[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "1.1"]
[White "Korobov, Anton"]
[Black "Grigoryan, Karen H."]
[Result "1-0"]
[ECO "E54"]
[WhiteElo "2683"]
[BlackElo "2659"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,123,12,0,0,0,0,-7,0,-8,0,-29,0,0,18,0,6,0,0,0,28,14,23,14,27,29,63,0,0,-6,0,0,3,-14,285,291,275,265,271,170,181,152,152,155,145,110,116,75,142,113,121,121,302,302,301,300,300,300,428,300,359,300,491,491,491,491,469,455,454,139,242,167,175,175,167,167,322,297,436,424,408,333,547,352,361,214,715,685,1831,1860,1736,1657,6852,7449,854,791,29984,29982,29982,29983,29987,29988,29988,29986]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 c5 7. O-O dxc4 8. Bxc4 cxd4 9. exd4 b6 10. Bg5 Bb7 11. Rc1 Nbd7 12. Re1 h6 {E54: Nimzo-Indian: Rubinstein: Main Line: 7...dxc4 8 Bxc4.} 13. Bh4 Rc8 14. Bd3 Be7 {The position is equal.} 15. Bb1 Re8 16. Bg3 {[#]} Nf8 $146 ({Predecessor:} 16... Nh5 17. Qd3 Nf8 18. Ne5 Nxg3 19. hxg3 Bb4 20. a3 Bxc3 21. bxc3 Qd5 22. Qf1 Qb3 {0-1 (40) Vargas,R-Diaz,H (2014) ICCF email 2016}) 17. Ne5 a6 18. Qd3 b5 19. Rcd1 b4 20. Na4 Qd5 {[%csl Gb7][%cal Rd5g2] [#]} 21. f3 {Hoping for Nb6.} Qa5 22. b3 Nd5 23. Rc1 Qb5 24. Qxb5 (24. Qd2 $14) 24... axb5 $11 25. Nc5 Ba8 26. Bd3 Nc3 27. a3 Rcd8 $2 {[%mdl 8192]} (27... Red8 $1 $11) 28. axb4 $18 Na2 29. Bxb5 Nxc1 30. Rxc1 Bg5 31. f4 Bf6 32. Bxe8 Rxe8 33. Ra1 Bd5 34. Ra7 Rb8 ({Black should try} 34... Ng6) 35. Be1 (35. Nxf7 Rxb4 36. Ne5 Rxd4 $11) 35... Ng6 36. g3 ({Reject} 36. Nxf7 $6 Bxd4+ 37. Bf2 Nxf4 $11) 36... Rb6 $2 (36... Ne7 $16 37. Ncd7 Bxe5 38. dxe5 Rc8) 37. Ncd7 Rb7 38. Rxb7 Bxb7 39. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]} Bd8 (39... Nxe5 $142 40. fxe5 (40. dxe5 Bd8 $18) 40... Bd8) 40. b6 Bd5 41. Ba5 Be7 $2 (41... Nxe5 42. fxe5 (42. dxe5 Be7 $18) 42... Bxb6) 42. Nxg6 fxg6 {[%mdl 4096] Endgame KBB-KBN} 43. Nc5 Kf7 44. b4 Bc6 45. Nd3 $2 (45. b7 $18 {and White stays clearly on top.} Bd6 46. Bb6) 45... Ke8 (45... Bf6 $16 46. Ne5+ Bxe5 47. dxe5 Ke8) 46. Ne5 Be4 47. b5 {[#] Nc6 is the strong threat.} Bb7 48. Nxg6 Ba3 $2 (48... Bf6 {was necessary.} 49. Ne5 Kd8) 49. Kf2 Kd7 (49... Bd6 {was worth a try.} 50. Ke3 Kd7 51. Ne5+ Bxe5) 50. Ne5+ Kc8 51. Nd3 Bd5 $2 (51... Be7 {keeps fighting.} 52. Nc5 Bd5) 52. Nc5 Bc4 53. Ke3 Kb8 $2 (53... Bxc5 54. dxc5 Bxb5) 54. Ke4 g5 55. fxg5 hxg5 56. Bd2 Bxb5 57. Bxg5 {White threatens Bf4+ and mate.} Bc6+ 58. Ke5 Bb2 59. Bf4 {White mates.} Kc8 60. h4 Bc3 61. h5 Ba5 62. b7+ {[%mdl 64] Promotion.  Weighted Error Value: White=0.28/Black=0.62} 1-0

[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "1.1"]
[White "Moussard, Jules"]
[Black "Nevednichy, Vladislav"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2626"]
[BlackElo "2546"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,151,50,14,12,11,12,12,17,14,42,9,14,0,17,0,30,0,54,-24,-8,-8,-6,-32,0,-39,-28,-43,-18,-55,-51,-42,-40,-183,-46,-116,-89,-91,-108,-87,-83,-92,-31,-80,0,0,0,0,9,-154,10,11,87,96,97,35,103,0,90,-6,44,45,38,24,13,23,55,0,24,-120,-127,-156,-120,-143,-145,-164,-132,-231,-227,-242,-242,-228,-225,-224,-216,-211,-95,-95,-95,-95,-95,-95,-95,-95,-95,-95,-95,-95,-8,-95,-8,-59,-33,-59,-59,-66,-66,-66,-66,-104,-104,-104,-104,-104,0,0,0,-104,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 a5 9. h3 Qc7 10. b3 exd4 {C41: Philidor Defence.} 11. Nxd4 Ne5 12. Bf1 Re8 13. Bf4 Qb6 14. Kh1 Bd7 15. Qd2 Rad8 16. Rad1 Bc8 17. Bh2 {[#]} Bf8 $146 (17... Ng6 $1 $11) ({Predecessor:} 17... h6 18. Qe3 Bf8 19. f4 Ng6 20. Qf3 Nh4 21. Qg3 Ng6 22. Qf3 Qb4 23. g3 Qb6 {0-1 (56) Mas,H (2413)-Bitoon,R (2504) Kuala Lumpur 2011}) 18. Nf5 (18. f4 $14) 18... Bxf5 $11 19. exf5 Ned7 20. Rxe8 Nxe8 21. Re1 d5 {Threatens to win with ...Bb4.} 22. Nd1 Nef6 23. f3 Bb4 24. c3 Bf8 25. g4 (25. Qb2 $1 $15) 25... h6 (25... Qxb3 $19 26. Qb2 Nc5 27. Qxb3 Nxb3) 26. h4 (26. Qb2 $1 $15) 26... Qxb3 27. g5 Qxa4 {White must now prevent ...Nh5.