[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.08"]
[Round "1"]
[White "Burmakin, Vladimir"]
[Black "Martinez Fernandez, Adrian"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "2520"]
[BlackElo "2081"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,71,38,41,35,25,32,18,59,64,64,51,109,32,53,47,50,60,51,36,32,32,100,103,107,105,101,98,112,114,116,100,130,129,132,132,184,182,197,190,193,175,215,193,215,210,277,275,278,266,367,367,365,354,483,239,605,607,741,730]} 1. d4 Nf6 2. g3 d5 3. Nf3 e6 4. Bg2 Be7 5. c4 dxc4 6. Qa4+ Nbd7 7. Qxc4 O-O 8. O-O {LiveBook: 61 Games} c5 {E02: Open Catalan: 5 Qa4+} (8... a6 9. Qc2 c5 10. Nc3 cxd4 11. Nxd4 Qa5 12. h3 Ne5 13. Ne4 Rd8 14. Nb3 Qa4 15. Bg5 Qc4 16. Rac1 Qxc2 17. Rxc2 Bd7 18. Nec5 Rac8 19. Bxb7 Rc7 20. Bxa6 Ra8 21. Rfc1 Nc6 22. Nxd7 Rxa6 23. Ne5 {1-0 (23) Fridman,D (2596)-Llobel Cortell,E (2399) Tallinn 2016}) 9. Qc2 cxd4 10. Nxd4 Bc5 $146 {The position is equal.} ({Predecessor:} 10... Qb6 11. Rd1 Nc5 12. Nc3 Bd7 13. e4 Ng4 14. Qe2 Ne5 15. Be3 {1-0 (58) Espig,L (2470)-Herrera,I (2295) Holguin 1989}) 11. Nb3 Bb6 12. Nc3 Nc5 (12... Qc7 $14) 13. Bg5 (13. Nxc5 $16 Bxc5 14. Bg5) 13... Nxb3 $14 14. Qxb3 h6 15. Rad1 Qe7 16. Bxf6 Qxf6 17. Na4 $36 {[%mdl 2048] White is more active.} e5 ({Black should play} 17... Bc7 $14) 18. Nxb6 $16 Qxb6 19. Qxb6 axb6 20. a3 Be6 21. Bxb7 Rad8 22. Ba6 f5 23. f3 Bb3 24. Rd3 Bc2 (24... Rxd3 $16 {was necessary.} 25. Bxd3 Bd5 26. Bxf5 Rxf5) 25. Rc3 $18 Rd2 26. Rc1 Ba4 27. b3 Be8 28. Re3 e4 29. fxe4 f4 30. gxf4 Rxf4 31. Rc8 Rg4+ 32. Kf2 Kf7 33. Rb8 Rg6 34. Rb7+ (34. e5 $142) 34... Kg8 $2 {[#]} (34... Rd7 35. Rb8 Ra7) 35. Bc4+ Kh7 36. Rb8 {Precision: White = 77%, Black = 36%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.08"]
[Round "1"]
[White "Strikovic, Aleksa"]
[Black "Cinza Lopez, Javier"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2500"]
[BlackElo "2048"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,122,22,0,0,-4,-2,-3,22,18,9,28,50,43,70,43,41,40,40,40,50,40,80,61,68,64,77,70,83,78,100,68,97,83,61,82,83,70,75,80,57,76,68,68,89,81,85,102,90,66,83,94,100,-79,-72,-336,-333,-329,-324,-318,-244,-354,-323,-522,-492,-587,-600,-552,-453,-566,-549,-496,-493,-493,-496,-497,-475,-783,-785,-663,-489,-488,-488,-487,-474,-474,-478,-453,-460,-492,-477,-526,-519,-573,-570,-568,-559,-552,-511,-560,-560,-560,-544,-29968,-29969,-29967,-29964,-29938,-5539,-29981,-29981,-29970,-12229]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Bf5 5. d3 Nbd7 6. Nbd2 e5 7. Re1 (7. e4 $5 dxe4 8. Nxe4 $11) 7... Bc5 {White must now prevent ...Bxf2+! A07: Réti Opening: New York and Capablanca Systems} (7... Be7 8. e4 dxe4 9. dxe4 Bg4 10. h3 Bh5 11. b3 O-O 12. Bb2 Qc7 13. Qc1 Rfe8 14. Bc3 b5 15. a4 {1-0 (36) Martynov,R (2310)-Tleptsok,R (2187) Moscow 2017}) 8. e4 dxe4 9. dxe4 Bg6 {The position is equal.} (9... Be6 $5 {[%cal Rf6g4]}) 10. Nh4 Bh5 11. Bf3 $146 ({Predecessor:} 11. Ndf3 Ng4 12. Rf1 Qb6 13. Qe2 O-O-O 14. h3 Nh6 15. c3 {1-0 (82) Muhtarov,L (2013)-Evsyukov,A (1909) Voronezh 2016}) 11... Bg6 12. Nc4 Qc7 13. Bd2 (13. a4 {seems wilder.} O-O 14. Qe2 a5 15. Bd2 Rfd8 16. Red1) 13... O-O 14. b4 Be7 15. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Rfd8 16. Qe2 Bf8 17. c3 a6 18. a5 c5 19. Rec1 Rac8 20. Nxg6 hxg6 21. Be3 Qb8 22. Rcb1 cxb4 23. cxb4 Rc6 24. b5 axb5 25. Rxb5 {aiming for a6!} Qc7 26. Nb6 Rc2 27. Qe1 Nc5 {[%cal Bd7c5,Bc5d3,Bd3b4][%mdl 32]} 28. Nd5 Nxd5 29. exd5 e4 30. Qd1 Rc3 $1 {[#]} 31. Be2 $1 Nd3 32. Bd4 $2 {[#]} (32. Rab1 $16 {stays on course.}) 32... Qc4 $1 $36 {[%csl LRb5,LRd4,LRd5][%cal Rc4d4][%mdl 2048] Black has strong initiative.} 33. Qa4 $2 {[%mdl 8192]} (33. Bxc3 $17 Qxb5 34. Bd4) 33... Rc1+ $19 34. Bf1 {[#]} Rxf1+ $1 {[%mdl 512]} 35. Kxf1 (35. Rxf1 Qxa4) 35... Nb4+ 36. Kg1 (36. Kg2 $142 Qxd4 37. Rb1) 36... Qxd4 37. Rd1 $2 (37. Re1 {was worth a try.}) 37... Qc3 38. Qa1 Qf3 39. Qd4 Nd3 40. Rf1 Rc8 41. Qe3 {intending Qxf3.} Qf5 42. Qe2 Qd7 43. Rfb1 Bc5 44. Qxe4 (44. Rxc5 $142 Rxc5 45. a6 bxa6 46. Qxe4 Qxd5 47. Rb8+ Kh7 48. Qxd5 Rxd5 49. h4) 44... Nxf2 45. Qf3 Ne4+ 46. Kg2 Nd2 (46... Ng5 $2 47. Qd3 $19) 47. Rxb7 Qxb7 48. Rxb7 Nxf3 49. Kxf3 {[%mdl 4096] Endgame White hopes to continue with a6. KRB-KR} Ra8 50. Rb5 Bd6 51. Ke4 Kf8 52. Kd4 Ke8 53. Kc4 Kd7 54. Kb3 Rb8 55. Ka4 g5 56. a6 {If only White now had time for a7....} Kc7 57. Rxb8 Kxb8 58. Kb5 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 59. Kc6 Be5 (59... f4 $142 60. Kxd6 f3 61. Ke5 f2 62. Kf5 f1=Q+ 63. Kxg5 Qxa6 64. Kf5 Qf6+ 65. Ke4 Kc7 66. Kd3 Qf2 67. Ke4 Kd6 68. g4 Qxh2 69. Ke3 g5 70. Ke4 Qf2 71. Kd3 Kxd5 72. Kc3 Qd4+ 73. Kb3 Qd2 74. Ka4 Qb2 75. Ka5 Kc5 76. Ka6 Qb6#) 60. Kd7 f4 61. Ke6 Bc7 {Precision: White = 50%, Black = 79%.} (61... Bf6 $142 62. gxf4 gxf4 63. h3 f3 64. h4 Bxh4 65. Kf5 f2 66. a7+ Kxa7 67. Ke6 f1=Q 68. Ke5 Kb6 69. d6 Kc5 70. Ke6 Qf6+ 71. Kd7 Qxd6+ 72. Kc8 Qb6 73. Kd7 Qc6#) 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.08"]
[Round "1"]
[White "Oratovsky, Michael"]
[Black "Estefano Rivola, Fernando"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2494"]
[BlackElo "2041"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,47,-27,39,29,37,24,43,36,44,43,43,37,44,45,38,29,52,39,50,57,54,39,83,92,98,79,149,116,367,139,529,99,110,100,219,215,220,222,775,773]} 1. e4 c5 2. Nf3 e6 3. g3 Nf6 (3... Nc6 4. Bg2 d5 5. exd5 exd5 6. O-O Nf6 7. d4 Be7 8. dxc5 O-O 9. Nbd2 Bxc5 10. Nb3 Bb6 11. c3 Ne4 12. Be3 Bxe3 13. fxe3 {½-½ (50) Tomashevsky,E (2716)-Najer,E (2679) Doha 2016}) 4. Bg2 d6 5. O-O Nc6 ({Black should play} 5... Nxe4 $11 6. Re1 Nf6) 6. Re1 {B40: Sicilian: 2...e6, Unusual lines} Be7 7. d4 cxd4 8. Nxd4 {White is slightly better.} Bd7 9. c4 O-O 10. Nc3 a6 11. Nxc6 $146 ({Find the theoretical novelty and annotate with similar games:} 11. b3 Rc8 12. Bb2 Qa5 13. Nxc6 Bxc6 {½-½ (20) Spasov,V (2544)-Radovanovic,N (2415) Kragujevac 2015}) 11... Bxc6 12. a4 Qc7 13. a5 b6 14. axb6 Qxb6 {[#]} 15. Nd5 $1 {[%mdl 512]} Bxd5 (15... exd5 16. exd5) 16. exd5 e5 17. Qc2 Rac8 (17... Rab8 $142) 18. Be3 Qb5 $2 {[%mdl 8192] [#]} (18... Qb4 $16) 19. Rec1 $2 (19. cxb5 $18 {and the rest is easy.} Rxc2 20. bxa6) 19... Ng4 $2 {[%mdl 8192]} (19... Qb7 $16 {is tougher.} 20. c5 Ng4) 20. Bd2 $2 (20. cxb5 $18 Rxc2 21. Rxc2 Nxe3 22. fxe3 axb5 23. Rc7) 20... Qb6 $16 21. Ba5 $36 {[%mdl 2048] Black is under strong pressure.} Qd4 (21... Qa7 $16 {was worth a try.}) 22. h3 $18 Nh6 23. Bd2 f5 $2 (23... Rxc4 24. Qxc4 Qxd2) 24. Be3 {Precision: White = 58%, Black = 23%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.08"]
[Round "1"]
[White "Firat, Burak"]
[Black "Leira Patricio, Julio"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2482"]
[BlackElo "2035"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,75,41,30,34,34,36,2,32,23,39,24,37,19,47,-6,2,0,76,89,90,90,88,41,92,92,91,83,90,90,90,83,114,114,145,119,119,129,122,118,144,140,128,102,115,101,122,111,257,249,235,219,325,295,678,668,645,419,487,484,548,384,644,626]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 O-O 5. O-O d6 6. a4 Nc6 7. a5 Rb8 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} (7... a6 8. d5 Nb4 9. e4 Nxe4 10. c3 Nxd5 11. Qxd5 Nc5 12. Qd1 e5 13. Bg5 Qe8 14. Nbd2 e4 15. Nd4 {1-0 (62) Kovalenko,I (2700)-Bachmann,A (2593) Berlin 2015}) 8. d5 {LiveBook: 4 Games} Nb4 9. c3 Na6 {White is slightly better.} 10. c4 $146 ({Predecessor:} 10. Nd4 Bg4 11. h3 Bd7 12. e4 Qc8 13. Kh2 c5 14. Nc2 c4 15. Be3 {½-½ (39) Turova,I (2394)-Bosboom,M (2455) Haarlem 2010}) 10... e5 11. Nc3 c5 12. Ne1 Nb4 13. Bd2 b6 14. Nb5 (14. axb6 $14 Qxb6 15. e4) 14... a6 $11 15. Na7 {Black must now prevent Bxb4.} Qc7 (15... Bb7 $11 {remains equal.}) 16. Nxc8 $16 Rfxc8 17. axb6 Rxb6 18. Bc3 Rcb8 (18... e4 $14) 19. e4 Qc8 20. Qe2 Ne8 21. Nf3 {[%cal Be1f3,Bf3g1,Bg1f3][%mdl 32]} R6b7 22. Kh1 Bf6 23. Ng1 Bd8 24. Bh3 Qc7 25. f4 Bf6 26. Nf3 $36 {[%mdl 2048] White has strong initiative.} a5 27. fxe5 dxe5 28. Rf2 Bg7 29. b3 h6 30. Qe3 f6 (30... Nd6 $16 31. Kg1 (31. Bxe5 Bxe5 32. Nxe5 Qe7 $16) (31. Nxe5 $2 Qe7 $19) 31... Re8) 31. Be6+ Kh7 32. h4 {[%cal Bh2h4,Bh4g5][%mdl 32]} Ra7 (32... Rb6 {was worth a try.} 33. g4 (33. Rxa5 Rxe6 34. Rxc5 Qa7 $16) 33... Rxe6) 33. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} Qe7 $2 {[#]} (33... Ra6 34. g5 Rxe6) 34. g5 $18 Nc7 35. Bh3 fxg5 36. hxg5 Rf8 37. Bg4 Ncxd5 $2 {[#]} (37... h5 38. Bxb4 Na6 39. Bxh5 (39. Rxa5 Nxb4 40. d6 Qb7 $16) (39. Bxa5 hxg4 40. Nh2 Rxf2 $18) (39. d6 Qxd6 40. Rd2 Qc6 $16) 39... Nxb4) 38. cxd5 {Precision: White = 48%, Black = 16%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.08"]
[Round "1"]
[White "Porto Fuentes, Oscar"]
[Black "Yuffa, Daniil"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2066"]
[BlackElo "2515"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,86,8,6,1,6,0,0,0,0,0,-9,-12,-16,-18,-2,-3,-7,-27,-27,-38,-28,-41,-26,-34,-31,-45,-39,-46,-35,-129,-129,-137,-136,-174,-180,-158,-95,-110,-91,-110,-97,-87,-100,-190,-188,-191,-164,-175,-163,-170,-138,-198,-198,-191,-173,-224,-199,-285,-182,-165,-158,-252,-244,-246,-242,-242,-239,-359,-351,-434,-232,-440,-437,-422,-385,-5235,-2702]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O c5 6. Nbd2 Nc6 7. b3 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} (7. c3 d5 8. Re1 Be7 9. dxc5 bxc5 10. e4 Qc7 11. exd5 exd5 12. Nf1 O-O 13. Bg5 Rfe8 14. Ne3 d4 15. Nf5 dxc3 16. Nxe7+ Nxe7 17. Bxf6 gxf6 18. bxc3 {½-½ (44) Morovic Fernandez,I (2527)-Bachmann,A (2646) Buenos Aires 2017}) 7... Rc8 8. c4 cxd4 $146 ({Predecessor:} 8... d5 9. Bb2 Be7 10. Qe2 O-O 11. Rfd1 Re8 12. Rac1 cxd4 13. Nxd4 Nxd4 14. Bxd4 Ba3 {1-0 (50) Martinez,J-Beretta,H Buenos Aires 1947}) 9. Nxd4 {The position is equal.} Nxd4 10. exd4 d5 11. Nf3 dxc4 12. Bxc4 Be7 13. Bb5+ Bc6 14. Bxc6+ Rxc6 15. Bf4 O-O (15... Nd5 $5 {[%cal Rd5f4]} 16. Rc1 Rxc1 17. Bxc1 O-O $15) 16. Rc1 Qd5 17. Rxc6 Qxc6 18. Qc1 Qb7 $36 {[%mdl 2048] Black fights for an advantage.} 19. Qb1 Nd5 {[%cal Bf6d5,Bd5c3,Bc3e2][%mdl 32]} 20. Be5 (20. Bd2 $15) 20... Rc8 $17 21. a4 Qa6 22. h3 Nc3 23. Qa1 Bb4 ({Black should try} 23... f6 24. Bg3 Qd3) 24. Kh2 f6 25. Bg3 Ne2 26. Rd1 Qb7 27. Qb2 (27. Ng1 $17 Bc3 28. Qa2 Nxd4 29. Ne2) 27... Qe4 $19 28. Qb1 Nxg3 29. fxg3 Qxb1 30. Rxb1 {[%mdl 4096] Endgame KRB-KRN} Bd6 31. Re1 (31. Nd2 $17 {was necessary.}) 31... Kf7 32. Re3 Ke7 33. Rd3 (33. Nd2 {is the only way for White.}) 33... Rc1 34. Ng1 (34. h4 {is a better defense.}) 34... e5 35. dxe5 fxe5 {[%cal Bf6e5,Be5e4][%mdl 32]} 36. Ne2 {[#]} (36. Nf3 $17 {keeps fighting.}) 36... Re1 $1 {[%cal Re1e2]} 37. Nc3 Ke6 38. Nb5 {[#]} Bc5 $1 39. g4 (39. h4 $142) 39... e4 40. Rd8 g5 (40... Bg1+ $142 41. Kg3 g5 42. Nd4+ Ke7) 41. Kg3 $2 (41. Nd4+ {might work better.} Kf7 42. b4 Bxb4 43. Rd7+ Kf6 44. Nc2) 41... Bg1 {[%cal Re1e3]} 42. Nd4+ Ke7 ({Stronger than} 42... Bxd4 43. Rxd4 a5 44. Kf2 $15) 43. Nc2 $2 (43. Rd5 Re3+ 44. Nf3 exf3 45. gxf3) 43... Rb1 {Precision: White = 23%, Black = 63%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.08"]
[Round "1"]
[White "Vicient Calvo, Ramon"]
[Black "Petkov, Vladimir"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2048"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,52,28,33,0,36,15,35,35,59,46,62,57,48,52,51,2,5,12,37,47,80,14,20,25,22,9,18,-17,0,-516,-473,-813,-774]} 1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 Bg7 5. c4 f5 6. Nc3 O-O 7. g3 d6 8. Nge2 Nd7 9. Bg2 c6 10. O-O Re8 11. b4 Nf6 12. Nf4 {A45: Trompowsky Attack} Ne4 13. Qd3 {[%cal Rc3e4]} Qe7 14. Rab1 $146 {White is slightly better.} a6 15. a4 Bd7 16. Rfc1 g5 17. Nfe2 h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 18. b5 axb5 19. axb5 h4 20. bxc6 Bxc6 21. d5 (21. gxh4 $16 gxh4 22. Bxe4 fxe4 23. Qd1) 21... Nc5 22. Qxf5 Bd7 23. Qc2 h3 (23... Bxc3 $5 24. Nxc3 (24. Qxc3 Ra2 $16) 24... h3 $16) 24. Bh1 Ra3 (24... Bxc3 $5 25. Nxc3 (25. Qxc3 Bf5 $11) 25... Qe5 $11) 25. Nb5 $2 {[%mdl 8192]} (25. Ra1 $11 Ba4 26. Qf5) 25... Bxb5 $19 26. Rxb5 {[#]} (26. cxb5 $142 Rxe3 27. fxe3 Qxe3+ 28. Kf1) 26... Rxe3 $1 {[%mdl 512] Precision: White = 42%, Black = 29%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.08"]
[Round "1"]
[White "Lopez de Turiso, Jose Angel"]
