[Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.1"] [White "Korobov, Anton"] [Black "Narciso Dublan, Marc"] [Result "1/2-1/2"] [ECO "C41"] [WhiteElo "2683"] [BlackElo "2492"] [Annotator "Shahid"] [PlyCount "85"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,85,37,45,30,39,24,34,36,39,40,41,51,91,14,16,18,52,45,59,37,53,54,60, 76,82,69,117,107,113,114,108,114,135,137,131,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 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 h6 9. Ba2 {C41: Philidor Defence.} Re8 10. h3 Bf8 {10...exd4 is becoming the main line.} 11. Be3 {White is slightly better.} b6 12. dxe5 dxe5 13. Nh4 Nc5 {[#]} 14. Qf3 ({White should try } 14. Qxd8 $1 $16 Rxd8 15. Ng6) 14... Be6 $11 {[#]} 15. Red1 $146 ({ Predecessor:} 15. Rad1 Qc8 16. Bxe6 {1/2-1/2 (16) Galkin,A (2598)-Kunin,V (2448) Port Erin 2005}) 15... Ncd7 16. Nf5 Bxa2 17. Rxa2 Qc7 18. Raa1 Red8 19. Rd2 Ne8 20. Rad1 Ndf6 {[#]} (20... Kh8) (20... Nc5) 21. Rxd8 $1 Rxd8 22. Rxd8 Qxd8 23. Qg3 Kh7 24. Qxe5 g6 25. Nd4 $2 (25. Qd4 $16 Qc7 26. Ng3) (25. Ng3) 25... c5 $1 {...Bd6 is the strong threat. The position is equal.} 26. Nc6 Qd7 { And now ...Bd6 would win.} 27. Qf4 Qxc6 28. e5 Bg7 {Hoping for ...Nd7.} 29. exf6 Nxf6 30. Qc4 Qd7 31. b3 Ne8 32. Qd5 Qe7 33. Qe4 Qd7 34. Nd5 Nf6 35. Nxf6+ Bxf6 36. a5 Bg5 37. Bxg5 hxg5 {[%mdl 4096] Endgame KQ-KQ} 38. a6 Qd1+ 39. Kh2 Qd2 40. Qb7 Qf4+ 41. Kg1 {Strongly threatening g3.} Qc1+ 42. Kh2 {Black must now prevent g3.} Qf4+ 43. Kg1 {Weighted Error Value: White=0.10/Black=0.06} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.2"] [White "Dardha, Daniel"] [Black "Cheparinov, Ivan"] [Result "0-1"] [ECO "B51"] [WhiteElo "2487"] [BlackElo "2688"] [Annotator "TA"] [PlyCount "90"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,90,18,4,30,13,0,24,14,0,0,0,13,9,27,-12,26,0,17,-7,0,0,0,0,0,0,0,0,0, 0,0,0,0,-45,-16,-110,-110,-111,-110,-111,-110,-110,-110,-164,-134,-128,-126, -177,-177,-177,-177,-184,-155,-256,-194,-4594,-4594,-4492,-4461,-3437,-368, -4492,-4492,-29979,-29980,-29969,-29970,-29972,-29973,-29973,-29974,-29973, -29973,-29983,-29980,-29980,-29981,-29990,-29987,-29990,-29991,-29997,-29998]} 1. Nf3 c5 2. e4 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Qxd7 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 7. c4 e5 8. Qd3 f5 { White has an edge.} 9. Nc3 Nf6 10. O-O fxe4 11. Nxe4 b5 {[#]} 12. b3 $146 ({ Predecessor:} 12. cxb5 Nxe4 13. Qxe4 Bb7 14. Qe3 Qxb5 15. a4 Qd5 16. Qd2 Qc4 17. Ra3 Be7 18. Rc3 Qxa4 {0-1 (38) Weisbuch,U (2222)-Vocaturo,D (2622) Caleta 2020}) 12... Bb7 13. Nfd2 Rd8 14. Bb2 Qc6 {[%CAl Rf6e4]} 15. Rfe1 Be7 16. Rac1 O-O 17. cxb5 Qxb5 18. Qxb5 axb5 19. Rc7 Bxe4 20. Nxe4 Rfe8 21. g3 Rc8 (21... b4 {keeps more tension.} 22. f3 Rc8 23. Rec1 Ra8 24. Ra1 d5) 22. Rxe7 (22. Rb7 $11 {remains equal.}) 22... Rxe7 $17 23. Nxd6 Rc2 24. Rxe5 Rxe5 25. Bxe5 {[%mdl 4096] Endgame KRN-KBN} b4 26. Nf5 (26. Bxf6 $17 {was worth a try.} gxf6 27. Nf5 ) 26... Kf7 27. Bd6 Nd5 {[#] And now ...Rc1+ would win.} 28. Ne3 (28. Nd4 $17 Rxa2 29. h4) 28... Nxe3 $19 ({Don't take} 28... Rxa2 29. Nxd5 Rd2 30. Bxb4 $17) 29. fxe3 Rxa2 30. Bxb4 {KR-KB} h5 31. h4 (31. Bc3 $17) 31... Ke6 32. e4 $2 (32. Bc3) 32... Rb2 33. Bf8 Rxb3 34. Kf2 {[#]} Rb7 $1 {[%CAl Rb7f7] Threatens to win with ...Rf7+.} 35. Bc5 $2 (35. Kg2) 35... Ke5 36. g4 Rb2+ {Black mates.} 37. Kf3 Rb3+ 38. Kg2 hxg4 39. h5 Kxe4 40. Bf8 Kf4 41. Bxg7 Rg3+ 42. Kf2 Rf3+ 43. Kg1 Rd3 44. h6 Kf3 45. h7 Rd1+ {Accuracy: White = 54%, Black = 91%.} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.3"] [White "Moussard, Jules"] [Black "Garriga Cazorla, Pere"] [Result "1-0"] [ECO "B90"] [WhiteElo "2626"] [BlackElo "2487"] [Annotator "TA"] [PlyCount "39"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,39,30,23,35,32,33,39,32,34,41,33,43,38,25,0,51,43,91,93,164,154,536, 544,697,690,762,753]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 g6 7. f3 Bg7 8. Be3 Nc6 {B72: Sicilian Dragon: 6 Be3, lines with h3+Bc4 and sidelines.} 9. Qd2 O-O 10. O-O-O d5 {White is slightly better.} 11. Nxc6 bxc6 12. Bh6 Qa5 {[#]} 13. Bxg7 $5 $146 {[%mdl 8] New and interesting.} ({ Predecessor:} 13. a3 d4 14. Ne2 Qxd2+ 15. Bxd2 c5 16. b4 Nd7 17. bxc5 a5 18. c6 Nc5 19. Bb5 {0-1 (37) Karjakin,S (2752)-Clarke,B (2429) chess.com INT 2020}) 13... Kxg7 14. b3 dxe4 (14... e5 $11) 15. Bxe4 $14 Nxe4 16. Nxe4 Qxa2 (16... Qxd2+ $16 17. Rxd2 (17. Kxd2 Rd8+ 18. Kc3 Rd5 $11) 17... h5) 17. Qc3+ $18 f6 $2 {[#]} (17... e5 $16) 18. Kd2 $1 {White is clearly winning.} Rd8+ 19. Ke3 Rd5 { If only Black now had time for ...Qa5....} 20. Ra1 {Weighted Error Value: White=0.02/Black=0.80} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.4"] [White "Vasquez Schroeder, Rodrigo"] [Black "Santos Latasa, Jaime"] [Result "1/2-1/2"] [ECO "D12"] [WhiteElo "2441"] [BlackElo "2600"] [Annotator "TA"] [PlyCount "94"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,94,18,11,29,0,0,0,0,0,0,0,-1,-12,0,0,0,-8,0,0,17,16,16,15,16,16,16, 18,11,14,29,25,26,0,0,-23,52,56,61,53,63,53,95,95,81,46,48,48,66,45,58,54,37, 26,56,50,50,50,43,45,62,59,62,40,79,8,7,3,17,17,17,29,52,41,78,78,80,80,87,66, 69,51,83]} 1. d4 Nf6 2. Nf3 d5 3. e3 c6 4. c4 Bf5 5. Nc3 e6 6. Bd3 Bg6 7. O-O Nbd7 8. b3 Bd6 {8...Bb4 gains popularity. D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} 9. Qc2 Bh5 10. Be2 O-O {The position is equal.} 11. Bb2 {[#]} Re8 $146 ({ Predecessor:} 11... Rc8 12. e4 dxe4 13. Nxe4 Bb8 14. Ba3 Nxe4 15. Qxe4 Re8 16. Ne5 Nf6 17. Qd3 Bxe2 18. Qxe2 Qxd4 {0-1 (31) Zaidman,I (1941)-Robledo,C (2155) Buenos Aires 2016}) 12. Rfd1 Qe7 13. g3 Rac8 14. Rac1 a6 15. Nh4 Bxe2 16. Qxe2 Qf8 17. e4 dxe4 18. Nxe4 Nxe4 19. Qxe4 Ba3 20. Bxa3 Qxa3 21. Rc2 a5 22. Nf3 a4 23. bxa4 Qxa4 24. Rb1 Qa6 ({Better is} 24... c5 $11) 25. c5 $1 $14 Nf6 26. Qe2 Qa7 27. Rcb2 Re7 28. Rb3 Ra8 29. Qb2 Nd5 30. a3 f6 31. Kg2 Qa6 32. Qc2 Ra7 33. R1b2 Nc7 34. Rb6 Qa4 35. Qxa4 Rxa4 36. Rxb7 Nd5 37. Rb8+ Kf7 38. Rc8 Ra6 39. Nd2 ({White should play} 39. h4 $16) 39... Rxa3 $11 40. Rxc6 Rd3 41. Nf3 g5 $1 42. Rd2 $36 {[%mdl 2048] White has good play.} Rc3 43. Ra6 h5 44. h4 g4 45. Ng1 Rb3 46. Ra1 Kg6 47. Ne2 Kf5 {Weighted Error Value: White=0.09/Black=0.11} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.5"] [White "Santos Ruiz, Miguel"] [Black "Niemann, Hans Moke"] [Result "1-0"] [ECO "C55"] [WhiteElo "2581"] [BlackElo "2472"] [Annotator "TA"] [PlyCount "77"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,77,22,39,33,31,31,36,21,39,41,49,36,28,35,35,34,29,23,33,0,100,103,99, 91,128,150,194,135,143,146,141,115,151,163,157,150,202,208,207,193,301,300,426, 421,418,421,603,601,577,316,347,343,322,329,411,406,408,342,350,324,352,354, 332,353,991,1012,1004,972,884,924]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 d6 6. a4 {[%CAl Ba2a4,Ba4a5][%mdl 32] C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} g5 7. Qb3 Qe7 8. a5 {[#] White is slightly better.} Bg7 $146 ({Predecessor:} 8... a6 9. h3 Bg7 10. Nbd2 Nd7 11. g4 Nc5 12. Qc2 h5 13. Rg1 hxg4 14. hxg4 Ne6 {0-1 (34) Chigaev,M (2588)-Sethuraman,S (2644) chess. com INT 2020}) 9. Nbd2 {[%CAl Bb1d2,Bd2f1,Bf1e3][%mdl 32]} Nd8 10. Nf1 g4 11. Ng1 c6 12. Ne3 h5 13. Ne2 Bh6 14. O-O Be6 (14... h4 $11 {keeps the balance.}) 15. f4 $16 gxf3 16. Rxf3 d5 17. exd5 cxd5 18. Bb5+ (18. Nxd5 Nxd5 19. Bxh6 Rxh6 $17) (18. Qb5+ $18 Bd7 19. Nxd5 Nxd5 20. Qxd5) 18... Kf8 19. Nf5 $36 {[%mdl 2048] Black is under strong pressure.} Bxf5 20. Rxf5 a6 21. Ba4 Ne6 22. Qb6 ( 22. Rxe5 $6 Bxc1 23. Nxc1 (23. Rxc1 Ng4 $11) 23... Nc5 $14) 22... Rd8 (22... Rc8 $16 {was necessary.