} 28. gxf6 Nxf6 ({Of course not} 28... Qxh4 $6 29. fxg7 Bxg7 30. Be2 $11) 29. Bg3 Bd6 (29... Nh5 $17 30. Kg2 Nxg3 31. Kxg3 Qa3) 30. Bf2 b5 (30... Re8 $17 31. Rxe8+ Nxe8) 31. Bd4 {Hoping for Bxb5!} Nh5 32. f6 $1 {[%cal Rf6g7]} Bf4 33. Qd3 (33. Ne3 $11) 33... c5 $2 ({And not} 33... Nxf6 34. Bxf6 gxf6 35. Nb2 $11) ({Stronger than} 33... gxf6 34. Bh3 $14) (33... Bg3 $1 $17 {[%cal Rg3e1]} 34. Nb2 Qa3) 34. Bxc5 Bg3 {[#]} (34... Be5 $11 {remains equal.} 35. Bd4 (35. Rxe5 $2 Qxh4+ {[%mdl 64] Double Attack} 36. Kg1 Qg3+ {[%mdl 64] Double Attack} 37. Kh1 Qxe5 $19) 35... Bxd4 36. cxd4 Nxf6) 35. Re4 $1 $16 {[%cal Re4a4][%mdl 64] Pin} Qa2 {[%csl Gg3][%cal Ra2h2] [#]} 36. Re2 (36. Qe2 $1 $16 Qxe2 37. Rxe2) 36... Qa4 ({Black should try} 36... Qc4 $14 37. Qxc4 dxc4) 37. Re4 Qa2 {[%csl Gg3][%cal Ra2h2] [#]} 38. Bg1 Nxf6 (38... Bxh4 {keeps more tension.} 39. Rg4 Ng3+ 40. Rxg3 Bxg3 41. Ne3 Qa4) 39. Re2 Qc4 40. Qxc4 dxc4 41. Ne3 Bxh4 42. Ra2 (42. Rb2 $14) 42... a4 43. Nxc4 (43. Rb2 $1 $11) 43... bxc4 $17 44. Rxa4 Nd5 45. Rxc4 Bf6 46. Bd4 Rb8 47. Bd3 (47. Bxf6 $17 Nxf6 48. Rc6) 47... Bxd4 $19 48. Rxd4 Nxc3 {[%mdl 4096] Endgame KRB-KRN} 49. Rd7 Na4 50. Bc4 Rf8 51. Rc7 {[#]} Nb6 (51... Nb2 $1 $19 {has better winning chances.} 52. Ba6 Ra8) 52. Bb3 $17 {[#]} Nc8 $1 53. Bxf7+ Rxf7 54. Rxc8+ {KR-KR} Rf8 55. Rc3 Kh7 56. Kg2 Kg6 57. Kg3 Kh5 (57... Re8 $17) 58. Rc1 (58. Rc5+ $11 {keeps the balance.} Kg6 59. Kg4) 58... g5 (58... Kg5 $17) 59. Rh1+ Kg6 60. Rf1 Rf4 61. Rc1 h5 62. Rc6+ Rf6 63. Rc3 h4+ 64. Kg2 Kh5 65. Rc8 Rb6 ({Black should play} 65... Rf4 $17 66. Rh8+ Kg6) 66. Rh8+ $11 Kg6 67. Rg8+ (67. f4 $1 $11) 67... Kh6 (67... Kf5 $17 68. Kh3 Rb1 69. Rf8+ Ke6 70. Re8+ Kf7) 68. f4 $1 {The position is equal.} Rb2+ 69. Kf3 Rb3+ 70. Kf2 gxf4 71. Rg4 h3 (71... Kh5 {is more complex.} 72. Rxf4 Rg3 73. Rf3 Rg4 74. Rf8 Rg6) 72. Rxf4 Kg5 73. Rf8 h2 74. Kg2 Rb2+ 75. Kh1 Kg4 76. Rf4+ Kxf4 {White happily takes the draw.  Weighted Error Value: White=0.35/Black=0.30} 1/2-1/2

[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "1.1"]
[White "Fier, Alexandr"]
[Black "Santos Latasa, Jaime"]
[Result "0-1"]
[ECO "C80"]
[WhiteElo "2558"]
[BlackElo "2600"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,142,0,5,0,0,0,0,0,0,0,0,-73,-77,-108,-43,-45,-26,-57,0,0,10,4,14,11,25,25,77,66,69,69,70,72,64,46,44,43,108,92,87,99,89,73,107,95,136,97,135,128,142,23,3,22,55,55,62,0,0,0,0,0,0,6,6,6,13,0,0,0,0,-1110,-997,-1034,-1011,-1000,-409,-408,-408,-394,-308,-952,-898,-936,-853,-1522,-1396,-1177,-1158,-1129,-1058,-963,-838,-1492,-1470,-1710,-1639,-29978,-3579,-2327,-2105,-2578,-2145,-29974,-29975,-29981,-29981,-29983,-29984,-29984,-29985,-29984,-29981,-29988,-29989,-29990,-29991,-29991,-29992,-29994,-29995,-29995,-29996,-29997,-29998,-29998,-29997,-29997,-29994]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. a4 b4 9. dxe5 Be6 10. Nbd2 {Black should prevent Nxe4. C80: Open Ruy Lopez: Sidelines and 9 Nbd2.} Be7 11. Nxe4 dxe4 12. Bxe6 {The position is equal.} Qxd1 13. Rxd1 {And now Bd7+ would win.} fxe6 {[#]} 14. Nd2 $146 (14. Ng5 $11) ({Predecessor:} 14. Ng5 Bxg5 15. Bxg5 Nxe5 16. Re1 Nf7 17. Bf4 Nd6 18. Bxd6 cxd6 19. Rxe4 Kd7 20. Rxb4 {1-0 (77) Droin,A (2313)-Kusa,J (2177) chess.com INT 2020}) 14... O-O-O $17 15. Rf1 {[#]} e3 ({Much worse is} 15... Nxe5 $6 16. Nxe4 Nc6 17. c3 $14) ({Black should try} 15... Nd4 $1 $17 {[%cal Rd4e2]} 16. Nxe4 Nxc2) 16. fxe3 $15 Nxe5 17. Ne4 Rhf8 ({Black should play} 17... Nd7 $15) 18. b3 $1 $11 g6 (18... Ng4 {seems wilder.} 19. h3 Rxf1+ 20. Kxf1 Nf6 21. Nf2 Nh5) 19. Bb2 Ng4 20. Rxf8 Bxf8 21. Re1 Bh6 (21... Be7 $11) 22. Bd4 $16 {Strongly threatening h3.} e5 23. Bc5 {Black must now prevent h3.} Bf8 24. h3 {Threatens to win with Bxf8.} Nf6 25. Nxf6 (25. Bxf8 {is interesting.