. Kd5 Rd2+ 79. Ke4) 72... Re1 $1 $11 73. Rb5 {[%cal Rb5b8]} Rd1+ 74. Kc6 Rc1+ 75. Kd5 {Threatening mate with Rb8+.} Rd1+ 76. Ke4 {White wants to mate with Rb8+.} Re1+ 77. Kf4 {[%cal Rb5b8]} Rf1+ 78. Ke3 {[%cal Rb5b8]} Kg8 79. Rb4 (79. Rb7 {seems wilder.} Ra1 80. Rb2 Re1+ 81. Kd4 Rd1+ 82. Kc5) 79... Re1+ 80. Kf4 {Black must now prevent Rb8+.} Kh7 81. Kf5 Rf1+ 82. Rf4 Re1 83. Rg4 {aiming for Rg7+.} Rf1+ 84. Ke4 {And now Rg7+ would win.} Re1+ $2 {[%mdl 8192] [#] Loses the game.} (84... Kh8 $16 85. Kd4 Rd1+ 86. Kc5 Rd8) 85. Kd5 $1 $18 Rd1+ 86. Kc6 Rc1+ 87. Kd6 Kh6 88. e6 fxe6 89. f7 {White mates.} Rf1 90. Ke7 e5 91. f8=Q+ Rxf8 92. Kxf8 {Weighted Error Value: White=0.05/Black=0.07} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.7"]
[White "Varney, Zoe"]
[Black "Wadsworth, Matthew J"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1917"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,126,18,23,33,31,15,18,-4,-19,-10,0,-12,-6,-10,16,-29,-28,-28,-33,-40,-33,-45,-51,-81,-77,-80,-88,-91,0,0,0,0,8,0,0,0,5,0,0,0,0,0,0,0,0,0,0,6,5,0,0,0,0,-139,-139,-139,-139,-139,-139,-2529,-834,-2147,-1822,-5522,-4847,-3179,-2712,-29969,-29971,-29977,-29978,-29978,-29979,-29979,-29980,-29987,-29982,-29979,-29981,-29980,-29981,-29981,-29983,-29983,-29984,-29983,-29985,-29985,-29986,-29986,-29987,-29987,-29986,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-29991,-29994,-29995,-29995,-29996,-29997,-29997]} 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Na3 cxd4 7. Nb5 Na6 8. Qxd4 Bc5 {8...Qxd4 is not played anymore.} 9. Qxd5 Nxd5 10. Bc4 {B22: Sicilian: 2 c3.} Nb6 11. Bd3 O-O {[#]} 12. b4 $146 {The position is equal.} ({Predecessor:} 12. O-O Bd7 13. Bf4 Nd5 14. Bg3 Rfd8 15. Rad1 Bc6 16. Nbd4 Be8 17. Bxa6 bxa6 18. Nb3 {1-0 (45) Havlicek,L (2133)-Olsak,P Slovakia 2000}) 12... Be7 13. Be3 Nd5 14. Bd4 ({But not} 14. Bxa7 $2 Nxc3 $1 {[%mdl 512]} 15. Nxc3 Nxb4 $17) 14... Bd7 15. a4 $1 Nac7 16. O-O Nxb5 17. axb5 Nf4 18. Ne5 Nxd3 19. Nxd7 Rfd8 20. Ne5 Nxe5 21. Bxe5 Rd5 22. Bd4 {[#]} Rxb5 (22... Bxb4 $1 $17 23. Rfd1 (23. Ra4 Bc5) 23... Be7) 23. Rxa7 $11 Rxa7 24. Bxa7 $17 {[%mdl 4096] Endgame KRB-KRB} Kf8 25. Rd1 Ke8 26. Kf1 g5 27. Ke2 g4 28. Rd4 h5 29. Rd3 Re5+ 30. Re3 Rf5 31. h3 Bd6 32. hxg4 hxg4 33. g3 Kd7 34. Re4 Rf3 35. Bd4 (35. Be3 $11 {keeps the balance.}) 35... f5 36. Re3 e5 37. Ba7 Rxe3+ 38. Kxe3 $4 {[%mdl 8192] KB-KB. This costs White the game.} (38. Bxe3 $17 b5 39. Bg5) 38... Kc6 (38... Kc7 $142 39. Kd3 b6) 39. Kd3 {[#]} b6 $1 40. Kc4 Kb7 41. Kd5 Bc7 42. Bxb6 Kxb6 $19 {KB-KP. Black mates.} 43. Ke6 f4 44. Kf5 fxg3 45. fxg3 {KB-K3P} Kb5 46. Kxg4 Kc4 47. Kf5 Kd3 48. g4 e4 49. g5 e3 50. g6 {[#]} Be5 $1 {[%mdl 576] Promotion} 51. Kxe5 {KP-KP} e2 52. g7 e1=Q+ {[%mdl 64] Double Attack} 53. Kf6 Qe8 54. b5 Kc4 55. b6 Kc5 56. b7 Kc6 57. b8=Q Qxb8 58. Kf7 Qf4+ 59. Kg6 Qg4+ 60. Kf7 Qf5+ 61. Kg8 Kd7 62. c4 Ke7 63. c5 Kf6 {Weighted Error Value: White=0.53/Black=0.22} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.8"]
[White "Lalic, Bogdan"]
[Black "Gordon, Sean"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2402"]
[BlackElo "2039"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,-1,58,61,59,59,67,64,81,62,50,57,81,42,73,74,82,72,101,100,118,110,136,133,291,287,374,389,444,432,527,511,479,445,477,462,597,593,744,751,748,714,710,709,1114,1098]} 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Qa5 (5... dxc4 $11 6. e4 b5) 6. Bxf6 $14 {D43: Semi-Slav: 5 Bg5 h6.} gxf6 7. e3 Nd7 8. a3 {[#] White is slightly better.} Bg7 $146 ({Predecessor:} 8... a6 9. b4 Qd8 10. Be2 f5 11. O-O Bg7 12. Qc2 O-O 13. Rfc1 Nf6 14. a4 Ne4 {0-1 (54) Moiseenko,A (2692)-Lu,S (2599) Baku 2015}) 9. Bd3 dxc4 10. Bxc4 b5 11. b4 Qc7 12. Bd3 Bb7 13. Rc1 a6 14. O-O O-O 15. Nd2 Rfc8 16. Nb3 e5 $2 {This costs Black the game.} (16... f5 $16) 17. Ne4 $18 {[%cal Bc3e4,Be4g3,Bg3f5][%mdl 32]} f5 18. Ng3 f4 19. Nf5 {[#] Threatens to win with Qg4!White is clearly winning.} Nf6 20. dxe5 Qxe5 21. exf4 Qc7 22. Nc5 Re8 23. Qf3 Rad8 24. Qg3 {[%csl Gf5][%cal Rg3g7] [#]} Nh5 25. Qg4 Qxf4 26. Qxh5 Re5 27. g3 {Weighted Error Value: White=0.05/Black=0.54} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.9"]
[White "Finn, Chris"]
[Black "O'gorman, Tom"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1886"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,48,13,6,11,11,0,-4,-2,-4,-1,-4,22,13,56,0,0,-8,-12,-19,-37,-53,-43,-216,-162,-158,-155,-777,-790,-832,-662,-945,-901,-854,-867,-2091,-2032,-1608,-1591]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. e3 d6 6. Bd3 c5 7. c3 b6 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} 8. Qe2 {was the old line (8.0-0).} Bb7 9. e4 {[#]} cxd4 $146 {The position is equal.} ({Predecessor:} 9... Qc7 10. O-O e5 11. dxe5 dxe5 12. Nc4 Nh5 13. a4 Nf4 14. Bxf4 exf4 15. e5 Nc6 {0-1 (29) Lys,J (2160)-Strebkovs,A (2340) Karvina 2015}) 10. cxd4 Nc6 11. a3 Nd7 12. Qe3 Rc8 (12... f6 $5 {[%cal Rf6g5]} 13. Bh6 Bxh6 14. Qxh6 e5 $11) 13. Bh6 (13. O-O $14) 13... e5 $11 {[%cal Re5d4]} 14. Bxg7 Kxg7 15. d5 Ne7 16. h4 Nf6 17. g4 $2 {[#]} (17. O-O $15) 17... Nexd5 18. exd5 Nxd5 19. Qe2 {Now White is beyond hope.} (19. Qe4 $17) 19... Nf4 $19 {Black is clearly winning.} 20. Qf1 e4 21. Ba6 Bxa6 22. Qxa6 exf3 23. Nxf3 Qe7+ 24. Kf1 Qe4 {Weighted Error Value: White=1.14/Black=0.17} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.10"]
[White "Grieve, Harry"]
[Black "Goss, Alex"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2351"]
[BlackElo "1833"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,106,7,22,0,31,0,-4,0,0,-5,5,0,4,-1,-10,0,52,48,46,55,51,46,52,46,75,0,0,-16,-9,-12,-8,-12,0,0,0,0,43,36,32,26,49,0,0,0,0,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,20,20,20,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,0,0,8]} 1. d4 e6 2. Nf3 d5 3. Bg5 Be7 4. Bxe7 Nxe7 5. Nbd2 c5 6. e3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} O-O 7. c3 b6 8. Bd3 h6 9. Qe2 Nbc6 10. O-O {[#]} Qc7 $146 ({Predecessor:} 10... Qd6 11. e4 dxe4 12. Nxe4 Qd5 13. Bc4 Qh5 14. dxc5 bxc5 15. Ng3 Qg6 16. Bd3 f5 {1-0 (39) Kononov,V (2073)-Tubakin,L (1981) Zelenograd 2016}) 11. Rac1 c4 12. Bc2 e5 (12... f5 $11) 13. Nxe5 $14 Nxe5 14. dxe5 Qxe5 15. e4 b5 16. Nf3 Qh5 17. Rcd1 (17. Qe3 $16) 17... Bg4 $11 18. h3 Bxf3 19. Qxf3 Qxf3 20. gxf3 dxe4 21. Rd7 Ng6 22. Bxe4 Rad8 23. Rfd1 Rxd7 24. Rxd7 $14 {[%mdl 4096] Endgame KRB-KRN} Nf4 25. Kh2 f5 {The position is equal.} 26. Bc2 Rf7 27. Rd4 g5 28. h4 Kg7 29. a4 a6 30. Rd6 Rf6 31. Rd7+ Rf7 32. Rxf7+ Kxf7 33. hxg5 hxg5 34. axb5 $1 ({Don't blunder} 34. Bxf5 $2 bxa4 35. Bd7 Nd3 $19) 34... axb5 {Strongly threatening ...Ke6.} 35. Bxf5 $11 {KB-KN} Nd3 36. Bd7 Nxb2 37. Bxb5 Kf6 38. Kg3 Nd1 39. Bxc4 Nxc3 40. f4 gxf4+ 41. Kxf4 Na4 42. Ke4 Nc3+ 43. Kd4 $1 {[%cal Rd4c3]} Nd1 44. f3 Kf5 45. Be2 Nf2 46. Ke3 Nh3 47. Ba6 {[#] Bc8+ would kill now.} Ng5 48. Bc8+ Kf6 49. f4 Nf7 50. Bh3 Nh8 51. Ke4 Ng6 52. f5 Ne7 53. Bg4 Nxf5 {Weighted Error Value: White=0.06/Black=0.07} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.12"]
[White "Claridge-Hansen, William"]
[Black "Stubbs, Oliver"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2290"]
[BlackElo "1905"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,75,15,39,35,33,0,0,0,26,29,24,23,25,18,18,18,18,18,14,-2,22,20,20,22,41,38,33,44,37,23,198,125,400,404,404,400,531,553,553,520,493,526,505,490,585,465,466,435,441,406,410,303,5485,2577,29980,29981,29980,29981,29978,29979,29991,29991,29995,29996]} 1. c4 Nf6 2. g3 g6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. d3 Bg7 7. Be3 Nc6 8. Rc1 {A16: English Opening: 1...Nf6 with ...d5.} Nd4 9. h4 h6 10. Nf3 {[#] aiming for Bxd4.The position is equal.} Nxf3+ $146 ({Predecessor:} 10... e5 11. Ne4 O-O 12. Qd2 Kh7 13. h5 g5 14. Nfxg5+ hxg5 15. h6 Bf6 16. Nxf6+ Qxf6 17. Rh5 c6 18. Rxg5 Rg8 {½-½ (18) Eingorn,V (2580)-Finkel,A (2500) Metz 1996}) 11. Bxf3 c6 12. Qd2 Be6 13. O-O Nd5 14. Nxd5 Bxd5 15. Bxd5 Qxd5 16. b4 h5 17. Rc5 Qe6 18. Rfc1 a6 19. R1c4 O-O 20. Re4 Qd7 21. Bh6 Rfd8 $2 {[#] White leaves nothing to chance now.} (21... f6 $11 {and Black stays safe.}) 22. Rxh5 $3 {[%mdl 512]} f5 $2 {[%mdl 8192]} (22... gxh5 23. Qg5 Qg4 24. Rxg4 Kf8 25. Qxg7+ Ke8 26. Re4 b5 27. Qf6) (22... Bf6 $16 23. Ra5 b6) (22... Bf6 23. Rc5) 23. Bxg7 $18 {White threatens Qg5! and mate.} (23. Qg5 e5 $18) 23... fxe4 (23... gxh5 $2 {loses.} 24. Bc3 $18) 24. Bb2 {Qh6! would kill now.} Rf8 {[#]} ({Weaker is} 24... gxh5 25. Qg5+ Kf7 26. Qg7+ Ke6 27. Qg6+ Kd5 28. Qxe4+ Kd6 29. Qe5#) 25. Qh6 $1 {[%cal Rh6g6]} Kf7 26. Qg7+ Ke8 27. Qxg6+ Kd8 28. Qxe4 Kc7 29. Be5+ Kc8 30. Rh7 Qe6 31. f4 a5 32. f5 Qxa2 (32... Qxf5 33. Qxf5+ (33. Rxe7 $2 {leads to mate.} Qf1+ 34. Kh2 Rf2+ {[%mdl 64] Double Attack} 35. Qg2 Qxg2#) 33... Rxf5) 33. Rxe7 {Threatening mate with f6.} Qb1+ 34. Kh2 {White mates.} Qxb4 35. Rc7+ Kd8 36. d4 a4 37. Qf4 Ke8 38. Bd6 {[%mdl 64] Double Attack.  Weighted Error Value: White=0.11/Black=0.49} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.13"]
[White "Arora, Tashika"]
[Black "Toma, Katarzyna"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1744"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,21,20,17,14,12,26,10,48,-6,-6,-6,0,-1,31,31,19,1,5,0,0,0,18,4,27,8,8,12,9,-76,-52,-121,-129,-130,-129,-161,-166,-252,-259,-321,-322,-308,-300,-304,-305,-358,-318,-325,-295,-290,-260,-327,-180,-435,-431,-464,-457,-505,-466,-447,-441,-508,-503,-534,-509,-579,-567,-640,-648,-629,-628,-649,-642,-880,-838,-1101,-1102,-1242,-1241,-1200,-1179,-1746,-1620,-6921,-5920,-29965,-6656,-29987,-29988,-29988,-29989,-29992,-29993,-29993,-29994,-29995,-29996,-29996,-29995,-29995,-29996,-29997,-29998,-29998,-29998,-29998,-29999,-29999]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 c6 6. cxd5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines.} cxd5 7. Bf4 Nc6 8. e3 {White has an edge.} Bg4 9. Be2 (9. Qb3 $14) 9... O-O $11 10. O-O Rc8 11. Rc1 {[#]} a6 $146 ({Predecessor:} 11... e6 12. Ng5 Bxe2 13. Qxe2 a6 14. Na4 h6 15. Nf3 Ne4 16. Nc5 Qe7 17. Nxe4 dxe4 {½-½ (31) Podvoysky,E (2378)-Carolei,A (2395) ICCF email 2014}) 12. Na4 Ne4 13. Nc5 Qb6 14. Qb3 Qxb3 15. Nxb3 Bf6 16. Rfe1 e6 17. Ng5 Bxe2 18. Rxe2 Nb4 19. Nxe4 (19. Rd1 $1 $11) 19... dxe4 20. Bg3 {Black keeps a firm grip on the game.} ({Better is} 20. Rd1 $15) 20... Rxc1+ $17 (20... Nxa2 21. Ra1 $14) 21. Nxc1 Rc8 22. Re1 {[#]} Rc2 $1 23. Rd1 (23. Bd6 $142 Rxb2 24. g3) 23... Rxb2 $19 24. Nb3 Nxa2 ({Not} 24... Rxa2 25. Nc5 $17) 25. Nc5 Nc3 26. Ra1 Be7 27. Kf1 Bxc5 28. dxc5 {[%mdl 4096] Endgame KRB-KRN} Rc2 29. Bd6 f5 30. g3 Kf7 (30... Nb5 $142 31. Rd1 Kf7) 31. Ke1 $2 {[#]} (31. c6 bxc6 32. Rxa6) 31... Nb5 32. Rd1 Ke8 33. Kf1 Nc3 34. Rd4 Nd5 35. Rd1 {If White can now play Rb1 this consolidates a bit.} Kd7 36. Bf8 Kc6 37. Rb1 Ra2 38. Ke1 a5 39. Bg7 a4 40. Bd4 Rc2 41. Kf1 a3 42. Ra1 a2 43. Ke1 e5 44. Bxe5 Kxc5 45. Bd4+ Kc4 46. Rd1 Nc3 47. Ra1 b5 48. Be5 b4 {Black mates.} 49. Bxc3 Kxc3 {KR-KR} 50. Rd1 b3 51. Kf1 b2 52. Rd8 b1=Q+ 53. Kg2 a1=Q {[%csl Ga1][%cal Rb1h1]} 54. Rc8+ Kd2 {[%csl Ga1][%cal Rb1h1]} 55. Rxc2+ Kxc2 {[%csl Ga1][%cal Rb1h1]} 56. g4 Qh1+ 57. Kg3 Qf3+ 58. Kh2 Qah1# {Weighted Error Value: White=0.40/Black=0.12} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.14"]
[White "Tanmay Chopra"]
[Black "Idle, Oscar"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2273"]
[BlackElo "1722"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,61,0,14,-28,-32,-24,0,-17,31,33,25,33,82,74,84,41,81,68,72,54,84,24,56,33,104,103,97,67,77,78,152,29,155,158,421,437,402,327,636,650,656,649,2099,2186,1968,1934,29996,29997]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Qe7 9. cxd5 {D45: Semi-Slav: 5 e3.} exd5 10. O-O Re8 11. Qc2 {[#] The position is equal.} Bxc3 $146 ({Predecessor:} 11... Bd6 12. Rfe1 Ne4 13. a3 g5 14. h3 f5 15. Bxe4 dxe4 16. Nh2 Nf6 17. b4 a6 {0-1 (40) Gursu,A (1297)-Temizer,U (1927) Antalya 2020}) 12. Bxc3 Ne4 13. Bb2 Ndf6 14. Ne5 a5 15. a3 Be6 16. Rae1 Nd6 17. f3 h6 18. e4 (18. a4 $16) 18... a4 19. b4 dxe4 (19... Nh5 $14) 20. fxe4 $16 Bb3 21. Qc1 Rac8 22. Qf4 Nd7 {[#]} (22... Qd8 $142) 23. Nf3 (23. Ng4 $1 $16 Bc4 24. Rf3) 23... Nc4 {[#]} (23... Bc4 $11 24. Ne5 Bxd3 25. Nxd3 Nc4) 24. Bc1 $1 b6 $2 {This move loses the game for Black.} (24... Qf6 $16 {was worth a try.}) 25. e5 $18 Nf8 26. Qg3 {Strongly threatening Nh4.} Kh8 $2 (26... Qd7 27. Bxh6 Ng6 28. Bxg6 fxg6 29. Qxg6 Re6) 27. Re4 Ng6 28. Nh4 Rcd8 29. Nxg6+ fxg6 30. Qxg6 {White wants to mate with Rg4.} Rf8 31. Ref4 {[%csl Gd3][%cal Rg6h7] Weighted Error Value: White=0.20/Black=0.87} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.15"]
[White "Volovich, Julia"]
[Black "Toczek, Grzegorz"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1674"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,22,44,-10,22,-39,0,-31,4,0,26,31,29,39,51,-8,-12,-53,-53,-70,-77,-83,-43,-43,-4,-60,45,0,-2,-29,19,28,33,37,109,0,-3,0,17,0,39,48,56,7,28,0,32,31,49,10,30,24,45,0,0,0,0,0,41,-424,-428,-409,-395,-836,-827]} 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bf5 5. Bg5 Bg7 {[#]} 6. Qc1 $146 {E61: King's Indian: Early deviations for White, including Smyslov System.} (6. e3 $14) ({Predecessor:} 6. e3 O-O 7. Bd3 Bxd3 8. Qxd3 Nbd7 9. O-O h6 10. Bh4 Re8 11. Rfd1 c6 12. Rac1 Qa5 13. a3 Qh5 14. b4 e5 15. dxe5 dxe5 16. Bxf6 Nxf6 {1-0 (33) Akobian,V (2625)-Idani,P (2568) chess24.com INT 2019}) 6... h6 7. Bd2 (7. Bxf6 $11 Bxf6 8. e3) 7... Na6 (7... e5 $5) 8. a3 {The position is equal.} c5 (8... e5 $5) 9. d5 Rb8 10. Nh4 Bd7 11. e4 Nc7 12. Rb1 (12. Nf3 $14) 12... e6 $11 13. Nf3 exd5 $1 14. exd5 Bf5 15. Ra1 g5 16. Be2 O-O (16... b5 $5) 17. O-O (17. h4 $11 g4 18. Nh2) 17... a6 ({Black should play} 17... Re8 $15) 18. a4 Re8 {With the idea ...Nfxd5!} 19. a5 Nh7 {And now ...Bxc3 would win.} (19... Nfxd5 $5 20. cxd5 Bxc3 21. bxc3 Rxe2 $15) 20. Qd1 Qf6 21. Ne1 Qg6 (21... Qe7 $14 22. Bd3 Bxd3 23. Nxd3 Qf6) 22. Bg4 (22. g4 $16 Bd7 23. Bd3) 22... Bxg4 23. Qxg4 Re7 24. Qd1 b5 25. axb6 $1 Rxb6 26. Na4 Rb7 27. Rb1 Qe4 28. b3 Ne8 29. Nc2 Be5 30. Bc3 Qh4 {[%csl Ge5][%cal Rh4h2]} 31. g3 Qh3 32. Bxe5 Rxe5 33. Re1 Rbe7 34. Qd2 $2 {[%mdl 8192] [#]} (34. Rxe5 $14 {keeps the upper hand.} Rxe5 35. f3) 34... g4 $1 $19 35. Rxe5 Rxe5 36. Re1 $2 {[#]} (36. f4 gxf3 37. Re1) 36... Ng5 $1 {[%cal Rg5f3] Weighted Error Value: White=0.63/Black=0.21} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.16"]
[White "Blackburn, Jonathan L B"]
[Black "Shearsby, Jude"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2235"]
[BlackElo "1673"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,81,49,30,54,19,54,41,61,37,22,30,53,50,55,15,21,14,32,25,81,73,70,65,131,146,224,208,262,277,258,255,360,359,372,333,314,303,843,844,989,966,1647,1578,2070,1989,1896,1726,1664,1656,1710,1611,2414,1783,1916,1895,1980,1799,5419,3859,5614,5606,29993,29993,29993,29990,29990,29991,29991,29989,29989,29990]} 1. d4 Nc6 2. Nf3 d6 3. g3 Nf6 4. Bg2 g6 5. O-O Bg7 6. c4 O-O 7. d5 Nb8 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} 8. Nd4 Nbd7 9. b3 a5 {White is slightly better.} 10. Bb2 Nc5 11. Nc3 e5 {[#]} 12. dxe6 $146 ({Predecessor:} 12. Ndb5 Bf5 13. a3 h5 14. Re1 h4 15. b4 Nce4 16. Nxe4 Nxe4 17. Nc3 Ng5 18. e4 {0-1 (33) Santos,J (2345)-Padeiro,J Porto 1998}) 12... fxe6 13. a3 e5 14. Ndb5 Ne8 {Hoping for ...c6.} 15. b4 Na6 (15... Ne6 $11 {remains equal.}) 16. c5 $16 ({Much weaker is} 16. bxa5 c6 $15) 16... Kh8 17. Qd2 Qe7 {Black is now going downhill.} (17... Nf6 $1 $14) 18. cxd6 cxd6 (18... Qd7 $16 19. bxa5 Nc5) 19. Nd5 $18 Qe6 20. Nb6 ({Don't do} 20. bxa5 $6 Bd7 $16) 20... Rb8 21. bxa5 Nc5 (21... Bd7 {was necessary.}) 22. Rad1 Rf6 23. Qb4 g5 24. Qc4 Qf5 $2 {[#]} (24... Qxc4 25. Nxc4 Bg4) 25. Nxd6 $1 {[%mdl 576] Remove Defender, Decoy} Nxd6 (25... Rxd6 26. Rxd6) 26. Qxc5 {[%mdl 64] Double Attack} Nf7 27. Qc7 Rxb6 28. axb6 Ra8 29. Bxb7 Bxb7 30. Qxb7 Rf8 31. Qc7 Qh3 32. Qd7 Qh6 33. b7 Kg8 34. Qc7 g4 35. Rd7 {White threatens Rxf7! and mate.} Ng5 {[#]} 36. Rxg7+ $1 Kh8 (36... Qxg7 37. b8=Q) 37. Rxg5 {White mates.} Qxg5 38. Qxe5+ Qxe5 39. Bxe5+ Kg8 40. b8=Q Rxb8 41. Bxb8 {Weighted Error Value: White=0.12/Black=0.40} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.21"]
[Round "1.17"]
[White "Oh, Julie"]
[Black "Shafi, Declan"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1168"]
[BlackElo "2166"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,117,0,9,-18,-13,-29,-25,-35,-27,-56,-58,-58,0,-18,0,0,0,0,94,104,93,72,75,50,47,6,13,6,6,6,6,0,0,0,0,-19,-10,-26,-19,-19,-19,-81,-87,-95,-95,-102,-17,-117,-117,-115,-126,-297,-200,-297,-81,-297,-50,-297,-316,-395,-72,-475,-445,-1316,-1320,-975,-946,-793,-395,-395,-395,-29980,-29981,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29986,-29986,-29987,-29987,-29988,-29988,-29989,-29989,-29989,-29989,-29989,-29991,-29992,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. e4 e6 2. Nc3 d5 3. d4 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Nf3 Ne7 9. Bd3 {C19: French: 3 Nc3 Bb4: Main line: 7 Nf3 and 7 a4.} b6 10. O-O Ba6 11. Bxa6 {Black has an edge.} Qxa6 {[#]} 12. Qe1 $146 ({Predecessor:} 12. dxc5 bxc5 13. Be3 Nd7 14. Qd3 c4 15. Qd4 O-O 16. Ng5 Nf5 17. Qf4 Rab8 18. Ra2 Nxe3 19. Qxe3 {0-1 (60) Brunkow,A (1416)-Thomae,E (1839) GER email 2010}) 12... Nbc6 13. Be3 c4 (13... cxd4 $15 14. cxd4 O-O) 14. Nh4 O-O-O 15. a4 Rdg8 16. f4 Nf5 (16... g6 $11) 17. Nxf5 $16 exf5 18. Qb1 Qa5 19. Qb5 Kc7 20. Qxa5 (20. Qb2 {keeps more tension.} Re8 21. Rfb1 Re6 22. Qc1 a6 23. Bf2) 20... Nxa5 21. Rab1 Kd7 22. Bc1 Ke6 23. Ba3 h6 24. Bb4 {With the idea Bxa5.} Nc6 25. Kh1 g5 26. Rbe1 Rg6 27. Ba3 Rhg8 28. g3 (28. Kg1 $11) 28... g4 $1 $17 29. Kg2 h5 30. Rh1 Rh6 ({Better is} 30... h4 $17) 31. Bd6 (31. h4 $1 $11 {remains equal.}) 31... h4 {White is on the road to losing.} 32. Bb4 Rgh8 33. Rb1 $2 (33. Bd6 $17) 33... Kd7 34. Bd6 (34. h3 {keeps fighting.} hxg3 35. hxg4) 34... Kc8 $2 (34... hxg3 $19 {has better winning chances.} 35. hxg3 Rxh1 36. Rxh1 Rxh1 37. Kxh1 a5) 35. Rbe1 $2 {[#]} (35. h3 $17 {was the only defense.}) 35... Kb7 $2 (35... hxg3 $1 $19 36. hxg3 Rxh1 37. Rxh1 Rxh1 38. Kxh1 a5) 36. Bb4 $2 (36. h3 $1 $15) 36... a5 37. Bd6 {intending h3.} Ka6 $2 (37... hxg3 $19 {and Black stays clearly on top.} 38. hxg3 Rxh1 39. Rxh1 Rxh1 40. Kxh1 b5) 38. Rb1 $2 {[%mdl 8192] [#]} (38. h3 $17 Rg6 39. Re3) 38... hxg3 $1 $19 {[%cal Rh6h2]} 39. hxg3 (39. Bc7 $142 gxh2 40. Bxb6) 39... Rxh1 40. Rxh1 Rxh1 41. Kxh1 {[%mdl 4096] Endgame KB-KN} Na7 (41... b5 $142 42. axb5+ Kxb5) 42. Kg1 b5 43. axb5+ (43. Kf1 $19) 43... Nxb5 {Black mates.} 44. Kf2 a4 45. Ke1 a3 46. Bxa3 Nxa3 {KN-KP} 47. Kd2 Nb5 48. Ke2 Nxc3+ 49. Ke3 Ne4 50. Ke2 Nxg3+ 51. Kf2 Ne4+ 52. Kg2 Kb5 53. Kf1 c3 54. Ke2 Kc4 55. Ke3 g3 56. e6 g2 57. exf7 g1=Q+ 58. Ke2 Qf2+ {[%mdl 64] Double Attack} 59. Kd1 Qd2# {Weighted Error Value: White=0.58/Black=0.56} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.1"]
[White "Adams, Michael"]
[Black "Claridge-Hansen, William"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2716"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,143,19,14,16,0,0,0,0,0,11,16,14,0,0,0,0,-5,9,23,19,18,21,21,25,17,47,18,56,6,81,81,88,83,106,35,37,37,37,39,48,45,38,18,36,18,19,12,12,4,4,6,11,12,19,0,0,0,0,0,0,0,33,16,16,16,25,4,5,4,14,10,9,11,25,24,59,70,134,139,164,156,393,1015,1365,2225,4103,2763,1332,1147,2376,5072,5425,2513,5065,3975,3228,812,1300,3760,1278,994,947,889,866,844,29982,29983,29983,29984,29984,29985,29985,29986,29986,29985,29985,29986,29987,29986,29986,29987,29989,29990]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Bb4+ 11. Ke2 f5 12. exf6 Nxf6 {[#] B45: Sicilian Four Knights.} 13. Be3 $1 Qd8 14. Nd6+ Bxd6 {The position is equal.} 15. Qxd6 Bb7 16. Kd1 c5 17. Bd3 $5 {[%mdl 4] Exploring less charted territory.} ({Much weaker is} 17. Bxc5 Ne4 $15) 17... Rc8 18. Bxc5 Be4 {aiming for ...Bxd3.} 19. Ba3 {[#]} Bxd3 $146 (19... Rc6 $5 {[%cal Rc6d6]} 20. Qd4 {[%mdl 64] Double Attack} Bxd3 21. Qxd3 Qc7 $15) ({Predecessor:} 19... Rc6 20. Qd4 Bxd3 21. Qxd3 Qc7 22. Rc1 d5 23. Qd4 dxc4 24. Kc2 Kf7 25. Rhd1 Rc8 26. Kb1 c3 27. bxc3 Rc4 28. Qd6 Rxf4 29. Rc2 {½-½ (29) Cornette,M (2594)-Navrotescu,C (2358) Cappelle-la-Grande 2016}) 20. Qxd3 Qc7 21. Rc1 Qxf4 22. Rf1 Qg4+ 23. Qe2 Qxe2+ 24. Kxe2 Kf7 25. b4 d5 (25... e5 $11) 26. cxd5 $16 exd5 27. Kd3 Ke6 28. Bb2 (28. b5 $16) 28... Rxc1 $14 29. Rxc1 {[%mdl 4096] Endgame KRB-KRN} Rb8 30. Rc6+ Kd7 31. Ra6 Rxb4 32. Rxa7+ Ke6 33. Bd4 (33. Re7+ {with more complications.} Kf5 34. Bd4 Kg6 35. Rc7 Nh5 36. Ke3) 33... Nd7 34. a3 Rc4 35. Ke3 Rc2 36. Ra6+ Kf7 37. Kf3 Rd2 38. Be3 Ra2 39. h3 Ne5+ 40. Kg3 Nc4 41. Bc5 d4 {White must now prevent ...d3.} 42. Ra4 (42. Ra7+ {looks sharper.} Kg6 43. Ra4 Ne3 44. Kf3 Nxg2 45. Bxd4 Ne1+ 46. Ke4) 42... Ne3 43. Kf3 Nxg2 44. Rxd4 g5 45. Kg4 {next Rd7+ is good for White.} Nf4 46. Kf5 Rc2 47. Bb4 Rc7 48. Rd6 Kg7 49. h4 Rf7+ (49... h6 $14) 50. Kxg5 $16 Nh3+ 51. Kh5 Nf2 $2 {This move loses the game for Black.} (51... Nf4+ $16 {might work better.} 52. Kg4 Ng6) 52. Bc3+ $18 Kf8 53. Rf6 Ne4 54. Rxf7+ Kxf7 {KB-KN} 55. Be1 Nc5 56. Kh6 (56. Bb4 $142 Na4 57. Kh6) 56... Kg8 57. Bf2 Ne4 58. Bg1 Nc3 59. Bd4 (59. a4 $142 Nd5 60. a5) 59... Ne2 60. Be5 Ng1 61. a4 {[%cal Ba3a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Nf3 62. Bf6 Kf7 {[#]} 63. a5 $1 {Bc3 is the strong threat.} Nh2 (63... Kxf6 64. a6) 64. Bc3 {White mates.} Ng4+ 65. Kxh7 Ne3 66. a6 Nd5 {[#]} 67. a7 $1 Nc7 (67... Nb6 68. h5) 68. Be5 Na8 69. h5 Nb6 70. Bd4 Na8 71. Kh6 Ke6 72. Kg6 {Weighted Error Value: White=0.08/Black=0.16} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.2"]
[White "Toma, Katarzyna"]
[Black "Turner, Matthew J"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2289"]
[BlackElo "2509"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,116,-5,0,0,0,0,-2,-5,0,-10,-12,-14,-11,-25,-29,-31,4,16,18,5,20,7,12,22,28,36,39,16,21,8,29,0,56,54,58,14,5,0,4,0,31,32,20,0,0,-6,-8,-8,-22,-31,0,0,0,-6,62,44,30,22,47,-44,0,-61,-61,-61,-61,-62,-62,-77,-54,-55,-9,-35,-41,-30,-22,-9,-20,-47,-57,-52,0,-52,-49,-474,-500,-467,-6,-500,-468,-430,0,0,0,-503,-503,-488,-495,-486,-488,-467,-436,-456,-445,-433,-430,-4690,-518,-478,-414]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Bd6 (5... b5 $5 6. Bb3 $8 Be7 $11) 6. c3 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} O-O 7. d3 Re8 8. Nbd2 {The position is equal.} Bf8 9. Nf1 b5 10. Bb3 Na5 11. Bc2 d5 12. Ng3 Nc6 13. O-O h6 14. h3 Be6 15. Rd1 d4 {[#]} 16. Bb3 $146 ({Predecessor:} 16. Nh2 dxc3 17. bxc3 b4 18. Bb2 bxc3 19. Bxc3 Bb4 20. Bxb4 Nxb4 21. Ba4 Bd7 22. Bxd7 Qxd7 {1-0 (82) Craciun,P (2192)-Petkov,V (2520) Sunny Beach 2007}) 16... g6 17. Bxe6 Rxe6 18. a3 dxc3 19. bxc3 Qe8 20. Be3 Rd8 (20... Na5 $11) 21. Qc2 $14 Nd7 22. d4 {Hoping for d5.} Na5 $1 23. d5 Rd6 24. Nd2 Nb6 25. a4 {axb5 is the strong threat.} Nbc4 26. Bc5 Rf6 27. Bb4 Nxd2 $1 28. Rxd2 Nc4 29. Rdd1 Bxb4 30. cxb4 Qe7 31. Qc3 Qd6 (31... c6 $11) 32. axb5 axb5 33. Ra2 Qb6 34. Rda1 (34. Nf1 $14) 34... Kg7 35. Nf1 (35. h4 $11) 35... c6 $15 36. dxc6 Qxc6 37. f3 Rfd6 38. Qe1 Qb6+ 39. Kh2 R8d7 40. h4 Qd8 41. Ra8 Qf6 42. Rb8 Qf4+ 43. Kh3 g5 {Threatens to win with ...Rd1!} 44. Nh2 {[#]} Rd2 (44... Rd1 $1 $15 45. Rxd1 Rxd1) 45. Qg3 ({White should try} 45. Raa8 $11 Ne3 46. Rg8+ (46. g3 $2 Rxh2+ {[%mdl 64] Remove Defender} 47. Kxh2 Qxf3 $19) 46... Kf6 47. g3 Rxh2+ {[%mdl 64] Remove Defender} 48. Kxh2 Qxf3 49. Ra2) 45... Ne3 $1 $40 {[%mdl 128] Black has some attack.} 46. Raa8 $2 {[%mdl 8192]} ({White should play} 46. Qxf4 $15 exf4 47. Rg1) 46... Qxg3+ $19 47. Kxg3 Rxg2+ 48. Kh3 Rdd2 $1 49. Rg8+ Kf6 $2 (49... Kh7 $19 50. Rh8+ Kg6) 50. Ra6+ Ke7 51. Ra7+ $2 {[%mdl 8192] [#]} (51. Ng4 $11 {and White stays safe.} Nxg4 52. Ra7+ Kd6 53. Rb8 Rh2+ 54. Kxg4 Rxh4+ 55. Kg3) 51... Ke6 $1 {Black is clearly winning.} 52. Re8+ Kf6 53. hxg5+ hxg5 54. Ng4+ Nxg4 55. fxg4 {[#]} Rge2 $1 {[%cal Re2e3]} 56. Ra3 Rxe4 {And now ...Ree2 would win.} 57. Rb8 (57. Rf3+ $142 Rf4 58. Re3) 57... Rxb4 (57... Ree2 $142 {( -> ...e4)} 58. Rxb5 Kg6 59. Rb6+ f6) 58. Rf3+ Rf4 {[%cal Rf4f3] Weighted Error Value: White=0.49/Black=0.25} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.3"]
[White "Ghasi, Ameet K"]
[Black "Tanmay Chopra"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2485"]
[BlackElo "2273"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,59,8,0,13,0,0,-4,10,12,24,0,0,0,0,0,29,21,34,23,29,20,27,27,223,256,285,263,431,346,325,302,670,228,650,620,615,237,298,233,854,840]} 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c4 e5 6. Nc3 Nge7 7. a3 a5 8. d3 d6 9. Rb1 O-O 10. Bd2 Rb8 11. Qa4 Be6 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} 12. Rfc1 h6 {[#]} 13. e3 $146 ({Predecessor:} 13. Qd1 g5 14. h4 f6 15. hxg5 hxg5 16. Ne1 Kf7 17. Nc2 Rh8 18. b4 Qg8 19. Ne4 {1-0 (38) Meier,G (2628)-Firouzja,A (2702) chess24.com INT 2020}) 13... Kh8 {The position is equal.} 14. Nb5 Ra8 15. Bc3 d5 16. cxd5 Nxd5 17. Be1 c4 18. dxc4 ({Of course not} 18. Rxc4 Nb6 $17) 18... Nb6 19. Qc2 Bxc4 {[#]} 20. Rd1 $1 Qe7 21. Nd6 $36 {[%mdl 2048] Black is under pressure.} Ba6 {A mistake that costs the game.} (21... Bd5 $11 {and Black has nothing to worry.}) 22. b4 $1 $18 {[%cal Rb4b5]} Nc8 {[#]} 23. Nxf7+ {[%mdl 512]} Rxf7 $2 (23... Qxf7 24. b5 Bxb5) 24. b5 Bxb5 25. Rxb5 {Strongly threatening Nh4.} g5 {[#]} (25... Nd6) 26. Nd2 $2 (26. Nxe5 $1 {[%mdl 512]} Nxe5 27. Rxb7) 26... Qxa3 $2 (26... Nd6) 27. Bxc6 bxc6 {[#]} 28. Qxc6 (28. Nc4 $1 {[%mdl 512]} Qf8 29. Nxe5) 28... Rfa7 29. Nc4 Ne7 $2 {[#]} (29... Qf8 30. Nxe5 (30. Bxa5 Ne7 $18) 30... Ne7) 30. Qxa8+ $1 {[%mdl 512] Weighted Error Value: White=0.53/Black=0.93} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.4"]
[White "Fernandez, Daniel Howard"]
[Black "Blackburn, Jonathan L B"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2466"]
[BlackElo "2235"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,40,39,41,39,45,49,42,96,65,52,55,66,65,104,89,110,100,94,102,97,100,114,108,105,110,115,111,121,125,111,70,70,72,115,70,68,25,29,29,77,84,75,73,64,18,64,52,60,80,78,56,142,125,136,35,35,34,34,41,48,51,44,52,46,0,52,48,55,54,84,66,71,71,66,20,63,25,25,25,82,78,837,822,29985,29986,29985,29986]} 1. e4 e6 2. g3 b6 3. Bg2 Bb7 4. Ne2 f5 5. d3 fxe4 6. O-O {C00: French: Unusual White 2nd moves.} Nf6 7. Nbc3 Bc5 8. Bg5 {[%cal Rc3e4] [#] White is slightly better.} h6 $146 ({Black should try} 8... Nc6 $14) ({Predecessor:} 8... Nc6 9. Bxf6 gxf6 10. Nxe4 Be7 11. Nf4 O-O 12. d4 f5 13. Nd2 Bd6 14. d5 Ne7 15. dxe6 Bxg2 16. Nxg2 dxe6 {1-0 (34) Lundin,J (2288)-Brkic,Z (2130) Belgrade 2018}) 9. Bxf6 (9. Nxe4 {with more complications.} Bxe4 10. Bxe4 Nc6 11. Bg6+ Kf8 12. Bh4) 9... Qxf6 10. Nxe4 Bxe4 11. Bxe4 d5 12. Bg2 O-O 13. d4 Bd6 14. c4 $1 c6 15. Rc1 a5 16. f4 Ra7 17. Kh1 Kh8 18. Ng1 dxc4 19. Rxc4 c5 20. dxc5 Bxc5 21. Nf3 Rd7 22. Qe2 Nc6 23. Nh4 Nd4 24. Qh5 Rfd8 25. Ng6+ Kg8 {[#] And now ...Qf5 would win.} 26. Ne5 $36 {[%mdl 2048] White is in control.} Rd6 27. a3 {b4 is the strong threat.} Nf5 28. b4 axb4 29. axb4 Bd4 30. Qe2 b5 (30... Qf8 $14) 31. Rc7 $16 Ne3 32. Ng4 ({White must play} 32. Rf7 $16 Qxf7 33. Nxf7 Kxf7 34. Rg1 (34. Qxb5 Nxf1 35. Bxf1 Rd5 $14)) 32... Nxg4 $14 33. Qxg4 Bc3 34. Rb7 Bxb4 35. Rxb5 Bc3 36. h4 Rd2 37. Rb6 R2d6 (37... Qf5 $11 38. Qxf5 exf5) 38. Rxd6 Rxd6 39. Rb1 Bb2 40. Qh5 {Strongly threatening Rxb2!} Rd8 41. Qe2 Bd4 42. Re1 Kf8 43. Qc4 ({Don't play} 43. Qxe6 $6 Bf2 $11) 43... Bf2 44. Rxe6 Rd1+ {[#]} (44... Qd4 $11 {keeps the balance.} 45. Qxd4 Rxd4) 45. Bf1 $1 $16 ({But not} 45. Kh2 $6 Bg1+ 46. Kh1 Be3+ 47. Kh2 Bg1+ 48. Kh1 Be3+ 49. Kh2 Bg1+ $11) 45... Rxf1+ $2 {[%mdl 8192]} 46. Kg2 $18 {Qc8+ would kill now.} Rc1 47. Rxf6+ gxf6 48. Qxc1 {Weighted Error Value: White=0.13/Black=0.38} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.5"]
[White "Toczek, Grzegorz"]
[Black "Hebden, Mark L"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2271"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,126,14,6,20,22,18,0,0,0,0,0,17,0,6,0,0,-11,19,14,33,25,58,61,101,100,119,127,142,148,120,146,122,80,77,24,21,31,38,38,39,29,31,-37,-37,-29,-26,-87,-67,-131,-126,-122,-17,-23,0,-30,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,4,4,4,4,0,4,0,4,0,4]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a3 O-O 9. Nc3 Na5 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} 10. Ba2 c5 11. Bg5 $1 {[%mdl 4] is currently scoring better than 11.b4.} Nc6 12. Bxf6 Bxf6 13. Nd5 Be6 14. c3 g6 {[#]} 15. Ne3 $146 ({Predecessor:} 15. b4 cxb4 16. axb4 Bg7 17. Ne3 Bd7 18. Bd5 a5 19. bxa5 Rxa5 20. Qb3 Ne7 21. Qb4 Rxa1 22. Rxa1 Nxd5 23. Nxd5 {1-0 (43) Perez Ponsa,F (2554)-Guerra Mendez,J (2534) Barcelona 2018}) 15... Bg7 16. Bd5 Rc8 17. a4 b4 18. a5 Bxd5 19. Nxd5 f5 20. Nd2 bxc3 21. bxc3 Ne7 22. Qb3 {[#] Hoping for Nxe7+.} Kh8 23. Nxe7 Qxe7 24. Qd5 c4 25. Nxc4 (25. dxc4 $16 Bh6 26. Rfb1) 25... Rc5 $11 26. Qxd6 Qxd6 27. Nxd6 Rxc3 28. Rfd1 Rc6 29. Nc4 (29. Nb7 $1 $14) 29... fxe4 $15 30. Nd2 exd3 31. Ra3 (31. Ne4 $11 {remains equal.}) 31... Rd8 $17 32. Ne4 (32. Kf1 $15) 32... Bf8 33. Rb3 Rc4 ({Black should play} 33... d2 $1 $17 {Strongly threatening ...Rc1!} 34. Kf1 Rd4) 34. f3 $1 $11 Rcd4 35. Rb6 Bb4 (35... Rxe4 $5 36. fxe4 Bc5+ {[%mdl 64] Double Attack} 37. Kf1 Bxb6 38. axb6 Rd6 $11) 36. Rxa6 {The position is equal.} Rf8 37. Rf6 Rxf6 38. Nxf6 Bxa5 {[%mdl 4096] Endgame KRB-KRN} 39. Kf1 Kg7 40. Ne4 Kf7 41. Nf2 Ke6 42. Rxd3 Rb4 43. Ne4 Rb1+ 44. Kf2 Be1+ 45. Ke2 Bb4 46. Kf2 h6 (46... Rb2+ {with more complications.} 47. Kg3 Be7 48. Rc3 h5 49. Rc6+ Kf7) 47. Kg3 Rb2 48. Kh3 Be7 49. Rc3 h5 50. Rc6+ Kf7 $1 51. Ra6 Rb5 (51... Rb3 {seems wilder.} 52. Ra5 Ke6 53. Ra6+ Kf7) 52. Ra7 {[#] aiming for Nd6+.} Ke6 53. Ra6+ Kf7 54. Kg3 Rb7 55. h4 Rb1 56. Ra7 Ke6 57. Ra6+ Kf7 58. Ng5+ (58. Nd6+ {is more complex.} Bxd6 59. Rxd6 Rb3 60. Ra6 e4 61. Ra7+) 58... Bxg5 59. hxg5 Rb5 60. Rf6+ Kg7 61. Ra6 Kf7 62. Rf6+ Kg7 63. Ra6 Kf7 {Weighted Error Value: White=0.08/Black=0.07} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.6"]
[White "Wadsworth, Matthew J"]
[Black "Villiers, Thomas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2416"]