} 23. h3 (23. Rxe5 Ng4 $14) 23... Bxc1) 23. Bxh6+ $18 ( 23. Rxe5 $6 Ng4 $16) 23... Rxh6 {[#]} 24. Raf1 $1 (24. Rxe5 Ng4 $17) 24... Rg6 (24... d4 $142 25. Bb3 (25. Rxe5 Ng4 $14) 25... Rd6) 25. Qf2 (25. Rxe5 Ng4 $16) 25... Nc5 (25... Ng5 $142 26. Rxg5 (26. Rxf6 $2 Nh3+ {[%mdl 64] Double Attack} 27. Kh1 Nxf2+ $19) 26... Rxg5) 26. Bc2 ({Weaker is} 26. Rxf6 Rxf6 27. Qxf6 Qxf6 $11) 26... Ncd7 27. d4 Kg8 (27... Rg7 $142 28. dxe5 Nxe5 29. Rxe5 Qxe5) 28. dxe5 Ng4 29. Qd4 Ndxe5 {[#]} 30. Rxf7 $3 {[%mdl 512]} Nxf7 31. Bxg6 Nfh6 32. Nf4 h4 33. Nxd5 {[%CAl Rd5e7]} Qd6 {[%csl Gg4][%CAl Rd6h2]} 34. Bf7+ Kh7 { [%csl Gg4][%CAl Rd6h2]} 35. Rf4 Qe5 36. Nf6+ {[%mdl 64] Discovered Attack, Overworked Piece} Qxf6 $2 (36... Kg7 37. Ne8+ (37. Nxg4 Rxd4 38. Nxe5 Rxf4 $17) (37. Rxg4+ Nxg4 38. Qxg4+ Kxf6 $17) 37... Kh7 38. Qxe5 Nxe5) 37. Qe4+ {[%mdl 64] Double Attack. White is clearly winning.} ({Inferior is} 37. Qxf6 Nxf6 38. Rxf6 Kg7 $11) 37... Kg7 38. Rxf6 Nxf6 39. Qg6+ {Weighted Error Value: White=0. 16/Black=0.26} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.6"] [White "Cornette, Matthieu"] [Black "Maurizzi, Marc Andria"] [Result "1/2-1/2"] [ECO "C81"] [WhiteElo "2558"] [BlackElo "2445"] [Annotator "ChessBase"] [PlyCount "41"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/5400+30:1800+30"] 1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 { [%emt 0:00:00]} 3. Bb5 {[%emt 0:00:27]} a6 {[%emt 0:00:29]} 4. Ba4 {[%emt 0:00: 04]} Nf6 {[%emt 0:00:06]} 5. O-O {[%emt 0:00:38]} Nxe4 {[%emt 0:00:30]} 6. d4 { [%emt 0:01:44]} b5 {[%emt 0:00:13]} 7. Bb3 {[%emt 0:00:05]} d5 {[%emt 0:00:05]} 8. dxe5 {[%emt 0:00:09]} Be6 {[%emt 0:00:03]} 9. Qe2 {[%emt 0:03:30]} Be7 { [%emt 0:02:23]} 10. Rd1 {[%emt 0:00:17]} O-O {[%emt 0:00:47]} 11. c4 {[%emt 0: 00:16]} bxc4 {[%emt 0:00:06]} 12. Bxc4 {[%emt 0:00:09]} Bc5 {[%emt 0:00:04]} 13. Be3 {[%emt 0:00:48]} Bxe3 {[%emt 0:00:46]} 14. Qxe3 {[%emt 0:00:06]} Qb8 { [%emt 0:00:09]} 15. Bb3 {[%emt 0:01:51]} Qb6 {[%emt 0:03:59]} 16. Qxb6 { [%emt 0:04:25]} cxb6 {[%emt 0:00:07]} 17. Na3 {[%emt 0:02:31]} Rfd8 {[%emt 0: 02:16]} 18. Nc2 {[%emt 0:01:18]} Na5 {[%emt 0:01:49]} 19. Ncd4 {[%emt 0:02:22]} Nc4 {[%emt 0:02:13]} 20. Rab1 {[%emt 0:02:50]} Rac8 {[%emt 0:02:34]} 21. h3 { [%emt 0:05:38]} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.7"] [White "Plat, Vojtech"] [Black "Esplugas Esteve, Vicenc"] [Result "1-0"] [ECO "C03"] [WhiteElo "2562"] [BlackElo "2319"] [Annotator "TA"] [PlyCount "43"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,43,18,10,-4,50,4,22,25,68,56,62,37,64,66,62,59,73,72,69,65,162,158, 170,161,236,231,399,401,407,405,885,863]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. dxc5 Nf6 6. exd5 Qxd5 7. Ngf3 Nbd7 {7...Qxc5 is the hot move.} 8. b4 { [%CAl Bb2b4,Bb4b5][%mdl 32] C03: French Tarrasch: Unusual Black 3rd moves.} b6 (8... a5 $11) 9. O-O bxc5 10. b5 {The position is equal.} O-O 11. Bb2 Bb7 {[#]} 12. Re1 $146 ({Predecessor:} 12. Qe2 Bd6 13. c4 Qh5 14. h3 Rad8 15. Rad1 Rfe8 16. a4 Nd5 17. Ne1 Qxe2 {1/2-1/2 (17) Burridge,R (2074)-Cheek,C (2086) ICCF email 2015}) 12... Rad8 13. a4 {[%CAl Ba2a4,Ba4a5][%mdl 32]} Qh5 14. Ne5 Qxd1 15. Raxd1 Nb6 16. a5 $36 {[%mdl 2048] White has the initiative.} Nbd5 ({ Better is} 16... Na4 $14 17. Ndc4 Nxb2 18. Nxb2 Rd4) 17. c4 Nf4 {[#]} 18. Bf1 $1 Nd7 (18... Ng6 {keeps fighting.} 19. Nxg6 hxg6) 19. Nb3 $18 Nf6 $2 (19... Nxe5 20. Bxe5 Ng6) 20. Ba3 Rc8 21. Nd7 Ne4 (21... Rfd8 $142) 22. Nxf8 {Black got outplayed after the opening. Weighted Error Value: White=0.07/Black=0.44} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.8"] [White "Gines Esteo, Pedro Antonio"] [Black "Fier, Alexandr"] [Result "1/2-1/2"] [ECO "D11"] [WhiteElo "2437"] [BlackElo "2558"] [Annotator "TA"] [PlyCount "104"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,104,11,18,13,16,19,18,3,3,16,16,15,7,5,10,6,19,0,0,0,0,-5,-6,-8,-6, -17,-9,-10,-8,-42,-31,-32,-14,-23,0,-47,-34,-27,0,-19,-20,-63,-10,-31,-10,-31, -31,-31,-31,-31,-31,-31,-31,-31,-31,-31,-31,-37,-31,-31,-15,-9,-2,-4,-4,-9,-9, -12,-12,-11,-11,-11,0,0,0,0,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Bd3 dxc4 6. Bxc4 Nbd7 7. O-O Bd6 8. Nbd2 {D30: Queen's Gambit Declined: Systems without Nc3.} O-O 9. Bd3 c5 10. Nc4 Be7 11. b3 b6 12. Bb2 {[#]} cxd4 $146 ({Predecessor:} 12... Bb7 13. Qe2 cxd4 14. Nxd4 Nc5 15. Bc2 Qd5 16. f3 Qh5 17. e4 Rac8 18. a4 Ncd7 {1/2-1/2 (44) Halkias,S (2579) -Papin,V (2479) Kavala 2008}) 13. Nxd4 Bb7 14. Rc1 a6 15. Qe2 Rc8 16. Rfd1 b5 17. Nd2 Rxc1 18. Rxc1 Qa8 19. Qf1 Rd8 20. Be2 Bb4 21. N2f3 Ne4 22. Rc2 Bd6 23. Qc1 Ndf6 24. h3 Nd5 {Hoping for ...Nb4.} 25. a3 b4 26. Bc4 a5 27. Nb5 Ndc3 ( 27... Bf8 $15) 28. axb4 axb4 {Threatens to win with ...Bh2+!} 29. Nxc3 (29. Bxc3 {seems wilder.} bxc3 30. Nfd4 Bb4 31. f3 Ng3 32. Nxc3 h5 33. Ra2) 29... bxc3 30. Bxc3 Nxc3 31. Rxc3 Bxf3 32. gxf3 Qxf3 33. Bf1 Qb7 34. Bg2 Qb8 35. Bf3 g6 36. Kg2 Be5 37. Rc5 {The position is equal.} Bf6 38. Qc4 Kg7 39. Rb5 Qd6 40. Rb7 Qe5 41. Qc7 Qxc7 42. Rxc7 $11 {[%mdl 4096] Endgame KRB-KRB} Rd3 43. Rb7 Rd2 {White should prevent ...Bh4.} 44. Kf1 Bh4 45. Be2 Rd5 46. Rb5 Rd6 47. b4 h5 48. Rc5 Rd2 49. b5 Rb2 50. Rc7 Bd8 51. Rd7 Bb6 52. Rd6 Bc7 {Weighted Error Value: White=0.06/Black=0.06} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.9"] [White "Bulmaga, Irina"] [Black "Krysa, Leandro"] [Result "1/2-1/2"] [ECO "C45"] [WhiteElo "2424"] [BlackElo "2531"] [Annotator "TA"] [PlyCount "36"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,36,27,8,15,20,20,15,17,22,13,11,3,42,62,54,52,57,0,2,0,48,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 O-O 8. O-O b6 9. Nxc6 {C45: Scotch Game.} Qxc6 10. Bxc5 Qxc5 11. Na3 d6 {[#]} 12. b4 $146 ({ Predecessor:} 12. Qd4 a6 13. Rfe1 Bb7 14. Nc2 Rfe8 15. Qxc5 dxc5 16. f3 { 1-0 (16) Sapundjiev,G (2392)-Gil,M (2603) ICCF email 2010}) 12... Qc6 13. Qd3 Be6 14. Bb5 Qb7 15. Ba6 $1 {[%CAl Ra6b7]} Qc6 16. Bb5 ({Better is} 16. Nc2 $14) 16... Qb7 $11 17. Ba6 Qc6 18. Bb5 Qb7 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.10"] [White "Unuk, Laura"] [Black "Checa, Nicolas"] [Result "0-1"] [ECO "D12"] [WhiteElo "2346"] [BlackElo "2527"] [Annotator "TA"] [PlyCount "78"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,78,25,28,18,37,20,25,16,54,3,6,0,3,-14,-14,-14,-14,-14,-15,-18,-18, -29,-28,-64,-70,-66,-59,-87,-87,-85,-85,-79,-69,-67,26,-197,-187,-193,-177, -342,-360,-358,-340,-1462,-458,-429,-416,-329,-352,-1069,-1068,-1011,-1075, -1035,-1034,-1601,-1606,-1585,-1591,-1402,-1409,-29982,-29977,-29971,-12797, -29982,-29983,-12837,-12833,-2056,-1143]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 a6 6. Bd3 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} Bg6 7. O-O e6 8. Ne5 {White has an edge.} Nbd7 9. f4 ({White should play } 9. Nxg6 $14 hxg6 10. g3) 9... Bxd3 $11 10. Qxd3 Bb4 {[#]} 11. Bd2 $146 ({ Predecessor:} 11. Ne2 Bd6 12. b4 Ne4 13. Rb1 f6 14. Nxd7 Qxd7 15. c5 Bc7 16. a4 O-O 17. b5 axb5 18. axb5 {1/2-1/2 (58) Landa,K (2662)-Swinkels,R (2512) Rosmalen 2014}) 11... Bxc3 12. Bxc3 O-O 13. a4 Ne4 14. Bb4 Re8 15. a5 f5 16. Qb3 Nxe5 17. fxe5 b5 18. cxb5 cxb5 19. Rac1 Rc8 20. Qa3 Rxc1 21. Rxc1 Qh4 ( 21... Qb8 $15) 22. g3 $2 {This move loses the game for White.} (22. Be1 $11 Qg5 23. Qd3) 22... Qg4 $19 {Strongly threatening ...Qe2.} 23. Qd3 {[#]} Ng5 $1 $40 {[%mdl 128] Hoping for ...Qf3! Black has strong attack.