} Rxf8 26. Rf1 Nd7 27. Rd1 Rf5 28. Rd3) 25... Bxc5 $14 {[%mdl 4096] Endgame KRB-KRN} 26. Ne4 Bb6 (26... Be7 $14) 27. Kf2 $16 Rf8+ {[#]} 28. Ke2 $1 Kd7 29. Rd1+ Ke7 30. a5 Ba7 31. g4 h6 32. h4 Ke6 33. Rh1 (33. h5 $16) 33... Kd5 $11 34. Nd2 e4 35. h5 g5 36. Rf1 ({Better is} 36. Rc1 $14) 36... Rxf1 37. Nxf1 {KB-KN} Bc5 38. Ng3 Bf8 39. Nf5 c5 40. Kd2 c4 41. bxc4+ Kxc4 42. Nd4 Bg7 43. Ne6 {[%mdl 8192] Black keeps a firm grip on the game.} (43. Nf5 $11 Bf8 44. Nd4) 43... Bc3+ $19 44. Kd1 Kb5 45. Nd8 Kxa5 46. Nf7 Bg7 47. Nd6 Kb6 48. Nxe4 $2 (48. Nf5 Bb2 49. Nd6) 48... Kc6 49. Kc1 Be5 50. Nf2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 51. Nd3 Kd5 52. Kb1 Bd6 53. Nb2 Ke4 54. Nc4 Bc7 55. Kb2 a4 56. c3 bxc3+ (56... Kd3 $142 57. Na3 bxa3+ 58. Kxa3 Kxe3 59. Ka2 Bd6 60. Kb1 Kd3 61. Kb2 Kc4 62. Kc2 a3 63. Kb1 Kxc3 64. Kc1 a2 65. Kd1 a1=Q+ 66. Ke2 Bg3 67. Kf3 Qe1 68. Kg2 Qf2+ 69. Kh3 Qh2#) 57. Kxc3 Kf3 58. Kb4 Kxg4 59. Kxa4 Kf3 {Black mates.} 60. e4 g4 61. e5 g3 62. e6 Bd8 63. Ne5+ Ke4 64. Nf7 Be7 65. Kb5 g2 66. Kc6 g1=Q 67. Kd7 Qc5 68. Nh8 Qd6+ 69. Ke8 Qxe6 70. Ng6 Bg5+ 71. Kf8 Qg4 {Weighted Error Value: White=0.90/Black=0.25} 0-1

[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "1.2"]
[White "Grigoryan, Karen H."]
[Black "Korobov, Anton"]
[Result "0-1"]
[ECO "E36"]
[WhiteElo "2659"]
[BlackElo "2683"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,86,22,8,0,18,-14,12,0,0,0,0,-11,13,14,34,39,134,116,133,135,293,275,290,0,0,0,0,0,0,0,0,-4,0,0,0,0,0,-9,-6,-9,-12,-36,-1,-101,-4,-6,0,-1,0,0,0,-1,0,0,3,0,0,-8,-8,-8,-8,-202,-191,-1464,-1387,-1571,-1542,-12797,-12777,-12797,-12797,-6095,-5102]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. Nf3 dxc4 8. Qxc4 b6 9. Bg5 {E36: Nimzo-Indian: Classical: 4...d5 5 a3.} Ba6 10. Qc2 c5 {is the legacy move (10...Nbd7).} 11. dxc5 {The position is equal.} bxc5 12. Qxc5 Nbd7 13. Qd4 Qb8 14. g3 Rc8 15. Bg2 Rc2 (15... Nd5 $14) 16. O-O $16 Bxe2 {[#]} 17. Rfc1 $146 ({Predecessor:} 17. Rfe1 Nd5 18. Nd2 Bb5 19. a4 Bc6 20. Rac1 Rxc1 21. Rxc1 Bb7 22. Nc4 N5b6 23. Nxb6 Nxb6 24. Bf4 {1-0 (24) Hoang,T (2408)-Sachdev,T (2391) Ashkhabad 2017}) 17... Rxb2 (17... Rxc1+ $16 {was worth a try.} 18. Rxc1 Nd5) 18. Bxf6 $18 Nxf6 {[#]} 19. Ne5 $2 (19. Ng5 $1 $18) 19... Nd5 $1 $11 20. Bxd5 exd5 21. Qxd5 Qb7 22. Qxb7 Rxb7 23. Rc2 Bh5 24. Rac1 {Threatening mate with Rc8+.} Re8 25. Rc8 {[%cal Rc8e8]} (25. Rc7 {feels hotter.} Rxc7 26. Rxc7 f6 27. Nc6 Bf3 28. Kf1) 25... f6 26. Nd3 Rxc8 27. Rxc8+ {[%mdl 4096] Endgame KRB-KRN} Kf7 28. Kg2 Bg4 29. Rc6 {[#]} (29. Rc3 $11 {remains equal.}) 29... Bd7 ({Better is} 29... Rb3 $1 $17 {[%cal Rb3d3]} 30. Rc7+ Kg8) 30. Rc3 Be6 31. Kf3 Rb3 32. Rxb3 Bxb3 {KB-KN} 33. Ke3 g5 34. Kd4 h5 35. Kc5 Ke6 36. Kc6 {Threatens to win with Nc5+.} Kf5 37. Nc5 Bd1 38. h3 $2 (38. Kd6 $11 {and White stays safe.}) 38... h4 39. Kb5 $2 (39. Kd5) 39... Be2+ $19 {Black is clearly winning.} 40. Kc6 Bf1 41. gxh4 gxh4 42. Kb7 Bxh3 43. Kxa7 Bg2 {What a bad dream for White.  Weighted Error Value: White=0.74/Black=0.21} 0-1

[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "1.2"]
[White "Santos Latasa, Jaime"]
[Black "Fier, Alexandr"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2600"]
[BlackElo "2558"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,73,46,41,12,34,7,17,11,31,18,27,28,41,32,107,106,117,97,108,72,67,76,85,43,74,67,65,81,61,77,68,62,93,12,33,18,14,4,240,191,208,212,511,512,757,713,701,585,593,585,579,502,747,707,1152,1136,2158,1111,1054,1018,2075,1991,29998,29999]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 5. Be2 g6 6. O-O Bg7 7. h3 {B04: Alekhine's Defence: 4 Nf3.} O-O 8. Re1 $5 {[%mdl 4] A promising side line.} Nc6 {[%cal Rd6e5]} 9. exd6 {The position is equal.} cxd6 {[#]} 10. d5 $146 ({Predecessor:} 10. Bg5 f6 11. Be3 e5 12. Nc3 Qe7 13. dxe5 dxe5 14. Bxb6 axb6 15. Nd5 Qd8 16. Bc4 Kh8 17. Qe2 f5 18. c3 {½-½ (18) Etchegaray,P (2270)-Lahilhanne,P (2090) Montpellier 1991}) 10... Nb4 11. c4 $1 Bf5 12. Na3 Rc8 {[#]} (12... Re8 $14) 13. Nd4 $1 $16 Bd7 14. Be3 Na4 15. Qd2 a5 16. Nb1 f5 17. f4 Na6 18. b3 N4c5 19. Nc3 a4 20. Rab1 axb3 21. axb3 Nb4 22. Nd1 (22. Ncb5 $16 Nba6 23. Nc3) 22... Qa5 23. Nf2 {[%cal Bd1f2,Bf2d3,Bd3b2][%mdl 32]} Ra8 24. Kh2 Nca6 $2 {This costs Black the game.