[Black "Pap, Misa"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2035"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,88,68,39,53,30,32,43,35,21,29,-1,29,31,31,-18,17,20,20,25,31,-16,-25,-25,-25,-25,-26,-25,-28,-80,-89,-105,-88,-101,-86,-123,-114,-106,-58,-52,-54,-62,-27,-26,0,0,0,-13,-34,-28,0,0,0,0,0,0,0,-13,-16,-930,-256,-361,-372,-812,-783,-1393,-761,-793,-391,-29992,-29993,-29990,-1397,-29991,-29992,-29997,-29998]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 d6 5. d4 Be7 6. d5 {A28: English Opening: Four Knights Variation} (6. h3 O-O 7. d5 Nb8 8. g4 a5 9. e4 Na6 10. Be3 b6 11. Be2 Kh8 12. Qc2 Ng8 13. O-O-O g6 {1-0 (74) Lubbe,N (2506)-Degtiarev,E (2411) Germany 2016}) 6... Nb8 7. e4 O-O 8. Be2 {LiveBook: 4 Games. White is slightly better.} Na6 9. O-O Nc5 10. Qc2 a5 11. Be3 b6 12. Nd2 Ne8 $146 ({Predecessor:} 12... Nfd7 13. Nb5 Bf6 14. b3 {½-½ (51) Zavadil,M (2124)-Novotny,J (2130) Czechia 2012}) 13. a3 f5 14. f3 a4 (14... f4 $5 {[%cal Rf4e3]} 15. Bf2 Nd7 $11) 15. Bxc5 bxc5 16. exf5 Bg5 17. Nd1 Bxf5 18. Bd3 Bxd3 19. Qxd3 Bxd2 20. Qxd2 Qh4 21. Rc1 (21. Qe2 $11) 21... Qd4+ $17 22. Qf2 Rb8 23. Re1 Nf6 {[%cal Be8f6,Bf6d7,Bd7b6][%mdl 32]} 24. Rc2 Rb3 25. Kh1 Nd7 26. Qe2 $1 Nb6 27. Nf2 $1 Qh4 28. Ne4 Nd7 29. Nc3 Rf6 30. Nxa4 (30. g3 $5 {[%cal Rg3h4]} Qh5 31. Kg2 $11) 30... Rh6 {[%csl Gh6][%cal Rh4h2]} 31. h3 Rxf3 32. Qxf3 Qxe1+ 33. Kh2 Rf6 34. Qe2 $1 {[%cal Re2e1]} Qa1 $36 {[%mdl 2048] Black has the initiative.} 35. Nc3 (35. Qg4 $5 {[%cal Rg4d7]} Nf8 36. Nc3 $11) 35... Rf1 36. Nb5 $2 {[%mdl 8192] [#]} (36. Ne4 $11) 36... Rh1+ $2 (36... h5 $1 {[%mdl 512]} 37. Kg3 (37. Qxh5 Qe1) 37... Nf6 38. Nxd6 cxd6) 37. Kg3 $19 Nf6 {And now ...Qg1 would win.} 38. Rc3 $2 (38. Nc3 Qg1 39. Kf3) 38... Re1 39. Qc2 Ne4+ 40. Kh4 Rf1 (40... Nxc3 $142 41. Nxc3 Rf1) 41. Re3 $2 {[#]} (41. Qxe4 $19 Rf4+ 42. Qxf4 exf4 43. Kg4) 41... Rf4+ 42. g4 g5+ 43. Kh5 Qf1 44. Rxe4 Qxh3+ {Precision: White = 38%, Black = 67%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.08"]
[Round "1"]
[White "Lopez de Turiso, Jose Angel"]
[Black "Pap, Misa"]
[Result "*"]
[WhiteElo "2035"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,10,48,60]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 d6 5. d4 Be7 {LiveBook: 38 Games} {Predecessor:} 6. h3 $146 O-O 7. d5 Nb8 8. g4 a5 9. e4 Na6 10. Be3 b6 11. Be2 Kh8 12. Qc2 Ng8 13. O-O-O g6 {1-0 (74) Lubbe,N (2506)-Degtiarev,E (2411) Germany 2016} *

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.08"]
[Round "1"]
[White "Fernandez Lopez, Ruben"]
[Black "Pena Gomez, Manuel"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2030"]
[BlackElo "2468"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,10,41,-7,-6,-8,-22,-20,-17,-4,-7,-13,-3,-34,-24,-10,-15,-43,-37,-34,-33,-35,-40,-86,-85,-87,-85,-92,-91,-81,-90,-88,-91,-94,-79,26,-87,-100,-104,-104,-110,-127,-129,-385,-384,-379,-379,-383,-383,-558,-555,-558,-556,-600,-591,-582,-561,-1517,-1259]} 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Nde2 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} (6. Ndb5 $5 {[%cal Rb5c7]} Qb8 7. Be2 $14) (6. Be3 a6 7. Qd2 Nf6 8. O-O-O Be7 9. f4 b5 10. e5 b4 11. exf6 bxc3 12. Qxc3 Bxf6 13. g4 h6 14. h4 Bb7 15. Rh2 Rc8 16. Qd2 Nxd4 17. Bxd4 Bxd4 18. Qxd4 {½-½ (49) Jakovenko,D (2703)-Inarkiev,E (2707) Geneve 2017}) 6... Nf6 7. g3 b5 $146 ({Predecessor:} 7... a6 8. Bg2 b5 9. Bf4 d6 10. O-O Bb7 11. Qd2 Be7 12. a4 bxa4 13. Rxa4 O-O {1-0 (43) Richter,A-Marxen,P (2225) Gluecksburg 1988}) 8. a3 {The position is equal.} Rb8 9. Bg2 Be7 10. O-O O-O 11. h3 a5 12. Bf4 d6 13. Qd3 Ba6 14. a4 {[%cal Rc3b5]} Nb4 15. Qd2 bxa4 16. Rfd1 {[%cal Rf4d6]} Nd7 {[%cal Bf6d7,Bd7b6,Bb6c4][%mdl 32]} 17. Bxd6 Bxd6 18. Qxd6 Qxd6 19. Rxd6 Nb6 20. Nd4 Nc4 $1 $36 {[%csl LRb2,LRd6][%mdl 2048] Keeping White busy.} 21. Rd7 Rfd8 22. Rxd8+ Rxd8 23. Nf3 Nxb2 24. Nxa4 Nxc2 25. Ra2 Nxa4 26. Rxa4 $2 {[%mdl 8192]} (26. Rxc2 $17 {is a better defense.} h6 27. Ra2) 26... Rd1+ $19 27. Kh2 {[#]} Ra1 $1 {[%cal Ra1a4]} 28. Rxa1 Nxa1 {KBN-KBN} 29. Nd4 (29. Nd2 $142 a4 30. Nb1) 29... a4 {[%cal Ba5a4,Ba4a3,Ba3a2][%mdl 32] Black is clearly winning.} 30. e5 a3 31. Be4 a2 {...Bc4 is the strong threat.} 32. Bc2 Bc4 {Hoping for ...Nb3!} 33. Kg2 {[#]} Nb3 $1 {[%mdl 512] Precision: White = 59%, Black = 96%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.09"]
[Round "2"]
[White "Yuffa, Daniil"]
[Black "Rodriguez Lopez, Rafael"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2515"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,119,40,39,17,25,17,20,20,26,29,24,-4,-7,-34,-13,-15,-8,-17,-7,-1,-5,-24,-20,-116,-111,-124,77,-97,-97,-93,-110,-102,-103,-92,13,13,33,31,51,-20,26,36,28,23,36,18,18,18,19,19,35,35,47,55,38,41,83,83,83,83,115,36,36,36,40,36,40,0,0,0,36,36,36,36,36,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Bg5 {E04: Open Catalan: 5 Nf3} Be7 8. e3 Nd5 9. Bxe7 Ncxe7 {LiveBook: 6 Games} 10. Nfd2 $146 ({Find the theoretical novelty and annotate with similar games:} 10. Ne5 b5 11. b3 cxb3 12. axb3 Bb7 13. Nd2 O-O 14. Qc1 a5 {½-½ (33) Bokar,J (2580)-Kribben,M (2651) ICCF email 2012}) 10... b5 $1 11. b3 cxb3 12. Nxb3 c6 13. N1d2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 14. Rc1 O-O 15. Rc5 a4 16. Nc1 Ba6 17. Re1 Qb6 18. Nd3 Rfd8 19. Qh5 Nf6 $36 {[%mdl 2048] Black has the initiative.} 20. Qh4 (20. Qd1 $11) 20... b4 $17 21. Ne5 {next Ne4 is good for White.} Rac8 $2 (21... b3 $1 $17 {stays on course. Threatens to win with ...Qb4.} 22. Ne4 Ned5 23. axb3 axb3) 22. Rb1 $2 (22. Ne4 $16 Ned5 23. Ng5) 22... Ng6 $1 {[%cal Rg6h4]} 23. Nxg6 hxg6 24. Nc4 {[#]} Bxc4 $1 25. Rxc4 c5 (25... b3 $17 26. Rxa4 b2) 26. dxc5 $11 Rxc5 {aiming for ...g5.} 27. Rbxb4 Qa5 28. Bf3 (28. Rxc5 $14 Qxc5 29. Rxa4) 28... g5 29. Rxc5 Qxc5 30. Qc4 Qf5 31. Be4 (31. Bg4 $5 {[%cal Rg4f5]} Qe5 32. Rxa4 $14) 31... Nxe4 32. Qxe4 Qxe4 33. Rxe4 {[%mdl 4096] Endgame KR-KR} a3 34. Ra4 Rd3 35. Kf1 Rc3 36. Ke1 Rc2 37. Rxa3 g4 38. Ra4 f5 {[#]} 39. Ra8+ ({White should try} 39. e4 $1 $16) 39... Kf7 $14 40. a4 {[%cal Ba2a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Ra2 41. a5 (41. e4 $5) 41... Kf6 42. a6 (42. e4 $5) 42... Ke5 43. Kf1 Ra1+ 44. Kg2 Ra2 45. a7 g5 {[%cal Bg7g5,Bg5g4][%mdl 32]} 46. h4 gxh3+ $1 {The position is equal.} 47. Kxh3 g4+ 48. Kh4 Ra1 49. Kg5 Ra2 50. Kg6 Ra6 51. Kh5 Ra1 52. Kg5 Ra2 53. Kh5 (53. e4 $5 Kxe4 54. Kf6 $11) 53... Ra4 54. Kh4 Ra1 55. Kg5 Ra2 56. Kg6 (56. e4 $5 Kxe4 57. Re8 Rxa7 58. Rxe6+ Kf3 59. Kxf5 $11) 56... Ra6 57. Kf7 Ra2 58. Kg7 Ra1 59. Kh6 Ra2 60. Kg6 {Precision: White = 45%, Black = 63%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.09"]
[Round "2"]
[White "Petkov, Vladimir"]
[Black "Calzetta Ruiz, Monica"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2498"]
[BlackElo "2288"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,106,-51,-37,-49,-41,-58,-8,-37,-17,-21,-10,0,14,10,26,11,27,31,46,20,12,-32,-31,-34,-31,-28,-33,-39,-22,-20,0,0,0,0,0,-462,-527,-510,-504,-473,-468,-470,-426,-414,-219,-258,-112,-107,-115,-120,138,139,138,-27,-21,-18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29988]} 1. Nf3 c5 2. g3 Nc6 3. c3 (3. Bg2 g6 4. c3 Bg7 5. d4 cxd4 6. cxd4 d5 7. Nc3 e6 8. O-O Nge7 9. b3 O-O 10. Ba3 b6 11. Rc1 Ba6 12. Qd2 Qd7 13. Rfd1 Rfc8 14. Rc2 Nf5 15. e3 Bf8 16. Bxf8 Kxf8 17. Bf1 Bxf1 18. Rxf1 {½-½ (38) So,W (2815)-Giri,A (2785) chess.com INT 2017}) 3... e5 4. e4 Nf6 5. Qe2 Be7 6. Bg2 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} O-O 7. O-O Re8 8. Na3 $146 {[%cal Bb1a3,Ba3c4,Bc4e3,Be3d5][%mdl 32]} ({Find the theoretical novelty and annotate with similar games:} 8. d3 Bf8 9. c4 d6 10. h3 a6 {0-1 (40) Sorg,B (2306)-Mazi,L (2397) Austria 2001}) 8... Bf8 9. d3 h6 10. Nc4 b5 11. Ne3 b4 12. Nd2 bxc3 13. bxc3 Rb8 14. Nd5 Ba6 15. Nb3 c4 $1 {[%cal Rc4b3]} 16. dxc4 Nxd5 17. exd5 Na5 18. Nxa5 Qxa5 19. Qg4 Qxc3 20. Be3 Qxc4 21. Qxd7 Red8 22. Qxa7 $2 {[%mdl 8192]} (22. Qf5 $11 {and White has nothing to worry.}) 22... Rb7 $19 23. Rfc1 Qa4 24. Rc7 Rxa7 25. Rxa7 Qa3 26. Rc1 Qxa2 (26... Qd6 $142 27. Rb1 Rc8) 27. h4 Qe2 (27... Rd6 $19 28. Bf1 f5) 28. Bf1 $17 Qg4 29. Rxa6 Rxd5 $2 {[%mdl 8192]} (29... Kh7 $17 {keeps the pressure on.} 30. Kh2 f5) 30. Ra8 $16 Qb4 {[#]} 31. Bc4 $2 (31. Bg2 $1 $16 {[%cal Rg2d5]} Ra5 32. Rd8) 31... Ra5 32. Rc8 {The position is equal.} g5 33. hxg5 hxg5 34. Bxg5 Rc5 35. Be7 $1 Qd2 36. Rxf8+ Kg7 $1 37. Rxf7+ Kg6 $1 38. Rf6+ Kg7 39. Rf7+ (39. Kh2 $5 {[%cal Re7c5]} Qxc1 40. Rf7+ Kg6 41. Rf6+ Kg7 42. Rf7+ Kg6 43. Rf6+ Kh7 44. Rf7+ Kg6 $11) 39... Kg6 $1 40. Rf6+ Kg7 41. Rf7+ Kg6 $1 42. Bd3+ (42. Rf1 {is more complex.} Rxc4 43. Rf6+ Kh7 44. Rf7+ Kg6) 42... Kxf7 43. Rxc5 Qe1+ 44. Bf1 Kxe7 $11 {[%mdl 4096] Endgame KQ-KRB} 45. Rc2 Kf6 46. Re2 Qb1 47. Re3 Qd1 48. Kg2 Qd5+ 49. Rf3+ Kg5 50. Be2 Qe4 51. Bd3 Qd5 {[#] Strongly threatening ...e4.} 52. Be2 Qe4 53. Bd3 Qf4 $2 {[%mdl 40960] Precision: White = 54%, Black = 56%. . An unexpected result.} (53... Qc6 $11 54. Be2 Qe4) 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.09"]
[Round "2"]
[White "Pap, Misa"]
[Black "Garcia Carbo, Marcial"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2491"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,77,48,0,22,15,60,33,31,31,38,16,41,23,10,8,26,16,18,0,57,31,54,45,45,46,167,148,168,150,153,137,279,298,290,295,282,280,294,319,307,278,371,363,434,436,610,663,650,602,762,754,822,803,793,800,945,925,938,889,988,970,922,946]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} e6 2. d4 d5 3. Nd2 c5 4. c3 Nf6 5. e5 Nfd7 6. f4 Nc6 7. Ndf3 Qb6 8. a3 a5 9. b3 {LiveBook: 61 Games. C05: French Tarrasch: 3...Nf6 4 e5 Nfd7, 5 f4 and 5 Bd3 sidelines} Qc7 10. Be3 cxd4 $146 ({Predecessor:} 10... b6 11. Ne2 Ba6 12. h4 b5 13. f5 cxd4 14. cxd4 exf5 15. Nc3 Qb7 16. Nxd5 Ne7 17. Nxe7 Bxe7 {1-0 (39) Howell,D (2624)-Michiels,B (2462) Antwerp 2009}) 11. cxd4 {White is slightly better.} Nb6 12. a4 Bd7 13. Kf2 Rc8 14. Rc1 {[%cal Ba1c1,Bc1c2,Bc2a2][%mdl 32]} Ba3 15. Rc2 Qd8 16. Ne2 O-O 17. h4 Qe7 (17... f5 $11) 18. Ra2 Rc7 19. g4 Rfc8 20. Qb1 {And now Ng5 would win.} Bb4 (20... f6 $14) 21. Ng5 $18 f5 22. gxf5 exf5 23. Ng3 $40 {[%mdl 128] White has strong attack.} Bc3 (23... Rf8 $16 {was worth a try.}) 24. Nxf5 Bxf5 25. Qxf5 g6 26. Qe6+ Qxe6 27. Nxe6 Re7 28. Bh3 Nb4 29. Re2 Nd3+ 30. Kg3 {White is clearly winning.} h6 31. Rd1 Nb2 32. Rb1 Rce8 33. Nc5 {[%cal Be6c5,Bc5d7,Bd7f6][%mdl 32]} Nc8 34. Rc1 Bb4 35. Nd7 Nd6 36. Nf6+ Kf7 37. Nxe8 Ne4+ 38. Kf3 Nd3 39. Rd1 {Precision: White = 58%, Black = 32%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.09"]
[Round "2"]
[White "Pena Gomez, Manuel"]
[Black "Garcia Sobrino, David"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2468"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,75,8,45,40,54,33,27,22,31,-28,-11,-11,-4,-22,13,9,7,5,10,9,35,47,65,67,72,62,84,47,41,73,84,91,84,84,81,77,82,71,79,0,0,0,0,0,151,145,155,139,145,156,155,106,125,132,319,335,531,500,488,316,307,286,536,566]} 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 Be7 7. e4 Qc7 {LiveBook: 6 Games. A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} (7... O-O 8. Be2 d5 9. exd5 exd5 10. O-O Nxd4 11. Qxd4 dxc4 12. Qxd8 Rxd8 13. Bxc4 Bf5 14. Re1 Kf8 15. h3 Rac8 16. Ba2 Bc5 17. Bb1 Bxb1 18. Rxb1 {0-1 (48) Edouard,R (2626)-Vachier Lagrave,M (2803) chess.com INT 2017}) 8. Be2 b6 9. f4 $146 ({Predecessor:} 9. Be3 Bb7 10. Rc1 Qb8 11. O-O O-O 12. f4 Rd8 13. Kh1 Nxd4 14. Qxd4 d5 15. exd5 exd5 {½-½ (42) Clement Gomez,J (2357)-Edouard,R (2447) Andorra 2007}) 9... Nxd4 {White is slightly better.} 10. Qxd4 Bb7 11. Nb5 (11. Qd3 $14) 11... Qb8 12. Bf3 O-O 13. Qd3 d5 (13... a6 $5 {[%cal Ra6b5]} 14. Nc3 d6 $11) 14. cxd5 exd5 15. e5 $1 {[%cal Re5f6]} Ne4 16. O-O Bc5+ 17. Be3 a5 18. Rfe1 Rd8 19. Bxc5 bxc5 20. Bxe4 dxe4 21. Qc2 Ba6 22. Nd6 Bd3 23. Qxc5 {And now b4 would win.} Qxb2 24. Rad1 a4 25. Qc7 Rf8 26. Nf5 ({Of course not} 26. Nxe4 Bxe4 27. Rxe4 Qxa3 $15) (26. Qc1 $16 Qb3 27. h3 (27. Nxe4 Bxe4 28. Rxe4 Rfc8 $14)) 26... Rab8 $11 27. Qe7 h6 28. Qh4 {[#] aiming for Qg3.} Rb6 $2 ({Black should try} 28... Kh7 $11) 29. Qg3 $16 {[%csl Gf5][%cal Rg3g7]} Rg6 30. Ne7+ $40 {[%mdl 128] White has strong attack.} Kh7 31. Nxg6 fxg6 32. Re3 Rc8 33. h4 Rc3 $2 (33... Qxa3 $16 34. Rxe4 Qc5+ 35. Re3 Bf5) 34. h5 $1 $18 {[%cal Rh5g6]} gxh5 (34... Qb6 $142 35. hxg6+ Qxg6 36. Qxg6+ Kxg6) 35. f5 {[%cal Bf4f5,Bf5f6][%mdl 32]} Qb6 36. Kh2 {[#] Black must now prevent e6.} h4 37. Qf4 Rc2 $2 (37... g5 38. fxg6+ Qxg6 39. Qxh4 Rc7) 38. f6 {Precision: White = 61%, Black = 44%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.09"]
[Round "2"]
[White "Ambartsumova, Karina"]