} (23... Qf3 24. Rf1 $15 ) 24. Rc3 $2 (24. Rf1) 24... h5 ({Resist} 24... Nh3+ 25. Kg2 $19) 25. Qf1 h4 ({ Don't play} 25... Nh3+ 26. Kg2 $19) 26. Qg2 $2 (26. Rc7) 26... Qd1+ (26... Nh3+ $142 27. Qxh3 Qxh3 28. gxh4 Qg4+ {[%mdl 64] Zwischenzug} 29. Kf2 Qxh4+ 30. Kg2 Qg4+ 31. Kf2 f4) 27. Qf1 Qd2 28. gxh4 Ne4 ({Weaker is} 28... Qxb2 29. hxg5 Qxb4 30. Qa1 $15) 29. Qc1 $2 (29. Rb3 Qc2 30. Rd3) 29... Qf2+ {[%mdl 64] [#] Double Attack} 30. Kh1 Nxc3 31. bxc3 Qxh4 {[%mdl 4096] Endgame KQR-KQB} 32. Kg2 Kf7 33. Qf1 Rh8 34. Qf4 Qh3+ 35. Kg1 Rh4 36. Qf2 Qg4+ 37. Qg2 Qd1+ 38. Kf2 Qd2+ 39. Kf3 Rxh2 {Weighted Error Value: White=1.20/Black=0.21} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.11"] [White "Bellahcene, Bilel"] [Black "Msellek, Ilyass"] [Result "1-0"] [ECO "D05"] [WhiteElo "2510"] [BlackElo "2316"] [Annotator "TA"] [PlyCount "69"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,69,0,0,0,0,2,41,40,39,28,77,64,70,62,89,83,163,161,172,119,188,109, 98,80,123,120,145,135,141,166,171,136,136,126,135,153,177,138,154,158,252,258, 247,256,300,300,300,290,381,387,434,434,433,427,583,577,667,656,634,627]} 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. dxc5 {D05: Colle System with ...e6.} Bxc5 8. b4 $1 {[%CAl Bb2b4,Bb4b5][%mdl 4] is now more promising than 8.0-0.} Bb6 9. b5 {[#] White is slightly better.} Nb8 $146 ({ Predecessor:} 9... Ne7 10. O-O O-O 11. c4 Ng6 12. Bb2 a6 13. a4 axb5 14. axb5 Rxa1 15. Qxa1 dxc4 16. Bxc4 {1-0 (60) Henriquez Villagra,C (2587)-Trepat Herranz,J (2395) Vallfogona de Balague 2019}) 10. c4 Nbd7 11. O-O Nc5 12. Be2 a6 13. bxa6 bxa6 (13... O-O $16 {is a better defense.}) 14. Ba3 $18 Bb7 15. Rb1 (15. cxd5 $18 Bxd5 16. Rc1) 15... Rb8 (15... Nfd7 $16) 16. Qc2 (16. Nb3 $18 Nce4 17. Qc2) 16... Nfd7 $16 17. Nb3 {Threatens to win with cxd5.} dxc4 18. Qxc4 {[%CAl Rb3c5]} Bd5 {[#]} 19. Qd4 $1 Nxb3 20. Qxg7 Qf6 21. Qxf6 Nxf6 22. axb3 Rg8 23. Rfc1 Bd8 24. Bd6 Rb6 25. Bc5 Rxb3 (25... Rb7 $16 {was called for.} 26. b4 Nd7) 26. Rxb3 $18 Bxb3 27. Bxa6 {[#] Black must now prevent Bb5+.} Be7 28. Bd4 {aiming for Rc8+.} Kf8 29. Ne5 Kg7 30. Rc7 Nd5 31. Rb7 {White is clearly winning.} Ra8 32. Bd3 Ba2 33. e4 Ra4 34. Bb2 Rb4 35. Nc6+ {[%mdl 64] Double Attack. Weighted Error Value: White=0.09/Black=0.31} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.12"] [White "Grigoryan, Karen H."] [Black "Romanishin, Oleg M"] [Result "1-0"] [ECO "E20"] [WhiteElo "2659"] [BlackElo "2402"] [Annotator "TA"] [PlyCount "131"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,131,-13,14,0,45,41,60,54,52,44,56,54,44,34,42,11,31,14,35,35,36,34,41, 35,40,8,14,16,22,9,19,26,43,40,43,26,40,0,0,0,40,37,46,45,33,35,118,118,107, 107,109,108,95,95,86,62,108,96,106,90,118,103,115,62,132,93,95,95,108,92,98,85, 124,124,132,131,124,88,139,80,144,56,122,133,143,147,104,107,168,163,202,70, 137,154,163,139,161,167,162,150,224,221,299,310,689,740,718,628,696,697,1259, 564,547,305,290,300,492,492,604,312,29981,29981,29972,29966]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 Nh5 6. Nh3 {E20: Nimzo-Indian: 4 g3 and 4 f3.} d6 7. g4 Bxc3+ 8. bxc3 {White is slightly better.} e5 9. Nf2 (9. gxh5 Bxh3 10. Bxh3 Qh4+ 11. Kd2 Qxh3 $15) 9... Nf6 {[#]} 10. h4 $146 ({Predecessor:} 10. e3 Qe7 11. Bd3 Nbd7 12. Qc2 e4 13. Bxe4 Ne5 14. g5 Nxe4 15. Qxe4 f5 16. gxf6 Qxf6 {0-1 (27) Khenkin,I (2590)-Prusikin,M (2542) Switzerland 2010}) 10... Nbd7 11. Qc2 h6 12. Rg1 Nf8 13. a4 h5 14. g5 Ng8 15. Rh1 Ng6 16. Ne4 N8e7 17. Ng3 Bd7 18. e3 Qc7 19. a5 O-O-O 20. Bd3 Kb8 21. Bd2 Bc8 22. Kf2 Qd7 23. Rae1 Rde8 24. f4 Qc7 25. f5 e4 $1 {[%CAl Re4d3]} 26. Bxe4 Ne5 27. Bd3 Qxa5 (27... g6 $1 $14) 28. Ra1 $36 {[%mdl 2048] Keeping Black busy.} Qc7 29. e4 Bd7 30. Bf4 Nc8 31. Be2 g6 32. Kg2 Nb6 33. Qa2 Nc8 34. Rhf1 b6 35. Rf2 Qd8 36. Qc2 (36. Bd1 $16) 36... Qe7 (36... f6 $14) 37. Raf1 Rhg8 38. Kg1 Rh8 39. Rg2 Rd8 40. Rff2 Rde8 41. Nf1 Rhf8 42. Nd2 Rg8 43. Rf1 Rh8 (43... Qd8 $142) 44. Rg3 (44. f6 $142 Qd8 45. Rg3) 44... Rhg8 (44... f6 $142) 45. Nf3 (45. f6 $16 Qd8 46. Qa2) 45... Ng4 ({Black should try} 45... gxf5 $14 46. exf5 f6) 46. Bd3 $16 Qd8 47. Rxg4 hxg4 { [#]} 48. Nh2 $1 Rh8 (48... Ref8 $16) 49. Qf2 $18 b5 50. cxb5 (50. Nxg4 $18 { Threatens to win with Nf6.} bxc4 51. Rb1+ Ka8 52. Bc2 (52. Qb2 $2 Nb6 $19)) 50... c4 {[#]} ({Black should play} 50... Qa5 $14) 51. Bb1 $1 $16 gxf5 52. exf5 Qb6 53. Nxg4 {And now Nf6 would win.} Rxh4 54. Qxb6+ Nxb6 (54... axb6 $16 55. Nf6 {[%mdl 64] Double Attack} Re7) 55. Nf6 $18 {Bg3 is the strong threat.} ({ But not} 55. Bxd6+ $6 Kb7) 55... Re2 {intending ...Kc7.} 56. Bg3 ({Not} 56. Bxd6+ Kb7 $16) 56... Rh3 $2 (56... Rh8 57. g6 Kc7) 57. Bxd6+ Kb7 58. g6 fxg6 59. fxg6 Nxd5 60. Nxd5 (60. Nxd7 $142 Re8 61. g7) 60... Rh5 {Strongly threatening ...Rg5+.} 61. Rd1 Rg5+ 62. Kf1 Rb2 $2 (62... Reg2) 63. Nf4 Bxb5 64. Ne6 Rh5 $2 (64... Rxb1 $18 65. Rxb1 Rxg6 66. Rxb5+ Kc6 67. Nd4+ Kxd6) 65. Be4+ Bc6 66. Nd8+ {[%mdl 64] Double Attack. Weighted Error Value: White=0.27/ Black=0.37} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.13"] [White "Toncheva, Nadya"] [Black "Dragnev, Valentin"] [Result "0-1"] [ECO "C89"] [WhiteElo "2321"] [BlackElo "2564"] [Annotator "TA"] [PlyCount "146"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 33,146,67,64,71,69,69,81,51,113,95,93,65,107,108,138,123,128,80,119,68, 40,-14,0,-154,-162,-154,-144,-579,-587,-489,-212,-184,-91,-93,-110,-88,-88,-88, -88,-164,-89,-89,-89,-92,-51,-89,-58,-104,-52,-104,-52,-101,-101,-101,-101, -114,0,-89,-48,-48,-25,-64,-50,-64,-77,-112,-112,-187,-126,-129,-126,-142,-121, -117,0,-142,-142,-142,-142,-142,-116,-178,-118,-124,-118,-264,-272,-264,-252, -233,-237,-237,-237,-209,-186,-185,-95,-428,-277,-413,-310,-291,-277,-393,-399, -612,-470,-1233,-1225,-1168,-1134,-29994,-29995,-29996,-194]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4 16. Qd3 f5 17. f4 Kh8 18. Bxd5 {C89: Closed Ruy Lopez: Marshall Attack.} cxd5 19. Nd2 Rae8 20. a4 {White is better.} Re6 $5 {[%mdl 4] Exploring less charted territory.} (20... g5 $14 21. Qf1 (21. fxg5 $2 Bxg3 {[%mdl 64] Double Attack} 22. Re2 f4 $19) (21. axb5 gxf4 22. Bxf4 Bxf4 $17) 21... Qxf1+ 22. Nxf1 gxf4 23. Bxf4 Bxf4 24. gxf4 bxa4) 21. Qf1 Qh5 22. axb5 Rh6 $5 {[%csl Gh6][%CAl Rh5h2] [%mdl 4] Leaves trodden paths.} 23. Qg2 axb5 24. Ra5 Rb8 25. Rea1 Qe8 {[#]} 26. Nf1 $146 (26. Bf2 $1 $16) ({Predecessor:} 26. Qf2 Re6 27. Re1 Qe7 28. Nf3 Bxf3 29. Qxf3 Re4 30. Kf2 Qc7 31. Rea1 b4 32. Ra7 {1/2-1/2 (47) Diviak,R (2017) -Darazs,Z (2124) Slovakia 2013}) 26... Re6 27. Qxd5 (27. Re1 $14) 27... Bc7 $11 28. Ra7 $2 ({White has to play} 28. Ra8 $1 $11 Rxe3 29. Nxe3 Qxe3+ 30. Kg2 Qe2+ 31. Kg1 Qe3+ 32. Kg2) 28... Rxe3 $17 29. Rxc7 Bf3 $1 $36 {[%CAl Rf3d5][%mdl 2048] Black is really pushing.} 30. Qxf5 $2 {[%mdl 8192]} (30. Qf7 $17 Qxf7 31. Rxf7) 30... Re2 $19 31. Qh3 Qe6 (31... h5 $142 32. g4 Rg2+ 33. Qxg2 Bxg2 34. Kxg2 Qe2+ 35. Kh1 Qf3+ 36. Kg1 Qxg4+ 37. Ng3 h4 {[%mdl 64] Pin}) 32. g4 Rg2+ ( 32... Bd5 $1 $19 {has better winning chances. ( -> ...Qe4)} 33. Rc5 (33. f5 Qe4 34. Qxh7+ Kxh7 35. Rxg7+ {[%mdl 64] Remove Defender} Kxg7 36. Ra7+ Kh8 37. Rh7+ Kxh7 38. h4 Qh1#) 33... b4) 33. Qxg2 $17 Bxg2 34. Kxg2 Qxg4+ {[%mdl 64] Double Attack} 35. Ng3 Qxf4 36. Raa7 (36. Re7 $17) 36... Rg8 (36... Qd2+ $1 $19 37. Kh3 Rg8) 37. Rf7 Qc1 {[%mdl 1024] Black has strong compensation.} 38. Rf2 Qh6 39. Raf7 Qd6 40. R2f3 h6 (40... b4 $17) 41. R7f5 (41. b4 $15) 41... Rb8 (41... b4 $17) 42. Ne4 Qg6+ 43. Kf2 Kh7 44. Re5 Qg4 (44... b4 $1 $17 {[%CAl Rb4c3]} 45. Rg3 Qf7+ 46. Ke3 bxc3 47. bxc3 Rb1) 45. Rf7 (45. d5 $11 {remains equal.}) 45... Qh4+ 46. Kg2 Rb6 47. Ng3 {Hoping for Rxg7+!} Qd8 48. Ree7 Rg6 49. Re5 Qa8+ 50. Kh3 {[#]} (50. Rf3 $17 {might work better.