} (24... Rfe8 $11) 25. Nd3 {Hoping for Ra1.} Qa2 {[#] aiming for ...Qxd2.} 26. Nb2 $1 {Ra1 is the strong threat.} ({Inferior is} 26. Nxb4 Qxd2 27. Bxd2 Bxd4 $11) 26... Bxd4 $2 (26... Qa5 27. Nc2 Qa2) 27. Bxd4 $18 ({And not} 27. Qxd4 Nc2 $11) 27... Qxb3 {intending ...Qc2.} 28. Bd1 Qa2 29. Rxe7 {White wants to mate with Rg7+.} Rf7 30. Rxf7 Kxf7 31. Rc1 Re8 32. Bc3 {And now Qd4 would win.} Qa3 33. Qd4 {[%csl Gc3][%cal Rd4g7]} Rf8 34. Qf6+ Ke8 35. Qxd6 {Black must now prevent Ba4!} Rf7 {[#]} 36. Ba4 $1 {[%mdl 512] Intending Re1+ and mate.} Bxa4 (36... Nc2 37. Re1+) 37. Re1+ {Weighted Error Value: White=0.21/Black=0.77} 1-0

[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "1.2"]
[White "Nevednichy, Vladislav"]
[Black "Moussard, Jules"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2546"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,80,16,14,31,29,33,-4,0,0,0,-78,-77,-77,-77,-66,-77,-100,-95,-93,-102,-106,-101,-110,-105,-132,-76,-409,-408,-391,-394,-346,-350,-641,-641,-641,-645,-645,-645,-595,-539,-641,-639,-639,-591,-591,-591,-591,-591,-737,-598,-728,-706,-1174,-1131,-1546,-1498,-1337,-1109,-2033,-1985,-29980,-29981,-29997,-29998]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. Qd2 Ng4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 11. Bxg4 Bxg4 12. f4 {[#]} Nxd4 $146 {The position is equal.} ({Predecessor:} 12... Bd7 13. Nb3 b6 14. Nd5 Rb8 15. Qf2 Bxb2 16. Rab1 Bg7 17. Bxb6 Qc8 18. a5 e6 {1-0 (31) Varshini,V (2105)-Harazinska,E (2087) Porto Carras 2015}) 13. Bxd4 e5 14. fxe5 (14. Be3 $11) 14... dxe5 $17 15. Be3 Qxd2 16. Bxd2 Rac8 17. Rfc1 Be6 18. a5 Rfd8 19. Be3 Bf8 20. Nd1 Bc5 $36 {[%mdl 2048] Black is really pushing.} 21. Kf2 f5 (21... Bb4 $142 22. Kg1 Bd2 23. Bxd2 Rxd2) 22. Ke2 $2 {[%mdl 8192]} (22. Bxc5 $17 {is more resistant.} Rxc5 23. Ke2) 22... Bc4+ $19 23. Ke1 {[#]} Rxd1+ $1 {[%mdl 576] Remove Defender} 24. Rxd1 {Strongly threatening Bxc5.} Bxe3 25. Rd7 $2 (25. exf5 gxf5 26. c3) 25... Bb5 26. Rxb7 Rxc2 {[%mdl 64] And now ...Bd3 would win. Double Attack} 27. Rxb5 axb5 {[%mdl 4096] Endgame KRB-KR} 28. a6 Rc7 29. exf5 gxf5 30. Ra5 Ra7 31. Rxb5 Bd4 32. Ra5 Bxb2 {[#] aiming for ...Bc3+.} 33. Ke2 Kf7 34. Kf3 Ke6 35. h4 h5 36. g3 Bd4 37. Ra4 e4+ 38. Kf4 Be5+ 39. Kg5 Bxg3 40. Kxh5 Kf6 {[%cal Ra7h7] Black took control after the opening.  Weighted Error Value: White=0.72/Black=0.08} 0-1

[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "2.1"]
[White "Korobov, Anton"]
[Black "Checa, Nicolas"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2683"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,66,23,24,20,21,23,24,45,42,41,8,12,10,8,14,51,41,44,40,66,49,38,24,39,4,19,24,30,15,154,164,156,125,251,251,257,254,411,407,407,421,452,441,433,432,394,383,522,522,523,507,632,535,535,535,29998,29999,29999]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bg5 e6 6. e3 Nc6 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} 7. Bd3 h6 8. Bh4 a6 {White has an edge.} 9. Rc1 Be7 10. f4 O-O 11. Nf3 Ng4 12. Bxe7 {[#]} Qxe7 $146 ({Predecessor:} 12... Nxe7 13. Qe2 Nf5 14. Nd1 Bd7 15. O-O Ba4 {0-1 (49) Walter,M-Gruenfeld,E Moravska Ostrava 1923}) 13. Qd2 Bd7 14. O-O Rfc8 15. h3 Nf6 16. Ne5 Be8 17. Rf3 Rc7 18. Rcf1 Rac8 19. Qf2 Na5 {[#]} (19... Nb4 $11 20. Bb1 Ne4 21. Nxe4 (21. Bxe4 dxe4 22. Nxe4 f6 $17) 21... dxe4 22. Bxe4 Bb5) 20. f5 $1 $16 Nc4 21. fxe6 fxe6 {A mistake that costs the game.} (21... Nxe5 $16 22. dxe5 Ne4 23. Nxe4 dxe4 24. Bxe4 (24. exf7+ Bxf7 25. Bxe4 Qxe5 $16) 24... Qxe6) 22. Bxc4 $18 dxc4 23. Qh4 {[%cal Rf3f6] aiming for Rxf6.} Nd5 (23... Nh7 {might work better.} 24. Qg4 h5) 24. Qg4 Nxc3 25. bxc3 b5 26. Rf8+ {[%mdl 64] [#] Deflection} Qxf8 27. Rxf8+ Kxf8 28. Qxe6 a5 29. d5 {And now d6 would win.} Rd8 {and the idea ...Re7 leaves Black hopeful.} 30. d6 Ra7 31. e4 b4 32. d7 bxc3 33. dxe8=Q+ Rxe8 34. Ng6# {Weighted Error Value: White=0.09/Black=0.60} 1-0