[Black "Burmakin, Vladimir"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2325"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,75,34,34,47,35,51,52,48,50,66,47,49,17,24,29,43,22,32,17,23,15,14,17,16,16,24,8,11,13,24,0,62,66,60,47,63,47,52,55,61,54,65,64,69,92,87,72,98,62,59,44,69,0,57,0,72,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Bf4 Bg7 7. Nf3 Nf6 8. Nbd2 Nh5 9. Be3 Qd6 10. O-O O-O 11. Re1 {LiveBook: 15 Games. B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} b6 12. a4 $146 ({Find the theoretical novelty and annotate with similar games:} 12. Rc1 Bb7 13. a3 Rad8 14. Qa4 Rfe8 15. Ba6 Bxa6 16. Qxa6 {0-1 (28) Kozak,A (2303)-Moiseenko,V (2548) Sochi 2017}) 12... Bb7 13. Nb3 {White is slightly better.} a5 14. Nbd2 Nf4 15. Bb5 Ne6 16. Nf1 Ba6 17. Bxa6 Rxa6 18. Qd3 Ra7 19. N1d2 {[%cal Bf1d2,Bd2b1,Bb1a3][%mdl 32]} Rb7 20. Nb1 Na7 21. Na3 Qd7 22. Qc2 Rc8 23. Ra2 Nc7 24. Bf4 Ne8 25. Ne5 Qf5 (25... Bxe5 $11 26. Bxe5 (26. Rxe5 Nc6 $19) (26. dxe5 Ng7 $11) 26... Nc6) 26. Qxf5 $14 gxf5 27. Nd3 e6 28. h3 Nf6 29. f3 h5 30. Kf2 Kh7 31. Rh1 Kg8 32. Raa1 Kf8 33. h4 Ke7 34. Rae1 Nd7 35. Bg5+ Kd6 36. Bf4+ Ke7 37. Bg5+ Kd6 $1 38. Bf4+ {Precision: White = 40%, Black = 55%.} ({White should play} 38. Rb1 $16) 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.09"]
[Round "2"]
[White "Cabezas Ayala, Ivan"]
[Black "Oratovsky, Michael"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2300"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,106,36,44,73,50,71,20,31,21,16,15,18,18,27,5,0,-17,24,-21,-22,-22,-14,-33,-26,-46,-12,-20,-13,-20,0,-79,-70,-87,-85,-116,-115,-123,-117,-119,-119,-141,-136,-146,-147,-166,-156,-156,-159,-154,-147,-172,0,0,0,-150,-149,-269,-266,-318,-318,-332,-318,-330,-301,-271,-300,-266,-294,-243,-270,-290,-275,-279,-267,-305,-310,-317,-337,-631,-456,-477,-476,-771,-761,-741,-733,-856,-838,-29992,-29993,-29993,-29994]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 6. Bd3 d6 7. O-O Nf6 8. a4 b4 9. Na2 e5 {B42: Sicilian: Kan Variation: 5 Bd3} 10. Nf3 Nc6 11. c3 (11. Bd2 $16) 11... bxc3 $1 $11 {The position is equal.} 12. Nxc3 Be7 13. Bc4 $146 ({Predecessor:} 13. Bg5 Be6 14. Qe2 Nb4 15. Bc4 Qc8 16. Bxe6 Qxe6 17. Rfd1 {1-0 (26) Wang,H (2729)-Svidler,P (2753) Dubai 2014}) 13... O-O 14. Bg5 Be6 15. Bxe6 fxe6 16. Qb3 (16. b4 $5) 16... Qc8 17. Rac1 (17. Nd5 $5) 17... Rb8 18. Qd1 {Threatening Nd5!} Qd7 $36 {[%mdl 2048] White is under pressure.} (18... Rxb2 $6 {[#]} 19. Nd5 $1 $14 {[%mdl 512]}) 19. Qd3 Nb4 20. Qd2 Qe8 21. Bxf6 Rxf6 22. Ne1 Qh5 23. Qd1 (23. Nc2 $11 {keeps the balance.} Rh6 24. h3) 23... Qxd1 $17 24. Rxd1 Rff8 25. Nf3 Nc6 26. Rd2 Rb4 27. Ne1 Rfb8 28. Nd3 Rd4 29. Rfd1 Bg5 30. Rc2 Rc4 {And now ...Nd4 would win.} 31. Re2 Nd4 32. Ree1 Rb3 33. Kf1 Nc2 34. Re2 Nd4 35. Ree1 Bd8 36. f4 (36. Rc1 $17 {was worth a try.}) 36... exf4 $19 37. Nxf4 Rxb2 38. Nce2 Ba5 39. Rb1 Rxb1 40. Rxb1 Nxe2 ({Less strong is} 40... Rxa4 41. Nxd4 Rxd4 42. Nxe6 $17) 41. Kxe2 Rxe4+ {[%mdl 4096] Endgame KRB-KRN} ({Don't do} 41... Rxa4 42. Kf3 $19) 42. Kf3 d5 43. Rb7 Bd2 44. Nh5 Bc3 ({Weaker is} 44... Rxa4 45. Rxg7+ Kf8 46. Rxh7 $17) 45. a5 Bd4 46. Rb8+ Kf7 47. Ra8 $2 (47. Rb7+ Kg6 48. g4) 47... g6 48. Ng3 Re3+ 49. Kg4 (49. Kf2 $142) 49... h5+ 50. Kg5 Re5+ 51. Kh4 Bf2 {Hoping for ...Re4+.} 52. Rxa6 Re4+ 53. Kh3 {[#]} g5 $1 {[%mdl 512] Precision: White = 34%, Black = 82%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.09"]
[Round "2"]
[White "Garcia Trobat, Francisco"]
[Black "Firat, Burak"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2282"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,-8,0,-7,0,0,10,-5,36,-10,-12,-25,-14,-6,-20,-9,52,-29,-32,-43,-36,-57,-47,-77,-57,-88,-64,-120,-56,-53,-70,-59,-51,-60,-40,-43,-29,-38,0,0,0,0,0,0,0,0,48,0,0,-177,-179,-227,0,0,0,-125,-135,-133,-121,-347,-341,-340,-329,-318,-246,-401,-265,-320,-334,-481,-461,-492,-480,-1186,-1185,-3228,-3210]} 1. d4 Nf6 2. Bf4 d5 3. e3 g6 4. Nc3 Bg7 5. h4 c6 6. Qd2 {D00: 1 d4 d5: Unusual lines} (6. Nf3 Bg4 7. Be2 Nbd7 8. Ne5 Bxe2 9. Qxe2 h5 10. O-O-O Qa5 11. Kb1 {1-0 (44) Karjakin,S (2781)-Giri,A (2771) Stavanger 2017}) 6... b5 $146 ({Find the theoretical novelty and annotate with similar games:} 6... Nbd7 7. Nf3 Ng4 8. e4 dxe4 9. Nxe4 Ndf6 10. Nxf6+ Nxf6 11. Bc4 {0-1 (37) Saurabh,K (2207)-Sai,K (2339) Mumbai 2017}) 7. Nf3 h5 8. Be2 {The position is equal.} Ng4 9. Ne5 Nxe5 10. Bxe5 Bxe5 11. dxe5 Nd7 12. O-O-O Nb6 (12... e6 $11) 13. e4 (13. Qd4 $1 $14) 13... b4 $11 14. Nb1 a5 15. exd5 cxd5 16. Bb5+ Kf8 17. Qd4 Bf5 18. e6 (18. Bd3 $15) 18... f6 ({Black should play} 18... Rh7 $1 $17 19. exf7 Qc7) 19. Bd3 $15 Bxe6 20. Bxg6 Qd6 21. Rhe1 Rc8 22. Nd2 Rg8 23. Qd3 Bd7 24. Kb1 Qf4 25. g3 (25. Bxh5 Bf5 $17) 25... Qg4 26. Bh7 Rg7 27. Qe3 Na4 28. f3 Qxg3 29. Qh6 $2 (29. Bd3 $1 $11) 29... f5 $1 $19 30. Qxh5 Qf4 $2 ({Weaker is} 30... Nxb2 31. Kxb2 Qd6 32. Kb1 $16) ({Black should try} 30... Qd6 $1 $19 {[%cal Rd6f6] Threatens to win with ...Qf6.} 31. f4 (31. Bxf5 Qf6 $11) 31... Nc3+ $1 {[%mdl 512]} 32. bxc3 bxc3 33. Bxf5 (33. Nb3 $2 {gets mated.} Qa3 34. Qe8+ Bxe8 35. Bxf5 Qb2#) 33... Qa3) 31. Bg6 $11 {And now Nb3 would win.} Rc6 $1 $40 {[%cal Rc6g6][%mdl 128] Black has some attack.} 32. Nc4 (32. Qh8+ $11 Rg8 33. Qh7) 32... Rcxg6 $17 33. Ne5 {[#]} Be8 $1 {[%cal Bd7e8,Be8f7,Bf7g6][%mdl 32]} 34. Nd3 $2 {[#]} (34. Nxg6+ $17 Bxg6 35. Qh8+ Rg8 36. Qe5 Qxe5 37. Rxe5) 34... Qd6 $1 $19 35. Qh8+ Rg8 36. Qd4 Bf7 37. Re5 $2 (37. Qa7) 37... e6 38. h5 Rh6 39. Nf4 (39. c4 $142) 39... Qb6 {Black is clearly winning.} 40. Ng6+ Bxg6 41. Qf4 (41. Qxb6 $142 Nxb6 42. Rxe6) 41... Rxh5 42. Rxe6 Qxe6 {Precision: White = 36%, Black = 51%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.09"]
[Round "2"]
[White "Padeiro, Jose"]
[Black "Huerga Leache, Mikel"]
[Result "*"]
[ECO "D92"]
[WhiteElo "2255"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,29,-4,-6,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. Rc1 O-O 6. Nf3 dxc4 7. e3 Be6 8. Ng5 Bd5 9. e4 h6 10. exd5 hxg5 11. Bxg5 {The position is equal.} Nxd5 {D92: Grünfeld: 4 Nf3 Bg7 5 Bf4} 12. Bxc4 Nb6 13. Bb3 Qxd4 14. Qxd4 Bxd4 15. Nb5 {[#]} {Predecessor:} Bxb2 $146 16. Rxc7 Nc6 17. Rxb7 Rab8 18. Rxb8 Rxb8 19. O-O {½-½ (43) L'Ami,E (2606)-Bok,B (2613) playchess.com INT 2016} *

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.09"]
[Round "2"]
[White "Padeiro, Jose"]
[Black "Huerga Leache, Mikel"]
[Result "1-0"]
[ECO "D92"]
[WhiteElo "2255"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,65,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,54,29,30,22,31,-3,3,0,0,-14,-14,-15,0,-13,80,80,80,70,77,77,86,85,77,51,118,109,125,121,109,126]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. Rc1 O-O 6. Nf3 dxc4 7. e3 Be6 8. Ng5 Bd5 9. e4 h6 10. exd5 hxg5 11. Bxg5 Nxd5 {D92: Grünfeld: 4 Nf3 Bg7 5 Bf4} 12. Bxc4 Nb6 13. Bb3 Qxd4 {The position is equal.} (13... Nc6 14. Ne2 a5 15. a4 Rc8 16. O-O Nxd4 17. Nxd4 Qxd4 18. Bxe7 Rfe8 19. Bc5 Qxd1 20. Rfxd1 Bxb2 21. Rc2 Bf6 22. g3 {½-½ (30) Prohaszka,P (2607)-Ragger,M (2688) Austria 2016}) 14. Qxd4 Bxd4 15. Nb5 Bxb2 16. Rc2 Be5 $1 {...Nc6 is the strong threat.} 17. Nxc7 Bxc7 $146 ({Predecessor:} 17... Nc6 18. Nxa8 Rxa8 19. Be3 {1-0 (33) Moen,O (2231)-Kirkebo,C (2181) Oslo 2007}) 18. Rxc7 N8d7 ({Black should play} 18... e6 $11) 19. Rxb7 e6 20. Rc7 $36 {[%mdl 2048] Black is under pressure.} a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 21. Be3 Rfc8 (21... a4 $5 {[%cal Ra4b3]} 22. Bd1 Rfd8 $11) 22. Rxc8+ Rxc8 23. O-O a4 24. Bd1 Rc3 25. Bf3 Nc4 (25... Rc2 $11 {remains equal.}) 26. Rc1 $16 Rxc1+ 27. Bxc1 {[%mdl 4096] Endgame KBB-KNN} Kg7 28. Bc6 Ndb6 29. Kf1 Kf6 30. Ke2 Ke7 (30... Nd5 $14) 31. h4 {White is better.} Kd6 32. Be8 Ke7 33. Bb5 {Precision: White = 58%, Black = 43%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "3"]
[White "Oratovsky, Michael"]
[Black "Recuna Aranda, Miguel"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2494"]
[BlackElo "1741"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,69,28,21,33,-7,28,28,31,32,32,31,25,29,51,28,41,34,53,32,56,34,58,49,71,49,31,43,77,77,73,54,63,53,124,69,178,181,166,152,317,292,360,355,567,568,568,560,554,554,537,402,393,410,815,784,812,817]} 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 d6 5. c3 Nc6 6. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} O-O 7. h3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (7. b4 Bb6 8. a4 a5 9. b5 Ne7 10. Bb3 c6 11. O-O Ng6 12. Nc4 Bc7 13. Re1 Re8 14. Bg5 h6 15. b6 Bb8 16. Bxf6 Qxf6 17. Rb1 Ra6 18. g3 Be6 19. Ncd2 d5 20. exd5 cxd5 {½-½ (32) Anand,V (2779)-Topalov,V (2760) Saint Louis 2016}) 7... Bb6 8. Bb3 {LiveBook: 26 Games} a6 9. Nf1 {White is slightly better.} Ne7 10. Ng3 Ng6 11. O-O h6 12. d4 $146 ({Find the theoretical novelty and annotate with similar games:} 12. Re1 Re8 13. a4 Be6 14. Bc2 d5 {0-1 (37) Janda,P (2116)-Cmiko,J (2027) Czechia 2013}) 12... Re8 13. Re1 Bd7 14. Be3 exd4 15. Bxd4 Bxd4 16. cxd4 {[%cal Bc3d4,Bd4d5][%mdl 32]} Bc6 {[%cal Rc6e4]} 17. d5 Bb5 18. Nd4 Ne5 19. f4 Ng6 $1 20. Qf3 $36 {[%mdl 2048] White has some pressure.} c6 21. dxc6 Bxc6 22. Nxc6 bxc6 23. Rad1 d5 {[#]} (23... Qc7 $14) 24. Kh2 (24. e5 $1 $16) 24... Qa5 (24... Rb8 $14) 25. e5 $18 Nd7 26. Nh5 Rac8 $2 (26... Nf6 $16 {was worth a try.}) 27. Qg3 Qb4 {[#]} 28. e6 $1 {[%mdl 512]} Ndf8 (28... Rxe6 $142 29. Rxe6 fxe6 30. Qxg6 Qe7) 29. exf7+ Kxf7 30. f5 {aiming for Rxd5!} Qb8 31. fxg6+ Nxg6 32. Bc2 Qxg3+ 33. Nxg3 ({Don't take} 33. Kxg3 Nf8 $18) 33... Rb8 (33... Rxe1 $142 34. Rxe1 Ne7) 34. Rxe8 Rxe8 35. Rf1+ {Precision: White = 68%, Black = 32%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "3"]
[White "Firat, Burak"]
[Black "Bouzas Bello, Rafael"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2482"]
[BlackElo "1621"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,55,27,66,66,84,78,96,77,79,20,17,13,32,19,36,28,33,55,264,231,419,425,522,516,759,797,764,764,980,976,1017,1021,1030,922,917,910,949,941,1480,902]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O Nc6 5. d4 e6 6. c4 Be7 7. cxd5 Nxd5 8. dxc5 Bxc5 9. Qc2 Bb6 {LiveBook: 6 Games. E06: Closed Catalan: Early deviations} (9... Qe7 10. Nc3 Nxc3 11. Qxc3 O-O 12. Bf4 f6 13. Rac1 Bb6 14. Be3 Bxe3 15. Qxe3 e5 16. Nd2 Nd4 17. Nb3 Nxb3 18. Qxb3+ Be6 19. Qa4 Rfd8 {½-½ (47) Ponomariov,R (2699)-Lu,S (2638) Danzhou 2017}) 10. Na3 $146 ({Predecessor:} 10. Rd1 Qe7 11. e4 Nf6 12. h3 h6 13. Nc3 O-O 14. Na4 Bc7 15. Be3 Rd8 16. Rxd8+ Qxd8 17. Rd1 {1-0 (46) Arsovic,Z (2441)-Andrijevic,M (2370) Senta 2006}) 10... O-O 11. Nc4 Nd4 {White is better.} 12. Nxd4 Bxd4 13. e3 ({Better is} 13. Rd1 $16 Qf6 14. Bf4 $1 {[%mdl 512]}) 13... Bf6 $11 14. Bd2 Bd7 15. Rac1 $36 {[%mdl 2048] White has the initiative.} Rc8 {And now ...b5 would win.} 16. Qb3 Bc6 17. Rfd1 b6 $2 {[#]} (17... Qd7 $14) 18. e4 $1 $18 Ne7 $2 (18... Qd7) 19. Bf4 Qe8 {Threatening ...Ba4.White is clearly winning.} 20. Nd6 Qd7 21. Nxc8 Qxc8 22. e5 Bxe5 23. Bxe5 Qb7 24. Bxc6 Nxc6 {[#]} 25. Bxg7 $1 Kxg7 26. Qc3+ Kg8 27. Qxc6 Qb8 28. Qc7 {Precision: White = 82%, Black =  2%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "3"]
[White "Estremera Panos, Sergio"]
[Black "Avelino, Camila Biscaya"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "2362"]
[BlackElo "1615"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,43,13,40,40,45,41,41,47,38,30,54,48,55,49,77,68,80,81,64,70,498,499,1658,1647,1643,1610,1577,1576]} 1. d4 d5 2. c4 Nf6 3. Nf3 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 c6 7. Qc2 Nbd7 8. Rd1 Re8 9. a3 Qa5 10. Bd3 {D61: Queen's Gambit Declined: Classical: 7 Qc2} dxc4 11. Bxc4 h6 (11... Nd5 12. Bxe7 Rxe7 13. Rd3 Nxc3 14. Rxc3 Qh5 15. O-O e5 16. e4 exd4 17. Nxd4 Nf6 {1-0 (34) Papin,V (2569)-Kotenko,P (2399) Armavir 2011}) 12. Bxf6 {White is slightly better.} Nxf6 13. O-O Bd6 $146 ({Predecessor:} 13... b5 14. Bd3 Bb7 15. Ne5 a6 16. Ne4 Nxe4 17. Bxe4 Bd6 {1-0 (45) Vodyasov,E (2231)-Geshelin,Y (2079) Wisla 2007}) 14. e4 {[#] e5 is the strong threat.} e5 15. Qb3 Qc7 16. dxe5 Bxe5 17. Nxe5 Rxe5 18. f4 $36 {[%mdl 2048] White has the initiative.} Rh5 $2 {[%mdl 8192] [#]} (18... Re7 $14) 19. Bxf7+ $1 $18 {[%mdl 512] White is clearly winning.} Qxf7 (19... Kh7 $142 20. Bxh5 Nxh5) 20. Rd8+ Kh7 21. Qxf7 Be6 22. Qxe6 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "3"]
[White "Sanchez Aller, Fernando"]
[Black "Iglesias Gonzalez, Sabela"]
[Result "1-0"]
[ECO "E95"]
[WhiteElo "2337"]
