[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Shirov, Alexei"]
[Black "Sosa, Tomas"]
[Result "1/2-1/2"]
[ECO "C72"]
[WhiteElo "2658"]
[BlackElo "2499"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,86,27,26,33,43,37,38,42,32,38,58,40,70,72,68,33,37,32,33,16,50,31,32,31,35,43,43,43,152,152,173,84,72,59,95,83,105,27,25,0,0,0,0,0,0,0,0,-12,-12,-14,-16,-23,-27,-60,-60,-79,-80,-99,-92,-106,-102,-97,0,-123,0,-91,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. d4 exd4 7. Nxd4 b5 {C72: Ruy Lopez: Deferred Steinitz: 5 0-0} 8. Nxc6 Bxc6 9. Bb3 Nf6 10. c4 Be7 11. Nc3 O-O {LiveBook: 16 Games} 12. Qc2 $146 ({Predecessor:} 12. Re1 Nd7 13. Be3 Bf6 14. Qc2 Bxc3 15. Qxc3 Bxe4 {1-0 (28) Svidler,P (2760)-Stevic,H (2616) Antalya 2017}) 12... Qd7 13. Rd1 b4 14. Nd5 a5 {[#] White must now prevent ...a4.} 15. a4 bxa3 16. Rxa3 a4 17. Ba2 Nxd5 18. exd5 {Hoping for Rh3.} Bb7 19. Rh3 {[%csl Gh3][%cal Rc2h7]} g6 20. Qd2 $36 {[%mdl 2048] Black is under pressure.} h5 21. Bb1 {Qh6 is the strong threat.} Rfe8 {[#]} 22. Rxh5 $1 {[%mdl 512]} Qg4 (22... gxh5 $2 {too greedy.} 23. Qh6 $18) 23. Rh3 Bg5 24. Qc2 Bxc1 ({Better is} 24... Bf6 $14) 25. Qxc1 $16 ({But not} 25. Rxc1 $6 Qd4 $16) 25... Ba6 26. Rc3 (26. Bd3 $18 {has better winning chances.}) 26... Rab8 27. h3 Qh5 28. Bc2 Re2 29. Bxa4 (29. Re1 $16) 29... Rbxb2 $11 30. Rf3 Qh4 {[%cal Re2f2]} 31. Qf4 Qxf4 32. Rxf4 Rb4 33. Bc6 Rxc4 34. Rf3 Rcc2 35. Ra1 Bc4 36. Ra8+ Kg7 37. Rd8 {And now Rd7 would win.} Re7 38. Rf4 Ba2 39. Ra8 Rd2 40. Ra5 Re5 {[%cal Ra2d5]} 41. Ra7 Re7 42. Ra5 Re5 {[%cal Ra2d5]} 43. Ra7 Re7 {Accuracy: White = 54%, Black = 70%.} ({Black should try} 43... Re1+ $17 44. Kh2 Rc1) 1/2-1/2

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Nasuta, Grzegorz"]
[Black "Marechal, Andy"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2534"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,51,35,31,26,1,5,-1,5,27,50,52,56,60,74,55,61,58,68,65,54,58,83,70,69,60,79,68,75,0,83,0,76,0]} 1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 c5 6. Ne2 Nc6 {C01: French: Exchange Variation} 7. Be3 e5 (7... Nd5 8. Bxd5 Qxd5 9. Nbc3 Qxg2 10. Rg1 Qf3 11. Nb5 Rb8 12. dxc5 Bd7 13. Nc7+ Kd8 14. Nb5 {0-1 (54) Kramnik,V (2808)-Caruana,F (2808) Stavanger 2017}) 8. Bxc6+ bxc6 9. dxe5 Qxd1+ 10. Kxd1 Ng4 11. Nd2 {LiveBook: 38 Games} Be7 12. Kc1 O-O $146 ({Predecessor:} 12... Nxe5 13. Ne4 c4 14. Bc5 {1-0 (50) Onischuk,V (2623)-Flom,G (2448) Bastia 2017}) 13. Nf4 Nxe3 14. fxe3 Re8 15. Nd3 Bf5 16. Rf1 Bg6 17. Nc4 Rad8 18. Kd2 f6 19. exf6 Bxf6 20. Rae1 $1 Be4 21. Re2 Bg5 22. b3 h6 23. Rff2 Bh4 24. Rf1 Bg5 $1 25. Rff2 Bh4 26. Rf1 {Accuracy: White = 49%, Black = 53%.} ({Better is} 26. g3 $16 Bf6 27. Kc1) 1/2-1/2

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Sadzikowski, Daniel"]
[Black "Aguilar, Andres"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2534"]
[BlackElo "2307"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,85,50,50,48,44,87,56,99,75,127,112,120,66,67,78,154,91,74,45,102,111,97,34,42,40,35,22,27,33,56,20,47,43,44,47,52,36,109,70,195,188,197,75,73,80,66,73,97,23,11,8,33,0,103,129,558,541,538,518,520,500,29986,29987,29987,29988,29993,29994,29995,29994,29995,29996]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 Na6 7. g4 {E71: King's Indian: 4 e4 d6 5 h3} c5 (7... c6 8. Nge2 Nc7 9. Ng3 b5 10. cxb5 cxb5 11. Bg2 e5 12. dxe5 dxe5 13. Qxd8 Rxd8 14. O-O b4 {½-½ (39) Parligras,M (2623)-Grischuk,A (2769) Douglas 2018}) 8. Nge2 cxd4 9. Nxd4 {LiveBook: 3 Games. White is slightly better.} Nc5 10. Bg2 a5 11. O-O a4 $146 ({Predecessor:} 11... Bd7 12. f4 a4 13. Qd2 Qb8 14. Rad1 Rc8 15. e5 dxe5 16. fxe5 Ne8 17. Qf2 f6 18. Nf3 {1-0 (18) Salomon,J (2462)-Molvig,H (2121) Helsingor 2018}) 12. Ndb5 Nfd7 (12... Be6 $142) 13. f4 Nb6 14. Qe2 ({White should try} 14. e5 $1 $16) 14... Be6 $14 15. Na3 Rc8 {[#]} (15... Bxc3 $142 16. bxc3 Bd7) 16. f5 (16. e5 $142 $1 {[%mdl 512]}) 16... Bd7 $16 17. Rfd1 Qc7 (17... Be5 $14) 18. Rac1 Qb8 19. Bd4 (19. Nab5 $16) 19... Bxd4+ $14 20. Rxd4 Bc6 21. Nd5 Bxd5 22. exd5 Rce8 23. Qd2 {Hoping for Qh6.} Kg7 24. Rf1 Nbd7 25. Nb5 Qd8 26. g5 h5 (26... Kg8 $14) 27. Rh4 gxf5 ({Better is} 27... Qb6 $14) 28. Rxf5 $18 {And now Qd4+ would win.} ({Don't do} 28. Rxh5 $6 Rh8 $16) 28... Ne5 29. Rxh5 (29. Nd4 $18 {is more deadly.}) 29... Rh8 $16 {[#]} 30. Rxh8 $1 Rxh8 31. Qd4 $36 {[%mdl 2048] Strongly threatening Rxe5. White has strong initiative.} Ncd7 32. Kh2 ({White should play} 32. b4 $16) 32... Qa5 $11 33. Rf1 Qb4 34. Qf4 Qxc4 {[#]} (34... Qxb2 $11 35. Nd4 Kf8) 35. Nd4 $1 $16 {Threatens to win with Rc1.} Nc5 $2 {[%mdl 8192]} (35... Kg8 $16 {is a better chance.}) 36. Rc1 $18 Qd3 37. Nf5+ ({Stronger than} 37. Rxc5 Ng6 $11) 37... Kf8 {[#]} 38. Rxc5 $1 {[%cal Rc5c8][%mdl 512]} Ng4+ (38... Rxh3+ $18 39. Bxh3 Qe2+ 40. Bg2 dxc5 41. Qxa4 f6 42. gxf6 exf6) (38... dxc5 39. Qxe5) 39. Qxg4 {[%cal Rc5c8] White mates.} dxc5 40. Qf4 {[%cal Rf4b8]} Qb5 41. Qe5 {[%cal Re5h8][%mdl 64] Double Attack} Rxh3+ 42. Bxh3 {[%cal Re5h8]} Qxb2+ 43. Qxb2 {Accuracy: White = 33%, Black = 32%.} 1-0