}) 50... Qa2 (50... b4 $1 $19 {[%mdl 512]} 51. Ree7 (51. cxb4 Qc8+) 51... Qa1) 51. Rf2 Qc4 52. Rc5 Qd3 53. Rcf5 Qc4 54. Rc5 $1 {[%CAl Rc5c4]} Qe6+ 55. Kg2 Qe4+ 56. Kf1 Qb7 57. Rff5 ( 57. b4 $17) 57... Rb6 ({Better is} 57... b4 $19 58. Kg1 Qa6) 58. b4 Ra6 59. Rxb5 (59. Kg1 $17 {keeps fighting.}) 59... Ra1+ $19 60. Kf2 {[#]} Ra2+ $1 61. Ke3 {Cut Off at move 61} Qg2 {Strongly threatening ...Qd2+.} 62. Kd3 Qxh2 63. Rf3 Qg2 64. Rbf5 {[#]} Ra1 ({Weaker is} 64... g6 65. Rf7+ Kg8 66. Rf8+ Kh7 67. R3f7#) ({Black should try} 64... Qd2+ $1 $19 65. Kc4 Ra8) 65. d5 $2 {[%mdl 8192]} ({Don't go for} 65. Kc4 $2 Qa2+ 66. Kc5 Qa7+ 67. Kd5 Re1 $19) (65. Ne2 $17 {is more resistant.}) 65... Qa2 {Threatens to win with ...Rd1+.} 66. Kd4 ( 66. Re3 $142) 66... Qa7+ 67. Kc4 Qa6+ 68. Kd4 (68. Kc5 {is the only way for White.} Rd1 69. Nh5) 68... Rd1+ 69. Ke5 (69. Kc5 $142 Qc8+ 70. Kb5) 69... Qc4 70. Ke6 (70. Kd6 $142 Rd3 71. Nf1 (71. Rxd3 $2 Qxd3 72. Ke6 Qe3+ 73. Re5 Qxg3 $19)) 70... Re1+ 71. Kd6 Re8 {...Rd8+ is the strong threat.} 72. Kd7 Qb5+ 73. Kd6 Qb6+ {Weighted Error Value: White=0.45/Black=0.30} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.14"] [White "Carbonell Sancho, Marc"] [Black "Maze, Sebastien"] [Result "1-0"] [ECO "A05"] [WhiteElo "2274"] [BlackElo "2557"] [Annotator "TA"] [PlyCount "129"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,129,-28,-18,12,-29,0,-23,0,0,58,22,23,34,133,21,68,68,151,168,166,52, 214,175,298,295,356,335,501,458,517,496,509,502,779,809,707,496,505,483,480, 452,440,422,555,477,477,482,483,473,429,314,345,351,350,349,343,345,335,260, 317,306,303,265,320,297,299,327,294,250,389,383,422,403,446,440,450,450,513, 508,476,416,416,416,416,416,416,416,416,384,376,376,376,376,2091,1635,4335, 2754,29968,6079,29975,29969,29972,29969,29969,29969,29965,29968,29965,29964]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. exd5 Nxd5 9. Re1 b6 10. c3 Bb7 11. a4 {[%CAl Ba2a4,Ba4a5][%mdl 32]} Qc7 12. Nc4 Rfd8 {A08: King's Indian Attack.} 13. Qb3 e6 {[#]} 14. a5 $146 ({Predecessor:} 14. Ng5 h6 15. Ne4 Ne5 16. Qc2 Nxc4 17. dxc4 Ne7 18. Qe2 f5 19. Nxc5 bxc5 20. Qxe6+ {1-0 (35) Mustafaev,J (2346)-Niyazmetov,R (2202) Bukhara 2008}) 14... Ba6 { Black has an edge.} 15. Bg5 Re8 (15... Rf8 $11) 16. Nfd2 b5 17. Ne3 Nf6 (17... Nxe3 $14 18. Bxe3 (18. Rxe3 h6 $17) 18... Rad8) 18. Bf4 ({Better is} 18. Bxf6 $16 Bxf6 19. Ng4) 18... Qc8 19. Bd6 Bf8 (19... Rd8 $14 20. Bxc5 Rxd3) 20. Bxf8 $1 $16 Rxf8 {[#]} 21. Qa3 (21. Qd1 $1 $18) 21... Nd7 $2 {Loses the game.} ( 21... b4 $14 22. cxb4 cxb4) 22. Ne4 $36 {[%mdl 2048] White is in control.} Nce5 (22... Rb8 $142 23. Nxc5 b4 24. cxb4 Nxb4 25. Nxa6 Qxa6) 23. d4 $18 Nd3 {[#]} 24. Red1 $1 c4 (24... b4 $142 25. cxb4 cxd4) 25. Qe7 Kg7 26. Ng5 {[%mdl 64] Nxe6+ is the strong threat. Discovered Attack} Nf6 27. Bxa8 Ng8 (27... h6 $142 28. Ne4 Ng8 29. Qxa7 Qxa8 30. Qxa8 Rxa8) 28. Qxa7 h6 29. Nf3 Qxa8 30. Qxa8 Rxa8 31. b3 Nf6 32. bxc4 bxc4 33. Ne5 Nxe5 34. dxe5 Ne4 35. Ra3 Rb8 36. Rc1 Nd2 37. Ra2 Nf3+ 38. Kf1 Nxe5 39. Raa1 Rb3 40. Nd1 Kf6 41. Rcb1 Ke7 42. Ke2 Nd3 43. Ke3 Kd6 44. Rxb3 cxb3 {[%mdl 4096] Endgame KRN-KBN} 45. Rb1 Nc5 (45... Ne5 $142) 46. Nb2 Nb7 47. Ra1 e5 48. Ra4 Kc6 49. c4 f5 50. Nd3 Kd6 {and the idea ...e4 leaves Black hopeful.} 51. Rb4 Nxa5 52. Rb6+ {[%mdl 64] Double Attack} Kc7 53. Rxa6 Nxc4+ 54. Ke2 e4 55. f4 exd3+ 56. Kxd3 {KR-KN} Ne3 {aiming for ...b2.} 57. Kc3 ({But not} 57. Kxe3 $2 b2 $19) 57... g5 $2 (57... Nf1 58. Rxg6 Nxh2 59. Rxh6 Nf1) 58. Rxh6 gxf4 59. gxf4 Nd5+ 60. Kxb3 Nxf4 61. Rf6 {White mates.} Kd7 62. Rxf5 Ng6 63. Kc4 Ke6 64. Rf1 Ke5 65. Kd3 {Weighted Error Value: White=0.23/ Black=0.68} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.15"] [White "Nevednichy, Vladislav"] [Black "Svoboda, Vaclav"] [Result "1-0"] [ECO "B42"] [WhiteElo "2546"] [BlackElo "2407"] [Annotator "ChessBase"] [PlyCount "67"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/5400+30:1800+30"] 1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0: 00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 5. Bd3 {[%emt 0:00:36]} Nf6 {[%emt 0:01:12]} 6. O-O { [%emt 0:01:43]} Qc7 {[%emt 0:00:03]} 7. Qe2 {[%emt 0:00:12]} d6 {[%emt 0:00:05] } 8. c4 {[%emt 0:00:25]} g6 {[%emt 0:00:59]} 9. Nc3 {[%emt 0:00:33]} Bg7 { [%emt 0:00:03]} 10. Nf3 {[%emt 0:00:58]} O-O {[%emt 0:00:08]} 11. Rd1 {[%emt 0: 02:29]} Nc6 {[%emt 0:00:15]} 12. Bf4 {[%emt 0:00:11]} e5 {[%emt 0:02:25]} 13. Be3 {[%emt 0:00:05]} Bg4 {[%emt 0:00:08]} 14. h3 {[%emt 0:01:36]} Nd4 {[%emt 0: 09:26]} 15. Bxd4 {[%emt 0:00:06]} exd4 {[%emt 0:05:31]} 16. Nd5 {[%emt 0:00:11] } Bxf3 {[%emt 0:00:27]} 17. Qxf3 {[%emt 0:01:39]} Nxd5 {[%emt 0:00:03]} 18. cxd5 {[%emt 0:00:30]} Rac8 {[%emt 0:00:13]} 19. h4 {[%emt 0:00:24]} h5 { [%emt 0:00:39]} 20. g3 {[%emt 0:01:16]} Qe7 {[%emt 0:07:35]} 21. Kg2 {[%emt 0: 02:01]} Rc5 {[%emt 0:01:32]} 22. Re1 {[%emt 0:04:53]} Rfc8 {[%emt 0:03:46]} 23. Qe2 {[%emt 0:00:11]} Re8 {[%emt 0:01:43]} 24. f4 Qd8 {[%emt 0:16:07]} 25. Qf3 { [%emt 0:03:42]} Qb6 {[%emt 0:09:23]} 26. Re2 {[%emt 0:01:07]} Qc7 {[%emt 0:01: 21]} 27. Rf1 Rc1 {[%emt 0:09:50]} 28. Rff2 {[%emt 0:11:22]} Qd7 {[%emt 0:05:38] } 29. e5 {[%emt 0:02:56]} dxe5 {[%emt 0:00:49]} 30. fxe5 {[%emt 0:07:51]} Bxe5 {[%emt 0:09:42]} 31. Bxg6 {[%emt 0:02:08]} fxg6 {[%emt 0:00:03]} 32. Rxe5 { [%emt 0:00:06]} Rcc8 {[%emt 0:00:54]} 33. Rg5 {[%emt 0:00:28]} Qg7 {[%emt 0:01: 40]} 34. Qd3 {[%emt 0:04:59]} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.16"] [White "Ortega Serra, Marc"] [Black "Flom, Gabriel"] [Result "1/2-1/2"] [ECO "E77"] [WhiteElo "2288"] [BlackElo "2499"] [Annotator "TA"] [PlyCount "60"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,60,0,-16,41,-54,0,-20,-14,-41,-49,-51,-60,-54,64,77,66,76,74,0,0,0, 24,14,43,15,25,0,142,149,149,135,128,22,22,24,19,0,30,0,20,0,33]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. dxe6 fxe6 9. Bd3 Nc6 10. O-O Nd4 11. Ng5 h6 {E76: King's Indian: Four Pawns Attack: Lines specific to 6 Nf3 move-order.} (11... e5 $11) 12. Nh3 {[#]} ({White should play} 12. Nf3 $14) 12... Qe8 $146 (12... e5 $15) ({Predecessor:} 12... Qe7 13. e5 dxe5 14. fxe5 Nd7 15. Rxf8+ Qxf8 16. Bxg6 Nxe5 17. Be4 Nxc4 18. Qh5 Nd6 19. Bg6 { 1-0 (40) Vallin,G (2359)-Smirnov,P (2530) Patras 2001}) 13. g4 Bd7 14. Be3 (14. g5 $5 {[%CAl Rg5f6]} hxg5 15. Nxg5 $11) 14... Bc6 15. g5 hxg5 $1 16. Nxg5 Nh7 ( 16... Bh6 $15) 17. Nxh7 $14 Kxh7 18. Qg4 Bh6 19. Rf2 (19. Rae1 $16) 19... e5 $1 $11 20. Raf1 {[%CAl Ba1f1,Bf1f4,Bf4f7][%mdl 32]} exf4 21. Bxf4 Bxf4 22. Rxf4 Rxf4 23. Rxf4 {Hoping for Nd5.} Qe5 (23... Kg7 $1 $11 {keeps the balance.}) 24. Rf7+ $16 Kh6 {[#]} 25. Kh1 $1 {Strongly threatening Qh4+.} Rh8 {[#]} 26. Qh4+ ( 26. Nd5 $1 $16 {[%CAl Rd5f6] Nf6 is the strong threat.} Be8 27. Rxb7) 26... Qh5 $11 27. Qf6 Qe5 28. Qh4+ Qh5 29. Qf6 Qe5 30. Qh4+ Qh5 {Weighted Error Value: White=0.28/Black=0.32} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.17"] [White "Asis Gargatagli, Hipolito"] [Black "Eden, James"] [Result "1-0"] [ECO "C50"] [WhiteElo "2470"] [BlackElo "2323"] [Annotator "TA"] [PlyCount "67"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,67,18,33,31,32,25,27,34,37,25,49,34,51,44,32,31,48,53,70,75,84,87,92, 89,77,76,74,57,62,66,139,79,239,202,278,268,274,262,505,496,498,503,477,473, 491,485,487,384,472,481,532,485,695,676,1091,1123,1056,1093]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 a6 6. O-O Ba7 7. Bg5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} h6 {7...d6 is more fashionable.} 8. Bh4 g5 9. Bg3 $1 {White has an edge.