[BlackElo "2161"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,156,39,26,33,30,60,32,77,38,55,44,50,33,73,73,81,77,97,41,63,48,68,69,56,48,38,42,48,50,83,87,80,88,91,54,60,56,56,44,48,33,47,43,72,45,59,32,33,18,137,31,31,35,33,0,2,0,93,98,107,92,160,152,149,139,140,141,139,93,99,94,120,120,120,101,136,136,143,72,86,81,119,101,101,101,101,101,112,112,112,112,254,254,254,254,254,254,254,254,254,254,254,254,254,16,80,8,8,0,48,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 Nf6 6. d4 cxd4 7. Nxd4 O-O 8. O-O Nxd4 9. Qxd4 d6 10. Qd3 Nd7 11. b3 Nc5 12. Qd2 Be6 {A39: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6 6 0-0 0-0 7 d4.} 13. Bb2 Qd7 14. Rfd1 {[#]} Rfc8 $146 {White is slightly better.} ({Predecessor:} 14... Rac8 15. Rac1 a6 16. h4 Rc7 17. Kh2 Rfc8 18. h5 b5 19. b4 Nb7 20. h6 Bf8 21. c5 dxc5 22. Qf4 Nd6 23. Ne4 {1-0 (23) Demidov,M (2511)-Dvalishvili,P (2414) Moscow 2018}) 15. Rac1 a5 16. Ba3 Rab8 17. Bxc5 Rxc5 18. Na4 Rh5 19. c5 Bg4 20. cxd6 (20. Nb6 $16 Qe6 21. cxd6 exd6 22. Qxd6 Qxd6 23. Rxd6) 20... Bh6 21. f4 Qxd6 $1 22. Qxd6 exd6 23. Bf3 Bxf3 24. exf3 Bf8 25. Nb6 Rc5 26. Nd7 Rxc1 27. Rxc1 $16 {[%mdl 4096] Endgame KRB-KRN} Ra8 28. Nf6+ Kg7 29. Nd5 Ra6 30. Rc7 Rc6 31. Rxb7 Rc5 32. Ne3 d5 33. Rd7 Rc1+ 34. Kf2 Bc5 {[#] Threatens to win with ...Rc2+.} 35. Ke2 a4 (35... Ra1 $11 {remains equal.}) 36. bxa4 (36. Rxd5 $16 axb3 37. axb3) 36... Ra1 $14 37. Ng4 Rxa2+ 38. Kd3 Ra3+ 39. Kc2 Bd4 (39... Rxa4 $11 {keeps the balance.} 40. Rxd5 Be7) 40. Rxd5 $16 Bb6 41. Rb5 Bd8 (41... Bg1 $142) 42. Ne5 Rxa4 43. Rb7 Ra2+ 44. Kd3 Rxh2 45. Rxf7+ Kg8 46. Rb7 Ba5 47. Ng4 Rd2+ 48. Ke4 Bc3 49. f5 Rb2 {[#]} 50. Rc7 ({White should play} 50. Nh6+ $1 Kh8 51. Ra7) 50... gxf5+ 51. Kxf5 Bg7 52. Ne5 Bxe5 53. Kxe5 {KR-KR} Rb3 54. Kf4 Rb5 55. Kg4 Ra5 56. f4 Rb5 (56... Ra3 $16 57. Kh4 Rf3) 57. Kh4 $18 Rb4 58. Kg5 Rb6 59. g4 Rg6+ 60. Kh5 Kh8 61. f5 Ra6 62. Kg5 Kg8 63. f6 $2 (63. Re7 $18) 63... Ra1 $11 64. Rb7 ({Better is} 64. Rg7+ $16 Kh8 65. Kf5) 64... Rf1 65. Rc7 {aiming for Re7.} Rf2 66. Rc8+ Kf7 {The position is equal.} 67. Rh8 (67. Rc3 {is interesting.} Rh2 68. Rc7+ Kf8 69. Re7 Rh1 70. Ra7) 67... Rh2 68. Kf5 {Strongly threatening g5.} Rf2+ 69. Kg5 Rh2 70. Rb8 h6+ 71. Kf5 Rf2+ 72. Ke5 {Rb7+ is the strong threat.} Rxf6 73. Rf8+ Kxf8 74. Kxf6 {Kg6 would kill now.} h5 75. gxh5 {KP-K} Kg8 76. h6 Kh8 77. Kg6 Kg8 78. h7+ Kh8 79. Kh6 {Black escapes into a draw.  Weighted Error Value: White=0.16/Black=0.20} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.7"]
[White "Finn, Peter"]
[Black "Lalic, Bogdan"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1959"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,46,43,43,46,23,69,-26,-21,-12,14,-12,-6,-13,-4,-84,-93,-105,-123,-145,-145,-161,-55,-31,-50,-41,74,77,115,133,125,120,260]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. c4 Qb6 7. Nc2 g6 8. Nc3 Bg7 9. Rb1 Ng4 $1 {[%csl Gg4][%cal Rb6f2] 9...Ng4 is better than 9...0-0. B55: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3.} 10. Qd2 Bh6 11. f4 ({White should try} 11. Qe2 $1 $14 Bxc1 12. Nd5) 11... e5 $11 {Black has an edge.} 12. Nd5 Qd8 13. Qc3 (13. Be2 {keeps more tension.} exf4 14. O-O Nf6 15. Qc3 Bg7 16. Bxf4 Nh5 17. Qd2) 13... O-O 14. Be2 $1 Bg7 {[#] Threatening ...exf4.} 15. Bxg4 $146 (15. Qd3 $11 {remains equal.}) ({Predecessor:} 15. Qg3 h5 16. O-O exf4 17. Bxf4 h4 18. Qe1 Re8 19. Qd1 Nge5 20. Qd2 f6 21. Bh6 {0-1 (44) Faulks,N (2106)-Harper,R (2262) Nassau 2010}) 15... Bxg4 $17 16. Qg3 f5 17. h3 Bh5 18. exf5 exf4 (18... Rxf5 $19 {And now ...exf4 would win.} 19. Qf2 Qa5+ 20. Bd2 Qa4) 19. Bxf4 $15 Qa5+ 20. Bd2 Qxa2 (20... Qc5 $15 {stays ahead.} 21. Nce3 Qd4) 21. O-O $16 {aiming for f6.} Rxf5 {[#]} 22. Bc3 $1 Raf8 {[#] Threatens to win with ...Rxf1+.} 23. Rfe1 {[%mdl 1024] Bxg7 is the strong threat. White has strong compensation.} Qb3 {[%mdl 32768] What a bad dream for Black.  Weighted Error Value: White=0.17/Black=0.26. An unexpected result.} (23... Be5 $16 24. Bxe5 Nxe5) 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.8"]
[White "O'gorman, Tom"]
[Black "Gurner, Jem"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2368"]
[BlackElo "1800"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,86,60,57,54,53,45,49,43,48,30,64,50,56,43,37,31,70,-13,-4,-25,-22,-52,-52,-57,-55,-106,-105,-104,-106,-116,-96,-86,0,0,0,0,0,0,19,28,25,13,58,56,44,45,56,12,26,-6,64,0,0,0,0,0,3,0,0,-158,-65,-64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 g6 2. Nf3 Bg7 3. c4 d6 4. Nc3 Nc6 5. g3 e5 6. dxe5 Nxe5 7. Nxe5 {A41: 1 d4 d6: Tartakower System and Modern Defence.} Bxe5 8. Bg2 Ne7 9. Bg5 {White is slightly better.} c6 10. Qd2 {[#]} O-O $146 ({Predecessor:} 10... Be6 11. Ne4 f5 12. f4 fxe4 13. fxe5 dxe5 14. Qc3 Qd4 15. Qb4 Qd7 16. O-O Nf5 {½-½ (31) Varin,I (2116)-Bolschakov,A (2348) Russia 2000}) 11. Rd1 Be6 12. c5 {[%cal Rc5d6]} d5 13. e4 {[%cal Re4d5]} Re8 14. f4 (14. O-O $14) 14... Bg7 $11 15. O-O {[%cal Re4d5]} Bg4 16. Rb1 {[%cal Re4d5]} dxe4 17. Qxd8 Raxd8 18. h3 (18. Nxe4 $15 Bf5 19. Kh1) 18... Bf3 $17 19. Bxf3 exf3 20. Ne4 Bd4+ 21. Kh2 h6 ({Better is} 21... Rd7 $17 {Hoping for ...Nd5.} 22. Nd6 Rb8 23. Rxf3 Nd5) 22. Bf6 $11 Nd5 23. Bxd8 {Strongly threatening Nd6.} Rxe4 24. Rxf3 Re2+ 25. Kh1 Bxc5 26. Ba5 f5 27. Bc3 Kf7 28. Rd3 Ke6 29. a3 h5 30. h4 a6 (30... Nxc3 $11 31. bxc3 b5) 31. Be5 (31. b4 $14 Bb6 32. Rbd1) 31... Ne3 $1 32. Bd4 Bxd4 33. Rxd4 {[%mdl 4096] Endgame Black should prevent Rd8. KRR-KRN} Ng4 34. Rb4 b5 35. Rb3 $2 {[#]} ({White should try} 35. Rd4 $1 $11) 35... Nf2+ (35... c5 $1 $17 36. Kg1 Nf2) 36. Kg1 $15 Ne4 (36... c5 $1 $15) 37. Rd1 {The position is equal.} c5 {And now ...c4 would win.} 38. a4 b4 {White must now prevent ...a5.} ({But not} 38... bxa4 39. Rb6+ Ke7 40. Ra1 $18) (38... c4 $5 39. Rb4 $8 Nd6 $11) 39. a5 Rc2 40. Rd8 $1 Rc1+ 41. Kg2 Rc2+ 42. Kg1 Rc1+ 43. Kg2 Rc2+ {Weighted Error Value: White=0.20/Black=0.15} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.9"]
[White "Shafi, Declan"]
[Black "Grieve, Harry"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2166"]
[BlackElo "2351"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,76,58,29,35,37,37,37,70,0,0,0,13,34,99,-92,-45,-91,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-30,24,27,31,38,30,26,63,-10,-3,0,-23,-82,-114,-215,-156,-204,-136,-253,-267,-652,-620,-898,-872,-839,-183,-29986,-1225,-1502,-1516,-1331,-1232,-29996,-29997,-29997,-29998]} 1. d4 f5 2. Bg5 g6 3. e3 Bg7 4. Nc3 d5 5. h4 c6 6. Bd3 Nh6 {A80: Dutch Defence: Unusual White second moves.} 7. Qf3 Nf7 8. Qg3 {[#]} Qb6 $146 {White is slightly better.} ({Predecessor:} 8... Nd7 9. Nf3 Nf6 10. h5 Nxh5 11. Rxh5 gxh5 12. Bxe7 Kxe7 13. Qxg7 Qg8 14. Qxg8 Rxg8 {1-0 (51) Neukirchner,P (2259)-Langrock,H (2352) Plochingen 2020}) 9. Nf3 ({White should try} 9. O-O-O $14) 9... Qxb2 $11 10. Kd2 {Strongly threatening Bf4.} Nd7 11. Bf4 Rg8 (11... Qa3 $14) 12. Bc7 $2 (12. Rhb1 $16 {stays on course.} Qa3 13. Rb3) 12... Qa3 13. Rab1 {[#] Black must now prevent Rb3.} e6 (13... Nc5 $1 $17) 14. Ng5 $1 Nf6 15. Nxf7 Kxf7 16. Bd6 Qa5 17. Bc7 Qa3 18. Bd6 Qa5 19. Bc7 $36 {[%mdl 2048] White is more active.} b6 20. Bd6 $1 {[%cal Rd6b4] And now Bb4 would win.} Bf8 $1 21. Rb3 Bxd6 (21... Ne8 $142 22. Bxf8 Kxf8) 22. Qxd6 b5 23. Qxc6 Bd7 24. Qd6 Rgc8 25. f3 (25. Ra3 $14 Qd8 26. Ra6 (26. Nxb5 Rc6 $14) (26. Bxb5 $2 Rxc3 27. Bd3 Rc6 $19)) 25... Rc6 26. Qb4 Qc7 {aiming for ...a5.} 27. Nxb5 (27. Ne2 $11) 27... Qg3 $17 28. Rhb1 (28. Kc1 $17 {was worth a try.}) 28... a6 29. Nc3 Rac8 30. R1b2 (30. Qa3 $17) 30... Qxg2+ $19 31. Be2 $2 (31. Ne2) 31... f4 32. exf4 Rc4 33. Qb6 Qf2 $2 (33... R8c6 34. Qa7 Qf2) 34. Kd3 $2 (34. Nd1 $19 Qh2 35. Re3) 34... e5 (34... Nh5 $142 35. Kd2 Nxf4 36. a4 {[#]} Rxc3 $1 {[%mdl 512]} 37. Kc1 Nxe2+ 38. Kb1 Rxb3 39. Qxb3 Qf1+ 40. Ka2 Nc1+ {[%mdl 64] Double Attack} 41. Ka3 Nxb3 42. h5 Qa1+ 43. Ra2 Qc3 44. hxg6+ hxg6 45. Rb2 Nc1+ 46. Rb3 Qa1+ 47. Kb4 Qxa4#) 35. fxe5 Bf5+ 36. Kd2 Rxd4+ 37. Kc1 Qe3+ {[%mdl 64] Double Attack} 38. Kb1 Qg1+ {Weighted Error Value: White=0.79/Black=0.48} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.10"]
[White "Goss, Alex"]
[Black "Ismail, Mohammed Aayan"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1833"]
[BlackElo "1719"]
[Annotator "NA RC"]
[PlyCount "84"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 Bg4 6. Be2 Bxe2 7. N1xe2 e6 8. c4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 Nbd7 11. O-O O-O 12. Rad1 Qc7 13. Rfe1 Rad8 14. Qf4 Qa5 15. a3 Nb6 16. Qc1 c5 17. b3 cxd4 18. Nxd4 Qc5 19. Nc2 Qc7 20. h3 h6 21. Qe3 Rd7 22. Ne4 Nxe4 23. Qxe4 Rfd8 24. Qf3 Rxd1 25. Rxd1 Rxd1+ 26. Qxd1 Qd7 27. Qd4 Qxd4 28. Nxd4 Kf8 29. Nb5 Nc8 30. Kf1 Ke7 31. Ke2 a6 32. Nd4 Kd6 33. Kd3 Ne7 34. f4 Ng6 35. g3 f5 36. b4 h5 37. h4 Ne7 38. c5+ Kd5 39. a4 Nc8 40. Nc2 Ne7 41. Ne3+ Kc6 42. Kd4 Nd5 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.11"]
[White "Balaji, Aaravamudhan"]
[Black "Finn, Chris"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2206"]
[BlackElo "1886"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,72,15,15,14,21,19,33,30,31,32,39,43,43,59,62,12,43,11,0,-44,-38,-42,0,0,0,0,0,0,0,0,0,0,102,114,106,109,383,386,406,418,477,422,514,392,378,370,800,795,781,771,1031,621,714,684,591,635,1184,1130,29997,29998,29999]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 O-O 8. Nf3 {D35: Queen's Gambit Declined: Exchange Variation.} h6 9. Bh4 Be6 10. Ne5 {White is slightly better.} c5 11. O-O cxd4 12. exd4 Nc6 13. Nxc6 bxc6 {[#]} 14. Rc1 $146 ({Predecessor:} 14. Bc2 Be7 15. Re1 Qd7 16. Na4 Rfe8 17. Rc1 Rac8 18. Bxf6 Bxf6 19. Qd3 g6 20. Nc5 {½-½ (64) Ivekovic,A (2087)-Bedic,Z (2171) Grubisno Polje 2014}) 14... c5 15. Nb5 c4 16. Bb1 Bf4 {Threatens to win with ...Rb8.} 17. Qc2 $1 g5 18. Bg3 Bxc1 19. Rxc1 Qb6 20. Nc7 {[#] Strongly threatening Be5.} Rac8 ({Not} 20... Qxd4 $2 21. Nxe6 Qe4 22. Nxf8 $18) 21. Be5 {[%cal Re5f6]} Ne4 22. Nxe6 Qxe6 (22... fxe6 $11 {remains equal.} 23. Qe2 Rxf2) 23. f3 $16 f5 24. fxe4 dxe4 {[%mdl 8192] Loses the game.} (24... fxe4 $16 25. h3 Rf7) 25. a3 $18 Qb6 26. Ba2 Rfe8 {aiming for ...Rxe5.} 27. Kh1 Qa5 28. Qe2 Kh7 29. h3 c3 $2 (29... Rxe5 30. dxe5 Qxe5 31. Bxc4 Kh8) 30. Rxc3 Rxc3 31. bxc3 {Intending Qc4 and mate.} Qxc3 32. Qb5 {White wants to mate with Qd7+.} Qc8 33. Qd5 {[%cal Rd5f7]} Re7 34. Qd6 Qf8 35. Be6 {White threatens Bxf5+! and mate.} Kg6 {[#]} 36. Bxf5+ $1 {[%mdl 576] Remove Defender} Kxf5 (36... Kh5 37. Qg6+) 37. g4# {Weighted Error Value: White=0.27/Black=0.64} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.12"]
[White "Stubbs, Oliver"]
[Black "Cox, Tristan A"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1905"]
[BlackElo "2141"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,0,19,10,0,-27,-26,-23,-28,-43,-45,-45,-47,-36,4,-32,-14,-50,-47,-105,-110,-111,-89,-70,-84,-71,-79,-128,-99,-208,-197,-199,-204,-200,-194,-197,-204,-352,-189,-283,-166,-286,-184,-339,-210,-377,-306,-293,-221,-606,-584,-765,-794,-1142,-1143,-1143,-1139,-1127,-1084,-1604,-1484,-1814,-1962,-29981,-5938,-29988,-29989,-29992,-29993,-29996,-29993,-29993,-29994]} 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. Nf3 Nc6 5. Nbd2 Nh5 6. Be5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} f6 7. Bg3 cxd4 8. exd4 {Black has an edge.} g6 9. c3 {[#]} Bh6 $146 ({Predecessor:} 9... Bg7 10. Bb5 O-O 11. O-O Nxg3 12. hxg3 a6 13. Bxc6 bxc6 14. Re1 Qd6 15. Qe2 Re8 {0-1 (46) Bulockin,M (2297)-Vrolijk,L (2481) Pardubice 2020}) 10. Bb5 O-O 11. O-O Be6 12. Bxc6 bxc6 13. Nb3 Bg4 14. Nc5 (14. Re1 $15) 14... e5 $17 15. h3 Bc8 16. Bh2 (16. dxe5 $2 Nxg3 17. Re1 Nf5 $19) 16... e4 {[%cal Re4f3]} 17. Ne1 f5 18. Qb3 Rf7 19. c4 (19. Qa4 $17) 19... f4 $19 20. cxd5 cxd5 21. f3 Bg7 22. Nc2 e3 23. Rfe1 {[#]} (23. Rae1 $142) 23... a5 (23... Bxh3 $142 $1 {[%mdl 512]} 24. Nb4 (24. gxh3 $2 Qg5+ 25. Kh1 Ng3+ 26. Bxg3 Qxg3 $19 {[%mdl 64] Double Attack}) (24. Re2 Bf5) 24... Bxd4 25. Qxd5 Bxc5 26. Qxc5 Qd2 $1) 24. Rad1 {[#]} (24. Re2 {was necessary.}) 24... Bf5 (24... Bxh3 $142 $1 {[%mdl 512] White must now prevent ...Qh4.} 25. gxh3 (25. Nxe3 fxe3) 25... Qg5+ 26. Kf1 (26. Kh1 $2 Ng3+ 27. Bxg3 Qxg3 $19 {[%mdl 64] Double Attack}) 26... Qh4 27. Nxe3 fxe3 28. Rxe3 Bxd4 29. Rxd4 Qxd4) 25. Qc3 (25. Re2 $142) 25... Rc8 26. a3 $2 (26. Nxe3 {was worth a try.} fxe3 27. Qxe3) 26... a4 {And now ...Rxc5! would win.} 27. Nb4 $2 (27. Nxe3 fxe3 28. Qxe3) 27... Rfc7 {...Rxc5! is the strong threat.} 28. Nbd3 g5 29. Rc1 $2 (29. Kh1) 29... Qf6 30. Ne5 {[#]} Rxc5 $1 {[%mdl 512]} 31. Nd7 (31. dxc5 Qxe5) 31... Bxd7 32. dxc5 Qxc3 33. bxc3 Rxc5 34. Red1 Bxc3 35. Rc2 d4 {[%cal Bd5d4,Bd4d3,Bd3d2][%mdl 32]} 36. Rdc1 {[#]} Bf5 (36... d3 $142 $1 37. g4 {[#]} (37. Re2 dxe2) 37... e2 $1 38. Rxe2 dxe2 39. Kf2 Bd4+ {[%mdl 64] Discovered Attack} 40. Kxe2 Rxc1 41. Kd3 Be3 42. Bg1 Bxg1 43. gxh5 Bf5+ 44. Ke2 Rc2+ 45. Kd1 Bd3 46. h4 Be3 47. hxg5 Rc1#) 37. Ra2 d3 {Black mates.} 38. Kf1 d2 39. Rd1 Bd3+ 40. Kg1 e2 {Weighted Error Value: White=1.16/Black=0.42} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.13"]
[White "Wille, Thomas"]
[Black "Arora, Tashika"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2048"]
[BlackElo "1744"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,75,35,35,43,38,45,40,41,44,72,68,75,58,49,43,67,-27,-40,-24,-30,-33,-35,-52,-39,-82,-43,-39,-53,-38,0,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-73,-76,-72,0,0,0,-65,0,-52]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 Nf6 7. d4 cxd4 8. Nxd4 g6 9. f3 Bg7 10. Be3 O-O 11. O-O Rac8 12. b3 Qd8 {B52: Sicilian: Moscow Variation with 3...Bd7.} 13. Qd2 Qa5 14. Rac1 Rfd8 {White is slightly better.} 15. Rfd1 {[#]} e6 $146 ({Predecessor:} 15... a6 16. Qf2 Re8 17. Nxc6 Rxc6 18. Bd4 e5 19. Be3 b5 20. Bg5 bxc4 21. b4 Qd8 {1-0 (45) Hernandez Sanchez,J (2412)-Vitier Vazquez,C (2370) La Vega 2019}) 16. Nde2 Rd7 17. Nb5 {Threatens to win with Qxa5.} Qxd2 18. Rxd2 Rcd8 19. Nxa7 (19. Ned4 $14) 19... Nxa7 $11 20. Bxa7 Bh6 21. f4 Nxe4 22. Rd4 f5 {aiming for ...Ra8.} 23. a4 e5 24. Rd3 exf4 25. Rcd1 Ra8 26. Bb6 Re7 27. Nc3 Nxc3 28. Rxc3 Rae8 29. Rcd3 Re1+ 30. Rxe1 Rxe1+ {[%mdl 4096] Endgame KRB-KRB} 31. Kf2 Rb1 32. Bc7 Bf8 33. a5 Kf7 34. Rd5 (34. Bxd6 $11 {keeps the balance.} Bxd6 35. Rxd6) 34... Rb2+ $17 35. Kf1 {[#]} Rb1+ (35... f3 $1 $17 {[%cal Rf3g2]} 36. gxf3 Rxb3) 36. Kf2 $11 Rb2+ (36... Rxb3 $11 37. Rb5 Ra3) 37. Kf1 $15 Rb1+ (37... f3 $5 38. gxf3 Rxb3 $17) 38. Kf2 {Weighted Error Value: White=0.16/Black=0.11} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.14"]
[White "Idle, Oscar"]
[Black "Evans, Harry G"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1722"]
[BlackElo "1985"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,112,45,43,-7,12,0,35,0,6,6,29,25,63,58,60,63,65,59,175,196,171,209,177,210,253,243,232,136,141,150,154,147,147,149,158,143,129,112,92,100,91,54,289,289,289,316,291,289,277,277,367,367,367,367,367,366,366,366,366,366,366,337,342,213,289,225,256,249,249,249,242,208,235,208,194,194,194,-5,-5,-5093,-5089,-29978,-29967,-29989,-29990,-29990,-29991,-29991,-29988,-29988,-29989,-29992,-29993]} 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. a3 Bxd2 9. Nbxd2 d6 10. Qc2 Nbd7 11. e4 e5 12. d5 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} g6 13. Ne1 {[#]} Ng4 $146 ({Predecessor:} 13... Nh5 14. Bh3 Ng7 15. Ng2 f5 16. f4 exf4 17. gxf4 Rae8 18. Rae1 Qf6 19. Kh1 Nc5 20. exf5 gxf5 21. b4 Ne4 22. Nxe4 Rxe4 23. Rxe4 fxe4 24. Qxe4 Re8 25. Qd3 c6 26. Bd7 {1-0 (26) Veres,A (2168)-Hujo,J (2092) Slovakia 2011}) 14. h3 {White is slightly better.} Nh6 15. Nd3 f5 16. f4 fxe4 17. Nxe4 ({Much worse is} 17. Bxe4 Nf5 $11) 17... Nf5 {Threatening ...Ne3.} 18. Rae1 Rae8 19. g4 Ng7 (19... Nd4 $14 20. Qa4 a5) 20. fxe5 $18 Nxe5 21. Nxe5 dxe5 22. b4 Rf4 23. g5 Rxe4 24. Qxe4 ({Resist} 24. Bxe4 $6 Qxg5+ 25. Qg2 Qe7 $16) (24. Rxe4 $18 {Hoping for Qd2.} Bc8 25. Qc3) 24... Qxg5 25. Qg4 Qe7 26. c5 {[#] Strongly threatening d6.} Bc8 27. Qc4 Kh8 28. d6 cxd6 29. cxd6 Qxd6 30. Rd1 Qb8 31. Rc1 $40 {[%mdl 128] White has some attack.} (31. Qf7 {looks sharper.} Be6 32. Qf6 Kg8 33. Bc6 Rf8 34. Qxf8+ Qxf8 35. Rxf8+ Kxf8 36. Rd8+) 31... Qd6 $2 (31... e4 $14) 32. Qxc8 Rxc8 33. Rxc8+ Ne8 34. Rxe8+ Kg7 35. Re1 Qd4+ 36. Kh1 Qc3 37. R8xe5 Qxa3 38. Re7+ Kh6 39. R1e4 a5 40. bxa5 bxa5 41. h4 Qd3 42. Re3 Qd1+ 43. Re1 Qd6 44. R7e4 Qg3 45. Rf1 Qd3 46. Rg4 Qd7 47. Rff4 Qd1+ 48. Kh2 Qd6 {intending ...a4.} 49. Be4 $2 (49. Kh3 $18) 49... a4 $11 50. h5 $2 {[%mdl 8192]} (50. Kh3 $11) 50... g5 $19 {[%mdl 64] [#] Pin} 51. Kh3 gxf4 {Black mates.} 52. Rg2 Qe6+ {[%mdl 64] Double Attack} 53. Kh4 Qxe4 54. Rb2 Qh1+ 55. Kg4 Qg1+ 56. Kxf4 Qc1+ {Weighted Error Value: White=0.53/Black=0.25} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.15"]
[White "Shearsby, Jude"]
[Black "Rathbone-Jones, Ifan"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1673"]
[BlackElo "1941"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,16,27,5,5,14,21,14,25,-16,12,-8,8,2,11,6,-2,-27,-14,-29,0,-34,-40,-30,-30,-33,-33,-47,-36,-81,-54,-75,47,33,160,173,540,507,639,610,632,191,171,177,474,228,187,129,125,139,368,316,639,630,611,529,590,583,870,870,910,893,959,959,910,818,5152,5147,29949,29949,29952,29957,29956,29957,29953,5397,29966,29968,29960,4841,4841,4837,29984,29985,29985,29986,29986,29987,29987,29988]} 1. d4 d5 2. Bf4 Nf6 3. Nc3 a6 4. e3 g6 5. h4 Bg7 6. Be2 {D00: 1 d4 d5: Unusual lines.} h5 7. Nf3 Nbd7 8. Ne5 {The position is equal.} c6 {[#]} 9. a3 $146 ({Predecessor:} 9. g4 Nxe5 10. Bxe5 hxg4 11. Bxf6 exf6 12. Bxg4 f5 13. Bf3 Rxh4 14. Rg1 Qe7 15. Qd2 {1-0 (37) Palachev,P (2345)-Song,M (2421) Chess.com INT 2020}) 9... Nf8 10. O-O Ng4 11. Nxg4 hxg4 12. g3 f5 13. Bd3 Ne6 14. Ne2 Bf6 15. Kg2 c5 {[#] White must now prevent ...c4.} 16. c3 Kf7 17. Rh1 Bd7 18. Rc1 Bc6 19. Qd2 Ng7 20. Rh2 e5 (20... Rh7 $17) 21. dxe5 $14 (21. Bxe5 Bxe5 22. dxe5 c4 $15) 21... d4+ (21... Be7 $14) 22. Kg1 $16 Bxh4 (22... dxe3 {is more resistant.} 23. Bc4+ (23. fxe3 Be7 $16) (23. Bxe3 Bxe5 24. Bc4+ Ne6 $14) 23... Ne6) 23. gxh4 $18 Rxh4 24. exd4 Rxh2 25. Bxh2 (25. Bc4+ Bd5 26. Bxd5+ (26. Bxh2 Bxc4 27. Nf4 Ne6 $14) 26... Qxd5 27. Bxh2 (27. e6+ Nxe6 28. Bxh2 Rh8 $18)) 25... Qd5 {[%csl Gc6][%cal Rd5h1]} 26. f3 $1 Qxf3 $2 (26... Rh8 {was called for.}) 27. Ng3 (27. Bc4+ $142 Ke8 28. d5) 27... Qd5 28. Qe2 ({Better is} 28. Rf1 $18 Kg8 29. b4) 28... b5 $16 {[#]} 29. Qf2 $1 {Hoping for Be4.} cxd4 $2 {Black cannot hold the game after this.} (29... Kg8 $16 {was necessary.} 30. c4 Qxd4 31. Qxd4 cxd4) 30. cxd4 {Threatens to win with Be4.} Ne6 $2 (30... Kg8 31. Rc5 Qd7) 31. Be4 $1 $18 Qxd4 32. Qxd4 Nxd4 33. Bxc6 Nxc6 34. Rxc6 Rd8 35. Nf1 a5 36. e6+ Kf6 37. Bd6 Kxe6 38. Bc7+ Kd7 39. Bxd8 Kxc6 40. Bxa5 Kd5 41. Kf2 f4 42. Bc7 Ke4 43. Nd2+ Kf5 44. Nb3 (44. Nb1 $142 g3+ 45. Kf3 g5 46. Nc3 Ke6 47. Nxb5 Kd7 48. Kg2 Kc6 49. a4) 44... Ke4 45. Nc5+ Kf5 46. b3 {White mates.} g5 47. a4 g3+ 48. Kf3 g4+ 49. Kg2 {Weighted Error Value: White=0.42/Black=0.76} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.22"]
[Round "2.17"]
[White "Gordon, Sean"]
[Black "Volovich, Julia"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2039"]
[BlackElo "1674"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,89,14,20,13,29,-23,37,27,42,43,94,45,56,48,60,14,20,0,59,52,97,112,97,7,22,-229,-227,-205,-118,-151,-93,-139,-127,-141,-87,-88,-7,-12,0,-22,-31,-26,7,0,50,44,44,47,115,126,160,142,210,218,435,423,567,126,129,129,259,264,267,108,132,137,425,399,510,488,4594,-8,0,0,0,0,29,0,0,0,26,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 dxc4 5. Qxc4 Be6 6. Qa4+ {D81: Grünfeld: 4 Qb3.} Bd7 7. Qd1 (7. Qb3 $142) 7... Bc6 {[#]} (7... c5 $11) 8. f3 $146 {White is slightly better.} ({Predecessor:} 8. Bf4 Bg7 9. e3 O-O 10. Nf3 Nd5 11. Bg3 Nxc3 12. bxc3 Nd7 13. Be2 b6 14. O-O {0-1 (52) Teglas,B (1995)-Fodor,I (2214) Balatonlelle 2006}) 8... Bg7 9. e4 e6 ({Better is} 9... e5 $14) 10. Be3 O-O 11. Qd2 a6 12. g4 b5 $1 13. h4 h5 (13... Bb7 $1 $11) 14. Bg5 $1 $14 hxg4 15. e5 {Hoping for h5.} gxf3 16. Rh3 (16. exf6 $16 Bxf6 17. Rh3) 16... b4 $11 17. Nb1 {[%mdl 8192]} (17. exf6 $11 bxc3 18. bxc3 Bxf6 19. Nxf3) 17... Ne4 $19 18. Bxd8 {aiming for Be7.} Nxd2 ({Black should try} 18... f2+ $19 19. Qxf2 Nxf2 20. Kxf2 Rxd8) 19. Be7 {[#]} Re8 $1 20. Bxb4 (20. Nxd2 Rxe7) 20... Nxf1 21. Kxf1 Bb5+ (21... Rd8 $142 22. Bc3 Bb5+ 23. Ke1 f2+ 24. Kxf2 c5) 22. Kf2 $17 Rd8 (22... Nd7 $17 23. Nxf3 Rec8) 23. Nxf3 $11 Nd7 {[%cal Bb8d7,Bd7b6,Bb6d5][%mdl 32]} 24. Nc3 Bc6 25. Ba5 Nb6 (25... Rab8 $5 {[%cal Rb8b2]} 26. Rb1 Nb6 $11) 26. Ne2 Nd5 27. Rc1 Bb5 {...Bxe2 is the strong threat.} 28. Bd2 $1 Bxe2 (28... Rdb8 $14) 29. Kxe2 $16 Rab8 30. b3 Bf8 (30... Rd7 $16 31. h5 gxh5 32. Rxh5 Ne7) 31. h5 $1 $18 Bb4 $2 (31... Rd7 32. hxg6 fxg6) 32. hxg6 fxg6 33. Rg3 $2 (33. Rch1 $18 {and the rest is easy. Rh8+ would kill now.} g5 34. Nxg5) 33... Bxd2 $16 34. Kxd2 Kg7 (34... Kf7 $16) 35. Ng5 $1 $18 {[%cal Rg5e6]} Rb6 36. Rf1 (36. Rh3 $18 Rh8 37. Rxh8 Kxh8 38. Rc5) 36... Rf8 37. Rh1 Rf2+ $2 {[%mdl 8192] [#]} (37... Rh8 $16 38. Rxh8 Kxh8 39. Rh3+ Kg8) 38. Ke1 $1 Rxa2 39. Rh7+ Kg8 {[#]} (39... Kf8 $142 40. Rgh3 Ra1+ 41. Kd2 Ke8) 40. Rd7 $2 ({Only move:} 40. Rgh3 $1 $18 {Threatening mate with Rh8+.} Ra1+ 41. Kd2 Ra2+ 42. Kd1 Ne3+ 43. Rxe3 Ra1+ 44. Kc2 Ra2+ 45. Kb1) 40... Ra1+ 41. Kd2 {Strongly threatening Rh3.} Ra2+ 42. Kd1 Ra1+ (42... Rc6 $5 {[%cal Rc6c2]}) 43. Kd2 {Black must now prevent Rh3.} Ra2+ 44. Kd1 {And now Rh3 would win.} Ra1+ 45. Kd2 {White used his chance.  Weighted Error Value: White=0.55/Black=0.47} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.1"]
[White "Ghasi, Ameet K"]
[Black "Adams, Michael"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2485"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,78,-33,-27,-26,-27,-13,-48,-21,-59,-59,-74,-75,-68,-69,-77,-67,-86,-81,-81,-52,-74,-61,-83,-80,-82,-60,-91,-89,-101,-74,-83,-62,-81,-68,-93,-86,-72,-44,-39,-32,-27,-32,-95,-114,-239,-236,-466,-242,-239,-230,-288,-270,-282,-266,-356,-254,-254,-254,-252,-254,-254,-237,-819,-803,-747,-736,-811,-778]} 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. O-O e5 5. d3 d5 6. Bg5 Be7 7. Nfd2 Ng8 {A08: King's Indian Attack.} 8. Bxe7 Ngxe7 9. Nc3 {[#]} O-O $146 {Black is slightly better.} ({Predecessor:} 9... Be6 10. e4 O-O 11. exd5 Nxd5 12. Nde4 b6 {½-½ (12) Rossi,C (2315)-Manca,F (2420) Chianciano Terme 1991}) 10. Na4 b6 11. c4 d4 12. a3 Rb8 13. Nf3 Qd6 14. Qd2 a5 15. e3 Ng6 16. Rfe1 h6 17. Qc2 Be6 18. exd4 exd4 19. Nd2 Nge5 20. b3 Qd7 21. Nb2 Rfe8 22. Re2 Bg4 23. f3 Bf5 24. Rae1 Kf8 25. Ne4 Re7 26. Nf2 Rbe8 27. h3 (27. g4 $15) 27... g5 $17 28. Na4 {This costs White the game.} (28. h4 $17) 28... Qc7 $19 29. Qd2 $2 {[#]} (29. g4 Bd7 30. h4) 29... Ng6 (29... Nxf3+ $142 $1 {[%mdl 512]} 30. Bxf3 Qxg3+ {[%mdl 64] Double Attack} 31. Bg2 Ne5 32. Rxe5 Rxe5 33. Rxe5 Rxe5 34. Nxb6 Re3) 30. Rxe7 Rxe7 31. Rxe7 Ncxe7 ({Weaker is} 31... Ngxe7 32. f4 $15) 32. f4 gxf4 33. Ne4 Bd7 (33... fxg3 $2 34. Qxh6+ Ke8 35. Qg5 $19) 34. Nf6 {[#] aiming for Nxb6!} Bxa4 35. bxa4 Qd6 36. Nh5 {[%cal Rg3f4]} Nf5 ({Not} 36... fxg3 37. Qxh6+ Ke8 38. Qg5 $17) 37. gxf4 $2 (37. Be4 Ng7 38. Nxf4) 37... Ngh4 {Black is clearly winning.} 38. Qe2 Qg6 39. Qg4 Nxg2 {Weighted Error Value: White=0.49/Black=0.15} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.2"]
[White "Turner, Matthew J"]
[Black "Fernandez, Daniel Howard"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2509"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,47,44,46,4,10,21,24,14,25,10,14,8,13,0,29,47,64,54,82,84,89,92,88,52,56,56,45,21,25,25,29,35,33,31,22,29,356,368,505,482]} 1. d4 d6 2. e4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. f4 {B07: Pirc Defence: Miscellaneous Systems.} Bb4 7. Bd3 Nc6 8. Nf3 {White has an edge.} Re8 9. fxe5 Nxe5 10. Nxe5 Rxe5 11. Bf4 Ra5 12. Bd2 Rh5 {[#]} 13. h3 $146 ({Predecessor:} 13. O-O-O Bg4 14. Rdf1 h6 15. h3 Be6 16. g4 Rc5 17. Bxh6 Bxc3 18. Bxg7 Nxe4 19. Bxc3 Nxc3 20. bxc3 Rxc3 {1-0 (47) Karasev,V (2328)-Ostashevsky,G (2118) Sochi 2015}) 13... Be6 14. O-O-O Ke8 15. a3 Bd6 16. g4 Re5 17. Rhe1 h5 18. g5 Nh7 19. h4 Bg4 20. Be2 $36 {[%mdl 2048] Black is under pressure.} Bxe2 21. Rxe2 Re6 22. Nb5 {And now e5! would win.} g6 $2 {[%mdl 8192] [#]} (22... Rd8 $11 {and Black is okay.}) 23. e5 $1 $18 Rc8 24. Nxa7 {Weighted Error Value: White=0.06/Black=0.53} ({Less strong is} 24. Nxd6+ cxd6 25. Bc3 dxe5 $14) 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.3"]
[White "Hebden, Mark L"]
[Black "Finn, Peter"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "2453"]
[BlackElo "1959"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,-13,-12,-12,-16,-20,-44,-41,1,-19,14,0,22,0,12,-30,-13,-60,-62,-47,-37,-26,-8,-17,-8,0,-8,0,0,-6,-12,-148,-153,-148,-138,-141,-138,-136,-22,-116,-43,-86,0,-111,-118,-121,-113,-106,-98,-87,0,0,110,-10,-11,-39,-41,-30,-40,-73,-97,-88,-71,-68,-74,-111,-101,-136,-107,-102,-112,-258,-106,-416,-178,-285,-259,-270,-258,-339,-246,-464,-450,-1122,-1134,-1011,-461,-454,-393,-1018,-970,-1563,-1512,-1440,-1440,-1608,-1608,-29946,-29949,-12839,-4710,-4133,-16,-1213,-472,-404,-375,-29976,-29978,-29978,-29975,-29975,-29976,-29976,-29977,-29983,-29981,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29985]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 dxc4 5. Nc3 a6 6. e4 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3.} b5 7. a4 b4 {[#]} 8. Ne2 $146 {Black is slightly better.} ({Predecessor:} 8. Na2 Bb7 9. e5 h6 10. Bh4 g5 11. Nxg5 hxg5 12. Bxg5 Qd5 13. Bxf6 Rg8 14. h4 {0-1 (23) McCambridge,V (2400)-Shimanov,A (2629) Las Vegas 2018}) 8... Be7 9. Ng3 Nbd7 10. Bxc4 Bb7 11. Qe2 O-O 12. e5 Nd5 13. Bd2 c5 14. dxc5 Nxc5 15. a5 Bc6 16. O-O Bb5 17. Bxb5 axb5 18. Nd4 Nf4 19. Qe3 Bg5 20. Nc6 {[#]} (20. Nge2 $1 $11 {keeps the balance.} Nxe2+ 21. Qxe2) 20... Nh3+ $1 $17 {[%mdl 576] Discovered Attack} 21. gxh3 Bxe3 22. Nxd8 Bxd2 23. Nc6 Nb3 (23... Ra6 $1 $17 {[%cal Ra6c6]} 24. Rad1 Rxc6 25. Rxd2 Nb3) 24. Rad1 (24. Ne4 $1 $11 {remains equal.}) 24... Bf4 (24... Ra6 $17 25. Ne7+ Kh8) 25. Nh5 Bd2 26. Ng3 $1 Ra6 27. Ne7+ Kh8 28. Ne4 Bf4 29. Rd6 Rxd6 (29... Rxa5 $17 30. Rfd1 Raa8) 30. exd6 $11 {Strongly threatening Nc6.} f5 {[#]} (30... Nxa5 $11 31. d7 g6) 31. Nc6 fxe4 32. d7 Bc7 33. Rd1 $1 {Black must now prevent a6.} Nxa5 34. d8=Q Bxd8 35. Nxd8 $17 {[%mdl 4096] Endgame KRN-KRN} h6 36. Nxe6 Re8 37. Nc7 Re5 38. Rd4 Nc6 39. Rd6 Rc5 40. Na6 {[#]} (40. Ne6 $17 Rc1+ 41. Kg2) 40... Rc2 (40... Rc1+ $1 $19 {and Black stays clearly on top.} 41. Kg2 Rc2) 41. Re6 $2 {[%mdl 8192]} (41. b3 $17) 41... Kg8 (41... b3 $142 42. Nc7 Rxb2 43. Nxb5 Rc2 44. Rxe4 b2) 42. Kg2 (42. b3 {was necessary.}) 42... Kf7 $19 43. Rxe4 Rxb2 44. Nc5 Rc2 45. Nd3 (45. Nb3) 45... b3 46. Ne5+ (46. Re1 $142 Kf6 47. h4) 46... Nxe5 47. Rxe5 {KR-KR} b2 (47... b4 $142 48. Re4 b2 49. Rxb4 Ke6) 48. Rxb5 Ke6 49. Kg3 $2 (49. Kf3) 49... Kd6 50. h4 Kc6 51. Rb8 Kd5 52. f4 h5 53. f5 Ke4 54. Rb5 Ke3 (54... Kd3 $142 55. Kf4 Rc4+ 56. Kg5 Kc3 57. Rxb2 Kxb2 58. Kxh5 Rc6) 55. h3 Ke4 $2 (55... Kd2 $19 56. Kf4 Kc1) 56. Rb8 $2 {[%mdl 8192]} (56. f6 $11) 56... Kxf5 (56... Kd3 $142 57. Kf4 Rc4+ 58. Kg5 Kc3 59. Rxb2 Kxb2 60. Kxh5 Rc6) 57. Kf3 Ke5 58. Rb7 $2 (58. Ke3 $19) 58... Kd4 {Black mates.} 59. Kf4 Rg2 60. Kf3 Rd2 61. Kf4 Kc3 62. Kg5 Rd5+ 63. Kg6 Rd4 64. Rxb2 Kxb2 65. Kxh5 Rd6 66. Kg5 Kc3 {Weighted Error Value: White=0.94/Black=0.69} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.4"]
[White "Gurner, Jem"]
[Black "Wadsworth, Matthew J"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1800"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,108,17,18,14,19,0,-9,-12,-10,-15,4,2,-3,-6,-8,-25,-12,-21,-11,-33,0,0,-12,-34,-20,-40,-41,-60,-51,-55,-56,-64,-64,-77,-75,-77,-82,-83,-75,-89,-123,-133,-93,-93,-93,-93,-95,-94,-100,-95,-97,-108,-77,-97,-97,-135,-97,-120,-74,-155,-149,-145,-141,-212,-210,-236,-224,-287,-281,-298,-250,-392,-397,-514,-546,-575,-560,-537,-534,-616,-535,-619,-564,-540,-539,-598,-597,-710,-707,-645,-631,-748,-746,-720,-695,-29982,-29983,-29987,-29986,-29981,-29982]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 c6 4. e3 Qb6 5. Rb1 Bf5 6. Bd3 {D00: 1 d4 d5: Unusual lines.} Bxd3 7. Qxd3 Nbd7 8. h3 {The position is equal.} e6 9. Nf3 {[#]} a5 $146 (9... Be7 {seems wilder.} 10. O-O O-O 11. b4 Qd8 12. Ne5 Nxe5 13. Bxe5 Nd7) ({Predecessor:} 9... Be7 10. O-O a5 11. Ne2 O-O 12. Ne5 Rfe8 13. Bh2 Nxe5 14. dxe5 Ne4 15. f3 Nc5 {0-1 (26) Hillmann,R-Lombardy,W Nice 1974}) 10. O-O Qa6 11. Qxa6 Rxa6 12. Ne5 Be7 13. Rfe1 O-O 14. e4 Bb4 15. Nxd7 Nxd7 16. Bd2 b5 17. Rbd1 Nb6 18. exd5 Bxc3 19. Bxc3 cxd5 20. Bd2 Rc8 21. c3 Nc4 22. Bc1 h6 23. Rd3 b4 24. b3 Nd6 25. Bd2 bxc3 26. Rxc3 Rxc3 27. Bxc3 $17 {[%mdl 4096] Endgame KRB-KRN} Nb5 28. Bb2 a4 29. Rc1 axb3 30. axb3 Nd6 31. Ra1 {[#]} Rb6 32. Ba3 Ne4 33. b4 Nd2 34. Kh2 (34. Bb2 $142) 34... Nc4 35. Kg3 Kh7 36. b5 (36. h4 $17) 36... Rxb5 $19 {[#] Hoping for ...Rb3+.} 37. Bc5 Nd2 38. Ra7 Ne4+ 39. Kf4 Kg6 ({Less strong is} 39... Nxc5 40. dxc5 Kg6 41. c6 $17) ({Don't play} 39... Nxf2 40. Rxf7 Nd3+ 41. Kg3 $19) 40. Rc7 (40. f3 $142 Nxc5 41. dxc5) 40... Nxf2 41. Ke5 Rb2 42. Kd6 Ne4+ 43. Ke7 Rxg2 44. Kf8 Rf2 45. Kg8 Nf6+ 46. Kf8 Nh7+ 47. Kg8 h5 48. Bd6 Ra2 {( -> ...Ra8+)} 49. Rc8 Ra7 50. Be5 f6 51. Bd6 Rd7 52. Bc5 f5 {Black mates.} 53. Ra8 Nf6+ 54. Kh8 f4 {Weighted Error Value: White=0.26/Black=0.10} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.5"]
[White "Lalic, Bogdan"]
[Black "Toczek, Grzegorz"]
[Result "1/2-1/2"]
[ECO "A70"]
[WhiteElo "2402"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,71,26,32,30,15,7,20,16,29,18,24,5,41,34,71,65,66,74,87,67,68,74,121,101,472,442,462,164,181,175,176,178,159,165,197,171,165,154,155,133,137,41,29,39,37,9,0,0,0,0]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. h3 O-O 9. Bd3 Re8 10. O-O c4 11. Bc2 b5 12. a3 a6 13. Re1 {A70: Modern Benoni: 6 e4 g6 7 Nf3.} Nbd7 14. Bf4 Qb6 15. Qd2 Bb7 16. Rad1 Rac8 17. Be3 Qd8 18. Bd4 {[#]} Nh5 $146 ({Predecessor:} 18... Nc5 19. Qf4 Nh5 20. Qd2 Bxd4 21. Nxd4 Qh4 22. Re3 Rc7 23. Rf3 Nd7 24. g4 Ng7 {0-1 (64) Iotov,V (2578)-Bogut,Z (2442) Novi Sad 2009}) 19. Bxg7 Kxg7 20. Nd4 Qf6 21. g3 Nc5 22. Qe3 Rc7 23. f4 Nxg3 $2 {[%mdl 8192]} 24. Qxg3 $18 Nd3 25. Nf5+ $2 (25. e5 Qxf4 26. Rxd3 Qxg3+ 27. Rxg3 Rxe5 28. Be4) 25... Kh8 {[#]} 26. Nxd6 {[%mdl 512]} Qxd6 27. Bxd3 cxd3 28. Rxd3 b4 29. axb4 Qxb4 30. Qf2 Rc4 31. Red1 f5 32. Rd4 (32. exf5 $16 Rxf4 {[#]} 33. Rd4 $1 Qxd4 34. Rxd4 Rxf2 35. Kxf2) 32... fxe4 $14 {aiming for ...e3.} 33. Rxc4 Qxc4 34. Qd4+ Qxd4+ 35. Rxd4 e3 {And now ...e2 would win.} 36. Kf1 {Weighted Error Value: White=0.27/Black=0.42} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.6"]