[BlackElo "1591"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,37,36,41,36,38,64,54,61,59,449,454,441,446,497,418,729,714,832,825]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. Re1 Re8 9. Bf1 exd4 10. Nxd4 Nc5 11. f3 $1 {LiveBook: 59 Games} Nfd7 {E95: King's Indian: Classical: 7...Nbd7 8 Re1} 12. Be3 a6 13. Qd2 Ne6 $146 {White is slightly better.} ({Predecessor:} 13... Ne5 14. Bg5 f6 15. Bh4 Ne6 16. Rad1 Nxd4 17. Qxd4 Be6 18. c5 g5 19. Bf2 dxc5 20. Qxc5 {1-0 (52) Kiseleva,A (1998)-Belkina,Y (1847) St Petersburg 2015}) 14. Rad1 Qh4 $2 {[%mdl 8192] [#]} (14... Ne5 $14) 15. Nxe6 $1 $18 fxe6 16. Bg5 Qh5 17. g4 Bd4+ (17... Ne5 $142) 18. Kg2 (18. Qxd4 Qxg5 19. h3 Ne5 $11) 18... Bxc3 19. bxc3 ({Weaker is} 19. gxh5 Bxd2 20. Rxd2 (20. Bxd2 gxh5 21. f4 b6 $11) 20... b6 $14) 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "3"]
[White "Juarros Ruiz, Victor"]
[Black "Pap, Misa"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "1708"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,18,19,-20,-20,-22,-14,-19,-8,-57,-52,-49,-50,-52,-39,-56,-47,-52,-47,-67,-57,-185,-185,-185,-185,-185,-183,-185,-185,-233,-232,-245,-235,-242,-237,-227,-236,-235,-231,-377,-314,-308,-307,-340,-334,-331,-358,-435,-423,-412,-400,-783,-798]} 1. e4 e5 2. Nc3 Nf6 3. Bc4 c6 4. d4 Bb4 5. dxe5 Nxe4 $1 6. Bxf7+ {C27: Vienna Game: 2...Nf6 3 Bc4 Nxe4} (6. Nge2 {seems wilder.} d5 7. exd6 Nxd6 8. Bd3 Nd7 9. O-O) (6. Qd4 d5 7. exd6 O-O 8. Nge2 Nxc3 9. Nxc3 Bxd6 10. Be3 Qc7 11. O-O-O Be5 12. Qh4 {1-0 (85) Shanava,K (2569)-Avrukh,B (2605) Istanbul 2012}) 6... Kxf7 7. Qf3+ Nf6 $1 8. exf6 {The position is equal.} Qxf6 9. Qxf6+ (9. Bg5 $5 Re8+ 10. Kd2 Qxf3 11. Nxf3 $11) 9... gxf6 10. Bd2 d5 11. Nge2 Rg8 12. Rg1 $146 ({Predecessor:} 12. O-O Bf5 {0-1 (77) Alonso Herrero,I (1809)-Vallejo Nuno,J (2068) Madrid 2012}) 12... Nd7 $36 {[%cal Bb8d7,Bd7e5,Be5f3][%mdl 2080] Black fights for an advantage.} 13. O-O-O Ne5 14. Bf4 Bc5 15. Nd4 {[#]} (15. Be3 $15 Bxe3+ 16. fxe3) 15... Bxd4 $1 $19 16. Rxd4 {[#]} Nf3 $1 {[%cal Rf3d4][%mdl 512]} 17. Rdd1 (17. gxf3 Rxg1+) 17... Nxg1 18. Rxg1 Bf5 19. f3 Rae8 20. Kd2 d4 21. Ne2 c5 22. Ng3 Bg6 23. Bh6 Re6 24. h4 {[#]} (24. Rd1 {was called for.}) 24... Bxc2 $1 {[%mdl 512]} 25. Bf4 (25. Kxc2 Rxg3) 25... Ba4 26. Ne4 b6 27. b3 Bc6 28. Nd6+ Ke7 29. Nf5+ Kd7 30. Bg3 (30. Ng3 $142) 30... Bb5 {Precision: White = 38%, Black = 89%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "3"]
[White "Creo Abeijon, Diego"]
[Black "Lillo Castany, Victor"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1616"]
[BlackElo "2382"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,90,0,0,0,0,0,0,-34,-37,-34,-30,-36,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,0,88,-53,-46,-153,-70,-94,-93,-97,-90,-90,-90,-90,-90,-90,-87,-141,-10,-10,-10,-15,-8,-20,0,-127,-126,-29981,-29982,-29982,-29983,-29984,-29985,-29985,-29986]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. dxe5 Nxe5 10. Nxe5 {C78: Ruy Lopez: Archangelsk and Möller Defences} dxe5 11. Qxd8+ Kxd8 12. Bxf7 Rf8 13. Bd5 Nxd5 14. exd5 Bb7 {LiveBook: 15 Games} 15. c4 (15. Bg5+ Kd7 16. Nd2 h6 17. Be3 Bxe3 18. fxe3 Bxd5 19. e4 Bf7 20. Rf5 Be6 21. Rxe5 Kd6 22. Rh5 c6 23. Nb3 Rae8 24. Rd1+ {½-½ (24) Kononenko,D (2563)-Inarkiev,E (2664) Ohrid 2009}) 15... bxc4 16. Nc3 Bd4 17. Bg5+ Kd7 18. Rad1 $146 Kd6 19. Be3 Kc5 (19... Bxc3 $5 20. bxc3 Bxd5 $11) 20. Rd2 Bxe3 21. fxe3 Rxf1+ 22. Kxf1 $11 {[%mdl 4096] Endgame KRB-KRN} Rd8 {[%cal Rb7d5]} 23. e4 c6 {[%cal Rc6d5]} 24. d6 Bc8 25. Ke2 Be6 26. Ke3 Kb6 27. Na4+ Kb5 28. Nc3+ Ka5 29. a3 c5 (29... Kb6 $11 {remains equal.}) 30. Nd5 (30. Ne2 $1 $16) 30... Rxd6 $15 31. Nc7 (31. Nc3 $15 Rb6 32. h3) 31... Rc6 (31... Rxd2 $17 32. Kxd2 Bf7) 32. Nxe6 Rxe6 {KR-KR} 33. Rd7 Rb6 34. Rd5 Rxb2 {And now ...Kb5 would win.} 35. Rxc5+ Ka4 {Strongly threatening ...Kb3.} 36. Rxc4+ Kxa3 37. Rc5 {[#]} (37. g4 $142) 37... Rxg2 (37... Rb5 $1 $17 {[%cal Rb5c5]} 38. Rd5 Kb4) 38. Rxe5 $11 Kb4 39. Rd5 Rxh2 {Threatening ...a5.} 40. e5 {Black must now prevent e6.} Rh6 41. Rd6 (41. Rd7 $11) 41... Kc5 $17 42. Rxh6 $4 {[%mdl 8192]} (42. Rd1 $17) 42... gxh6 {Black mates.} 43. Ke4 {[#]} Kc6 $1 ({Stronger than} 43... a5 44. Kf5 $11) 44. e6 Kd6 45. Kf5 Ke7 {Precision: White = 44%, Black = 61%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "3"]
[White "Martinez Montes, Juan Manuel"]
[Black "Silva, Luis Neves Da"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1588"]
[BlackElo "2354"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,66,-22,-18,-13,-27,-25,-29,-33,7,-21,-21,-23,-33,-74,-41,-30,-30,-27,-23,-33,-27,-75,-11,-58,-46,-101,-92,-102,-108,-97,-81,-106,-59,-69,-59,-55,0,-7,-7,-8,70,-39,-48,-105,-128,-29991,-29992,-29992,-29993,-29994,-29995,-29995,-2449]} 1. e4 c5 2. Nc3 a6 3. Nge2 e6 4. g3 b5 5. a3 (5. Bg2 Bb7 6. O-O Nc6 7. d4 cxd4 8. Nxd4 Nge7 9. Bf4 Ng6 10. Be3 Nge5 11. Nxc6 Bxc6 12. Bd4 Ng6 13. Re1 f6 14. Nd5 {0-1 (54) Jovanovic,Z (2534)-Vitiugov,N (2726) Tallinn 2016}) 5... Bb7 6. Bg2 {B23: Closed Sicilian: Lines without g3} Nf6 7. d3 d5 8. exd5 Nxd5 {LiveBook: 12 Games} 9. Nxd5 Bxd5 10. Bxd5 Qxd5 11. O-O Nd7 $146 ({Predecessor:} 11... Nc6 12. c4 bxc4 {½-½ (20) Gonzalez Acosta,B (2434)-Bruzon Batista,L (2620) Santo Domingo 2007}) 12. d4 (12. Nc3 $5 {[%cal Rc3d5]} Qc6 13. Ne4 $11) 12... Qb7 13. Re1 Be7 14. Be3 O-O 15. c3 Rfd8 {Hoping for ...Ne5!} 16. Qc2 c4 17. Rad1 {[%cal Ba1d1,Bd1d2,Bd2e2,Be2e5][%mdl 32]} Nb6 18. Rd2 h5 (18... a5 $17) 19. Red1 h4 20. gxh4 (20. Nf4 $15) 20... Bxh4 $17 21. Ng3 f5 22. Re2 Nd5 23. Bc1 Qc6 24. Rde1 Re8 $1 25. Nh5 g5 (25... Qd6 $15) 26. Re5 Kf7 $1 $40 {[%mdl 128] Black attacks.} 27. Qe2 g4 (27... Re7 $1 $11) 28. Nf4 (28. h3 $14) 28... Bf6 $15 29. Nxd5 (29. Nxe6 $15 Bxe5 30. Ng5+ Kg6 31. dxe5) 29... Bxe5 $17 ({Much worse is} 29... exd5 $6 30. Rxe8 Rxe8 31. Qxe8+ Qxe8 32. Rxe8 $11) 30. Nb4 $2 {[%mdl 8192] [#]} (30. Qxe5 $17 Qxd5 31. Qf4) 30... Bxh2+ $1 {[%mdl 512] Black mates.} 31. Kxh2 Rh8+ 32. Kg3 Rh3+ 33. Kf4 Rf3+ {Precision: White = 25%, Black = 42%.} (33... Qc7+ $142 34. Qe5 Rf3+ 35. Kg5 Qe7+ 36. Qf6+ Qxf6+ 37. Kh5 Rh3#) 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "3"]
[White "Fernandez Rozas, Javier"]
[Black "Padeiro, Jose"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1560"]
[BlackElo "2255"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,74,0,-6,5,47,39,39,47,36,35,20,6,18,30,45,0,14,0,19,-20,0,-31,-16,-62,63,-50,0,-79,30,-55,0,-57,-46,-64,-58,-77,124,-187,-70,-98,-88,-97,-90,-112,-114,-115,-115,-110,-107,-156,-153,-206,-206,-206,-204,-236,-216,-197,-219,-225,-172,-226,-172,-560,-570,-937,-937]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. d4 Nxc3 6. bxc3 {B11: Caro-Kann: Two Knights Variation} Bg4 (6... c5 $5) (6... e6 7. Bd3 c5 8. O-O Nc6 9. a4 c4 10. Be2 Bd7 11. Ng5 Be7 12. Nh3 Qa5 13. Qd2 {1-0 (54) Karjakin,S (2774)-Arutinian,D (2527) Almaty 2016}) 7. h3 Bxf3 8. Qxf3 {White is slightly better.} e6 9. Rb1 b5 10. Be2 (10. a4 $5 bxa4 11. c4 $11 (11. Rb7 Nd7 $15)) 10... Be7 11. Qg3 $146 ({Predecessor:} 11. O-O O-O 12. Qg4 Re8 13. Bh6 {0-1 (21) Schierle,U-Ahlberg,M DESC email 2005}) 11... g6 12. Bh6 Nd7 13. O-O Qa5 14. Rb2 Nb6 15. Bg7 Rg8 16. Bf6 Nc8 (16... Bxf6 $15 17. exf6 Kd7) 17. Qh4 (17. c4 $14) 17... h5 18. Qg3 (18. c4 $11) 18... Qc7 (18... Bxf6 $17 19. exf6 Kd7) 19. Qg5 (19. Bxe7 $1 $11 Nxe7 20. a4) 19... Bxf6 $15 20. Qxf6 (20. exf6 $11 Nd6 21. Bd3) 20... Qe7 21. Qxe7+ Kxe7 22. a4 {[#]} Nb6 $2 (22... a6 $1 $17 {stays on course.}) 23. Ra1 $2 {[%mdl 8192]} (23. axb5 $16 {is forced if you want to stay better.} cxb5 24. Rxb5 (24. Bxb5 Rgc8 $16)) 23... a6 ({But not} 23... bxa4 24. h4 $17) ({Better is} 23... Nxa4 $19 24. Rb3 a6) 24. a5 Na4 25. Rb3 Rgc8 26. c4 dxc4 27. Bxc4 Rd8 28. c3 c5 29. Be2 {c4 would now be nice for White.} cxd4 30. cxd4 (30. c4 $17 {keeps fighting.}) 30... Rxd4 $19 31. Rc1 {[#]} Ra7 $1 32. g3 Re4 33. Re3 Rxe3 34. fxe3 b4 {[%cal Bb5b4,Bb4b3,Bb3b2][%mdl 32] aiming for ...b3.} 35. Bf3 (35. Rc4 $142) 35... b3 36. Rb1 $2 (36. Rc4 b2 37. Be4) 36... b2 37. Bc6 Rc7 {Precision: White = 19%, Black = 47%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "4"]
[White "Petkov, Vladimir"]
[Black "Garcia Romero, Benjamin Abel"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2498"]
[BlackElo "2217"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,-19,-19,-21,1,-14,39,37,39,44,80,71,124,127,149,154,162,158,154,151,163,160,186,199,189,182,204,207,209,211,333,187,313,318,287,256,274,277,366,358,367,366,365,365,358,352]} 1. Nf3 Nf6 2. b3 c5 3. Bb2 b6 (3... g6 4. c4 Bg7 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. Nc3 d6 9. d4 cxd4 10. Qxd4 Nbd7 11. Rfd1 a6 12. Qh4 Rc8 13. Rac1 Rc5 14. b4 Rc7 15. Ne1 Qc8 16. Bxb7 Qxb7 17. Nd5 Nxd5 18. Bxg7 Kxg7 19. cxd5 {½-½ (48) Cordova,E (2637)-Xiong,J (2647) Atlantic City 2016}) 4. Bxf6 gxf6 5. g3 $146 ({Predecessor:} 5. c4 Bb7 6. e3 f5 7. Nc3 Bg7 8. Rc1 e6 9. g3 Nc6 10. Bg2 d5 11. cxd5 {1-0 (42) Triapishko,O (2474)-Taysayev,T (2231) Sochi 2016}) 5... Bb7 6. Bg2 {A05: Réti Opening: 1 Nf3 Nf6} Nc6 7. O-O Qc7 (7... d5 $11) 8. c4 $14 {White is slightly better.} e6 9. Nc3 Be7 10. e3 Ne5 (10... O-O-O $142) 11. Nxe5 $16 Bxg2 {[#]} 12. Nxf7 $1 ({Don't do} 12. Kxg2 $6 fxe5 13. Qg4 O-O-O $11) 12... Kxf7 13. Qh5+ ({Resist} 13. Kxg2 h5 $16) 13... Kg7 14. Kxg2 f5 15. d4 Raf8 16. Rad1 cxd4 17. Rxd4 Bf6 {[#]} 18. Rd3 $1 Bxc3 19. Rxc3 Qe5 (19... Rf6 {is a better defense.} 20. Qg5+ Kf7) 20. Qg5+ $18 Kf7 {[#]} 21. Rd1 $1 {[%mdl 512]} d6 22. Rd4 h6 23. Qh5+ Kg7 24. Rcd3 {White is winning.} Rd8 25. Qd1 Rhe8 26. Rxd6 Rxd6 27. Rxd6 {Precision: White = 89%, Black = 43%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "4"]
[White "Pap, Misa"]
[Black "Estremera Panos, Sergio"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2491"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,79,14,14,7,9,12,15,10,20,18,16,0,21,22,28,28,28,28,28,27,50,40,41,13,85,58,67,50,51,35,32,11,11,10,8,0,0,0,0,0,78,78,80,87,170,169,167,167,199,198,464,395,624,620,588,579]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Nc6 8. Qd2 Be6 9. O-O-O Qd7 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} 10. Kb1 (10. h3 Bf6 11. g4 h6 12. Bg2 O-O-O 13. b3 Rde8 14. Rhe1 Kb8 15. Be3 a6 16. Ng1 g5 17. Ne2 h5 18. f3 {½-½ (73) So,W (2770)-Wei,Y (2696) Bilbao 2016}) 10... O-O-O 11. Ng5 Bxg5 12. Bxg5 f6 13. Be3 a6 {LiveBook: 18 Games} 14. f3 Rde8 15. Bf2 h5 $146 ({Predecessor:} 15... Qf7 16. b3 {1-0 (32) Bagi,M (2224)-Bodo,B (2030) Hungary 2010}) 16. b3 h4 17. h3 Bf5 18. Bc4 g5 (18... Ne5 $5 {[%cal Re5c4]}) 19. Rhe1 Rxe1 20. Rxe1 Re8 21. f4 Rxe1+ 22. Bxe1 Qe7 23. Bf2 Be4 24. Bf1 d5 (24... Qf7 $11 {keeps the balance.}) 25. Kb2 Nd8 26. fxg5 fxg5 27. Be3 Ne6 28. Be2 Kb8 29. Bg4 Nf4 30. a4 a5 31. Qf2 Qe5 32. Bd4 $36 {[%mdl 2048] White has the initiative.} Qe7 (32... Qd6 $11) 33. g3 $1 $16 {[%cal Rg3f4]} hxg3 34. Qxg3 Qd6 {[#]} (34... b6 $16 {might work better.}) 35. Qf2 $1 $18 b6 {[#]} 36. Be3 $1 Qg6 37. h4 Ne6 $2 (37... Qd6 38. hxg5 Ng6) 38. hxg5 Nxg5 (38... Ka7 $142 39. Qf6 Nc5 40. Bxc5 bxc5) 39. Qf8+ Ka7 {intending ...Ne6.} 40. Qe7 {Precision: White = 70%, Black = 49%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "4"]
[White "Pena Gomez, Manuel"]
[Black "Rodriguez Lopez, Rafael"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2468"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,75,12,-12,5,8,6,6,5,-11,0,0,-4,-31,1,-12,7,-38,0,0,0,-14,36,0,75,72,65,73,55,20,18,24,26,3,51,31,33,10,64,36,81,31,20,0,0,0,0,-110,-103,-194,-147,-192,-203,-205,-190,-238,0,0,0,0,593,602,5017,4652,1391,1391]} 1. g3 Nf6 2. Bg2 d5 3. Nf3 c6 4. O-O Bf5 5. d3 e6 6. Qe1 {A07: Réti Opening: New York and Capablanca Systems} (6. b3 h6 7. Bb2 Be7 8. Nbd2 O-O 9. c4 a5 10. a3 Bh7 11. Qc2 Na6 12. Ne5 Nd7 13. Nxd7 Qxd7 14. Nf3 Rfc8 15. Bc3 Qd8 16. Qb2 Bf6 17. Ne5 Nc5 18. Bd4 Qd6 19. f4 dxc4 20. dxc4 Nxb3 21. Qxb3 Qxd4+ {0-1 (49) Caruana,F (2808)-Grischuk,A (2761) Paris 2017}) 6... h6 7. Nc3 {LiveBook: 12 Games} Bb4 8. Bd2 {The position is equal.} a5 $146 ({Predecessor:} 8... O-O 9. Nxd5 Bxd2 10. Nxf6+ Qxf6 11. Qxd2 Qxb2 12. Rab1 Qf6 13. e4 Bg4 14. e5 {1-0 (59) Paci,N (1803)-Gras,D (1995) France 2008}) 9. e4 Bh7 10. a3 Be7 11. Bc1 O-O 12. Nd2 dxe4 13. dxe4 e5 14. f4 exf4 15. gxf4 Re8 16. Qg3 Nfd7 17. Kh1 f6 (17... Nc5 $1 $11) 18. Nf3 Kh8 19. Nh4 Nf8 20. Nf5 Bxf5 21. exf5 Bc5 22. Ne4 (22. Rd1 $5 {[%cal Rd1d8]} Qc7 23. Ne4 $14) 22... Bb6 23. Be3 Bxe3 24. Qxe3 Nbd7 (24... Na6 $11) 25. Rae1 a4 26. Qg3 {Hoping for Nd6.} Qc7 27. Bf3 Re7 28. Rg1 Nb6 {[%cal Bd7b6,Bb6c4,Bc4d6,Bd6f5,Bf5e3][%mdl 32]} 29. c4 (29. Bg4 $11 {remains equal.}) 29... Nxc4 $17 30. Rc1 (30. Bh5 $17 {was called for.}) 30... Nd6 ({Stronger than} 30... Nxb2 31. Nxf6 $1 {[%mdl 512]} Rf7 32. Nh5 $16) 31. Nxf6 Nxf5 32. Qg4 {Strongly threatening Nd5.} Ne3 33. Qh4 {White wants to mate with Qxh6+!} gxf6 $2 (33... Ne6 $19 34. Rce1 Qxf4 35. Qxf4 Nxf4) 34. Qxf6+ $11 Rg7 {White must now prevent ...Qf7.} 35. Rc3 $1 $40 {[%cal Rc3e3][%mdl 128] Black needs to defend precisely.} Re8 $2 {[%mdl 8192] [#]} (35... Qf7 $11 36. Qxg7+ Qxg7 37. Rxg7 Kxg7 38. Rxe3 Kf6) 36. Rxe3 $1 $18 {[%mdl 512] White is clearly winning.} Rxe3 37. Qxf8+ Kh7 {[#]} 38. Bg4 $1 {Precision: White = 41%, Black = 46%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "4"]