} d6 10. Nbd2 Qe7 11. a4 Bg4 12. b4 Nh5 13. Kh1 Nf4 {[#]} 14. h3 $146 ({Predecessor:} 14. b5 Nd8 15. d4 h5 16. Bxf4 gxf4 17. Qb3 f6 18. bxa6 bxa6 19. Bxa6 Qg7 20. Bc4 {1-0 (41) Martirosyan,H (2622) -Vazquez,G (2527) Lichess.org INT 2020}) 14... Be6 15. Bxf4 gxf4 16. b5 $36 { [%mdl 2048] White has strong initiative.} Na5 17. Bxe6 Qxe6 18. Nh4 O-O-O 19. c4 Rhg8 20. Ndf3 c6 ({Black should play} 20... Bc5 $14) 21. Qc2 ({White should try} 21. Qe1 Nb3 22. Rb1) 21... Kb8 $2 {Now Black is done in.} (21... Bc5 $16) 22. Qc3 Bb6 23. bxa6 {[%CAl Bb5a6,Ba6a7][%mdl 32]} Ka7 24. Rab1 Rb8 $2 {[#]} ( 24... Bc7 25. axb7 Nxb7) 25. Rxb6 $1 $18 {[%mdl 576] Remove Defender} Kxb6 {[#] } 26. a7 $1 {[%mdl 512]} Ra8 (26... Kxa7 27. Qxa5#) 27. Rb1+ Ka6 28. Qb4 { [%csl Gb1][%CAl Rb4b6]} Kxa7 {With the idea ...Kb8.} 29. Qxa5+ Kb8 {[#]} 30. Qb6 $1 {[%csl Gb1][%CAl Rb6b7] White is clearly winning.} Qd7 31. Nf5 {And now Nxd6! would win.} Rg6 (31... Qc7 $142 32. Qb3 Ra7 33. Nxh6 Rf8) 32. c5 dxc5 33. Nxe5 Qc7 34. Qxc5 {Accuracy: White = 95%, Black = 51%.} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.18"] [White "Souhardo Basak"] [Black "Sochacki, Christophe"] [Result "1/2-1/2"] [ECO "C96"] [WhiteElo "2216"] [BlackElo "2469"] [Annotator "Shahid"] [PlyCount "89"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 24,89,27,22,23,20,13,14,19,0,21,16,20,14,19,0,25,0,0,-22,-22,-25,-29, -76,-12,-97,0,0,0,-38,-35,-35,-15,-19,-20,-14,0,0,73,17,19,16,12,0,243,244,241, 250,222,205,249,246,234,222,224,160,172,185,199,173,262,198,178,165,176,43,163, 73]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 exd4 13. cxd4 Nc6 {C96: Closed Ruy Lopez: Chigorin Defence: 11 d4, replies other than 11...Qc7.} 14. a4 Rb8 15. axb5 axb5 {The position is equal.} 16. d5 Nce5 17. Nxe5 Nxe5 18. f4 Ng6 19. Nf3 f5 20. e5 Bb7 21. e6 Ra8 22. Rb1 Ra2 {[#]} 23. b4 $146 ({Predecessor:} 23. Qd3 Qa8 24. Rd1 c4 25. Qd2 b4 26. Nd4 Bxd5 27. Nxf5 b3 28. Nh6+ gxh6 29. Bxg6 hxg6 30. Qxd5 Qxd5 31. Rxd5 {0-1 (48) Ter Sahakyan,S (2617)-Kovalev,V (2584) Yerevan 2016}) (23. Ng5 Bxg5 24. fxg5) 23... c4 (23... Qa8 $1 $17 24. bxc5 dxc5 ) 24. Re2 (24. Rb2 $1 $11 Ra8 25. Nd4) 24... Nh4 (24... Bf6 $17 25. Bxf5 Rxe2 26. Qxe2 Ne7) 25. Nxh4 $1 $11 Bxh4 26. g4 Qa8 {...fxg4 is the strong threat.} 27. Bxf5 Rxe2 28. Qxe2 Bxd5 {White should prevent ...Bf6.} 29. Bb2 $1 Qa7+ 30. Kh2 g6 (30... Qe7 $11 {remains equal.}) 31. Rd1 ({Better is} 31. Qd2 $1 $16 { And now e7 would win.} Qf2+ 32. Qxf2 Bxf2 33. Rd1) 31... c3 $1 {[%CAl Rc3b2]} 32. Bxc3 Bc4 33. Qg2 Bf6 $2 (33... Qe3 $11 34. Bd2 Bg3+ 35. Kh1 Qb3) 34. Bxf6 $18 Rxf6 35. Rxd6 {Threatens to win with Rd7.} Rf8 36. Bc2 Qe3 37. Qd2 $1 { [%CAl Rd2e3]} Qxd2+ 38. Rxd2 {Hoping for f5.} Bxe6 {[%mdl 4096] Endgame KRB-KRB } 39. Kg3 (39. f5 $1 gxf5 (39... Bf7 40. Kg3) 40. gxf5 Bxf5 41. Rg2+ Kh8 42. Rf2) 39... Rc8 40. f5 gxf5 41. gxf5 Bf7 (41... Rc3+ {might work better.} 42. Kf4 Bb3) 42. Bd1 (42. Kf4 Rc4+ 43. Kg5) 42... Rc3+ 43. Kg4 $1 Kg7 {[#]} 44. Be2 (44. Rd6 $1 $18) 44... Rb3 {[#]} ({Black should play} 44... Bc4 $14) 45. Rd4 { Weighted Error Value: White=0.23/Black=0.36} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.19"] [White "Batsiashvili, Nino"] [Black "Peycheva, Gergana"] [Result "1-0"] [ECO "D31"] [WhiteElo "2460"] [BlackElo "2257"] [Annotator "TA"] [PlyCount "53"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,53,65,76,74,76,200,199,205,160,163,143,164,144,134,141,148,139,145, 145,196,207,220,219,375,395,1202,1198,1154,1125,991,823,29959,5908]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. g3 O-O 6. Bg2 c6 7. O-O b6 8. Ne5 Bb7 9. e4 Nbd7 10. Nxc6 Bxc6 11. exd5 exd5 12. cxd5 Bb7 {[#] E06: Closed Catalan: Early deviations.} 13. d6 $1 {[%CAl Rd6e7][%mdl 576] Discovered Attack} Bxd6 (13... Bxg2 $16 14. dxe7 Qxe7 15. Kxg2 Rad8) 14. Bxb7 $18 Rb8 {White is clearly better.} 15. Bg2 {Threatens to win with Nb5.} b5 {[#]} 16. Qf3 $146 ({ Predecessor:} 16. Qd3 a6 17. a4 b4 18. Ne4 Nxe4 19. Bxe4 Nf6 20. Bg2 a5 21. Bg5 h6 22. Be3 {1-0 (31) Dunn,P (1976)-Lam Choong Wai,E (1821) ICCF email 2017}) 16... h6 17. a4 bxa4 18. Rxa4 a5 19. Qf5 Bb4 20. Na2 {[%CAl Bc3a2,Ba2b4,Bb4c6] [%mdl 32]} Nb6 {[#]} (20... Be7 $16 21. Rd1 (21. Rxa5 $2 g6 $19) (21. Qxa5 Nb6 $11) 21... Re8) 21. Nxb4 $3 {[%mdl 512]} Nxa4 (21... axb4 22. Rxb4) 22. Nc6 $1 {[%csl Ba5,Bb8,Bd8][%mdl 64] Double Attack} Qb6 $2 {[#]} (22... Qd7) 23. Bxh6 $1 {[%mdl 576] Deflection} gxh6 $2 (23... Qb5) 24. Qxf6 {Threatening mate with Ne7+.} Rfe8 {[#]} 25. Bd5 $1 Rb7 26. Qg6+ Kf8 27. Qh7 {Black got outplayed after the opening. Weighted Error Value: White=0.08/Black=0.80} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.20"] [White "Ortega Ruiz, Jose Miguel"] [Black "Stefanova, Antoaneta"] [Result "0-1"] [ECO "D11"] [WhiteElo "2251"] [BlackElo "2466"] [Annotator "TA"] [PlyCount "72"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,72,31,35,29,34,23,23,27,41,28,26,9,6,5,2,5,0,0,43,38,56,52,53,59,66, 10,38,35,45,47,59,51,67,0,0,-15,0,-29,-29,-29,-35,-78,-47,-60,-36,-251,-64, -189,-190,-185,-181,-268,-264,-253,-180,-196,-212,-252,-236,-592,-661,-593, -640]} 1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Bd6 5. Bd3 f5 6. O-O Nf6 7. b3 { [%CAl Bb2b3,Bb3b4][%mdl 32] A84: Dutch Defence: 2 c4 Miscellaneous.} Ne4 8. Ba3 (8. Bb2 {is interesting.} O-O 9. Nc3 b6 10. Ne2 Bb7 11. Ne5) 8... Bxa3 9. Nxa3 {White has an edge.} Qe7 10. Qc1 Nd7 11. Qb2 {[#]} g5 $146 ({Predecessor:} 11... O-O 12. b4 b6 13. Ne5 Nxe5 14. dxe5 a5 15. b5 c5 16. f3 Ng5 17. Rad1 Bb7 {1/2-1/2 (41) Gazi,M (2272)-Blinchevsky,A (2253) FICGS email 2011}) 12. b4 g4 13. Ne5 Nxe5 14. dxe5 Rg8 15. b5 Rg6 16. bxc6 bxc6 17. cxd5 {[#] Threatens to win with Bxe4.} exd5 18. Rac1 (18. f4 $14) 18... Nc5 19. Rfd1 Na4 20. Qb3 Nb6 21. Qc3 Kf7 22. e6+ ({White should try} 22. Nb1 $14) 22... Bxe6 $11 23. Qa5 Rc8 24. Nc2 {Threatening Nd4.} c5 25. Ba6 Rc7 26. Na3 Bd7 27. Bb5 Bc8 28. Ba4 $2 { [#]} ({Better is} 28. Nb1 $15) 28... c4 $2 (28... Nxa4 $19 29. Nb5 Rb7 30. Qxa4 Bd7 31. Rxd5 Rxb5) 29. Rxd5 (29. Bc2 $15) 29... Nxd5 $19 30. Qxd5+ Be6 31. Qa5 (31. Qe5 $142) 31... Rc5 32. Qc3 a6 33. Nc2 Bd5 34. Qh8 Rg7 35. Nb4 $2 (35. Qb8 {is a better chance.}) 35... Bb7 36. Qb8 Rc8 {[%mdl 64] Discovered Attack. Weighted Error Value: White=0.46/Black=0.23} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.21"] [White "Csiki, Endre"] [Black "Siebrecht, Sebastian"] [Result "1-0"] [ECO "B06"] [WhiteElo "2231"] [BlackElo "2429"] [Annotator "ChessBase"] [PlyCount "75"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/5400+30:1800+30"] 1. e4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:10]} Bg7 {[%emt 0: 00:30]} 3. Nc3 d6 {[%emt 0:00:00]} 4. Be3 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 5. Nf3 {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 6. Qd2 {[%emt 0:00:00]} h6 { [%emt 0:00:13]} 7. Bd3 {[%emt 0:00:28]} e6 {[%emt 0:02:51]} 8. O-O-O {[%emt 0: 02:50]} b5 {[%emt 0:05:54]} 9. e5 {[%emt 0:03:15]} d5 {[%emt 0:00:56]} 10. h4 { [%emt 0:00:30]} Ne7 {[%emt 0:07:06]} 11. h5 g5 12. Nxg5 {[%emt 0:05:56]} hxg5 { [%emt 0:00:51]} 13. Bxg5 c5 {[%emt 0:03:24]} 14. h6 {[%emt 0:01:20]} Bf8 { [%emt 0:08:53]} 15. dxc5 {[%emt 0:11:39]} Nxc5 16. Kb1 {[%emt 0:20:14]} b4 { [%emt 0:03:43]} 17. Ne2 {[%emt 0:00:17]} Nxd3 {[%emt 0:03:03]} 18. cxd3 { [%emt 0:01:55]} Qb6 {[%emt 0:06:43]} 19. Ng3 {[%emt 0:01:18]} Bb7 {[%emt 0:02: 39]} 20. h7 {[%emt 0:08:20]} d4 {[%emt 0:13:27]} 21. Bf6 Rxh7 {[%emt 0:16:24]} 22. Rxh7 {[%emt 0:00:49]} Nd5 {[%emt 0:00:01]} 23. Ka1 {[%emt 0:02:08]} b3 { [%emt 0:04:57]} 24. Ne4 Nb4 25. Nd6+ {[%emt 0:28:04]} Bxd6 {[%emt 0:01:09]} 26. exd6 {[%emt 0:00:02]} Qxd6 {[%emt 0:15:03]} 27. Qg5 {[%emt 0:10:09]} Kd7 { [%emt 0:02:24]} 