[White "Villiers, Thomas"]
[Black "O`Gorman, Tom"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2161"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,149,5,28,14,100,114,144,150,155,115,129,115,179,168,195,188,216,147,158,113,115,121,115,-45,-54,-54,-46,-51,80,-68,118,87,81,-37,-45,-43,-75,-141,0,-9,0,-218,-206,-403,-391,-947,-558,-584,-331,-388,-369,-370,-366,-358,-362,-847,-339,-346,-341,-647,-635,-758,-467,-608,-611,-589,-567,-677,-518,-951,-942,-943,-933,-883,-861,-2688,-2667,-5635,-1814,-5265,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,163,163,1190,101,157,87,88,0,309,304,707,82,82,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. Nbd2 {[%cal Bb1d2,Bd2c4,Bc4a5,Ba5c6][%mdl 32]} Bg7 4. e4 d6 5. Bd3 O-O 6. O-O Nc6 7. Nc4 {[#] B07: Pirc Defence: Miscellaneous Systems.} Nxe4 $146 ({Predecessor:} 7... Bg4 8. c3 e5 9. d5 Ne7 10. Ne3 Bc8 11. Nh4 Ne8 12. g3 Bh3 13. Re1 Qc8 14. Qc2 f5 15. exf5 gxf5 {½-½ (59) Neustupa,V-Szakall,F Prague 1964}) 8. d5 $16 (8. Bxe4 $6 d5 $11) 8... Nc5 9. dxc6 {White is clearly better.} bxc6 10. Re1 e5 11. Bf1 f5 (11... a5 $16 12. b3 e4) 12. Na5 $18 Qe8 13. Bc4+ Kh8 14. Be3 Ne4 15. Nxc6 f4 (15... Qxc6 $2 16. Bd5 $18) 16. Bc1 Nxf2 17. Kxf2 (17. Qd5 $16 Bb7 18. Bb5 (18. Kxf2 Bxc6 19. Qd1 Bb7 $15)) 17... Qxc6 $15 18. Qd5 Qb6+ {[%mdl 1024] Black has compensation.} 19. Kf1 Bd7 (19... Bb7 $15 20. Qb5 e4 21. Qxb6 axb6) 20. Bd2 ({White should play} 20. Ng5 $16 {Threatening mate with Qg8+!} Bf6 21. Nf7+ Kg7 22. Nxe5 $1 Bxe5 23. Rxe5 dxe5 24. Qxd7+ Kh8 25. Qe6 Qxe6 26. Bxe6) 20... a5 $2 (20... Bc6 $15 {stays ahead.} 21. Qd3 d5) 21. Bc3 Bc6 22. Qe6 (22. Qd3 $16) 22... Rae8 23. Qh3 Rf5 24. Qh4 (24. Rad1 $142) 24... e4 ({Better is} 24... Qc5 $1 $17 {[%cal Rc5c4]} 25. Bd3 e4 {[%mdl 64] Double Attack} 26. Bxg7+ Kxg7) 25. Ng5 $11 {[%csl Gg5][%cal Rh4h7]} ({Wrong is} 25. Bxg7+ $2 Kxg7 26. Ng5 h6 $17) 25... h5 $36 {[%mdl 2048] White is under pressure.} 26. Bxg7+ (26. Nxe4 $1 $11 d5 27. Nd2 (27. Bxg7+ Kxg7 28. Ng5 dxc4 $17)) 26... Kxg7 $19 27. Ne6+ $2 (27. b3 d5 28. Be2) 27... Kh6 28. Nxf4 $2 (28. Rad1 Bb5 29. Rxe4 Rxe6 30. Bxb5 Rxe4 31. Bd3) 28... Qxb2 29. Rad1 {White wants to play Kg1.} Qc3 30. Be2 {intending g3.} Ref8 {[%cal Be8f8,Bf8f5,Bf5g5][%mdl 32]} 31. g3 Be8 32. Qe7 g5 $1 {[%cal Rg5f4][%mdl 64] Pin} 33. Rd5 $2 (33. Qe6+ R5f6 {[%mdl 64] Pin} 34. Qc4 Qxc4 35. Bxc4) 33... gxf4 (33... Bg6 $142 34. Red1 gxf4) 34. Rxf5 Rxf5 35. g4 {[#]} (35. Qxe4 Bg6 36. g4) 35... Qe5 $1 36. Qxc7 (36. Qxe5 Rxe5) 36... Rg5 37. h4 Rg7 {[%cal Rg7c7]} 38. g5+ Kh7 39. Qd8 Bg6 40. Rb1 (40. Qf6 $142 f3 41. Qxe5 fxe2+ 42. Rxe2 dxe5 43. Ke1) 40... f3 {( -> ...Qg3)} 41. Rb8 fxe2+ 42. Kxe2 Bf7 43. Rc8 Rg8 44. Qd7 Rxc8 45. Qxf7+ Qg7 $2 (45... Kh8 $19 46. Qxh5+ Kg7) 46. Qf5+ $11 {[%mdl 64] Double Attack} Qg6 47. Qxc8 {[%mdl 4096] Endgame KQ-KQ} Qf7 48. Qc3 d5 49. Qxa5 (49. Ke3 {seems wilder.} Qf3+ 50. Kd4 Qf2+ 51. Kxd5 e3 52. Qc7+) 49... Qf3+ 50. Ke1 Qe3+ 51. Kd1 Qd4+ 52. Ke2 Qc4+ 53. Ke1 Kg6 $2 (53... e3 $11) 54. Qb6+ $18 Kf5 $2 (54... Kg7 55. Qh6+ Kg8) 55. Qf2+ $2 (55. Qf6+ $18 Kg4 56. g6 Qxc2 57. g7 Qc1+ 58. Kf2) 55... Ke6 $16 {[#]} 56. Qf6+ (56. Kd1 $142 $1) 56... Kd7 57. g6 ({White should try} 57. Kd2 $16 Qb4+ 58. c3) 57... Qb4+ $2 {[%mdl 8192]} (57... e3 $11 {and Black is okay.}) 58. Ke2 $18 Qc4+ $2 (58... Qc5 59. Kd2 e3+ 60. Kd3 d4 61. Qf7+ (61. Qxd4+ Qxd4+ 62. Kxd4 e2 $11) 61... Kc6 62. Qe6+ Kc7) 59. Kd1 $2 (59. Kd2 $18 {Strongly threatening g7.} e3+ {[%mdl 64] Decoy} 60. Kxe3 Qe4+ 61. Kd2) 59... e3 $16 {[#]} 60. Qf5+ (60. g7 $1 $16 {[%cal Rg7g8]} Qg4+ 61. Ke1) 60... Kd6 $11 {The position is equal.} 61. g7 Qd4+ 62. Qd3 Qg4+ 63. Qe2 Qg1+ 64. Qe1 Qg4+ 65. Kc1 Qxg7 {[%cal Rg7a1]} 66. Qxe3 {Hoping for Qb6+.} Qa1+ $1 67. Kd2 Qxa2 68. Qh6+ (68. Qb6+ {with more complications.} Ke7 69. Qc7+ Ke6 70. Qc6+ Ke7 71. Qg6) 68... Kc5 69. Qxh5 {Qe5 is the strong threat.} Qa5+ 70. Kd1 {Black must now prevent Qh8.} Qa1+ 71. Ke2 Qd4 72. Qg5 {Threatens to win with Qe3.} Qc4+ $1 73. Kd2 {And now Qe7+ would win.} Qd4+ 74. Ke1 Qe4+ 75. Kd2 {White used his chance.  Weighted Error Value: White=1.17/Black=0.69} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.7"]
[White "Grieve, Harry"]
[Black "Toma, Katarzyna"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2351"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,109,3,0,8,0,12,0,15,10,52,45,45,37,44,46,48,0,40,41,35,37,35,43,34,33,33,-15,-15,-30,0,0,-8,-64,-67,-143,-129,-218,-203,-220,-204,-195,-192,-218,581,585,566,572,572,564,544,539,567,536,595,589,597,557,538,519,569,0,430,0,491,483,520,506,493,502,614,608,984,955,863,800,1109,1106,29991,575,573,0,29991,0,516,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 Rb8 {12...Ne7 is setting a new trend.} 13. Be2 O-O 14. Qd3 a5 {B33: Sicilian: Pelikan and Sveshnikov Variations.} 15. Rd1 Be6 16. O-O Qd7 {The position is equal.} 17. Qg3 {[#]} Bd8 $146 ({Predecessor:} 17... f6 18. Na3 Na7 19. h3 g6 20. Bg4 f5 21. Bxf5 gxf5 22. Qxg5+ Kh8 23. exf5 Rxf5 {1-0 (69) Nielsen,P (2455)-Schmittdiel,E (2450) Kecskemet 1992}) 18. Rd2 Kh8 19. Rfd1 g6 20. Nde3 Be7 21. Nd5 Bd8 22. Na3 Na7 23. c4 {Black must now prevent cxb5.} b4 24. Nb5 Nxb5 25. cxb5 f5 26. f4 Bxd5 ({Of course not} 26... fxe4 27. fxe5 Qa7+ 28. Kh1 $11) 27. Rxd5 {[%mdl 64] Double Attack} Bb6+ 28. Kh1 exf4 ({Much worse is} 28... fxe4 $6 29. fxe5 Qg7 30. Rxd6 $16) 29. Qh3 (29. Qh4 $11) 29... Qe7 $15 30. Rxd6 (30. Bf1 $1 $15) 30... Rfd8 ({But not} 30... fxe4 $2 31. Rd7 $18) 31. e5 (31. R6d3 $17) 31... Rxd6 $19 32. Rxd6 Qxe5 {[%mdl 64] Double Attack} 33. Rd7 {[%csl Gd7][%cal Rh3h7]} h5 34. Qh4 {Qg5! is the strong threat.} Re8 $4 {[%mdl 8192] [#]} (34... Rc8 $1 $19 {[%cal Rc8c1]} 35. Qe1 Rc2) 35. Qg5 $1 $18 {[%cal Rg5h6] White threatens Qh6+ and mate.} Qg7 36. Rxg7 Kxg7 37. Bf1 Re4 38. h3 Bf2 39. Qd8 Re1 40. Qd3 Kh6 41. Kh2 h4 42. Qc4 Kg5 43. Qd3 Kh6 $1 44. Qc4 Kg5 45. a3 bxa3 46. bxa3 Be3 47. a4 Bf2 48. g4 hxg3+ 49. Kg2 Re4 50. Qd5 Re3 51. Qd8+ {[%mdl 64] Double Attack} Kh5 52. Qh8+ (52. h4 $142 Re7 53. Qxe7 Kh6 54. Qf8+ Kh7 55. Bc4 f3+ 56. Kxf3 Bd4 57. Bg8+ Kh8 58. Bf7+ {[%mdl 64] Discovered Attack} Kh7 59. Qg8+ {[%mdl 64] Double Attack} Kh6 60. Qxg6#) 52... Kg5 53. Qd8+ (53. h4+ $18 Kg4 54. Qd4) 53... Kh5 {[#]} 54. Qh8+ (54. h4 $142 $1 Re7 55. Qxe7 Kh6 56. Qf8+ Kh7 57. Bc4 f3+ 58. Kxf3 Bd4 59. Bg8+ Kh8 60. Bf7+ {[%mdl 64] Discovered Attack} Kh7 61. Qg8+ {[%mdl 64] Double Attack} Kh6 62. Qxg6#) 54... Kg5 {( -> ...f3+)} 55. Qd8+ $2 {Weighted Error Value: White=0.20/Black=0.23} (55. h4+ $18 Kg4 56. Qd4) 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.8"]
[White "Claridge-Hansen, William"]
[Black "Varney, Zoe"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2290"]
[BlackElo "1917"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,129,0,12,-21,-8,-33,4,-31,-3,8,6,14,38,46,38,31,31,31,39,22,28,30,31,-13,0,0,37,-82,-82,-86,19,19,19,19,19,19,19,19,19,25,24,5,34,29,87,91,217,196,514,472,432,277,289,279,271,277,269,286,361,378,370,375,372,368,355,325,317,242,231,237,257,255,278,277,310,330,343,341,336,330,440,382,505,491,562,562,557,552,6341,6215,6197,6079,5797,5809,5757,5655,5614,5535,5165,4134,29975,29980,29980,29981,29981,29982,29982,29983,29983,29984,29984,29985,29985,29986,29986,29987,29987,29988]} 1. c4 c6 2. Nf3 Nf6 3. e3 d5 4. Nc3 e6 5. b3 Nbd7 6. Qc2 Bd6 7. Bb2 O-O 8. Rg1 {A11: English Opening: 1...c6.} e5 9. cxd5 cxd5 10. Nb5 {The position is equal.} Bb8 11. Rc1 e4 12. Nfd4 Bxh2 13. Rh1 {[#]} Bb8 $146 ({Predecessor:} 13... Ng4 14. Nc7 Rb8 15. Nxd5 Nde5 16. Qc5 Re8 17. g3 Be6 18. Nc7 Qf6 19. Rxh2 Nxh2 20. Nxe8 Rxe8 21. Be2 Nhg4 22. Nxe6 Nd3+ {0-1 (22) Stremavicius,T (2517)-Liang,J (2367) Chesterfield 2020}) 14. Ba3 Re8 15. Nf5 {Threatens to win with Qxc8!} Nb6 16. Nfd6 Bxd6 17. Nxd6 Re6 18. Nf5 Re8 19. Nd6 Re6 20. Qc7 (20. Qc5 $14 {stays ahead.}) 20... Qxc7 $17 21. Rxc7 {[#]} Ne8 ({Better is} 21... Rxd6 $1 $17 22. Bxd6 Ne8 {[%mdl 64] Double Attack}) 22. Nxe8 $11 Rxe8 23. Bb5 Re6 24. f4 a6 25. Be2 $40 {[%mdl 128] White mounts an attack.} Rc6 26. Rxc6 bxc6 27. Kf2 f5 28. Rc1 Bb7 (28... Bd7 $11 {keeps the balance.}) 29. g4 $16 g6 {Black cannot hold the game after this.} (29... a5 $16 {was necessary.}) 30. gxf5 $18 gxf5 $2 (30... Nd7 31. d3 Nf6) 31. Rg1+ Kf7 32. Bh5+ Kf6 33. Bb2+ Ke6 34. Rg7 Nd7 35. Rxh7 a5 36. Bf7+ Kd6 37. Bg6 c5 38. Bxf5 Bc6 39. Rh6+ Kc7 40. Bxd7 Bxd7 {[%mdl 4096] Endgame KRB-KRB} 41. Be5+ Kb7 42. Rd6 Bc6 43. f5 a4 44. f6 axb3 45. axb3 Rf8 46. Kg3 Kb6 47. Kf4 Kb5 48. Kf5 Be8 49. Rxd5 Bf7 50. Rd7 Bxb3 51. Rb7+ Ka4 {[#]} 52. Rxb3 $1 {[%mdl 512]} Kxb3 {KR-KB} 53. Kg6 Kc2 54. Bc3 Rg8+ 55. Kf7 Rg2 56. Ke7 Rxd2 57. Bxd2 {White mates.} Kxd2 {KPP-KPP} 58. f7 c4 59. f8=Q c3 60. Qf2+ Kd1 61. Ke6 c2 62. Ke5 c1=Q 63. Qf1+ Kd2 64. Qxc1+ Kxc1 65. Kxe4 {Weighted Error Value: White=0.16/Black=0.43} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.9"]
[White "Tanmay Chopra"]
[Black "Shearsby, Jude"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2273"]
[BlackElo "1673"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,85,19,25,14,26,16,53,46,50,54,52,48,137,136,164,160,200,181,376,373,360,377,354,352,456,322,325,323,312,306,465,464,475,457,523,513,523,497,530,405,414,408,469,479,447,429,424,422,385,370,471,477,820,816,29992,1278,29984,29985,29985,29985,29993,29991,29991,29992,29992,29993,29996,29997,29997,29998,29998,29999]} 1. d4 Nc6 2. Nf3 d6 3. e4 Nf6 4. Nc3 g6 5. Bb5 a6 6. Bxc6+ bxc6 7. O-O Bg7 8. h3 O-O 9. Bf4 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence.} Rb8 {[#]} 10. Rb1 $146 ({Predecessor:} 10. b3 c5 11. dxc5 Rb4 12. a3 Nxe4 13. axb4 Nxc3 14. Qd3 dxc5 15. Qxd8 Rxd8 16. Rae1 cxb4 17. Bxc7 {½-½ (43) Vavulin,M (2556)-Ponkratov,P (2632) Moscow 2019}) 10... d5 11. Ne5 {White is slightly better.} Bb7 12. exd5 Nxd5 13. Bg3 e6 (13... Nxc3 $14 14. bxc3 Bxe5 15. Bxe5 f6) 14. Na4 f6 15. Nd3 Qe7 16. Re1 Rbd8 $2 (16... Bc8 17. a3 Nb6) 17. Nac5 $18 Bc8 {[#]} 18. Nxe6 $1 {[%mdl 512]} Bxe6 19. Nc5 {[%mdl 64] Double Attack} Rb8 20. Rxe6 Qd8 21. c4 ({Don't take} 21. Rxc6 f5 $18) 21... Ne7 22. Re1 Re8 (22... Rf7 $142 23. Ne6 Qd7 24. Bxc7 Re8) 23. Ne6 {[%mdl 64] Double Attack} Qd7 24. Nxc7 {[%mdl 64] Double Attack} Rec8 25. Nxa6 Ra8 26. Nc5 Qa7 27. a3 Nf5 28. Bh2 Rd8 29. Ne6 Rd7 30. Qb3 Nxd4 31. Nxd4 Rxd4 32. c5+ Kh8 33. Bd6 {Black must now prevent Re7.} Qd7 (33... Bf8 $142 34. Qc3 Rd5) 34. Re7 Qf5 {[#]} 35. Rbe1 (35. Qf7 $142 $1 {[%mdl 512]} Qxb1+ (35... Rg8 36. Re8) 36. Kh2 Qh1+ 37. Kxh1 Rg8 38. Re8 Bf8 39. Rxf8 Rd1+ 40. Kh2 Rh1+ 41. Kxh1 Rxf8 42. Qxf8#) 35... Rf8 36. Re8 {White mates.} Rd2 37. Qe3 Rd3 38. Qe7 h5 39. Rxf8+ Kh7 40. Rf7 Rd2 41. Rxg7+ Kh6 42. Rh7+ Kg5 43. Qe3+ {[%mdl 64] Double Attack. White took control after the opening.  Weighted Error Value: White=0.13/Black=0.96} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.10"]
[White "Blackburn, Jonathan L B"]
[Black "Goss, Alex"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "2235"]
[BlackElo "1833"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,78,108,106,99,91,155,155,136,107,145,80,79,85,71,29,32,13,137,-239,-358,-560,-553,-535,-539,-936,-943,-924,-934,-906,-895,-940,-956,-939,-954,-944,-939,-948,-941,-902,-843,-963,-964,-1024,-1026,-1025,-1005,-1143,-1140,-1195,-1193,-1242,-1214,-1287,-1285,-1419,-1393]} 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. h3 Bg7 8. Nf3 a6 9. a4 O-O 10. Bd3 Re8 11. O-O c4 12. Bc2 Nbd7 13. Be3 Qc7 {A70: Modern Benoni: 6 e4 g6 7 Nf3.} 14. Qe2 Nh5 (14... Rb8 $142) 15. Nd2 $16 Ne5 {White is clearly better.} 16. Rfe1 {[#]} Qe7 $146 ({Predecessor:} 16... Bd7 17. g4 Nf6 18. f4 Nd3 19. Bxd3 cxd3 20. Qxd3 Rac8 21. Bd4 Qa5 22. Bf2 Qb4 {1-0 (39) Landgren,A (2278)-Malmstig,E (2336) Ronneby 2018}) 17. Nxc4 ({White should try} 17. f4 Nd3 18. Bxd3 (18. Nxc4 Nxe1 19. Qxe1 f5 $15) 18... cxd3 19. Qf3 (19. Qxd3 f5 $16)) 17... Nxc4 18. Qxc4 Qh4 19. Bd3 Be5 {[#] Threatens to win with ...Bxh3!} 20. Bf1 g5 (20... Nf4 $11 {keeps the balance.}) 21. g3 $2 {[%mdl 8192] This costs White the game.} (21. Bd4 $16 {keeps the pressure on.}) 21... Nxg3 $1 $19 22. fxg3 (22. Bg2 {might work better.} Bxh3 23. Qd3) 22... Qxg3+ {Black is clearly winning.} 23. Bg2 {intending Bf2.} Bxh3 {[%csl Gh3][%cal Rg3g2]} 24. Qe2 Qh2+ 25. Kf1 {[#]} Qh1+ $1 26. Bg1 Bd4 {[%csl Gd4][%cal Rh1g1]} 27. Qf3 Qxg1+ 28. Ke2 Qxg2+ 29. Qxg2 Bxg2 30. Kd3 Bxc3 31. bxc3 g4 32. Rab1 Re7 33. c4 Rae8 34. e5 dxe5 35. d6 Rd7 36. c5 f5 37. Rb2 Be4+ 38. Kc4 Rc8 39. Rd2 b6 {Weighted Error Value: White=0.97/Black=0.15} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.11"]
[White "Cox, Tristan A"]
[Black "Balaji, Aaravamudhan"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2141"]
[BlackElo "2206"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,149,18,41,33,44,29,39,28,87,97,88,72,65,84,72,70,82,0,0,-87,-84,-89,-83,-120,-133,-126,-128,-125,-123,-113,-82,-108,-104,-165,-147,-126,-105,-102,-112,-114,-119,-127,-113,-156,-50,-36,0,0,85,85,81,79,108,95,114,90,136,128,121,75,83,72,72,72,101,68,103,107,108,108,92,75,118,0,0,0,0,0,15,0,0,0,0,0,0,0,0,0,0,0,0,0,35,35,64,68,380,329,622,656,408,0,0,0,8,8,8,0,0,0,0,0,5514,5833,1713,5937,5604,4964,4614,4614,4610,4598,2520,2252,29968,29960,4971,4964,29981,29982,29985,29986,29993,29994]} 1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 O-O 6. Nge2 c5 7. d5 e6 8. Ng3 exd5 9. cxd5 h5 10. Bg5 {A65: Modern Benoni: 6 e4.} Qb6 11. Qd2 Nh7 12. Bh4 $1 {White is slightly better. 12.Bh4 is better than 12.Be3.} g5 (12... Nd7 $11 {keeps the balance.}) 13. Bxg5 $16 (13. Na4 $2 Qd8 $19) 13... Nxg5 14. Qxg5 Qxb2 15. Rc1 f6 16. Qe3 f5 $1 {[%cal Rf5f4] [#] Black wants to play ...f4!} 17. exf5 $146 (17. Nxh5 $16 Bd4 18. Qg5+ Kh7 19. Ne2) ({Predecessor:} 17. Nxh5 f4 18. Qd2 Qxd2+ 19. Kxd2 Bd4 20. Rb1 Na6 21. Nb5 Be5 22. Be2 Bd7 23. g3 fxg3 24. hxg3 Bxb5 25. Rxb5 {1-0 (39) Tang,A (2538)-Albornoz Cabrera,C (2573) chess.com INT 2020}) 17... Bxf5 $11 18. Nxf5 (18. Nxh5 $11 {remains equal.} Bd4 19. Qg5+ Kh7 20. Qe7+ Kg8 21. Qg5+ Kh8 22. Qh6+ Kg8 23. Qg5+) 18... Rxf5 $17 19. Ne4 Nd7 $36 {[%mdl 2048] Black is really pushing.} 20. Bd3 Re8 ({Don't take} 20... Qxa2 21. Nxd6 Qa5+ 22. Kf1 $15) (20... Qxg2 21. Rg1 $15) 21. Qd2 Qxd2+ ({Much worse is} 21... Rxd5 $6 22. Qxb2 Bxb2 23. Bc4 $11) 22. Kxd2 Rxd5 23. Ke2 Rd4 24. Bb5 Re7 {Hoping for ...Nb6.} 25. Kf2 (25. Rhd1 $17) 25... Nb6 26. Rhd1 a6 27. Be2 Rxd1 28. Rxd1 Bd4+ 29. Kf1 d5 30. Ng3 Bh8 (30... Nc4 $1 $17 {[%cal Rc4e3] Threatens to win with ...Ne3+.} 31. Bxc4 dxc4 32. Nxh5 c3) 31. Nxh5 $15 c4 32. Nf4 c3 (32... d4 $11) 33. Nxd5 $16 Nxd5 34. Bc4 $1 Rc7 35. Bxd5+ {[%mdl 4096] Endgame KRB-KRB} Kf8 36. Bb3 Bg7 37. g3 b5 38. f4 a5 {[#] aiming for ...c2.} 39. Bc2 $1 Rc4 40. Ke2 Rb4 41. Rd5 Rb2 42. Kd3 a4 43. a3 Bf6 44. g4 Be7 45. Kxc3 ({White should try} 45. g5 $16) 45... Bxa3 $11 46. Bd3 Rb3+ 47. Kc2 Rb2+ 48. Kc3 Rb3+ 49. Kd4 Bb2+ 50. Ke4 a3 51. Rd8+ ({Avoid the trap} 51. Bxb5 $2 a2 $19) (51. Rxb5 $2 Rxb5 52. Bb1 Bc1 $19) 51... Ke7 52. Ra8 Rb4+ 53. Kf5 Bc1 54. Be4 Rd4 (54... Rc4 {feels hotter.} 55. g5 b4 56. Ra7+ Kf8 57. g6 Bb2) 55. g5 Bb2 56. g6 Rd2 $2 {[%mdl 8192]} ({Better is} 56... Rd1 $14) 57. h4 $18 Rh2 $2 (57... b4 58. h5 Rh2) 58. Ra7+ Kd6 {[#]} 59. g7 $2 ({Only move:} 59. Rxa3 $3 $18 {[%mdl 512]} Rxh4 60. Ra6+ Kc7 61. Ra7+ Kd6 62. g7 Bxg7 63. Rxg7) 59... Bxg7 $1 $11 {And now ...a2 would win.} 60. Rxg7 {Strongly threatening Ra7. KRB-KR} a2 61. Ra7 {Black must now prevent Kg5.} b4 62. Kg5 b3 63. h5 Re2 64. Bf5 {h6 is the strong threat.} Re7 $2 {[%mdl 8192]} (64... Re1 $11) 65. Ra6+ $18 Kc5 66. h6 Rf7 67. Bg6 Rf8 68. h7 Kb5 69. Bd3+ Kb4 70. Kg6 Kc3 {[#]} 71. Kg7 $1 Rb8 72. Bg6 Rb6 73. Ra8 {White mates.} Rb7+ 74. Kh6 Rb8 75. Rxb8 {Both players deserved the win here.  Weighted Error Value: White=0.21/Black=0.27} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.12"]
[White "Ismail, Mohammed Aayan"]
[Black "Shafi, Declan"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1719"]
[BlackElo "2166"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,109,-10,60,61,62,63,53,47,51,3,73,66,64,70,87,91,94,87,83,70,74,61,56,59,72,79,132,112,154,82,70,44,38,47,49,47,56,51,65,38,33,37,49,41,60,41,56,37,66,64,64,58,48,48,54,50,61,29,62,56,94,95,112,93,123,114,141,141,139,103,128,96,138,133,324,318,322,323,324,252,393,350,420,405,1498,1439,1459,1453,1241,1143,1207,1062,1869,1512,12788,11061,6461,6461,6003,5261,5077,5077]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O d5 5. d3 d4 ({Black should try} 5... O-O $11) 6. c3 $14 {A07: Réti Opening: New York and Capablanca Systems.} dxc3 7. Nxc3 O-O {[#]} 8. Bf4 $146 {White is slightly better.} ({Predecessor:} 8. Bg5 c6 9. Qd2 Re8 10. Rac1 e5 11. Rfd1 Bg4 12. h3 Bxf3 13. Bxf3 Nbd7 14. d4 exd4 15. Qxd4 {1-0 (31) Plenkovic,Z (2386)-Halvax,G (2314) Zadar 2014}) 8... c6 9. Qc2 Nbd7 (9... Nd5 $1 $11) 10. Rfd1 Nb6 11. e4 Nh5 12. Be3 e5 13. a4 a5 14. Qb3 Nd7 15. d4 exd4 16. Nxd4 Qe7 17. f4 Re8 ({Black should play} 17... Ndf6) 18. e5 $16 Nc5 {[%cal Bd7c5,Bc5a6,Ba6b4,Bb4d5][%mdl 32] [#]} 19. Qc4 (19. Qa3 $142 $1) 19... Bf8 20. Rd2 Ng7 21. Re1 Nf5 22. Nxf5 $1 Bxf5 23. Rd6 $1 Na6 24. Ne4 Bxe4 25. Bxe4 Qc7 26. Rdd1 Rad8 27. Rc1 Nb4 28. Red1 Rxd1+ 29. Rxd1 Rd8 30. Rxd8 Qxd8 31. e6 Nd5 32. exf7+ Kxf7 33. b3 Bg7 34. f5 gxf5 35. Bxf5 Qe7 36. Bf2 $36 {[%mdl 2048] Keeping Black busy.} h6 37. Qg4 Qg5 38. Qxg5 hxg5 {[%mdl 4096] Endgame KBB-KBN} 39. Kg2 Bc3 40. Kf3 Kf6 41. Bc8 b6 $2 {[#] This costs Black the game.} (41... b5 $16 {was worth a try.} 42. Bd7 bxa4 43. bxa4 Nb4) 42. Bb7 $18 Ne7 43. Bxb6 Ke6 44. Bc5 Ng6 (44... Nf5 $142 45. Bb6 (45. Bxc6 Nd4+ 46. Bxd4 Bxd4 $16) 45... Kd5) 45. Ke4 Ne5 46. h4 g4 (46... Nf7 $142 47. Bxc6 gxh4 48. Bd5+ Kf6 49. gxh4 Ne5) 47. Bc8+ {White is clearly winning.} Kf6 48. Bd4 Bxd4 49. Kxd4 {KB-KN} Nf3+ 50. Kc5 Nd2 51. Kxc6 Nxb3 52. Bxg4 Ke5 53. Kb5 Nd2 54. Kxa5 Ne4 55. Kb6 {Weighted Error Value: White=0.11/Black=0.26} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.13"]
[White "Evans, Harry G"]
[Black "Wille, Thomas"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2053"]
[BlackElo "2048"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,75,20,55,0,0,0,6,-4,-1,-4,9,3,22,12,93,87,91,94,99,98,90,84,109,100,113,102,115,88,81,73,114,111,227,208,196,192,191,189,178,5,101,0,0,0,0,0,0,0,40,40,30,31,37,39,39,35,37,22,859,859,838,823]} 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 g6 6. cxd5 Bg7 7. Bc4 O-O 8. Nge2 Nbd7 9. O-O {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} ({Better is} 9. Nf4 $14) 9... Nb6 $11 ({Much worse is} 9... Qc7 10. Bb3 $16) 10. Bb3 Nbxd5 11. Nxd5 {The position is equal.} Nxd5 12. Nc3 {[#]} Nxc3 $146 ({Predecessor:} 12... Nb6 13. Be3 Bd7 14. d5 Rc8 15. Re1 Re8 16. Qf3 e6 17. dxe6 Bxe6 18. Rad1 Qe7 19. Bxe6 fxe6 20. Bxb6 axb6 {1-0 (28) Vaishali,R (2276)-Raga,J (1555) Bhayandar 2015}) 13. bxc3 Qc7 14. Qf3 e5 (14... Be6 $11 {keeps the balance.}) 15. Ba3 $16 Re8 {[#]} 16. Bd6 $1 {[%cal Rd6c7]} e4 {[#]} 17. Qxe4 $1 Rxe4 (17... Qd8 18. Qf4) 18. Bxc7 Re7 19. Bd6 Rd7 20. Bf4 b5 21. Rfe1 {Black must now prevent Re8+.} Bb7 22. Re2 h6 23. Rae1 Bd5 (23... Bf8 $16 {was necessary.} 24. Re8 g5) 24. Re8+ $18 Rxe8 25. Rxe8+ Kh7 26. Bxd5 Rxd5 {[%mdl 4096] Endgame KRB-KRB} 27. Be5 $2 (27. Rb8 $18) 27... f6 {[#]} (27... b4 $1 $11 28. cxb4 (28. c4 Ra5 $14) 28... f6) 28. Bc7 (28. Bf4 $1 $16) 28... b4 $1 $11 {[%cal Rb4c3]} 29. cxb4 {And now Rd8 would win.} Rxd4 {( -> ...Rd1+)} 30. g3 {b5 is the strong threat.} (30. Kf1 {with more complications.} Rxb4 31. Bd6 Ra4 32. a3 g5 33. Bc5) 30... Rxb4 31. Bd6 Rb7 32. Ra8 f5 33. Bc5 Rb5 34. Be3 a5 35. Ra7 {Strongly threatening Bd4.} Kg8 36. Bd2 Rb2 $2 {[%mdl 8192] [#]} (36... Bd4 $11 37. Rd7 (37. Rxa5 Rb2 $14) 37... Bg7) 37. Rxg7+ $1 $18 {[%mdl 576] Double Attack} Kf8 (37... Kh8 38. Bxh6) 38. Bxh6 {Weighted Error Value: White=0.22/Black=0.24} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.14"]
[White "Arora, Tashika"]
[Black "Gordon, Sean"]
[Result "1/2-1/2"]
[ECO "D48"]
[WhiteElo "1744"]
[BlackElo "1716"]
[Annotator "NA RC"]
[PlyCount "75"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. c4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 5. e3 {[%emt 0:00:00]} Nbd7 {[%emt 0:00:00]} 6. Bd3 {[%emt 0:00:00]} dxc4 {[%emt 0:00:00]} 7. Bxc4 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 8. Bd3 {[%emt 0:00:00]} Bb7 {[%emt 0:00:00]} 9. O-O {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 10. Bd2 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 11. Be2 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 12. Rc1 {[%emt 0:00:00]} Rc8 {[%emt 0:00:00]} 13. dxc5 {[%emt 0:00:00]} Nxc5 {[%emt 0:00:00]} 14. Nd4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 15. Nf5 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 16. Nxe7+ {[%emt 0:00:00]} Qxe7 {[%emt 0:00:00]} 17. f3 {[%emt 0:00:10]} e4 {[%emt 0:00:00]} 18. b4 {[%emt 0:02:54]} exf3 {[%emt 0:00:21]} 19. gxf3 {[%emt 0:00:23]} Ne6 {[%emt 0:01:10]} 20. Qb3 {[%emt 0:00:33]} Rfd8 {[%emt 0:00:35]} 21. Rcd1 {[%emt 0:00:26]} Ng5 {[%emt 0:03:17]} 22. e4 {[%emt 0:01:46]} Ne6 {[%emt 0:01:16]} 23. Be3 {[%emt 0:00:58]} Kh8 {[%emt 0:05:30]} 24. Kh1 {[%emt 0:03:35]} Qc7 {[%emt 0:08:52]} 25. Nd5 {[%emt 0:02:58]} Qe5 {[%emt 0:04:02]} 26. Nxf6 {[%emt 0:04:27]} Qxf6 {[%emt 0:00:58]} 27. Bb6 {[%emt 0:02:36]} Rxd1 {[%emt 0:01:18]} 28. Qxd1 {[%emt 0:01:18]} h6 {[%emt 0:01:16]} 29. Qd7 {[%emt 0:00:58]} Nf4 {[%emt 0:02:40]} 30. Qxb7 {[%emt 0:01:00]} Rc2 {[%emt 0:00:43]} 31. Bd4 {[%emt 0:04:25]} Qxd4 {[%emt 0:03:05]} 32. Qb8+ {[%emt 0:00:06]} Kh7 {[%emt 0:00:30]} 33. Qxf4 {[%emt 0:01:25]} Rxe2 {[%emt 0:00:58]} 34. Qf5+ {[%emt 0:01:32]} Kg8 {[%emt 0:02:11]} 35. Qc8+ {[%emt 0:00:04]} Kh7 {[%emt 0:00:03]} 36. Qf5+ {[%emt 0:00:01]} Kg8 {[%emt 0:00:34]} 37. Qc8+ {[%emt 0:00:30]} Kh7 {[%emt 0:00:09]} 38. Qf5+ {[%emt 0:08:05]} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.15"]
[White "Volovich, Julia"]
[Black "Oh, Julie"]
[Result "1-0"]
[ECO "E38"]
[WhiteElo "1674"]
[BlackElo "1168"]
[Annotator "NA RC"]
[PlyCount "151"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 4. Qc2 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 5. dxc5 {[%emt 0:00:00]} Bxc5 {[%emt 0:00:00]} 6. Nf3 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 7. Bg5 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 8. e3 {[%emt 0:00:00]} Nc6 {[%emt 0:01:06]} 9. Rd1 {[%emt 0:00:00]} Be7 {[%emt 0:07:44]} 10. a3 {[%emt 0:00:00]} Nh5 {[%emt 0:01:48]} 11. Bxe7 {[%emt 0:00:00]} Qxe7 {[%emt 0:00:45]} 12. Ne4 {[%emt 0:00:00]} Nf6 {[%emt 0:02:20]} 13. Nd6 {[%emt 0:01:22]} Ne8 {[%emt 0:01:17]} 14. c5 {[%emt 0:01:00]} Nxd6 {[%emt 0:00:30]} 15. cxd6 {[%emt 0:05:43]} Qf6 {[%emt 0:02:05]} 16. Bd3 {[%emt 0:01:17]} h6 {[%emt 0:01:30]} 17. Be4 {[%emt 0:02:09]} Qd8 {[%emt 0:02:34]} 18. Nd4 {[%emt 0:04:58]} f5 {[%emt 0:01:49]} 19. Bf3 {[%emt 0:01:01]} Qa5+ {[%emt 0:02:06]} 20. Qd2 {[%emt 0:03:12]} Qxd2+ {[%emt 0:00:46]} 21. Rxd2 {[%emt 0:00:05]} e5 {[%emt 0:01:56]} 22. Bd5+ {[%emt 0:02:00]} Kh8 {[%emt 0:01:15]} 23. Nf3 {[%emt 0:02:04]} Re8 {[%emt 0:01:35]} 24. O-O {[%emt 0:01:35]} e4 {[%emt 0:04:31]} 25. Nd4 {[%emt 0:01:53]} Nxd4 {[%emt 0:02:49]} 26. Rxd4 {[%emt 0:00:10]} a5 {[%emt 0:03:08]} 27. Rc1 {[%emt 0:02:42]} Ra6 {[%emt 0:01:01]} 28. Rdc4 {[%emt 0:01:34]} Ra8 {[%emt 0:03:26]} 29. Rc5 {[%emt 0:03:36]} Rf8 {[%emt 0:01:26]} 30. h3 {[%emt 0:03:54]} Kh7 {[%emt 0:01:25]} 31. Rc7 {[%emt 0:03:40]} Rb8 {[%emt 0:01:01]} 32. Bc4 {[%emt 0:05:01]} b5 {[%emt 0:01:09]} 33. Be2 {[%emt 0:00:17]} Rd8 {[%emt 0:00:59]} 34. R1c5 {[%emt 0:00:12]} Ba6 {[%emt 0:00:44]} 35. Rxf5 {[%emt 0:00:30]} Rb6 {[%emt 0:00:30]} 36. Rd5 {[%emt 0:00:27]} Kg6 {[%emt 0:00:13]} 37. Bg4 {[%emt 0:00:11]} Rb7 {[%emt 0:00:08]} 38. Bf5+ {[%emt 0:00:35]} Kf6 {[%emt 0:00:11]} 39. Bxe4 {[%emt 0:00:08]} Ke6 {[%emt 0:00:18]} 40. Rcc5 {[%emt 0:01:13]} Rdb8 {[%emt 0:00:23]} 41. Re5+ {[%emt 0:00:13]} Kxd6 {[%emt 0:00:22]} 42. Bxb7 {[%emt 0:00:02]} Rxb7 {[%emt 0:00:03]} 43. Rcd5+ {[%emt 0:00:13]} Kc6 {[%emt 0:00:07]} 44. Rd2 {[%emt 0:00:03]} Rb6 {[%emt 0:00:15]} 45. Re7 {[%emt 0:00:11]} Bc8 {[%emt 0:00:15]} 46. Rxg7 {[%emt 0:00:03]} Kb7 {[%emt 0:00:07]} 47. Rg4 {[%emt 0:00:14]} Rc6 {[%emt 0:00:09]} 48. Rgd4 {[%emt 0:00:05]} Rc1+ {[%emt 0:00:12]} 49. Kh2 {[%emt 0:00:03]} Rc6 {[%emt 0:00:08]} 50. Rd6 {[%emt 0:00:10]} Rxd6 {[%emt 0:00:07]} 51. Rxd6 {[%emt 0:00:02]} h5 {[%emt 0:00:03]} 52. Rd5 {[%emt 0:00:02]} Kc6 {[%emt 0:00:02]} 53. Rxh5 {[%emt 0:00:02]} Ba6 {[%emt 0:00:04]} 54. Rh6+ {[%emt 0:00:06]} d6 {[%emt 0:00:05]} 55. g4 {[%emt 0:00:06]} Kc5 {[%emt 0:00:43]} 56. g5 {[%emt 0:00:02]} b4 {[%emt 0:00:06]} 57. axb4+ {[%emt 0:00:03]} axb4 {[%emt 0:00:02]} 58. g6 {[%emt 0:00:03]} Bc4 {[%emt 0:00:13]} 59. g7 {[%emt 0:00:03]} Bf7 {[%emt 0:00:17]} 60. Rh8 {[%emt 0:00:03]} Kc4 {[%emt 0:00:12]} 61. g8=Q {[%emt 0:00:04]} Bxg8 {[%emt 0:00:01]} 62. Rxg8 {[%emt 0:00:01]} Kb3 {[%emt 0:00:04]} 63. Rb8 {[%emt 0:00:01]} Kxb2 {[%emt 0:00:03]} 64. Rxb4+ {[%emt 0:00:02]} Kc3 {[%emt 0:00:07]} 65. Rd4 {[%emt 0:00:01]} Kb3 {[%emt 0:00:11]} 66. h4 {[%emt 0:00:00]} d5 {[%emt 0:00:02]} 67. h5 {[%emt 0:00:01]} Kc3 {[%emt 0:00:02]} 68. h6 {[%emt 0:00:01]} Kb3 {[%emt 0:00:01]} 69. h7 {[%emt 0:00:01]} Kc3 {[%emt 0:00:01]} 70. h8=Q {[%emt 0:00:01]} Kb3 {[%emt 0:00:01]} 71. Qb8+ {[%emt 0:00:01]} Kc3 {[%emt 0:00:04]} 72. Qc7+ {[%emt 0:00:02]} Kb3 {[%emt 0:00:03]} 73. Qb6+ {[%emt 0:00:03]} Kc3 {[%emt 0:00:05]} 74. Qc5+ {[%emt 0:00:04]} Kb3 {[%emt 0:00:04]} 75. Rb4+ {[%emt 0:00:02]} Ka3 {[%emt 0:00:04]} 76. Qa5# {[%emt 0:00:01]} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.16"]
[White "Rathbone-Jones, Ifan"]
[Black "Idle, Oscar"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1941"]
[BlackElo "1722"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,107,29,0,-13,-15,-1,-3,7,0,7,3,0,0,19,-52,19,26,26,-23,-18,-18,12,10,25,-21,0,-51,0,0,37,29,39,21,26,28,60,44,56,19,28,27,62,-16,6,0,39,-28,-13,-16,-32,-19,0,-1,0,0,45,34,172,176,160,164,162,95,194,188,192,179,193,132,165,171,390,325,325,325,323,310,295,249,228,63,68,71,77,56,66,14,107,105,102,0,130,136,218,211,179,-22,-22,-8]} 1. d4 d5 2. Bf4 Nf6 3. Nf3 c5 4. e3 Nc6 5. c3 Qb6 6. Qc2 Nh5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 7. Bg3 cxd4 8. exd4 Nxg3 9. hxg3 {[#]} Bg4 $146 ({Predecessor:} 9... e6 10. Bd3 Bd7 11. Nbd2 Be7 12. O-O-O h6 13. Rh5 Nb4 14. cxb4 Rc8 15. Qxc8+ Bxc8 {0-1 (34) Pereyra,D (1692)-Overturf,S (1674) ICCF email 2016}) 10. Nbd2 g6 11. Bd3 Rc8 12. Ng5 (12. Qb3 $11) 12... Nb4 13. Qa4+ $11 {[%mdl 64] [#] Double Attack} Nc6 14. Rb1 h5 15. f4 Bh6 16. Ngf3 O-O 17. a3 Bg7 18. Nf1 (18. Qb3 $11) 18... Bd7 (18... e5 $15 19. fxe5 Rfe8) 19. Qd1 $1 Na5 20. Qe2 Nc4 21. Bxc4 dxc4 22. Ne3 Be6 23. Ng5 Bh6 24. Ne4 Qc6 25. Nc5 b6 26. Na6 (26. Nxe6 $14 Qxe6 27. O-O) 26... Qe4 27. O-O h4 28. Qf3 (28. Qf2 $14) 28... Qxf3 29. Rxf3 hxg3 30. Rbf1 Rfd8 31. Rxg3 Kh7 32. Nb4 a5 33. Nbc2 Bf5 (33... Rb8 $14) 34. Nxf5 $18 gxf5 35. Ne3 e6 {[#]} 36. Rh3 (36. Kf2 $1 $18) 36... Kg7 (36... Kg6 $16 {might work better.}) 37. g4 fxg4 38. Nxg4 Rh8 39. Rf2 (39. Kg2 $18) 39... f5 40. Ne5 {Hoping for Rg2+.} (40. Nxh6 $6 Rxh6 41. Rxh6 Kxh6 $14) 40... Rcg8 $2 (40... Kf6 41. Nd7+ Kf7) 41. Kf1 Kf6 42. Rfh2 ({Don't take} 42. Nxc4 $6 Bf8 $18) 42... Bg7 43. Rxh8 ({Much less strong is} 43. Nxc4 $6 Rxh3 44. Rxh3 Rb8 $18) 43... Bxh8 {[%mdl 4096] Endgame KRB-KRN} 44. Rh7 {[%csl Ge5][%cal Rh7f7]} Bg7 45. Nd7+ $2 (45. Nxc4 $18 Kg6 46. Rh1) 45... Kg6 $14 46. Rh2 b5 47. Nc5 Kf7 48. Nb7 ({Better is} 48. Re2 $14) 48... Rb8 (48... a4 $11) 49. Nxa5 $16 Rb6 50. b3 (50. Kf2 $16) 50... Ra6 (50... cxb3 $11 {keeps the balance.} 51. Nxb3 Ra6) 51. b4 Rb6 (51... Kf6 $16 {was called for.} 52. Kf2 Ra8) 52. a4 bxa4 53. Nxc4 $2 ({White should try} 53. Ra2 $18) 53... Rc6 $11 54. Ne5+ $1 {Weighted Error Value: White=0.37/Black=0.37} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.23"]
[Round "3.17"]
[White "Finn, Chris"]
[Black "Stubbs, Oliver"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1964"]
[BlackElo "1905"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,110,14,16,13,2,14,16,17,7,13,16,20,25,17,13,21,18,26,20,29,-70,-66,-88,-91,-76,-82,-126,-59,-91,-44,-30,-39,-45,-21,-29,-22,-43,-27,-81,-31,-153,-153,-175,-175,-170,-168,-159,-57,-122,-35,-62,-48,-62,-53,-79,-91,-92,-86,-65,-7,0,0,-63,-52,-116,-8,-14,-22,-118,-98,-76,0,-265,-260,-258,-13,-350,0,0,0,0,0,0,46,0,24,0,16,0,31,0,0,0,37]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 O-O 6. Bd3 b6 7. c3 Bb7 8. O-O c5 9. Ne5 {Recently 9.a4 got a lot of attention.} Nfd7 10. f4 f6 {[%cal Rd7e5] D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} 11. Nxd7 Nxd7 (11... Qxd7 $5 12. Bh4 $8 e6 $11) 12. Bh4 {[#]} e6 $146 ({Predecessor:} 12... Qe8 13. f5 e5 14. Bb5 a6 15. Bxd7 Qxd7 16. Qf3 e4 17. Qf2 g5 18. Bg3 h5 {0-1 (56) Utkin,A (2368)-Klimov,S (2458) St Petersburg 2002}) 13. Qe2 Qc7 14. g4 e5 15. f5 e4 16. Bb5 a6 {[%cal Ba7a6,Ba6a5,Ba5a4][%mdl 32] [#]} 17. Bg3 $1 Qd8 (17... Qc8 18. Ba4) 18. Bxd7 Qxd7 19. Nb3 (19. dxc5 $11 bxc5 20. Nb3) 19... a5 $15 {Threatens to win with ...Ba6.} 20. Qg2 a4 21. Nc1 Ba6 22. Rf2 Rac8 (22... a3 $17 {aiming for ...cxd4.} 23. Rb1 Rfc8 24. dxc5 bxc5 25. bxa3 Bc4) 23. Ne2 Bxe2 (23... Bh6 {feels hotter.} 24. Nf4 cxd4 25. cxd4 gxf5 26. Qh3 Bxf4 27. Rxf4 Rc2) 24. Rxe2 gxf5 25. gxf5 cxd4 26. cxd4 Qxf5 27. Rf1 Qg6 (27... Qg4 {keeps more tension.} 28. Ref2 Kh8 29. Rf5 Rc1 30. Rxc1 Qxf5 31. Rc6 Bh6) 28. Bd6 (28. Qh3 $11) 28... Rfe8 (28... Rf7 {is more complex.} 29. Kh1 Qxg2+ 30. Rxg2 Rd7 31. Rfg1 h5) 29. Kh1 (29. Bg3 $1 $15) 29... Qxg2+ $1 $17 30. Rxg2 {Hoping for Rfg1.} Kf7 31. Rgf2 Ke6 32. Bf4 Rg8 (32... Rc6 $17 33. b3 a3) 33. Bh6 Rcf8 ({Don't play} 33... Bxh6 $6 34. Rxf6+ Kd7 35. Rxh6 $11) ({Black should play} 33... Bh8 $17 34. Bf4 b5) 34. Bxg7 Rxg7 $15 {[%mdl 4096] Endgame KRR-KRR} 35. Rc2 Rd7 36. Rc6+ Rd6 37. Rc7 Rf7 38. Rc8 Rb7 (38... f5 $15) 39. Rf8 $11 Rf7 40. Rc8 f5 41. Re8+ (41. Rf4 $1 $15) 41... Kf6 (41... Kd7 $1 $17 {[%cal Rd7e8]} 42. Ra8 Kc6 43. Rxa4 f4 44. exf4 Rdf6) 42. Re5 Kg6 43. Rg1+ (43. Kg2 $11) 43... Kh6 44. Rf1 Kg5 ({Black should try} 44... Rc6 $17 {White must now prevent ...Rc2.} 45. Rxd5 Rc2 46. Rd6+ Kh5 47. Rxb6 Re2) 45. Rg1+ $2 {[%mdl 8192] [#]} (45. Kg2 $11 {and White is okay.}) 45... Kh4 $1 $19 46. Rf1 Kg4 (46... h5 $19 {...Rc6 is the strong threat.} 47. Rg1 f4 48. exf4 Rxf4) 47. Rf4+ $2 {[%mdl 8192] [#]} (47. Kg2 $11 {and White stays safe.}) 47... Kg5 $2 (47... Kh3 $1 $19 48. Rexf5 Rxf5 49. Rxf5 h5) 48. h4+ $11 Kg6 49. Kh2 Rc6 50. Rf2 Rd6 51. Kh3 {[%mdl 1024] White has compensation.} h6 52. Rg2+ Kh5 53. Rf2 Kg6 54. Rg2+ Kh7 55. Rf2 Kg6 {Weighted Error Value: White=0.46/Black=0.36} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.1"]