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Tazbir, Marcin"]
[Black "Nayhebaver, Martin"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2529"]
[BlackElo "2462"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,49,48,32,25,27,51,51,66,43,36,43,43,35,158,163,187,164,181,133,226,221,306,179,233,220,270,270,570,590,634,625,1152,1150,29998,29999]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. d3 Bg7 6. f4 d6 7. Nf3 Nh6 8. O-O f5 {B23: Closed Sicilian: Lines without g3} 9. Qe2 {LiveBook: 4 Games} (9. e5 O-O 10. Qe2 Qc7 11. Re1 Nf7 12. Na4 Nd8 13. Bd2 Ne6 14. Qf2 Rb8 15. b3 Rd8 16. Rad1 Rb5 17. Qh4 d5 18. c4 {1-0 (63) Zeng,C (2541)-Wang,Y (2726) China 2015}) 9... fxe4 $146 ({Predecessor:} 9... O-O 10. e5 Qc7 11. Bd2 Rb8 12. b3 Nf7 13. Rae1 Nd8 14. Na4 Ne6 15. Qf2 Bd7 16. Qh4 Rbe8 17. Bc3 Qd8 18. Rf2 {1-0 (54) Muzychuk,M (2495)-Voiska,M (2261) Kragujevac 2013}) 10. Nxe4 Nf7 {White has an edge.} 11. Rb1 O-O 12. b3 Bg4 13. h3 Bxf3 14. Rxf3 e5 (14... Qa5 $14 15. a4 d5) 15. f5 $16 gxf5 16. Rxf5 Qe7 17. Be3 Nh8 (17... Nh6 $16 {might work better.} 18. Rxf8+ Rxf8) 18. Rbf1 $18 {[%cal Bb1f1,Bf1f5,Bf5f8][%mdl 32]} Ng6 19. Qg4 (19. Bg5 $142 Qe6 20. Bf6) 19... Rxf5 (19... Nf4 $142) 20. Rxf5 Re8 21. g3 Qd8 $2 {[#]} (21... Rf8 22. Kg2 a6 23. Rxf8+ Nxf8) 22. h4 d5 23. Ng5 e4 {and the idea ...Qd6 leaves Black hopeful.} 24. Qh5 {[%csl Gg5][%cal Rh5h7]} Nf8 {[#]} 25. Rxf8+ $1 {[%mdl 576] Remove Defender. Accuracy: White = 74%, Black = 21%.} 1-0

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Maiorov, Nikita"]
[Black "Plazuelo Pascual, Juan"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2524"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,57,19,16,-2,0,0,30,38,34,24,26,16,24,14,28,21,26,0,36,30,39,8,38,0,0,0,0,-1,18,8,12,10,74,-230,-218,-300,-312,-317,-311,-758,-753,-753,-735,-2210]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. e3 {E36: Nimzo-Indian: Classical: 4...d5 5 a3} (7. Bg5 dxc4 8. Qxc4 b6 9. Rd1 Ba6 10. Qc2 Nbd7 11. e4 Bxf1 12. Kxf1 Qc8 13. Ne2 h6 14. Bxf6 Nxf6 15. f3 {½-½ (31) So,W (2780)-Nakamura,H (2777) Saint Louis 2018}) 7... b6 8. cxd5 exd5 {LiveBook: 10 Games} 9. f3 {The position is equal.} Re8 10. Bb5 $146 ({Predecessor:} 10. Bd3 Ba6 11. Ne2 c5 12. Bxa6 Nxa6 13. O-O Qc8 14. Bd2 Qb7 15. b4 cxb4 16. axb4 {0-1 (38) Andersson,J-Rytshagov,M (2495) Vantaa 1996}) 10... Re7 11. Ne2 Ba6 12. Bxa6 Nxa6 13. O-O c5 14. b3 Rc8 15. Ng3 Qd7 16. Re1 cxd4 17. Qxd4 Nc5 18. Rb1 Ree8 {[%cal Be7e8,Be8d8,Bd8d7][%mdl 32]} 19. Bd2 Ne6 20. Qb2 d4 $36 {[%cal Bd5d4,Bd4d3,Bd3c2][%mdl 2080] Black has good play.} 21. Rbd1 Red8 {With the idea ...dxe3.} 22. e4 d3 23. Bc3 Nf4 (23... Ne8 $11) 24. Bxf6 $4 {[%mdl 8192] [#]} (24. Nf5 $1 $16 {keeps the pressure on.} Rc6 25. Kh1) 24... Rc2 $1 $19 {[%cal Rc2b2]} 25. Qxc2 dxc2 26. Rxd7 Rxd7 27. Bb2 $2 {[#]} (27. Bg5 Rd1 28. Bxf4 Rxe1+ 29. Kf2) 27... Rd1 $1 {[%cal Rd1e1]} 28. Rf1 Nd3 29. Bc3 {Accuracy: White = 48%, Black = 54%.} 0-1