[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "2.1"]
[White "Santos Latasa, Jaime"]
[Black "Moussard, Jules"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "2600"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,93,81,90,83,97,59,65,58,87,77,80,63,82,44,70,54,105,95,108,103,80,87,95,96,127,111,132,110,111,93,281,289,283,286,475,115,104,12,13,-213,-232,-322,-314,-448,-446,-522,-507,-468,-383,-447,-456,-839,-831,-843,-814,-29973,-29975,-29972,-29973,-29978,-29979,-29982,-9475,-5614,0,-29982,-29983,-29990,-29991,-29991,-29972,-29961,0,-29991,0,-12834,0,-29976]} 1. d4 d6 2. e4 g6 3. c4 Bg7 4. Nc3 Nc6 5. d5 Nd4 6. Be3 c5 7. Nge2 Nxe2 8. Bxe2 Nf6 9. O-O O-O 10. h3 {A42: Modern Defence: Averbakh Variation.} e6 11. Qd2 exd5 12. exd5 {[#] White is slightly better.} Bf5 $146 ({Predecessor:} 12... Re8 13. Bd3 a6 14. a4 Nd7 15. Rae1 Qc7 16. Bh6 Nf6 17. Bxg7 Kxg7 18. Rxe8 Nxe8 {0-1 (40) Stankovic,Z (2228)-Zozulia,A (2347) Ascona 2007}) 13. g4 Bd7 14. Rae1 Re8 15. Bd3 h5 16. f3 Rxe3 17. Rxe3 $16 ({But not} 17. Qxe3 Nxd5 18. Qd2 (18. cxd5 $2 Bd4 $19) 18... Nxc3 $11) 17... Bh6 18. g5 Bxg5 19. f4 Bh6 20. Qf2 $36 {[%mdl 2048] Black is under strong pressure.} Qf8 21. Rfe1 a6 22. a4 Qc8 23. Qh4 Kg7 {[#]} (23... Nh7 $16) 24. Bxg6 $1 $18 {[%mdl 512]} Kxg6 25. Rg3+ Ng4 $2 (25... Bg4 {might work better.}) 26. hxg4 $2 (26. Re7 $18 {is more deadly. aiming for Ne4.} Qh8 27. hxg4 (27. Rxd7 Qd4+ 28. Kh1 Qxf4 $16) 27... Bxg4 28. f5+ Kg7 29. Ne4 (29. Qxh5 $2 Be3+ 30. Rexe3 Qxh5 $19)) 26... Bxg4 $16 27. Rf1 (27. Qe7 $16) 27... Qf5 $1 $11 {Threatening ...Re8.} 28. Nd1 $2 (28. Qe7 $11 {and White has nothing to worry.}) 28... Bxf4 $19 29. Rg2 {[#]} Re8 $1 30. Nf2 (30. Qf2 {was worth a try.} Re4 31. Qc2) 30... Re2 31. Nxg4 Rxg2+ 32. Kxg2 hxg4 {[%mdl 4096] Endgame KQR-KQB} 33. Qe1 Qe5 34. Qxe5 (34. Qb1+ $142 f5 35. Qd3) 34... Bxe5 {KR-KB} 35. a5 f5 36. Rb1 f4 37. b4 f3+ 38. Kf2 Kf5 39. bxc5 Bd4+ (39... Kf4 $142 40. Rd1 g3+ 41. Kf1 dxc5 42. Rd2 Bd4 43. d6 Ke3 44. Rxd4 g2+ 45. Kg1 cxd4 46. d7 Ke2 47. d8=Q f2+ 48. Kxg2 f1=Q+ 49. Kg3 Qf3+ 50. Kh4 d3 51. Qe7+ Qe3 52. Qa3 Qf4+ 53. Kh5 Qf5+ 54. Kh6 Qf6+ 55. Kh7 d2 56. Qa2 Ke1 57. Qb3 d1=Q 58. Qe3+ Qe2 59. Qxe2+ Kxe2 60. c5 Qf8 61. c6 bxc6 62. Kg6 Kf3 63. Kg5 Qf7 64. Kh6 Qg8 65. Kh5 Qg7 66. Kh4 Qh6#) 40. Kg3 Be5+ (40... dxc5 $19 41. Rb6 Be5+ 42. Kf2 Kf4) 41. Kf2 {With the idea c6.} Kf4 42. Rd1 g3+ 43. Kf1 Ke3 44. Re1+ Kf4 45. Rd1 Ke3 (45... g2+ $142 46. Kf2 dxc5 47. d6 Kg4 48. d7 Bg3+ 49. Ke3 Bh4 50. d8=Q Bxd8 51. Ke4 {[#]} f2 $1 52. Rxd8 g1=Q 53. Rg8+ Kh5 54. Rh8+ Kg6 55. Rg8+ Kf7 56. Rxg1 fxg1=Q 57. Kd3 Qd1+ 58. Ke3 Ke6 59. Kf2 Kf5 60. Ke3 Kg4 61. Kf2 Qd2+ {[%mdl 64] Double Attack} 62. Kf1 Kh3 63. Kg1 Qg2#) 46. Re1+ Kf4 (46... Kd2 $19 47. Re4 Kd3 48. Rxe5 dxe5) 47. Rd1 {[%mdl 32768] Weighted Error Value: White=0.67/Black=0.79. An unexpected result.} 1/2-1/2

[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "2.1"]
[White "Nevednichy, Vladislav"]
[Black "Fier, Alexandr"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2546"]
[BlackElo "2558"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,14,36,0,0,-28,-25,-33,-36,-46,-51,-43,-30,-43,-37,-48,-41,-50,-48,-104,0,-4,-7,-7,-25,-15,30,22,28,29,26,-18,-18,-30,-22,-92,-6,0,0,-55,-39,-168,-172,-651,-639,-631,-590,-1704,-1675,-1616,-1616,-1616,-1616,-1605,-1586,-1616,-1605,-1427,-1318,-993,-599,-29952,-6684,-29959,-29957,-29969,-29970,-29974,-29973,-29973,-29974,-29974,-29975,-29975,-29976,-29976,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29983,-29984,-29984,-29985,-29985,-29986,-29986]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. h3 Bg7 6. Bb5+ {B04: Alekhine's Defence: 4 Nf3.