[White "Adams, Michael"]
[Black "Turner, Matthew J"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2716"]
[BlackElo "2509"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,83,39,45,29,20,18,35,26,29,12,34,35,43,30,51,41,29,43,51,20,108,105,81,74,145,137,144,114,109,115,113,115,115,112,115,117,131,129,128,133,266,264,308,262,246,241,410,411,385,225,309,265,705,663,1373,2346,2641,2390,1094,2798,29976,29977,29975,29975,12835,12349]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Be2 O-O 7. O-O dxc4 8. Bxc4 Bg4 9. h3 Bxf3 10. Qxf3 Nbd7 11. e4 {D94: Grünfeld: 4 Nf3 Bg7 5 e3.} Nb6 12. Qd3 Nxc4 13. Qxc4 {White is slightly better.} b5 14. Qxc6 {[#] Strongly threatening e5.} b4 $146 ({Predecessor:} 14... Qxd4 15. Be3 Qe5 16. f4 Qe6 17. Qxe6 fxe6 18. e5 Nd5 19. Nxd5 exd5 20. Bc5 Rf7 {½-½ (62) Shankland,S (2705)-Safarli,E (2593) Khanty-Mansiysk 2019}) 15. Ne2 Rc8 16. Qb7 Rc2 17. Qb5 Qa8 ({Don't play} 17... Nxe4 $6 18. Qd3 $16) 18. e5 Nd5 19. Nf4 Rd8 (19... e6 $11 {remains equal.}) 20. Nxd5 $16 Qxd5 21. Qxb4 (21. Qa4 {with more complications.} Rdc8 22. Be3 a5 23. Rfc1 Rxc1+ 24. Rxc1 Rxc1+ 25. Bxc1 Kf8 26. Be3) 21... e6 (21... Qxd4 $142 22. Qxe7 Bxe5) 22. Be3 Bf8 23. Qa4 Rxb2 24. Rfb1 $36 {[%mdl 2048] White is in control.} Rb7 25. Rxb7 Qxb7 26. Rc1 Be7 27. Rc6 Kg7 28. Qc4 {And now Rc7 would win.} Rd7 29. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} h6 {[#]} (29... a5 $16 30. Rc8 h5) 30. a5 $1 $18 Bg5 31. a6 Qb1+ 32. Qc1 Qe4 (32... Qb4 {might work better.} 33. Qf1 (33. Bxg5 hxg5 34. Qxg5 Qe1+ 35. Kh2 Qxf2 $16) 33... Qa5) 33. Rd6 Bxe3 34. Qxe3 {[%mdl 4096] Endgame KQR-KQR} (34. fxe3 $142 Re7 35. Rd8) 34... Qb1+ 35. Kh2 Qb5 {[#]} (35... Re7 36. Rc6 Qb8) 36. Qf3 Rxd6 37. Qf6+ ({Stronger than} 37. exd6 Qxa6 38. Qf4 f6 $11) 37... Kg8 38. exd6 Qb6 39. Qe5 Qxa6 40. d7 Qb6 41. Qc5 Qb8+ 42. g3 {Weighted Error Value: White=0.08/Black=0.54} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.2"]
[White "Wadsworth, Matthew J"]
[Black "Finn, Peter"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2416"]
[BlackElo "1959"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,128,18,6,20,19,7,-33,-30,-31,-24,-20,-21,-26,-24,-68,-60,-75,-73,-87,-49,-42,-38,-42,-53,-63,-61,-69,-70,-105,-107,-107,-58,-86,-85,-83,-73,-90,-82,-97,-97,-95,-84,-88,-74,-95,-73,-129,-134,-133,-130,-162,-149,-151,-151,-170,-168,-174,-170,-161,-157,-160,-164,-182,-171,-176,-151,-159,-156,-167,0,-144,-93,-177,-179,-193,-183,-244,-244,-280,-286,-280,-266,-438,-429,-426,-434,-429,-332,-327,-233,-237,-243,-310,-288,-363,-359,-348,-220,-190,-68,-225,-225,-267,-251,-265,-226,-646,-628,-631,-626,-742,-726,-1204,-854,-5058,-739,-12841,-12840]} 1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. Nf3 dxc4 5. O-O Nbd7 6. Na3 Nb6 7. Qc2 Be6 {A11: English Opening: 1...c6.} 8. Ng5 Bg4 {The main line 8...Bg4 scores better than 8...Qd7.} 9. f3 Bh5 {Black is slightly better.} 10. Nxc4 Nxc4 11. Qxc4 e5 12. d3 Be7 {[#]} 13. Qb3 $146 ({Predecessor:} 13. Ne4 Nd5 14. Nf2 f6 15. Kh1 Qb6 16. a3 Rd8 17. Qh4 Bg6 18. Nd1 f5 19. Bg5 Bxg5 20. Qxg5 {0-1 (47) McShane,L (2657)-Adams,M (2728) Germany 2011}) 13... Qb6+ 14. Qxb6 axb6 15. Nh3 O-O 16. Be3 Nd5 17. Bf2 b5 18. Rfc1 Rfd8 19. a3 f6 20. e4 Nc7 21. Bb6 Rd7 22. Nf2 {White wants to play Bh3.} Bf7 23. Bh3 Be6 24. Bxc7 Bxh3 25. Bb6 Be6 26. Kg2 Ra6 27. Be3 Bd8 28. Rab1 Ba5 29. b4 ({White should try} 29. g4) 29... Bc7 $17 30. Rc3 Rd8 31. Bc5 Rda8 32. Ra1 Bd7 33. Nd1 b6 34. Bf2 Bd6 $1 35. Rb3 c5 36. bxc5 bxc5 37. Ne3 b4 {[%cal Ra6a3]} 38. Nc4 Bf8 39. Be3 Be6 40. Bc1 {[#]} Bd7 $2 ({Better is} 40... Rd6 $1 $19 {[%mdl 512] Threatens to win with ...Rad8.} 41. Rab1 Rd7) 41. Ra2 (41. Be3 $11) 41... Ba4 (41... h5 $142 42. Kf2 Bb5) 42. Rbb2 (42. Rb1 $17 {might work better.}) 42... Bb5 $19 43. Rb3 {[#]} Rd8 $1 $36 {[%cal Rd8d3][%mdl 2048] Black is in control.} 44. Rf2 (44. Nb2 $142) 44... Ba4 45. Rb1 Rxd3 46. axb4 cxb4 47. Ra2 $2 (47. Nb2 Rb3 48. Ra1) 47... Bb5 48. Rxa6 Bxa6 49. Nd2 Bc8 50. Kf2 Be6 {aiming for ...Rc3.} 51. Ke2 Rd8 52. Bb2 Bd7 53. Ra1 Bb5+ 54. Ke1 g6 55. Ra5 Bh6 56. Bc1 $2 {Now White is beyond hope.} (56. Rxb5 $15 Bxd2+ 57. Ke2) 56... Be8 57. Ra6 Rc8 58. Ra1 Bf7 59. Rb1 $2 (59. Kd1) 59... Ba2 {Black is clearly winning.} 60. Ra1 Rc2 61. f4 exf4 62. Nf3 b3 63. Nd4 Rxh2 (63... fxg3 $142 64. hxg3 Rxc1+ 65. Rxc1 Bxc1 66. Nxb3 Bxb3 67. Kf1 Bc2 68. Kg1 Bxe4 69. Kf2 f5 70. Kf1 f4 71. gxf4 Bxf4 72. Kf2 h5 73. Kf1 h4 74. Kf2 h3 75. Ke2 h2 76. Kf2 h1=Q 77. Ke2 Qg2+ 78. Ke1 Bg3+ 79. Kd1 Qc2#) 64. Ne2 fxg3 {Weighted Error Value: White=0.68/Black=0.32} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.3"]
[White "Toczek, Grzegorz"]
[Black "Ghasi, Ameet K"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "2271"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,140,52,47,63,36,64,64,107,15,49,50,43,43,58,57,72,73,55,63,70,28,26,19,21,20,23,0,0,0,0,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-8,-8,0,-13,-8,-13,-14,-58,-57,-64,-64,-62,-62,-62,-48,-72,-72,-72,-53,-68,-40,-38,0,0,0,-18,-19,-18,-16,-70,-70,-70,-8,-14,-8,-14,0,-65,-64,-68,-8,-301,-301,-294,-285,-469,-206,-6087,-5929,-5785,-5081,-1159,-691,-29981,-29982,-29984,-29979]} 1. d4 Nf6 2. Nc3 d6 3. e4 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Na6 7. O-O c5 8. d5 Nb4 {B09: Pirc Defence: Austrian Attack.} 9. Bc4 Rb8 10. Qe2 e6 {White is slightly better.} 11. dxe6 (11. a3 $16) 11... Bxe6 $11 12. Bxe6 fxe6 13. e5 Nfd5 14. Ne4 dxe5 15. fxe5 Qc7 16. Bg5 c4 17. Nf6+ {[%mdl 64] [#] Decoy} (17. Rae1 {with more complications.} Kh8 18. a3 Nc6 19. Qxc4 b5 20. Qc5) 17... Nxf6 $146 ({Predecessor:} 17... Kh8 18. a3 Nc6 19. Qxc4 Nxf6 20. exf6 Bxf6 21. Rab1 e5 22. Be3 b5 23. Qe4 Rbd8 {1-0 (38) Voelker,M-Juelich,T corr 1998}) 18. exf6 Bxf6 19. Qxe6+ Qf7 20. Qxf7+ Rxf7 21. Bxf6 Rxf6 22. Ne5 Re6 23. Nxc4 Nxc2 24. Rad1 Rc8 25. b3 Rc7 26. Rd2 Nb4 27. a4 Rce7 28. h3 Kg7 29. Rfd1 Na6 30. a5 h5 31. Rd5 Nb4 32. Rd7 Nc6 33. Rxe7+ Rxe7 {[%mdl 4096] Endgame KRN-KRN} 34. Rd6 a6 35. Kf2 Kh6 36. Rd5 Nb4 37. Rd6 Kg5 38. Nd2 Kf5 39. g4+ hxg4 40. hxg4+ Ke5 41. Nc4+ Kf4 42. Nd2 Nc6 43. Rxg6 Nxa5 44. Rb6 Kxg4 45. Nc4 Nc6 46. Nd6 Nd8 $1 47. Rb4+ Kg5 48. Rc4 Kf6 49. Rc8 Rd7 50. Nc4 Nc6 51. Ke3 Ke6 52. Rh8 Re7 53. Kd3 Kd7 54. Nb6+ Ke6 55. Rh6+ Kf5 56. Kc4 Re4+ 57. Kc5 (57. Kc3 $1 $11) 57... Rb4 $1 $15 {[%cal Rb4b5] aiming for ...Rb5+.} 58. Nc4 Rb5+ (58... Rxb3 $15 59. Nd6+ Kg5) 59. Kd6 $11 Rxb3 {...Rc3 is the strong threat.} 60. Kc7 $1 Nd4 61. Nd6+ (61. Na5 $11) 61... Kg5 $15 62. Nf7+ Kg4 ({Better is} 62... Kf4 $1 $15 63. Rh4+ Ke3) 63. Rf6 $2 {[%mdl 8192] [#] This move loses the game for White.} (63. Rb6 $11 {and White has nothing to worry.}) 63... a5 $1 $19 64. Ne5+ Kg5 65. Rb6 $2 (65. Rf2 {was the only chance.}) 65... a4 (65... Kf4 $142 {Threatens to win with ...Rxb6.} 66. Rxb3 Nxb3) 66. Nc4 $2 (66. Rxb3 Nxb3 67. Nd3) 66... Rc3 67. Kd6 Rxc4 68. Kd5 {[#]} a3 $1 {[%cal Ba4a3,Ba3a2][%mdl 32]} 69. Rxb7 (69. Kxc4 a2) 69... Ra4 70. Rb1 a2 {Weighted Error Value: White=0.08/Black=0.07} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.4"]
[White "Fernandez, Daniel Howard"]
[Black "Tanmay Chopra"]
[Result "1/2-1/2"]
[ECO "E00"]
[WhiteElo "2466"]
[BlackElo "2273"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,86,0,2,0,10,13,12,2,4,0,0,0,1,0,0,0,0,-8,0,0,13,7,21,8,12,7,8,0,0,-7,0,-52,-59,-188,-188,-188,-187,-180,-180,-261,-150,-144,-143,-142,-117,-118,-97,-101,-102,-107,-75,-104,-70,-113,-96,-96,-53,-88,0,-38,-25,-54,0,-8,0,0,0,-9,-8,-8,-2,-3,-11,-25,0,0,0,-52,-50]} 1. d4 Nf6 2. c4 e6 3. a3 d5 4. Nc3 c6 5. cxd5 exd5 6. Bf4 {E00: Catalan Bogo-Indian (3 g3 Bb4+).} Bd6 7. Bxd6 Qxd6 8. e3 {The position is equal.} Bf5 9. Bd3 (9. Qb3 {seems wilder.} Qc7 10. Nf3 h6 11. Rc1 Qb6 12. Nd2) 9... Bxd3 10. Qxd3 O-O 11. Nf3 Nbd7 12. O-O Rfe8 13. Qc2 a5 14. Rab1 b5 {[#]} 15. a4 $146 ({Predecessor:} 15. Rfc1 Nb6 16. Ne5 Nc4 17. Nxc4 bxc4 18. b3 Ng4 19. g3 Qh6 20. h4 cxb3 21. Rxb3 Nxe3 22. fxe3 Rxe3 {1-0 (31) Gerusel,M (2323)-Kniest,O (2293) Germany 2003}) 15... b4 16. Ne2 c5 17. dxc5 Nxc5 18. Rbc1 Rac8 19. Nf4 Qd7 20. Nd3 (20. Ra1 $11) 20... Nxa4 $15 21. Nfe5 Rxc2 $19 22. Nxd7 Rec8 ({Inferior is} 22... Nxb2 23. Rxc2 Nxd3 24. Nxf6+ gxf6 25. Ra2 $14) 23. Nxf6+ gxf6 24. Ra1 (24. b3 $142 Rxc1 25. Rxc1 Rxc1+ 26. Nxc1) 24... Nc5 (24... Nxb2 $19 25. Nxb2 Rxb2 26. Rxa5 Rb8 27. Rxd5 b3) 25. Nxc5 $17 R8xc5 {[%mdl 4096] Endgame KRR-KRR} 26. b3 Rd2 27. g3 Rc3 28. Rxa5 Rxb3 29. Rb5 Rbb2 30. Kg2 b3 31. Rb4 Kf8 32. g4 Ke7 33. Rb6 Kf8 (33... Kd8 $17) 34. Kg3 Kg7 35. Rb4 Kg6 (35... f5 $5) 36. h4 $1 Kg7 37. h5 h6 38. Rb8 d4 39. exd4 Rxd4 40. Re1 f5 41. gxf5 Kf6 42. Re3 Rd5 43. Rb6+ ({White should try} 43. f4 $11) 43... Kg5 {White happily takes the draw.  Weighted Error Value: White=0.14/Black=0.16} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.5"]
[White "Villiers, Thomas"]
[Black "Lalic, Bogdan"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2161"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,27,6,9,-8,-1,0]} 1. d4 e6 2. Nf3 d5 3. c4 a6 4. e3 Nf6 5. Nc3 dxc4 6. Bxc4 c5 7. O-O b5 8. Be2 Bb7 9. dxc5 Bxc5 10. Qxd8+ Kxd8 11. b3 Nbd7 12. Bb2 Ke7 13. Rfd1 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} Rac8 14. Rac1 {[#] An uneventful encounter. Not enough moves} {Predecessor:} Rhd8 $146 15. Nd4 Nd5 16. Nxd5+ Bxd5 17. Nf5+ exf5 18. Rxd5 f6 19. Rxf5 Bb6 20. Rd5 Rxc1+ 21. Bxc1 {½-½ (42) Burkart,L (1522)-Olszewski,A (1199) Bratislava 2019} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.6"]
[White "O`Gorman, Tom"]
[Black "Evans, Harry G"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2368"]
[BlackElo "2050"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,111,27,25,12,39,20,27,23,18,0,0,2,8,0,145,0,15,0,0,0,0,-60,-56,-53,-50,-55,-30,-87,-66,-68,-73,-95,-93,-33,0,0,0,0,0,0,0,-41,0,-59,-66,-66,-59,-64,-52,-94,-58,-109,-116,-101,-95,-115,-104,-103,-104,-96,-91,-92,7,25,46,41,77,96,281,250,396,393,460,443,688,650,29940,29941,29944,29946,29947,29946,29946,29949,12850,12847,9630,8238,29952,29952,29947,12328,29952,29953,29950,29955,29957,29953,29963,29946,5139,5106]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bf5 7. Bd3 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} Bg6 (7... Bxd3 {keeps more tension.} 8. Qxd3 Bd6 9. Nf3 O-O 10. O-O Re8) 8. Nf3 Bd6 {[#]} 9. O-O $146 {White has an edge.} ({Predecessor:} 9. Qe2+ Qe7 10. Qxe7+ Kxe7 11. Ke2 Re8 12. Nh4 Kd8+ 13. Be3 Bxd3+ 14. Kxd3 g6 15. g3 {1-0 (62) Kokarev,D (2622)-Moiseenko,V (2543) Khanty-Mansiysk 2017}) 9... O-O 10. Nh4 Bxd3 11. Qxd3 Qc7 12. Nf5 Bxh2+ 13. Kh1 Bf4 $1 14. Re1 {Strongly threatening Re7.} Bxc1 15. Raxc1 g6 16. Re3 Qf4 $15 ({Not} 16... gxf5 $2 17. Rg3+ Qxg3 18. Qxg3+ Kh8 19. Qc7 $18) 17. Ne7+ Kg7 18. Rce1 Nd7 $1 19. g3 (19. Rf3 $11 Qh4+ 20. Kg1) 19... Qg4 ({Reject} 19... Qxf2 $6 20. R3e2 $14) 20. Re4 Qg5 21. f4 Qh5+ 22. Kg2 (22. Kg1 $17) 22... Qb5 (22... Qa5 {with more complications.} 23. f5 g5 24. a3 Rh8 25. c4 Rad8) 23. Qxb5 cxb5 24. Nd5 {And now Re7 would win.} Rac8 25. Re7 Rfd8 26. Nb4 Kf8 27. Kf1 (27. g4 $11) 27... a5 28. Nd5 b4 29. cxb4 axb4 30. b3 Rc2 31. Nxb4 ({White should play} 31. R1e2 $15 Rxe2 32. Rxe2 (32. Kxe2 $2 {perishes.} Nb6 $19)) 31... Rd2 $17 32. d5 f5 $1 33. R1e2 Rd4 34. a3 Nc5 {...Ne4 is the strong threat.} 35. Rc7 {[#]} Ne4 {[%cal Re4g3]} 36. Kg2 Ra8 (36... Nd6 $17 37. Kf1 Re8 38. Rxe8+ Kxe8) 37. Rxb7 $11 Rd1 38. a4 Rc8 39. Nc6 Rd3 $2 {[#] A mistake that costs the game.} (39... Nc5 $16 {was necessary.} 40. Ra7 Rxd5) 40. a5 $1 $18 Rxg3+ (40... Ra8 $142 41. Kh2 Nc5) 41. Kh2 {Black must now prevent Rxe4!} Rc3 42. a6 {aiming for a7.} Nc5 (42... Ra8 $142 43. a7 Kg7) 43. Ree7 Nxb7 44. axb7 R3xc6 45. dxc6 Rxc6 46. b8=Q+ Kxe7 {[%mdl 4096] Endgame KQ-KR} 47. Qb7+ Kd6 48. Qxf7 Rc7 49. Qf6+ Kc5 50. Qe5+ Kb6 51. Kg3 Rc5 52. Qb8+ Kc6 53. Kh4 Rb5 54. Qg8 Rb4 55. Qe6+ Kb5 56. Kg5 {Weighted Error Value: White=0.12/Black=0.64} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.7"]
[White "Ismail, Mohammed Aayan"]
[Black "Grieve, Harry"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1719"]
[BlackElo "2351"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,90,12,18,22,23,13,44,30,25,10,0,0,22,16,55,47,74,18,54,33,73,62,73,58,94,41,32,0,0,0,0,0,-12,0,0,0,103,77,90,0,85,-143,-135,-133,-130,-132,-130,-87,-62,-65,-59,-40,0,0,0,0,0,0,0,0,0,0,843,750,2402,2330,2209,2172,2244,2305,29983,29984,29988,29989,29991,29990,29990,29991,29991,29992,29999]} 1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. d4 Bg7 5. O-O O-O 6. Nbd2 Nc6 7. c3 {A81: Dutch Defence: 2 g3.} a5 8. a4 {[#]} Kh8 $146 ({Predecessor:} 8... e6 9. Qc2 d5 10. b3 Re8 11. Ba3 e5 12. dxe5 Nxe5 13. Nd4 c6 14. Rad1 Qb6 {1-0 (32) Peregudov,N (2415)-Malaniuk,V (2600) Omsk/Perm 1998}) 9. Re1 {White is slightly better.} d5 10. Ne5 Nxe5 11. dxe5 Ne4 12. f4 Ra6 13. c4 c6 14. Nxe4 (14. cxd5 $16 cxd5 15. Nf3) 14... fxe4 15. Be3 Be6 16. cxd5 cxd5 17. Qd4 Qb8 18. Rac1 (18. Bd2 $16) 18... g5 $14 19. Qc5 gxf4 20. gxf4 Qe8 21. Rc3 Bh6 22. Rf1 Rc6 23. Qxa5 Qh5 (23... Rxc3 $11 24. bxc3 Qh5) 24. Rxc6 $16 bxc6 25. Rf2 ({White should try} 25. Qd2 $16) 25... Qh4 (25... d4 $1 $11 26. Bxd4 Bxf4 27. Rxf4 (27. Bxe4 Qh4 $17) 27... Rxf4 28. Qd8+ {[%mdl 64] Double Attack} Kg7 29. Qxe7+ {[%mdl 64] Double Attack} Rf7 30. Qxe6 Qxe2) 26. Kh1 $2 {[#]} (26. Qc5 $16 {stays on course.}) 26... d4 $1 $36 {[%cal Rd4e3][%mdl 2048] Black is really pushing.} (26... Bxf4 $6 27. Rxf4 Rxf4 28. Bxf4 $11) 27. Bxd4 Bxf4 28. Rxf4 ({But not} 28. Bxe4 $2 Bh6 $19) 28... Qxf4 29. Qc5 Qg5 30. a5 $1 Rg8 $1 {[%csl Gg8][%cal Rg5g2] [#]} 31. Bxe4 Qh4 {[%cal Rh4e4]} (31... Rg7 $5 {[%cal Re6h3]} 32. Be3 (32. Qxc6 $2 Qf4 $19) (32. Bxc6 $2 Bh3 $19) 32... Qh4 33. Bxc6 Qe1+ 34. Bg1 Qxe2 $11) 32. Bf3 Qe1+ 33. Bg1 Bd5 34. Bxd5 cxd5 $11 {[%mdl 4096] Endgame KQR-KQB} 35. e6 {And now a6 would win.} h6 {Strongly threatening ...Kh7.} 36. a6 $1 {[%cal Ba5a6,Ba6a7][%mdl 32] aiming for a7.} Qb1 $2 {[%mdl 8192]} (36... Kh7 $11 37. a7 (37. Qxe7+ $2 Rg7 $19) 37... Qb1) 37. Qd4+ $18 Rg7 38. a7 Qa2 39. b4 Kh7 40. Qd3+ Rg6 41. Bd4 {White mates.} h5 42. h4 Kh6 43. Qe3+ Kh7 44. Qe5 {[%csl Gd4][%cal Re5h8]} Qb1+ 45. Kh2 {[%csl Gd4][%cal Re5h8]} Rg8 46. Qxh5# {Weighted Error Value: White=0.22/Black=0.33} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.8"]
[White "Goss, Alex"]
[Black "Claridge-Hansen, William"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1833"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,0,-1,-4,-4,-6,-2,-27,-38,-25,-6,-11,6,0,0,0,0,0,11,0,12,0,0,-8,-9,-35,-5,-28,-11,-17,-10,-31,-30,-39,-31,-39,-39,-39,-39,-91,-39,-91,-91,-91,-91,-91,-82,-143,-143,-143,-143,-252,-243,-843,-875]} 1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 Nd4 5. d3 Ne7 6. Nxd4 {B40: Sicilian: 2...e6, Unusual lines.} (6. Be2 {is more complex.} Nec6 7. O-O Be7 8. Nxd4 cxd4 9. Na4) 6... cxd4 7. Nb5 {[%cal Rb5d6,Bc3b5,Bb5a3,Ba3c2][%mdl 32]} Nc6 8. f4 {[#] The position is equal.} a6 $146 ({Predecessor:} 8... Be7 9. Be2 O-O 10. O-O a6 11. Na3 Rb8 12. Nc2 b5 13. b3 Qb6 14. Kh1 Bb7 {0-1 (46) Zilinskas,V (2138)-Bucinskas,V (2361) Lithuania 2012}) 9. Na3 Bb4+ 10. Bd2 Qa5 11. Nc2 Bxd2+ 12. Qxd2 Qxd2+ 13. Kxd2 d6 14. Be2 e5 15. f5 b5 16. b3 Ke7 17. Rab1 Bd7 18. Rhc1 b4 19. a3 bxa3 20. Ra1 Rab8 {aiming for ...Na5.} 21. Rxa3 Rb6 22. Rca1 a5 23. Rb1 g6 24. Bf3 {[#]} (24. g4 $15) 24... Rg8 (24... h5 $1 $17) 25. g3 {[#]} (25. g4 $15) 25... h5 $1 $17 (25... gxf5 $6 26. exf5 Rgb8 27. g4 $11) 26. Rf1 Rgb8 (26... gxf5 $6 27. exf5 f6 28. Rb1 $11) 27. Na1 Rb4 ({Much weaker is} 27... gxf5 $6 28. exf5 Bxf5 29. c5 $11 (29. Bxc6 Bh3 $15)) 28. Rb1 (28. Bd1 $142) 28... a4 {[%cal Ba5a4,Ba4b3][%mdl 32]} 29. fxg6 fxg6 30. Nc2 (30. Bd1 $17 {is a better defense.}) 30... Rxb3 $19 31. Rbxb3 (31. Raxb3 axb3 32. Ne1) 31... axb3 {Weighted Error Value: White=0.41/Black=0.06} ({Less strong is} 31... Rxb3 32. Rxa4 Rb8 33. h4 $15) 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.9"]
[White "Gurner, Jem"]
[Black "Cox, Tristan A"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1800"]
[BlackElo "2141"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,74,-28,-28,-25,-27,-36,-41,-38,-18,-32,-23,-81,0,-85,-94,-105,-77,-85,-77,-77,-82,-90,-84,-91,-92,-168,-98,-100,-48,-153,-126,-110,-51,-59,-40,-41,-23,-39,-39,-53,-47,-37,-7,-72,-60,-54,-35,-81,-69,-185,-23,-459,-455,-479,-479,-1450,-1372,-29982,-29983,-29988,-29989,-29989,-29990,-29994,-29995,-29998,-29999]} 1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. e3 Bb4 5. Nge2 O-O 6. a3 {D00: 1 d4 d5: Unusual lines.} Be7 7. Ng3 b6 8. Bd3 {Black is slightly better.} c5 9. O-O Nc6 {[#]} 10. Be5 $146 (10. dxc5 $11 {remains equal.} bxc5 11. e4) ({Predecessor:} 10. dxc5 bxc5 11. Bb5 Bb7 12. Qf3 Qb6 13. Qe2 a6 14. Ba4 Qxb2 15. Qd2 Qb6 16. Rab1 {0-1 (40) Convent,C-Breitenstein,E DESC email 2004}) 10... Nd7 (10... Bb7 $17) 11. f4 (11. Qh5 g6 $17) (11. Nxd5 $1 $11 {keeps the balance.} exd5 12. Bf4) 11... g6 $17 12. Qg4 f5 (12... a6 {looks sharper.} 13. Qh3 f5 14. Be2 Bb7 15. Kh1 b5) 13. Qf3 {Threatening Nxd5.} Ndxe5 14. dxe5 Bb7 15. Rad1 a6 16. Qf2 b5 17. e4 {[#]} (17. Be2 $17) 17... d4 (17... dxe4 18. Bxe4 Qc7 19. Bf3 $11) (17... Nxe5 $1 $19 {[%mdl 512]} 18. exf5 (18. fxe5 $2 fxe4 {[%mdl 64] Discovered Attack} 19. Qd2 exd3 $19) 18... Nxd3 19. Rxd3 c4) 18. exf5 gxf5 (18... exf5 $17 19. Be2 Na5) 19. Nh5 Kh8 (19... dxc3 20. Qg3+ Kf7 21. Bxf5 $1 $16) 20. Be2 Qb6 ({Black should play} 20... Na5 $17 {White must now prevent ...Rg8.} 21. Nb1 (21. Qg3 $2 Rg8 $19) 21... Rg8) 21. Nb1 $15 ({Don't blunder} 21. Qg3 $2 Rg8 $19) 21... c4 {And now ...Bc5 would win.} 22. Bf3 Bc5 23. Qh4 Qc7 $36 {[%mdl 2048] Threatens to win with ...d3+. Black is pushing.} 24. Kh1 Rad8 25. Nf6 Qg7 26. Qh3 (26. Qf2 $11) 26... Be7 $17 27. Nh5 Qh6 28. Nd2 Rg8 29. g3 {[#]} (29. b4 $15) 29... Rg4 $2 30. Qg2 $2 {[%mdl 8192] This move loses the game for White.} Qxh5 $19 31. Bxc6 {[#]} Rxg3 $3 {[%mdl 576] Deflection} 32. Qxg3 (32. Bxb7 $142 Rxg2 33. Bxg2) 32... Bxc6+ 33. Nf3 Rg8 {Black mates.} 34. Qf2 Bh4 35. Qe2 Bg3 36. Rxd4 {[#]} Bxh2 $1 {[%mdl 576] Pin} 37. Rd6 (37. Rd2 Bg1+) 37... Bxf4+ {[%mdl 64] Discovered Attack.  Weighted Error Value: White=0.69/Black=0.21} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.10"]
[White "Toma, Katarzyna"]
[Black "Hebden, Mark L"]
[Result "1-0"]
[ECO "C86"]
[WhiteElo "2289"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,103,0,-7,-6,-31,-26,-32,-31,-24,-30,-19,-32,-58,-54,-69,-40,-58,-3,-3,0,-12,0,-84,-82,-70,-4,0,0,-83,-51,-68,-80,-65,-68,-80,-8,-10,-4,-6,0,0,0,0,4,0,0,0,43,68,52,43,81,77,74,70,164,149,262,58,162,87,82,90,91,90,97,93,1028,1028,989,967,945,945,940,942,872,877,856,862,841,768,749,744,6512,1362]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. c3 b5 7. Bb3 O-O 8. O-O d5 9. d3 Re8 {is now more promising than 9...Bb7.} 10. Rd1 Bb7 11. Nbd2 Bf8 {C86: Closed Ruy Lopez: Worrall Attack.} 12. Nf1 Na5 13. Bc2 c5 {Black is slightly better.} 14. Bg5 h6 15. Bh4 Qb6 {[#]} 16. Ne3 $146 ({Predecessor:} 16. Bxf6 Qxf6 17. exd5 Bxd5 18. N3d2 Rad8 19. Ne3 Bc6 20. Re1 Qg6 21. f3 Qd6 22. a4 {½-½ (39) Moser,R (2295)-Weber,K (2204) ICCF email 2011}) 16... d4 $1 {[%cal Rd4e3]} ({Reject} 16... dxe4 $6 17. dxe4 g5 18. Bg3 $11) 17. cxd4 cxd4 18. Nf5 Bc8 (18... Nd7 $15) 19. Qd2 $11 Bxf5 20. exf5 Nd5 21. f6 (21. a3 $11 {remains equal.}) 21... Bb4 $17 22. Qe2 Nxf6 (22... Nf4 $15 23. Qe4 Rac8) 23. a3 $11 Bf8 24. Nxe5 (24. b4 $11 Nc6 25. Bxf6 gxf6 26. Bb3) 24... Qe6 25. Qd2 Qxe5 26. Qxa5 Bd6 $1 27. Bg3 Qd5 ({Black should play} 27... Qc5 $17 {Threatens to win with ...Bxg3.} 28. Qd2 Bxg3 29. fxg3 Qh5) 28. Re1 $1 Bxg3 29. hxg3 Ng4 {Hoping for ...Qh5.} 30. Bd1 Ne5 31. Qd2 Rac8 32. f4 Nd7 33. Bg4 Re3 34. Rxe3 dxe3 35. Qxe3 Rc2 {[%csl Gc2][%cal Rd5g2]} 36. Bf3 Qd6 37. d4 Rxb2 (37... g6 $14) 38. Rc1 $18 Ra2 {[#]} (38... Nf8 $16 {keeps fighting.}) 39. Rc3 $2 (39. Rc6 $1 $18 {[%cal Rc6d6]} Qf8 40. Rxa6) 39... a5 {[#]} (39... Qe6 $14) 40. Kh2 ({Better is} 40. Qe8+ $1 $18 Nf8 41. Kh2) 40... Nf6 $16 41. Rc8+ Kh7 42. Qd3+ g6 43. Qxb5 {Black must now prevent Rc6!} Qxd4 $2 {[%mdl 8192] This move loses the game for Black.} (43... Rxa3 $16 44. Qe5 Qe6) 44. Qb3 $18 {[%cal Rb3f7][%mdl 64] Double Attack. White is clearly winning.} Rxg2+ 45. Kxg2 {[%cal Rb3f7]} ({And not} 45. Bxg2 Ng4+ 46. Kh3 Nf2+ 47. Kh2 Ng4+ 48. Kh3 Nf2+ 49. Kh2 Ng4+ $11) 45... Qd2+ 46. Kf1 {[%cal Rb3f7]} Qd7 47. Qc3 Qh3+ 48. Bg2 Qf5 49. Rb8 h5 50. Qe5 Qd3+ 51. Kg1 Qa6 52. Qe7 {Weighted Error Value: White=0.24/Black=0.22} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.11"]
[White "Balaji, Aaravamudhan"]
[Black "Volovich, Julia"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2206"]
[BlackElo "1674"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,86,0,10,0,-6,-66,-64,-97,-83,-91,-85,-87,-88,-94,-83,-142,-88,-83,-75,-81,-79,-96,-67,-61,-63,-58,-32,-53,-33,-45,-46,-57,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,0,-8,-15,-116,-121,-120,-115,-145,-115,-682,-658,-713,-243,-533,-523,-29993,-29993,-29997,-1312]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Nf3 Qa5 9. Qd2 Nc6 10. Rc1 cxd4 11. cxd4 Qxd2+ 12. Kxd2 O-O 13. d5 {13.Bb5 deserves study. D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} Rd8 14. Bd3 (14. Ke1 $11 Nb4 15. Bd2) 14... Nb4 $15 15. Bb1 {[#] Black is slightly better.} f5 $146 ({Predecessor:} 15... e6 16. Bc5 exd5 17. Ke2 Na6 18. Rhd1 Nxc5 19. Rxc5 d4 20. h3 b6 21. Rc7 Ba6+ {0-1 (47) Parks,J (1844)-Mitchell,J (1708) Dundee 2012}) 16. Rhd1 fxe4 17. Bxe4 Bf5 18. Bxf5 gxf5 (18... Rxd5+ 19. Ke1 $15) 19. Ke1 (19. a4 $142) 19... Nxd5 (19... Nxa2 $142 20. Rc7 Nc3 {[%mdl 64] Double Attack}) 20. Bd4 $17 e6 21. Ng5 {[#] Strongly threatening Bxg7.} Re8 22. Kf1 Bh6 23. h4 Bxg5 24. hxg5 Kf7 25. Rd3 Kg6 (25... Rac8 $5 {[%cal Rc8c1]} 26. Rb1 b6 $15) 26. Be5 Rac8 ({Worse is} 26... Kxg5 27. Rg3+ Kh6 28. Ke2 Nc3+ 29. Bxc3 Kh5 30. Rh1#) 27. Re1 Kxg5 ({Black should play} 27... Rc2 $15) 28. Rg3+ $11 Kh5 29. Ke2 {[%cal Re1h1]} Rc4 $1 {[%cal Rc4g4]} ({Not} 29... Rc2+ $2 30. Kf3 $18) 30. Rh1+ Rh4 31. Rxh4+ Kxh4 {[%mdl 4096] Endgame KRB-KRN} 32. Rg7 Rc8 33. g3+ Kh5 $1 34. Kf3 Rc2 35. a3 Ra2 36. Bd6 (36. Rxh7+ $11 Kg6 37. Rg7+ Kh6 38. Rxb7) 36... Rb2 $17 37. Be5 Rb3+ {[%mdl 64] [#] Double Attack} 38. Kg2 Kh6 ({Don't play} 38... Rxa3 39. Rxh7+ Kg6 40. Rg7+ Kh6 41. Rxb7 $11) 39. f4 $2 {[%mdl 8192] This move loses the game for White.} (39. Rd7 $17) 39... Ne3+ $19 40. Kh3 {Threatening mate with Rg5.} Ng4 $2 (40... Rb1 {[%cal Rb1h1]} 41. Kh2 Ng4+ 42. Kh3 Nxe5) 41. Ba1 $2 (41. Re7 {was worth a try.}) 41... Rxa3 42. Kh4 Rxa1 {[%cal Ra1h1]} 43. Rg6+ Kxg6 {[%cal Ra1h1] Weighted Error Value: White=0.63/Black=0.22} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.12"]
[White "Gordon, Sean"]
[Black "Blackburn, Jonathan L B"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2039"]
[BlackElo "2235"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,106,-1,8,0,18,11,33,33,40,24,22,-2,7,10,43,28,44,54,80,-33,-27,-37,-35,-30,50,46,52,28,41,-41,-37,-32,93,0,112,18,10,0,24,0,25,-28,-11,-59,40,0,0,0,18,18,18,0,0,-14,-14,-14,-14,-14,0,-73,-73,-89,-73,-89,-73,-425,-410,-407,-385,-318,-385,-585,-523,-492,-489,-544,-491,-643,-660,-793,-395,-580,-561,-969,-955,-905,-876,-879,-863,-925,-870,-29988,-29985,-29995,-29996]} 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. e4 c5 6. Nge2 Nc6 7. d3 {now scores much better than the old 7.0-0.} Bd7 8. h3 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} Qc8 9. Be3 h5 10. Qd2 {White is slightly better.} a6 11. Rb1 Rb8 12. a4 {[#]} e5 $146 ({Predecessor:} 12... e6 13. d4 cxd4 14. Nxd4 O-O 15. Nde2 d5 16. cxd5 exd5 17. Nxd5 Nxd5 18. exd5 Ne5 {0-1 (60) Halldorsson,G (2248)-Gunnarsson,J (2463) Reykjavik 2009}) 13. f3 Nd4 14. b4 cxb4 15. Rxb4 Qc5 16. Rb1 {[#]} ({White has to play} 16. Rb2 $16) 16... Nc2+ $1 {[%mdl 64] Discovered Attack} 17. Kf2 Nxe3 18. Qxe3 Bh6 (18... Qa5 $11) 19. Qxc5 $14 dxc5 20. Rb6 Bc6 $1 21. Rhb1 ({White should try} 21. h4 $1 $14) 21... Nd7 $15 22. R6b2 f5 (22... h4 $1 $15 {keeps the upper hand.}) 23. Nd5 (23. exf5 $16 gxf5 24. f4) 23... Rf8 (23... fxe4 $11 24. dxe4 h4) 24. Nc7+ ({Better is} 24. exf5 $16 gxf5 25. f4) 24... Ke7 $11 25. Nd5+ Kd6 26. Nec3 Bg5 27. Ke2 (27. h4 $142 Bd8 28. f4) 27... f4 28. gxf4 (28. h4 $5 {[%cal Rh4g5]} Bd8 29. gxf4 exf4 30. Rh1 $11) 28... Bxf4 (28... exf4 $15 29. Rd2 Ne5) 29. Nxf4 Rxf4 30. Nd5 Bxd5 (30... Rh4 {with more complications.} 31. a5 Nf8 32. Kf2 Ke6 33. Ke3 g5) 31. cxd5 b6 {[%cal Bb7b6,Bb6b5,Bb5b4][%mdl 32]} 32. Kf2 g5 33. Kg3 Kc7 34. Rh1 h4+ 35. Kf2 b5 36. Rhb1 {[#]} (36. axb5 $11 axb5 37. Ra1) 36... b4 $1 $17 ({Much worse is} 36... bxa4 37. Rxb8 Nxb8 38. Ra1 $11) 37. Ke3 Nf6 38. Rf2 Kd6 39. Kd2 $2 {[%mdl 8192] White does not recover from this.} (39. Bf1 $17) 39... c4 $19 40. Ke3 {next Rc2 is good for White.} c3 41. Rc2 {And now Rxc3! would win.} Nd7 42. d4 (42. Bf1 {might work better.} Rff8 43. Rbc1) 42... a5 43. dxe5+ Kxe5 44. Bf1 Rbf8 45. Be2 Nc5 46. Ra1 Rg8 (46... Nxe4 $142 47. Re1 Ng3) 47. Bd1 (47. Rg1 $142 Nxe4 48. fxe4 Rxe4+ 49. Kd3 Rd4+ {[%mdl 64] Double Attack} 50. Ke3 Kxd5 51. Kf3) 47... Nb3 48. Raa2 Nd4 {Strongly threatening ...b3!} 49. Rf2 b3 50. Bxb3 Nxb3 51. Ra3 Rb8 52. Rc2 Nd4 {[%csl Gd4][%cal Rf4f3][%mdl 64] Double Attack} 53. Rcxc3 Rb2 {[%csl Gd4][%cal Rf4f3] Weighted Error Value: White=0.75/Black=0.34} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.13"]
[White "_2000_512"]
[Black "Arora, Tashika"]
[Result "0-1"]
[ECO "D72"]
[WhiteElo "1855"]
[BlackElo "1744"]
[Annotator "NA RC"]
[PlyCount "58"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 4. cxd5 {[%emt 0:00:00]} Nxd5 {[%emt 0:00:00]} 5. Bg2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 6. e4 {[%emt 0:00:00]} Nb6 {[%emt 0:00:00]} 7. Ne2 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 8. O-O {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 9. d5 {[%emt 0:00:00]} Na5 {[%emt 0:00:00]} 10. Nbc3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 11. Be3 {[%emt 0:00:00]} Nac4 {[%emt 0:00:00]} 12. Bc5 {[%emt 0:01:11]} Re8 {[%emt 0:00:00]} 13. b3 {[%emt 0:00:44]} Nd6 {[%emt 0:00:00]} 14. f4 {[%emt 0:03:49]} exd5 {[%emt 0:00:00]} 15. e5 {[%emt 0:00:29]} Ne4 {[%emt 0:00:00]} 16. Nxe4 {[%emt 0:01:37]} dxe4 {[%emt 0:00:00]} 17. Bxe4 {[%emt 0:01:37]} Qxd1 {[%emt 0:00:00]} 18. Raxd1 {[%emt 0:00:14]} f6 {[%emt 0:00:00]} 19. Nd4 {[%emt 0:09:15]} c6 {[%emt 0:00:00]} 20. exf6 {[%emt 0:04:35]} Bxf6 {[%emt 0:00:00]} 21. Bf3 {[%emt 0:00:23]} Bh3 {[%emt 0:00:00]} 22. Rf2 {[%emt 0:01:29]} Nd7 {[%emt 0:00:00]} 23. Rc2 {[%emt 0:04:30]} Nxc5 {[%emt 0:00:00]} 24. Rxc5 {[%emt 0:00:13]} Re1+ {[%emt 0:00:17]} 25. Rxe1 {[%emt 0:01:52]} Bxd4+ {[%emt 0:00:03]} 26. Kh1 {[%emt 0:00:01]} Bxc5 {[%emt 0:00:02]} 27. g4 {[%emt 0:00:25]} Rd8 {[%emt 0:00:19]} 28. Be2 {[%emt 0:00:28]} Kf8 {[%emt 0:00:15]} 29. a3 {[%emt 0:00:12]} Re8 {[%emt 0:00:11]} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.14"]
[White "Shearsby, Jude"]
[Black "Varney, Zoe"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1673"]
[BlackElo "1917"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,-8,-3,0,22,-3,18,1,14,4,23,27,32,18,14,-7,-6,-5,16,-22,-14,-21,0,0,0,-4,18,-12,50,49,40,48,92,83,77,86,79,15,18,18,18,18,18,20,36,36,36,16,36,36,38,0,38,52,45,0,6,0,0,5,27,-13]} 1. d4 d5 2. Bf4 Nf6 3. Nc3 e6 4. Nb5 Na6 5. e3 c6 6. Nc3 {D00: 1 d4 d5: Unusual lines.} Nb8 7. Nf3 $1 {[%mdl 4] is recently more successful than 7.Bd3.} Bd6 8. Bd3 {The position is equal.} Bxf4 9. exf4 Nbd7 10. O-O O-O 11. Ne5 c5 {[#]} 12. Nf3 $146 ({Predecessor:} 12. dxc5 Nxc5 13. f5 Nxd3 14. Qxd3 exf5 15. Rad1 Be6 16. f4 Nd7 17. Kh1 Nxe5 18. fxe5 Qc7 19. Rfe1 Rac8 20. Nxd5 Bxd5 21. Qxd5 {½-½ (49) Bayat,S (2091)-Bowen,P chess.com INT 2020}) 12... b6 13. Re1 Bb7 14. Nb1 c4 15. Be2 Ne4 16. c3 Qc7 17. g3 f6 18. Bf1 Rae8 (18... e5 $11) 19. Nbd2 $14 Nd6 20. Bh3 Ne4 21. Nxe4 dxe4 22. Nd2 f5 23. Qe2 (23. Qa4 $16) 23... Bd5 24. a4 Nf6 25. Bf1 {[%cal Rd2c4]} Rc8 26. Bg2 h6 27. f3 exf3 28. Bxf3 Rce8 29. Qg2 a6 30. Re2 Re7 31. Rae1 {[#] Black must now prevent Bxd5.} Rfe8 32. h3 b5 33. axb5 axb5 34. Re5 {[%cal Rf3d5]} Qb7 (34... b4 $5) 35. Kf2 {Weighted Error Value: White=0.13/Black=0.15} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.15"]
[White "Wille, Thomas"]
[Black "Oh, Julie"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2048"]