[White "Lillo Castany, Victor"]
[Black "Sanchez Aller, Fernando"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2382"]
[BlackElo "2337"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,137,4,40,37,67,47,60,50,52,54,56,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,43,32,48,50,88,75,77,58,65,22,77,70,58,43,50,60,98,98,98,98,98,98,117,108,110,106,95,80,104,58,58,58,58,58,58,58,181,177,151,164,179,172,295,27,473,444,444,441,443,404,408,372,422,383,426,360,566,537,625,607,887,645,557,458,1046,776,988,1045,923,951,582,893,743,708,1979,1779,1972,1622,1587,1502,1387,584,29981,29982,29983,29984,29984,29985,29985,29986]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. c3 a6 7. Bb3 Ba7 8. Nbd2 O-O 9. h3 h6 10. Re1 Nh5 11. Nf1 Qf6 12. Be3 Nf4 13. d4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} g5 (13... Ne7 14. Ng3 Neg6 15. Bc2 Nh4 16. Nxh4 Qxh4 17. Qf3 g6 18. Bxf4 Qxf4 19. Qxf4 exf4 20. Ne2 f3 21. Ng3 c5 22. d5 Re8 23. h4 fxg2 24. Kxg2 {1-0 (50) Ganguly,S (2668)-Kayumov,S (2505) Doha 2016}) 14. dxe5 dxe5 15. Bxa7 $146 {And now Be3 would win.White is slightly better.} ({Predecessor:} 15. N3h2 Na5 16. Ng4 Qg7 17. Ng3 {0-1 (85) Gajek,R (2296)-Mikrut,D (2358) Krakow 2013}) 15... Rxa7 16. Ne3 Ne7 17. Nd5 (17. Ng4 $14 Bxg4 18. hxg4) 17... Nexd5 $11 18. exd5 Re8 $1 19. Nd2 Bf5 20. Qf3 Raa8 21. Ne4 $36 {[%mdl 2048] White fights for an advantage.} Qg6 $1 22. Rad1 Rad8 23. Qe3 Bxe4 24. Qxe4 Qxe4 (24... Kg7 {looks sharper.} 25. Kh2 f5 26. Qb4 Qd6 27. Qxb7 e4) 25. Rxe4 Kf8 26. g3 Ng6 27. Rb4 b5 28. a4 Rb8 29. axb5 Rxb5 (29... axb5 $11 30. d6 cxd6) 30. Rxb5 $16 axb5 $14 {[%mdl 4096] Endgame KRB-KRN} 31. Ra1 e4 32. Ra7 {Strongly threatening d6.} e3 33. fxe3 Rxe3 34. Kf2 (34. Rxc7 $6 Rxg3+ 35. Kh2 Rd3 $11) 34... Re7 35. Rb7 Ne5 {[#]} 36. Bc2 $1 f5 37. Rxb5 Rf7 38. Rb8+ Ke7 39. b4 f4 40. g4 $1 Rf6 41. Ra8 Rd6 42. Be4 Nd7 (42... Rb6 $14) 43. Rc8 Nf6 44. Rxc7+ Kd8 45. Rc4 Ra6 (45... Nxe4+ $142 46. Rxe4 Rxd5) 46. Kf3 $2 ({White should try} 46. Bf5 $18) 46... Ra2 $2 {[%mdl 8192]} (46... Nd7 $11 47. Ke2 Ne5) 47. Rc6 Nd7 {[%cal Rd7e5]} 48. Re6 Ra3 49. Bf5 Rxc3+ 50. Ke2 Ra3 {If Black can now play ...Ra2+ this consolidates a bit.} 51. Rd6 Ra7 52. b5 Ke7 (52... Ke8 {might work better.} 53. Rxh6 Ra2+ 54. Ke1 Ra1+ 55. Kd2 Ra2+ 56. Kd1 Nf8) 53. Rxh6 $18 Ra2+ 54. Kd1 f3 55. Rh7+ Kf6 {White must now prevent ...f2.} 56. Rxd7 {KRB-KR} Ra1+ 57. Kd2 f2 58. Bd3 ({Don't blunder} 58. Rd6+ $2 Ke5 $19) 58... Ra2+ {[#]} 59. Ke3 $1 ({Weaker is} 59. Kc3 Ra3+ 60. Kd2 Rxd3+ 61. Ke2 Rf3 $16) 59... Ra3 60. Kxf2 ({Wrong is} 60. Ke4 $2 Rxd3 61. Rd6+ Kf7 $19) 60... Rxd3 {KR-KR} 61. b6 {[%cal Bb5b6,Bb6b7][%mdl 32]} Rxh3 62. b7 Rb3 63. Ke2 Ke5 64. Kd2 Kd4 65. Kc2 (65. Kc1 $142 Rb4 66. Rg7) 65... Rb6 66. d6 {[%cal Bd5d6,Bd6d7][%mdl 32] White mates.} Kd5 67. Rg7 Kc6 68. d7 Kc7 69. Rg8 {Precision: White = 75%, Black = 45%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "4"]
[White "Silva, Luis Neves Da"]
[Black "Oratovsky, Michael"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2354"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,46,37,35,35,29,30,27,17,17,39,14,29,32,35,22,0,0,0,0,0,0,0,0,0,0,0,0,0,11,0,0,0]} 1. d4 d6 2. e4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. a4 O-O 7. O-O a5 8. Re1 c6 9. h3 Nb6 {C41: Philidor Defence} 10. Ba2 Nfd7 {[%cal Bf6d7,Bd7c5,Bc5a4][%mdl 32]} 11. Be3 exd4 {White has an edge.} 12. Nxd4 {Black must now prevent Nf5.} Nc5 $1 13. Qh5 Nbxa4 14. Nxa4 Nxa4 15. Nf3 b5 {The position is equal.} 16. Ng5 Bxg5 $1 17. Bxg5 {[#]} Qc7 $146 18. Re3 Kh8 $1 (18... Nxb2 $2 {[#]} 19. Bf6 $1 $18 {[%mdl 512]}) 19. c4 {[#] Bb1 is the strong threat.} Be6 $1 20. Bb1 f6 $1 {[%cal Rf6g5,Bf7f6,Bf6f5][%mdl 32]} ({Don't blunder} 20... Bxc4 $2 21. e5 $18) 21. e5 $1 {[%csl Gb1][%cal Rh5h7]} f5 $1 22. exd6 Qxd6 23. cxb5 cxb5 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "4"]
[White "Padeiro, Jose"]
[Black "Firat, Burak"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "2255"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "230"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,230,37,23,51,0,36,22,33,22,44,48,49,46,40,41,53,53,63,32,34,25,66,39,62,28,44,32,36,16,18,27,58,33,56,63,68,72,69,45,47,41,73,58,66,71,73,68,80,52,60,43,72,64,61,53,62,56,137,133,183,0,6,0,11,0,17,3,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,7,7,17,-4,-4,-4,0,0,0,0,20,-4,0,0,0,-4,-4,-4,-4,-4,0,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,0,-12,-12,-12,-12,-12,32,36,37,11,9,38,104,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-27,-25,-28,0,-475,-461,-458,-411,-528,-527,-493,-499,-391,-450,-418,-372,-380,-354,-781,-775,-1629,-1612,-1464,-1272,-1625,-6015,-1695,-2111,-845,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. O-O cxd4 7. exd4 Be7 8. Nc3 d6 9. Bg5 {E14: Queen's Indian: Classical Variation (4 e3)} (9. d5 e5 10. Re1 O-O 11. Rb1 Nbd7 12. b4 Ne8 13. Bc2 Rc8 14. Qe2 Ba6 15. Nd2 Bg5 16. Bb3 f5 17. Nf3 Bxc1 18. Rbxc1 {1-0 (27) Kramnik,V (2801)-Eljanov,P (2765) Stavanger 2016}) 9... Nbd7 10. Re1 O-O 11. Rc1 {LiveBook: 4 Games. White is slightly better.} Re8 12. Bf1 (12. Bf4 $14) 12... Rc8 13. b4 a6 $146 ({Predecessor:} 13... h6 14. Bh4 Nf8 15. Bg3 Nh5 16. a4 Bf6 17. Re3 {½-½ (81) Jahnel,G (2336)-Jaeger,D (2157) Germany 2011}) 14. a3 Bf8 15. Nd2 Qc7 16. Nb3 Qb8 17. Bh4 Qa8 18. f3 g6 19. Bg3 e5 20. d5 a5 21. Ra1 Ba6 22. b5 Bb7 23. Na4 Qb8 24. Bf2 Qc7 25. Be3 Bg7 26. Rc1 Nh5 27. Qd2 $36 {[%mdl 2048] White is more active.} Ra8 28. Qf2 {[%cal Ra4b6]} Nc5 29. Naxc5 dxc5 30. Rcd1 {And now d6 would win.} Bf8 31. Bc1 (31. g4 $5 {[%cal Rg4h5]} Nf4 32. Nd2 $14) 31... Bd6 32. g3 Bc8 33. Bg2 Bd7 34. Re2 Re7 35. Rde1 Rae8 36. Bb2 f5 37. Nc1 Rf8 38. Rf1 Ree8 {[#]} ({Black should play} 38... f4 $14) 39. Qe1 $1 $16 Nf6 40. Qc3 $2 ({Better is} 40. Nd3 $18) 40... e4 $1 $11 41. f4 (41. Qd2 $5 {[%cal Rf3e4]} e3 42. Rxe3 $14) 41... Rf7 42. a4 Ree7 43. Nb3 Re8 44. Nd2 Bf8 45. Rfe1 {[%cal Rg2e4]} Bg7 {[#] Threatens to win with ...Nxd5!} 46. Qc1 Ree7 47. Nf1 Ne8 48. Bxg7 Rxg7 49. Ne3 Nd6 50. Rf2 Re8 51. Ref1 Rf7 52. h3 Qd8 53. Qc3 h6 54. Kh2 Kh7 55. h4 Qe7 56. Rh1 Rf6 57. Kg1 Kg8 {[%cal Bh7g8,Bg8f8,Bf8e7,Be7d8,Bd8c8][%mdl 32]} 58. Bf1 Qg7 59. Rfh2 Kf8 60. Kf2 Ke7 61. Be2 Kd8 62. Qb2 Rg8 63. Qe5 Kc8 64. Qc3 Qe7 65. Ke1 Nf7 66. Kd2 Qd6 67. Rf1 Qe7 68. Rhf2 Nd6 69. Qe5 Qf7 70. Rh2 Re8 71. Qc3 Qg7 72. Rfh1 Re7 73. Qa1 Re8 74. Qc3 Rg8 75. Qe5 Qf8 76. Kc2 Qd8 77. Kd2 Kb7 (77... Re8 $5 {[%cal Re8e5]} 78. Qc3 Kc7 $11) 78. Kc2 Bc8 79. Kd2 Rff8 80. Kc2 Rf7 (80... Re8 $5 {[%cal Re8e5]} 81. Qc3 Qe7 $11) 81. Kd2 Rfg7 82. Kc2 Nf7 83. Qc3 Qe7 84. Rf2 Nd6 85. Qe5 Qc7 86. Qc3 g5 87. hxg5 $1 hxg5 88. Rh6 gxf4 89. gxf4 Bd7 (89... Rg6 $14 90. Rfh2 Ne8) 90. Qe5 (90. Rfh2 $16) 90... Nf7 91. Qxc7+ Kxc7 92. Rf6 Rh7 {Black wants to play ...Nd6.} 93. Nxf5 Bxf5 94. Rxf5 Rg3 95. Rh5 Rxh5 96. Bxh5 {[%mdl 4096] Endgame KRB-KRN} Nd6 97. Be2 Nf5 98. Rh2 Nd4+ 99. Kb2 Kd8 100. Bd1 Rg1 101. Bc2 (101. Be2 $5) 101... e3 {[%cal Be4e3,Be3e2][%mdl 32]} 102. Bd3 Re1 (102... Rd1 $5 {[%cal Rd1d3]} 103. Bc2 Rf1 $11) 103. f5 $2 {[%mdl 8192]} (103. Rh8+ $11 {and White has nothing to worry.} Ke7 104. Rh7+ Kd6 105. Rh6+ Kd7 106. Rxb6) 103... e2 $19 104. Rh8+ Ke7 105. f6+ Kxf6 {White must now prevent ...Rb1+!} 106. Re8 {Threatening d6.} Rd1 107. Bxe2 Rd2+ 108. Kc3 Rxe2 {KRN-KR} 109. Rb8 Re3+ 110. Kb2 $2 (110. Kd2 Ra3 111. Rxb6+ Ke5 112. Rg6) 110... Rb3+ {Black is clearly winning.} 111. Kc1 Rc3+ 112. Kd2 Rxc4 113. Rxb6+ Ke5 114. d6 Ke6 115. Ra6 Kd5 $2 {[%mdl 32768] Precision: White = 65%, Black = 64%. . Sensor Board Error (Ke4/e5)?} (115... Rxa4 $19 116. b6 Kxd6 117. b7+ Kc7) 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "4"]
[White "Vidal Fernandez, Pablo"]
[Black "Burmakin, Vladimir"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2167"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,50,24,29,24,25,20,40,20,17,-16,0,-3,-14,-14,-7,-7,-14,-25,-8,-39,-31,-55,-51,-58,-53,-66,-48,-46,-33,-60,-50,-50,-52,-48,-51,-100,-98,-165,-160,-197,-150]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 Qc8 (4... h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Bg5 Be7 8. Nf3 Nh6 9. Nc3 Nf5 10. Ne2 c5 11. dxc5 Qa5+ 12. c3 Qxc5 13. Bxe7 Kxe7 14. Ned4 Nxd4 15. Nxd4 {0-1 (32) Adams,M (2761)-Svidler,P (2741) Shenzhen 2017}) 5. Ne2 h6 6. Ng3 {B12: Caro-Kann: Advance Variation} Bh7 {LiveBook: 3 Games} 7. Bd3 $146 ({Predecessor:} 7. Be3 e6 8. Nd2 Nd7 9. Nb3 Qd8 10. Be2 Ne7 11. a4 Nc8 12. a5 {0-1 (38) Gurevich,D (2455)-Agrest,E (2593) chess.com INT 2017}) 7... Bxd3 8. Qxd3 {White has an edge.} e6 9. Nd2 c5 10. dxc5 Qxc5 11. Nf3 Nd7 12. O-O Ne7 13. Re1 Rc8 14. c3 Qc4 15. Qe3 Nc6 16. b3 Qg4 17. Qf4 Qxf4 18. Bxf4 Bc5 19. Rad1 O-O 20. Re2 Ne7 21. Be3 b5 22. Kf1 Rc7 23. Ke1 Rfc8 24. Bxc5 (24. Bd2 $17) 24... Rxc5 $19 (24... Nxc5 25. Nd4 $17) 25. Nd4 a6 {Precision: White = 38%, Black = 72%.} ({Much less strong is} 25... Rxc3 26. Nxb5 R3c5 27. Nd6 $17) 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.10"]
[Round "4"]
[White "Rebole Arbea, Jose Ignacio"]
[Black "Yuffa, Daniil"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2140"]
[BlackElo "2515"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,96,8,14,0,9,-25,-15,-17,33,35,35,-28,-41,-34,-12,-22,-18,-47,-47,-66,-44,-102,-96,-103,-104,-116,-81,-110,-80,-80,-83,-79,-67,-78,-81,-92,-79,-90,-89,-90,-88,-88,-60,-68,-74,-60,-51,-53,-50,-131,-12,-177,-175,-168,-165,-166,-157,-355,-358,-348,-340,-333,-193,-323,-314,-309,-303,-486,-469,-636,-206,-485,-504,-633,-618,-29965,-29965,-6395,-6238,-1996,-1106,-954,-1051,-1033,-1016,-29962,-29966,-6322,-5355]} 1. g3 Nf6 2. Bg2 g6 3. c4 Bg7 4. Nc3 O-O 5. e3 e6 6. Nge2 {A16: English Opening: 1...Nf6 with ...d5} d5 7. O-O (7. cxd5 exd5 8. d4 a5 9. O-O c6 10. f3 Na6 11. e4 Be6 12. e5 Nd7 13. Nf4 Nc7 14. Be3 f6 15. Nxe6 Nxe6 {½-½ (15) Galego,L (2518)-Vescovi,G (2646) Sao Paulo 2005}) 7... dxc4 8. Qa4 {The position is equal.} Bd7 $146 ({Predecessor:} 8... Nbd7 9. Qxc4 Ne5 10. Qb5 Nd3 11. Nd4 Nxc1 12. Raxc1 c6 13. Qe2 e5 {0-1 (31) Richardson,K (2227)-Hebden,M (2544) West Bromwich 2004}) 9. Qxc4 Bc6 10. b3 (10. e4 $14) 10... Bxg2 $11 11. Kxg2 Nbd7 12. Ba3 Re8 13. d4 e5 14. Na4 exd4 15. exd4 (15. Nxd4 $15 Nb6 16. Nxb6 axb6 17. Bb2) 15... Nb6 16. Nxb6 axb6 17. Bb2 Ne4 18. Qc2 h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 19. Nf4 Qd7 ({Reject} 19... Bxd4 $6 20. Rfd1 $11) 20. Rfe1 Nf6 21. a4 {[#]} h4 $1 {[%mdl 512]} 22. Qc4 (22. gxh4 Qg4+) 22... g5 23. Nd3 h3+ 24. Kg1 Qf5 25. Ne5 {[#]} Ng4 $1 ({Don't play} 25... Ne4 $6 {[#]} 26. Rxe4 $1 {[%mdl 512]} Qxe4 27. Qxf7+ Kh8 28. Qh5+ Kg8 29. Qf7+ Kh8 30. Qh5+ Kg8 31. Qf7+ $11) 26. Qe2 Rad8 $40 {[%mdl 128] Black is out for blood.} 27. Qxg4 Rxe5 $1 28. Qxf5 Rxf5 29. Re7 ({White should try} 29. Rad1 $15) 29... Rf3 (29... Bxd4 $17 30. Bxd4 Rxd4 31. Rxc7 Rf3) 30. Rxc7 $2 (30. Re3 $1 $11 {and White is okay.} g4 31. Rxf3 gxf3 32. Rd1) 30... Rxb3 $19 31. Rc2 Bxd4 32. Bxd4 Rxd4 {[%mdl 4096] Endgame KRR-KRR} 33. f3 $2 (33. f4 $17 {might work better.}) 33... Rxf3 34. Rb2 Rfd3 35. Raa2 Rd6 (35... Re4 $142 {Hoping for ...Re1+.} 36. Kf2 g4) 36. Kf2 (36. Rb5 {is the only way for White.}) 36... Kg7 37. Ke2 g4 38. a5 $2 (38. Rb5 R3d4 39. Ke3) 38... R3d5 39. Ke3 b5 $2 (39... Re6+ 40. Kf4 Rd4+ 41. Kf5 Rh6) 40. Rb4 $2 (40. Kf4) 40... f5 41. Rc2 Kf6 42. Rc8 Rd3+ 43. Ke2 Rd2+ 44. Ke1 Rxh2 45. Rf8+ Kg6 {( -> ...Rdd2)} 46. Rxb5 Rh1+ 47. Ke2 h2 48. Rh8 Ra1 {Precision: White = 33%, Black = 64%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.11"]
[Round "5"]
[White "Burmakin, Vladimir"]
[Black "Sousa, Andre Ventura"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2520"]