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Frolyanov, Dmitry"]
[Black "Grigoryan, Karen H."]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2517"]
[BlackElo "2557"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,99,112,156,194,61,245,238,239,236,225,227,401,456,397,289,292,298,277,274,301,290,304,304,301,304,302,246,458,440,547,545,511,534,643,643,585,590,582,546,570,537,520,488,433,405,411,422,439,442,493,470,556,556,509,502,563,508,545,520,672,684,681,677,699,675,4151,4151,6079,5556,6881,6266,29967,29967,5817,5654]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. Re1 b6 9. h3 Bb7 10. Ba2 a6 11. dxe5 {C41: Philidor Defence} dxe5 12. Nh4 {[%cal Bf3h4,Bh4f5,Bf5h6][%mdl 32]} Bb4 (12... b5 13. Nf5 b4 14. Nb1 Ne8 15. Be3 Bc5 16. Nd2 g6 17. Nb3 Bxe3 18. Nxe3 Qc7 {½-½ (28) Kislinsky,A (2574)-Nepomniachtchi,I (2710) Legnica 2013}) 13. Nf5 Nc5 14. Qf3 $1 {LiveBook: 3 Games} Ne6 {[#]} 15. Qg3 ({White should try} 15. Rd1 $1 $18 {[%cal Rd1d8]} Nd4 16. Nxd4 exd4 17. e5) 15... g6 $146 (15... Qc7 $14) ({Predecessor:} 15... Qc7 16. Be3 Bxc3 17. bxc3 Nxe4 18. Qh4 N4c5 {½-½ (68) Paehtz,T (2425)-Roesch,A (2345) Germany 1999}) 16. Nh6+ $18 Kg7 17. Bxe6 $1 (17. Qxe5 Bd6 $17) 17... fxe6 18. Qxe5 Qe7 $2 (18... Bd6 19. Qxe6 Bc8) 19. Rd1 Kh8 20. g4 Qg7 21. Bf4 {And now g5 would win.} g5 22. Bxg5 Bxc3 23. bxc3 Nxe4 24. Bf4 ({Don't do} 24. Qxe4 $6 Qxg5 25. Qxe6 Qf6 $18) 24... Rxf4 25. Qxf4 Nxc3 {White must now prevent ...Ne2+.} (25... Ng5 $2 {[#]} 26. Qxg5 $1 {[%mdl 512]} Qxg5 27. Nf7+ Kg7 28. Nxg5 $18) 26. Re1 ({Don't take} 26. Nf7+ $6 Kg8 $18) 26... Nd5 $2 ({But not} 26... Ne2+ $2 27. Rxe2 Qxa1+ 28. Kh2 $18) (26... Rf8 27. Qe5 Bc8) 27. Qe5 Nf6 28. g5 Rf8 29. Rad1 c5 30. Rd6 {[%mdl 64] Double Attack} Bd5 31. Rxb6 Nd7 32. Qxg7+ Kxg7 33. Rxa6 Kg6 34. Rd6 Kxg5 35. Rxd7 Kxh6 {[%mdl 4096] Endgame KRR-KRB} 36. Re3 Rg8+ 37. Kf1 Bc4+ 38. Ke1 Rg1+ 39. Kd2 Ra1 40. Rc7 Bd5 41. Rxc5 Rxa4 42. Kd3 Ra3+ 43. Kd4 Ra4+ 44. c4 Kg6 45. Kc3 Ra3+ 46. Kb4 Rxe3 47. fxe3 Bg2 48. h4 {Rg5+ would kill now.} h6 49. Kc3 Kf6 50. Ra5 {Accuracy: White = 73%, Black = 46%.} 1-0

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Kantor, Gergely"]
[Black "Dardha, Arben"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2514"]
[BlackElo "2284"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,89,30,69,59,65,70,72,71,89,75,80,84,87,79,96,51,55,48,48,51,47,45,61,36,34,36,64,56,89,91,100,100,103,102,131,126,137,137,135,135,140,98,230,229,250,250,259,258,259,249,237,231,568,543,2260,2259,2197,2017,2016,1961,1932,1839,1827,1789,1790,1355,2183,2281,6291,1995,29985,29986,29986,29986,29986,29987]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 d5 5. Bg2 O-O 6. Ngf3 Nbd7 7. O-O {E01: Catalan: Early deviations} c6 (7... b6 8. Qa4 Bd6 9. b4 dxc4 10. Nxc4 Bb7 11. Nxd6 cxd6 12. Bf4 Qb8 13. Rfc1 h6 14. Ne1 e5 15. dxe5 dxe5 {0-1 (23) Xu,J (2501)-Zhou,J (2616) Xinghua 2018}) 8. Qc2 Qe7 {LiveBook: 3 Games} 9. e4 {White is slightly better.} dxe4 10. Nxe4 Nxe4 11. Qxe4 Nf6 12. Qe2 Rd8 $146 ({Predecessor:} 12... Re8 13. Bf4 Bd6 14. Bxd6 Qxd6 15. Rfd1 {½-½ (50) Ivelinov,H (2210)-Sohib,O (2119) Golden Sands 2015}) 13. Bf4 Bd6 14. Bxd6 Qxd6 15. c5 Qc7 16. Rac1 b5 17. Ne5 Nd5 18. Rfe1 Bd7 19. h4 {[%cal Bh2h4,Bh4h5,Bh5h6][%mdl 32]} Be8 20. Bh3 Ne7 21. Rcd1 $36 {[%mdl 2048] White is pushing.} Ng6 22. h5 Nxe5 23. dxe5 Rd5 24. h6 g6 25. Qe3 $1 Qe7 {[#]} 26. b4 $1 Rad8 27. Bg4 Kf8 28. Qf4 R8d7 {[#]} (28... a5 $16 {was called for.}) 29. Bf3 $1 $18 Rxd1 30. Rxd1 ({Less strong is} 30. Bxd1 Qd8 $14) 30... Rxd1+ 31. Bxd1 Qd8 32. Bb3 Kg8 33. Kg2 Qe7 $2 (33... Bd7 34. Bc2 Be8) 34. Qf6 Qxf6 35. exf6 {[%mdl 4096] Endgame KB-KB} Bd7 36. Kf3 Kf8 37. Kf4 e5+ 38. Kxe5 Bg4 39. Kd6 Bf3 40. Kd7 Be4 41. Bd1 Bd5 42. a3 (42. Bg4 $142 Kg8 43. a3) 42... a6 43. Bg4 {White mates.} Be4 44. Kd8 Bd5 45. Bc8 {Accuracy: White = 78%, Black = 44%.} 1-0