} c6 7. Be2 dxe5 8. Nxe5 {Black has an edge.} O-O 9. O-O c5 {[#]} 10. Bf3 $146 ({Predecessor:} 10. Nf3 cxd4 11. Nxd4 Nc6 12. Nxc6 bxc6 13. c4 Nb6 14. Nc3 Be6 15. c5 Nd5 16. Bd2 Rb8 17. Qc1 {0-1 (35) Aydinalp,S (1793)-Darban,M (2300) Izmir 2017}) 10... Nb4 11. c3 cxd4 12. Nxf7 Rxf7 13. cxb4 Nc6 14. Qb3 (14. Re1 $15) 14... d3 ({Black should try} 14... Qd6 $1 $17 {Hoping for ...Be6.} 15. Nd2 Be6) 15. Bd5 e6 $1 {[%cal Re6d5]} 16. Bxc6 bxc6 17. Be3 Qd5 18. Nc3 Qxb3 19. axb3 e5 20. b5 cxb5 21. Nxb5 Be6 22. b4 {[#]} (22. Nd6 $11 {keeps the balance.}) 22... Bb3 (22... Rb7 $1 $17 {[%cal Rb7b5]} 23. Nxa7 Rxb4) 23. Ra3 Bc2 24. Rfa1 ({White should play} 24. Nd6 $11 Rc7 25. Ne4) 24... e4 25. Rxa7 {This move loses the game for White.} (25. Nd6 $15 Re7 26. Nc4) 25... Rfxa7 $19 26. Rxa7 (26. Nxa7 Bxb2 27. Ra5) 26... Rxa7 27. Nxa7 $15 {[%mdl 4096] Endgame [#] KBB-KBN} Bd4 $1 {[%cal Rd4e3][%mdl 512]} 28. Nb5 (28. Bxd4 d2) 28... Bxe3 29. fxe3 $19 {KB-KN} d2 30. Nc3 d1=Q+ 31. Nxd1 Bxd1 {KB-KP} 32. b5 Ba4 33. b6 Bc6 34. Kf2 Kf7 35. h4 Ke6 36. Kg3 Kf5 {Black mates.} 37. b4 g5 38. b5 Bb7 39. hxg5 Kxg5 40. Kh3 Bc8+ 41. Kg3 h5 42. Kf2 Kg4 43. Kf1 Kg3 44. Kg1 h4 45. Kf1 h3 46. gxh3 Kxh3 47. Ke2 Kg3 48. Kd2 Kf3 49. Kc3 Kxe3 50. Kc4 {Weighted Error Value: White=0.70/Black=0.10} 0-1

[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "2.2"]
[White "Moussard, Jules"]
[Black "Santos Latasa, Jaime"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2626"]
[BlackElo "2600"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,42,-7,-16,11,2,30,13,20,16,14,27,67,0,0,0,0,0,0,-7,0,0,0]} 1. Nf3 Nf6 2. b3 e6 3. Bb2 Be7 4. g3 O-O 5. Bg2 d5 6. O-O b6 7. c4 Bb7 8. d3 c5 9. e3 Nc6 10. Qe2 Qc7 11. a3 Rfd8 12. Nbd2 Rd7 {A14: English Opening: 1...e6 with b3 by White.} 13. Rac1 Rad8 14. cxd5 Nxd5 15. Nc4 Bf6 16. Rfd1 Qb8 {[#]} 17. Ne1 $5 $146 {[%mdl 8] New and interesting.} (17. e4 $1 $14) ({Predecessor:} 17. e4 Nc7 18. Bxf6 gxf6 19. e5 Ne8 20. exf6 Nxf6 21. Nfe5 Nxe5 22. Nxe5 Rd4 23. Qe3 {0-1 (44) Kanovsky,D (2455)-Roubalik,J (2399) Czech Republic 2016}) 17... Bxb2 $11 {The position is equal.} 18. Qxb2 h6 19. Nc2 Nde7 20. Ne1 Nd5 21. Nc2 Nde7 {Weighted Error Value: White=0.09/Black=0.12} 1/2-1/2

[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "2.2"]
[White "Fier, Alexandr"]
[Black "Nevednichy, Vladislav"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2558"]
[BlackElo "2546"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,27,22,39,47,37,37,58,43,46,43,46,48,68,62,63,65,82,76,170,140,153,54,154,83,194,206,230,105,370,353,347,314,295,159,161,124,175,-83,-72,-92,-73,-91,-22,-24,0,0,7,0,243,-61,490,491,650,650,2260,1950,29979,29980,29978,29962]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e6 7. Be3 h5 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack.} 8. Qd2 a6 9. O-O-O Be7 {White is slightly better.} 10. h3 $5 {[%mdl 4] Exploring less charted territory.} Bd7 11. Bd3 h4 12. f4 Qc7 13. Nf3 b5 14. Kb1 {[#]} Nh5 $146 ({Predecessor:} 14... b4 15. Na4 Rb8 16. Qf2 e5 17. b3 exf4 18. Bxf4 Ne5 19. Nb2 Nxf3 20. gxf3 Nh5 {1-0 (55) Villaescusa Navalon,M-Schwarz,J (2315) ICCF email 2010}) 15. Rhe1 Na5 (15... b4 $16 {was worth a try.}) 16. Qf2 {Threatens to win with Bb6.} Nc4 17. Bc1 (17. Bxc4 $16 {And now Bd3 would win.} Qxc4 18. Rd4) 17... Rb8 (17... Qb6 $14 18. Qxb6 Nxb6) 18. e5 (18. Bxc4 $142 {Bd3 is the strong threat.} Qxc4 19. e5) 18... d5 (18... Qc5 $16 19. Qxc5 dxc5) 19. f5 $1 $18 b4 20. fxe6 (20. Ne2 $1 $18) 20... fxe6 $2 {[%mdl 8192] [#]} (20... Bxe6 $16 21. Ne2 Ng3) 21. Nxd5 $1 {[%mdl 512]} exd5 22. Bg6+ {[%mdl 64] Discovered Attack} Kd8 23. Rxd5 (23. Bg5 $1 $18 Bxg5 24. Nxg5) 23... Kc8 $16 24. Nd4 Rf8 25. Qg1 ({White has to play} 25. Nf5 $1 $18 {[%cal Rf5e7]} Na3+ 26. Ka1 (26. bxa3 bxa3+ 27. Bb2 Rxb2+ $19)) 25... Nf4 $17 26. Bxf4 Rxf4 27. g3 {[#]} Rxd4 28. Qxd4 $11 {[#] Hoping for g4.