[BlackElo "2385"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,93,20,13,37,37,59,50,68,54,58,57,56,70,63,49,93,67,64,74,66,71,85,77,79,85,91,82,168,168,193,193,356,370,366,363,427,412,507,450,1104,182,185,0,1205,948,839,197,275,259,249,261,335,336,1369,1361,1269,1243,2222,607,542,530,29972,29973,29971,29972,29983,29984,29985,29986,29988,29989,29989,29990]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Bd6 6. Bg2 c6 7. Qc2 Nbd7 8. O-O O-O 9. Bf4 Bxf4 10. gxf4 Ne4 11. e3 f5 12. Nbd2 {LiveBook: 23 Games} Nxd2 {A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6)} 13. Qxd2 b6 {[%cal Bb7b6,Bb6b5,Bb5b4][%mdl 32]} 14. cxd5 $146 ({Predecessor:} 14. Rac1 Bb7 15. Rfd1 Rc8 16. b4 Qe7 17. c5 Ba6 18. a4 Bc4 19. Qc2 bxc5 20. bxc5 {1-0 (36) Konopka,M (2479)-Ubushiev,A (2265) Pardubice 2001}) 14... cxd5 {White is slightly better.} 15. Qb4 a5 16. Qa3 b5 17. Rfc1 b4 18. Qb3 Nb6 19. Ne5 Bd7 20. a3 Ba4 21. Qd3 Nd7 22. axb4 Nxe5 23. dxe5 axb4 24. b3 Bd7 {[#]} (24... Be8 $16) 25. Bxd5 $1 $18 {[%mdl 512]} Rxa1 (25... exd5 26. Qxd5+) 26. Rxa1 exd5 $2 (26... Qe7) 27. Qxd5+ Kh8 {Hoping for ...Qc8.} 28. Rd1 Qh4 29. Qxd7 {[%mdl 4096] Endgame KQR-KQR} Qg4+ 30. Kf1 Qh3+ (30... h6 $142 31. e6 Ra8) 31. Ke2 $2 (31. Ke1) 31... Qg4+ 32. Kf1 $2 (32. Kd2 Qg2 33. Ke2) 32... Qh3+ {[#]} 33. Ke1 $1 Qxh2 34. Qc6 $2 $40 {[%mdl 128] White wants a kill.} (34. e6 {Strongly threatening e7.} Qh1+ 35. Ke2 Qh5+ 36. Kd2) 34... Qg1+ (34... h6 {was called for.} 35. Kf1 Kh7) 35. Ke2 Qg4+ 36. Qf3 Qg6 37. Rd6 Qg1 $2 (37... Qe8 38. Rb6 Qc8) 38. e6 {e7 would kill now.} Qg6 39. Qc6 Qg4+ 40. Kd2 (40. Kf1 $142 Qh4 41. Rd7) 40... Qh4 41. Ke1 h5 42. Qd7 {White mates.} Qh1+ 43. Ke2 Qe4 44. e7 Ra8 45. f3 Ra2+ 46. Rd2 Rxd2+ 47. Kxd2 {Precision: White = 67%, Black = 31%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.11"]
[Round "5"]
[White "Yuffa, Daniil"]
[Black "Lillo Castany, Victor"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2515"]
[BlackElo "2382"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,71,-1,-3,-3,6,-3,0,-8,6,-6,0,-4,10,0,22,10,27,16,18,12,30,33,31,20,35,5,24,0,24,0,0,-10,0,0,31,22,137,0,7,8,22,4,11,14,28,28,29,39,168,162,136,108,108,108,108,108,5289,537,537,537]} 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 {[%cal Bb8c6,Bc6e7,Be7d5][%mdl 32]} 5. Nd2 e6 6. Ngf3 Bd6 7. Bg3 O-O 8. Bb5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Ne7 (8... Bxg3 9. hxg3 Qb6 10. a4 h6 11. O-O Ne7 12. Qb3 Qc7 13. a5 Bd7 14. Be2 Ng6 15. Qa3 c4 {1-0 (38) Carlsen,M (2832)-Caruana,F (2808) Paris 2017}) 9. Bd3 c4 10. Bc2 {The position is equal.} b5 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 {[#]} Nd5 $146 14. O-O Bxg3 (14... Rb8 $5) 15. hxg3 Bb7 16. Re1 h6 17. Ne5 Qc7 18. Qd2 Rfd8 19. Ng4 Qe7 20. a4 a6 (20... b4 {is interesting.} 21. Ne5 Rdc8 22. Bf3 a5 23. Bh5 Rf8) 21. Bxd5 Bxd5 22. Re5 Rab8 23. Rh5 Qf8 24. axb5 axb5 (24... Rxb5 $11 25. Rxa6 Rdb8) 25. Qf4 ({White must play} 25. Ra7 $16 Ra8 26. Rc7) 25... Rb7 26. Ne3 b4 27. Qg4 {Strongly threatening Rxh6.} Kh8 28. Nxd5 exd5 29. Ra5 $36 {[%mdl 2048] White is more active.} bxc3 30. bxc3 Rb3 {[#]} (30... Rbd7 $14) 31. Qf3 $1 $18 Re8 32. Re5 ({Don't do} 32. Raxd5 $6 Re1+ 33. Kh2 Rbb1 $14) ({But not} 32. Qxd5 $6 Rxc3 33. Ra1 Rd8 $11) 32... Rxe5 33. dxe5 {[%cal Bd4e5,Be5e6,Be6e7][%mdl 32]} d4 34. e6 dxc3 $2 {[%mdl 8192] [#]} ({Avoid the trap} 34... Rxc3 $2 35. Ra8 $18) (34... Rb1+ $16 35. Kh2 Rb8) 35. Ra8 (35. e7 $142 $1 {[%mdl 512]} Rb1+ (35... Qxe7 36. Ra8+) 36. Kh2) 35... Rb8 36. e7 $1 {Precision: White = 38%, Black = 21%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.11"]
[Round "5"]
[White "Strikovic, Aleksa"]
[Black "Veiga, Jose Francisco R P "]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2500"]
[BlackElo "2082"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,87,7,12,-10,-11,-28,12,-17,-17,-17,12,0,14,17,10,20,67,38,110,100,101,95,113,106,97,-35,10,13,21,6,63,61,57,0,0,-156,108,93,100,77,88,104,114,-146,-133,-195,-205,-199,0,-33,0,0,0,0,0,0,0,0,0,0,714,732,731,715,5874,5564,5322,5314,29984,29985]} 1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Nc3 O-O 6. Nge2 c5 7. h3 cxd4 8. Nxd4 Nc6 9. Nde2 {B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3)} (9. Be3 Nxd4 10. Bxd4 Bd7 11. Qe2 Rc8 12. O-O Bc6 13. e5 dxe5 14. Bxe5 Qb6 15. a4 Bxg2 16. Kxg2 {½-½ (16) Andreikin,D (2723)-Bok,B (2598) Minsk 2017}) 9... Rb8 10. a4 a6 {LiveBook: 27 Games} 11. Bg5 {The position is equal.} b5 12. O-O $146 ({Predecessor:} 12. axb5 axb5 13. Nd5 Nd7 14. Qc1 Re8 15. O-O b4 16. Rd1 Bb7 {½-½ (44) Matulovic,M (2428)-Sedlak,N (2447) Novi Sad 2002}) 12... h6 (12... b4 $5 {[%cal Rb4c3]} 13. Nd5 Nd7 $15) 13. Be3 (13. axb5 $5 {[%cal Rg5f6]} hxg5 14. bxc6 $11) 13... b4 14. Nd5 Kh7 (14... Nd7 {seems wilder.} 15. Rb1 Nc5 16. b3 e6 17. Ndf4 a5) 15. Qd2 Nxd5 16. exd5 Ne5 $1 {[%cal Re5c4]} 17. Bd4 Qc7 18. b3 Bf5 (18... Bf6 $14) 19. Rac1 g5 20. f4 gxf4 21. gxf4 Ng6 {[%cal Be5g6,Bg6h4,Bh4f5,Bf5g3][%mdl 32]} 22. c3 ({White should play} 22. Bxg7 $1 $16 Kxg7 23. Nd4) 22... Rg8 {Hoping for ...Nh4.} 23. Kh2 Qd7 24. Qe3 Rbe8 ({Black should try} 24... Nh4 $11 25. Rg1 bxc3 26. Rxc3 a5) 25. Bxg7 $14 Rxg7 26. Nd4 (26. cxb4 $14 e6 27. dxe6 Rxe6 28. Qf2) 26... Nh4 $36 {[%mdl 2048] White is under pressure.} 27. Be4 $2 (27. Bh1 $11) 27... Kh8 $2 {[#]} (27... Bxe4 $17 {and life is bright.} 28. Qxe4+ f5) 28. Rg1 $1 $16 {[%cal Rg1g7] Strongly threatening Rxg7.} Reg8 {White must now prevent ...Bxe4.} 29. Rxg7 Rxg7 30. Nxf5 Nxf5 31. Qd3 $2 {[%mdl 8192]} (31. Qe1 $16 {stays on course.}) 31... Qa7 $17 {( -> ...Qf2+)} 32. Qd2 (32. Qf3 $17 {is a better defense.} Nh4 33. Qe2) 32... bxc3 $19 33. Qe1 {[#]} Ng3 $2 (33... Qe3 $1 $19 {[%cal Re3f4]} 34. Qxe3 Nxe3) 34. Bg2 $15 Qd4 35. Rxc3 Nf5 (35... Nf1+ $5 36. Kh1 Rg8 $11) 36. Rc8+ Kh7 37. Be4 e6 38. Rc4 Qb2+ 39. Bc2 $1 exd5 $2 {[%mdl 8192]} (39... Rg6 $11) 40. Qc3 $18 Qxc3 41. Bxf5+ ({And not} 41. Rxc3 Kg6 $11) 41... Kh8 42. Rxc3 Rg8 43. b4 Kg7 44. Rg3+ {Precision: White = 48%, Black = 36%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.11"]
[Round "5"]
[White "Oratovsky, Michael"]
[Black "Ambartsumova, Karina"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2494"]
[BlackElo "2325"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,112,27,20,27,24,23,28,45,25,14,0,0,0,0,0,0,0,0,0,0,0,-2,-9,-14,-43,-37,-44,-26,-50,0,-26,0,0,0,-166,-164,-148,-146,-309,-301,-351,-336,-415,-382,-584,-575,-584,-568,-581,-550,-558,-570,-564,-568,-561,-543,-509,0,-545,-537,-555,-558,-549,-552,-612,-416,-603,-595,-571,-604,-577,-403,-398,-376,-448,-411,-615,-620,-620,-612,-584,-602,-609,-604,-583,-576,-633,-637,-773,-798,-919,-931,-29975,-29976,-29973,-29974,-29965,-29966]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 (5... b5 6. Re1 Bb7 7. a4 b4 8. Bc4 Ngf6 9. d3 e6 10. Nbd2 Be7 11. Nf1 O-O 12. Ng3 d5 {1-0 (50) Vachier Lagrave,M (2783)-Nepomniachtchi,I (2766) Leuven 2017}) 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} g6 7. c3 Bg7 8. Bc2 O-O 9. d4 {LiveBook: 27 Games} cxd4 10. cxd4 e5 11. Nc3 b5 12. d5 $146 ({Find the theoretical novelty and annotate with similar games:} 12. dxe5 dxe5 {½-½ (38) Bratkovic,J (2186)-Tuncer,T (2279) Celje 2016}) 12... Nb6 13. Bd3 Bd7 14. a3 Rc8 15. Na2 Na4 16. Bc2 Qc7 17. Bxa4 bxa4 18. Nc3 Qc4 19. Bg5 h6 $36 {[%mdl 2048] Black has some pressure.} 20. Bh4 Rb8 {Strongly threatening ...g5.} 21. Rb1 Rfc8 22. Nd2 Qd3 23. f3 Nh5 {[%cal Bf6h5,Bh5f4,Bf4d3,Bd3b2,Bb2d1][%mdl 32]} 24. Bf2 Nf4 25. Kh1 $2 {[#]} (25. Re3 $1 $11 {and White is okay.} Qd4 26. Re1) 25... Rxb2 $3 $19 {[%mdl 512]} 26. Rxb2 {Hoping for Ncb1.} Qxc3 27. Rb7 $2 (27. Ra2 $17 {was necessary.}) 27... Nd3 28. Rf1 Bb5 29. Bg1 {White hopes to continue with Nb1.} Nb2 30. Qa1 (30. Nb1 $142 Nxd1 31. Nxc3 Nxc3 32. Rc1) 30... Qxd2 ({Weaker is} 30... Bxf1 31. Nxf1 Nd3 32. Rb1 $17) 31. Rf2 Qd1 32. Qxd1 Nxd1 33. Rd2 Rc1 34. h4 Ne3 35. Rb8+ Kh7 36. Rb7 Kg8 37. Rb8+ $1 {[#]} Bf8 $1 38. Ra2 h5 39. Kh2 Nf1+ 40. Kh3 Bd7+ 41. g4 hxg4+ 42. fxg4 Rc3+ 43. Kg2 Ne3+ 44. Bxe3 Rxe3 45. h5 Rxe4 46. h6 (46. Kf2 $142 Rf4+ 47. Ke1 Rxg4 48. hxg6) 46... Rxg4+ 47. Kf3 Rh4 48. Rd8 Bf5 49. Rb2 Rh3+ 50. Kg2 {and the idea Rbb8 leaves White hopeful.} Rb3 51. Ra2 g5 {[%cal Bg6g5,Bg5g4,Bg4g3,Bg3g2][%mdl 32]} 52. Rf2 Be4+ 53. Kh2 g4 {( -> ...Rh3+)} 54. Re2 g3+ {Black mates.} 55. Kh3 g2+ 56. Kh2 {[#]} Rh3+ $1 {[%mdl 512] Precision: White = 55%, Black = 89%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.11"]
[Round "5"]
[White "Firat, Burak"]
[Black "Pap, Misa"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2482"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,66,20,18,-18,-24,-15,0,-1,-14,-72,-35,-46,-30,-40,-37,-70,-34,-29,-22,-28,-12,-34,-26,-20,-20,-22,18,0,19,12,69,-102,19,33,164,167,164,56,62,58,141,93,350,0,0,-9,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. g3 O-O 7. Bg2 b6 8. O-O Bb7 9. cxd5 exd5 10. b4 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} a5 {LiveBook: 3 Games} 11. Rb1 (11. b5 c6 12. bxc6 Nxc6 13. e3 b5 14. Ne5 Bd6 15. Bb2 a4 16. Qb1 Rb8 17. Bc3 Ba8 18. Nxc6 Bxc6 {½-½ (69) Wei,Y (2728)-Yu,Y (2749) Beijing 2017}) 11... axb4 12. axb4 {[%cal Ba3b4,Bb4b5][%mdl 32] Black has an edge.} Nc6 $146 {[%cal Bb8c6,Bc6b4,Bb4a2,Ba2c3][%mdl 32]} ({Predecessor:} 12... Bc6 13. b5 Be8 14. Qc2 Ra5 15. Qd3 c5 16. bxc6 Nxc6 17. Ne5 Nb4 18. Qb3 Bb5 19. Ba3 Ra4 20. Bxb4 Bxb4 21. Nd3 Bxd3 22. Qxa4 {½-½ (22) Babu,N (2333)-Ramesh,R (2473) Kolkata 2008}) 13. b5 Nb4 14. Nh4 (14. Ne5 $11) 14... g6 15. Ndf3 Ne4 {...Nc3 is the strong threat.} 16. Qb3 Na2 17. Bb2 {[#]} Nac3 $1 {[%mdl 512]} 18. Bxc3 Ra3 19. Qb2 Nxc3 20. Rbc1 $1 {[%cal Rc1c3]} Ne4 21. Ne5 Ra5 {Hoping for ...Ba3.} 22. Qc2 Ba3 23. Qxc7 Bxc1 24. Qxb7 {aiming for Nc6.} Ra1 (24... Nc3 $11) 25. Nd3 $2 {[#]} (25. Bxe4 $14 dxe4 26. e3 (26. Qxe4 Qa8 $14)) 25... Qc8 (25... Qa8 $1 $17 {[%cal Ra8b7]} 26. Qxa8 Rfxa8 27. Nxc1 Nd2) 26. Qc6 $11 g5 (26... Qxc6 $1 $14 27. bxc6 Rc8) 27. Nf3 $18 ({Worse is} 27. Nxc1 gxh4 28. Qxd5 Nc3 $14) 27... Nc3 {[#]} 28. Kh1 ({Inferior is} 28. Nxc1 Rxc1 29. Rxc1 Nxe2+ 30. Kh1 Nxc1 $11) ({Stronger than} 28. Qxb6 Nxe2+ 29. Kh1 Qf5 $11) (28. e3 $1 $18) 28... Nxe2 $14 29. Nfe5 Nxd4 ({Better is} 29... Qxc6 $1 $14 30. bxc6 Kg7) 30. Qxb6 Bb2 $2 {[%mdl 8192]} (30... Nf5 $16 {keeps fighting.}) 31. Rxa1 $2 (31. Nxb2 $18 Rxf1+ 32. Bxf1) 31... Bxa1 $11 {The position is equal.} 32. Bxd5 {Black must now prevent Qa7.} Qh3 {[%cal Rh3f1]} 33. Bg2 Qe6 {Precision: White = 34%, Black = 27%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.11"]
[Round "5"]
[White "Erdogdu, Mert"]
[Black "Silva, Luis Neves Da"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2423"]
[BlackElo "2354"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,133,9,11,19,16,16,16,12,9,8,8,8,16,8,14,43,34,36,17,16,16,35,11,8,7,15,0,8,1,1,5,2,2,6,5,5,0,0,0,0,0,13,6,7,8,14,14,14,0,0,0,15,8,9,0,22,22,30,22,30,30,36,30,30,30,31,24,25,31,27,24,31,31,31,7,31,31,31,31,31,31,31,31,34,24,24,24,24,24,24,0,16,0,25,0,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 a6 5. c5 (5. cxd5 exd5 6. Bf4 Bd6 7. Bg3 O-O 8. e3 Bf5 9. Qb3 Bxg3 10. hxg3 Nc6 11. Be2 Qd6 12. O-O Ne7 13. Ne5 h5 {0-1 (39) Karjakin,S (2783)-Adams,M (2761) Shamkir 2017}) 5... Be7 6. Bf4 {LiveBook: 15 Games. D37: Queen's Gambit Declined: 5 Bf4} Nh5 7. e3 Nxf4 8. exf4 b6 9. b4 a5 10. a3 $1 axb4 11. axb4 Rxa1 12. Qxa1 bxc5 13. bxc5 O-O 14. Bd3 $146 Nc6 15. O-O Bf6 16. Ne2 Bd7 17. Qc3 g6 18. g3 Qb8 19. Rb1 Qa7 20. Ne5 Bxe5 21. fxe5 Rb8 22. Rxb8+ Qxb8 23. f4 Qb4 24. Qxb4 Nxb4 $11 {[%mdl 4096] Endgame KBN-KBN} 25. Bb1 Bb5 26. Nc3 Bc4 27. Kf2 h5 28. Ke3 Kf8 29. Kd2 Nc6 30. Ke3 Nb4 31. Nd1 Ke7 32. Kd2 Kd7 33. Kc3 Nc6 34. Bc2 Bb5 35. Ne3 Ne7 36. h3 Kd8 37. g4 (37. Kb4 $5 {[%cal Rb4b5]} Be2 38. Ba4 $14) 37... hxg4 38. hxg4 Bd7 39. Bd1 Ke8 40. Bf3 Bc6 41. Nc2 Bb5 42. Nb4 Kd7 43. Bd1 Ke8 44. Kd2 Kd7 45. Bc2 Ke8 46. Ke3 Kf8 47. Na2 Kg7 48. Nc3 Bd7 49. Bd3 Kh6 50. Kf3 Nc6 51. Ke3 Ne7 52. Kf2 g5 {The position is equal.} 53. Ke3 (53. f5 $5) 53... gxf4+ 54. Kxf4 Bc6 55. Ne2 Ba4 56. Ng3 Bd1 57. g5+ Kg7 58. Ke3 Bg4 59. Bc2 Nc6 60. Ba4 Ne7 61. Bb5 (61. Kf4 {is more complex.} Bh3 62. Nh5+ Kf8 63. Nf6 Nf5 64. Ne8) 61... Nf5+ 62. Nxf5+ Bxf5 63. Kf4 Kg6 64. Be2 Kg7 65. Bh5 Bg6 66. Bf3 Bb1 67. Bh5 {Precision: White = 56%, Black = 74%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.11"]
[Round "5"]
[White "Portela Peleteiro, Alberto"]
[Black "Petkov, Vladimir"]
[Result "0-1"]
[ECO "B83"]