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Pap, Misa"]
[Black "Radnai, Adam"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2481"]
[BlackElo "2275"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,51,1,1,45,45,57,12,25,25,76,56,85,63,184,179,169,177,199,178,177,177,189,190,235,229,232,223,379,383,362,357,383,378,870,906,895,886]} 1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. Na3 {[%cal Bb1a3,Ba3c2,Bc2e3][%mdl 32]} Nf6 6. Bc4 {B22: Sicilian: 2 c3} Qd8 7. O-O a6 8. Nc2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} (8... Bg4 9. d4 e6 10. h3 Bxf3 11. Qxf3 Rc8 {1-0 (39) Nakamura,H (2776)-Yu,Y (2724) Caleta 2015}) 9. Be2 {LiveBook: 3 Games} Bf5 $146 ({Predecessor:} 9... e6 10. d4 Bb7 11. Be3 Nd5 12. dxc5 Nxe3 13. Qxd8+ Rxd8 14. fxe3 Bxc5 15. b4 Bb6 {½-½ (15) Zelbel,P (2445)-Landa,K (2597) Vlissingen 2016}) 10. d4 {Strongly threatening Ne3.} e6 11. a4 b4 $1 12. Ne3 Bg6 (12... Be4 $11) 13. Ne5 (13. a5 $5) 13... Qc7 14. Bf3 Be4 (14... Nxe5 $14 15. Bxa8 Nd3) 15. Bxe4 $18 Nxe4 16. Qf3 Nxe5 17. Qxe4 {[%mdl 64] [#] Double Attack} Nc6 18. d5 Qe5 19. Qf3 exd5 20. Nxd5 Rd8 21. Nb6 $40 {[%mdl 128] Black is in trouble.} Qe6 $2 (21... Qf6 22. Bf4 Be7) 22. Bf4 Be7 23. Rfe1 Qg6 {[#]} 24. Nd5 $1 Kf8 $2 (24... Rxd5 25. Qxd5 O-O) 25. Nxe7 Nxe7 26. Rad1 {Accuracy: White = 95%, Black = 25%.} 1-0

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Espinosa Aranda, Angel"]
[Black "Nguyen, Piotr"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2478"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,109,38,35,30,27,30,12,20,5,64,54,47,46,52,34,152,159,152,150,153,19,47,0,150,0,42,0,163,136,178,125,167,40,104,21,247,247,358,370,359,372,454,443,373,293,291,291,283,284,276,267,251,100,121,105,116,111,114,115,170,164,152,156,174,171,168,90,89,79,135,131,184,176,163,163,240,249,290,299,289,268,29998,29999]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 a5 {B36: Sicilian: Maroczy Bind: Gurgenidze System} 11. O-O a4 12. Bd4 Qa5 (12... Be6 13. f4 Qa5 14. Rad1 Rac8 15. b3 axb3 16. axb3 b5 17. Bxf6 Bxf6 18. Nxb5 Qxd2 19. Rxd2 Ra8 20. Nc7 Ra3 21. Nxe6 fxe6 {1-0 (58) Yu,Y (2759)-Bu,X (2718) Hangzhou 2018}) 13. Rad1 Bd7 14. Qe3 Bc6 15. Nd5 {LiveBook: 4 Games} Bxd5 16. exd5 Rfe8 17. h4 h5 $146 ({Predecessor:} 17... e5 18. dxe6 Rxe6 {½-½ (34) Borisenkov,D (2288)-Liushnin,K (2305) ICCF email 2012}) 18. a3 Nd7 (18... Rac8 $11) 19. Bxg7 $14 Kxg7 20. Bxh5 e5 (20... gxh5 $6 21. Qg5+ Kf8 22. Qh6+ (22. Qxh5 e5 $17) 22... Kg8 23. Rd3 $18) 21. Bg4 f5 {[#]} (21... Nc5 $14) 22. Bxf5 $1 $16 {[%mdl 512]} gxf5 23. Qg5+ {[%mdl 64] Double Attack} Kf7 24. Qh5+ (24. Qxf5+ $16 Nf6 25. Rd3) 24... Ke7 $11 25. Qg5+ (25. Qxf5 Kd8 $15) (25. b4 $14 Qd8 26. Qg5+ (26. Qxf5 Nf6 $11) 26... Kf7 27. Qxf5+ Nf6 28. h5) 25... Kf7 $16 26. Qh5+ (26. Qxf5+ $16 Nf6 27. Rd3) 26... Ke7 $14 27. Qg5+ (27. b4 $14 axb3 28. Qg5+ Kf7 29. Qxf5+ Nf6 30. h5) 27... Kf7 $18 28. Qxf5+ Nf6 29. Rd3 $1 $36 {[%cal Rd3f3][%mdl 3072] White has strong compensation. Black is under strong pressure.} Qd8 30. h5 ({Better is} 30. Rf3 $18 {Qh7+ is the strong threat.} Rf8 31. c5 (31. Qh7+ Ke8 $11)) 30... Rf8 {[#]} (30... Kg8 $14) 31. Rf3 (31. f4 $1 $16 {[%cal Rf4e5]} e4 32. Qe6+ Kg7 33. Rg3+ Kh8 34. Rg6) 31... Ke8 $2 (31... Kg7 $11 {and Black stays safe.}) 32. c5 {Hoping for Re1.} (32. Qe6+ Qe7 $11) 32... Qd7 (32... Qe7 {is a better defense.} 33. cxd6 Qxd6) 33. Qg6+ Ke7 34. h6 dxc5 35. h7 Qe8 {[#]} 36. d6+ $1 {[%mdl 512]} Ke6 (36... Kxd6 37. Rxf6+) 37. Qf5+ Kxd6 {[#]} 38. h8=Q $1 {[%mdl 576] Deflection} Rxh8 39. Qxf6+ Kc7 40. Qg7+ $2 (40. Rc1 $18 Ra6 41. Qg7+ (41. Rxc5+ Kb8 $18) 41... Kb8 42. Rxc5) 40... Kb6 $16 41. Rf7 (41. Rf6+ $6 Ka7 $14) 41... Ka6 {[#]} 42. Re1 $1 ({Much weaker is} 42. Rf6+ $6 b6 $11) 42... Qb5 43. Qxe5 Rae8 (43... Rad8 $16) 44. Re7 $18 Rxe7 45. Qxe7 {[%mdl 4096] Endgame KQR-KQR} b6 46. Qe5 Rd8 47. Qc7 (47. f4 $18) 47... Qd3 $16 48. g3 Qd2 ({Black should play} 48... Rh8 49. Qe7 Ka5) 49. Qe5 Ka7 (49... Qh6 $16 50. Qe2+ Ka5) 50. Re4 $18 ({Don't play} 50. Qc7+ $6 Ka6 $16) 50... Qd1+ 51. Kg2 Rd7 (51... Ka6 $142 52. Rf4 Rd7) 52. Qe6 Rd3 53. Qf7+ Ka6 54. Qc4+ Ka5 $2 (54... Kb7 $18 55. Rf4 (55. Qxa4 Qf3+ 56. Kh3 Qh1+ 57. Kg4 Qf3+ 58. Kh3 Qh1+ 59. Kg4 Qf3+ 60. Kh3 $11) 55... Rd4 56. Rf7+ Rd7 57. Rxd7+ Qxd7) 55. b4+ {Accuracy: White = 44%, Black = 46%.} 1-0