[BlackElo "1168"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,140,16,18,12,80,38,144,147,230,218,201,197,29985,29986,29986,29987,29987,495,440,470,472,351,453,454,438,373,530,504,520,525,502,487,494,464,449,467,472,431,456,451,529,531,537,541,536,533,692,685,712,686,668,652,746,746,799,785,825,813,736,699,855,909,1856,1848,1559,1038,1025,1011,950,1268,1201,1208,5879,5928,6015,6035,6015,5928,5928,5808,5995,5979,5700,5816,5109,1967,29981,29982,29982,29983,29982,29975,29984,29980,29979,29981,29979,29982,29985,29986,29986,29987,29987,29988,29988,29989,29989,29990,29992,29989,29989,29990,29990,29991,29991,29992,29992,29993,29994,29994,29994,29995,29996,29997,29997,29998,29998,29999,29999]} 1. e4 c5 2. Nf3 e6 3. c3 Nc6 4. d4 cxd4 5. cxd4 d5 6. e5 Nge7 {now scores much better than the old 6...Bb4+.} 7. Nc3 Nf5 8. a3 {[#] C02: French: Advance Variation.} f6 $146 (8... a6 $11 {keeps the balance.}) ({Predecessor:} 8... Bd7 9. Be2 Be7 10. O-O O-O 11. b4 Rc8 12. Bb2 f6 13. Rc1 Be8 14. Na4 fxe5 {½-½ (14) Savic,M (2511)-Kosic,D (2488) Paracin 2018}) 9. Bb5 fxe5 ({Black should play} 9... Bd7 $14) 10. Nxe5 $16 {White is clearly better.} Bd7 (10... Qb6 $16) 11. Qh5+ $18 g6 12. Nxg6 hxg6 (12... Ng7 $18 13. Qg4 e5 14. Bxc6 bxc6) 13. Qxg6+ ({Weaker is} 13. Qxh8 Ncxd4 14. Bd3 Kf7 $16) 13... Ke7 14. Bg5+ {[%mdl 64] Skewer} Kd6 15. Bxd8 (15. Bf4+ $142 Ne5 16. Bxe5+ Ke7 {[#]} 17. Nxd5+ $1 {[%mdl 512]} exd5 18. Bf6+ {[%mdl 64] Skewer} Kd6 19. Bxd8+ Be6 20. Qf6) 15... Rxd8 16. Bxc6 Bxc6 17. Qg5 Be7 18. Qf4+ Kd7 19. O-O-O Rc8 (19... Rdg8 {was necessary.}) 20. Kb1 Rh4 21. g4 Rf8 22. Rhe1 Bd6 23. Qg5 Be7 24. Qg6 Rh6 25. gxf5 Rxg6 26. fxg6 Rg8 27. Rg1 Bf6 28. Rg4 Ke7 29. h4 Kf8 30. h5 Rh8 31. Rh1 Kg7 32. Ne2 Bd7 33. Rf4 Bb5 34. Ng3 Bd3+ 35. Ka2 Bc4+ 36. b3 Bd3 37. Rc1 Bg5 38. Rf7+ Kh6 39. Rcc7 {White wants to mate with Rh7+!} Bxg6 40. hxg6 Kxg6 41. Rg7+ Kh6 42. Rxb7 Rf8 43. Rh7+ Kg6 44. Rbg7+ Kf6 45. Nh5+ Kf5 46. Rf7+ Rxf7 47. Rxf7+ Kg6 48. Rxa7 Kxh5 {[%mdl 4096] Endgame KR-KB} 49. a4 Bd2 50. a5 {White mates.} Bc3 51. a6 Bxd4 52. Re7 e5 {[#]} 53. Rxe5+ $3 {[%mdl 576] Deflection, Promotion} Bxe5 {KB-K3P} 54. a7 Kg4 55. a8=Q Kf4 56. Qxd5 Kf5 57. b4 Kf6 58. b5 Kf5 59. b6 Kf6 60. b7 Bh2 61. b8=Q {[%mdl 64] Decoy} Bxb8 62. Qd8+ Kf5 63. Qxb8 Ke4 64. f4 Kf5 65. Qe5+ Kg6 66. f5+ Kg5 67. f6+ Kg4 68. f7 Kf3 69. f8=Q+ Kg4 70. Qeg7+ Kh5 71. Qfh8# {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.42/Black=0.84} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.16"]
[White "Stubbs, Oliver"]
[Black "Rathbone-Jones, Ifan"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1905"]
[BlackElo "1941"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,145,65,84,80,86,85,116,102,117,114,153,114,197,168,190,177,181,187,204,197,201,206,223,220,249,234,280,278,310,314,308,306,312,295,347,243,357,324,625,636,659,696,702,704,664,680,914,861,618,225,210,218,213,171,247,236,232,173,243,243,243,244,288,283,283,297,280,264,272,225,243,231,255,256,267,260,269,245,253,237,285,288,267,240,238,240,263,238,222,122,357,335,296,120,179,137,425,399,385,383,791,803,775,725,898,878,5708,5882,5289,4776,29971,29971,29971,29959,29973,29970,29973,29969,29966,29970,29970,29970,29971,29967,29967,29968,29969,29970,29970,29971,29971,29971,29970,29966,29970,29969,29988,29989]} 1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. Nc3 e5 5. e4 {[#]} h6 $146 ({Predecessor:} 5... Bg4 6. Be2 Bxf3 7. Bxf3 a6 8. a4 Nbd7 9. Be3 g6 10. Qd2 h5 11. h3 h4 12. a5 Be7 {1-0 (38) Leiva Rodriguez,J (2391)-Martirosyan,H (2622) Lichess.org INT 2020}) 6. Bb5+ {A43: Schmid Benoni.} Bd7 {Threatening ...Bxb5.} 7. a4 a6 8. Be2 {White is better.} Be7 9. Nd2 Qc7 10. O-O {f4 is the strong threat.} g5 (10... Bc8 $16 11. Nc4 Nbd7) 11. Nc4 Bc8 12. a5 Nbd7 13. Be3 b5 14. axb6 $1 Nxb6 15. Na5 Nh7 16. Bg4 Nf8 17. Bxc8 Qxc8 18. Ne2 Ng6 19. b4 Nd7 20. bxc5 Nxc5 21. Ng3 h5 22. f3 Nh4 (22... Nb7 {was necessary.} 23. Nxb7 Qxb7) 23. Nc6 Bf6 (23... f6 24. Qd2 Ng6) 24. Qd2 $18 Ne6 25. dxe6 {[%mdl 64] [#] Discovered Attack} Qxc6 26. Bxg5 Bxg5 27. Qxg5 {[%mdl 64] Double Attack} Qb6+ 28. Kh1 Qd8 29. Qxd8+ $2 {[#]} (29. Qg7 {[%csl Ge6][%cal Rg7f7]} Rf8 30. Nxh5 fxe6 31. Rfb1) 29... Kxd8 30. exf7 Ke7 31. Rfd1 Rh6 (31... a5 $142 32. Nf1 Rhf8) 32. Ra5 Kxf7 33. Rda1 Rhh8 (33... Rc8 $142 34. R1a2 (34. Rxa6 Rxc2 35. R6a2 Rxa2 $16) 34... Rb8) 34. Rxa6 Rxa6 35. Rxa6 {[%mdl 4096] Endgame KRN-KRN} Rc8 36. Ra2 ({Inferior is} 36. Rxd6 Rxc2 37. Rd7+ Kg6 $14) 36... Kg6 37. Kg1 Kg5 38. Kf2 Ng6 39. Ne2 Rc6 40. g3 Ne7 41. c3 Kf6 42. Ra5 Ng6 43. Ke3 h4 44. Kd3 Rc7 45. Ra6 Ke7 46. f4 hxg3 47. hxg3 Nf8 48. Ra1 Nd7 49. Rh1 (49. f5 $18) 49... Rc6 $2 (49... Ra7 $16 {keeps fighting.} 50. Rh7+ Ke8) 50. Rh7+ Kd8 51. Ke3 (51. f5 $18 {is more deadly.}) 51... Nf6 (51... Rc4 $16 52. fxe5 dxe5) 52. Rf7 d5 $2 {[%mdl 8192]} (52... Ng4+ $16 53. Kf3 Nh2+ 54. Kg2 Ng4) 53. fxe5 Nxe4 54. Kd4 Ng5 $2 (54... Ra6 55. c4 Ng5) 55. Rf6 Rc4+ 56. Kxd5 Re4 57. Nd4 Re3 58. Ne6+ Nxe6 59. Kxe6 Rxg3 {KR-KR} 60. Rf8+ {White mates.} Kc7 61. c4 Rg4 62. c5 Kc6 63. Rc8+ Kb7 64. Rd8 Kc7 65. Rd1 Kc6 66. Kf5 Rg8 67. e6 Rg2 68. e7 Rf2+ 69. Ke6 Re2+ 70. Kf7 Rf2+ 71. Ke8 Ra2 72. Rd6+ Kc7 73. Kf7 {Weighted Error Value: White=0.24/Black=0.60} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.27"]
[Round "4.17"]
[White "Idle, Oscar"]
[Black "Finn, Chris"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "1722"]
[BlackElo "1956"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,111,0,11,-1,38,-25,-28,-27,-12,-39,-31,-31,-18,-29,-56,-65,-81,-102,21,0,6,-55,54,15,96,96,94,82,102,91,129,94,106,118,144,146,379,377,349,281,383,359,349,336,467,414,377,195,200,200,197,189,189,186,247,238,321,323,315,322,321,313,297,295,320,249,310,274,546,540,540,546,530,531,540,539,738,605,581,566,596,577,701,698,751,752,718,712,29987,29985,29989,5708,29987,29977,29987,29988,29988,29989,29989,29990]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 b5 8. a4 {E05: Open Catalan: 5 Nf3 Be7.} b4 9. Qxc4 (9. Ne5 $14 Nd5 10. Nxc4) 9... Ba6 $11 10. Qc2 {Black has an edge.} Nbd7 11. Ne5 Nxe5 12. Bxa8 Qxd4 13. Bg2 c5 14. Rd1 Qg4 15. f3 {[#]} Qc4 $146 (15... Qh5 $1 $17 16. g4 Qh4) ({Predecessor:} 15... Qh5 16. g4 Nfxg4 17. fxg4 Qxg4 18. Qe4 Bxe2 19. Qxg4 Bxg4 20. Rf1 Be2 21. Re1 Nd3 22. Rxe2 Nxc1 {1-0 (123) Lu,M (1976)-Cvitan,E (2276) Belgrade 2020}) 16. Qxc4 Bxc4 17. f4 (17. Nd2 $11 Ba6 18. f4) 17... Ng6 (17... Bxe2 $15 18. fxe5 Bxd1 19. exf6 Bxf6) 18. e4 Bb3 {[#]} (18... Rc8 $11) 19. Re1 $1 $16 Rd8 20. Nd2 Bc2 21. e5 $36 {[%mdl 2048] Keeping Black busy.} Ng4 22. Nc4 Bd3 23. Ne3 Nxe3 24. Bxe3 c4 $2 {Loses the game.} (24... Bc2 $16 25. Bf1 b3) 25. Bxa7 $18 c3 26. b3 f6 27. Bb6 Rc8 28. a5 c2 29. Bb7 Rb8 30. a6 (30. Be4 $142 Bxe4 31. Rxe4) 30... Bxa6 31. Bxa6 ({Don't take} 31. Rxa6 $6 Rxb7 32. exf6 Bxf6 $16) 31... Rxb6 32. Bd3 fxe5 33. fxe5 Bc5+ (33... Rc6 {was called for.}) 34. Kg2 Rb8 35. Bxg6 ({Resist} 35. Bxc2 Bd4) 35... hxg6 {[%mdl 4096] Endgame KRR-KRB} 36. Rac1 Bd4 37. Rxc2 Bc3 38. Re4 Ra8 39. Rc4 Ra5 40. Rc8+ Kf7 $2 (40... Kh7 {was worth a try.} 41. Re2 Bxe5) 41. Rf2+ Ke7 42. Rc7+ Ke8 43. Rxg7 Bxe5 44. Rxg6 Ke7 45. h4 Ra3 46. Re2 Bf6 47. Re3 Ra6 48. h5 Bc3 49. h6 Kf7 50. Rg4 e5 51. Rf3+ Ke7 52. h7 (52. Rg7+ $142 Ke8 53. h7 Rh6 {[#]} 54. Rf6 $3 {[%mdl 512]} e4 55. Rg8+ Kd7 56. Rxh6 Be5 57. h8=Q) 52... Rh6 53. Rh4 {White mates.} Rxh4 54. gxh4 e4 {[#]} 55. Rxc3 $1 {[%mdl 64] Remove Defender, Promotion} bxc3 56. h8=Q {Weighted Error Value: White=0.20/Black=0.46} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.1"]
[White "Finn, Peter"]
[Black "Adams, Michael"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1959"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,66,33,25,45,44,37,27,44,27,39,0,0,0,0,0,0,-26,-28,-28,-25,-24,-21,-28,-14,-23,-23,-42,-36,-40,-19,-23,-20,-54,-41,-96,-86,-296,-298,-291,-280,-431,-434,-442,-422,-574,-543,-1831,-1746]} 1. e4 e5 2. Bc4 Nc6 3. Nf3 Bc5 4. c3 Nf6 5. d3 d6 6. O-O a6 7. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} O-O 8. h3 Ba7 9. Bb3 Ne7 10. Re1 Ng6 11. Nf1 Re8 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 12. Ng3 Be6 13. d4 c6 {[#] White has an edge.} 14. dxe5 $146 (14. Be3 {is interesting.} Bb6 15. Bxe6 Rxe6 16. Qb3 exd4 17. Nxd4 Bxd4 18. Bxd4 Qc7 19. Bb6) ({Predecessor:} 14. Bc2 h6 15. Be3 Qc7 16. Qd2 Rad8 17. Rad1 b5 18. Qc1 a5 19. a3 Bb6 20. Nf5 {1-0 (46) Yudin,S (2539)-Dubov,D (2648) St Petersburg 2016}) 14... dxe5 15. Be3 Bxe3 16. Rxe3 Qc7 17. Bxe6 Rxe6 18. Rd3 Nf4 19. Rd2 c5 20. c4 Ree8 21. Qc2 Ne6 22. Rad1 Nd4 23. Qb1 g6 24. Ne1 Qc6 25. f3 b5 26. Nf1 Nh5 27. cxb5 ({Better is} 27. Ne3 $15) 27... axb5 $17 28. b4 $2 {[#] This costs White the game.} (28. Nd3 $17) 28... Nf4 $19 29. Kh2 c4 30. Nc2 (30. Rf2 {keeps fighting.}) 30... c3 {Black is clearly winning.} 31. Rf2 Qb6 32. Nxd4 exd4 33. g3 {[#]} d3 $1 {Weighted Error Value: White=0.68/Black=0.03} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.2"]
[White "Turner, Matthew J"]
[Black "Claridge-Hansen, William"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2509"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,73,0,0,-16,12,12,9,0,0,0,0,0,0,-8,4,0,-4,-39,13,9,12,10,36,27,47,37,36,33,37,19,23,22,24,23,38,33,85,66,81,84,86,101,194,160,216,219,772,635,763,780,772,772,772,757,29984,29985,29985,29986,29986,29987]} 1. Nf3 c5 2. g3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bg2 Bg7 6. Nxc6 bxc6 7. O-O Rb8 8. Nd2 Nf6 9. Nb3 {A04: Unusual lines after 1 Nf3 and King's Indian Attack.} Qc7 10. Bd2 O-O 11. Ba5 {The position is equal.} Qe5 12. Bc3 Qc7 13. e4 d6 14. Re1 Nd7 15. Bxg7 Kxg7 {[#]} 16. Nd2 $146 ({Predecessor:} 16. Qd2 c5 17. Na5 Kg8 18. Qc3 Ba6 19. a3 Rfc8 20. b3 Ne5 21. f4 Nc6 22. Nxc6 Qxc6 {½-½ (39) Thejkumar,M (2323)-Narayanan,S (2267) Dindigul 2007}) 16... c5 ({Stronger than} 16... Rxb2 17. Nb3 $16) (16... h5 $15) 17. b3 $11 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 18. Nc4 Ba6 19. Ne3 Bb7 20. Qd2 a4 21. Qc3+ Kg8 22. Ng4 {[%cal Rg4h6]} h5 23. Ne3 Nf6 24. Nc4 axb3 25. axb3 {[%cal Ba2b3,Bb3b4][%mdl 32]} Ra8 (25... Nxe4 $14 26. Rxe4 (26. Bxe4 Bxe4 27. Rxe4 d5 $14) 26... d5) 26. Rxa8 Rxa8 {[#]} 27. Nxd6 $1 {[%mdl 64] Deflection} exd6 28. Qxf6 c4 (28... Re8 $16) 29. b4 $18 c3 (29... Qd7 $16 30. Qd4 Qe6) 30. h4 Ra2 $2 (30... Qb6 31. Qxc3 Rc8) 31. e5 Bxg2 32. exd6 {Threatening mate with Re8+.} Qc6 33. b5 $1 {[%cal Rb5c6][%mdl 64] Deflection} Qxb5 34. Kxg2 Rxc2 35. Re7 {White mates.} Qd5+ 36. Kh2 Rxf2+ 37. Qxf2 {Weighted Error Value: White=0.04/Black=0.50} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.3"]
[White "Ghasi, Ameet K"]
[Black "Ismail, Mohammed Aayan"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2485"]
[BlackElo "1719"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,156,-10,8,0,0,-10,8,8,14,-9,-10,-20,-14,-14,0,0,14,15,27,40,43,38,69,71,72,74,75,58,94,87,141,21,336,221,188,202,187,190,175,188,183,118,129,27,96,37,45,9,17,-23,-27,-21,-21,-85,-81,-91,-100,-116,-91,-116,-75,-136,0,-140,-97,-127,-141,-155,-127,-109,-138,-291,-60,-144,-136,-138,-95,-108,-89,-91,-83,-868,-758,-758,-747,-733,-718,-817,229,213,183,199,187,170,149,0,29988,0,0,0,0,0,0,0,29973,29966,29984,29985,29984,29964,29995,29995,29995,29977,29977,29975,29975,29976,29976,29977,29977,29977,29978,29973,29975,29974,29965,0,29973,29976,29978,29980,29981,29982,29995,29996,29996,29997,29997,29998,29998,29999,29999]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Re1 Nc6 8. c3 Qc7 9. h3 {A05: Réti Opening: 1 Nf3 Nf6.} Bd7 10. a4 Rab8 11. Na3 {The position is equal.} a6 {[#]} 12. Nc4 $146 ({Predecessor:} 12. d4 b5 13. axb5 axb5 14. Qe2 b4 15. Nc4 Ra8 16. Bf4 Nh5 17. Be3 cxd4 18. cxd4 {1-0 (58) Noireaut,H (1960)-Bras,P (1490) Asnieres 2018}) 12... b5 13. axb5 axb5 14. Ne3 b4 15. d4 cxd4 (15... Nxe4 $6 16. Nd5 $16) 16. cxd4 Qc8 (16... Nxe4 $6 17. Nd5 $16) 17. e5 dxe5 18. dxe5 Ne8 19. Nd5 Nc7 20. Nxc7 Qxc7 21. Bf4 $1 e6 22. Rc1 Rfd8 23. Nd4 (23. Nd2 $16) 23... Rb6 $2 {[%mdl 8192]} (23... Qb6 $11 24. Nb3 (24. Bxc6 Bxc6 25. Rxc6 Qxd4 $11) 24... Be8) 24. Qc2 {[%cal Rg2c6]} Rc8 25. Red1 $1 Bxe5 26. Bxe5 Qxe5 27. Nf3 Qc7 28. Qc5 ({White should try} 28. Ng5 $18) 28... Ra6 $16 29. Ng5 (29. Qc4 $1 $16 {[%cal Rc4a6]} Rb6 30. Ng5) 29... Kg7 (29... Ra5 $11 30. Qe3 Kg7) 30. Ne4 (30. Qc4 $16 Ra7 31. Bxc6 (31. Qh4 h6 $16) 31... Bxc6 32. Qh4) 30... Ra5 $14 31. Qe3 {Strongly threatening Nd6.} (31. Qc4 $5 {[%cal Re4d6]} Rd5 32. Rxd5 exd5 33. Qxd5 $14) 31... Rd5 32. Nc5 Rxd1+ 33. Rxd1 Be8 34. Re1 (34. Rc1 $11) 34... Qd6 $17 35. Ne4 Qd4 36. Qf4 Rd8 ({Weaker is} 36... Qxb2 37. Nd6 $16) 37. Qc7 Qd7 ({Much worse is} 37... Qxb2 $6 38. Nd6 $11) 38. Qf4 (38. Qxd7 $142 Rxd7 39. Nf6 Kxf6 40. Bxc6) 38... Qd4 (38... Qe7 $1 $17 39. Nd2 Nd4) 39. h4 (39. Qc7 $1 $11 {remains equal.}) 39... Qxb2 40. h5 {next h6+ is good for White.} Qe5 (40... gxh5 $2 41. Qg5+ Kf8 42. Nf6 $18) 41. h6+ Kh8 42. Qc1 {intending Ng5.} Nd4 43. Re3 $2 (43. Qc4 $17 Qa5 44. Rb1) 43... Qa5 $2 (43... Bc6 $19 {Hoping for ...b3.} 44. Qc4 Qb5) 44. Qb2 ({Better is} 44. Re1 $1 $15 b3 45. Kh2) 44... e5 45. Nf6 b3 46. Kh2 Qa2 47. Qc3 Qxf2 48. Qc5 $2 {[%mdl 8192] [#]} Nf3+ $1 {[%mdl 512]} 49. Kh3 Ng1+ {[%mdl 64] Discovered Attack} ({But not} 49... Bc6 $2 50. Bxf3 Qf1+ 51. Kh4 $18) 50. Kh2 {[#]} Bc6 $1 {[%csl Gc6][%cal Rf2g2][%mdl 576] Pin} 51. Ne4 {[#]} (51. Qxc6 Qxe3) 51... Bxe4 $4 {[%mdl 8192]} (51... Nf3+ $1 $19 {[%mdl 512]} 52. Rxf3 Qxc5 53. Nxc5 Bxf3 54. Nxb3 Bxg2 55. Kxg2 Rc8) 52. Qxe5+ $40 {[%mdl 128] White is out for blood.} f6 {[%csl Ge4][%cal Rf2g2]} 53. Qxe4 {Threatening mate with Qe8+!} Rg8 {Threatens to win with ...b2.} 54. Rxb3 Ne2 {[#]} 55. Qe7 ({White has to play} 55. Re3 $1 $16 {[%cal Re3e2]} Nxg3 56. Rxg3) 55... Qg1+ $11 56. Kh3 Qf2 {And now ...g5 would win.} 57. Kh2 {Black must now prevent Rf3!} Qg1+ 58. Kh3 Qf2 {...g5 is the strong threat.} 59. Re3 Ng1+ {[%mdl 8192]} (59... Qf5+ $11 60. Kh2 Nd4) 60. Kh2 Qb2 61. Kxg1 Qd4 62. Kh2 f5 {[#]} 63. Qf7 $1 {[%mdl 512]} f4 64. gxf4 g5 65. Re4 Qd6 66. Re6 Qxf4+ 67. Qxf4 gxf4 {[%mdl 4096] Endgame KRB-KR} 68. Be4 Rg5 69. Re8+ Rg8 70. Re7 {[%csl Ge4][%cal Re7h7]} Rg5 71. Re8+ Rg8 {[#]} 72. Re5 $1 {White mates.} Rg4 73. Kh3 Rg3+ 74. Kh4 Rg1 75. Bd5 Rg8 76. Bxg8 Kxg8 77. Rf5 f3 78. Rxf3 Kh8 79. Rf8# {A wild game.  Weighted Error Value: White=0.44/Black=0.56} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.4"]
[White "Cox, Tristan A"]
[Black "O`Gorman, Tom"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2141"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,49,34,29,38,28,30,23,29,30,18,41,63,9,6,-31,-31,-6,0,-49,-63,-111,-12,-3,-28,-64,-58,-47,0,-119,408,273,1147,994,29994,29995]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 axb5 6. Bxb5 Qa5+ 7. Nc3 Bb7 8. Bd2 Qb6 9. Nf3 $1 {[%mdl 4] And now Qb3 would win. is currently scoring better than 9.Qb3.} Nxd5 {A57: Benko/Volga Gambit.} 10. a4 e6 11. O-O Be7 {White has an edge.} 12. e4 Nxc3 13. Bxc3 {[#]} f6 $146 ({Predecessor:} 13... O-O 14. Ne5 d5 15. exd5 exd5 16. Re1 d4 17. Bd2 Ba6 18. Qb3 Ra7 19. Nc4 Qf6 20. Re5 Bxb5 21. Qxb5 Nd7 22. Bg5 {1-0 (22) Markus,R (2644)-Djukic,N (2519) Heraklion 2017}) 14. Nh4 (14. Nd2 $14) 14... O-O $11 15. Qg4 Ba6 16. Bxa6 Qxa6 17. f4 Nc6 18. Rf3 Qc4 ({Better is} 18... Nd4 $17 19. Bxd4 cxd4) 19. Re1 $1 $40 {[%mdl 128] White has some attack.} ({Much weaker is} 19. Rg3 Rf7 $17) 19... Nd4 20. Rg3 {[%csl Gg3][%cal Rg4g7]} Rf7 21. f5 Rxa4 22. Qh5 (22. Ng6 $11 {remains equal.} Bd6 23. Rh3) 22... Qa6 $2 {[%mdl 8192]} (22... Bd6 $17 {keeps the pressure on.} 23. Rh3 Bf4) 23. Bxd4 cxd4 $2 {[#]} (23... Ra1 24. Bc3 c4) 24. Ng6 $1 $18 {[%mdl 512] White wants to mate with Qxh7+!} h6 {[#]} (24... exf5 25. exf5) 25. Nh8 $1 {[%mdl 576] Discovered Attack.  Weighted Error Value: White=0.32/Black=0.79} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.5"]
[White "Volovich, Julia"]
[Black "Fernandez, Daniel Howard"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1674"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,58,26,30,23,5,12,-26,-16,-23,10,-27,-40,-43,-50,-42,-37,-51,-56,-65,-58,-46,-41,-24,0,0,9,7,0,-70,-41,-109,-62,-49,-45,-53,-42,-56,-60,-56,-54,-86,0,0,0,0,13,0,0,-319,-316]} 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 a6 5. a4 Bf5 6. Qb3 Ra7 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} 7. c5 Nbd7 {[#]} 8. Nh4 $146 ({Predecessor:} 8. Bf4 a5 9. e3 e6 10. Nh4 Bg6 11. Nxg6 hxg6 12. h3 Be7 13. Bd3 O-O 14. O-O {1-0 (37) Khenkin,I (2603)-Meins,G (2441) Bad Wiessee 2005}) 8... Bg6 {Black has an edge.} 9. f4 e6 10. Nxg6 (10. a5 {with more complications.} Be4 11. e3 Ng4 12. Nxe4 dxe4 13. g3) 10... hxg6 11. g3 b6 12. cxb6 Qxb6 13. Qxb6 Nxb6 14. a5 Nc8 {[%cal Bb6c8,Bc8d6,Bd6f5][%mdl 32]} 15. e3 Nd6 16. Bd3 Nf5 {[#] aiming for ...Nxg3!} 17. Kf2 c5 18. dxc5 Bxc5 19. Na4 (19. Kf3 $11) 19... Bb4 $36 {[%mdl 2048] Black has some pressure.} 20. Nb6 (20. Nc3 $15) 20... Ng4+ 21. Kf3 Rxh2 ({Don't go for} 21... Nxh2+ $2 22. Kg2 $18) 22. Rxh2 Nxh2+ 23. Kg2 Ng4 24. Kf3 Nf6 25. Ra4 Bd6 (25... Be1 $17 26. g4 Nd6) 26. Bd2 $11 Bc7 27. Bc3 Nd6 28. Bd4 {[#] Nxd5! is the strong threat.} Nb5 29. Nxd5 $2 {[%mdl 8192]} Nxd4+ {Weighted Error Value: White=0.39/Black=0.10} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.6"]
[White "Tanmay Chopra"]
[Black "Wadsworth, Matthew J"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2273"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,104,16,45,15,16,16,22,19,26,16,16,16,16,16,12,12,19,23,19,0,0,9,10,0,0,0,10,0,15,0,0,-8,0,0,0,0,0,-1,0,0,0,0,0,0,0,0,0,-28,-30,-38,-30,-60,-61,-51,-26,-127,-115,-115,-77,-111,-86,-104,-97,-135,-133,-114,-112,-167,-168,-180,-164,-224,-217,-227,-227,-228,-221,-372,-360,-501,-326,-284,-137,-132,-137,-615,-589,-595,-579,-29980,-29981,-29990,-1217,-29991,-29992,-29993,-29994]} 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.} Nxd4 7. Qxd4 {Nb5 is the strong threat.} a6 8. Be3 {The position is equal.} b5 9. a4 {9.Be2 is the modern continuation.} b4 10. Na2 Rb8 11. Qa7 Qxa7 12. Bxa7 Ra8 13. Bd4 Bb7 {[#]} 14. Bd3 $146 ({Predecessor:} 14. f3 Nf6 15. Nc1 Rc8 16. Kd2 d5 17. e5 Nd7 18. Nb3 Bc5 19. Nxc5 Nxc5 20. a5 {1-0 (42) Sorensen,J (2406)-Jaksland,T (2214) Denmark 2019}) 14... Nf6 15. f3 d5 {[%cal Rd5e4]} 16. e5 Nd7 17. O-O Be7 18. f4 g6 19. a5 O-O 20. Rfe1 Rfc8 21. Re2 Bc6 22. Kf2 Rcb8 23. Nc1 Nc5 (23... Bb5 {is interesting.} 24. Nb3 Rb7 25. g4 Rc8 26. Kf3 Bc4) 24. Bxc5 Bxc5+ 25. Kf3 Bd4 26. Ra2 Bb5 27. Nb3 Ba7 28. Bxb5 Rxb5 29. g4 Rc8 30. h4 Rc4 31. Ra1 Rb8 32. Rd1 (32. Nc1 $11 {keeps the balance.}) 32... Rbc8 $17 33. Rdd2 Kg7 34. g5 h5 35. gxh6+ Kxh6 36. Nc1 b3 37. Nxb3 Rb4 38. Nc1 (38. Rg2 $17 {was called for.}) 38... Rxb2 $19 39. Nd3 Rb1 40. Rh2 (40. Re1 {keeps fighting.} Rxe1 41. Nxe1) 40... Rf1+ 41. Kg4 Rc4 42. Rde2 Re4 43. Rxe4 $2 {[#]} (43. Rhg2) 43... dxe4 {[%mdl 4096] Endgame KRB-KRN} 44. Nb4 Be3 45. Re2 Rxf4+ (45... Rf3 $19 {White must now prevent ...Bf2.} 46. Nd3 exd3 47. cxd3 Rxf4+ 48. Kg3 Bc1) 46. Kg3 $17 Rf3+ 47. Kg2 $2 {[%mdl 8192] [#] This move loses the game for White.} (47. Kg4 $17) 47... Kh5 $19 48. Nxa6 Kg4 49. Nc7 Rg3+ 50. Kh2 Bg1+ 51. Kh1 Kf3 52. Rh2 Be3 {[%csl Ge3][%cal Rg3g1] Weighted Error Value: White=0.41/Black=0.09} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.7"]
[White "Lalic, Bogdan"]
[Black "Toma, Katarzyna"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2402"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,81,10,0,87,81,88,91,75,85,101,101,113,109,118,112,110,100,147,156,152,137,145,122,161,143,164,131,147,135,177,177,173,108,176,167,160,171,168,164,170,168,170,170,166,166,170,172,169,171,173,175,158,158,159,149,148,151,206,212,237,189,330,337,400,390,417,416,534,508,603,593,613,571]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qa4+ Nc6 6. Ne5 Nb6 {A16: English Opening: 1...Nf6 with ...d5.} (6... Qd6 $11 {remains equal.} 7. Nxc6 Qxc6) 7. Nxc6 $16 bxc6 8. Qxc6+ Bd7 {White is better.} 9. Qc5 Bg7 10. g3 O-O 11. Bg2 Rb8 12. O-O {[#]} Bg4 $146 ({Predecessor:} 12... Be6 13. d3 Qd7 14. Qc6 Qxc6 15. Bxc6 Nd7 16. Rd1 Rfd8 17. d4 Nb6 18. e3 Nc4 {1-0 (32) Rubinetti,J (2455)-Paz,V (2240) Mar del Plata 1994}) 13. d3 Bd4 14. Qa5 Qd7 15. Bh6 Rfd8 16. Rac1 (16. Qxa7 $6 Nc4 $16) 16... Nc8 17. Rc2 Nd6 18. Bc1 h5 19. Nd5 c5 20. b3 h4 21. Qc7 ({White should try} 21. Bg5 $18 {Threatens to win with e3.} f6 {[#]} 22. e3 $1 (22. Bxh4 Nf5 $18)) 21... hxg3 (21... Qxc7 $16 {keeps fighting.} 22. Nxc7 h3) 22. hxg3 $18 Qxc7 23. Nxc7 Rd7 24. Nd5 Nb5 25. e3 Bg7 26. Rxc5 Be2 27. Re1 Bxd3 28. Rd1 Bf5 29. e4 $36 {[%mdl 2048] Black is under strong pressure.} Bg4 30. f3 Be6 {...Bd4+ would now be nice for Black.} 31. Be3 Bxd5 32. Rcxd5 (32. exd5 $6 Nc3 $16) 32... Rxd5 33. Rxd5 Nc3 (33... e6 $16 34. Rd2 a5) 34. Ra5 (34. Bxa7 Ra8 $17) 34... Nd1 35. Bc5 Rc8 (35... Bc3 $142 36. Ra6 (36. Rxa7 Rb5 $16) (36. Bxa7 Ra8 $11) 36... e6) 36. b4 ({Don't play} 36. Bxa7 $6 Rc7 $18) ({Less strong is} 36. Bxe7 Bd4+ 37. Kh2 Bb6 $16) 36... Rd8 37. Rxa7 Nc3 38. Bf1 Rd2 39. Rxe7 {White is clearly winning.} Rxa2 40. Bc4 {[%mdl 64] [#] Double Attack} Ra1+ 41. Kg2 {Weighted Error Value: White=0.07/Black=0.31} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.8"]
[White "Grieve, Harry"]
[Black "Villiers, Thomas"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2351"]
[BlackElo "2161"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,73,29,26,57,24,92,85,95,97,93,97,87,74,129,117,135,119,123,107,141,75,72,0,0,17,0,0,0,-1,0,0,0,0,52,54,215,222,1008,998,1602,1531,1514,1493,1459,1417,29977,29978,29990,29983,29983,29983,29983,29984,29984,29985,29989,29990,29991,29992,29992,29990,29992,29991,29992,29993]} 1. d4 e6 2. Nf3 Be7 3. e4 d5 4. e5 c5 5. c3 Nc6 6. Bd3 Qb6 {[%cal Rc5d4] C02: French: Advance Variation.} 7. O-O Bd7 (7... cxd4 $11 {keeps the balance.} 8. cxd4 Bd7) 8. dxc5 $16 Bxc5 {White is better.} 9. b4 Bf8 10. Re1 Nge7 {[#]} 11. a4 $146 ({Predecessor:} 11. a3 Ng6 12. h4 Qc7 13. Qe2 Be7 14. h5 Nh4 15. Nxh4 Bxh4 16. g3 Be7 17. Bf4 {1-0 (50) Weigand,B (2285)-Haecker,J (2166) Wuerttemberg 2003}) 11... g6 ({Black should try} 11... Qc7) 12. a5 Qc7 13. a6 bxa6 14. Rxa6 Bg7 15. Bf4 (15. b5 $142 Nxe5 16. Nxe5 Bxe5 17. b6 Bxh2+ 18. Kh1) 15... O-O 16. Nbd2 ({White should play} 16. h4 $16) 16... d4 $1 $11 17. Nxd4 Nxd4 18. cxd4 Nd5 19. Bg5 Nxb4 20. Ra3 $36 {[%mdl 2048] White is pushing.} Nxd3 21. Rxd3 Rfc8 (21... h6 $11 22. Be7 Rfc8) 22. Ne4 $1 $14 Qc2 $2 {[#] Loses the game.} (22... Qa5 $14) 23. Qf3 $1 $18 {Black must now prevent Nf6+.} Bc6 $2 (23... Rab8 24. Nd6 {[%mdl 64] Double Attack} Rf8) 24. Nf6+ Kf8 25. Nxh7+ Ke8 26. Nf6+ {[%cal Bh7f6,Bf6e4,Be4d6][%mdl 32]} Kf8 27. Qh3 Rab8 {[#]} 28. Qh7 $1 {[%mdl 512] White mates.} Ba4 (28... Ke7 29. Qxg7) 29. Qg8+ Ke7 30. Ne4+ Kd7 31. Qxf7+ {[%mdl 64] Double Attack} Kc6 32. Rc3+ {[%mdl 64] Double Attack} Kd5 33. Rxc2 Bxc2 34. Qd7+ Kc4 35. Nd6+ Kd3 36. Nxc8 Rb1 37. Rxb1 {Weighted Error Value: White=0.10/Black=0.49} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.9"]
[White "Blackburn, Jonathan L B"]
[Black "Toczek, Grzegorz"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "2235"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,61,36,35,8,100,104,168,166,155,155,203,208,243,160,259,268,255,214,221,225,291,216,289,282,271,276,259,257,450,388,533,-29964,-5818,-29993,-29994,-29994,-29995,-29995,-29996,-29997,-29998,-29999]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. h3 Bg7 8. Nf3 O-O 9. Bd3 b5 10. Nxb5 Re8 11. O-O Nxe4 12. Qa4 {[#] A70: Modern Benoni: 6 e4 g6 7 Nf3.} c4 $146 (12... Bd7 $11 {remains equal.}) ({Predecessor:} 12... Bd7 13. Re1 Qb6 14. Rxe4 Rxe4 15. Qxe4 Bxb5 16. a4 Bd7 17. a5 Qd8 18. Bg5 f6 19. Bf4 Bf8 {1-0 (38) Jojua,D (2590)-Brankovic,D (2374) Ruma 2017}) 13. Qxc4 $16 Nc5 (13... Ba6 $16) 14. Bg5 $18 {White is clearly better.} f6 15. Be3 Nxd3 16. Qxd3 Ba6 17. Qb3 Rxe3 (17... Bxb5 $16 {was called for.} 18. Qxb5 Nd7) 18. fxe3 Nd7 {[%cal Bb8d7,Bd7c5,Bc5d3,Bd3f2][%mdl 32]} 19. Nfd4 ({Inferior is} 19. Nxd6 Nc5 $11) 19... Nc5 20. Qc4 Qe8 21. Rfe1 Qe4 22. b4 Bxb5 23. Qxb5 Nd3 {intending ...f5.} 24. Ne6 {[#] Qb7! is the strong threat.} ({Don't do} 24. Qb7 $6 Re8 $16) 24... Bh6 $2 (24... Nxe1 25. Rxe1 Bh6) 25. Qc6 Bxe3+ 26. Kh2 $4 {[%mdl 8192]} (26. Kh1 $18 Nf2+ 27. Kh2 Qe5+ 28. g3) 26... Qe5+ 27. g3 Qb2+ {[%mdl 64] [#] Double Attack. Black mates.} 28. Kh1 Nf2+ {[%mdl 64] Double Attack} 29. Kg2 Ng4+ 30. Kf3 Qf2+ 31. Ke4 Qf5# {Weighted Error Value: White=0.69/Black=0.43} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.10"]
[White "Evans, Harry G"]
[Black "Goss, Alex"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2055"]
[BlackElo "1833"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,77,-2,0,0,99,108,116,133,129,126,207,198,209,209,202,206,215,189,216,149,162,89,94,100,87,90,80,83,127,117,269,268,238,245,253,251,242,241,500,472,686,680,807,774,1101,1024,1248,1154,1118,700,1124,696,657,663,603,547,531,511,3239,2883,29989,29970,29979,29980,29983,29981,6520,4827,4827,4818]} 1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nd2 Bf5 6. Ngf3 {D00: 1 d4 d5: Unusual lines.} h6 (6... Qb6 $11) 7. dxc5 $16 e6 {[#]} 8. b4 {[#] White is better.} Ne4 $146 ({Predecessor:} 8... a6 9. Nd4 Bg6 10. Qa4 Qc8 11. N2b3 Nd7 12. Nxc6 b5 13. Bxb5 Qb7 14. Be2 {1-0 (14) Juknis,P (2219)-Kraujunas,V (1765) Vilnius 2019}) 9. Nxe4 dxe4 (9... Bxe4 $16 {was called for.} 10. Nd4 a6) 10. Qxd8+ $18 Rxd8 11. Nd4 g5 {And now ...Nxd4 would win.} 12. Nxc6 bxc6 13. Be5 Rg8 14. Ba6 Rd5 15. Bd4 (15. Bg3 $18) 15... e5 $16 {[#]} 16. c4 $1 Rxd4 17. exd4 exd4 18. O-O-O Bg7 19. Rhe1 Bg6 $2 {Black cannot hold the game after this.} (19... Kd8 $16) 20. Bb7 $18 Kd7 {aiming for ...Rb8.} 21. b5 cxb5 22. cxb5 f5 {[#]} 23. g4 $1 Be5 $2 (23... Rf8 24. a4 Bh7) 24. gxf5 Bh5 (24... Bxf5 $142 25. Bxe4 Rf8 26. Bc6+ {[%mdl 64] Discovered Attack} Ke6 27. Rxd4 Kf6) 25. Rxe4 Bxd1 26. Rxe5 {[%mdl 4096] Endgame KRB-KRB} Bg4 27. f3 Bh3 28. f6 {Threatening mate with Re7+.} Rf8 29. Re7+ Kd8 30. Rg7 Rxf6 31. c6 Ke8 32. c7 Kf8 33. Rh7 Rb6 (33... Kg8 $142) 34. Bc6 {Bd7 would kill now.} a6 35. a4 {[%cal Ba2a4,Ba4b5][%mdl 32]} axb5 36. axb5 Kg8 37. Re7 Kf8 38. Re8+ Kf7 39. Rb8 {Weighted Error Value: White=0.24/Black=0.85} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.11"]
[White "Arora, Tashika"]
[Black "Stubbs, Oliver"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "1744"]
[BlackElo "1905"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,93,32,37,33,43,35,50,51,40,43,40,35,75,54,90,27,108,37,95,103,104,104,89,33,34,10,56,0,0,0,-28,-104,-107,-91,-104,-111,-112,-172,-97,-202,-199,-190,-153,-552,-135,-552,-552,-600,-600,-896,-895,-863,-847,-989,-975,-975,-933,-29984,-29985,-29985,-29986,-29996,-29993,-29993,-29994,-29994,-29995,-29995,-29996,-29996,-29997,-29998,-29995,-29995,-29996,-29996,-29997,-29997,-29997,-29998,-29999,-29999]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 e5 7. d5 Na6 8. g4 {E71: King's Indian: 4 e4 d6 5 h3.} Nc5 9. f3 a5 10. Qd2 {White is slightly better.} c6 11. Nge2 cxd5 12. cxd5 a4 13. Ng3 Qa5 {[#]} 14. g5 $146 (14. Nb5 $16) ({Predecessor:} 14. Nb5 Qd8 15. Rc1 b6 16. Be2 Ne8 17. h4 f5 18. gxf5 gxf5 19. exf5 Bxf5 20. Nc3 {½-½ (61) Sivuk,V (2546)-Shomoev,A (2559) Astana 2019}) 14... Nfd7 (14... Ne8 $1 $11 {remains equal.}) 15. h4 (15. Nb5 $16) 15... a3 (15... f5 $14) 16. b3 $16 f5 17. gxf6 $1 Nxf6 18. Rc1 ({White should try} 18. Nb5 $16 Qxd2+ 19. Bxd2) 18... Bd7 $14 19. Rb1 {[#] And now b4 would win.} Qb4 {aiming for ...Nh5.} 20. Nb5 Qxd2+ $11 21. Kxd2 Ne8 22. Nxd6 Nxd6 $17 23. Bxc5 Rxf3 {White must now prevent ...Bf8.} 24. Bxd6 {Hoping for Ne2.} Rxg3 25. Be2 (25. Be7 $17 {is a better defense.}) 25... Rc8 (25... Bh6+ $19 26. Kd1 Bf4) 26. Bb4 (26. Be7 $17 {was called for.}) 26... Bh6+ $19 27. Kd1 Bg4 28. Bxa3 $2 (28. Bxg4 $17 Rxg4 29. Re1) 28... Rd3+ $40 {[%mdl 128] White is in trouble.} (28... Bxe2+ $2 29. Kxe2 Rc2+ 30. Kd1 $19) 29. Ke1 {Loses the game.} Re3 {[%csl LRe2,LRe4]} 30. Rh2 Rc2 31. Rb2 Rc1+ 32. Kf2 {[#]} Bxe2 $1 33. Rd2 Rf1+ 34. Kg2 Bf4 {[%csl Gf4][%cal Re3g3]} 35. Rh3 Rxh3 {[%csl Gf4][%cal Rh3h2][%mdl 64] Discovered Attack. Black mates.} 36. Rxe2 Rff3 37. d6 Rfg3+ 38. Kf1 Rh1+ 39. Kf2 Rh2+ 40. Kf1 Rf3+ 41. Kg1 Rxe2 42. d7 Rd3 {[%cal Rd3d1]} 43. Kf1 Rxa2 {[%cal Rd3d1]} 44. Bb4 Rxd7 45. Bc3 Rd1+ 46. Be1 Bg3 {[%csl Gg3][%cal Rd1e1]} 47. h5 Rxe1# {Weighted Error Value: White=0.81/Black=0.16} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.12"]
[White "Hebden, Mark L"]
[Black "Gurner, Jem"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2453"]
[BlackElo "1800"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,67,48,35,47,31,30,23,77,63,89,66,174,167,255,149,143,144,135,120,133,89,125,68,285,274,279,283,267,281,264,274,302,304,347,329,554,530,722,730,1331,1248,1154,1140,1168,925,1135,1074,1072,872,844,837,1187,1144,1179,1153,1081,1019,1236,1181]} 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 O-O 6. e5 Ne8 {B06: Modern Defence.} 7. c3 {[#]} d5 $146 ({Predecessor:} 7... Bg4 8. Nbd2 c5 9. h3 Bxf3 10. Nxf3 Nc6 11. O-O cxd4 12. cxd4 Nc7 13. Rd1 Qd7 14. Be3 {1-0 (62) Ju,W (2595)-Radovanovic,M (2500) Changsha 2019}) 8. Bd3 Bg4 (8... c5 $11 {keeps the balance.}) 9. Nbd2 $16 {[%cal Bb1d2,Bd2f3,Bf3e5][%mdl 32]} e6 10. h3 Bxf3 (10... Bf5 $14) 11. Nxf3 $18 Nd7 {[#]} (11... c5 $142 12. Bg5 (12. dxc5 Nd7 $16) 12... Qc7) 12. Bg5 (12. h4 $1 $18) 12... f6 $16 13. exf6 Nexf6 14. O-O Qe7 15. Ne5 c5 16. Rfe1 (16. Nxd7 $16 Qxd7 17. dxc5) 16... Rae8 {This move loses the game for Black.} (16... Qd6 $14) 17. Bb5 $18 {Black must now prevent Nxd7.} Qd6 18. Bxf6 Nxf6 19. Bxe8 Rxe8 20. Qb5 cxd4 21. cxd4 Qe7 22. Rac1 {[%cal Ba1c1,Bc1c7,Bc7g7][%mdl 32]} Ne4 $2 {[#]} (22... Rf8 {is a better defense.} 23. Qc5 Qxc5 24. Rxc5 Ne4) 23. Rc7 $3 {[%mdl 576] Double Attack. White is clearly winning.} Qd8 (23... Qf8 24. Rf7) 24. Qxb7 Bxe5 25. dxe5 {White threatens Rg7+ and mate.} Qh4 26. Qxa7 Rf8 27. Rg7+ Kh8 28. Rf7 {[%cal Rf7f8]} Rg8 29. Qe7 Qxe7 30. Rxe7 Rb8 31. Rc1 d4 32. Rd7 d3 33. Rxd3 Rxb2 34. Rd7 {[%cal Rc1c8] Weighted Error Value: White=0.18/Black=0.68} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.13"]
[White "Shearsby, Jude"]
[Black "Wille, Thomas"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1673"]