[WhiteElo "2397"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,74,17,40,-22,33,0,14,-53,-45,-52,-52,-50,-52,-52,-45,-49,-23,-23,-22,-31,-14,-11,-7,-12,-19,-41,-57,-58,-58,-54,-52,-61,-55,-66,-52,-52,-52,-52,-54,-54,-67,-80,-80,-393,-409,-393,-194,-452,-456,-464,-461,-533,-531,-519,-503]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 d6 7. O-O Be7 8. f4 O-O 9. Kh1 Bd7 10. Nb3 a5 {B83: Sicilian Scheveningen: 6 Be2, lines without ...a6} 11. a4 Nb4 {LiveBook: 12 Games} 12. e5 (12. Nd4 $14) 12... Ne8 ({Better is} 12... dxe5 $11 13. fxe5 Nfd5) 13. Be3 $146 ({Predecessor:} 13. Nb5 Bxb5 14. axb5 a4 15. Nd4 dxe5 16. fxe5 Bc5 17. c3 Bxd4 18. cxd4 {½-½ (51) Smagin,S (2520)-Boensch,U (2530) Berlin East 1990}) 13... Bc6 14. exd6 (14. Bg1 $1 $11) 14... Nxd6 $15 15. Nd4 Nf5 16. Nxc6 bxc6 17. Bg1 Qxd1 (17... Qc7 {is more complex.} 18. Bg4 Bf6 19. Qe2 Nd5 20. Nxd5 cxd5 21. Rad1 Rfe8) 18. Bxd1 Rfd8 19. Ne4 Rab8 20. b3 g6 21. g4 Nd6 22. Nxd6 Bxd6 23. Be2 Nxc2 24. Rac1 Nb4 25. f5 exf5 26. gxf5 g5 $36 {[%mdl 2048] Black has some pressure.} 27. f6 Bf4 28. Rc5 Rd5 29. Bc4 Rxc5 30. Bxc5 Nd5 31. Re1 h5 32. Re7 $2 {[%mdl 8192]} (32. Kg2 $17) 32... Nxe7 $19 33. fxe7 g4 {[#]} (33... Bd2 $142 {Hoping for ...Re8.} 34. Bb6 Re8) 34. Bf1 $2 {[#]} (34. b4 $1 {[%mdl 512] keeps fighting.}) 34... Bg5 $1 {Black is clearly winning.} 35. Bg2 Rc8 36. Bd6 f5 37. Bf1 Re8 {Precision: White = 28%, Black = 60%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.11"]
[Round "5"]
[White "Konguvel, Ponnuswamy"]
[Black "Pena Gomez, Manuel"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2383"]
[BlackElo "2468"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,154,15,31,8,27,30,47,25,43,61,79,61,71,75,66,62,75,76,87,96,75,67,46,40,47,26,37,26,28,12,22,0,0,0,36,0,25,35,39,46,39,35,21,30,29,28,53,62,57,58,61,48,52,56,47,65,51,58,57,27,103,115,100,99,113,97,114,0,0,0,0,0,0,0,0,0,0,0,0,-22,-4,-47,-45,-123,-106,-172,-143,-172,-158,-259,-90,-153,-43,-124,-93,-107,-72,-785,-637,-29975,-29980,-29980,-29981,-29981,-29974,-29977,-29978,-29978,-29979,-29979,-29978,-29981,-29982,-29982,-29983,-29983,-29982,-29982,-29981,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29989,-29989,-29990]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. O-O-O Bb4 9. f3 {[%cal Bf2f3,Bf3f4][%mdl 32]} O-O {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} (9... Ne7 10. Nde2 b5 11. Kb1 Ba5 12. Qd4 Nc6 13. Qc5 Bb4 14. Qb6 Ba5 15. Qc5 Bb4 16. Qb6 Ba5 17. Qxc7 Bxc7 {½-½ (95) Amonatov,F (2620)-Wei,Y (2707) Doha 2016}) 10. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Ne5 {LiveBook: 36 Games} 11. Rg1 (11. g5 $5 {[%cal Rg5f6]} Ne8 12. f4 $14) 11... d5 {aiming for ...dxe4.The position is equal.} 12. g5 Nh5 13. f4 Nc4 14. Bxc4 $1 Qxc4 15. Nde2 {[%cal Re4d5]} dxe4 16. Qe1 $1 Bc5 $146 ({Predecessor:} 16... Be7 17. Bd4 g6 {1-0 (32) Gburek,J (2465)-Karacsony,Z (2470) ICCF email 2012}) 17. Qf2 b6 18. Bxc5 Qxc5 19. Qxc5 ({But not} 19. Nxe4 $6 Qxf2 20. Nxf2 Bb7 $11) 19... bxc5 20. Nxe4 Bb7 21. N4c3 g6 22. Rd7 Bc6 23. Rd6 Rac8 24. Rgd1 Rfe8 (24... h6 $5) 25. Ng3 Nxf4 26. Nge4 {Strongly threatening Nf6+.} Ne2+ 27. Kd2 {Threatens to win with Nf6+.} Nxc3 28. Nf6+ Kh8 29. Kxc3 Rf8 30. Rf1 Kg7 31. Ng4 Rfd8 32. Rfd1 $1 Rxd6 33. Rxd6 $11 {[%mdl 4096] Endgame KRB-KRN} Kf8 34. Ne5 {[%mdl 1024] White has compensation.} Bb5 $1 35. b3 Ke7 36. Rb6 f6 37. Rb7+ Kd6 38. Nf7+ $1 Kc6 39. Re7 fxg5 (39... f5 $11 {keeps the balance.}) 40. a4 $16 ({Don't play} 40. Nxg5 $6 h6 $11) 40... Bf1 41. Rxe6+ Kd7 42. Nxg5 Rf8 {White should prevent ...h6.} 43. Re1 ({Better is} 43. Rb6 $16) 43... h6 $11 44. Ne4 Kc6 45. Nd2 Bh3 46. Re3 Bc8 47. Nc4 Rf2 48. Ne5+ Kc7 49. Nd3 ({Not} 49. Nxg6 $2 Bf5 $19) 49... Rxh2 50. Nxc5 h5 {[%cal Bh6h5,Bh5h4,Bh4h3,Bh3g2][%mdl 32]} 51. b4 (51. Re7+ $15 Kc6 52. Nd3) 51... h4 $1 $17 52. Ne6+ (52. Re7+ $17 Kd6 53. Re8) 52... Kd6 $19 53. Nd4 h3 54. Rg3 (54. Re8 $17 Bd7 55. Rh8) 54... Ke5 $2 (54... Rg2 $19 55. Rxg2 hxg2) 55. Rxg6 $17 {[#] And now Nf3+ would win.} Rg2 (55... Rf2 $1 $17 {...h2 is the strong threat.} 56. Rh6 Kf4 57. Ne6+ Bxe6 58. Rxe6 h2) 56. Rxg2 ({White should try} 56. Rh6 $15) 56... hxg2 $15 {KB-KN} 57. Ne2 Bd7 {Hoping for ...Ke4.} 58. b5 $2 {[%mdl 8192]} (58. Kd3 $17) 58... axb5 $19 59. axb5 Bxb5 {Black mates.} 60. Ng1 Ke4 61. Kd2 Bc4 62. Ke1 Ke3 63. Nh3 Be6 64. Ng1 Bg4 65. c4 Be6 66. c5 Bg4 67. c6 Be6 68. Ne2 Bc8 69. Ng1 Bg4 70. c7 Be6 71. Ne2 Bc8 72. Ng1 Bg4 73. c8=Q Bxc8 74. Ne2 Be6 75. Ng1 Bg4 76. Ne2 Kf3 77. Ng1+ {[#]} Kg3 $1 {Precision: White = 55%, Black = 65%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "6"]
[White "Petkov, Vladimir"]
[Black "Firat, Burak"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2498"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 40,43,0,0,5,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bxd6 Qxd6 11. O-O O-O 12. Rfc1 Rfc8 13. a3 a6 14. Rc2 Rc7 15. Rac1 Rac8 16. h3 h6 17. Ne2 {D14: Slav Defence: Exchange variation with ...Bf5} (17. Nd2 Na5 18. Ne2 Rxc2 19. Rxc2 Rxc2 20. Qxc2 Qc6 21. Qxc6 Nxc6 22. Nc3 Kf8 23. Kf1 Ke7 24. Ke2 Kd6 {½-½ (42) Dreev,A (2667)-Mamedyarov,S (2743) Dubai 2014}) 17... Ne7 18. Rxc7 Rxc7 19. Rxc7 Qxc7 20. Qc3 Qxc3 21. Nxc3 {[#] LiveBook: 15 Games} Ne8 $146 ({Predecessor:} 21... Nc6 22. Kf1 Kf8 23. Ke2 Ke7 {½-½ (31) Spasov,V (2594)-Radulski,J (2571) Albena 2011}) 22. Ne5 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "6"]
[White "Pap, Misa"]
[Black "Burmakin, Vladimir"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2491"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,150,62,75,66,77,31,33,32,31,12,32,32,32,0,0,0,0,0,0,0,0,0,0,-25,-24,-29,-36,-35,-31,-29,-29,-39,-45,-31,-12,0,0,0,0,0,0,0,29,38,57,0,0,0,46,69,29,16,92,91,89,95,104,102,210,207,175,91,109,50,47,0,29,36,42,0,60,45,166,0,0,-170,-194,-413,-349,-2210,-2252,-1740,-920,-2300,-2193,-1939,-2058,-1827,-1919,-1787,-1409,-1372,-1228,-2593,-2973,-2705,-2662,-2722,-1685,-12837,-12837,-12837,-12838,-12838,-12839,-12839,-12839,-12838,-12838,-12843,-12843,-12843,-12844,-12844,-12845,-12845,-12845,-12846,-12846,-12847,-12847,-12848,-12849,-12849,-12849,-12850,-12849,-12850,-12849,-12850,-12849,-12849,-12849,-12849,-12848,-12849,-12849]} 1. e4 c6 2. d4 d5 3. Nd2 g6 4. h3 Bg7 5. Ngf3 Nh6 6. Bd3 O-O 7. O-O Nd7 {B12: Caro-Kann: Advance Variation} 8. Re1 Re8 {LiveBook: 3 Games} 9. e5 f6 {White is slightly better.} 10. exf6 $146 (10. Nb3 {seems wilder.} a5 11. a4 fxe5 12. dxe5 e6 13. c4) ({Predecessor:} 10. Nb3 Nf8 11. Bf4 Ne6 12. Bh2 f5 13. c4 b6 14. cxd5 cxd5 15. Nfd2 {½-½ (37) Tiviakov,S (2623)-Schetinin,A (2257) Moscow 2011}) 10... exf6 11. Rxe8+ Qxe8 12. Nf1 Nf8 13. c3 Be6 14. g4 Qd7 15. Bf4 Nf7 16. Ng3 Re8 17. Qc2 Bxg4 18. hxg4 Qxg4 19. Bc1 Qxf3 20. Be2 {[#]} Rxe2 $1 21. Qxe2 Qxe2 22. Nxe2 Ne6 23. a4 Bf8 24. Nf4 Ned8 25. b4 Nd6 26. b5 g5 27. Nh5 Kf7 28. Ba3 Kg6 29. Ng3 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 30. Bc5 (30. Rb1 $14) 30... b6 $11 31. Bb4 h4 32. Nf1 Kf7 33. Ne3 (33. Bxd6 $5 Bxd6 34. Ne3 $11) 33... Ne4 (33... Nc4 $11) 34. Bxf8 Kxf8 35. bxc6 Nxc6 36. Nxd5 $16 {[%mdl 4096] Endgame Black must now prevent Re1. KRN-KNN} Kf7 (36... g4 $16 {is a better defense.}) 37. Re1 $18 Nd6 38. Nc7 (38. Kg2 $18) 38... Nc4 $16 39. Kg2 (39. Re8 $16) 39... Ne7 $14 40. Nb5 Nd5 41. Nxa7 g4 42. Nc6 Nf4+ ({Black should play} 42... Nd2 $1 $11) 43. Kh1 $1 Nd2 {[#]} (43... Kg6 $14) 44. Re3 $2 (44. d5 $1 $18 Nf3 (44... Nxd5 45. Rd1) 45. Re4 (45. Re7+ Kg6 $16) 45... Nxd5 46. Rxg4) 44... Nh3 $1 $11 {[%cal Rh3f2]} 45. Re2 $2 (45. Rxh3 $11 gxh3 46. Kh2) 45... Ne4 $1 $19 46. c4 $2 (46. d5) 46... Nhxf2+ 47. Rxf2 $2 (47. Kg1 g3 48. d5) 47... Nxf2+ {KN-KN. Black is clearly winning.} 48. Kg2 Nd3 49. c5 bxc5 50. a5 Nf4+ 51. Kg1 c4 {[%cal Bc5c4,Bc4c3][%mdl 32]} 52. a6 Nd5 53. a7 Nb6 54. d5 c3 55. Nd4 Ke7 56. Kf2 Kd7 57. Ke2 h3 58. Kf2 f5 {[%cal Bf6f5,Bf5f4][%mdl 32]} 59. Kg3 {[#]} f4+ $1 60. Kh2 (60. Kxf4 h2) 60... Na8 61. d6 Nb6 62. Kh1 g3 63. Kg1 f3 64. Nxf3 c2 65. Ne5+ Kxd6 {[%cal Rc2c1]} 66. Nd3 Kc7 67. Kf1 Kb7 68. Kg1 Kxa7 69. Kh1 Nd5 70. Kg1 Kb6 71. Kh1 Kb5 72. Kg1 Kc4 73. Nc1 Kc3 {( -> ...Nf4)} 74. Kh1 Kd2 75. Nb3+ Kd1 {Precision: White = 43%, Black = 64%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "6"]
[White "Lillo Castany, Victor"]
[Black "Garcia Romero, Benjamin Abel"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2382"]
[BlackElo "2217"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,71,27,60,35,57,22,77,65,62,57,170,178,301,163,210,185,258,168,309,116,145,158,319,287,335,335,327,277,291,248,387,387,406,404,410,325,368,363,360,357,367,371,366,370,412,400,504,488,496,441,739,622,631,620,5377,2210,29966,29967]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Bb4 9. Re1 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} (9. Nce2 Bc5 10. Bg5 b5 11. a4 Bb7 12. axb5 Nxd4 13. Nxd4 Qe5 14. Nf3 Qxb2 15. Rb1 Qa2 16. Ne5 d6 17. Bxf6 gxf6 {½-½ (62) Vidit,S (2673)-Meskovs,N (2490) chess.com INT 2017}) 9... h5 10. Bg5 $146 (10. a3 $5 {[%cal Ra3b4]} Bxc3 11. bxc3 $14) ({Predecessor:} 10. Nxc6 dxc6 11. e5 Nd5 12. Qd4 Qb6 13. Qd3 Nxc3 14. bxc3 Bc5 15. Rd1 Bxf2+ 16. Kh1 Qc7 {0-1 (53) Dovzik,J (2406)-Schmidt,G (2335) Austria 2007}) 10... Ng4 (10... Ne5 $11) 11. Nxc6 $16 {White is better.} bxc6 12. Qd4 Bd6 ({Black should play} 12... Bf8 $14) 13. Qxg7 $18 Rf8 (13... Be5 $142 14. Bf4 Bxg7 15. Bxc7 Ra7) 14. Qd4 (14. e5 $142 Bxe5 15. Rxe5 Qxe5 16. Ne4) 14... Be5 15. Qd2 $40 {[%mdl 128] White attacks with force.} Rg8 (15... Qd6 $142 16. Qxd6 Bxd6) 16. Nd1 f6 {[#]} (16... Qd6 {was worth a try.} 17. h3 Qxd2 18. Bxd2 Nf6) 17. Bf4 $2 (17. Bh4 $1 $18 {and the rest is easy.}) 17... h4 {next ...Bxf4 is good for Black.} 18. Bxe5 Qxe5 $2 (18... Nxe5 $16 {is a better defense.} 19. Qh6 hxg3) 19. h3 hxg3 20. hxg4 Rxg4 21. fxg3 Rxg3 22. Re3 Qg5 (22... Rg7 $142 23. Rf3 Bb7) 23. Qf2 Rg4 24. Rf3 Qg7 25. Nc3 Bb7 26. Rf1 O-O-O 27. Rxf6 Kc7 28. Rf4 Rg5 {[#] Strongly threatening ...Rg8.} 29. Rf7 Qg6 {Hoping for ...Rg8.} 30. Qf4+ e5 31. Qd2 Rg3 32. R1f6 Qg4 (32... Qg5 $142 33. Qd6+ Kc8) 33. Qd6+ Kc8 34. Rf2 {Na4 is the strong threat.} Re3 35. Rf8 {Threatening mate with Rxd8+.} Re1+ 36. Kh2 {Precision: White = 54%, Black = 26%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "6"]
[White "Silva, Luis Neves Da"]
[Black "Strikovic, Aleksa"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2354"]
[BlackElo "2500"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,112,72,66,65,67,111,104,102,110,165,163,165,171,186,160,174,179,185,212,194,187,197,87,61,27,29,26,70,64,68,54,55,49,50,45,32,34,45,19,83,74,127,132,129,62,74,59,64,31,29,24,45,31,34,34,46,46,50,0,0,0,0,0,0,-32,0,0,-2,-3,0,0,0,0,0,-69,-39,-49,-45,-93,-93,-93,-95,-197,-95,-95,-12,-29992,-29993,-29993,-29994,-29994,-5072,-29995,-29996]} 1. d4 g6 2. e4 Bg7 3. c4 d6 4. Nc3 e5 5. Nf3 Nd7 6. Be2 Ngf6 7. O-O O-O 8. Qc2 c6 9. Rd1 Re8 10. d5 Qc7 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} (10... c5 11. Bg5 Qe7 12. a3 b6 13. b4 h6 14. Bd2 Nh5 15. g3 Ndf6 16. Nh4 Ng4 17. f3 Ngf6 18. Rab1 Nh7 19. bxc5 bxc5 {0-1 (34) Shchekachev,A (2531)-Fressinet,L (2702) Berlin 2015}) 11. Be3 {LiveBook: 6 Games} Ng4 12. Bg5 f6 {White is slightly better.} 13. Bd2 $146 ({Predecessor:} 13. Bh4 Nh6 14. Nd2 g5 15. Bg3 Nf8 16. b4 f5 17. exf5 Nxf5 18. Nde4 {1-0 (36) Marin,M (2579)-Nielsen,M (1942) Helsingor 2015}) 13... Qb6 14. Rf1 c5 (14... Nh6 $16 15. h3 Nf7) 15. Qc1 $18 f5 16. Nh4 Qd8 17. g3 Nf8 18. exf5 gxf5 19. Bxg4 fxg4 20. Bg5 Qc7 21. Ne4 (21. Qc2 $18 {is more deadly.}) 21... Ng6 $16 22. Nxg6 hxg6 23. f3 {Hoping for fxg4.} Bf5 24. Nf6+ Bxf6 $1 25. Bxf6 Qh7 $1 26. Qg5 Qh5 $1 27. Qxh5 gxh5 28. fxg4 Bxg4 29. Bg5 {Threatening Rf6.} Bh3 (29... a5 $11 {keeps the balance.}) 30. Rf6 Rf8 (30... Rad8 $142) 31. Rg6+ $1 Kh7 32. Rh6+ ({White should play} 32. Rxd6 $16 Bg4 33. Re1) 32... Kg7 $14 33. Rxh5 (33. Rxd6 $6 Rf5 $18) 33... Rh8 34. Rxh8 (34. Rh4 {with more complications.} Kf7 35. Rc1 Rxh4 36. gxh4 Rf8 37. Rc3) 34... Rxh8 {[%mdl 4096] Endgame KRB-KRB} 35. Kf2 Kf7 36. Re1 Rg8 37. Bd2 Rg4 38. b3 a6 39. Kf3 b5 40. cxb5 axb5 41. Be3 b4 42. a4 bxa3 {Threatens to win with ...Rb4.} 43. Ra1 Rb4 44. Rxa3 Kf6 45. Ra6 Kf5 46. Rxd6 Rxb3 47. Ke2 (47. Rc6 $11) 47... c4 {[%mdl 1024] Black has compensation.} 48. Rb6 Ra3 {Strongly threatening ...Ra2+.} 49. d6 Ra2+ $1 50. Kd1 Ke4 $1 {[%cal Re4e3]} ({Worse is} 50... Rxh2 51. d7 $16) 51. Bg5 (51. d7 $17 Bg4+ 52. Kc1 Bxd7 53. Bd2) 51... Kd3 ({Don't take} 51... Rxh2 52. Kc1 $15) (51... c3 $1 $19 {And now ...Kd3 would win.} 52. Kc1 Kd3) 52. Kc1 $17 Kc3 ({Of course not} 52... Rxh2 $6 53. d7 $1 $14 {[%mdl 512]}) (52... c3 $1 $17 {White must now prevent ...Bf5.} 53. Kb1 Ra4) 53. Bf6 $2 {[%mdl 8192] [#]} (53. Rb5 $11) 53... Re2 $1 {[%cal Re2e1]} 54. Kb1 Bf5+ 55. Ka1 Bc2 (55... Re1+ $142 56. Ka2 Bc2 57. Rb1 Bxb1+ 58. Ka3 Bc2 59. Bxe5+ Rxe5 60. h4 Ra5#) 56. Bxe5+ Rxe5 {Precision: White = 49%, Black = 46%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "6"]