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Franco Ocampos, Zenon"]
[Black "Garcia Moreno, Carlos"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2477"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,57,7,8,18,21,12,0,18,24,35,37,24,38,46,40,61,72,162,165,156,65,66,34,62,13,12,0,0,-32,-22,-30,-35,-10,72,72,57,70,204,192,190,201]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d5 6. O-O Bd6 7. Nc3 O-O 8. b3 Nbd7 {[%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32]} 9. Bb2 c5 10. Qe2 {LiveBook: 12 Games. E14: Queen's Indian: Classical Variation (4 e3)} (10. cxd5 exd5 11. Qc2 Rc8 12. Bf5 g6 13. Bh3 Qe7 14. Rad1 a6 15. dxc5 bxc5 16. Qd3 Rcd8 17. Ne2 Ne4 18. Ng3 Ne5 19. Nxe5 Bxe5 20. Bxe5 Qxe5 21. Nxe4 Qxe4 22. Qxe4 dxe4 {1-0 (46) Wojtaszek,R (2705)-Gajewski,G (2616) Warsaw 2011}) 10... Ne4 11. cxd5 exd5 12. Rad1 {The position is equal.} Qe7 13. Ba6 {[#]} Ndf6 $146 ({Predecessor:} 13... Nxc3 14. Bxc3 Bxa6 15. Qxa6 Rfd8 16. dxc5 Nxc5 17. Qe2 Ne4 {½-½ (39) Polgar,Z (2540)-Smyslov,V (2530) Aruba 1992}) 14. Bxb7 Qxb7 15. dxc5 Bxc5 16. Nd4 Rfe8 17. Nf5 {Threatens to win with Nxe4.} Bf8 (17... Re6 $16) 18. Nxe4 $18 Nxe4 {[#]} 19. Qg4 ({White has to play} 19. Bxg7 $1 $16 Bxg7 20. Qg4) 19... Re6 $14 20. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Rg6 21. Qf3 Rc8 22. h5 Rg5 23. Nd4 (23. h6 $5 gxh6 24. Ng3 Nxg3 25. fxg3 $15) 23... Qd7 24. Rc1 Nd2 25. Qf4 Rg4 (25... h6 $11 {keeps the balance.} 26. Rxc8 Qxc8) 26. Qf5 $16 Qxf5 27. Nxf5 Rg5 {[#]} (27... Re8 $14) 28. Ne7+ $1 $18 {[%mdl 512]} Kh8 {( -> ...Nf3+)} (28... Bxe7 29. Rxc8+) 29. f4 {Precision: White = 56%, Black = 25%.} ({Don't blunder} 29. Ng6+ $2 fxg6 30. Rfd1 Rxc1 $19) 1-0

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Carlsson, Pontus"]
[Black "Marin, Mihail"]
[Result "1/2-1/2"]
[ECO "C08"]
[WhiteElo "2463"]
[BlackElo "2540"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,66,10,7,12,20,13,27,12,8,0,17,0,26,0,13,0,0,0,0,0,0,-16,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,-5,0,0,0,0,0,0,0,0,0,0,0,-2,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 cxd4 7. Nxd4 Bd7 8. N2b3 Nf6 {[%cal Bg8f6,Bf6g4,Bg4e5,Be5c4][%mdl 32]} 9. O-O Be7 {LiveBook: 3 Games} 10. c3 {C09: French Tarrasch: 3...c5 4 exd5 exd5 5 Ngf3 Nc6} (10. Bf4 O-O 11. Bd3 Nxd4 12. Nxd4 Qb6 13. Nb3 Bb5 14. c3 Rfe8 15. Re1 Bxd3 16. Qxd3 Bd6 17. Bxd6 Qxd6 {½-½ (46) Nevednichy,V (2548)-Sedina,E (2393) Saint Vincent 2004}) 10... O-O 11. Bd3 Re8 $146 ({Predecessor:} 11... Ne5 12. Bc2 Qc7 13. Bf4 Bd6 14. Bxe5 Bxe5 15. h3 Rfe8 16. Qd3 a6 17. Rfd1 Ne4 {½-½ (26) Flegl,V-Pavelka,V Svetla nad Sazavou 1994}) 12. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32] White has an edge.} h6 13. Bh4 Ng4 14. Bg3 Bf8 15. Bf5 (15. Qc2 {keeps more tension.} Nge5 16. Bh7+ Kh8 17. Bf5 Nc4 18. Rae1) 15... Nge5 {The position is equal.} 16. Qc2 Bxf5 17. Nxf5 Nc4 18. Rad1 g6 19. Nfd4 Qd7 20. Nf3 Rad8 21. Nbd4 Bg7 22. h3 a6 23. Rfe1 Rxe1+ 24. Rxe1 Re8 25. Rxe8+ Qxe8 26. b3 Na3 27. Qc1 Nb5 28. Nxb5 axb5 29. Bf4 Kh7 30. Bd2 Qe4 31. Qf1 d4 32. cxd4 Nxd4 33. Nxd4 Qxd4 {Accuracy: White = 59%, Black = 70%.} 1/2-1/2

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Barski, Radoslaw"]
[Black "Arjun Kalyan"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2458"]
[BlackElo "2395"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,48,11,20,0,-8,0,-10,0,0,0,-27,-31,-24,-17,-20,-19,-41,-54,-18,-33,-91,-74,-142,-47,-452,-399,-342,-217,-303,-79]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. a4 a6 {C50: Hungarian Defence and Giuoco Pianissimo} 7. c3 Ba7 8. Re1 O-O 9. Bg5 h6 10. Bh4 g5 11. Bg3 {LiveBook: 4 Games} g4 $146 ({Predecessor:} 11... Nh7 12. Qc1 Kg7 13. h4 {0-1 (26) Robson,R (2668)-Berczes,D (2493) New York 2017}) 12. Nh4 Nh5 13. Na3 Nxg3 14. hxg3 Qf6 15. Rf1 Ne7 16. Nc2 Ng6 17. Nxg6 Qxg6 18. Qe2 Kg7 19. d4 h5 20. Kh2 (20. Rad1 $1 $15) 20... Bd7 21. dxe5 {[#]} (21. f4 $142) 21... dxe5 ({Black should play} 21... Rh8 $1 $17 {White must now prevent ...h4.} 22. e6 fxe6) 22. Bd5 $2 {[%mdl 8192]} ({White should try} 22. Ne3 $15) 22... c6 23. Bc4 Rad8 24. Rad1 {[#]} Bc8 $2 {Accuracy: White = 20%, Black = 57%.} (24... Qg5 $1 $19 25. Rh1 Rh8) 1/2-1/2