} Na3+ $1 29. bxa3 bxa3+ 30. Kc1 {Black must now prevent Qd3.} Be6 $2 {[#]} (30... Rb4 $11 {and Black stays safe.} 31. Qe3 Qb7 32. Rc5+ Kb8) 31. Kd2 $2 (31. gxh4 $2 Rb4 $19) ({White must play} 31. Rd6 $1 $18 Qa5 (31... Bg5+ 32. Kd1) 32. Re3) 31... Qc6 $2 {[%mdl 8192] [#]} (31... Rb4 $1 $15 {keeps the upper hand.} 32. Qd3 {[%mdl 64] Double Attack} Bxd5 33. Qxd5 Qd7 34. Qxd7+ Kxd7) 32. Rd6 $1 $18 {[%cal Rd6c6]} Bg5+ {[#]} ({Wrong is} 32... Qg2+ $2 33. Re2) (32... Bxd6 33. exd6) 33. Re3 $1 Qg2+ (33... Qc4 34. Qxc4+) 34. Kc3 {White threatens Qc5+ and mate.} ({Less strong is} 34. Kd3 Qf1+ 35. Kd2 Qf2+ 36. Kc3 (36. Kd3 Qf1+ {[%mdl 64] Double Attack} 37. Kd2 Qf2+ {[%mdl 64] Double Attack, Pin} 38. Kd3 Qf1+ $14 {[%mdl 64] Double Attack}) 36... Qxe3+ $14) 34... Bxe3 35. Rd8+ Kb7 36. Be4+ {Weighted Error Value: White=0.55/Black=0.93} 1-0

[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "2.2"]
[White "Checa, Nicolas"]
[Black "Korobov, Anton"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2527"]
[BlackElo "2683"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,79,41,49,31,83,72,108,104,111,97,106,99,103,96,175,168,174,162,179,160,235,238,215,212,203,199,204,197,234,235,225,235,233,201,246,266,330,318,308,229,243,236,300,305,288,298,440,435,453,458,456,458,458,458,437,446,409,397]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bh4 g5 11. Bg3 Nh6 12. dxe5 dxe5 13. h3 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1.} Nf7 {[#]} ({Better is} 13... Qxd1 $14 14. Raxd1 (14. Rfxd1 g4 $14) 14... Be6) 14. Qb3 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 14. Qc2 Nd4 15. Nxd4 exd4 16. Rad1 c6 17. c5 Ne5 18. Bxe5 fxe5 19. Bg4 Bxg4 20. hxg4 {½-½ (56) Ioseliani,N (2499)-Xie,J (2557) Shanghai 2001}) 14... Nd4 15. Nxd4 {White is better.} exd4 16. Nb5 c5 17. Nc7 Rb8 {[#]} 18. Na6 $1 $36 {[%mdl 2560] Black is under strong pressure.} bxa6 (18... Ra8 $16 19. Nxc5 Qe7) 19. Qxb8 $18 Qe7 {[#]} 20. Qc7 $1 {[%cal Rc7e7]} Qxc7 21. Bxc7 f5 (21... Bb7 $16 {might work better.} 22. f3 Rc8) 22. exf5 Bxf5 23. Rfd1 Be5 24. Bxe5 Nxe5 25. Re1 Kg7 26. Bg4 Kf6 27. Bxf5 Kxf5 {[%mdl 4096] Endgame KRR-KRN} 28. b3 a5 29. Re2 d3 30. Re3 Rd8 31. Rd1 a4 32. f3 ({Weaker is} 32. bxa4 d2 $16) 32... a5 33. Kf2 ({Much less strong is} 33. bxa4 $6 h5 $18) 33... axb3 34. axb3 {[%cal Ba2b3,Bb3a4][%mdl 32]} a4 (34... Kf6 $142 35. Re4 Rb8) 35. Rde1 d2 36. Rxe5+ {[%mdl 64] Double Attack} Kf6 37. Re6+ Kf7 38. Re7+ Kf8 39. bxa4 dxe1=Q+ 40. Rxe1 {White took control after the opening.  Weighted Error Value: White=0.05/Black=0.24} 1-0

[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "2.3"]
[White "Korobov, Anton"]
[Black "Checa, Nicolas"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2683"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,57,-4,33,31,32,28,28,37,41,37,36,28,35,17,48,34,37,32,75,60,111,98,136,119,151,141,212,229,249,239,280,298,285,231,226,225,264,256,735,632,1822,1614,4994,2359,10822,11802,5322,5289,29999,29998]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bg5 Nbd7 6. e3 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} a6 7. Bd3 e6 8. f4 $5 {[%mdl 4] White has an edge. A promising side line.} Be7 9. Nf3 b5 10. O-O Bb7 {[#]} 11. f5 $146 ({Predecessor:} 11. Ne5 Ne4 12. Bxe7 Qxe7 13. Rc1 O-O 14. Nxe4 Nxe5 15. Ng5 Nxd3 16. Qxd3 g6 17. Nf3 {½-½ (49) Solak,D (2579)-Jovic,S (2292) Novi Sad 2009}) 11... O-O 12. fxe6 fxe6 13. Bf4 Qb6 14. a4 b4 {[#] White now steadily converts the win.} (14... Ne4 $14) 15. a5 $1 $16 Qd8 (15... Qa7 16. Na4) 16. Na4 {And now Ng5 would win.} Nh5 17. Be5 Nxe5 (17... g6 $16 {is a better defense.}) 18. Nxe5 $18 Rxf1+ 19. Qxf1 Nf6 20. Nb6 Ra7 21. Rc1 Bd6 22. h3 Bc7 23. Qf4 h6 $2 (23... Bd6 24. Qh4 Qe8) 24. Qg3 Bxb6 25. axb6 Qxb6 26. Ng4 {[#] Intending Qb8+ and mate.} Nxg4 27. Qb8+ Kf7 28. Rc7+ Kf6 29. Qf8+ {Weighted Error Value: White=0.10/Black=0.53} 1-0