[BlackElo "2048"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,-13,-12,-8,-15,-18,0,-2,-10,-10,-5,-10,-22,-9,-14,-13,-14,-27,-4,0,0,-48,-38,-48,-48,-48,-48,-67,-72,-68,-68,-54,-54,-90,-79,-216,-146,-130,-113,-157,-154,-188,-202,-213,-212,-217,-216,-220,-129,-129,-130,-225,-180,-184,-164,-179,-97,-100,-95,-116,-117,-191,-191,-191,-186,-194,-187,-208,-208,-208,-206,-427,-425,-422,-414,-530,-516,-513,-407,-458,-451,-4922,-4918,-4918,-4918,-4910,-4910,-4910,-4910,-4782,-1941,-731,0,-1797,-1332]} 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Nf6 5. Nc3 Bg4 6. Be2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} e6 7. O-O Be7 8. h3 {The position is equal.} Bh5 (8... Bxf3 {is interesting.} 9. Bxf3 cxd4 10. exd4 Bd6 11. Be3 O-O) 9. Ne5 Bxe2 10. Qxe2 cxd4 11. Nxc6 bxc6 12. exd4 O-O 13. Rad1 {[#]} Bd6 $146 ({Predecessor:} 13... c5 14. dxc5 Bxc5 15. Rfe1 Bd6 16. Be3 a6 17. Bd4 Qc7 18. b3 Rfc8 19. Na4 Nd7 20. c3 Re8 21. Be3 Nf6 22. c4 Bb4 {½-½ (22) Owens,J (1806)-Boda,A (2026) LSS email 2013}) 14. Bxd6 Qxd6 15. a3 c5 16. Nb5 Qb6 17. dxc5 Qxc5 18. b4 Qb6 19. c4 dxc4 20. Qxc4 Rac8 21. Qe2 Nd5 $36 {[%mdl 2048] And now ...a6 would win. White is under strong pressure.} 22. Qd3 (22. Rd2 $17) 22... a6 23. Nd4 Rc3 24. Qe4 Rxa3 {...Nc3 is the strong threat.} 25. Nc2 Rc3 26. Rd2 Rfc8 27. Re1 h6 28. Ne3 Nxe3 ({Much less strong is} 28... Qxb4 29. Rd4 $17) (28... Nxb4 $19 29. Red1 Rc1) 29. Rxe3 $17 R3c4 30. Qf3 (30. Qe5 $17 {only move.}) 30... Rc1+ 31. Kh2 Qxb4 32. Rd7 {[#]} Qb8+ (32... Rf8 $1 $19 33. Rb3 Qe1) 33. g3 Rf8 34. Rb3 Qe5 35. Re3 (35. Qe3 $17 {is a better defense.} Qxe3 36. Rxe3) 35... Qb5 $19 36. Red3 Qa5 37. Rd2 Rc7 38. Rd8 {Hoping for Rxf8+.} Rc8 39. R8d7 Rcd8 40. Qb7 $2 (40. Qe3 {might work better.}) 40... Qxd2 41. Rxd2 Rxd2 {[%mdl 4096] Endgame KQ-KRR} 42. Qb6 a5 {[%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 43. Kg2 Rd5 44. g4 Ra8 45. Qb7 (45. Qc6 $142 Rb8 46. Qa4) 45... Rdd8 46. Qb3 a4 47. Qa3 Rdb8 48. h4 Rb3 49. Qa2 Rb4 50. Qa3 Rb3 51. Qa2 {[#]} a3 $1 {[%mdl 512] Weighted Error Value: White=0.44/Black=0.11} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.14"]
[White "Varney, Zoe"]
[Black "Idle, Oscar"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1917"]
[BlackElo "1722"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,62,36,25,21,6,22,-1,27,26,22,-11,-22,-23,-21,-22,-37,-33,-19,-59,-59,-60,-56,-61,-61,-64,-34,-61,0,0,0,0,0,0,0,-8,0,-14,-15,-13,-12,-22,-17,-27,0,-14,-8]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 a6 6. a4 d6 7. O-O O-O 8. h3 Ba7 9. Re1 Ne7 10. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Ng6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 11. Nf1 c6 12. Ba2 {[#]} Re8 $146 ({Predecessor:} 12... Be6 13. Bxe6 fxe6 14. Ng3 d5 15. Be3 Bxe3 16. Rxe3 Qb6 17. Qc2 a5 18. Ra3 d4 {½-½ (42) Howell,D (2667)-Ipatov,A (2660) Saint Louis 2017}) 13. Ng3 Be6 14. Bb1 d5 15. d4 dxe4 16. Nxe4 Nxe4 17. Bxe4 exd4 18. cxd4 Bd5 19. Bxd5 Qxd5 20. Be3 Rad8 21. Qc2 Bb8 22. Qc5 Nf4 (22... Nf8 $15) 23. Bxf4 $11 Bxf4 24. Qxd5 cxd5 25. Rxe8+ Rxe8 {[%mdl 4096] Endgame KRB-KRN} 26. Re1 {[%cal Re1e8] [#]} (26. Ra3 {with more complications.} f6 27. Rb3 Rb8 28. Ne1 b5 29. axb5 Rxb5 30. Rxb5 axb5 31. Kf1) 26... Kf8 27. Kf1 Rc8 28. g3 Bd6 29. Re3 Rc1+ 30. Kg2 Ra1 31. b3 Rc1 {Weighted Error Value: White=0.10/Black=0.10} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.15"]
[White "Shafi, Declan"]
[Black "Balaji, Aaravamudhan"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2166"]
[BlackElo "2206"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,106,107,119,97,95,88,95,92,93,21,29,4,91,77,86,68,77,75,83,43,68,-33,-35,-26,-27,-45,-47,-62,-56,-60,-43,-63,-73,-66,-45,-37,0,-9,0,-36,0,-81,-76,-76,-70,-86,-89,-112,-73,-81,-28,-78,-55,-41,-61,-83,-57,-35,0,0,0,0,-16,0,0,-89,-42,-69,-31,-118,-125,-130,-119,-121,-129,-153,-140,-138,-123,-177,-179,-230,-217,-227,-220,-350,-317,-456,-454,-608,-448,-534,-434,-827,-845,-842,-818,-954,-912]} 1. d4 f6 2. e4 g6 3. Nc3 Bg7 4. Be3 Nh6 5. Bc4 e6 6. f3 {A40: Unusual replies to 1 d4.} c6 {[#]} 7. d5 $146 ({Predecessor:} 7. Qd2 Nf7 8. h4 d5 9. Bb3 b5 10. O-O-O a5 11. a4 Ba6 12. axb5 cxb5 13. exd5 {1-0 (39) Mora,L (1920)-Rozzoni,D (1786) Bratto 2007}) 7... b5 8. Bb3 {White is better.} a5 9. a4 (9. a3 $16) 9... b4 $11 10. Nce2 O-O (10... cxd5 $11 {remains equal.} 11. Qd2 (11. exd5 e5 $11) 11... Nf7) 11. Qd2 Nf7 12. O-O-O cxd5 13. exd5 e5 14. g4 d6 $1 15. Ng3 ({Better is} 15. h4 $14) 15... f5 $1 $36 {[%cal Rf5f4][%mdl 2048] Black has the initiative.} 16. gxf5 gxf5 {...f4 is the strong threat.} 17. Nh5 f4 $1 {[%cal Rf4e3]} 18. Qg2 {[%csl Gh5][%cal Rg2g7]} Qg5 19. Qxg5 Nxg5 20. Bd2 Bh6 21. h4 Nf7 22. Nf6+ Kh8 23. Nh3 Bf5 24. Nf2 Na6 25. Bc4 (25. N6e4 $1 $11) 25... Nc5 $17 26. b3 Rfc8 27. N2e4 {[#]} Nxa4 $1 28. Bb5 (28. Bd3 Bxe4) 28... Nb6 29. Kb2 Bxe4 (29... Bg7 $17 {Hoping for ...Bxf6.} 30. Bc6 Rab8) 30. fxe4 Bf8 31. Ra1 Be7 32. Nh5 Rc7 33. Bc6 Rac8 {Threatens to win with ...Nd8.} 34. Rxa5 Nd8 35. Bxb4 Nxc6 36. dxc6 Rxc6 37. Rh2 (37. c4 $11 {keeps the balance.}) 37... Rb8 {Strongly threatening ...Nc4+!} 38. c3 Rf8 39. Ra7 {Black converts the advantage convincingly.} (39. c4 $15) 39... Nc8 40. Ra1 Rg8 41. c4 {With the idea Nxf4!} Rg4 42. Rf1 Kg8 ({But not} 42... Rxh4 43. Rg2 $15) 43. Rff2 Kf7 {aiming for ...Kg6.} ({Of course not} 43... Rxh4 $6 44. Rhg2+ Kf8 45. Ng7 $15) 44. Rfg2 {[#]} (44. Rhg2 $17 {might work better.} Rg6 45. Rxg6 Kxg6 46. Nxf4+ exf4 47. Rxf4) 44... Rg6 $1 $19 45. Bc3 {[#]} (45. Kc2 {keeps fighting.}) 45... Nb6 $1 46. Kc2 Nd7 47. Bb4 (47. Bd2 $142) 47... Nf8 48. Kd3 (48. Bd2 {was worth a try.}) 48... Ne6 {Black is clearly winning.} 49. Kc3 Ra6 50. Rf2 Ke8 51. Rhg2 (51. Ra2 $142 Rxa2 52. Rxa2) 51... Bxh4 52. Rxg6 hxg6 53. Rh2 Be1+ {Weighted Error Value: White=0.46/Black=0.16} (53... gxh5 $2 54. Rxh4 f3 55. Rh1 $19) 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.28"]
[Round "5.17"]
[White "Oh, Julie"]
[Black "Finn, Chris"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1168"]
[BlackElo "1958"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,131,57,53,73,35,45,6,7,13,19,8,16,0,0,0,0,0,0,-4,0,0,12,0,0,0,0,-84,-83,-83,-82,-85,-87,-234,-198,-183,-168,-196,-193,-200,-204,-237,-236,-228,-228,-214,-159,-159,-137,-159,-151,-184,-134,-133,-133,-134,-61,-486,-485,-525,-342,-450,-329,-329,-314,-314,-266,-266,-266,-260,-252,-252,-216,-261,-252,-310,-260,-252,-245,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29986,-29986,-29987,-29987,-29988,-29990,-29991,-29991,-29989,-29989,-29990,-29990,-29991,-29991,-29992,-29994,-29995,-29995,-29996,-29997,-29997,-29998,-29999,-29999]} 1. e4 e6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Be3 c5 8. c3 cxd4 9. Bxd4 Be7 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 10. Be2 O-O 11. O-O b6 {The position is equal.} 12. Bd3 Bb7 13. Qe2 Qc7 {[#]} 14. Ne5 $146 ({Predecessor:} 14. Rad1 Rfd8 15. Rfe1 Rac8 16. a3 Bd5 17. Ne5 Bc5 18. Ba6 Bxd4 19. Rxd4 Bb7 20. Rxd8+ Rxd8 21. Bxb7 Qxb7 {½-½ (50) Farakhov,R (2371)-Alexandrova,O (2430) Alushta 2004}) 14... Bc5 15. Bxc5 Qxc5 16. Rad1 Rad8 17. Ng4 Qg5 18. Nxf6+ gxf6 {[%csl Gb7][%cal Rg5g2]} 19. Be4 Bxe4 20. Qxe4 Rd2 21. f4 (21. Rxd2 $11 {keeps the balance.} Qxd2 22. Qg4+ Kh8 23. Qh4) 21... Qc5+ $17 22. Kh1 Rfd8 23. Rxd2 Rxd2 $40 {[%mdl 4224] Endgame KQR-KQR. Black is out for blood.} 24. Qb1 (24. f5 $17) 24... Qd5 {[%csl Gd2][%cal Rd5g2]} 25. Rg1 Qb5 26. b3 Qe2 27. Qe1 Qd3 ({Resist} 27... Rxa2 28. Qh4 $17) 28. Qg3+ Qxg3 29. hxg3 Rxa2 $19 {KR-KR} 30. Rc1 Kg7 31. Kh2 Kg6 32. c4 Rb2 33. Rc3 Kf5 34. c5 bxc5 35. Rxc5+ {[#]} e5 (35... Kg6 $1 $17 36. Ra5 h5 37. Rxa7 Rxb3) 36. g4+ $2 {[%mdl 8192]} (36. Ra5 $15) 36... Kxf4 37. Rc4+ Kg5 38. Ra4 Rxb3 39. Rxa7 Kg6 ({Much less strong is} 39... Kxg4 40. Rxf7 f5 41. Rg7+ Kf4 42. Rxh7 $19) 40. Re7 Rb6 41. Kg3 Re6 42. Rb7 h6 43. Kf3 Kg7 44. Ke4 Rd6 45. Rb4 Rd7 46. g3 Kg6 {White must now prevent ...Rd4+!} 47. Rc4 {[#]} (47. Rb8 $19) 47... Rd4+ {Black mates.} 48. Rxd4 exd4 49. Kxd4 {K3P-KPP} Kg5 50. Ke3 Kxg4 {KP-KP} 51. Kf2 f5 52. Kg2 f4 53. gxf4 Kxf4 54. Kf2 h5 55. Kg2 Ke3 56. Kf1 f5 57. Ke1 f4 58. Kf1 Kf3 59. Kg1 Ke2 60. Kh2 f3 61. Kg3 f2 62. Kh4 f1=Q 63. Kxh5 Qg2 64. Kh4 Kf3 {[%csl Gf3][%cal Rg2g4]} 65. Kh5 Qg7 66. Kh4 Qg4# {Weighted Error Value: White=0.49/Black=0.16} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.1"]
[White "Adams, Michael"]
[Black "Lalic, Bogdan"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2716"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,53,32,33,31,35,29,22,33,54,70,56,58,79,30,30,14,10,18,22,10,14,0,0,0,0,0,0,0,0,0,0,0,0,-4]} 1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. e3 e6 5. d4 d5 6. cxd5 exd5 7. Bb5 Bd6 8. dxc5 Bxc5 9. O-O O-O 10. b3 a6 11. Bxc6 bxc6 12. Bb2 {D32: Tarrasch Defence: Sidelines and lines without g3.} Bd6 13. Rc1 Bg4 14. Ne2 Rc8 15. Ne5 $1 Bxe5 16. Bxe5 Re8 {[#]} 17. Bxf6 $146 ({Predecessor:} 17. Bd4 Nd7 18. f3 Bf5 19. Qd2 Qe7 20. Ng3 Bg6 21. Rfe1 f6 22. b4 h5 23. Ne2 {½-½ (56) Bruzon Batista,L (2643)-Bodek,M (2408) Calgary 2016}) 17... Qxf6 18. h3 Bxe2 {The position is equal.} 19. Qxe2 c5 20. Qd2 d4 21. exd4 cxd4 22. Rxc8 Rxc8 $11 {KQR-KQR} 23. Rd1 Rd8 24. Qd3 Qc6 25. g3 g6 26. h4 h5 27. Rd2 {Weighted Error Value: White=0.07/Black=0.04} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.2"]
[White "Cox, Tristan A"]
[Black "Turner, Matthew J"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2141"]
[BlackElo "2509"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,46,6,13,-58,6,-62,-45,-87,-79,-254,-270,-273,-249,-237,-264,-329,-297,-273,-294,-289,-288,-372,-388,-360,-383,-356,-349,-503,-522,-771,-769,-731,-714,-677,-667]} 1. d4 {Metz Alekhine/Primel,D} Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 c6 6. Nf3 d5 7. Qc2 Nbd7 {[#]} 8. g4 $146 {D45: Semi-Slav: 5 e3.} (8. Bd3 $11) ({Predecessor:} 8. Bd3 Qe7 9. O-O Bd6 10. cxd5 exd5 11. Rfe1 Qd8 12. e4 dxe4 13. Nxe4 Be7 14. Nc5 h6 15. a4 Nxc5 16. dxc5 Bxc5 17. Qxc5 Qxd3 {0-1 (36) Manolache,M (2561)-Zubarev,A (2597) Metz 2012 EXT 2013 [Metz Alekhine/Primel,D]}) 8... e5 ({Better is} 8... Nxg4 $15 9. Rg1 Ngf6) 9. dxe5 (9. g5 $11 Bxc3 10. Bxc3) 9... Nxg4 $15 10. a3 {Black is slightly better.} Ba5 11. b4 $2 (11. Be2 $17) 11... Bc7 $19 12. cxd5 {[#] Hoping for d6.} Ndxe5 13. Nxe5 Bxe5 ({Less strong is} 13... Nxe5 14. O-O-O $17) 14. Bd3 Qh4 15. O-O-O Nxf2 {[%mdl 64] [#] Double Attack} 16. Be1 Nxd3+ 17. Rxd3 Qh6 18. Bd2 Qg6 19. e4 a5 20. b5 (20. bxa5 $142 Rxa5 21. Qb3) 20... cxb5 {Black is clearly winning.} 21. Nxb5 Bd7 22. Nc3 Rac8 23. Kb1 b5 {White did not feel at home in the position after the opening.  Weighted Error Value: White=0.53/Black=0.14} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.3"]
[White "Wadsworth, Matthew J"]
[Black "Ghasi, Ameet K"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2416"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,79,23,27,26,29,0,4,-6,32,12,12,13,12,15,42,32,44,25,20,17,28,7,8,18,31,11,22,0,0,0,0,0,-4,-7,0,0,41,0,32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nf3 O-O 5. O-O c6 6. b3 Ne4 7. d4 d5 8. Bb2 Bf5 9. Nh4 {D78: Fianchetto Grünfeld: 6 0-0 c6.} Be6 10. cxd5 cxd5 11. Nc3 {[%cal Bb1c3,Bc3e2,Be2f4][%mdl 32] [#]} f5 $146 ({Predecessor:} 11... Nxc3 12. Bxc3 Nc6 13. e3 Qd7 14. Re1 Rfd8 15. Rc1 Bg4 16. Bf3 Bxf3 17. Nxf3 f6 {1-0 (43) Schlender,M-Floeter,F Germany 1996}) 12. Rc1 Nc6 13. Nf3 Rc8 14. e3 Qd7 15. Ne2 Rc7 16. Nf4 Rfc8 17. Nd3 Qd6 18. Nfe5 Nxe5 19. Rxc7 Nf3+ 20. Bxf3 Rxc7 21. Qe2 Bd7 22. Rc1 Bb5 {[#] White must now prevent ...Rxc1+.} 23. Rxc7 Qxc7 24. a4 Ba6 25. Qd1 Qb6 26. Ba3 (26. Bxe4 $5 dxe4 27. Nc5 $14) 26... e6 27. Nc5 Nxc5 {The position is equal.} 28. dxc5 Qc7 29. b4 {[#] aiming for b5.} Bc4 30. Be2 Bxe2 31. Qxe2 Qe5 32. Qb5 Qe4 33. Qe8+ Bf8 34. h4 d4 35. exd4 Qe1+ 36. Kg2 Qe4+ 37. Kh2 Qe2 38. Kg2 {Threatens to win with Bc1.} Qe4+ 39. Kh2 {Strongly threatening Bc1.} Qe2 40. Kg2 {Weighted Error Value: White=0.07/Black=0.06} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.4"]
[White "Fernandez, Daniel Howard"]
[Black "Finn, Peter"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2466"]
[BlackElo "1959"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,87,28,24,10,10,0,0,0,0,0,8,-18,-20,-25,-25,-84,-87,-97,-88,-89,-10,-10,0,0,22,17,51,19,28,0,123,113,115,29,16,0,0,0,117,86,124,122,118,118,120,122,126,139,135,103,151,147,189,185,233,224,249,247,599,616,712,632,692,570,432,341,1610,1547,2203,2222,1766,1656,29988,29989,29989,29990]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Nd4 5. e5 Nxb5 6. Nxb5 Nd5 7. Ng5 f6 8. Qh5+ {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} g6 9. Qf3 fxg5 (9... Nb4 $6 10. exf6 exf6 11. c3 $1 $16) 10. Qxd5 {The position is equal.} a6 11. Nc3 Qc7 12. O-O {[#]} e6 $146 ({Predecessor:} 12... Bg7 13. e6 Be5 14. h3 dxe6 15. Qf3 Bd7 16. d3 h6 17. Qe4 O-O-O 18. Re1 Bd6 19. Qxg6 Rdg8 20. Qh5 Kb8 21. Ne4 Be8 22. Qe2 Bc6 {½-½ (22) Garbarino,R (2405)-Pierrot,J (2310) Olivos 1993}) 13. Qe4 Bg7 14. Re1 (14. d3 $11) 14... O-O $17 15. d3 Rf5 {[%cal Rf5e5]} 16. f4 gxf4 (16... Rb8 $1 $17 17. g3 gxf4 18. Bxf4 b6) 17. Bxf4 $11 Rb8 18. Qe3 d5 {And now ...d4 would win.} 19. exd6 Qf7 20. Ne2 (20. d7 Bxd7 21. Bxb8 Bd4 $17) 20... Bd7 {Threatens to win with ...Bd4!} 21. Bh6 Bxh6 (21... Bxb2 $11 22. Rab1 Qf6) 22. Qxh6 $16 Bc6 {aiming for ...Rf2.} 23. Ng3 (23. Qe3 $1 $16) 23... Rf2 $11 24. Re2 Rxe2 25. Nxe2 Rd8 ({But not} 25... Rf8 26. Qe3 $16) (25... e5 $11 {keeps the balance.}) 26. Qg5 (26. Rf1 {is more complex.} Qd7 27. Qf4 Bd5 28. h4 Qxd6 29. Qf7+) 26... Rxd6 27. Qxc5 Rd5 28. Qe3 Qf6 29. Rf1 Rf5 30. Rxf5 exf5 31. d4 Be4 32. c4 Qc6 33. b3 Qd6 34. d5 Qf6 35. Nc3 b5 $2 (35... a5 {is a better chance.} 36. Kf2 (36. Nxe4 fxe4 37. h3 Qe5 $16) 36... b6) 36. c5 $18 b4 37. Nxe4 Qa1+ 38. Kf2 fxe4 {[%mdl 4096] Endgame KQ-KQ} 39. d6 {Black must now prevent d7.} Qf6+ $2 (39... Qe5 40. Qc1 Qd4+ 41. Qe3 Qe5) 40. Ke1 Qa1+ {[#]} 41. Ke2 $1 Qxa2+ {[#]} 42. Qd2 $1 {[%cal Rd2a2]} Qxb3 43. d7 Qc4+ 44. Ke1 {Weighted Error Value: White=0.14/Black=0.54} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.5"]
[White "O`Gorman, Tom"]
[Black "Grieve, Harry"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2368"]
[BlackElo "2351"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,51,-17,-10,-19,0,-32,-24,-28,-32,-51,-23,-27,-16,-24,0,-12,-12,-13,0,-11,-6,-4,-3,-11,-10,-11,7,7,6,0,6,7]} 1. d4 d5 2. Nf3 e6 3. Bg5 Be7 4. Bxe7 Qxe7 5. Nbd2 Nf6 6. e3 b6 7. Rc1 Bb7 8. Bd3 O-O 9. O-O Nbd7 10. c3 c5 11. Qe2 {[#]} Ne4 $146 ({Predecessor:} 11... Rfc8 12. h3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. Nf3 Qh5 16. Rfd1 Re8 17. b4 c4 {½-½ (73) Monserrat Castells,J (1966)-Garcia Perez,R (1889) Cullera 2006}) 12. Bb5 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} Rac8 13. Bxd7 Qxd7 14. Ne5 {Black has an edge.} Qe7 15. f3 Nxd2 (15... Nd6 {seems wilder.} 16. Rfe1 Rfd8 17. Ng4 Qe8 18. Nf2 Qa4) 16. Qxd2 f6 17. Nd3 e5 18. dxe5 {The position is equal.} fxe5 19. f4 Ba6 20. fxe5 Bxd3 21. Qxd3 Qxe5 22. Rxf8+ Rxf8 $11 {KQR-KQR} 23. Rd1 Re8 24. Qxd5+ Qxd5 25. Rxd5 Rxe3 26. Kf2 {Weighted Error Value: White=0.08/Black=0.10} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.6"]
[White "Toczek, Grzegorz"]
[Black "Evans, Harry G"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2271"]
[BlackElo "2047"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,41,0,8,0,0,0,6,0,-7,-13,0,3,59,13,14,5,22,43,35,29,376,364,349,368,407,417,413,406,424,317,398,378,376,394]} 1. e4 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 a6 5. g3 d5 6. exd5 {B40: Sicilian: 2...e6, Unusual lines.} exd5 7. Qe2+ Qe7 8. Nc3 {The position is equal.} Bg4 {[#] And now ...Bxf3 would win.} 9. Qxe7+ Ngxe7 10. Bg2 {[#]} f6 $146 (10... Bxf3 $11 11. Bxf3 Nd4) ({Predecessor:} 10... Bxf3 11. Bxf3 Nd4 12. Bd1 O-O-O 13. Na4 Nec6 14. Ba3 b5 15. Nxc5 b4 16. c3 Bxc5 17. cxd4 Bxd4 {0-1 (42) Barthel,A (2186)-Vaibhav,S (2524) Metz 2014}) 11. h3 Be6 12. O-O-O d4 13. Ne4 Nd5 14. Rhe1 {Black must now prevent Neg5.} Kf7 $2 {[%mdl 8192] [#] This move loses the game for Black.} (14... Kd7 $11 {and Black is okay.}) 15. Neg5+ $1 {[%mdl 512]} fxg5 16. Nxg5+ {[%mdl 64] Double Attack} Kf6 {aiming for ...Bd7.} 17. Rxe6+ ({But not} 17. Nxe6 Nb6 $18) 17... Kxg5 18. Bxd5 Rd8 19. Bf3 g6 20. Bxc6 bxc6 21. Rxc6 {Weighted Error Value: White=0.12/Black=0.69} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.7"]
[White "Ismail, Mohammed Aayan"]
[Black "Hebden, Mark L"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "1719"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,74,14,31,-16,0,-2,0,-23,-11,-14,6,0,19,8,10,-4,25,28,34,29,32,29,30,23,28,16,33,0,0,8,43,67,53,48,141,153,210,227,357,367,363,356,355,345,627,448,419,393,569,570,1115,628,1177,1166,29990,29991,29992,29993,29996,938,1534,0,29996,29997,29999]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 c5 6. c3 Qc7 7. Nbd2 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems.} cxd4 8. cxd4 d5 {[#]} 9. Ne5 $146 {The position is equal.} ({Predecessor:} 9. Nb3 Nfd7 10. Bf4 e5 11. dxe5 Nxe5 12. Qxd5 Nxf3+ 13. Bxf3 Qd7 14. Qxd7 Nxd7 15. Rab1 {½-½ (47) Yang,S (1648)-Ansell,J (1320) Auckland 2011}) 9... Bf5 10. Ndf3 Bc2 11. Qe1 Be4 12. Bf4 {Hoping for Nxg6!} Qb6 13. Qd2 Nfd7 14. Rac1 Bxf3 15. Nxd7 Nxd7 16. Bxf3 e6 17. Rfd1 Rfc8 18. Rc3 Qa6 19. a3 Nb6 20. Rdc1 Nc4 21. Qd3 b5 22. e4 Rd8 {White now steadily converts the win.} (22... Nxb2 $14 23. Qxb5 Qxb5 24. Rxc8+ Qe8 25. Rxe8+ Rxe8) 23. exd5 $16 exd5 {[#]} (23... e5 $16) 24. b3 $1 $18 Nd6 (24... Nxa3 {might work better.} 25. Bg5 Nc4 26. bxc4 (26. Bxd8 Rxd8 27. bxc4 dxc4 $18) 26... dxc4) 25. Bxd5 Rac8 26. Rxc8 Nxc8 27. Qf3 {And now Rc7 would win.} Qxa3 $2 {[#]} (27... Rf8 28. Rc7 Qf6 29. Bxf7+ {[%mdl 64] Deflection} Rxf7 30. Rxc8+ Bf8) 28. Bxf7+ $1 {[%mdl 512]} Kh8 29. Qc6 Bxd4 (29... Nd6 {keeps fighting.}) 30. Be3 Bb2 31. Bg5 {White wants to mate with Bf6+.} Nd6 {intending ...Rc8.} 32. Bxd8 {Bd5! would kill now.} Kg7 33. Bd5 Bxc1 34. Qd7+ Kh6 35. Qh3+ (35. Bg8 $142 Nf7 36. Qh3+ Kg7 37. Qxh7+ Kf8 38. Qxf7#) 35... Kg7 36. Qd7+ (36. Be7 $18 Qa1 37. Bxd6 Bf4+ 38. Kg2 Bxd6 39. Qd7+ {[%mdl 64] Double Attack} Kh6 40. Qxd6 a5 41. h4) 36... Kh6 37. Bg8 {[%csl Gg8][%cal Rd7h7]} Kh5 38. Qh3# {Weighted Error Value: White=0.51/Black=0.52} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.9"]
[White "Wille, Thomas"]
[Black "Tanmay Chopra"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2048"]
[BlackElo "2273"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,83,16,24,14,10,37,29,33,33,56,45,55,43,45,60,112,107,114,0,0,7,41,34,49,0,0,-40,0,0,0,0,25,0,54,22,38,40,33,33,33,35,33,26,63,57,62,69,58,28,25,24,24,18,27,19,30,33,30,-13,-14,-106,-38,-37,-16,-27,-28,-31,0,0,0,0,6,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 a6 5. Ba4 Ngf6 6. Qe2 b5 7. Bc2 Bb7 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 8. d4 e5 9. O-O Be7 {White has an edge.} 10. Rd1 Qc7 11. d5 O-O 12. a4 c4 13. Na3 Qb6 (13... Qb8 $14) 14. Be3 $16 Nc5 {[#]} 15. Nh4 $146 (15. Nd2 $16) ({Predecessor:} 15. Nd2 Nfd7 16. b4 cxb3 17. Nxb3 Rfc8 18. axb5 Qd8 19. Nxc5 Nxc5 20. f3 axb5 21. Nxb5 {½-½ (51) Chandra,A (2495)-Gelashvili,T (2563) Saint Louis 2017}) 15... g6 $11 16. Nf3 Rfb8 17. h3 Bc8 18. axb5 axb5 19. Ra2 Ba6 20. Qe1 Qc7 21. Nd2 Nfd7 22. Rda1 Qb7 (22... Qd8 $11) 23. Nab1 Qc8 24. b4 cxb3 $1 25. Nxb3 Bb7 26. Na5 Bd8 27. Qe2 Bxa5 28. Rxa5 Rxa5 29. Rxa5 Ba6 {With the idea ...b4.} 30. Qd2 Qb7 31. Ra1 b4 32. cxb4 Qxb4 33. Nc3 {Black must now prevent Bxc5.} Qc4 34. Ba4 Nf6 35. Bxc5 Qxc5 36. Bc6 {[#]} (36. Bc2 $11 Bc4 37. Nd1) 36... Qc4 ({Better is} 36... Qd4 $1 $17 {[%cal Rd4d2]} 37. Qxd4 (37. Qc1 Bd3) 37... exd4) 37. f3 $15 Kg7 38. Nd1 Qf1+ 39. Kh2 Bc8 40. Qf2 {The position is equal.} Qd3 41. Qe3 Qf1 42. Qf2 {Weighted Error Value: White=0.18/Black=0.14} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.10"]
[White "Stubbs, Oliver"]
[Black "Villiers, Thomas"]
[Result "0-1"]
[ECO "A44"]
[WhiteElo "1905"]
[BlackElo "2161"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,81,88,87,79,83,104,74,75,78,79,72,81,65,43,48,42,37,36,-12,-3,-5,8,0,27,0,45,51,61,32,53,20,28,0,0,0,0,0,57,0,-1,-227,-223,-250,-103,-316,-222,-200,-181,-623,-661,-659,-680,-29997,-29998]} 1. d4 c5 2. d5 e5 3. e4 d6 4. Nc3 g6 5. Bb5+ Nd7 6. a4 {A44: Semi-Benoni.} Bg7 7. Nf3 Ne7 8. O-O {White is better.} a6 9. Be2 O-O 10. Nd2 f5 11. Nc4 Nf6 {[#]} 12. exf5 $146 ({Predecessor:} 12. f4 Nxe4 13. Nxe4 fxe4 14. fxe5 Rxf1+ 15. Bxf1 Nf5 16. e6 Bd4+ 17. Kh1 Qh4 18. g3 Nxg3+ {½-½ (28) Hummel,D (2266)-Herman,M playchess.com INT 2004}) 12... gxf5 13. f4 e4 14. Be3 b6 {With the idea ...Bb7.} 15. Bf2 $1 Bb7 {[%cal Rf6d5]} 16. Ne3 Qe8 17. Qd2 Rd8 18. Rab1 Qf7 19. Rfd1 a5 20. Bc4 Kh8 21. Ne2 Ng4 22. Nxg4 fxg4 23. Ng3 Ng6 ({Better is} 23... Qxf4 $11 24. Qxf4 Rxf4) 24. Nxe4 (24. Be3 $14) 24... Nxf4 $11 25. Bh4 $2 {[#]} (25. Be3 $11 {and White stays safe.}) 25... Qg6 $1 $19 {[%cal Rg6e4]} 26. Nc3 {[#]} Rde8 (26... Bh6 $1 $19 {has better winning chances. ...Nh3+! is the strong threat.} 27. Kh1 Qh5) 27. Bg3 $2 (27. Rf1 $17 Qh6 28. Kh1) 27... Bd4+ 28. Kh1 Be3 $36 {[%mdl 2048] White is under strong pressure.} 29. Bd3 $2 (29. Qe1) 29... Qh5 ({Weaker is} 29... Bxd2 30. Bxg6 hxg6 31. Rxd2 $11) 30. Qe1 {[#]} Nxg2 $1 {[%mdl 512]} 31. Kxg2 {[#]} (31. Qe2 Nf4) 31... Qxd5+ $1 {[%mdl 512] Weighted Error Value: White=0.73/Black=0.19} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.11"]
[White "Idle, Oscar"]
[Black "Blackburn, Jonathan L B"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1722"]
[BlackElo "2235"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,102,50,62,38,38,29,33,33,33,40,30,15,26,0,55,57,55,58,109,111,171,145,163,156,253,245,251,120,117,43,58,-57,0,-9,-9,-212,-190,-215,-218,-343,-336,-375,-376,-931,-588,-538,-386,-381,0,-228,-226,-221,-229,-239,-226,-194,-137,-140,-137,-150,-128,-112,-138,-152,-110,-323,-312,-368,-366,-811,-802,-582,-558,-1021,-567,-768,-595,-29979,-29980,-29988,-29989,-29993,-29994,-29996,-29985,-29986,-29987]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O Nc6 7. Nc3 a6 8. e4 {8.b3 is setting a new trend.} Bg4 9. Be3 Nd7 10. h3 {E63: King's Indian: Fianchetto: Panno Variation with 7...a6.} Bxf3 11. Bxf3 e5 {[%cal Re5d4]} 12. d5 {White is slightly better.} Nd4 13. Bg2 f5 14. f4 Qe7 15. Qd2 fxe4 {[#]} (15... b5 $11) 16. Bxd4 $146 ({Predecessor:} 16. Nxe4 Nf5 17. fxe5 Qxe5 18. Bf2 Nf6 19. Rae1 Nxe4 20. Rxe4 Qf6 21. b3 Bh6 22. Qc2 {½-½ (54) Stolba,M (2149)-Grill,R (2190) Czechia 2012}) 16... exd4 17. Nxe4 h6 (17... Nc5 $14) 18. Rae1 $16 Qf7 {[#]} (18... Qd8 $16) 19. Ng5 $1 $18 {[%cal Rg5f7][%mdl 512]} hxg5 20. fxg5 Be5 (20... Nf6 $16) 21. Rxf7 Rxf7 22. g4 (22. Rf1 $18) 22... Raf8 $16 23. Qc2 ({White should play} 23. Qd3 $16 Kg7 24. b4) 23... Kg7 $14 24. Rf1 (24. Re2 $14) 24... Rxf1+ (24... Bf4 $5 {[%cal Rf4e3]} 25. Re1 Ne5 $15) 25. Bxf1 Bf4 26. Bg2 $2 (26. Kg2 $11 {and White stays safe.}) 26... Be3+ $19 27. Kh1 Ne5 28. c5 {[#]} (28. Qb3 $142 d3 29. c5 (29. Qxb7 $2 d2 $19)) 28... d3 $1 {[%cal Rd3c2]} 29. Qb3 {intending cxd6.} Bxc5 30. Qc3 $2 (30. Be4 Rf1+ 31. Kh2) 30... Rf2 31. Be4 Rc2 32. Qb3 Rf2 $2 (32... Rc1+ $19 33. Kh2 b5 34. Bxd3 Nf3+ 35. Kg3 Nd2) 33. Qxb7 $2 ({Avoid the trap} 33. Bxd3 $2 Nf3 $19) (33. Qc3 $1 $11 {and White is okay.} d2 34. Bc2) 33... Bb6 {( -> ...d2)} 34. Qc8 d2 {[%cal Rd2d1]} 35. Bc2 Rf1+ 36. Kh2 Rg1 (36... Rc1 $19 37. Bb3 d1=Q 38. Bxd1 Rxd1) 37. h4 $17 d1=Q ({Reject} 37... Nxg4+ $6 38. Kh3 $11) 38. Bxd1 Rxd1 39. Qe6 Rf1 40. h5 Rf4 41. h6+ $2 (41. b4 $17) 41... Kh7 $19 42. Qe7+ Rf7 43. Qe6 (43. Qe8) 43... Nf3+ 44. Kh1 Nxg5 45. Qe8 a5 46. a4 Rf2 {And now ...Bc5 would win.} 47. Qe7+ Kxh6 {Black mates.} 48. Qe8 Nf3 {[%csl Gf3][%cal Rf2h2]} 49. Qf8+ Kg5 {[%csl Gf3][%cal Rf2h2]} 50. Qe7+ Kxg4 {[%csl Gf3][%cal Rf2h2]} 51. Qe4+ Kh5 {[%csl Gf3][%cal Rf2h2] Weighted Error Value: White=0.79/Black=0.48} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.12"]
[White "Balaji, Aaravamudhan"]
[Black "Arora, Tashika"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2206"]
[BlackElo "1744"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,66,27,34,46,0,44,43,67,56,75,54,47,48,56,37,40,39,64,61,88,78,73,73,179,176,269,259,256,255,239,225,326,340,339,169,204,215,204,99,215,207,29984,29985,29992,29993,29998,29999,29999]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Rc1 Qa5 9. Qd2 O-O 10. Nf3 Bg4 11. d5 Nd7 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 12. Be2 (12. c4 $5 {[%cal Rd2a5]} Qa3 13. Be2 $11) 12... Rfd8 13. c4 Qa3 {White is slightly better.} 14. O-O {[#]} b6 $146 ({Predecessor:} 14... Bxf3 15. Bxf3 Ne5 16. Be2 Nc6 17. Bd3 b6 18. f4 e6 19. Kh1 Nb4 20. Bb1 exd5 21. cxd5 {½-½ (55) Haug,J (2292)-Getz,N (2441) Norway 2016}) 15. h3 Bxf3 16. Bxf3 Ne5 {[%cal Bd7e5,Be5c6,Bc6b4][%mdl 32]} 17. Be2 Nc6 18. Bd3 Nb4 19. Bb1 Bb2 20. Rcd1 Bc3 21. Qe2 Bb2 (21... Qb2 $16 22. Qxb2 Bxb2) 22. e5 $1 $18 Rac8 (22... Bxe5 $142 23. Bxc5 {[%mdl 64] Discovered Attack} Bd6) 23. Bg5 Re8 24. e6 f6 25. Bh6 Kh8 (25... f5 $142 26. Bg5 Qc3) 26. Rfe1 Bd4 27. Qg4 (27. d6 $142) 27... Rg8 {[#]} 28. d6 $1 Nc6 29. dxe7 (29. Qe4 $18 {aiming for d7.} Qa4 30. d7) 29... f5 {[#]} (29... Qb4 $16) 30. Qh4 $1 Bg7 (30... Qc3 $18 31. Bc2 Qxc4) 31. Bxg7+ {[%mdl 64] Overworked Piece. White mates.} Rxg7 32. Rd8+ Nxd8 33. e8=Q+ Rg8 34. Qf6# {Weighted Error Value: White=0.15/Black=0.59} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.13"]
[White "Goss, Alex"]
[Black "Gordon, Sean"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "1833"]
[BlackElo "2039"]
[Annotator "TA"]
[PlyCount "156"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,156,0,8,23,0,2,0,94,0,0,0,0,0,243,-35,35,15,41,0,15,0,0,-1,-11,-39,-28,-27,0,0,0,-22,-20,-33,-27,-22,-19,-18,-14,-21,-22,-43,-34,-81,-31,-28,-43,-33,-31,-26,-34,-70,-66,-236,-70,-144,-127,-513,-500,-531,-541,-529,-540,-535,-538,-504,-527,-501,-484,-535,-533,-525,-529,-572,-566,-582,-582,-554,-11,-618,-531,-577,-564,-531,-525,-648,-637,-512,-359,-670,-646,-651,-627,-611,-453,-694,-562,-457,-443,-531,-519,-700,-712,-699,-692,-1511,-1169,-1547,-840,-1078,-1039,-700,-365,-345,-59,-62,-70,-572,-355,-484,-1,-380,0,0,8,0,0,0,20,20,29976,29978,29976,29977,29977,29973,29976,0,29977,0,29974,0,29969]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 e6 $1 {9...e6 scores better than 9...Ngf6. B19: Classical Caro-Kann: 4...Bf5 main line.} 10. c4 Ngf6 11. Bd2 {[#]} c5 $146 (11... Bd6 $11) ({Predecessor:} 11... Be7 12. b4 O-O 13. O-O Qc7 14. Rfe1 Rfe8 15. Qc2 Rad8 16. a4 a6 17. Rab1 Bd6 18. Ne4 Bf4 19. Bxf4 Qxf4 {0-1 (51) Kuzmin,G (2479)-Kornev,A (2567) Sochi 2007}) 12. Bc3 ({White should play} 12. d5 $16) 12... cxd4 $11 13. Nxd4 Bc5 14. O-O-O Qb6 $2 {[#]} (14... O-O $11 {and Black has nothing to worry.}) 15. Rhe1 $2 (15. Nxe6 $1 $18 {[%mdl 512]} Be3+ 16. fxe3 (16. Qxe3 Qxe3+ 17. fxe3 fxe6 $16) 16... Qxe6 17. Nf5) 15... O-O-O (15... O-O $15) 16. Qe2 Rhe8 17. Rf1 Kb8 18. Nb3 Bb4 19. Bd4 Qa6 20. a3 Be7 (20... Qa4 {is more complex.} 21. Qc2 Be7 22. Kb1 Rc8 23. Rc1 Red8) 21. Kb1 Rc8 22. Rc1 Nb6 {[%cal Rc8c4]} 23. Be5+ Ka8 {[%cal Rb6c4]} 24. c5 Qxe2 25. Nxe2 Nbd7 26. Bd4 e5 27. Be3 Ng4 28. c6 bxc6 29. g3 Nxe3 (29... f5 {looks sharper.} 30. Bd2 c5 31. f3 Ngf6 32. Rc2 Bd6) 30. fxe3 f6 31. Rfd1 Nb6 32. Na5 c5 {[%cal Bc6c5,Bc5c4][%mdl 32]} 33. Nc4 Red8 34. Na5 (34. Rxd8 $15 Rxd8 35. g4) 34... h5 $2 (34... Rxd1 $1 $19 35. Rxd1 c4) 35. Nc3 ({Better is} 35. Rxd8 $15 Bxd8 36. b3) 35... c4 36. Nb5 $2 {[%mdl 8192]} (36. Rxd8 $17 {is a better chance.} Bxd8 37. Ne4) 36... Rxd1 $19 37. Rxd1 Rc5 38. a4 a6 (38... Nxa4 $2 39. Rd5 $19) 39. b4 Rc8 (39... axb5 40. bxc5 Nxa4 41. c6 $14) 40. Nd6 Rd8 41. Nab7 Rd7 42. Kc2 Rxb7 43. Nxb7 Kxb7 44. a5 Nc8 45. Kc3 Nd6 46. Rd5 Nf5 $2 ({Black should try} 46... Kc6 $19 47. Rc5+ Kd7) 47. e4 {[%mdl 8192]} (47. Rd7+ $11 Kc8 48. Ra7) 47... Nd6 48. Kc2 Kc6 49. Rc5+ Kd7 $1 50. Rd5 Ke6 51. Rc5 {intending Rc6.} Nxe4 {[%mdl 64] Discovered Attack} 52. Rxc4 (52. Rc6+ Kd5 53. Rxa6 Bxb4 54. Ra8) 52... Kd5 53. Rc7 Bxb4 54. Rxg7 Bxa5 55. Kd3 (55. g4 $142 hxg4 56. Rxg4) 55... Nc5+ 56. Ke3 Be1 57. Ke2 Bb4 58. Rh7 a5 59. Rxh5 a4 60. Rh8 a3 {And now ...Ba5 would win.} 61. Ra8 Ne4 62. Kf3 Nc3 63. h5 a2 {Hoping for ...e4+.} 64. h6 {[#] Strongly threatening h7.} Bf8 $1 {[%mdl 512]} 65. h7 $15 Bg7 66. Ra7 $2 {[%mdl 8192]} ({White must play} 66. Kg4 $1 $15) 66... Bh8 67. Ra8 {[#]} e4+ $2 (67... f5 $1 $19 68. g4 e4+ 69. Kg2 e3 $1 70. Rxh8 a1=Q 71. Rd8+ Ke4 72. Re8+ (72. h8=Q $2 Qa2+ 73. Kh1 Ne2 $19) 72... Kf4) 68. Kf4 $2 {[%mdl 8192] [#]} (68. Kg2 $1 $11 {and White stays safe.}) 68... f5 $2 69. Rxh8 $11 {[%mdl 4096] Endgame KR-KN} Ne2+ 70. Ke3 {White threatens Rd8+ and mate.} (70. Kxf5 {with more complications.} Nxg3+ 71. Kg4 a1=Q 72. Rd8+ Kc4 73. h8=Q) 70... a1=Q 71. Rd8+ Kc4 72. h8=Q Qa3+ $2 {[%mdl 8192]} (72... Qxh8 $11 73. Rxh8 Nxg3) 73. Kxe2 Qf3+ 74. Ke1 Qxg3+ 75. Ke2 Qf3+ 76. Ke1 Qg3+ $1 77. Ke2 Qf3+ 78. Ke1 Qg3+ $1 {[%mdl 32768] Weighted Error Value: White=0.70/Black=0.49. An unexpected result.} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.14"]
[White "Finn, Chris"]
[Black "Varney, Zoe"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1943"]
[BlackElo "1917"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,58,16,30,46,51,48,53,25,26,14,56,0,0,1,11,0,51,0,0,0,73,72,60,0,0,0,0,0,0,0,0,-10,0,-140,-123,-29991,-29992]} 1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 Be7 5. Nbd2 Nbd7 6. Bd3 c5 7. c3 b6 8. O-O Bb7 9. Ne5 Nxe5 10. dxe5 Nd7 11. Bxe7 Qxe7 12. f4 O-O-O 13. Nf3 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} f6 14. Bb5 {[#]} h6 $146 ({Predecessor:} 14... fxe5 15. Bxd7+ Qxd7 16. Nxe5 Qc7 17. b4 Rd6 18. a4 a5 19. bxa5 bxa5 20. Rb1 Kb8 {0-1 (79) Dzagnidze,N (2545)-Lagno,K (2548) Geneve 2013}) 15. Qa4 {White is slightly better.} Kb8 16. b4 Rhg8 17. Bxd7 (17. Rab1 $14) 17... Rxd7 $11 18. bxc5 bxc5 19. Rab1 Rc7 (19... Ka8 $11) 20. Rb2 (20. Rb5 $1 $14) 20... Ka8 21. Rfb1 g5 (21... fxe5 $11 {remains equal.} 22. Nxe5 g5) 22. exf6 $16 Qxf6 {[#]} 23. Ne5 ({Better is} 23. Rxb7 $1 $14 Rxb7 24. Rxb7 Kxb7 25. Qb5+ (25. Ne5 Rc8 $11) 25... Ka8 26. Qc6+ Kb8 27. Ne5) 23... Qg7 $11 24. g3 gxf4 25. exf4 h5 26. Kf2 h4 27. g4 Rf8 {White must now prevent ...Qxe5.} 28. Ke3 {[#]} (28. Kg1 $11) 28... Qh7 $1 $17 {aiming for ...d4+!} 29. Qd4 $2 {[%mdl 8192]} cxd4+ {Weighted Error Value: White=0.56/Black=0.16} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.15"]
[White "Gurner, Jem"]
[Black "Shafi, Declan"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1800"]