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Morozov, Nichita"]
[Black "Bobadilla Viera, Jorge Samuel"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2437"]
[BlackElo "2274"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,30,-17,-13,-4,-21,-23,11,11,4,7,13,0,31,31,19]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 O-O 5. Bg2 d5 6. Nf3 dxc4 7. a3 Be7 8. Ne5 Nc6 {A17: English Opening: 1...Nf6 with ...Bb4} 9. Nxc6 (9. Bxc6 bxc6 10. Nxc6 Qe8 11. Nxe7+ Qxe7 12. Qa4 c5 13. dxc5 Qxc5 14. Be3 Qc7 15. Rd1 Nd5 16. Bd4 {1-0 (88) Carlsen,M (2842)-Karjakin,S (2773) Saint Louis 2018}) 9... bxc6 {LiveBook: 10 Games} 10. Qa4 Qxd4 {The position is equal.} 11. Be3 Qd8 12. Bxc6 Bd7 13. Qxc4 Bxc6 14. Qxc6 Qd7 $146 ({Predecessor:} 14... Qd6 15. Qc4 Nd5 16. Bd4 {½-½ (27) Ftacnik,L (2515)-Djuric,S (2435) New York 1986}) 15. Qxd7 Nxd7 1/2-1/2

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Tejedor Fuente, Enrique"]
[Black "Sanchez Jerez, Emilio Miguel"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2428"]
[BlackElo "2183"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,153,37,51,50,44,35,33,30,38,39,37,35,47,12,17,17,26,23,24,15,14,20,24,19,30,9,16,21,24,0,0,-32,-1,-26,-23,-16,0,0,-4,-3,0,0,-8,-18,0,-42,0,-81,0,-19,0,0,0,0,0,0,0,0,0,-85,-95,-109,0,0,0,0,89,0,0,0,0,0,0,0,0,0,0,0,232,232,239,255,193,194,240,238,199,197,224,232,225,212,485,500,479,456,648,559,1071,927,1118,1027,1788,1622,1543,1443,2312,2448,6199,1488,5485,5189,29948,3072,1747,6184,6075,6223,5077,3335,1628,1000,1218,979,5189,5273,6111,1860,1155,0,6327,6203,1919,1513,1277,1235,29985,29986,29984,29985,29987,29988,29988,29989,29989,29990]} 1. d4 e6 2. Nf3 a6 3. e4 d5 4. exd5 (4. Nbd2 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 Nc6 8. O-O g5 9. dxc5 g4 10. Nd4 Ndxe5 11. N2b3 Nxd3 12. Qxd3 e5 13. Re1 Bg7 14. Nxc6 bxc6 15. Nd4 Qf6 {½-½ (43) Sokolov,I (2625)-Bauer,C (2630) Maastricht 2017}) 4... exd5 5. Bd3 c5 6. O-O {C01: French: Exchange Variation} c4 7. Re1+ ({Much weaker is} 7. Bg5 f6 $17) 7... Be7 $1 8. Bf1 {White is slightly better.} Nc6 9. b3 cxb3 10. axb3 Nf6 11. Bd3 $146 ({Predecessor:} 11. Ne5 O-O 12. Nxc6 bxc6 13. Rxe7 Qxe7 {½-½ (44) Teran Alvarez,I (2382)-Paunovic,D (2517) Coria del Rio 2004}) 11... O-O 12. c3 Bg4 13. h3 Bh5 14. Bf4 Re8 15. Nbd2 Bd6 16. Rxe8+ Nxe8 17. Be3 Nc7 18. Qc2 Bg6 19. Re1 Qf6 20. g3 b5 21. b4 a5 22. bxa5 Rxa5 23. Nh4 Bxd3 24. Qxd3 Ra3 25. Qc2 g6 26. Ndf3 Qd8 27. Bg5 Qa8 28. Qc1 (28. Nf5 $11 Bf8 29. Ne7+ Bxe7 30. Bxe7) 28... Qa5 (28... b4 $17 29. cxb4 Bxb4) 29. Bd2 $1 $11 Qa4 30. Bf4 Bxf4 31. Qxf4 Ne6 32. Rxe6 fxe6 33. Ng5 {Threatening mate with Qf7+.} Qa7 34. Nxe6 (34. Qd6 $11 Rxc3 35. Qxe6+ Kg7 36. Kg2) 34... Qf7 $17 35. Qd6 Ra2 (35... Rxc3 $17 {Hoping for ...Rc2.} 36. Ng5 Qe7 37. Qxd5+ Kh8) 36. Nf4 $40 {[%mdl 128] Black needs to defend precisely.} g5 $1 37. Qxc6 {Qc8+ is the strong threat.} gxf4 $11 {[%mdl 4096] Endgame [#] KQR-KQN} (37... gxh4 $11 38. Qc8+ (38. Qxd5 Qxd5 39. Nxd5 hxg3 $17) 38... Kg7) 38. Qc8+ ({Better is} 38. g4 $1 $16) 38... Qf8 $1 {[%cal Rf8c8]} 39. Qg4+ Kh8 40. Qh5 {aiming for Ng6+.} Qf6 {Threatens to win with ...fxg3.} 41. Qe8+ Kg7 {Strongly threatening ...fxg3.} 42. Qd7+ Kf8 43. Qxh7 fxg3 $2 (43... Ra6 $1 $11 {and Black is okay.} 44. g4 Rc6) 44. Ng6+ $18 Ke8 45. Qg8+ Kd7 46. Qxd5+ Kc7 47. Qxa2 gxf2+ 48. Qxf2 Qxg6+ {KQ-KQ} 49. Kh2 Kb6 50. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Qd3 $2 (50... Qd6+ {might work better.} 51. Qg3 Qe7) 51. d5+ Ka6 52. Qf6+ Ka5 (52... Kb7 $142 53. Qc6+ Kb8) 53. Qe5 Qf3 {and the idea ...Qf2+ leaves Black hopeful.} 54. h5 Qf2+ 55. Kh3 Qf3+ 56. Kh4 Qf2+ 57. Kg5 Qd2+ 58. Kg6 Qc2+ 59. Kh6 (59. Kg7 $142 Qg2+ 60. Kf8) 59... Qd2+ 60. Kg7 Qg2+ 61. Kf7 (61. Kf8 $142 Qf2+ 62. Ke8 Qc5 63. h6 Qc8+ 64. Ke7 Qb7+ 65. Kd8 Qa8+ 66. Kd7) 61... Qf2+ 62. Ke8 Qc5 63. h6 Qc8+ 64. Ke7 Qb7+ 65. Kf6 Qh7 66. Qg5 {Qg7 would kill now.} Qh8+ 67. Qg7 Qd8+ 68. Qe7 (68. Ke5 $142 Qb6 69. d6 Qc5+ 70. Ke6 Qe3+ 71. Kd7) 68... Qh8+ 69. Qg7 (69. Kg5 $142 Qxc3 70. h7 Qd2+ 71. Kf6 Qh6+ 72. Kf5 Qh3+ 73. Ke5 Qg3+ 74. Ke6 Qe3+ 75. Kf7 Qf4+ 76. Ke8) 69... Qd8+ 70. Ke5 {[%cal Rg7a7]} Qb6 71. h7 Qe3+ {[#]} 72. Kf5 $1 {Intending Qc7+ and mate.} Qh3+ 73. Ke4 {[%cal Rg7a7] White mates.} Qh4+ 74. Ke5 {[%cal Rg7a7]} Qh2+ 75. Ke6 {[%cal Rg7a7]} Qh3+ 76. Kd6 {[%cal Rg7a7]} Qh2+ 77. Kc6 {Precision: White = 62%, Black = 51%.} 1-0