[Event "VII Sunway Sitges Open-TB 2020"]
[Site "Sitges"]
[Date "2020.12.23"]
[Round "2.3"]
[White "Moussard, Jules"]
[Black "Santos Latasa, Jaime"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2626"]
[BlackElo "2600"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2020.12.13"]
[EventType "k.o."]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,150,-5,-14,-18,25,20,25,25,25,20,20,24,14,0,13,4,-16,-7,0,-6,5,-13,-13,-22,12,-12,19,13,10,16,8,10,37,11,47,0,6,8,27,0,204,-3,22,0,8,-9,-15,-9,23,23,23,23,23,18,20,20,186,186,186,180,179,164,146,139,215,155,218,-22,0,0,103,99,169,172,199,182,234,225,215,210,312,272,546,546,546,401,1596,1596,1596,1286,1279,1047,29975,29976,29976,0,0,0,0,0,0,0,0,0,23,0,0,0,0,0,0,0,29982,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29980,0,29980,0,29980,0,0,0,0,0,0,0,0,0,0]} 1. f4 b6 2. e4 Bb7 3. Nc3 e6 4. Nf3 d5 5. Bb5+ c6 6. Be2 {[#] B00: Queen's Fianchetto Defence, Nimzowitsch Defence.} Nf6 $146 ({Predecessor:} 6... d4 7. Nb1 c5 8. d3 Nf6 9. O-O Be7 10. a4 Nc6 11. Na3 Qc7 12. Qe1 h6 {1-0 (41) Mamedov,N (2602)-Ipatov,A (2590) Denizli 2013}) 7. e5 Nfd7 8. d4 {White has an edge.} c5 9. Be3 Nc6 10. O-O Be7 11. Bb5 Qc7 12. Ne2 a6 13. Bxc6 Bxc6 14. c3 f5 15. exf6 Nxf6 16. Ne5 Bb5 17. f5 Bxe2 18. Qxe2 exf5 19. Rxf5 O-O 20. Raf1 cxd4 21. cxd4 Bd6 22. Qf3 Ne4 23. g3 Qe7 24. Nf7 Nf6 $2 {[#]} (24... Qe6 $11) 25. Ne5 $2 (25. Nh6+ $1 $18 {[%mdl 512]} gxh6 26. Bxh6) 25... Ne4 26. Qg4 {Rf7 is the strong threat.} Rxf5 (26... Rf6 {seems wilder.} 27. Rxf6 Nxf6 28. Qf5 Rf8 29. Bg5 Qe8) 27. Rxf5 {Threatens to win with Rf7.} Nf6 28. Qf3 Rf8 29. Bg5 {Strongly threatening Bxf6.} Qe6 30. Bxf6 $40 {[%mdl 128] White attacks.} Rxf6 31. Rxf6 gxf6 32. Ng4 f5 {[#]} (32... Kf7 $1 $11) 33. Qxd5 $3 $18 {[%mdl 576] Decoy} Qxd5 34. Nf6+ {[%mdl 64] Double Attack} Kf7 35. Nxd5 {[%mdl 4096] Endgame KB-KN} b5 36. Ne3 f4 (36... Ke6 $16) 37. Nf5 Bb8 (37... Bc7 $16) 38. gxf4 $2 (38. g4 $18) 38... Ke6 39. Ng7+ Kf7 (39... Kd5 $11 {keeps the balance.}) 40. Nh5 $16 Kg6 (40... Ba7 $16 {was called for.}) 41. Ng3 $18 Bxf4 42. Kf2 h5 (42... Kg5 $142 43. Kf3 Bc7) 43. Kf3 Bd6 44. h3 Be7 (44... Bb8 {was worth a try.} 45. Nf1 Kg5) 45. Ke4 Kg5 (45... Bd6 {is a better defense.} 46. Nf5 Bh2 47. Nh4+ Kf6) 46. Nf5 Bf6 47. b3 {[%cal Bb2b3,Bb3a4][%mdl 32]} a5 (47... Bd8 $142 48. Ke5 Kg6) 48. a4 bxa4 49. bxa4 Bd8 50. d5 Bf6 51. d6 Bd8 52. d7 $2 (52. Nd4 Bb6 53. d7 Kh6 54. Nc6 Kg5 55. d8=Q+ Bxd8 56. Nxd8 Kh4 57. Nc6) 52... Kf6 $11 53. Nd4 (53. Nd6 {is interesting.} Ke6 54. Nc4 Bc7 55. Nd2 Bd8 56. Kd4) 53... Ke7 54. Nc6+ (54. Kd5 {looks sharper.} Kxd7 55. Kc5 Bf6 56. Nb3 Bc3 57. Kc4) 54... Kxd7 55. Nxd8 Kxd8 {KPP-KPP} 56. Kf5 (56. h4 {is interesting.} Kd7 57. Kd5 Kc7 58. Kc5 Kd7 59. Kb5) 56... Ke7 57. Kg5 (57. Ke5 {with more complications.} h4 58. Kd5 Kf6 59. Kc6 Kf5 60. Kb6) 57... Ke6 58. Kg6 h4 59. Kg5 Ke5 60. Kxh4 {KPP-KP} (60. Kg4 {keeps more tension.} Ke4 61. Kxh4 Kf4 62. Kh5 Kf5 63. Kh6) 60... Kf4 61. Kh5 Kf5 62. h4 Kf6 $1 63. Kg4 {White threatens Kf4 and mate.} Kg6 64. Kf4 {Intending Ke4 and mate.} Kh5 65. Kg3 (65. Ke3 {feels hotter.} Kxh4 66. Kd4 Kg5 67. Kd5 Kg6 68. Kc4) 65... Kg6 66. Kh3 {aiming for Kg4.} Kh5 (66... Kf5 {keeps more tension.} 67. Kg3 Kg6) 67. Kg3 Kh6 68. Kg4 Kh7 $2 {[%mdl 8192]} (68... Kg6 $11) 69. h5 $2 (69. Kf5 Kh6 70. Ke5 (70. Kg4 Kg6 $11) 70... Kh5 71. Kd4 Kxh4 72. Kc4 Kg5 73. Kb5 Kf6 74. Kxa5) 69... Kg8 $2 {[%mdl 8192]} (69... Kg7 $11) 70. Kg5 $2 (70. Kf5 Kg7 71. Ke5 (71. Kg5 Kh7 $11) 71... Kh6 72. Kd5 Kxh5 73. Kc5 Kg6 74. Kb5 Kf7 75. Kxa5) 70... Kh8 $2 {[%mdl 8192]} (70... Kg7 $11) 71. h6 $2 (71. Kf6 {mates} Kh7 72. Ke6 (72. Kg5 Kg7 $11) 72... Kh6 73. Kd5 Kxh5 74. Kc5 Kg6 75. Kb5 Kf7 76. Kxa5) 71... Kg8 {The position is equal.} 72. Kh4 {And now Kg4 would win.} Kh7 73. Kg5 Kg8 74. Kh5 Kh7 75. Kg5 Kg8 {[%mdl 32768] Weighted Error Value: White=0.30/Black=0.50. Sensor Board Error (Ke4/e5)?} 1-0