28. Rxf7+ {[%emt 0:00:22]} Kc6 29. Be5 {[%emt 0:02:35]} Nc2+ { [%emt 0:03:16]} 30. Kb1 {[%emt 0:00:04]} bxa2+ {[%emt 0:00:18]} 31. Kxc2 { [%emt 0:00:05]} Qc5+ {[%emt 0:00:06]} 32. Kd2 {[%emt 0:00:57]} Qb4+ {[%emt 0: 00:42]} 33. Ke2 {[%emt 0:00:05]} Qxb2+ {[%emt 0:00:45]} 34. Qd2 {[%emt 0:00:05] } a1=Q {[%emt 0:00:26]} 35. Rxa1 {[%emt 0:00:03]} Qxa1 {[%emt 0:00:09]} 36. Qc2+ {[%emt 0:00:02]} Kd5 {[%emt 0:00:23]} 37. Qc4+ {[%emt 0:00:06]} Kxe5 { [%emt 0:00:12]} 38. Qc5+ {[%emt 0:00:02]} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.22"] [White "Alvarez Albiol, Victor"] [Black "Mendonca, Leon Luke"] [Result "0-1"] [ECO "B90"] [WhiteElo "2206"] [BlackElo "2516"] [Annotator "Shahid"] [PlyCount "118"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 24,118,31,21,35,35,28,35,37,28,67,-11,-11,-11,-11,-11,-11,-11,-11,-11, -11,-12,0,-18,-12,-31,-22,-34,-24,-27,-25,-22,-18,-19,0,-22,-8,-7,-4,-8,-8,-29, -31,-26,0,-26,-22,-54,-49,-44,-29,-43,-40,-55,-39,-54,-39,-55,-7,-46,-38,-50, -50,-50,-50,-75,-74,-143,-133,-129,-105,-137,-131,-179,-177,-174,-147,-209, -197,-234,-234,-234,-214,-1428,-1385,-5389,-3983,-29979,-29980,-29981,-29982, -29972,-29973,-29967,-29964,-29993,-29994]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. a4 Be7 9. a5 Nbd7 10. Be2 O-O 11. O-O b5 12. axb6 Nxb6 13. Nd2 Bb7 {13...Bb7 has become a bit dusty these days. B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 14. Bxb6 Qxb6 15. Nc4 Qc7 {White is slightly better.} 16. Ne3 {[#]} Qc5 $146 ({ Reject} 16... Bxe4 $6 17. Nxe4 Nxe4 18. Bf3 $18) ({Predecessor:} 16... Rfb8 17. Bd3 Bd8 18. Qf3 Bc8 19. Ncd5 Nxd5 20. Nxd5 Qb7 21. b3 Be6 22. Bc4 Ra7 {1-0 (55) Spasov,V (2578)-Zagorskis,D (2490) Turin 2006}) 17. Ncd5 (17. Nf5 $14 Rfe8 18. Qd3 (18. Nxe7+ Rxe7 19. Qd3 Rd7 $11)) 17... Nxd5 $11 18. Nxd5 Bxd5 19. Qxd5 Qxd5 20. exd5 a5 21. Rfb1 g6 22. c3 Rfc8 23. Ra4 Bd8 24. f4 exf4 25. Rxf4 Rab8 26. Rc4 Bb6+ 27. Kf1 Rxc4 28. Bxc4 {[%mdl 4096] Endgame KRB-KRB} Bc5 29. b3 Kg7 30. Ra1 Bb6 31. Re1 $1 Rc8 32. Ra1 Re8 33. Re1 Rc8 34. Ra1 h5 35. g3 Kf6 36. Ra2 Rc7 37. Kg2 Kg5 38. h4+ Kf6 39. Kf3 Rc8 40. Kg2 Rg8 41. Ra1 Re8 42. Rf1+ Kg7 43. Rf3 Re5 44. Kh3 $4 (44. Rf1 Re3 45. Rf3) 44... Re1 $19 {White is now going downhill.} 45. Kg2 (45. Rf1 $142 Re3 46. Rc1) 45... Rg1+ $17 46. Kh3 Rc1 47. Kg2 Rc2+ 48. Kf1 {[#]} Rb2 $1 49. Ke1 f5 50. Kf1 (50. Rf1 $17 {might work better.}) 50... Kf6 $19 51. Rd3 Ke5 52. Rf3 Ba7 53. Rf4 $2 (53. Bb5) 53... Be3 54. Rf3 Ke4 55. Be2 Rxb3 {Black mates.} 56. Bd1 {[#]} Rb1 $1 57. Ke2 Rb2+ 58. Ke1 a4 {[%CAl Ba5a4,Ba4a3][%mdl 32]} 59. Rf1 a3 {Weighted Error Value: White=0. 60/Black=0.06} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.23"] [White "Eizaguerri Floris, Maria"] [Black "Lagarde, Maxime"] [Result "0-1"] [ECO "B67"] [WhiteElo "2167"] [BlackElo "2651"] [Annotator "TA"] [PlyCount "76"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,76,22,17,38,24,50,14,46,43,58,66,56,66,61,47,56,40,95,0,0,-1,49,48, 44,0,0,-49,-53,-55,-14,-40,-33,-47,-60,-101,-70,-195,-154,-152,-144,-454,-439, -670,-670,-665,-662,-919,-892,-1076,-1047,-1255,-1249,-1127,-975,-1026,-1026, -989,-954,-981,-927]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f3 Nxd4 10. Qxd4 Be7 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7.} 11. g4 h5 $5 { [%mdl 4] Leaves trodden paths.} 12. gxh5 Rxh5 {The position is equal.} (12... Nxh5 $5 {[%CAl Re7g5]} 13. Bxe7 Qxe7 $14) 13. h4 Qa5 {[#]} 14. Kb1 $146 ({ Predecessor:} 14. Be2 e5 15. Qd2 Be6 16. Kb1 Rc8 17. Bxf6 Bxf6 18. Nd5 Qxd2 19. Nxf6+ gxf6 20. Rxd2 {1/2-1/2 (30) Navarro Cia,M-Adla,D (2470) Pamplona 1998}) 14... b5 15. Ne2 e5 16. Qd3 Be6 {Hoping for ...Ng4!} 17. Nc1 Rc8 {[#]} (17... Qc7 $14) 18. Bxf6 (18. Bh3 $1 $16) 18... Bxf6 $11 19. Bh3 {Threatens to win with Bxe6.} Rc6 20. Bxe6 fxe6 21. Ne2 Qb4 ({Don't play} 21... Bxh4 $6 22. f4 $16) 22. c3 Qc4 23. Qe3 Qc5 ({And not} 23... Bxh4 24. f4 $16) 24. Qd2 Rxh4 25. Rxh4 Bxh4 26. f4 Bf6 27. Nc1 {[#]} ({Better is} 27. f5 $15) 27... b4 $1 { [%mdl 512]} 28. cxb4 Qc4 29. Qe2 $2 {[%mdl 8192] White does not recover from this.} (29. Nd3 $17 {is more resistant.} exf4 30. e5) 29... exf4 $19 {Black is clearly winning.} 30. Nd3 {[#]} (30. Rf1 $142 Qxe2 31. Nxe2) 30... f3 $1 { [%CAl Rf3e2][%mdl 512]} 31. Qd2 (31. Qxf3 Qc2+) 31... Qxe4 32. Re1 Qf5 { ...Bg5 is the strong threat.} 33. Ka1 g5 34. Qd1 Kf7 35. Qa4 Qb5 36. Qb3 Qc4 37. Qd1 g4 38. Qd2 g3 {Weighted Error Value: White=0.60/Black=0.19} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.24"] [White "Lopez Martinez, Josep Manuel"] [Black "Papadiamandis, Elliot"] [Result "1-0"] [ECO "D90"] [WhiteElo "2542"] [BlackElo "2134"] [Annotator "TA"] [PlyCount "77"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,77,35,11,33,15,54,41,39,44,48,44,40,33,42,66,82,74,87,83,83,81,81,8, 12,0,0,0,0,0,44,54,195,190,184,196,213,218,219,210,203,206,362,360,409,398,559, 559,509,263,726,720,1474,1367,29968,29968,29970,29971,1880,6383,1992,1362]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qa4+ c6 7. e4 Nxc3 8. bxc3 O-O 9. Be3 Nd7 10. Rd1 Qc7 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 11. Bd3 e5 12. O-O c5 {White is slightly better.} 13. d5 {[#]} Nb6 $146 ({Predecessor:} 13... Nf6 14. h3 Ne8 15. c4 Nd6 16. Nd2 b6 17. Qc2 f5 18. f3 f4 19. Bf2 g5 20. Rb1 h5 21. Be2 Bf6 22. Rb3 Kf7 {1/2-1/2 (22) Likavsky,T (2430)-Molnar,E (2233) Slovakia 2019}) 14. Qa3 Bg4 15. Bb5 Rfd8 16. Bxc5 Bxf3 17. gxf3 Bf8 18. Bxf8 Rxf8 19. d6 Qd8 20. Kh1 (20. Rd3 $16) 20... Qf6 21. Be2 $36 {[%mdl 2048] White has the initiative.} Nd7 22. Rd5 Rfc8 23. Rfd1 Qh4 24. Bb5 Nb6 {Black cannot hold the game after this.} ({Black should play} 24... Nf8 $14) 25. d7 $18 ({Don't blunder} 25. Rxe5 $2 Qf4 $19) 25... Rd8 {[#]} 26. R5d2 $1 ({Don't take} 26. Rxe5 $6 Qf6 $14) 26... Qh3 27. Rd3 Qe6 28. Qc5 Qf6 29. Qe3 Qe6 $2 (29... Qf4 {might work better.} 30. Qxf4 exf4) 30. a4 Qb3 31. Qc5 Nxa4 (31... Qe6 $142 32. Kg2 Qf6) 32. Bxa4 Qxa4 33. Qxe5 Qc4 $2 (33... Qa2 34. Kg2 Qe6) 34. Rd6 a5 35. h4 Qe2 36. Kg2 h5 37. R1d5 a4 {[#]} 38. Qe7 ( 38. Qg5 $142 $1 Qa6 39. Rxa6 bxa6 40. Qe7) 38... Qc4 39. Rf6 {Weighted Error Value: White=0.18/Black=0.62} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.25"] [White "Cuenca Jimenez, Jose Fernando"] [Black "Villar Reymundo, Juan Antonio"] [Result "1/2-1/2"] [ECO "A30"] [WhiteElo "2528"] [BlackElo "2129"] [Annotator "TA"] [PlyCount "85"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,85,34,34,36,52,53,47,50,57,51,56,42,55,58,61,58,55,55,81,77,75,63,67, 35,55,35,119,26,61,28,40,34,25,32,32,0,0,0,0,0,0,0,0,0,0,-9,0,-133,-139,-165, -145,-137,0,-29,-34,-104,-85,-150,-39,-21,-42,-46,-39,-586,-585,-576]} 1. c4 c5 2. Nf3 g6 3. e4 Bg7 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 d6 7. Be2 O-O 8. O-O Nc6 9. Be3 Bd7 10. h3 Nxd4 11. Bxd4 Bc6 12. Qc2 {B38: Sicilian: Maroczy Bind with 5... Bg7 and 7...0-0.} Nd7 13. Bxg7 Kxg7 14. b4 {Threatens to win with b5.White is slightly better.} b6 15. Rad1 Qc7 {[#]} 16. Qd2 $146 ({Predecessor:} 16. f4 a5 17. a3 Qa7 18. Kh1 Kg8 19. Qd2 Rad8 20. Qb2 Rfe8 21. Rd2 Rc8 22. Bd3 {1-0 (40) Arnaudov,P (2448)-Van Meegen,R (2212) Leiden 2018}) 16... a5 17. a3 Kg8 18. f4 axb4 19. axb4 Nf6 20. Qe3 Ra3 21. Qd4 Rc8 22. Rf3 Rca8 23. Bf1 Qa7 (23... Nh5 $14) 24. Rfd3 (24. b5 $1 $16 {[%CAl Rb5c6]} Bb7 25. Re3) 24... Qc7 25. Qe3 Ra1 26. e5 Rxd1 27. Rxd1 Ne8 28. e6 f5 29. Qd4 Ra3 30. Rd3 Ra8 31. g4 {Strongly threatening gxf5.