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Sabuk, Piotr"]
[Black "Bagi, Mate"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2395"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,44,42,42,35,33,37,35,56,54,56,61,51,54,54,31,33,33,23,30,40,31,43,44,77,70,44,29,9,0,67,0,27,0,49]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 (5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6 8. Be2 e5 9. d5 Nd4 10. Nxd4 exd4 11. Qxd4 c6 12. Qc4 b5 13. Qxc6 Bd7 14. Qd6 Re8 15. Bg5 b4 16. Qxb4 Nxd5 17. Nxd5 Qxg5 {½-½ (33) Vidit,S (2711)-Vachier Lagrave,M (2780) chess.com INT 2018}) 5... h6 6. Bf4 {D90: Grünfeld: 4 Nf3 Bg7 sidelines} c6 7. e3 {LiveBook: 3 Games} O-O 8. Qb3 {White is slightly better.} dxc4 $146 ({Predecessor:} 8... a5 9. cxd5 a4 10. Nxa4 Nxd5 11. Bxb8 Qa5+ 12. Nc3 Be6 {1-0 (37) Vidit,S (2565)-Cori Tello,J (2549) Kocaeli 2013}) 9. Bxc4 {And now Bxb8 would win.} b5 10. Bd3 Be6 11. Qc2 Nbd7 12. O-O Rc8 13. Rac1 Qb6 14. b4 a5 15. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} axb4 16. axb4 Ra8 17. e4 Ra3 18. Rfe1 Rfa8 19. Nb1 R3a6 20. Nc3 (20. Qd2 $11) 20... Ra3 $14 21. Nb1 R3a6 22. Nc3 Ra3 {Accuracy: White = 50%, Black = 92%.} 1/2-1/2

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Suarez Uriel, Adrian"]
[Black "Xu, Yi"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2391"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,100,0,8,0,0,0,0,0,0,0,0,-16,-6,-102,-99,-87,-68,-210,-195,-189,-189,-335,-97,-91,-95,-97,-89,-87,-98,-94,-92,-98,-98,-98,-97,-97,-91,-90,-89,-100,-95,-153,-169,-152,-159,-165,-152,-237,-229,-393,-124,-117,-122,-133,-102,-124,-106,-167,-139,-176,-162,-213,-222,-183,-145,-154,-152,-188,-186,-316,-271,-347,-325,-375,-359,-352,-304,-676,-667,-678,-668,-650,-631,-2002,-1253,-2750,-2138,-1538,-1482]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 Be7 7. f4 O-O {LiveBook: 3 Games. B45: Sicilian Four Knights} (7... d6 8. Be2 O-O 9. O-O e5 10. Nb3 a5 11. f5 a4 12. Nd2 d5 13. Nxd5 Nxd5 14. exd5 Qxd5 15. Bd3 {1-0 (25) Steinberg,N (2524)-Meribanov,V (2386) St Petersburg 2017}) 8. Nf3 d5 9. e5 Nd7 {The position is equal.} 10. Be3 a6 $146 ({Predecessor:} 10... f6 11. exf6 Nxf6 12. g3 Kh8 13. Bg2 Bd7 14. Nd4 Nxd4 15. Bxd4 Qc7 16. O-O Bc5 {1-0 (28) Zabiak,J-Nagy,S Hungary 1997}) 11. Bd3 f6 12. exf6 Bxf6 13. Ne2 (13. Bf2 $11) 13... e5 14. fxe5 Ndxe5 15. Nxe5 (15. O-O $1 $15) 15... Bxe5 $19 16. c3 Bg4 17. Qd2 (17. Qb3 {keeps fighting.} Bc7 18. O-O-O) 17... Bxe2 $2 (17... Na5 $1 $19 {[%cal Ra5b3]} 18. Qc2 Qh4+ 19. Kd1 Rae8) 18. Qxe2 $17 Qh4+ 19. Bf2 Qh6 $1 20. Be3 Bf4 $1 {[%cal Rf4e3]} 21. Bxf4 Rxf4 22. Rf1 Rxf1+ ({Of course not} 22... Qxh2 $6 23. Qe6+ Kh8 24. O-O-O $11) 23. Kxf1 Qxh2 24. Qe6+ Kh8 25. Qh3 Rf8+ 26. Ke2 Qe5+ 27. Kd1 {[#]} (27. Qe3 $142) 27... g6 $1 {[%mdl 512]} 28. Rc1 (28. Bxg6 Rf1+) 28... d4 29. c4 Qg5 30. Rc2 (30. Kc2 $17) 30... Ne5 $19 {aiming for ...Ng4.} 31. Re2 $2 (31. Rd2) 31... Ng4 $2 (31... Rf1+ $19 {is more deadly.} 32. Kc2 Qc1+ 33. Kb3 Qd1+ {[%mdl 64] Double Attack} 34. Ka2 Nxd3 35. Qc8+ Kg7 36. Qd7+ Kf6 37. Qxd4+ Kg5 38. Qe3+ Nf4) 32. Kc2 $17 Ne3+ 33. Kb1 Qf6 34. Rd2 Kg7 $36 {[%mdl 2048] Black has strong initiative.} 35. Be2 (35. g4 $17) 35... Rf7 {White must now prevent ...Qf2.} 36. Ka2 Qf4 37. g3 {[#]} (37. Rd3 $142) 37... Qe5 $1 $19 38. Bd3 h5 39. Qh4 Qf6 40. Qxf6+ Kxf6 $17 {[%mdl 4096] Endgame KRB-KRN} ({Don't play} 40... Rxf6 41. c5 $17) 41. Be4 (41. c5 $142) 41... Re7 $19 ({Stronger than} 41... Nxc4 42. Rf2+ Ke5 43. Rxf7 $15) 42. Bf3 Ke5 (42... Nxc4 $2 43. Rxd4 b5 44. b3 $17) 43. c5 Rf7 44. Bh1 g5 {[%cal Bg6g5,Bg5g4,Bg4g3][%mdl 32]} 45. b4 $2 (45. Rd3) 45... g4 {Black is clearly winning.} 46. Kb3 {[#]} h4 $1 {[%mdl 512]} 47. gxh4 g3 48. h5 {Now h6 and White clings on.} Rf2 49. Rb2 d3 {[%cal Bd4d3,Bd3d2][%mdl 32]} 50. h6 d2 {Accuracy: White = 33%, Black = 75%.} 0-1