[BlackElo "2166"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,97,7,72,72,68,20,74,10,12,20,18,21,20,0,0,0,0,0,10,0,29,0,62,12,12,12,12,12,16,11,12,12,13,0,0,0,49,38,168,170,167,39,43,-12,0,-7,-25,0,0,-67,-56,-80,0,0,51,39,59,62,130,122,89,87,185,169,301,222,522,515,462,408,372,-90,870,415,1039,637,615,563,714,623,646,611,29998,29999]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. O-O O-O 8. Nc3 c5 (8... c6 $11 {keeps the balance.}) 9. d5 $1 $16 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} exd5 10. Ne1 {[#]} Na6 $146 (10... b5 $11) ({Predecessor:} 10... Ne4 11. Nxd5 Bxd5 12. cxd5 Nxd2 13. d6 Bg5 14. Bxa8 Nxf1 15. Kxf1 Qf6 {½-½ (15) Burmakin,V (2578)-Skembris,S (2422) Schwaebisch Gmuend 2015}) 11. Nxd5 (11. cxd5 $16 d6 12. e4) 11... Nxd5 $11 12. cxd5 {aiming for d6!} d6 13. e4 Nc7 14. Nc2 f5 15. Ne3 fxe4 16. Bxe4 {And now Qh5 would win.} Bf6 17. Qc2 (17. Qh5 g6 $17) 17... h6 18. Rad1 Qd7 (18... Nb5 $11) 19. Bf5 Qe7 20. Rfe1 Bd4 21. Bc3 Bxc3 22. bxc3 {[%cal Bb2c3,Bc3c4][%mdl 32]} Qf6 $1 23. f4 Rae8 24. Be4 Nb5 25. a4 Nc7 {[%cal Bb5c7,Bc7a6,Ba6b4][%mdl 32]} (25... Nxc3 $2 26. Ng4 $18) (25... Rxe4 $5 26. Qxe4 Nxc3 {[%mdl 64] Double Attack} 27. Qe6+ Qxe6 28. dxe6 Nxd1 29. Rxd1 Rd8 $11) 26. Ng4 Qf7 (26... Qd8 $1 $14) 27. c4 $1 $18 Bc8 28. Ne3 (28. Bh7+ $18 Kh8 29. Bg6 $1 Rxe1+ 30. Rxe1) 28... Qf6 29. Kg2 ({White should try} 29. Bh7+ $14 Kh8 30. Bg6) 29... Bd7 $11 30. Bf3 Na6 31. Ng4 Qf7 32. Qb3 ({Better is} 32. Nf2 $1 $11) 32... Nb4 33. Nf2 {[#]} Bf5 ({Black should play} 33... g5 $1 $17) 34. Be4 Qd7 (34... Qg6 $11 35. Bxf5 Qxf5) 35. Re3 Bxe4+ 36. Nxe4 Re7 (36... a6 $14) 37. Rde1 $16 Rfe8 38. R1e2 Kf8 (38... a6 $16) 39. Qd1 Qg4 (39... Kg8 {keeps fighting.} 40. Qe1 Kh8) 40. h3 Qg6 (40... Qd7 {was worth a try.} 41. g4 a6) 41. f5 $1 $18 {[%cal Rf5g6]} Qh5 {Hoping for ...Rxe4!} 42. g4 ({Weaker is} 42. Nxd6 Qxe2+ 43. Qxe2 (43. Rxe2 Rxe2+ 44. Kf1 Re1+ 45. Qxe1 Rxe1+ 46. Kxe1 Ke7 $16) 43... Rxe3 $18) 42... Qh4 43. Qf1 $2 {[#]} (43. Qd2 $18) 43... Kg8 $2 {[%mdl 8192]} (43... Nc2 $1 $17 44. Qf4 (44. Rxc2 Rxe4) 44... Nxe3+ 45. Rxe3 Re5) 44. Qf4 (44. f6 $142 Rf7 45. Nxd6 Rxe3 46. Rxe3 Qxf6 47. Nxf7 Qxf1+ 48. Kxf1 Kxf7 49. d6) 44... Rd7 (44... Kh8 $142 45. Qf3 (45. Nxd6 $2 Nd3 $17) (45. Qxd6 Nc2 $16) 45... Re5 46. Nxd6 Rxe3 47. Rxe3 Rf8) 45. Nxd6 Rxe3 46. Rxe3 {Threatens to win with Re8+.} Nc2 47. Re8+ Kh7 {[#]} 48. Qe4 {f6+ would kill now.} Rxd6 (48... Ne3+ 49. Qxe3) 49. f6+ {Weighted Error Value: White=0.59/Black=0.54} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.29"]
[Round "6.16"]
[White "Oh, Julie"]
[Black "Shearsby, Jude"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1168"]
[BlackElo "1673"]
[Annotator "NA RC"]
[PlyCount "60"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 4. a3 {[%emt 0:00:00]} Bxc3+ {[%emt 0:00:00]} 5. bxc3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 6. e5 {[%emt 0:00:00]} Nge7 {[%emt 0:00:00]} 7. f4 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 8. Nf3 {[%emt 0:00:00]} f6 {[%emt 0:00:00]} 9. exf6 {[%emt 0:03:52]} Rxf6 {[%emt 0:00:00]} 10. Bd3 {[%emt 0:01:58]} Ng6 {[%emt 0:00:00]} 11. O-O {[%emt 0:03:55]} Qd6 {[%emt 0:12:07]} 12. Qe1 {[%emt 0:17:40]} Nxf4 {[%emt 0:04:17]} 13. Bxh7+ {[%emt 0:03:00]} Kxh7 {[%emt 0:00:21]} 14. Qh4+ {[%emt 0:02:39]} Kg8 {[%emt 0:00:14]} 15. Bxf4 {[%emt 0:04:44]} Qxf4 {[%emt 0:00:05]} 16. Qh5 {[%emt 0:03:15]} g6 {[%emt 0:01:08]} 17. Qg4 {[%emt 0:00:02]} Qxg4 {[%emt 0:00:06]} 18. h3 {[%emt 0:03:21]} Qg3 {[%emt 0:00:15]} 19. Rad1 {[%emt 0:00:57]} b6 {[%emt 0:00:26]} 20. Rd3 {[%emt 0:00:52]} Ba6 {[%emt 0:00:09]} 21. Rdd1 {[%emt 0:01:23]} Bxf1 {[%emt 0:00:07]} 22. Rxf1 {[%emt 0:00:48]} Raf8 {[%emt 0:00:05]} 23. Kh1 {[%emt 0:01:02]} Rxf3 {[%emt 0:00:12]} 24. gxf3 {[%emt 0:00:41]} Qxh3+ {[%emt 0:00:04]} 25. Kg1 {[%emt 0:00:03]} Qg3+ {[%emt 0:00:01]} 26. Kh1 {[%emt 0:00:04]} Kg7 {[%emt 0:00:01]} 27. Rf2 {[%emt 0:00:59]} Qxf2 {[%emt 0:00:05]} 28. f4 {[%emt 0:00:11]} Ra8 {[%emt 0:00:05]} 29. a4 {[%emt 0:00:13]} a5 {[%emt 0:00:03]} 30. f5 {[%emt 0:00:10]} Rh8# {[%emt 0:00:06]} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.1"]
[White "Fernandez, Daniel Howard"]
[Black "Adams, Michael"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2466"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,58,-9,9,4,0,-2,0,0,-8,-14,-5,-33,-10,-16,-15,-16,-16,-15,-16,-15,-11,-13,-10,-7,0,-14,-14,-24,-12,-18,-11,-14,-26,-61,-64,-52,-60,-54,-53,-37,-36,-38,-36,-38,-38,-38,-37,-41,-8,-19,-9]} 1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nd2 Bd6 5. Bg3 c5 6. Ngf3 {D00: 1 d4 d5: Unusual lines.} O-O 7. c3 Qc7 8. Bxd6 Qxd6 9. Ne5 Nfd7 10. Ndf3 Nc6 {[%cal Rd7e5]} 11. Nxc6 bxc6 {[%cal Bb7c6,Bc6c5,Bc5c4][%mdl 32]} 12. Bd3 {[#]} cxd4 $146 ({Predecessor:} 12... h6 13. O-O c4 14. Bc2 e5 15. dxe5 Nxe5 16. Nxe5 Qxe5 17. Qd4 Re8 18. Qxe5 Rxe5 19. b4 Bd7 {½-½ (42) Sulyok,S (2289)-Csernyiczky,L (2160) Hungary 2007}) 13. cxd4 c5 14. Qc2 h6 15. O-O c4 16. Be2 Ba6 17. Qc3 Rab8 18. Rab1 Rb6 19. Rfc1 Rfb8 20. Nd2 e5 21. dxe5 Qxe5 22. Qxe5 Nxe5 23. f4 Nc6 24. Bf3 Rxb2 25. Rxb2 Rxb2 26. Bxd5 Rxd2 27. Bxc6 Rxa2 28. Bd5 Ra5 29. Bxc4 Bxc4 {Weighted Error Value: White=0.05/Black=0.05} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.2"]
[White "Turner, Matthew J"]
[Black "Ghasi, Ameet K"]
[Result "1/2-1/2"]
[ECO "E63"]
[WhiteElo "2509"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,98,11,35,0,9,0,16,33,14,12,54,14,14,20,27,16,7,0,0,-51,13,0,0,-51,-49,-43,-43,-46,-46,-104,-102,-101,-76,-115,-119,-119,-119,-117,-110,-113,-120,-115,-117,-117,-111,-237,-234,-219,-200,-307,-294,-268,-260,-221,-218,-343,-343,-343,-348,-345,-345,-343,-319,-319,-312,-329,-247,-315,-298,-280,-215,-154,-8,-8,-8,-39,0,-8,0,-39,0,-8,0]} 1. d4 g6 2. Nf3 d6 3. g3 Bg7 4. Bg2 Nf6 5. c4 O-O 6. O-O Nc6 7. Nc3 a6 8. Re1 {8.b3 is becoming the main line.} Rb8 9. Rb1 Na5 10. Qd3 {E63: King's Indian: Fianchetto: Panno Variation with 7...a6.} b5 11. cxb5 {[#]} Bf5 $146 ({Predecessor:} 11... axb5 12. b4 Nc4 13. d5 Ng4 14. Nd4 e6 15. e3 exd5 16. Nxd5 Nge5 17. Qe2 Bg4 {0-1 (56) Adly,A (2631)-Wang,H (2718) Ningbo 2011}) 12. e4 Nxe4 13. Nxe4 {And now Nh4 would win.} d5 {[#]} 14. Nh4 $1 dxe4 (14... Bxe4 15. Bxe4) 15. Bxe4 Bxe4 16. Qxe4 Rxb5 17. Qxe7 Qd5 18. Be3 (18. b3 $11) 18... Nc4 ({Better is} 18... Nc6 $15 19. Qxc7 Nxd4) 19. Ng2 Nxe3 20. Nxe3 (20. fxe3 $11 Qxa2 21. Qxc7) 20... Qxa2 $15 21. d5 Bd4 22. Rbd1 Qxb2 23. Qxc7 {[#]} ({White should try} 23. h4 $15) 23... Rxd5 $3 $17 {[%mdl 512]} 24. Qc2 {Qxb2 is the strong threat.} (24. Nxd5 $2 {leads to mate.} Qxf2+ 25. Kh1 Qf3#) 24... Rc5 25. Qa4 Bxe3 26. Rxe3 Rf5 27. Rf1 a5 {[%cal Ba6a5,Ba5b4][%mdl 32]} 28. g4 Re5 29. Rfe1 Rxe3 30. Rxe3 Qb4 31. Qxb4 (31. Re4 $17 Qd2 32. h4) 31... axb4 {[%mdl 4096] Endgame KR-KR} 32. Rb3 Rb8 33. f4 (33. Kg2 $142) 33... Kf8 $19 34. Kf2 Ke7 35. Ke3 Kd6 36. Kd4 (36. Kd2 $142) 36... Kc6 37. Kc4 Re8 38. Rf3 {[#]} Re4+ $1 39. Kb3 Kb5 40. g5 Kc5 41. f5 Rh4 42. h3 Rc4 {aiming for ...Rc3+.} 43. f6 Re4 44. Rd3 Rf4 (44... h6 $17 45. gxh6 Rh4) 45. Rd7 $1 $11 Rf3+ 46. Kb2 Rf2+ (46... h6 $5 47. gxh6 Rxh3 $11) 47. Kb3 Rf3+ 48. Kb2 Rf2+ (48... h6 $5 49. gxh6 Rxh3 $11) 49. Kb3 Rf3+ {Black had all chances to win.  Weighted Error Value: White=0.24/Black=0.15} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.3"]
[White "Toczek, Grzegorz"]
[Black "Wadsworth, Matthew J"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2271"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,104,25,37,13,29,22,33,19,20,4,14,29,11,-8,0,-3,28,2,27,-98,-110,-140,-126,-85,-103,-123,-111,-148,0,0,0,0,0,0,0,-35,10,0,0,0,0,0,0,-139,-137,-420,-393,-633,-614,-565,-227,-226,-226,-219,-212,-212,-141,-204,-197,-226,-222,-525,-525,-525,-515,-558,-551,-558,-443,-443,-441,-495,-316,-308,-294,-482,-350,-8383,-6499,-29973,-29974,-29979,-29974,-29978,-29979,-29976,-29969,-29989,-29989,-29989,-29989]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 a6 7. Bd3 e6 8. Nf3 Bd6 {8...Bd6 scores better than 8...Be7.} 9. Bxd6 {D13: Slav Defence: Exchange variation without ...Bf5.} Qxd6 10. O-O b5 11. e4 {White is slightly better.} dxe4 12. Nxe4 Nxe4 13. Bxe4 {Hoping for Rc1.} Bb7 {[#]} 14. Qe2 $146 ({Predecessor:} 14. Rc1 O-O 15. Rc3 h6 16. Ne5 Rac8 17. Rg3 Nxe5 18. Bxb7 Rcd8 19. h4 Kh8 20. h5 {0-1 (31) Pandey,S (1963)-Li,Y (2289) New Delhi 2019}) 14... O-O 15. Rfd1 Na5 16. Rac1 Rad8 17. Rc5 (17. Rc3 $11 {keeps the balance.}) 17... Bxe4 $17 18. Qxe4 {[#] Strongly threatening Ng5.} Qxc5 {[%mdl 512]} 19. dxc5 Rxd1+ 20. Ne1 Rfd8 21. g3 {[#]} Nc4 (21... R8d5 $1 $17 22. Kg2 R1d4) 22. Kg2 $1 $11 R1d5 23. b4 a5 24. bxa5 Rxc5 25. Nd3 (25. Qb7 {feels hotter.} Rdc8 26. Nd3 R5c7 27. Qxb5 Ra8 28. a6) 25... Nd6 26. Qh4 (26. Qe2 {seems wilder.} Rc4 27. Qe3 Rcc8 28. a6 Nf5 29. Qe2) 26... Rcc8 27. a6 Nf5 28. Qe4 Rd4 $36 {[%mdl 2048] Black fights for an advantage.} 29. Qb7 (29. Qf3 $1 $11) 29... Nd6 $17 30. Qd7 {[%mdl 8192] Loses the game.} (30. Qf3 $17 Ra4 {[%mdl 64] Double Attack} 31. Qd1) 30... Rxd3 $19 31. a4 $2 (31. g4) 31... bxa4 32. a7 {[#] White wants to play Qxc8+!} Rdc3 33. Qxd6 {[%mdl 4096] Endgame [#] Black must now prevent Qb8. KQ-KRR} Ra8 34. Qb6 Rcc8 35. Qa5 a3 {[%mdl 64] Deflection} 36. Qxa3 (36. h4 $17 {keeps fighting.}) 36... Rc7 37. h4 Rcxa7 38. Qb3 (38. Qf3 {was the crucial defense.}) 38... h5 39. Qf3 g6 40. Qb3 Ra5 41. Qc4 Rf5 42. Qb3 Raa5 43. Qc4 Rac5 44. Qb3 Kh7 45. Kg1 $2 (45. Qb2) 45... Rf6 46. Qb2 $2 (46. Qd3) 46... Rf3 47. g4 hxg4 {Black mates.} 48. h5 Rxh5 49. Kg2 Rhf5 50. Kh1 g3 51. Kg1 gxf2+ 52. Kf1 Rg3 {Weighted Error Value: White=0.72/Black=0.31} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.4"]
[White "Lalic, Bogdan"]
[Black "Ismail, Mohammed Aayan"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2402"]
[BlackElo "1719"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,46,27,27,10,10,17,27,6,2,0,-1,-7,0,0,0,0,18,18,16,10,23,22,26,12,21,24,35,13,20,19,22]} 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. c4 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 O-O 8. Nc3 Ne4 9. Nxe4 Bxe4 10. Qf4 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} f5 11. O-O d6 12. c5 {White has an edge.} Nc6 13. cxd6 cxd6 14. Rac1 Nb4 15. Qd2 Nd5 ({Not} 15... Nxa2 $2 16. Ra1 $18) 16. Ne1 {[#] f3 is the strong threat.} Bxg2 17. Nxg2 Qd7 18. Nf4 Nxf4 19. Qxf4 Rac8 20. e4 fxe4 21. Qxe4 d5 {[#]} 22. Qe5 $146 ({Predecessor:} 22. Qg4 Rxc1 23. Rxc1 Rc8 24. Rxc8+ Qxc8 25. Kg2 {½-½ (38) Vallejo Pons,F (2707)-Safarli,E (2628) Nakhchivan 2011}) 22... Rxc1 23. Rxc1 {[#] Strongly threatening Rc7.} Rc8 {An uneventful encounter.  Weighted Error Value: White=0.08/Black=0.05} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.5"]
[White "Villiers, Thomas"]
[Black "Cox, Tristan A"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "2161"]
[BlackElo "2141"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,4,7,4,11,-5,7,3,2,8,5,6,39,0,0,0,0,0,5,2,-3,-76,-78,-185,-193,-184,-168,-490,-492,-535,-533,-595,-508,-506,-452,-455,-447,-652,-620,-692,-701,-645,-666,-663,-640,-617,-584,-696,-696,-937,-934,-2489,-2416,-6179,-5402,-12794,-6090,-5440,-5440,-5433,-5406,-29988,-29988,-29988,-29987]} 1. c4 e6 2. Nc3 d5 3. e3 Nf6 4. Nf3 b6 5. b3 Bb7 6. Bb2 {A17: English Opening: 1...Nf6 with ...Bb4.} Nbd7 7. Be2 Bd6 8. cxd5 {The position is equal.} exd5 9. Nb5 {[#]} Be7 $146 ({Predecessor:} 9... Bf8 10. Rc1 c5 11. d4 a6 12. Nc3 Bd6 13. Nh4 g6 14. Nf3 O-O 15. O-O Qe7 {0-1 (64) Mujunen,M (1923)-Klaus,E (2218) ICCF email 2017}) 10. Nbd4 c6 11. O-O g6 12. Rc1 Rc8 13. Ng5 O-O 14. f4 c5 15. Nf5 gxf5 $17 {Black converts the advantage convincingly.} 16. Bd3 {[#]} (16. Rf3 $17) 16... d4 $1 $19 {White must now prevent ...Ne4.} 17. Bxf5 h6 18. Nh7 $2 (18. Nf3) 18... Nxh7 19. Qg4+ Kh8 {aiming for ...Rg8.} 20. Bxd7 Rg8 21. Bxc8 {With the idea Qxg8+.} Rxg4 22. Bxg4 Bf6 {...dxe3 is the strong threat.} 23. Bf3 (23. Rcd1 $142) 23... Bxf3 24. Rxf3 dxe3 {[%mdl 64] [#] Discovered Attack} 25. Bxf6+ Nxf6 26. dxe3 Ne4 27. f5 f6 28. Rff1 Qd2 29. Rce1 b5 {[%cal Bb6b5,Bb5c4,Bc4c3,Bc3c2][%mdl 32]} 30. Kh1 c4 31. bxc4 bxc4 32. Rb1 c3 33. Rb8+ Kg7 34. Rfb1 Nd6 35. Ra8 c2 {[%cal Rc2b1]} 36. Rxa7+ Nf7 {[%cal Rc2b1] Weighted Error Value: White=1.10/Black=0.07} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.6"]
[White "Finn, Peter"]
[Black "O`Gorman, Tom"]
[Result "1/2-1/2"]
[ECO "B55"]
[WhiteElo "1959"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,104,17,17,19,18,14,24,14,24,4,44,-37,31,-38,-38,-106,-80,-77,-29,-25,-23,-23,-24,-27,-27,-29,-12,-7,-6,0,7,-6,8,0,37,-29,-25,-25,-25,-45,-49,-55,-47,-25,133,135,162,31,52,54,83,50,54,0,0,0,0,-24,0,-5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,17,0,10,11,11,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 Be7 {6...d5 is becoming the main line.} 7. c4 O-O 8. Be3 {B55: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3.} Be6 9. Nc3 a5 10. Bd3 {[#] White has an edge.} Nh5 $146 ({Predecessor:} 10... Na6 11. O-O Rc8 12. Nd5 a4 13. Nxe7+ Qxe7 14. Nd2 Nc5 15. Be2 Nfd7 16. b4 axb3 17. axb3 {1-0 (34) Oleksienko,M (2608)-Nguyen,T (2442) Czech Republic 2017}) 11. O-O Nd7 12. Na4 (12. Nc1 $14) 12... g6 (12... Bg5 $15 13. Bf2 Nf4) 13. c5 ({Better is} 13. Re1 $14) 13... dxc5 $15 {[#] ...c4 is the strong threat.} 14. Nbxc5 (14. Bb5 $15) 14... Nxc5 $17 15. Nxc5 Qb6 16. Qc1 {With the idea Nd7!} Rac8 {[%cal Re7c5]} 17. Nxe6 Qxe6 18. Qd2 Rfd8 19. Rfd1 Nf4 20. Bxf4 exf4 21. Qxa5 Rc5 22. Qa4 b5 (22... Qb6 $5 23. Kh1 $8 Qxb2 $11) 23. Qb3 ({Avoid the trap} 23. Bxb5 $2 Qb6 $19) 23... Qf6 24. Be2 ({Don't blunder} 24. Bxb5 $2 Qb6 $19) (24. Kh1 $14) 24... Rh5 25. h3 $1 Rxd1+ 26. Rxd1 Qb6+ 27. Kh1 Qf2 $1 {[%mdl 1024] [#] White must now prevent ...Rg5. Black has compensation.} 28. Qc2 $1 Bc5 $2 (28... Rg5 $11 29. Bd3 Rxg2 30. Qxf2 Rxf2) 29. Rf1 $16 Qe3 30. Qd3 (30. Bxb5 $18 {And now Bc4 would win.} Kg7 31. Bd3) 30... Bd4 31. Qxe3 fxe3 $14 {[%mdl 4096] Endgame KRB-KRB} 32. Rd1 (32. b4 {looks sharper.} Re5 33. Rc1 Bb2 34. Rb1 Bc3 35. Rb3) 32... Bxb2 33. Rd5 (33. Rb1 $14 Ba3 34. Rxb5 (34. Bxb5 Rxb5 35. Rxb5 e2 $17)) 33... Rxd5 $11 34. exd5 {KB-KB} b4 35. Kg1 Kf8 36. Kf1 {The position is equal.} Ke7 37. Bc4 Kd6 38. Ke2 Bd4 39. Kd3 Bc5 40. Bb3 Ke5 41. d6 Kxd6 42. Bxf7 Ke5 43. g3 Kf5 44. Ke2 h5 45. Be8 Kg5 46. Bf7 Kh6 47. f4 g5 48. fxg5+ Kxg5 49. Be8 Bb6 50. Bf7 h4 51. gxh4+ Kxh4 52. Be6 Kg3 {Weighted Error Value: White=0.19/Black=0.17} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.7"]
[White "Grieve, Harry"]
[Black "Volovich, Julia"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "2351"]
[BlackElo "1674"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,67,14,27,0,0,0,0,0,0,4,0,-2,5,5,23,0,23,0,14,-4,29,0,162,158,320,321,462,446,446,393,422,402,416,356,1204,1218,1222,1204,1454,1451,1427,1389,1339,1170,1831,775,1155,608,594,594,691,690,653,679,653,645,715,630]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Be2 {C08: French Tarrasch: 3...c5 4 exd5 exd5 sidelines.} Nc6 8. O-O cxd4 9. Nb3 {The position is equal.} Bd6 {[#]} 10. Bg5 $146 ({Predecessor:} 10. Nbxd4 a6 11. c3 O-O 12. h3 Qc7 13. Be3 Ne4 14. Nb3 Be6 15. Bd3 f5 16. Ng5 Nxg5 17. Bxg5 {½-½ (28) Berchtold,A (2005)-Sprenger,W (1780) Wattens 1997}) 10... O-O 11. Nbxd4 a6 12. c3 Re8 13. Bh4 Bg4 14. Qd3 Re4 15. Bg3 Nh5 (15... Bxg3 {looks sharper.} 16. hxg3 Re7 17. Qc2 Qa5 18. Bd3 Rae8) 16. Bxd6 {[%mdl 64] Bg3 is the strong threat. Overworked Piece} Qxd6 {[#]} (16... Nxd4 $1 $11 {and Black stays safe.} 17. Nxd4 Bxe2 18. Nxe2 Qxd6) 17. Ng5 $1 $18 {And now Bxg4 would win.} Nxd4 $2 {Black cannot hold the game after this.} (17... Qg6 $16 {is a better defense.} 18. Nxe4 dxe4) 18. Bxg4 Rxg4 (18... Nf6 $142) 19. Qxh7+ {[%mdl 64] Double Attack} Kf8 20. Qxh5 {[%csl Gg5][%cal Rh5f7]} Ne2+ 21. Kh1 {[%csl Gg5][%cal Rh5f7]} Qf4 {Black wants to play ...Rh4.} 22. Nh3 Qc4 (22... Qe4 23. f3 Rh4 24. fxe4 Rxh5) 23. Qh8+ {White is clearly winning.} Ke7 24. Qxa8 Rxg2 25. Qxb7+ (25. Kxg2 $2 Qg4+ 26. Kh1 Qf3#) 25... Kf6 26. Qb6+ (26. Kxg2 $2 Qg4+ 27. Kh1 Qf3#) 26... Kf5 27. Qe3 (27. Kxg2 $2 {gets mated.} Qg4+ 28. Kh1 Qf3#) 27... Qg4 28. Rg1 Nxg1 29. Rxg1 Rxg1+ 30. Nxg1 Qc4 31. b3 Qe4+ 32. Qxe4+ Kxe4 33. Ne2 Kf3 {[#]} 34. c4 $1 {Weighted Error Value: White=0.44/Black=0.51} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.8"]
[White "Tanmay Chopra"]
[Black "Balaji, Aaravamudhan"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2273"]
[BlackElo "2206"]
[Annotator "RC"]
[PlyCount "89"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 5. h3 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 6. Be3 {[%emt 0:00:00]} Na6 {[%emt 0:00:00]} 7. Nf3 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 8. d5 {[%emt 0:00:00]} Nh5 {[%emt 0:04:06]} 9. Nd2 {[%emt 0:00:00]} Qe8 {[%emt 0:01:26]} 10. g3 {[%emt 0:02:05]} f5 {[%emt 0:03:31]} 11. exf5 {[%emt 0:00:26]} gxf5 {[%emt 0:00:00]} 12. Be2 {[%emt 0:00:01]} Nf6 {[%emt 0:00:32]} 13. Bg5 {[%emt 0:06:14]} Bd7 {[%emt 0:10:50]} 14. g4 {[%emt 0:02:05]} Nc5 {[%emt 0:01:47]} 15. Be3 {[%emt 0:01:21]} Nfe4 {[%emt 0:07:37]} 16. Ndxe4 {[%emt 0:02:46]} Nxe4 {[%emt 0:00:03]} 17. Nxe4 {[%emt 0:00:07]} fxe4 {[%emt 0:00:00]} 18. Qc2 {[%emt 0:00:13]} Rf4 {[%emt 0:02:37]} 19. O-O-O {[%emt 0:01:53]} Ba4 {[%emt 0:03:05]} 20. b3 {[%emt 0:00:05]} Bd7 {[%emt 0:00:01]} 21. Rde1 {[%emt 0:00:33]} c6 {[%emt 0:01:59]} 22. dxc6 {[%emt 0:00:57]} Bxc6 {[%emt 0:03:37]} 23. Rd1 {[%emt 0:01:00]} Bf8 {[%emt 0:01:42]} 24. Kb1 {[%emt 0:00:29]} Qf7 {[%emt 0:01:43]} 25. Rhf1 {[%emt 0:00:14]} Be7 {[%emt 0:01:40]} 26. Bxf4 {[%emt 0:12:22]} exf4 {[%emt 0:00:37]} 27. f3 {[%emt 0:00:02]} Re8 {[%emt 0:03:32]} 28. fxe4 {[%emt 0:00:22]} Bf8 {[%emt 0:00:30]} 29. Bd3 {[%emt 0:00:53]} Bg7 {[%emt 0:00:09]} 30. Rf3 {[%emt 0:00:23]} Qf6 {[%emt 0:00:24]} 31. Kc1 {[%emt 0:00:02]} Qa1+ {[%emt 0:00:17]} 32. Kd2 {[%emt 0:00:54]} Qd4 {[%emt 0:00:02]} 33. Ke2 {[%emt 0:01:35]} Be5 {[%emt 0:00:12]} 34. Kf1 {[%emt 0:02:00]} Qc5 {[%emt 0:00:19]} 35. Qd2 {[%emt 0:00:47]} Rf8 {[%emt 0:00:21]} 36. b4 {[%emt 0:01:15]} Qb6 {[%emt 0:00:47]} 37. b5 {[%emt 0:00:01]} Bd7 {[%emt 0:00:08]} 38. Qf2 {[%emt 0:01:06]} Bd4 {[%emt 0:00:14]} 39. Qh4 {[%emt 0:00:01]} Qc5 {[%emt 0:00:10]} 40. e5 {[%emt 0:02:47]} Rf7 {[%emt 0:00:03]} 41. Qg5+ {[%emt 0:00:02]} Kf8 {[%emt 0:00:39]} 42. Rxf4 {[%emt 0:00:22]} Be6 {[%emt 0:00:07]} 43. Rxf7+ {[%emt 0:00:36]} Kxf7 {[%emt 0:00:12]} 44. Qf6+ {[%emt 0:00:01]} Kg8 {[%emt 0:00:10]} 45. Qxe6+ {[%emt 0:00:01]} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.9"]
[White "Blackburn, Jonathan L B"]
[Black "Wille, Thomas"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2235"]
[BlackElo "2048"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,132,10,46,38,31,39,28,24,35,32,41,32,29,37,27,25,32,14,30,0,0,0,0,-9,11,-19,39,37,59,65,71,43,48,28,34,29,45,34,103,110,112,84,96,97,116,113,115,100,123,122,131,84,98,85,107,16,16,0,63,60,67,45,151,151,151,143,151,137,137,137,151,151,319,321,375,451,440,371,456,472,555,555,872,476,373,365,1381,503,513,480,482,0,460,0,457,448,410,385,396,405,673,660,820,747,596,597,1576,1560,2820,2882,2343,2380,5073,1826,29979,4364,1655,0,29979,29980,29999]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 Nxd5 8. Rc1 {D52: Queen's Gambit Declined: Cambridge Springs Variation.} Nxc3 9. bxc3 Ba3 10. Rc2 {White has an edge.} b6 11. Bd3 Ba6 12. O-O Bxd3 13. Qxd3 O-O 14. c4 Rfe8 15. Bf4 {[#]} Bf8 $146 ({Predecessor:} 15... Be7 16. e4 Rad8 17. Rd1 Qa6 18. h3 Nf8 19. Bg3 Ng6 20. Qb3 Rd7 21. d5 Bc5 {½-½ (54) Brynell,S (2484)-Stern,R (2499) Rostock 2013}) 16. e4 Rad8 17. e5 h6 18. Rd1 b5 19. Bd2 bxc4 (19... b4 $11) 20. Qxc4 $14 Qd5 21. Qxc6 Nb6 22. Qxd5 Nxd5 23. Rb2 Rb8 24. Rdb1 Rxb2 25. Rxb2 Nb6 ({Black should try} 25... Rc8 $14) 26. Kf1 $16 g5 27. h3 Rc8 28. Ke2 $1 Kg7 29. Kd3 Kg6 30. Nh2 Nd5 31. g3 Rc6 32. Ng4 Ra6 {[#]} 33. Ne3 $1 Ra3+ 34. Kc2 (34. Rb3 $16) 34... Nb6 $1 $11 35. Kb1 Ra4 (35... Rd3 $11) 36. Bc3 $14 h5 37. Rb5 Nc4 {Black is on the road to losing.} (37... h4 $14) 38. Nxc4 $16 Rxc4 {[%mdl 4096] Endgame KRB-KRB} 39. Kb2 Rc7 40. Rb8 Be7 41. g4 hxg4 42. hxg4 f5 $2 {[#]} (42... f6 $16) 43. f3 $1 $18 Ba3+ 44. Kb3 ({Weaker is} 44. Kxa3 Rxc3+ 45. Kb4 Rxf3 $16) 44... Bc1 45. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} fxg4 46. fxg4 Kf7 47. a5 Ke7 48. Rh8 Kd7 49. Kc2 {Hoping for Rh7+.} Bf4 $2 (49... Ba3 50. Kd3 Be7) 50. Kd3 (50. Rh7+ $142 Kc6 51. Rh8) 50... Kc6 51. Re8 Kd7 52. Rh8 Kc6 $1 53. Re8 Kd7 54. Rg8 Kc6 55. Bd2 Bxd2 56. Kxd2 {KR-KR} Kd5 (56... Rb7 $142 57. Ke3 (57. Rxg5 Kd5 $18) 57... Rb5 58. Rxg5 Rxa5) 57. Kd3 Rf7 {intending ...Rf3+.} 58. Rd8+ Kc6 59. Rd6+ {[%mdl 64] Double Attack} Kc7 60. Rxe6 Rf4 61. Re7+ Kc6 62. Rxa7 Rxg4 63. Rg7 (63. Kc4 $142 Rf4 64. Rg7) 63... Rg3+ 64. Ke4 (64. Kc4 $142 Rg4 65. a6 Rg1 66. d5+ Kb6 67. a7 Rg4+ 68. Kd3 Rg3+ 69. Ke4 Rg4+ 70. Ke3 Rg3+ 71. Kf2) 64... Rg4+ 65. Kd3 (65. Kf5 $18 Rxd4 66. a6) 65... Rg3+ $1 66. Kc4 {[%csl Gc4][%cal Rd4d5]} Ra3 67. d5# {Weighted Error Value: White=0.44/Black=0.25} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.10"]
[White "Hebden, Mark L"]
[Black "Goss, Alex"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2453"]
[BlackElo "1833"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,10,14,33,31,34,52,57,100,104,136,131,125,130,141,88,109,99,115,103,124,122,148,144,195,106,185,-2,-7,-120,-17,0,-62,-71,-54,-320,-171,-167,-148,-146,-114,-117,-106,-82,-42,-151,-150,-142,-122,-135,-135,-123,-120,-132,-16,-289,-289,-343,-73,-85,-75,-57,-141,-95,-127,-252,-245,-484,532,579,592,592,592,592,592,592,850,839,29986,29987,29987,29988,29987,29988,29991,29992,29994,29993,29995,29996]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. e3 a6 5. dxc5 Nc6 6. a3 {D00: 1 d4 d5: Unusual lines.} e5 7. Bg5 d4 8. exd4 {White is slightly better.} exd4 {[#]} 9. Ne4 {[%mdl 64] Pin} Qd5 (9... h6 10. Bxf6) 10. Nxf6+ gxf6 11. Bxf6 Rg8 {[#]} 12. Nf3 $146 ({Better is} 12. Qf3 Qe6+ 13. Be2) ({Predecessor:} 12. Qf3 Qxc5 13. O-O-O Bh6+ 14. Kb1 Bg4 15. Qe4+ Kf8 16. Qxh7 Bf4 17. Qd3 Rc8 18. g3 {½-½ (29) Nakamura,H (2775)-Fressinet,L (2717) Dubai 2014}) 12... Bxc5 $16 13. Bh4 Bg4 14. Be2 $1 Qe4 15. Bg3 O-O-O 16. O-O f5 (16... Qd5 $16 17. Qd2 Bd6) 17. Bd3 (17. Re1 $18 {aiming for Bc4.} Qd5 18. b4) 17... Qd5 (17... Qe6 $16 {keeps fighting.}) 18. Kh1 $2 (18. Qd2 $18) 18... f4 $1 $11 {[%cal Rf4g3]} 19. Bh4 (19. Bxh7 $2 Rg7 $19) (19. Bxf4 $11 Rdf8 20. Bg3 (20. Bxh7 $2 Rg7 $19) 20... Rxf3 21. Be2 {[%mdl 64] Pin} Rxg3 22. fxg3) 19... Rde8 (19... Rd6 $1 $17 20. b4 (20. Bxh7 $2 Rh8 $19) 20... Bb6) 20. h3 (20. Bxh7 $2 Rh8 $19) 20... Bh5 {And now ...Ne5 would win.} 21. c4 (21. Bxh7 $2 Rh8 $19) 21... dxc3 $1 22. Bxh7 $2 {[%mdl 8192]} (22. bxc3 $15 Rxg2 23. Kxg2 Rg8+ 24. Bg3 Bxf2 {[%mdl 64] Remove Defender} 25. Rxf2 Rxg3+ 26. Kh2 Bxf3 27. Rxf3 Qxf3 28. Qxf3 Rxf3 29. Bxh7) 22... Bxf3 (22... Nd4 $142 23. Bxg8 Rxg8 24. bxc3 Rxg2 $3 {[%mdl 576] Remove Defender} 25. Kxg2 (25. cxd4 $2 Bxf3 26. Qd3 Rxf2+ 27. Kg1 Bxd4 $19) 25... Bxf3+ 26. Kh2 Bxd1 27. cxd4 Be2 28. dxc5 Bxf1 29. Rxf1 Qxc5) 23. Qxf3 $19 Qxf3 24. gxf3 cxb2 $40 {[%mdl 128] Black goes for the king.} 25. Rab1 Rh8 ({Inferior is} 25... Bxa3 26. Bxg8 Rxg8 27. Bf6 $16) 26. Bf5+ Kb8 27. Bg5 (27. Bf6 $1 $15) 27... Ref8 $17 28. Bg4 Rhg8 29. h4 Bxa3 30. Rfd1 Ne5 31. Rd4 b5 ({Black should play} 31... Ka8 $17 {Threatening ...Rg6.} 32. Kg2 Nxg4 33. fxg4 Rc8) 32. Rxf4 $2 {[%mdl 8192]} (32. Bxf4 $11 Rxf4 33. Rxf4) 32... Nxg4 $19 33. fxg4 Kb7 $2 (33... Rc8 $1 $19 {[%cal Rc8c1] and Black stays clearly on top. ...Rc1+ is the strong threat.} 34. Rd4 Rc1+ 35. Bxc1 bxc1=Q+ 36. Rxc1 Bxc1) 34. Rxf8 $17 Rxf8 {[%mdl 4096] Endgame KRB-KRB} 35. Kg2 Kc6 36. h5 Kd5 $1 {[%cal Rd5d4] Threatens to win with ...Kd4.} 37. h6 (37. Bh6 $17 {might work better.} Rg8 38. g5) 37... Kc4 $1 $19 38. h7 $2 {[#]} (38. Be3 Kd3 39. Rd1+ Kc2 40. Rd2+ Kb3 41. Rd1) 38... Kb3 $4 {[%mdl 8192] [#]} (38... Rh8 $1 $19 39. Bf6 Rxh7 40. Bxb2 Bxb2 41. Rxb2 b4) 39. Bf6 $1 $18 {[%mdl 512]} Kc2 {[#]} (39... Rxf6 40. h8=Q) 40. Rxb2+ {[%mdl 512]} Bxb2 41. Bxb2 Kxb2 {KR-K3P} 42. g5 a5 43. g6 {Black must now prevent g7.} a4 44. g7 {White mates.} Re8 45. h8=Q Rxh8 46. gxh8=Q+ Kb1 47. Qc3 Ka2 48. Kf1 a3 49. Ke2 {Weighted Error Value: White=0.48/Black=0.47} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.11"]
[White "Gordon, Sean"]
[Black "Gurner, Jem"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2039"]
[BlackElo "1800"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,18,38,29,32,26,55,52,56,55,93,95,107,88,118,27,31,-20,-37,-81,-55,40,-55,-55,-55,-58,-60,-62,-34,-34,-2,-6,6,0,0,0,0,-33,-33,-33,-34,-109,-111,-300,-306,-287,-282,-298,-118,-340,-347,-318,-216,-276,-256,-287,-271,-440,-437,-418,-329,-409,-406,-397,-383,-479,-467,-521,-474,-12839,-12839,-12840,-12840,-12843,-12843]} 1. d4 g6 2. e4 Bg7 3. c4 d6 4. Nc3 e5 5. Nf3 Nc6 {[%cal Rc6d4]} 6. dxe5 {A42: Modern Defence: Averbakh Variation.} Nxe5 {is the legacy move (6...dxe5).} 7. Be2 Ne7 8. Nxe5 {White is slightly better.} Bxe5 9. Bh6 {[#]} f5 $146 {[#]} ({Predecessor:} 9... Ng8 10. Be3 f5 11. exf5 Bxf5 12. Qb3 Nf6 13. Rd1 Qe7 14. Qxb7 O-O 15. Nd5 Nxd5 16. Qxd5+ {1-0 (78) Kotanjian,T (2568)-Chibukhchian,A (2444) Yerevan 2009}) 10. f4 $1 {[%cal Rf4e5]} Bf6 11. O-O Be6 12. Nd5 (12. Re1 $16) 12... Bxd5 $11 13. exd5 (13. cxd5 $14 Qd7 14. Qc2) 13... Ng8 14. Qa4+ Qd7 15. Qxd7+ Kxd7 16. Bg5 Bxb2 {And now ...Bd4+ would win.} 17. Rab1 Bd4+ 18. Kh1 Rb8 19. Bd1 Nf6 {Strongly threatening ...Ne4.} 20. Ba4+ c6 {[#]} 21. Rxb7+ $1 {[%mdl 64] Remove Defender} Rxb7 22. dxc6+ Kc7 23. cxb7 (23. Bxf6 {seems wilder.} Bxf6 24. cxb7 Rb8 25. Rb1 Bd4 26. g3) 23... Ne4 24. Bh4 Rb8 25. h3 {White is now going downhill.} (25. Rd1 Bf2 $17) ({White should play} 25. g4 $15) 25... Rxb7 $17 26. Be1 $2 (26. Bb3 $17 {keeps fighting.}) 26... Rb2 $19 27. Bb3 Kc6 28. Kh2 h6 $2 (28... Rb1 $19 {has better winning chances. White must now prevent ...Bc3.} 29. Ba4+ Kb7) 29. Bg3 $2 (29. Ba4+ $17 Kc5 30. Be8) 29... Nd2 30. Rd1 Be3 ({Don't play} 30... Nxb3 31. axb3 Kc5 32. Rd3 $19) 31. Ra1 g5 32. fxg5 hxg5 {aiming for ...f4.} 33. Kh1 $2 (33. Ba4+ Kc5 34. Be1) 33... Nxb3 34. axb3 Rxb3 {[%mdl 4096] Endgame KRB-KRB} 35. Ra6+ Rb6 36. Ra1 Rb4 37. h4 gxh4 {Black is clearly winning.} 38. Bxh4 Rxc4 {[%cal Rc4h4]} 39. g3 (39. Be1 $142) 39... Rc1+ 40. Rxc1+ Bxc1 41. Bf6 a5 {Weighted Error Value: White=0.56/Black=0.16} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.12"]
[White "Shearsby, Jude"]
[Black "Stubbs, Oliver"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1673"]
[BlackElo "1905"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,-11,5,-6,14,0,16,14,33,0,0,-8,0,0,0,-9,0,0,26,-31,111,0,125,-58,-55,-64,-84,-98,0,0,0,0,33,29,43,-339,-331,-603,-391,-359,-368,-634,-458,-29988,-29989,-29989,-29990,-29990,-29991,-29991,-29990,-29990,-775,-718,-690,-2222,-2145,-29983,-29982,-29985,-29986,-29986,-29987]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 h5 6. Nf3 {A45: Trompowsky Attack.} O-O 7. Ne5 c5 8. Qd2 {The position is equal.} Nc6 9. O-O-O cxd4 10. exd4 Bf5 11. Nxc6 bxc6 12. f3 c5 13. Be5 {[#]} c4 $146 ({Predecessor:} 13... Rc8 14. Ba6 cxd4 15. Qxd4 Rc6 16. Bb7 Rc7 17. Ba6 e6 18. Kb1 Qe7 19. g4 hxg4 {½-½ (39) Johansen,J (2331)-Haugen,A (2437) ICCF email 2018}) 14. Be2 (14. Kb1 $11) 14... a5 (14... Qb6 $15 {stays ahead.}) 15. Rdg1 (15. g4 $1 $16 {[%cal Rg4f5]} Be6 16. Rdg1) 15... a4 (15... Qb6 $11 {remains equal.}) 16. Bxf6 $2 (16. g4 $16 Bd7 17. gxh5 Nxh5 18. f4 (18. Nxd5 a3 $14)) 16... Bxf6 $15 17. g4 hxg4 18. fxg4 {[#]} Be4 (18... Be6 $1 $17 {White must now prevent ...Qb6.} 19. h5 g5) 19. Nxe4 $11 dxe4 20. c3 a3 {Threatens to win with ...Rb8.} 21. Bxc4 {Strongly threatening b3.} axb2+ 22. Qxb2 $2 {[%mdl 8192] This costs White the game.} (22. Kb1 $1 $14 {was forced to keep a grip.}) 22... Qc7 $19 23. Bd5 (23. Bb3 Bxd4 {[%mdl 64] Double Attack} 24. Rf1) 23... Ra5 24. Bb3 Bxd4 $1 {[%mdl 64] Double Attack} 25. Rf1 $2 (25. h5 Bxg1 26. Rxg1) 25... Rc5 26. Qe2 (26. Kb1 $19 Rxc3 27. Rc1) 26... Rxc3+ 27. Kb1 {[#]} Rxb3+ $1 {[%mdl 576] Clearance} 28. axb3 Qc3 29. Rh3 Qxh3 30. Qc4 {[#]} Qc3 (30... Ra8 $142 $1 31. Qxd4 Qxf1+ 32. Kc2 Rc8+ 33. Qc4 Rxc4+ 34. bxc4 Qxc4+ 35. Kb2 e3 36. h5 e2 37. h6 e1=Q 38. h7+ Kxh7 39. g5 Qec1#) 31. Qxc3 Bxc3 32. Rf4 f5 33. h5 e5 {Black mates.} 34. Rf1 e3 35. Kc2 {[#]} e2 $1 {Weighted Error Value: White=1.16/Black=0.55} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.13"]
[White "Arora, Tashika"]
[Black "Idle, Oscar"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1744"]
[BlackElo "1722"]
[Annotator "NA RC"]
[PlyCount "86"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. c4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 5. cxd5 {[%emt 0:00:00]} exd5 {[%emt 0:00:00]} 6. g3 {[%emt 0:00:00]} Bd6 {[%emt 0:00:00]} 7. Bg2 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 8. O-O {[%emt 0:00:00]} Re8 {[%emt 0:00:00]} 9. Qc2 {[%emt 0:00:00]} Nbd7 {[%emt 0:00:00]} 10. Rd1 {[%emt 0:00:00]} Qe7 {[%emt 0:00:00]} 11. e3 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 12. Bd2 {[%emt 0:00:00]} Nb6 {[%emt 0:00:00]} 13. Re1 {[%emt 0:00:00]} Ne4 {[%emt 0:00:56]} 14. Bc1 {[%emt 0:00:00]} f5 {[%emt 0:02:42]} 15. Nd2 {[%emt 0:00:06]} Qg5 {[%emt 0:09:26]} 16. Qb3 {[%emt 0:01:31]} Bc7 {[%emt 0:03:59]} 17. Ndxe4 {[%emt 0:00:22]} fxe4 {[%emt 0:00:43]} 18. a4 {[%emt 0:03:26]} Kh8 {[%emt 0:00:57]} 19. Qc2 {[%emt 0:01:03]} Re6 {[%emt 0:02:59]} 20. h4 {[%emt 0:02:36]} Qe7 {[%emt 0:03:37]} 21. b3 {[%emt 0:01:03]} Rg6 {[%emt 0:03:02]} 22. Ba3 {[%emt 0:02:31]} Qf6 {[%emt 0:00:49]} 23. Rf1 {[%emt 0:02:41]} Bg4 {[%emt 0:01:33]} 24. Bc5 {[%emt 0:12:00]} Nd7 {[%emt 0:01:35]} 25. Ba3 {[%emt 0:00:45]} Rc8 {[%emt 0:00:21]} 26. Ne2 {[%emt 0:03:38]} Rh6 {[%emt 0:02:16]} 27. Rfc1 {[%emt 0:07:41]} g5 {[%emt 0:02:37]} 28. hxg5 {[%emt 0:00:34]} Qxg5 {[%emt 0:01:24]} 29. Kf1 {[%emt 0:00:17]} Bf3 {[%emt 0:03:07]} 30. Ng1 {[%emt 0:00:45]} Bxg2+ {[%emt 0:00:54]} 31. Kxg2 {[%emt 0:00:04]} Rg8 {[%emt 0:00:56]} 32. Kf1 {[%emt 0:04:12]} Bxg3 {[%emt 0:03:48]} 33. Ke1 {[%emt 0:02:50]} Qxe3+ {[%emt 0:02:30]} 34. Qe2 {[%emt 0:00:25]} Bxf2+ {[%emt 0:00:16]} 35. Kd1 {[%emt 0:00:24]} Rxg1+ {[%emt 0:00:05]} 36. Kc2 {[%emt 0:00:09]} Qxe2+ {[%emt 0:00:06]} 37. Kb1 {[%emt 0:00:29]} Rxc1+ {[%emt 0:00:36]} 38. Bxc1 {[%emt 0:00:10]} Rh3 {[%emt 0:00:13]} 39. Ra3 {[%emt 0:00:18]} Bxd4 {[%emt 0:00:15]} 40. Ra2 {[%emt 0:00:31]} Rxb3+ {[%emt 0:00:05]} 41. Rb2 {[%emt 0:00:14]} Rxb2+ {[%emt 0:00:02]} 42. Ka1 {[%emt 0:00:06]} Rb5+ {[%emt 0:00:10]} 43. Bb2 {[%emt 0:00:04]} Qxb2# {[%emt 0:00:01]} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2020.12.30"]