} Ng7 32. Re3 Qb7 33. Qd2 Ra1 34. Qb2 (34. b5 $11 Bh1 35. Re1 Rxe1 36. Qxe1) 34... Qa8 $17 35. Kf2 fxg4 36. hxg4 {[#]} Ra3 (36... Bf3 $1 $17 {[%mdl 512]} 37. f5 (37. Nd5 $2 Bxd5 38. Qc3 Qa2+ 39. Be2 Bh1 $19) (37. Rxf3 Rxf1+) 37... gxf5 38. gxf5 Nxf5) 37. Qd2 ({But not} 37. Nd5 $2 Ra2 $19) 37... Qf8 38. Qd4 {[#]} ({Better is} 38. Nd5 $15 Ra4 39. Rg3) 38... h5 $1 {[%CAl Rh5g4]} 39. Be2 (39. b5 $142 Bh1 40. Be2) 39... hxg4 (39... g5 $17 40. Nd5 Ra2) 40. Bxg4 $15 Nf5 41. Bxf5 Qxf5 42. Ne2 $2 {[%mdl 8192] [#]} (42. Kg3 $15) 42... Ra2 $1 $19 43. b5 {[%mdl 32768] Weighted Error Value: White=0.50/Black=0.19. An unexpected result.} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.26"] [White "Ruperez, Miguel"] [Black "Gatineau, Yovann"] [Result "1/2-1/2"] [ECO "A96"] [WhiteElo "2124"] [BlackElo "2423"] [Annotator "TA"] [PlyCount "78"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,78,39,53,50,43,50,42,41,79,71,66,78,83,63,109,94,80,59,41,12,33,0,0, 0,0,0,3,0,0,-22,-33,-25,-25,-31,-26,-26,-26,-33,-26,-25,-28,-31,-8,-9,-11,-9, -9,-8,-9,-15,-8,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. c4 d6 7. Nc3 Ne4 8. Nxe4 {A96: Classical Dutch: Fluid Systems: Early deviations.} fxe4 9. Nd2 d5 10. f3 {White is slightly better.} e3 11. Nb1 c5 12. Bxe3 cxd4 13. Bxd4 e5 14. Bxe5 Nc6 {[#]} 15. Bc3 $146 ({Predecessor:} 15. Bf4 Qb6+ 16. Kh1 Qxb2 17. Qxd5+ Kh8 18. Nd2 Bf6 19. Ne4 Qxa1 20. Rxa1 Bxa1 21. Nd6 {1-0 (35) Maly,A (2371)-Vlachos,A (2401) chess. com INT 2020}) 15... Qb6+ 16. Kh1 d4 17. Be1 Qxb2 18. Nd2 Bf5 $1 19. Nb3 a5 20. Rf2 {[#] Strongly threatening e4.} Bc2 21. e4 Bxd1 22. Rxb2 Bxf3 23. Nd2 $1 { [%CAl Rd2f3]} Bxg2+ 24. Kxg2 Bb4 {And now ...Bc3 would win.} 25. Nf3 {[#]} Rxf3 $1 {[%mdl 576] Remove Defender} 26. Kxf3 {Ke2 is the strong threat.} Ne5+ { [%mdl 64] Double Attack} 27. Kg2 Nd3 28. Re2 {Hoping for Bxb4.The position is equal.} Nxe1+ 29. Rexe1 Bxe1 30. Rxe1 $11 {[%mdl 4096] Endgame KR-KR} Rc8 31. Rc1 Kf7 (31... b5 $5 32. c5 $8 d3 $11) 32. Kf3 Ke6 33. Rb1 Rxc4 {Threatening .. .Rb4.} 34. Rxb7 Rc2 35. Rxg7 Rxh2 36. a4 Ra2 37. Rxh7 Rxa4 38. Rh6+ Ke7 39. e5 d3 {Weighted Error Value: White=0.05/Black=0.05} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.27"] [White "Travadon, Loic"] [Black "Pozanco Romasanta, Marc"] [Result "1/2-1/2"] [ECO "E92"] [WhiteElo "2421"] [BlackElo "2116"] [Annotator "TA"] [PlyCount "146"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,146,22,21,31,25,45,37,37,29,29,0,0,0,0,0,0,0,0,10,0,0,8,-7,0,0,64,62, 77,71,106,112,116,109,116,118,199,83,90,37,25,-88,-75,-76,0,0,0,0,0,-41,-41, -41,-44,-48,-41,-51,-41,-50,-16,-14,0,0,0,0,0,-7,0,0,-6,0,0,-7,-7,-8,-8,-8,0, -8,-8,-8,-8,-8,5,4,8,0,0,0,0,0,0,0,0,0,9,9,15,10,25,26,95,8,8,8,8,0,0,-8,9,8, 10,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12, -12,-12,-12]} 1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Be3 Ng4 {E92: King's Indian: Classical: 6 Be2 e5:7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} 10. Bd2 f5 11. h3 Nf6 {White is slightly better.} 12. exf5 gxf5 13. Qc1 f4 14. g3 e4 $1 {[%CAl Re4f3]} 15. Nh4 e3 $1 {[%CAl Re3d2]} 16. fxe3 fxg3 17. Ng6 Re8 18. Nf4 $36 {[%mdl 2048] White has good play.} Na6 19. Rg1 Nc5 20. Qc2 {Qg6 is the strong threat.} Re5 ({ Black should try} 20... Nfe4 $11 21. Nxe4 Bf5 22. Rxg3 Nxe4 23. Rxg7+ Kxg7) 21. Bd3 $14 ({Don't play} 21. Rxg3 Bf5 $15) 21... Nxd3+ 22. Qxd3 {[#]} Ne4 $146 { [%mdl 512]} ({Predecessor:} 22... Bf5 23. Qf1 Ne4 24. Nxe4 Rxe4 25. Nh5 Qg5 26. Qf3 Be5 27. Nxg3 Kh8 28. Ke2 Rg4 29. Ne4 Bxe4 30. Qxg4 Qxg4+ 31. Rxg4 Bh7 32. Bc3 {1-0 (32) Dardha,D (2468)-Parvanyan,A (2451) Bad Wiessee 2020}) 23. Nxe4 Bf5 24. Qe2 Rxe4 25. Rxg3 Qh4 {[#]} (25... Kh7 $16) 26. Qf2 (26. Qf3 $1 $18 { and the rest is easy.}) 26... Kh8 $16 27. Ng2 (27. Rc1 $16) 27... Qh5 $1 $14 28. Rxg7 (28. Rf3 $11 Rf8 29. Nf4) 28... Kxg7 $17 29. Nf4 Rxf4 (29... Qf7 $17 30. Ke2 Kh7) 30. Qxf4 $11 Kh7 31. Kf2 Rf8 {Strongly threatening ...Rf7.} 32. Rg1 ({Wrong is} 32. Bxa5 $2 Rf7 $19) 32... Rf7 33. Ke1 Bd3 {[%csl Gd3][%CAl Rh5e2]} 34. Qg4 Qxg4 35. hxg4 Bxc4 $15 {[%mdl 4096] Endgame KRB-KRB} 36. Rh1 Bxd5 37. e4 $1 {[%CAl Re4d5]} Bxe4 38. Rxh6+ Kg7 39. g5 $1 {With the idea Bc3+. } Rf3 40. Bc3+ Kf7 41. Bxa5 b6 42. Bc3 Rg3 43. Rf6+ Ke7 44. Rf4 d5 45. Be5 Rg2 46. Kf1 Rc2 47. Rf6 Bd3+ 48. Kg1 Re2 49. Bxc7 Rxb2 50. Bd6+ Kd7 51. a3 Be4 52. Bf4 b5 53. Kf1 Ra2 54. Ra6 b4 55. Rd6+ Ke7 56. axb4 Rb2 57. Rf6 d4 {[#]} (57... Bd3+ $11 58. Ke1 Rg2) 58. Bd6+ (58. Be5 $1 $16) 58... Kd7 $11 {The position is equal.} 59. Bc5 d3 60. Rd6+ Kc7 61. g6 {Cut Off at move 61} Rg2 62. Rd4 d2 63. Rxe4 {And now Rd4 would win.} d1=Q+ 64. Kxg2 {aiming for Kg3. KQ-KRB} Qd5 65. Kf3 Qf5+ 66. Ke3 Qxg6 67. Rf4 Kc6 68. Kd4 Kb5 69. Rf8 Qg4+ 70. Ke5 Qd7 71. Rb8+ Kc4 72. Rf8 Qd5+ 73. Kf6 Qf3+ {Weighted Error Value: White=0.15/Black=0.13} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.28"] [White "Mitran, Anthony Cristian"] [Black "Martin Duque, Jesus"] [Result "1/2-1/2"] [ECO "A10"] [WhiteElo "2157"] [BlackElo "2422"] [Annotator "TA"] [PlyCount "81"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,81,29,30,18,56,38,52,47,35,-34,-36,-28,-24,-37,-26,-31,0,0,0,8,30,32, 36,30,18,18,21,-22,-16,-32,-19,-22,129,137,146,151,483,0,0,0,0,0,82,0,0,0,0,0, 1,0,20,21,152,152,152,152,152,151,152,152,152,152,152,152,759,793,1281,1237, 1131,1122,888,0,556,0]} 1. c4 b6 2. Nc3 Bb7 3. e4 c5 4. Nf3 Nc6 5. d4 cxd4 6. Nxd4 {A34: Symmetrical English: 2 Nc3, lines with ...d5.} g6 {[#]} 7. Bg5 $146 ({Predecessor:} 7. Be3 Bg7 8. Be2 Nf6 9. O-O O-O 10. f3 d6 11. Qd2 Rc8 12. Rac1 Nd7 13. Rfd1 Nc5 14. Nc2 Re8 15. Bf1 Ne5 16. b3 Ne6 17. Nb4 Qd7 18. Nbd5 Nc5 19. Kh1 Ba8 20. Qf2 {1-0 (41) Guramishvili,S (2368)-Brink,B (2360) Wijk aan Zee 2016}) 7... Bg7 8. Ndb5 {White is slightly better.} Nf6 9. Bxf6 (9. f3 $14) 9... Bxf6 $15 10. Nd5 Be5 11. f4 Bb8 12. Qd2 O-O (12... a6 {is more complex.} 13. Nd4 O-O 14. e5 d6 15. Nxc6 Bxc6 16. O-O-O dxe5 17. Nf6+ Kg7) 13. O-O-O { [%CAl Ba1d1,Bd1d3,Bd3h3,Bh3h7][%mdl 32]} a6 $1 {[%CAl Ra6b5]} 14. Na3 $1 e5 ( 14... e6 $5 15. Nc3 $8 Bc7 $11) 15. f5 {Qh6 is the strong threat.} Nd4 16. Qh6 {Threatening mate with f6.} Bxd5 17. cxd5 b5 ({Not} 17... gxf5 $2 18. Rd3 $18) 18. Rd3 {And now Rh3 would win.} Qf6 $1 19. Rh3 {[%csl Gh3][%CAl Rh6h7]} Rc8+ 20. Kb1 Bd6 $2 (20... Qg7 $11) 21. Qxh7+ $16 Kf8 22. fxg6 Qxg6 $2 {[#]} (22... Ke7 $16 23. gxf7 Rf8) 23. Qxg6 $2 ({White must play} 23. Qh4 $1 $18) 23... fxg6 $11 24. Rh7 {Strongly threatening Bd3.} Bxa3 25. bxa3 d6 {[#]} (25... Kg8 $1 $11 26. Rxd7 Rc2) 26. g3 (26. Bd3 $1 $16) 26... Kg8 27. Rd7 Rd8 28. Rxd8+ (28. Rb7 {seems wilder.} Rab8 29. Rxb8 Rxb8 30. Bh3 Kg7 31. Bg4) 28... Rxd8 { [%mdl 4096] Endgame KRB-KRN} 29. Bd3 Rf8 30. Rf1 {Threatens to win with Rxf8+.} Rxf1+ (30... Rc8 $11 {keeps the balance.}) 31. Bxf1 {KB-KN} a5 32. Kb2 Kf7 33. Kc3 Ke7 34. h4 Kf6 35. Kd2 g5 36. Be2 gxh4 $2 (36... Kg7 $16 37. Bd1 (37. hxg5 Kg6 $16) 37... Kg6) 37. gxh4 $18 Kg6 38. Bd1 Kf6 39. Ke3 Kg6 40. Kd2 Kf6 $1 41. Ke3 $2 {Weighted Error Value: White=0.34/Black=0.33} (41. Ke1 $18 a4 42. Kf2) 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.29"] [White "Vlachos, Anatole"] [Black "Ezquerro Luque, Albert"] [Result "*"] [ECO "A81"] [WhiteElo "2413"] [BlackElo "2101"] [Annotator "TA"] [PlyCount "38"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,38,18,7,26,25,17,0,70,53,68,70,86,85,78,80,181,166,186,176,257,246, 322]} 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 d5 5. Nf3 Bd6 6. O-O O-O 7. Nc3 c6 8. Qc2 Ne4 9. Rb1 Nd7 10. b4 {[%CAl Bb2b4,Bb4b5][%mdl 32]} b6 {A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6).