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Gines Esteo, Pedro Antonio"]
[Black "Del Rio De Angelis, Salvador G."]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2318"]
[BlackElo "2501"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,94,48,63,45,50,32,36,21,22,25,50,39,38,29,34,26,45,45,51,47,40,65,64,60,84,63,53,47,42,5,37,32,60,56,53,8,67,83,80,43,81,87,129,125,120,111,127,106,111,131,99,37,27,33,18,10,36,21,83,78,116,85,271,261,238,199,568,577,693,702,685,688,645,645,725,695,723,715,974,951,1871]} 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 c6 5. e4 e5 6. Be2 a6 7. O-O Be7 8. Be3 {A55: Old Indian Defence with Nf3 and e4} (8. Qc2 b5 9. c5 Qc7 10. cxd6 Bxd6 11. h3 O-O 12. Bg5 Re8 13. dxe5 Nxe5 14. Bxf6 gxf6 15. Nd4 b4 {0-1 (57) Loiseau,Q (2402)-Del Rio de Angelis,S (2525) Escaldes 2018}) 8... b5 {LiveBook: 12 Games} 9. Qc2 b4 10. Nb1 {White is slightly better.} O-O $146 ({Predecessor:} 10... c5 11. d5 a5 12. Ne1 Nf8 13. Nd2 Ng6 {½-½ (13) Karolyi,T (2390)-Portisch,F (2390) Hungary 1991}) 11. h3 c5 12. d5 $1 g6 13. Bh6 Re8 14. Nbd2 Nh5 15. g3 Ndf6 16. Kg2 Ng7 17. a3 bxa3 18. Rxa3 Kh8 19. Ne1 Qd7 20. Rh1 Ng8 21. Be3 f5 22. exf5 gxf5 23. Nd3 Nf6 24. f4 Qc7 25. Qc3 {[%cal Rf4e5]} Nd7 (25... Bb7 $11 26. Nf2 (26. fxe5 Bxd5+ 27. Nf3 Ne4 $17) 26... Bd8) 26. fxe5 $14 dxe5 27. Rf1 Bd6 28. Qa5 Ra7 29. Qxc7 Rxc7 30. Ra5 Bb7 31. g4 e4 32. Nf4 Be5 33. Rb1 (33. Nb3 $16) 33... Bd4 34. Nf1 fxg4 35. hxg4 {[%cal Bh3g4,Bg4h5][%mdl 32]} Rf8 {[#] And now ...Bxe3 would win.} 36. Kg3 {[%cal Bg2g3,Bg3f2,Bf2e3][%mdl 32]} Be5 (36... Rg8 $11 {keeps the balance.}) 37. Nd2 $16 Nb6 38. b4 Nh5+ $2 ({Not} 38... Rcf7 $2 39. bxc5 Nc8 40. Rf1 $18 (40. Nxe4 Rxf4 41. Bxf4 Rxf4 $16)) (38... cxb4 $16 39. Rxb4 Nc8) 39. gxh5 $18 Rg7+ {[#]} 40. Kf2 $1 Bxf4 $2 (40... Bd4) 41. Bxf4 {White is clearly winning.} e3+ 42. Kxe3 Re7+ 43. Kd3 Rxf4 44. bxc5 Nxc4 45. Nxc4 Bxd5 46. Nd6 Kg7 47. Rxa6 Rh4 {Accuracy: White = 59%, Black = 43%.} 1-0

[Event "XXX Roquetas de Mar Open 2019"]
[Site "Roquetas de Mar"]
[Date "2019.01.06"]
[Round "8"]
[White "Garcia Martin, Marta"]
[Black "Gascon Del Nogal, Jose Rafael"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2296"]
[BlackElo "2486"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.01.02"]
[EventType "swiss"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,78,43,47,50,53,50,48,39,57,57,118,118,124,118,247,246,226,96,184,160,155,140,119,114,123,125,148,162,175,195,222,135,139,99,141,138,161,161,161,161,206,150,150,150,150,150,150,150,150,130,133,124,129,128,135,132,150,125,118,118,150,150,150,150,150,150,150]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 e6 5. Bb3 b6 (5... Ne7 6. O-O O-O 7. Re1 Nd7 8. c3 a6 9. Nbd2 b5 10. Nf1 c5 11. Ng3 Bb7 12. Bf4 e5 13. Be3 exd4 14. cxd4 {0-1 (40) Grandelius,N (2653)-Dubov,D (2677) Germany 2017}) 6. O-O {B06: Modern Defence} Ne7 7. Re1 Bb7 {LiveBook: 14 Games} 8. c4 {White is slightly better.} O-O 9. Nc3 Nd7 10. Bc2 $146 ({Predecessor:} 10. Be3 h6 11. Qe2 Kh7 12. Rad1 a6 13. a4 {1-0 (36) Conquest,S (2519)-Ansell,S (2410) Sheffield 2011}) 10... a6 11. d5 Bxc3 (11... Ne5 $14) 12. bxc3 $16 e5 13. Bh6 Re8 (13... a5 $16 14. Rb1 (14. Bxf8 Qxf8 15. Nd2 h5 $16) 14... Nc5 15. Bxf8 Qxf8) 14. Ng5 $1 $18 Nc8 15. Ba4 ({Don't do} 15. Qf3 $6 f6 $16) (15. Rf1 $18) 15... f6 {[#]} (15... b5 $16 {was worth a try.} 16. cxb5 a5) 16. Qg4 $1 ({Don't take} 16. Ne6 Rxe6 17. dxe6 Nc5 $16) 16... Nc5 17. Bxe8 Qxe8 18. Nf3 Ne7 19. Nd2 g5 {[#]} 20. h4 $1 {[%cal Bh2h4,Bh4g5][%mdl 32]} Qg6 21. hxg5 Kh8 22. Re3 Rg8 {Threatening ...Qxh6.} 23. Rg3 {gxf6! is the strong threat.} f5 24. Qf3 f4 25. Rh3 Bc8 26. Rh4 Qe8 27. Qe2 Ng6 28. Rh2 Qa4 29. Qd1 Qxd1+ 30. Rxd1 a5 31. f3 Ba6 32. Rc1 Rb8 33. Rb1 Na4 34. Rb3 Kg8 35. Kf2 {[%cal Bg1f2,Bf2e2,Be2d1,Bd1c2][%mdl 32]} Nc5 36. Rb1 Kf7 37. Ke2 {White is clearly better.} Rg8 38. Kd1 Ne7 39. Kc2 Ng6 {Precision: White = 58%, Black = 52%.} 1/2-1/2