[Round "7.14"]
[White "Shafi, Declan"]
[Black "Finn, Chris"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2166"]
[BlackElo "1929"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,123,9,5,-5,0,0,0,0,55,59,41,12,43,50,58,45,97,47,59,43,55,39,51,29,45,29,102,98,110,81,110,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-112,-129,-113,-104,-114,-118,-292,-242,-223,-44,-147,-27,-135,-17,-20,0,0,0,0,0,0,0,0,0,-34,0,-20,-8,-121,-133,-162,-136,-83,-5,-8,-8,-8,292,292,648,332,331,322,282,91,91,91,29966,116,277,131,1030,518,29984,457]} 1. d4 e6 2. Nf3 d5 3. e3 Nf6 4. Bd3 Be7 5. O-O O-O 6. Nbd2 b6 7. Ne5 {D05: Colle System with ...e6.} c5 8. b3 Qc7 9. Bb2 {[#] The position is equal.} Bd6 $146 (9... Bb7 $11) ({Predecessor:} 9... Nc6 10. Nxc6 Qxc6 11. Nf3 Bb7 12. Ne5 Qc7 13. dxc5 bxc5 14. Ng4 Nd7 15. f4 f5 {½-½ (52) Garbett,P (2197)-Wallis,C (2320) Auckland 2018}) 10. f4 $14 Bb7 11. c4 dxc4 12. Ndxc4 Be7 13. Rc1 Qd8 ({Black should try} 13... Nc6 $14) 14. Qe2 cxd4 15. Bxd4 Nbd7 16. f5 Nc5 17. Bb1 exf5 18. Rxf5 Ne6 (18... g6 $11 19. Rf2 Nfe4 20. Bxc5 Nxc5) 19. Bb2 $16 b5 {[#]} 20. Rd1 $1 Qc7 {[#]} 21. Nd2 (21. Rxf6 $1 $16 {[%mdl 512]} Bxf6 22. Rd7 $1 Bxe5 23. Rxc7 Bxc7 24. Qh5 $1) 21... a6 22. Rdf1 Rad8 23. Rxf6 Bxf6 24. Rxf6 {Hoping for Qh5!} Rxd2 $1 25. Qxd2 gxf6 26. Nd7 Rd8 27. Nxf6+ Kf8 $1 28. Nxh7+ Ke8 $1 29. Qe1 Qd6 {...Qd1 is the strong threat.} 30. Nf6+ Ke7 {And now ...Qd1 would win.} 31. Ne4 Bxe4 ({Don't blunder} 31... Qd1 $2 32. Ba3+ Nc5 33. Kf2 $18) 32. Bxe4 Qd1 $40 {[%cal Rd1e1][%mdl 128] White needs to defend precisely.} 33. Ba3+ Kf6 {[%cal Rd1e1]} 34. Kf1 Ng5 35. Bb7 (35. Qxd1 $1 $11 Rxd1+ 36. Ke2) 35... Qc2 $17 36. Qf2+ Qxf2+ 37. Kxf2 {[%mdl 4096] Endgame KRN-KB} Rd2+ 38. Kg3 $2 (38. Ke1 $17 Rxa2 39. Bd6) 38... Rxa2 39. Bb4 {h4 would now be nice for White.} Ne6 $2 (39... a5 $19 40. Bc3+ Kf5) 40. h4 ({Only move:} 40. Be4 $1 $15 Ng5 41. Bc3+ Ke6 42. Bb1) 40... Kg6 (40... a5 $1 $17 {[%cal Ra5b4]} 41. Bc3+ Kg6) 41. Kf3 (41. Be4+ $11 Kh6 42. Kf3) 41... Kh5 (41... a5 $1 $17 {[%cal Ra5b4]} 42. Bc3 b4) 42. Be1 Ra1 43. g4+ Kg6 44. Bc3 Rh1 45. Be4+ Kh6 46. Kg3 Rg1+ 47. Bg2 (47. Kh3 {is more complex.} Rc1 48. g5+ Kh5 49. Bf3+ Kg6 50. Be4+) 47... Rc1 48. Be5 (48. Bb2 {is interesting.} Rg1 49. Bc3) 48... Rc5 49. g5+ (49. Bf6 $1 $11 {remains equal.}) 49... Kh7 $1 50. Be4+ Kg8 51. Bf6 (51. Bb2 $142) 51... Ng7 ({Better is} 51... a5 $1 $17 52. Kf3 a4 53. bxa4 bxa4) 52. Kg4 a5 53. h5 {[#] Black must now prevent h6.} Nxh5 {[%mdl 8192]} 54. Kxh5 $18 a4 $2 (54... Rc7 55. Bd5 Kf8) 55. Bd4 Rc1 {intending ...a3.} 56. bxa4 bxa4 {[#]} 57. Kg4 $2 (57. Kh6 $1 $18 {White wants to mate with Bg7.} Kf8 58. Bb2) 57... a3 $16 {Black wants to play ...a2.} 58. Bd5 Rc8 $2 {[%mdl 8192]} (58... Kf8 $16) 59. Kf5 $2 (59. g6 $1 {mates} Kf8 60. gxf7 Rc7 61. Kg5 Rxf7 62. Bc5+ {[%mdl 64] Double Attack, Zwischenzug} Kg7 63. Bxf7 Kxf7 64. Bxa3) 59... Rd8 $2 {[#]} (59... Kf8 $16 {keeps fighting.} 60. Ke4 Rc1) 60. e4 (60. Ke5 $1 $18 {and the rest is easy.}) 60... Kf8 $2 {[%mdl 8192]} (60... Rd6 $16 61. Bc5 Ra6) 61. Bc5+ $18 {[%mdl 64] Double Attack} Ke8 (61... Kg7 $18 62. Bxa3 Rb8) 62. Bc6+ {Weighted Error Value: White=0.51/Black=0.58} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.1"]
[White "Adams, Michael"]
[Black "Wadsworth, Matthew J"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2716"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "165"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,164,18,18,10,16,0,75,73,58,59,62,66,84,53,35,36,43,13,29,-8,-18,-28,-25,-73,-76,-59,-64,-64,-81,-197,58,63,81,72,67,75,115,62,104,56,175,0,132,135,217,211,240,237,245,235,243,243,236,187,229,231,215,208,222,227,287,263,293,297,293,273,279,265,267,253,256,228,225,220,226,225,219,215,227,192,225,202,216,151,157,164,165,175,188,0,157,0,212,204,201,116,113,0,0,0,110,0,15,0,0,0,0,0,0,0,0,0,37,0,0,0,0,0,0,0,0,0,0,0,0,0,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. b3 d5 4. exd5 exd5 5. Bb5+ Nc6 6. O-O {B40: Sicilian: 2...e6, Unusual lines.} Bd6 7. Bb2 Nge7 (7... Nf6 $11) 8. Bxg7 $16 {White is better.} Rg8 9. Be5 Bg4 10. Bg3 Qc7 {[#]} 11. Nc3 $146 ({Predecessor:} 11. d4 cxd4 12. c3 O-O-O 13. cxd4 Bxf3 14. Qxf3 Nxd4 15. Qd3 Qb6 16. Bxd6 Rxd6 17. Qh3+ {0-1 (24) Ligart,T (2185)-Kovacs,I (2230) Hungary 2005}) 11... O-O-O 12. Bxc6 Qxc6 13. d4 cxd4 14. Ne2 Bxf3 15. gxf3 Bc5 16. Qd2 h5 {Strongly threatening ...h4.} 17. Kh1 Ng6 {Hoping for ...Qf6.} 18. Qg5 ({Much weaker is} 18. Nxd4 Qf6 $17) 18... h4 19. Bxh4 (19. Be5 $17 {was the only defense.}) 19... Qe6 $2 (19... Rde8 $1 $19 20. b4 Re5 $1) 20. Nf4 $14 Nxf4 21. Qxf4 Bd6 22. Qxd4 Qf5 {[%cal Rf5f3]} 23. Qc3+ ({White should play} 23. f4 $1 $16) 23... Kb8 24. Bg3 (24. Bxd8 {leads to mate.} Qh3 25. Qc7+ Bxc7 26. Bxc7+ Kxc7 27. Rg1 Qxf3+ 28. Rg2 Qxg2#) 24... Qh5 (24... Bxg3 $14 25. fxg3 Rxg3) 25. Rg1 $2 ({Only move:} 25. Qf6 $1 $18 Kc8 26. Rae1 (26. Bxd6 Rxd6 27. Qf4 Rgg6 $14)) 25... Rh8 (25... Rxg3 $1 $11 26. fxg3 Rh8) 26. Rg2 $16 Rh6 (26... d4 $16 {was called for.} 27. Qd3 Rhe8 28. Bxd6+ Rxd6) 27. Re1 $18 Rc8 28. Qb4 {Intending Re7 and mate.} Bxg3 29. fxg3 Qxf3 30. Kg1 Rf6 31. Qd4 a6 32. Qe3 Qxe3+ 33. Rxe3 {[%mdl 4096] Endgame KRR-KRR} Rfc6 34. Ree2 d4 35. Rgf2 R8c7 36. Rd2 Rd6 37. Kg2 Kc8 38. Rf4 Rcd7 39. h4 Kd8 40. Kh3 Ke8 41. h5 Kf8 42. Kh4 Kg7 43. g4 f6 44. Re4 Rd5 45. Rde2 Kf7 46. Re8 d3 47. cxd3 Rxd3 48. Rh8 Kg7 49. Rhe8 Kf7 $1 50. Rh8 (50. Re1 $16) 50... Kg7 51. Ree8 Rd1 {intending ...R7d3.} 52. h6+ (52. Ref8 $18 Rh1+ 53. Kg3) 52... Kf7 $16 {[#]} 53. Ref8+ ({Better is} 53. Reg8 $1 $16 {[%cal Rg8g7]} Rh1+ 54. Kg3 Rxh6 55. Rxh6 Kxg8 56. Rxf6) 53... Ke6 $11 54. Re8+ ({White should try} 54. Rfg8 $11 Rh1+ 55. Kg3) 54... Kf7 $1 $16 {[#]} 55. Re3 (55. Reg8 $1 $16 {[%cal Rg8g7] Black must now prevent Rg7+.} Rh1+ 56. Kg3 Rxh6 57. Rxh6 Kxg8 58. Rxf6) 55... Rh1+ 56. Rh3 Rxh3+ 57. Kxh3 $11 {And now Rh7+ would win. KR-KR} Kg6 58. Rf8 Rd3+ 59. Kh4 {h7 is the strong threat.} Rd2 60. a4 Rh2+ 61. Kg3 Rb2 {The position is equal.} 62. h7 Rxb3+ 63. Kh4 Kxh7 64. Rxf6 Rb4 65. Kh5 Rxa4 66. Rf7+ Kg8 67. Rxb7 Rc4 68. Rb6 a5 69. Ra6 a4 70. g5 Rc7 71. Rxa4 Rc6 72. Ra7 Rb6 73. Re7 $1 Ra6 74. Kg4 Ra4+ 75. Kf5 Ra6 76. Re6 (76. Rb7 {seems wilder.} Ra5+ 77. Kg6 Ra6+ 78. Kh5 Rc6 79. Rb8+) 76... Rxe6 77. Kxe6 {White threatens Kf6 and mate. KP-K} Kg7 78. Kf5 Kf7 79. g6+ Kg7 80. Kg5 Kg8 81. Kf6 {White wants to mate with g7.} Kf8 82. g7+ Kg8 83. Kg6 {Weighted Error Value: White=0.29/Black=0.23} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.2"]
[White "Grieve, Harry"]
[Black "Turner, Matthew J"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2351"]
[BlackElo "2509"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,22,37,34,20,13,24,7,6,4,3]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 d6 5. Nxc6 bxc6 6. Bd3 Nf6 7. O-O Be7 8. Nd2 O-O {C45: Scotch Game.} 9. b3 Nd7 10. Bb2 Bf6 11. Bxf6 Qxf6 {[#] Not much happened in this game.  Weighted Error Value: White=0.05/Black=0.03} {Predecessor:} 12. Re1 $146 Bb7 13. Nc4 Ne5 14. Na5 Rab8 15. Qd2 g5 16. Rf1 Kh8 17. Rae1 Rg8 18. f3 {½-½ (78) Predojevic,B (2601)-Demchenko,A (2641) Lichess.org INT 2020} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.3"]
[White "Ghasi, Ameet K"]
[Black "Cox, Tristan A"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2485"]
[BlackElo "2141"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,55,12,4,19,5,16,7,10,0,0,0,29,16,41,0,45,33,31,22,201,95,168,41,82,32,64,8,8,9,101,101,151,149,566,549,637,635,715,286,29989,29990]} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 c5 8. e3 Bb7 9. Qe2 Qc8 {A14: English Opening: 1...e6 with b3 by White.} 10. Rc1 dxc4 11. bxc4 Nc6 {The position is equal.} 12. Nc3 {[%cal Bb1c3,Bc3e4,Be4g3][%mdl 32]} Rd8 13. d3 {[#]} Nd7 $146 ({Predecessor:} 13... Bf8 14. Rd1 g6 15. Ng5 Bg7 16. Nce4 Nxe4 17. Nxe4 e5 18. f4 f5 19. Nc3 Ne7 20. fxe5 Bxg2 21. Kxg2 Bxe5 {1-0 (45) Oparin,G (2597)-Popov,I (2648) Kolomna 2016}) 14. Ne4 h6 15. g4 f5 16. gxf5 exf5 17. Ng3 Nf6 $2 (17... Rf8 $1 $11 {and Black stays safe.}) 18. Bh3 (18. Nh4 $18 {and White stays clearly on top.}) 18... Ng4 $16 19. Ne1 (19. e4 $18) 19... g6 20. f3 Nge5 21. d4 (21. f4 $14 Ng4 22. Bg2) 21... cxd4 $11 22. exd4 Nf7 (22... Nxd4 $11 {keeps the balance.} 23. Qxe5 Qc5 24. Qxc5 Nxf3+ 25. Nxf3 Bxc5+ 26. Nd4 Rxd4 27. Bxd4 Bxd4+ 28. Kf1 Bxa1 29. Rxa1 Rc8) 23. d5 $36 {[%mdl 2048] White is really pushing.} Bc5+ 24. Kh1 Na5 $2 {[%mdl 8192]} (24... Qc7 $16 {is a better chance.}) 25. Nd3 $18 Re8 26. Qd2 {And now Qc3 would win.} Bf8 {[#]} 27. Qc3 (27. Nh5 $142 $1 {[%mdl 512]} Re7 (27... Ng5 28. Nf6+) 28. Nf6+ Kg7 29. c5) 27... Qxc4 $2 {[#]} (27... Bxd5 $18 28. cxd5 Qxc3 29. Bxc3 Nc4) 28. Qf6 $1 {Weighted Error Value: White=0.51/Black=1.04} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.4"]
[White "Ismail, Mohammed Aayan"]
[Black "Fernandez, Daniel Howard"]
[Result "1/2-1/2"]
[WhiteElo "1719"]
[BlackElo "2466"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 8,12,10,9,0,-8,-9]} 1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 4. Bg2 {[%emt 0:00:00]} Bf5 {[%emt 0:00:00]} 5. O-O $11 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 6. Nbd2 {[%emt 0:00:00]} h6 {[%emt 0:00:00]} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.5"]
[White "O`Gorman, Tom"]
[Black "Lalic, Bogdan"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2368"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,56,8,29,24,20,20,30,25,30,17,33,12,22,19,18,23,41,27,27,16,26,34,88,42,35,-28,-15,-8,8,7,4,0,12,0,0,-107,22,10,12,12,12,24,14,7,8,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bh4 d6 5. Nbd2 Nbd7 (5... g5 $5 6. Bg3 $8 g4 $11) 6. e4 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} g5 7. Bg3 Nh5 8. Bd3 {White has an edge.} Bg7 9. c3 Qe7 10. Qc2 Nxg3 11. hxg3 {[#]} c5 $146 ({Predecessor:} 11... e5 12. Nb3 a5 13. a4 c6 14. Nfd2 Nb6 15. dxe5 Bxe5 16. Nd4 Be6 17. Nxe6 Qxe6 18. Qb3 Qxb3 19. Nxb3 Nd7 20. O-O Nc5 21. Nxc5 dxc5 {1-0 (21) Diulger,A (2403)-Brajovic,R (2263) Bucharest 2000}) 12. Nc4 g4 {[#]} 13. e5 $1 dxe5 14. Nfxe5 cxd4 15. cxd4 Nf6 (15... Nxe5 $14 16. dxe5 Bd7) 16. Ne3 Qb4+ 17. Qd2 (17. Qc3 $14 Qxc3+ 18. bxc3) 17... Qxd2+ $1 $11 18. Kxd2 h5 19. Rac1 {With the idea Bb5+.} O-O 20. Rc7 Rd8 21. Nxf7 Rxd4 {And now ...Ne8 would win.} 22. Rhc1 {[#]} (22. Ng5 $11) 22... Ne8 $1 23. Rxc8 Rxc8 {[#]} 24. Nh6+ $1 Bxh6 25. Rxc8 Kf7 26. Rc5 {The position is equal.} Nf6 {...Ne4+ is the strong threat.} 27. Rc7+ Rd7 28. Rxd7+ Nxd7 {Weighted Error Value: White=0.21/Black=0.16} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.6"]
[White "Blackburn, Jonathan L B"]
[Black "Tanmay Chopra"]
[Result "0-1"]
[ECO "E22"]
[WhiteElo "2235"]
[BlackElo "2273"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,96,26,22,1,23,29,55,55,60,12,56,39,41,43,44,47,67,14,8,-4,0,-33,-30,-19,69,58,75,51,85,26,112,94,116,68,72,54,56,68,63,71,60,-22,-14,-117,-118,-123,29,-47,-36,-38,-26,-168,-169,-163,-48,-120,-42,-284,-272,-270,-272,-383,-397,-402,-396,-396,-396,-506,-506,-514,-514,-572,-563,-549,-510,-4228,-4137,-5197,-5197,-7226,-7206,-6609,-6562,-29981,-4137,-29978,-29979,-29969,-4960]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 O-O 6. Bd3 {E22: Nimzo-Indian: 4 Qb3.} d6 7. Nge2 e5 8. d5 {White is slightly better.} Bxc3+ 9. Qxc3 (9. Nxc3 $5 {[%cal Rd5c6]} Ne7 10. O-O $14) 9... Ne7 (9... e4 $5 {[%cal Re4d3]} 10. Bc2 Ne5 $11) 10. Ng3 {[#]} c6 $146 ({Predecessor:} 10... Ne8 11. f4 exf4 12. exf4 c6 13. dxc6 Nxc6 14. O-O Nf6 15. Ne4 Nxe4 16. Bxe4 Qf6 17. Qxf6 gxf6 {½-½ (56) Bolbochan,J-Luckis,M Mar del Plata 1941}) 11. dxc6 bxc6 12. O-O h5 13. e4 (13. h3 $14) 13... h4 $11 14. Ne2 h3 $1 15. f4 hxg2 16. Kxg2 Nd7 ({Black should play} 16... d5 $11) 17. f5 $14 f6 18. Be3 Rf7 19. Qa3 (19. Rac1 $16) 19... Qc7 (19... d5 $1 $11) 20. Ng3 Bb7 21. Rac1 c5 22. h4 Nc6 23. Kf2 Kf8 24. Rg1 Ke7 25. Nh5 (25. Ne2 $14) 25... Rh8 $11 26. Nxg7 (26. Ng3 $1 $11) 26... Rxh4 $17 27. Ne6 Qa5 {[#]} ({Black should try} 27... Qb8 $17 {Threatens to win with ...Qh8.} 28. Rg2 Qh8) 28. Rg8 (28. Qxa5 $11 Nxa5 29. Rh1) 28... Qxa3 $15 29. bxa3 Rh2+ 30. Rg2 {[#]} (30. Kg3 $11 {and White stays safe.} Rfh7 31. Rg7+ Rxg7+ 32. Kxh2) 30... Rxg2+ $1 $19 31. Kxg2 Nb6 (31... Nd4 $19 {Strongly threatening ...Nxf5.} 32. Nc7 Nxf5) 32. Rb1 (32. Kg3 $15) 32... Nd8 (32... Nd4 $17 {White must now prevent ...Nxf5.} 33. Bxd4 exd4) 33. Nxc5 $2 (33. a4 $15) 33... dxc5 34. Bxc5+ Kd7 35. Bxb6 (35. Bb4 $142) 35... axb6 36. Rxb6 Kc7 37. c5 Rd7 38. Bb5 Bxe4+ 39. Kf2 Bc6 40. a4 Rd2+ 41. Ke3 Rxa2 42. Ra6 (42. Kd3 $142) 42... Ra3+ 43. Kd2 Bxb5 44. Rxf6 Rxa4 45. Rh6 Rf4 46. f6 Bd7 (46... Nf7 $142 47. Rh1 Rxf6 48. Rb1 Kc6 49. Rg1 Kxc5 50. Rg8 e4 51. Ra8 Kd4 52. Kc2 Bd3+ 53. Kb3 Nd6 54. Ra7 Bc4+ 55. Kb4 e3 56. Rh7 e2 57. Rh4+ Ne4 58. Rh1 Rf1 59. Ka5 Rxh1 60. Kb6 Rh7 61. Kc6 e1=Q 62. Kb6 Qb4+ 63. Kc6 Qd6#) 47. Rh5 Nf7 48. Rh7 Rxf6 {Weighted Error Value: White=1.08/Black=0.39} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.7"]
[White "Finn, Peter"]
[Black "Toczek, Grzegorz"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1959"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,127,33,15,25,18,23,9,40,0,16,2,0,0,12,-36,-27,-40,-32,-36,-29,-70,-11,-11,-12,-25,0,-8,0,0,0,0,0,0,0,0,0,0,6,0,25,11,12,17,94,86,147,143,143,146,147,143,172,135,150,131,156,115,156,154,154,154,148,147,137,145,223,195,319,315,331,270,462,400,1865,1831,1683,327,2341,1907,29959,29960,29959,29961,29957,29963,29964,29965,29974,29975,29973,29974,29972,29957,29945,12848,11278,10006,5197,2913,29970,29970,29970,388,29973,29974,29982,29981,29983,29976,29982,29983,29985,29986,29986,29987]} 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d6 5. a4 Be7 6. h3 O-O 7. O-O Nbd7 8. Nc3 b6 {C24: Bishop's Opening: 2...Nf6.} 9. d4 a6 {[#]} 10. Re1 $146 ({Predecessor:} 10. d5 c5 11. Re1 Ne8 12. Nh2 Bg5 13. Be3 g6 14. Qd2 Bxe3 15. Qxe3 f5 16. exf5 gxf5 {½-½ (42) Eisenbeiser,K (2000)-Kosmac,B (2209) Feffernitz 2013}) 10... Rb8 {The position is equal.} 11. d5 cxd5 12. Nxd5 Nxd5 13. Bxd5 Nf6 14. c3 Nxd5 15. Qxd5 Be6 16. Qd3 Qc7 17. Nd2 b5 (17... f5 $15) 18. axb5 $11 axb5 19. Nf1 b4 20. Ne3 Rfc8 {[%cal Rb4c3]} 21. Bd2 bxc3 22. Bxc3 Qb7 23. Ra5 Ra8 24. Rea1 Rxa5 25. Rxa5 Ra8 26. Nd5 Bd8 27. Rxa8 Qxa8 28. Qb5 $40 {[%cal Rb5e8][%mdl 128] White mounts an attack.} Kf8 (28... h6 $11) 29. Bb4 {White leaves nothing to chance now.} Be7 ({Black should play} 29... Bxd5 30. Bxd6+ (30. Qxd5 Qxd5 31. exd5 Ke7 $11) (30. exd5 Ke7 $11) 30... Be7) 30. Nxe7 $16 Kxe7 31. Qxe5 Qc6 32. Qd4 f6 33. Kh2 Kd7 34. f4 d5 35. e5 Qc4 36. Qa7+ Qc7 37. Qxc7+ Kxc7 38. exf6 gxf6 {[%mdl 4096] Endgame [#] KB-KB} 39. g4 f5 (39... d4 $16 {was called for.}) 40. Kg3 $18 Kd7 {[#]} (40... d4 $142) 41. Kh4 $1 {[%cal Rh4g5]} Ke8 42. Kg5 fxg4 $2 (42... Bd7 43. gxf5 d4) 43. hxg4 d4 (43... Bc8 $142 44. f5 Kf7) 44. f5 Bc4 45. Kf4 $2 (45. Kf6 Be2 46. g5) 45... Kf7 (45... h6 46. Bc5 d3) 46. Ke5 Be2 47. g5 d3 48. Bd2 Bd1 49. b4 Ba4 50. Kd4 Bb5 51. Kc5 Bd7 52. f6 Ke6 53. Kc4 Be8 54. Kxd3 Kd5 55. Kc3 Bf7 56. Kb3 Kc6+ 57. Ka4 Bc4 58. Ka5 {Threatens to win with b5+!} Kb7 $2 (58... Bd5 $18 59. b5+ Kd6) 59. b5 {[%cal Bb4b5,Bb5b6][%mdl 32] White mates.} Bf7 60. Be3 Be8 61. Kb4 Bf7 62. Kc5 Be8 63. b6 Bf7 64. Kd6 {Weighted Error Value: White=0.22/Black=0.57} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.8"]
[White "Varney, Zoe"]
[Black "Hebden, Mark L"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "1917"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,54,20,8,45,5,14,14,3,9,8,-13,0,-80,-91,-62,-28,-105,-106,-130,-112,-127,-125,-284,-95,-275,-189,-200,-203,-247,-189,-352,-347,-387,-388,-561,-562,-731,-716,-29988,-29989,-29992,-29993]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ Bd7 7. Qe2 Be7 8. Nc3 O-O {C58: Two Knights: 4 Ng5 d5 5 exd5 Na5 sidelines.} (8... Bxb5 {feels hotter.} 9. Qxb5+ c6 10. dxc6 Nxc6 11. Nf3 O-O) 9. Nf3 Bxb5 10. Qxb5 c6 {The position is equal.} 11. dxc6 Nxc6 12. d3 a6 13. Qa4 ({Wrong is} 13. Qxb7 $2 Na5 $19) (13. Qb3 $1 $11) 13... b5 $17 {[%mdl 1024] Black has strong compensation.} 14. Qh4 {[#]} Rc8 $146 ({Predecessor:} 14... Nb4 15. O-O Nxc2 16. Rb1 b4 17. Nd1 Nd4 18. Nxd4 exd4 19. Bg5 h6 20. Bxf6 Bxf6 {½-½ (59) Padeiro,J (2292)-Romanishin,O (2456) Figueira da Foz 2016}) 15. Be3 (15. O-O $11 {remains equal.}) 15... Nd5 $36 {[%mdl 2048] Black is really pushing.} 16. Bg5 f6 17. Bd2 Ndb4 18. Rc1 {[#]} (18. O-O $17) 18... Nd4 $2 (18... Nxc2+ $1 $19 {[%mdl 512] is more deadly.} 19. Rxc2 Nb4 {[%mdl 64] Double Attack}) 19. Kd1 $2 (19. O-O $17 {is a better defense.}) 19... Nbxc2 20. Nxd4 Nxd4 ({And not} 20... exd4 21. Nxb5 f5 22. Qh3 $11) 21. Qe4 Kh8 22. f4 $2 (22. Nd5) 22... f5 $19 23. Qxe5 {intending Nd5.} Bf6 24. Qe3 (24. Qd5 {was the only chance.} Rxc3 25. Qxd8 Rxc1+ 26. Kxc1 Rxd8 27. Re1) 24... Re8 25. Qh3 b4 {Hoping for ...Qa5.} 26. Nb1 Rxc1+ 27. Bxc1 Qc7 {[%csl Gd4][%cal Rc7c2] Weighted Error Value: White=1.04/Black=0.21} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.9"]
[White "Toma, Katarzyna"]
[Black "Gurner, Jem"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2289"]
[BlackElo "1800"]
[Annotator "TA"]
[PlyCount "173"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,173,14,8,48,46,60,35,57,51,47,50,59,63,72,63,64,49,68,66,59,20,23,14,35,25,31,27,45,39,39,42,37,45,58,58,68,62,82,81,81,81,88,88,120,87,95,98,109,63,93,68,106,79,56,14,35,25,34,0,0,0,0,0,0,0,8,8,37,8,8,8,8,8,8,8,8,8,8,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,8,8,8,8,8,8,8,29974,29968,29981,29981,29981,29982,29982,29969,29969,29969,29970,29968,29965,29967,29960,29981,29981,29982,29982,29983,29983,0,29982,29983,29983,29968,29964,29965,29960,8,8,8,8,0,0,0,8,8,8,8,8,8,8,8,8,8,8,0,8,8,8,8,8,0,8,0,0,0]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Qc2 O-O 6. Be2 Bg4 {B06: Modern Defence.} 7. O-O c6 {[#]} 8. Be3 $146 ({Predecessor:} 8. Bg5 Re8 9. Nbd2 Qc7 10. h3 Bxf3 11. Bxf3 Nbd7 12. Rfe1 c5 13. d5 b5 14. Be2 {1-0 (44) Stadler,H (1740)-Wimmer,J (1788) Germany 2006}) 8... Qc7 {White is slightly better.} 9. h3 Bxf3 10. Bxf3 e5 11. dxe5 dxe5 12. a4 Nbd7 13. Rd1 Rfe8 14. Na3 Bf8 15. Rd2 Nc5 16. Rad1 Ne6 17. Nc4 b6 18. b4 Rad8 19. Rxd8 Rxd8 20. Rxd8 Nxd8 21. Qd3 Be7 22. Bd1 Ne6 23. g3 Qd7 24. Qxd7 ({But not} 24. Nxe5 Qxd3 25. Nxd3 Nxe4 $11) 24... Nxd7 25. Bg4 Nef8 26. h4 f6 27. Bd1 Kf7 28. Bb3 Ke8 29. Nb2 Kd8 30. Nd3 Kc7 31. f4 exf4 32. Bxf4+ Bd6 33. Kf2 Ne5 34. Ke3 Nxd3 35. Kxd3 Bxf4 36. gxf4 $11 {[%mdl 4096] Endgame KB-KN} Kd6 37. Ke3 h6 38. Kf3 Nd7 39. Bf7 g5 40. h5 Ke7 41. Bb3 c5 42. Kg4 gxf4 43. Kxf4 Ne5 44. Bd5 cxb4 45. cxb4 {Kf5 is the strong threat.} Kf8 46. Kf5 Kg7 47. a5 {Threatening a6.} Nd3 $1 48. axb6 axb6 49. b5 Nc5 50. Bc4 {With the idea Bd5.} Nd7 51. Ke6 Nc5+ 52. Kd5 {next Be2 is good for White.} Kf8 53. Be2 Ke7 54. Bg4 Na4 55. Kc6 {White wants to play Bd1.} Kf7 56. Bd1 Nc3 57. Bc2 (57. Bb3+ {looks sharper.} Ke7 58. Bd5 Kd8 59. Bf7 Nxe4 60. Bg6) 57... Ke6 58. Kxb6 Ke5 $2 {[%mdl 8192]} (58... Nxb5 $11 59. Kxb5 Ke7 60. Kc6 Ke6 61. Kb5 Ke5 62. Kc5 Ke6 63. Kc6 Ke7) 59. Kc6 Nxb5 60. Kxb5 {KB-KPP} Kf4 61. Kc5 Kg5 62. Kd5 Kxh5 63. Ke6 Kg5 64. Bd1 Kf4 65. Kd5 $1 Ke3 66. Bg4 Kf4 67. Bh5 Kg5 {[#]} 68. Ke6 $1 Kf4 69. Kd5 $2 (69. Bg6 Kg5 70. Kf7 h5 71. Bxh5 $1 {[%mdl 512]} Kf4 72. Bg6 Ke5 73. Bf5 Kd4 74. Kxf6) 69... Ke3 $2 {[%mdl 8192]} (69... Kg5 $11 70. Ke6 Kf4 71. Bg6 h5 72. Kxf6 h4 73. e5 h3 74. Be8 (74. e6 h2 $16) 74... Ke4 75. Bc6+ Kd4) 70. Bg6 Kf4 71. Kd4 Kg5 72. Bf5 Kf4 {[#]} 73. Bh3 $2 (73. Kd3 $1 {mates} Kf3 74. Bg6 Kf4 75. Ke2 Kg3 76. Ke3 Kg4 77. Be8 h5 78. Bg6) 73... h5 {The position is equal.} 74. Bg2 h4 75. Kd5 Kg3 76. Bf1 Kf2 77. Bh3 Kg3 78. Bf5 Kf4 79. Bd7 Kf3 80. Bc8 Kf4 81. Bf5 Ke3 82. Bd7 Kf4 83. Kd4 Kf3 84. Kd3 Kf4 85. Bf5 {Hoping for Ke2.} Kf3 86. Bh3 Kg3 87. Bf5 {White really could win this.  Weighted Error Value: White=0.08/Black=0.17} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.10"]
[White "Volovich, Julia"]
[Black "Villiers, Thomas"]
[Result "1/2-1/2"]
[ECO "E37"]
[WhiteElo "1674"]
[BlackElo "2161"]
[Annotator "NA RC"]
[PlyCount "34"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 5. Qc2 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 6. a3 {[%emt 0:00:00]} Bxc3+ {[%emt 0:00:00]} 7. Qxc3 {[%emt 0:00:00]} Ne4 {[%emt 0:00:00]} 8. Qc2 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 9. e3 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 10. Bd3 {[%emt 0:00:00]} Bd7 {[%emt 0:00:00]} 11. b4 {[%emt 0:00:00]} Be8 {[%emt 0:00:00]} 12. b5 {[%emt 0:05:24]} Ne7 $16 {[%emt 0:00:00]} 13. a4 {[%emt 0:03:13]} Bh5 {[%emt 0:00:00]} 14. Ne5 {[%emt 0:05:21]} Ng6 {[%emt 0:00:00]} 15. Nxg6 {[%emt 0:06:06]} Bxg6 {[%emt 0:00:00]} 16. Ba3 {[%emt 0:00:47]} Rf7 {[%emt 0:00:00]} 17. O-O {[%emt 0:02:54]} Qg5 {[%emt 0:00:27]} 1/2-1/2

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.11"]
[White "Stubbs, Oliver"]
[Black "Evans, Harry G"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1905"]
[BlackElo "2035"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,41,15,31,31,43,44,56,42,198,207,202,-320,200,183,297,259,412,417,491,501,498,483,499,463,434,443]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 Bd6 5. Bg3 O-O 6. Nbd2 Qe7 7. Bd3 c5 8. c3 Nc6 9. Ne5 Nd7 10. Nxd7 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bxd7 {10...Bxd7 was played by the boomers.} 11. Bxd6 Qxd6 12. dxc5 {White is slightly better.} Qxc5 {[#]} (12... Qc7 $14) 13. Bxh7+ $1 $18 {[%mdl 512]} Kxh7 {[#]} 14. Qh5+ $1 Kg8 {[#] ...Qb5 is the strong threat.} 15. Ne4 $1 {[%cal Re4c5][%mdl 576] Pin} Qc4 {[#]} (15... g6 {was called for.} 16. Nxc5 gxh5) 16. Ng5 $1 $40 {[%csl Gg5][%cal Rh5h7][%mdl 128] White is out for blood.} Qd3 (16... Rfe8 $142) 17. e4 $1 Qxe4+ 18. Nxe4 {White is clearly winning.} dxe4 19. O-O-O {[#]} Rad8 $146 ({Predecessor:} 19... Rfd8 20. Rhe1 f5 21. Re3 Be8 22. Rxd8 Rxd8 23. Qh4 Rd7 24. Rh3 Bg6 25. Qh8+ Kf7 {1-0 (46) Tiwari,S (1770)-Sapaev,M (2250) Bhopal 2019}) 20. Rhe1 f5 21. f3 {Weighted Error Value: White=0.03/Black=0.83} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.12"]
[White "Wille, Thomas"]
[Black "Idle, Oscar"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2048"]
[BlackElo "1722"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,25,25,16,19,16,19,-9,0,-25,-14,-18,36,0,0,-60,47,-8,1,-58,-48,-60,-53,-59,-3,-51,-41,-38,-64,-56,-30,-31,0,0,41,41,39,-18,-19,-141,0,-7,0,-4,16,19,32,-38,99,90,151,108,63,61,29999]} 1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. Ne2 Qb6 {[%csl Ge4][%cal Rb6f2] [#]} 6. d4 $1 {B11: Caro-Kann: Two Knights Variation.} e6 7. Ng3 $1 {7.Ng3 scores better than 7.Nfg1.} c5 8. Bd3 {The position is equal.} Nxg3 $1 9. fxg3 (9. hxg3 {keeps more tension.} cxd4 10. Ng5 Nc6 11. Nxh7 Bd7 12. Nf6+) 9... Nc6 10. O-O {next Ng5 is good for White.} h6 (10... cxd4 $11 11. a3 g6) 11. g4 Bd7 ({Much worse is} 11... Nxd4 $6 12. Nxd4 cxd4 13. Qf3 $16) 12. c3 {[#]} (12. dxc5 $11 Bxc5+ 13. Kh1) 12... O-O-O $146 (12... cxd4 $15 13. Kh1 dxc3 14. bxc3 Qc7) ({Predecessor:} 12... cxd4 13. cxd4 Nxd4 14. Kh1 Bc5 15. b4 Be7 16. Be3 O-O 17. Bxd4 Qxb4 18. Rb1 Qa3 19. Rxb7 {1-0 (37) Svane,F (2421)-Tarini,G (2164) chess.com INT 2020}) 13. a4 ({White should play} 13. dxc5 $14 Bxc5+ 14. Kh1) 13... f6 14. Kh1 (14. exf6 $11 cxd4 15. cxd4 gxf6 16. Bb5) 14... fxe5 $15 15. a5 Qc7 {aiming for ...e4.} 16. dxe5 g5 ({And not} 16... Nxe5 17. Nxe5 Qxe5 18. Bf4 $16) (16... Nxa5 $15 17. Be3 Nc6) 17. a6 b6 18. Qe2 Bg7 {[%cal Rc6e5]} 19. Re1 Rdf8 20. Bb5 Be8 21. Bxc6 Qxc6 22. b4 $1 c4 23. Be3 (23. Nd4 $14 Qd7 24. b5) 23... Bg6 $11 24. b5 (24. Bf2 $11) 24... Qc7 (24... Qxb5 $17 {White must now prevent ...Be4.} 25. Qa2 Be4) 25. Bg1 (25. Nd4 $5 {[%cal Rd4e6]}) 25... Rf4 26. Nd4 Re8 27. Nc6 Re4 28. Qf2 ({Better is} 28. Qd1 $14) 28... Bxe5 {[#]} (28... Rxg4 $15 {stays ahead.} 29. h3 Rh4) 29. Rxe4 $1 $16 Bxe4 30. Nxe5 Qxe5 31. Qf7 {[%csl LRa7,LRe8][%mdl 64] Double Attack} Rd8 {[%mdl 8192]} (31... Re7 $14 32. Qf8+ (32. Qxe7 Bxg2+ 33. Kxg2 Qe4+ {[%mdl 64] Double Attack} 34. Kg3 Qf4+ 35. Kg2 Qe4+ 36. Kf1 Qd3+ {[%mdl 64] Double Attack} 37. Kg2 Qe4+ $11 {[%mdl 64] Double Attack}) 32... Kd7) 32. Qb7# {Weighted Error Value: White=0.26/Black=0.45} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.13"]
[White "Goss, Alex"]
[Black "Shearsby, Jude"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1833"]
[BlackElo "1673"]
[Annotator "NA RC"]
[PlyCount "55"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 4. h3 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 5. a4 {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 6. Bd3 {[%emt 0:00:00]} Ngf6 {[%emt 0:00:00]} 7. O-O {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 8. Nc3 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 9. dxe5 {[%emt 0:00:00]} dxe5 {[%emt 0:00:00]} 10. Bg5 {[%emt 0:00:00]} Re8 {[%emt 0:00:00]} 11. Qd2 {[%emt 0:00:00]} Nc5 {[%emt 0:00:00]} 12. Rad1 {[%emt 0:00:00]} Bd7 {[%emt 0:00:00]} 13. a5 {[%emt 0:00:57]} Ne6 {[%emt 0:00:00]} 14. Nxe5 {[%emt 0:04:19]} Nxg5 {[%emt 0:00:00]} 15. Qxg5 {[%emt 0:00:16]} Nxe4 {[%emt 0:06:07]} 16. Qxd8 {[%emt 0:02:16]} Raxd8 {[%emt 0:00:09]} 17. Bxe4 {[%emt 0:01:54]} Bxe5 {[%emt 0:00:34]} 18. Bxb7 {[%emt 0:00:28]} Bxc3 {[%emt 0:00:09]} 19. bxc3 {[%emt 0:00:04]} Bb5 {[%emt 0:00:05]} 20. Rfe1 {[%emt 0:00:33]} Rxd1 {[%emt 0:00:32]} 21. Rxd1 {[%emt 0:00:08]} Re2 {[%emt 0:00:03]} 22. Rd8+ {[%emt 0:00:33]} Kg7 {[%emt 0:00:06]} 23. Rc8 {[%emt 0:00:26]} Re7 {[%emt 0:01:20]} 24. Ra8 {[%emt 0:01:35]} Re6 {[%emt 0:00:23]} 25. Bd5 {[%emt 0:00:10]} Re1+ {[%emt 0:08:58]} 26. Kh2 {[%emt 0:00:18]} c6 {[%emt 0:00:38]} 27. Bb3 {[%emt 0:01:40]} Re4 {[%emt 0:02:50]} 28. f3 {[%emt 0:02:29]} 1-0

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.14"]
[White "Gordon, Sean"]
[Black "Shafi, Declan"]
[Result "0-1"]
[ECO "D97"]
[WhiteElo "2039"]
[BlackElo "2166"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,54,0,40,-2,0,0,0,-57,12,-102,-75,-70,-72,-192,-192,-177,-189,-160,-186,-144,-150,-307,-308,-307,-300,-445,-447,-862,-841,-773,-685,-634,-162,-158,0,-783,-610]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. Be2 b5 9. Qb3 c5 10. dxc5 Nbd7 {[%cal Bb8d7,Bd7c5,Bc5d3][%mdl 32]} 11. Be3 {D97: Grünfeld: Russian System: 7 e4, replies other than 7...Bg4.} Bb7 {[#]} 12. Rd1 $146 {[#] Threatens to win with e5.} ({Predecessor:} 12. h3 Nxe4 13. Nxe4 Bxe4 14. O-O Qc7 15. Rac1 Ne5 16. Nd4 e6 17. a4 Bd5 18. Qb4 a5 {0-1 (76) Baron Rodriguez,J (2335)-Remiro Juste,F (2305) San Jose 1998}) 12... Qc7 13. Qb4 (13. e5 $11 Nxe5 14. Nxe5 Qxe5 15. O-O) 13... Rac8 (13... Ng4 $1 $15) 14. Nd5 (14. e5 $11 Nxe5 15. Nxe5 Qxe5 16. O-O) 14... Nxd5 (14... Bxd5 {is more complex.} 15. exd5 Nxc5 16. d6 exd6 17. O-O Rfe8) 15. exd5 {aiming for c6.} Nxc5 16. Rc1 {[#]} (16. O-O $17 {was necessary.} Na4 17. Rd2) 16... Nd3+ $1 $19 {[%mdl 576] Discovered Attack} 17. Bxd3 Qxc1+ 18. Bxc1 Rxc1+ 19. Kd2 Rxh1 20. a4 $2 (20. Be4 $17 Re8 21. a4) 20... Bxd5 21. axb5 axb5 22. Be4 (22. Qxb5 $142 Bxf3 23. gxf3) 22... Bc4 23. g4 (23. Qxe7 $142 Rf1 24. Qh4) 23... f5 24. gxf5 Rd8+ 25. Kc2 Bh6 $2 (25... Rf1 26. Qc5 Bh6) 26. b3 Rc8 27. Nd2 $2 {[%mdl 8192]} (27. Ne5 $11 Bf7+ 28. Kd3 Rd1+ 29. Ke2 Rd2+ 30. Kf1) 27... Be2+ {Weighted Error Value: White=1.28/Black=0.78} 0-1

[Event "Caplin British Online-ch Open 2020"]
[Site "Online"]
[Date "2021.01.02"]
[Round "8.15"]
[White "Finn, Chris"]
[Black "Arora, Tashika"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1930"]
[BlackElo "1744"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2020.12.21"]
[EventType "swiss"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,142,19,49,36,38,58,60,48,93,98,111,131,127,127,127,120,166,184,243,249,263,268,346,359,346,322,336,336,342,333,359,372,388,388,378,361,393,366,388,371,405,404,378,398,435,431,475,463,446,295,462,453,462,452,440,438,451,450,448,436,606,597,1108,1104,1145,1130,1136,1129,1311,1275,1123,934,1133,1105,1480,1477,1748,1681,2800,2002,5335,5243,4898,1982,1772,1557,4874,1193,1051,0,1739,1715,3401,3124,5152,5147,4922,4786,5027,1934,2019,1916,1933,5235,29970,29971,6339,6153,5235,5163,29989,29990,29990,29991,29991,29992,29994,29995,29996,29997,29997,29997,29997,29995,29996,29997,29997,29998,29998,29999,29999]} 1. d4 Nf6 2. Nf3 d5 3. Bg5 Ne4 4. Bh4 g6 5. e3 Bg7 6. Nbd2 c5 7. c3 cxd4 8. Nxe4 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} dxe4 9. Nxd4 O-O {[#]} 10. Qc2 $146 {White is slightly better.} ({Predecessor:} 10. Be2 Nd7 11. O-O Nf6 12. Qc2 Qb6 13. Qb3 Rd8 14. Qxb6 axb6 15. a3 Bd7 16. Rfd1 Kf8 17. Bg3 Ne8 18. Nb5 e5 19. Kf1 Ke7 20. c4 Bxb5 21. cxb5 Rxd1+ 22. Rxd1 {½-½ (22) Arulis,A (2405)-Mordas,V (2470) ICCF corr 1996}) 10... Qc7 11. Qxe4 e5 12. Nb5 Qb6 {White must now prevent ...a6.} 13. O-O-O Bf5 {[#]} 14. Qa4 Bd7 {[#] Threatening ...a6.} 15. Qb3 $1 a6 (15... Bxb5 $142 16. Qxb5 (16. Bxb5 Bf6 $16) 16... Qc7) 16. Nd6 $18 {[%mdl 64] Discovered Attack} Qxb3 17. axb3 Nc6 18. Nxb7 Bf5 19. Nd6 Be6 20. Bc4 Bxc4 21. Nxc4 ({Resist} 21. bxc4 a5 $18) 21... Rab8 22. Kc2 a5 23. Ra1 Rb5 24. Ra4 Rfb8 25. Rd1 Bf8 26. Rd7 Rc8 27. Nd6 Bxd6 28. Rxd6 Rb6 29. Rc4 Nb4+ 30. Kb1 Rxc4 31. Rd8+ ({Weaker is} 31. Rxb6 Rxh4 32. cxb4 axb4 $16) 31... Kg7 32. bxc4 {[%mdl 4096] Endgame KRB-KRN} Na6 33. Rd5 a4 34. Ra5 Rc6 35. Rxa4 Nc5 36. Ra5 e4 37. b4 Nb3 38. Rd5 Rxc4 39. Kb2 Nc1 40. Kxc1 Rxc3+ {KRB-KR} 41. Kb2 Rc6 42. Rd4 Re6 43. b5 Rb6 44. Rb4 f5 45. Kc3 Kf7 46. Kd4 Ke6 47. Kc5 Rb8 48. Kc6 Rc8+ 49. Kb7 Rf8 50. Ka6 Ra8+ 51. Kb7 Rf8 52. Ka7 Rf7+ 53. Ka6 Rf8 54. b6 Ra8+ 55. Kb7 Ra1 56. Rd4 Ra2 57. Kb8 Ra1 58. b7 Rc1 59. Ka7 Ra1+ 60. Kb6 {White threatens Rb4 and mate.} Rb1+ 61. Ka6 Ra1+ 62. Kb5 {White mates.} Rb1+ 63. Rb4 Rxb4+ 64. Kxb4 {KB-KP} Kd7 65. b8=Q Ke6 66. Qe8+ Kd6 67. Bf6 h6 68. Qe5+ Kd7 69. Kc5 h5 70. Qe7+ Kc8 71. Kc6 {[%cal Re7f8]} h4 72. Qd8# {White took control after the opening.  Weighted Error Value: White=0.03/Black=0.25} 1-0