} 11. b5 Qc7 {[#]} 12. Nxe4 $146 ({Predecessor:} 12. Bd2 Ndf6 13. bxc6 Qxc6 14. Nb5 Qxc4 15. Qxc4 dxc4 16. Nxd6 Nxd6 17. Bb4 Rd8 18. Rfc1 {0-1 (39) Jankovic,A (2568)-Sedlak,N (2608) Jahorina 2018}) 12... dxe4 (12... fxe4 $11 13. Ng5 Nf6) 13. Ng5 $14 Nf6 14. f3 $1 {[%CAl Rf3e4]} h6 15. fxe4 {e5 is the strong threat.} hxg5 16. e5 {[%mdl 64] Double Attack} Bd7 (16... Bb7 $16) 17. exd6 $18 (17. Bxg5 $6 Bxe5 18. dxe5 Qxe5 $14) 17... Qxd6 {[#]} 18. Qd3 $1 ({Resist} 18. Bxg5 $6 Qxd4+ 19. Kh1 Be8 $14) 18... cxb5 (18... Rf7 $142 19. Bxg5 Rc8) 19. cxb5 ({Much less strong is} 19. Bxa8 $6 Rxa8 20. cxb5 (20. Bxg5 bxc4 21. Qxc4 Rc8 $16) 20... Ne4 $16) 19... e5 {Black got outplayed after the opening. Weighted Error Value: White=0.02/ Black=0.42} * [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.29"] [White "Yu, Jennifer"] [Black "Rut, Vojtech"] [Result "1-0"] [ECO "A81"] [WhiteElo "2315"] [BlackElo "2057"] [Annotator "TA"] [PlyCount "49"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,49,15,14,14,14,10,29,59,60,64,73,69,76,70,77,160,167,158,164,258,249, 339,357,357,347,340,305,748,723,804,798,1079,1047]} 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 d5 5. Nf3 Bd6 6. O-O O-O 7. Nc3 c6 8. Qc2 Ne4 9. Rb1 Nd7 10. b4 { [%CAl Bb2b4,Bb4b5][%mdl 32]} b6 {A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6).} 11. b5 Qc7 {[#]} 12. Nxe4 $146 ({Predecessor:} 12. Bd2 Ndf6 13. bxc6 Qxc6 14. Nb5 Qxc4 15. Qxc4 dxc4 16. Nxd6 Nxd6 17. Bb4 Rd8 18. Rfc1 {0-1 (39) Jankovic,A (2568)-Sedlak,N (2608) Jahorina 2018}) 12... dxe4 { White has an edge.} 13. Ng5 Nf6 14. f3 $1 {[%CAl Rf3e4]} h6 15. fxe4 {aiming for e5.} hxg5 16. e5 {[%mdl 64] Double Attack} Bd7 (16... Bb7 $142) 17. exd6 $16 (17. Bxg5 $6 Bxe5 18. dxe5 Qxe5 $14) 17... Qxd6 {[#]} 18. Qd3 $1 (18. Bxg5 $6 Qxd4+ 19. Kh1 Qc5 $14) 18... cxb5 (18... Rf7 {was worth a try.} 19. Bxg5 Rc8 ) 19. cxb5 $18 ({But not} 19. Bxa8 $6 Rxa8 20. cxb5 (20. Bxg5 bxc4 21. Qxc4 Rc8 $16) 20... Ne4 $16) 19... e5 20. dxe5 ({Less strong is} 20. Bxg5 e4 $14) 20... Qxe5 21. Bb2 ({Not} 21. Bxg5 Rad8 $16) 21... Qc5+ 22. Bd4 Qe7 $2 {[#]} (22... Qd6 23. Bxa8 Rxa8 24. Bxf6 Qxd3 25. exd3 gxf6) 23. Bxa8 {White is clearly winning.} Rxa8 24. Bxf6 gxf6 25. Qd5+ {[%mdl 64] Double Attack. White took control after the opening. Weighted Error Value: White=0.00/Black=0.34} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.30"] [White "Boyer, Mahel"] [Black "Carroll, Peter"] [Result "1-0"] [ECO "A46"] [WhiteElo "2307"] [BlackElo "2031"] [Annotator "TA"] [PlyCount "47"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,47,6,-4,0,-3,-5,-9,-27,-26,-37,-43,-25,-21,-17,-23,-20,-51,-36,-25, -29,-31,-29,-19,-27,-36,-27,-52,127,105,179,183,274,265,442,429,1372,1373,1385, 1385]} 1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 Qb6 5. Qc1 Ne4 6. Bf4 Be7 {A46:1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} 7. Bd3 {[#]} d5 $146 ({ Predecessor:} 7... f5 8. c3 Nc6 9. Nbd2 d5 10. h4 Bd7 11. Ne5 Nxe5 12. Bxe5 Nxd2 13. Qxd2 Bb5 14. Bxb5+ Qxb5 15. Bxg7 {1/2-1/2 (37) Brinkmann,G (1959) -Broberg,H (2142) Leipzig 2004}) 8. c3 g5 {The position is equal.} 9. Be5 f6 10. Bg3 Nd7 11. Bxe4 dxe4 12. Nfd2 f5 13. Na3 cxd4 14. cxd4 O-O 15. h4 f4 16. Bh2 $1 {[#]} Ne5 $1 {[%mdl 512] And now ...Nd3+ would win.} 17. dxe5 {Nac4 is the strong threat.} fxe3 18. O-O e2 $2 (18... exd2 $15 {stays ahead.} 19. Qxd2 {[#]} Rxf2 $1 {[%mdl 576] Decoy} 20. Rxf2 (20. Qxf2 $2 {is the wrong capture.} Bc5 $19) 20... e3 {[%mdl 64] Double Attack}) 19. Re1 $16 Qxf2+ (19... Rxf2 $16 20. Kh1 Bd7) 20. Kh1 $18 Bb4 (20... Bd7 $142) 21. Nc2 ({Avoid the trap} 21. Nxe4 $2 Qxe1+ 22. Qxe1 Bxe1 $19) ({Don't go for} 21. hxg5 $2 e3 $19) 21... gxh4 $2 (21... Bxd2 22. Qxd2 {[%mdl 64] Double Attack} Qxh4 23. Rxe2 b6) 22. Nxe4 { White is clearly winning.} Qxe1+ (22... Qf1+ $142 23. Rxf1 exf1=Q+ 24. Qxf1 Rxf1+ 25. Rxf1 Be7) 23. Nxe1 Rf1+ 24. Bg1 {Weighted Error Value: White=0.07/ Black=0.41} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.30"] [White "Altisen Palmada, Roberto"] [Black "Ayats Llobera, Gerard"] [Result "*"] [ECO "A46"] [WhiteElo "2102"] [BlackElo "2400"] [Annotator "RC"] [PlyCount "32"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/5400+30:1800+30"] 1. d4 {[%emt 0:08:08]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:30]} e6 { [%emt 0:00:00]} 3. Bg5 {[%emt 0:05:41]} c5 {[%emt 0:05:57]} 4. e3 {[%emt 0:03: 42]} Qb6 {[%emt 0:00:19]} 5. Qc1 {[%emt 0:00:27]} Ne4 {[%emt 0:01:38]} 6. Bf4 { [%emt 0:00:30]} Be7 {[%emt 0:03:19]} 7. Bd3 {[%emt 0:00:40]} d5 {[%emt 0:18:55] } 8. c3 {[%emt 0:01:45]} g5 {[%emt 0:02:33]} 9. Be5 {[%emt 0:00:22]} f6 { [%emt 0:07:24]} 10. Bg3 {[%emt 0:12:17]} Nd7 {[%emt 0:00:13]} 11. Bxe4 { [%emt 0:00:05]} dxe4 {[%emt 0:03:36]} 12. Nfd2 {[%emt 0:01:27]} f5 {[%emt 0:15: 01]} 13. Na3 {[%emt 0:00:54]} cxd4 {[%emt 0:06:27]} 14. cxd4 {[%emt 0:04:28]} O-O {[%emt 0:08:20]} 15. h4 {[%emt 0:00:23]} f4 {[%emt 0:06:20]} 16. Bh2 Ne5 * [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.31"] [White "Valenzuela Gomez, Fernando"] [Black "Llopis de Aysa, Manuel"] [Result "*"] [ECO "B90"] [WhiteElo "2390"] [BlackElo "2093"] [Annotator "RC"] [PlyCount "51"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/5400+30:1800+30"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Nd5 Bxd5 10. exd5 Nbd7 11. Qd2 g6 12. c4 b6 13. a4 a5 14. Nc1 Bg7 15. Rb1 O-O 16. Be2 Nc5 17. Bd1 e4 18. f4 Ng4 19. O-O Nxe3 20. Qxe3 f5 21. b4 axb4 22. Rxb4 Qc7 23. Ne2 Ra6 24. Bc2 Nd3 25. Bxd3 exd3 26. Nc1 * [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.15"] [Round "3.31"] [White "Ruiz Buendia, Miguel"] [Black "Garcia Ruiz, Adrian"] [Result "0-1"] [ECO "B90"] [WhiteElo "2013"] [BlackElo "2024"] [Annotator "TA"] [PlyCount "86"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,86,8,31,32,23,38,29,29,38,13,23,12,38,-18,0,-62,-25,-25,-15,-34,-37, -36,-65,-91,-91,-91,-88,-154,-146,-132,-88,-88,-83,-172,-165,-230,-216,-228, -128,-219,-208,-208,-182,-182,-191,-259,-250,-336,-322,-480,-318,-429,-382, -531,-378,-378,-378,-5708,-5662,-8379,-9014,-5373,-5273,-6510,-6187,-2242,0, -696,-673,-29982,-29983,-29993,-29994]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 (8... Nbd7 {is more complex.} 9. g4 b5 10. a3 h6 11. Qd3 Nb6) 9. Nd5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Bxd5 10. exd5 Nbd7 11. Qd2 {White has an edge.} g6 12. c4 {Recently 12.0-0-0 got a lot of attention.} b6 13. a4 a5 {[#]} 14. Nc1 $146 (14. Bd3 $14) ({Predecessor:} 14. Be2 Nc5 15. Nc1 h4 16. O-O Nh5 17. Bd1 Be7 18. Na2 f5 19. b4 Nd7 20. Bc2 {0-1 (37) Kulon,K (2332)-Sadzikowski,D (2492) Krakow 2014}) 14... Bg7 $11 15. Rb1 ({White should try} 15. Be2 $11) 15... O-O 16. Be2 Nc5 17. Bd1 e4 18. f4 Ng4 19. O-O Nxe3 20. Qxe3 f5 21. b4 ( 21. Ne2 $142) 21... axb4 $17 22. Rxb4 Qc7 23. Ne2 Ra6 24. Bc2 {[#]} (24. Nd4 $17) 24... Nd3 $1 $36 {[%CAl Rd3b4][%mdl 2560] Keeping White busy.} 25. Bxd3 ( 25. Rb5 {keeps fighting.}) 25... exd3 26. Nc1 ({Avoid the trap} 26. Nd4 $2 Qc5 $19) 26... Bc3 (26... Qc5 $19 27. Qxc5 bxc5) 27. Nxd3 (27. Rb1 $17 {was worth a try.}) 27... Bxb4 28. Nxb4 Rxa4 29. Nc6 {[#] Black must now prevent Ne7+.} Qf7 $1 ({Weaker is} 29... Rxc4 30. Ne7+ Kg7 31. Qe6 $11) 30. Qb3 (30. Nd4 { was necessary.}) 30... Rfa8 31. Qxb6 Rxc4 32. Qe3 (32. h3 $142) 32... Re8 33. Qg3 Qf6 34. Rb1 Rc3 35. Qf2 Ra3 {...Ra1 is the strong threat.} 36. h3 $2 (36. Nd4 Ra4 37. Nf3) 36... Ra1 37. Rxa1 Qxa1+ {[%mdl 4096] Endgame KQR-KQN} 38. Kh2 Re1 39. Kg3 Qc3+ 40. Kh2 Qa1 (40... Qc1 $142 41. Nd4 {[#]} h4 $1 {[%mdl 512]} 42. Qxe1 Qxe1) 41. Kg3 $1 Qc1 {And now ...Rf1 would win.} 42. Qd4 Rf1 43. Ne7+ Kf7 {Accuracy: White = 30%, Black = 73%.} 0-1