[White "Sanchez Aller, Fernando"]
[Black "Huerga Leache, Mikel"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2337"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,70,40,-13,1,-8,18,17,12,19,22,-18,0,-4,-10,-14,-11,-12,-8,-7,-10,-12,-10,-35,-37,-38,-6,-39,-16,-21,-18,-20,-16,-28,-27,-23,-35,-35,-20,-35,-22,-97,0,-200,-196,-203,-197,-218,-222,-231,-193,-194,-194,-195,-194,-359,-359,-340,-344,-373,-365,-523,-520]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 Nc6 4. d4 Bf5 5. O-O e6 {[#]} 6. b3 (6. c4 $1 $14 {[%mdl 512]}) 6... Be7 $11 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (6... h6 7. Bb2 a5 8. Ne5 Nxe5 9. dxe5 Ne4 10. c4 dxc4 11. Qc1 cxb3 12. Rd1 Qc8 13. Nd2 Nc5 14. Nxb3 {1-0 (53) Valsecchi,A (2376)-Petkov,V (2542) Padova 2011}) 7. Bb2 O-O 8. Nbd2 Ne4 {The position is equal.} 9. a3 Bf6 10. b4 $146 ({Predecessor:} 10. e3) 10... Nxd2 11. Qxd2 Be4 12. Ne5 Bxg2 13. Nxc6 Qe8 14. Kxg2 Qxc6 15. a4 Rfe8 16. b5 Qd7 17. e3 c6 18. Qb4 Rac8 19. Rfb1 Be7 20. Qb3 c5 {[%cal Bc6c5,Bc5d4][%mdl 32]} 21. c4 cxd4 22. cxd5 dxe3 {Hoping for ...Bc5.} 23. dxe6 Qxe6 24. Qxe6 fxe6 25. Bd4 (25. fxe3 $11 {keeps the balance.} Rc2+ 26. Kh3) 25... Bf6 (25... e2 $1 $17 {Threatens to win with ...Red8.} 26. Re1 e5 $1 {[%mdl 512]}) 26. Bxe3 $2 (26. Bxf6 $11 gxf6 27. fxe3) 26... Bxa1 $19 27. Rxa1 $11 {[%mdl 4096] Endgame KRR-KRB} a6 {[%cal Ba7a6,Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 28. Rb1 a5 29. Bd2 b6 30. Be3 {[#]} Rc4 $1 31. Bxb6 Rxa4 32. Bc7 $2 (32. Bc5) 32... Rb4 $19 33. Ra1 a4 ({But not} 33... Rxb5 34. Rxa5 Rxa5 35. Bxa5 $19) 34. b6 Ra8 35. Rd1 (35. Ra3 {was necessary.}) 35... a3 {Precision: White = 37%, Black = 53%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "6"]
[White "Ambartsumova, Karina"]
[Black "Yuffa, Daniil"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2325"]
[BlackElo "2515"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,42,12,6,6,8,4,41,22,8,-32,-30,-34,-11,0,0,0,35,29,50,0,0,0,0,0,0,0,51,0,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 a6 5. Qc2 Bg4 6. Ne5 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} (6. Nbd2 e6 7. Bd3 dxc4 8. Nxc4 Bxf3 9. gxf3 c5 10. dxc5 Bxc5 11. a3 b5 12. Ne5 Nbd7 13. Nxd7 Nxd7 {1-0 (39) Dreev,A (2667)-Laznicka,V (2679) Dubai 2014}) 6... Bh5 7. Nd2 e6 8. Bd3 Nbd7 {LiveBook: 4 Games} 9. Nxd7 Qxd7 10. O-O Rc8 $146 ({Predecessor:} 10... Bg6 11. b3 Bb4 12. Nf3 Bxd3 13. Qxd3 O-O {½-½ (13) Siebrecht,S (2394)-Van Delft,M (2372) Hamburg 2006}) 11. b3 c5 12. dxc5 Bxc5 13. Bb2 Bb4 14. Nf3 Bxf3 15. gxf3 dxc4 (15... Qe7 {feels hotter.} 16. f4 O-O 17. Rad1 Rfd8 18. Qe2 Rd7) 16. bxc4 Qc6 17. Bxf6 gxf6 18. Be4 Qxc4 19. Qxc4 Rxc4 20. Bxb7 Rg8+ 21. Kh1 a5 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "6"]
[White "Garcia Trobat, Francisco"]
[Black "Erdogdu, Mert"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2282"]
[BlackElo "2415"]
[Annotator "TA"]
[PlyCount "158"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,158,0,0,-10,29,0,0,-5,-10,-18,-29,-35,-42,-83,-59,-110,-66,-68,-77,-77,-62,-39,-39,-33,-25,-15,-14,-14,-14,-25,-10,-19,-14,-45,-39,-195,-37,-18,-31,-56,-6,-11,0,-8,71,71,127,136,127,106,120,110,144,109,126,75,75,75,75,75,75,68,75,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,75,68,75,68,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,0,75,0,75,8,19,30,45,8,28,28,28,27,27,27,27,15,15,15,15,15,15,15,22,15,15,15,15,15,15,15,15,0,8,0,0,0,8]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 c6 6. Be2 {A45: Trompowsky Attack} (6. Nf3 Bg4 7. Be2 Nbd7 8. Ne5 Bxe2 9. Qxe2 h5 10. O-O-O Qa5 11. Kb1 {1-0 (44) Karjakin,S (2781)-Giri,A (2771) Stavanger 2017}) 6... h5 {LiveBook: 6 Games} 7. Qd2 Qb6 $146 ({Predecessor:} 7... Bf5 8. Nf3 Nbd7 9. Ng5 Nh7 10. f3 Nxg5 11. Bxg5 {1-0 (43) Sethuraman,S (2653)-Valencia,B (2277) Edmonton 2016}) 8. Nf3 {White has an edge.} Qxb2 9. Rb1 Qa3 10. O-O {[#] Strongly threatening Rb3.} O-O 11. Bc7 e6 12. Ng5 Qe7 13. Ba5 (13. Bg3 $15) 13... b6 14. Bb4 c5 15. dxc5 bxc5 16. Ba3 Nbd7 17. Na4 a5 $36 {[%mdl 2048] Black has good play.} 18. c4 Ba6 19. Rfc1 dxc4 20. Bxc4 Bxc4 21. Rxc4 {[%cal Ra4c5]} Ne5 22. Rc2 Rfd8 23. Qc3 $2 (23. Qe2 $15) 23... Nfd7 $2 (23... Nfg4 $19 24. Qb3 Qd6) 24. Bxc5 $15 Nxc5 25. Qxc5 Qxc5 26. Nxc5 Ra7 27. Kf1 Rc8 (27... Rc7 $11 28. Rb7 Rdc8 29. Rxc7 Rxc7) 28. Ncxe6 $1 $16 Re8 (28... Raa8 $142 29. Rxc8+ Rxc8) 29. Nxg7 Kxg7 30. f3 Nd3 {[#]} 31. e4 $1 Nb4 32. Rd2 Rc8 33. Nh3 (33. a3 $142 Nc2 34. Rb3) 33... Rc3 34. Nf4 Ra3 35. Rbb2 Rc7 36. Ne2 Rc4 37. Rb3 Rxa2 38. Rxa2 Nxa2 $14 {[%mdl 4096] Endgame KRN-KRN} 39. Ra3 Nc1 40. Rxa5 Nxe2 41. Kxe2 {KR-KR} Rc2+ 42. Kf1 Kf6 43. Kg1 Rb2 44. Kh2 Rc2 45. Kg3 Rb2 46. Ra1 Ke5 47. Ra6 Rc2 48. Ra5+ Kf6 49. Rg5 Kg7 50. Rb5 Kf6 51. Kh3 Rc3 52. Rd5 Ra3 53. Kg3 Rb3 54. Kf4 Rb4 55. Rd6+ Kg7 56. Ra6 Rb2 57. g3 Rb3 58. Ra5 Rc3 59. Ra7 Rc4 60. Ra3 Rb4 61. Ra6 ({White should try} 61. Ra8 $16) 61... Rc4 (61... Rb3 $11) 62. Ra5 ({Better is} 62. Rb6 $16) 62... Rb4 (62... Rc3 $11) 63. g4 (63. Ra3 $16) 63... hxg4 $11 64. Kxg4 ({Much less strong is} 64. fxg4 Rb1 $16) 64... Rb1 65. h5 gxh5+ (65... f5+ $5 66. exf5 gxh5+ 67. Kxh5 Kf6 $14) 66. Rxh5 f6 67. Rh3 Kg6 68. Rg3 Kf7 69. f4 Ke6 {The position is equal.} 70. Ra3 {next Ra6+ is good for White.} f5+ 71. exf5+ Kf6 72. Ra6+ Kf7 73. Rc6 Rg1+ 74. Kf3 Rf1+ 75. Ke3 Re1+ 76. Kf2 Ra1 77. Ke3 Re1+ 78. Kd4 Rd1+ 79. Ke3 Re1+ {Precision: White = 46%, Black = 68%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "6"]
[White "Padeiro, Jose"]
[Black "Espineira Gonzalez, Diego"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2255"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,80,42,23,25,21,31,15,43,26,56,58,56,39,37,10,31,0,0,0,-11,-6,0,0,0,0,0,0,0,0,0,0,0,-16,0,-4,0,-25,-5,-11,0,-72,-28,-20,-31,-32,-24,-60,-47,-111,-102,-100,-15,-164,-152,-170,-108,-194,-100,-153,-162,-158,-148,-593,-587,-979,-964,-29991,-29992]} 1. d4 e6 2. c4 Nf6 3. Nf3 Bb4+ 4. Bd2 a5 5. g3 d6 6. Bg2 Nbd7 7. O-O e5 8. Be3 exd4 {E11: Bogo-Indian} 9. Bxd4 O-O 10. Qc2 Re8 {The position is equal.} 11. Nc3 c6 12. Rad1 Qe7 13. a3 Bc5 14. Rd2 {[#]} Nb6 $146 ({Find the theoretical novelty and annotate with similar games:} 14... Bxd4 15. Nxd4 Nb6 16. Qb3 {0-1 (66) Le,Q (2715)-Bruzon Batista,L (2673) Khanty-Mansiysk 2011}) 15. b3 (15. Bxf6 {is more complex.} Qxf6 16. Ne4 Qf5 17. Nd4 Qg6 18. Nb3) 15... Bxd4 16. Rxd4 d5 17. cxd5 Nbxd5 18. Nxd5 cxd5 19. e3 Qxa3 20. Nd2 $1 {[%cal Bf3d2,Bd2b1,Bb1c3,Bc3e2,Be2d4][%mdl 32]} Be6 21. Nb1 $1 {[%cal Rb1a3]} Qd6 22. Nc3 Rac8 23. Qb2 Qc5 24. Rc1 Rc6 (24... Ne4 $5 25. Bxe4 dxe4 $11) 25. Ne2 Qb6 $36 {[%mdl 2048] Black fights for an advantage.} 26. Ra1 Rec8 {White must now prevent ...Rc2.} (26... Rc4 $5) 27. Rd2 (27. Qa3 $11) 27... Ne4 28. Bxe4 $1 dxe4 29. Nd4 Rc5 30. Qb1 g6 31. Qd1 (31. Kg2 $1 $15) 31... h5 $17 32. Rda2 Rc3 (32... Bg4 $17 33. Qe1 Bh3) 33. Rb2 (33. Rxa5 $11 Bxb3 34. Qd2) 33... Bg4 $19 34. Qf1 {[#]} Qc5 (34... a4 $1 $19 {[%cal Ra4b3][%mdl 512]} 35. Qb1 (35. Rxa4 Rc1) 35... Bh3) 35. h3 {[#]} (35. Rbb1 $17 {was necessary.}) 35... Bd7 (35... Rc1 $1 $19 {[%cal Rc1f1]} 36. Qxc1 Qxc1+ 37. Rxc1 Rxc1+ 38. Kg2 Bd1) 36. Kh2 ({Better is} 36. Rd2) 36... Rc1 $17 37. Rxc1 Qxc1 38. Qe2 $2 {[%mdl 8192] [#]} (38. Qxc1 $17 Rxc1 39. Ne2) 38... Bxh3 $1 $19 {[%mdl 512]} 39. Ra2 (39. Kxh3 Qh1#) 39... Bg4 40. Qd2 Qf1 {Precision: White = 32%, Black = 58%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "7"]
[White "Burmakin, Vladimir"]
[Black "Strikovic, Aleksa"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2520"]
[BlackElo "2500"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,56,25,34,15,35,11,33,39,30,39,117,124,110,113,113,104,108,105,102,60,60,57,74,57,38,52,51,71,68,57,57,39,50,0,0,0,0]} 1. d4 d6 2. g3 g6 3. Bg2 Bg7 4. Nf3 Nf6 5. O-O O-O 6. Re1 Nbd7 7. e4 e5 8. Nc3 c6 9. a4 a5 10. h3 Re8 11. Be3 exd4 12. Bxd4 {B07: Pirc Defence: Miscellaneous Systems} Nb6 $146 ({Find the theoretical novelty and annotate with similar games:} 12... Qc7 13. Qd2 Ne5 14. Nh2 Nc4 15. Qg5 Qd8 16. Na2 h6 17. Qc1 c5 18. Bc3 Nb6 19. b3 d5 20. exd5 Nbxd5 {½-½ (39) Rapport,R (2720)-Mamedyarov,S (2747) Reykjavik 2016}) 13. Rb1 c5 14. Bxf6 {White is slightly better.} Bxf6 15. Nb5 Nxa4 (15... d5 $14) 16. c3 $16 ({Don't take} 16. Nxd6 Bxb2 17. Nxe8 Qxe8 $14) 16... Nb6 17. Nxd6 Re6 18. e5 Be7 {[%cal Re7d6]} 19. Nxc8 Rxc8 20. h4 Qxd1 $1 21. Rbxd1 {[#] And now Bh3 would win.} Rec6 22. Nh2 R6c7 23. Ng4 $36 {[%mdl 2048] White has good play.} Kg7 24. Nf6 h5 25. Bf1 {Black must now prevent Bb5.} c4 26. Bh3 Ra8 27. Nd5 Nxd5 28. Rxd5 a4 {Precision: White = 47%, Black = 51%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "7"]
[White "Yuffa, Daniil"]
[Black "Cabezas Ayala, Ivan"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2515"]
[BlackElo "2300"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,57,36,33,41,72,45,53,22,9,31,114,108,105,94,183,190,201,200,357,382,390,369,589,602,936,917,1180,651,1133,408,382,386,375,383,520,525,535,522]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 c5 6. d5 d6 7. Nf3 e6 8. O-O exd5 9. cxd5 Re8 10. Bf4 a6 11. a4 Ne4 {LiveBook: 74 Games} 12. Ra3 {[%cal Ba1a3,Ba3e3,Be3e8][%mdl 32] A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} (12. Nxe4 Rxe4 13. Nd2 Rb4 14. Rb1 b5 15. b3 Qe7 16. Qc2 Nd7 17. e4 Ne5 18. h3 bxa4 19. bxa4 Rab8 20. Rxb4 Rxb4 21. Be3 Bd7 {0-1 (79) Maletin,P (2581)-Levin,E (2508) St Petersburg 2015}) 12... Nd7 $146 ({Predecessor:} 12... h6 13. Nxe4 Rxe4 14. Nd2 Rb4 15. b3 g5 16. Be3 Nd7 17. Ne4 Qe7 18. Qc2 f5 19. Nc3 c4 20. bxc4 Rxc4 {1-0 (33) Yuffa,D (2447)-Mirzaev,A (2257) Samara 2014}) 13. Nxe4 Rxe4 14. Nd2 {White is slightly better.} Rb4 15. Bxd6 Qf6 (15... Bxb2 $14 16. Re3 b5) 16. Bc7 $16 Qxb2 17. Re3 Rd4 {[#]} (17... Ne5 $16) 18. Ba5 $1 $36 {[%cal Ra5c3][%mdl 2048] Strongly threatening Bc3. White is in control.} Qa2 19. Bc3 Rxa4 $2 (19... Nf6 20. Bxd4 cxd4) 20. Re8+ Nf8 21. Qc1 Bh6 (21... Qa3 $142 22. Bxg7 Kxg7 23. Qxa3 Rxa3) 22. e3 f5 {intending ...Kf7.} 23. d6 Kf7 24. Re7+ Kg8 25. Ba1 (25. Bb2 $142) 25... Qxa1 26. Qxa1 Rxa1 27. Rxa1 Be6 28. Bxb7 Rd8 29. Rxa6 {Precision: White = 81%, Black = 24%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "7"]
[White "Oratovsky, Michael"]
[Black "Garcia Trobat, Francisco"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2494"]
[BlackElo "2282"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,91,2,28,9,9,11,5,10,28,25,30,25,58,54,68,63,62,61,60,50,107,113,111,79,79,79,79,79,91,91,91,91,91,91,101,101,101,99,99,99,99,95,99,95,141,141,141,141,148,141,163,126,133,126,126,126,150,135,234,234,234,234,234,234,234,234,347,345,308,222,200,202,550,559,1930,1734,29969,29973,29972,29974,29972,29974]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. c4 Ngf6 6. Nc3 Ne5 7. Nxe5 {B52: Sicilian: Moscow Variation with 3...Bd7} (7. O-O {is interesting.} e6 8. Rb1 Nfd7 9. d3 Be7 10. b4) 7... dxe5 8. d3 e6 9. f4 {The position is equal.} Bd6 $146 ({Predecessor:} 9... Be7 10. O-O O-O 11. fxe5 Nd7 12. Bf4 Bg5 13. g3 Be7 14. Qe2 a6 15. Rae1 {½-½ (15) Bologan,V (2585)-Serper,G (2560) Oslo 1994}) 10. f5 exf5 11. exf5 h6 12. Qf3 Qd7 13. Be3 O-O-O 14. O-O-O Rhe8 15. Bf2 Qc6 ({Better is} 15... Ng8 $14) 16. Qxc6+ $16 bxc6 17. Bh4 Be7 18. Bxf6 Bxf6 19. Rhe1 Rd4 20. Ne4 Be7 21. Kc2 Kc7 22. Re3 f6 23. Rg3 Bf8 24. Re1 a5 25. Ree3 a4 26. Rg6 Rb8 27. h4 Kd8 28. g4 Rd7 {Black wants to play ...Rdb7.} 29. Re2 Rdb7 30. Kc3 Rf7 31. Rf2 Be7 32. g5 hxg5 33. hxg5 {Hoping for Rh2.} Kc7 34. Rh2 {[#] Rh7 is the strong threat.} Kb6 (34... fxg5 $16 {is a better defense.} 35. Rh7 (35. Nxg5 Bxg5 36. Rxg5 Rbf8 $16) 35... Rbf8 36. Nxg5 (36. Rhxg7 Rxg7 37. Rxg7 Kd8 $16) 36... Bxg5 37. Rgxg7 (37. Rxg5 Kb6 $16) 37... Rxg7 38. Rxg7+ Kd8 39. Rxg5 Ke7) 35. Rh7 $18 Rg8 36. gxf6 Bxf6 37. Nxf6 Rxf6 38. Rhxg7 Rxg6 (38... Rxg7 $142 39. Rxf6 Rg2) 39. Rxg6 {[%mdl 4096] Endgame KR-KR} Rf8 40. Rg5 Kc7 41. Kd2 a3 $2 {[#]} (41... Rh8 {is a better chance.} 42. Ke3 Kd6 43. Rg6+ Kd7) 42. bxa3 Ra8 43. f6 {[%cal Bf5f6,Bf6f7][%mdl 32]} Kd6 44. f7 {White mates.} Rf8 45. Rf5 Ke6 46. Rf1 {Precision: White = 88%, Black = 60%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "7"]
[White "Firat, Burak"]
[Black "Lillo Castany, Victor"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2482"]
[BlackElo "2382"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,41,7,13,18,18,22,17,5,6,2,4,0,78,80,78,58,50,-29,-31,-68,-57,-60,-50,-58,-61,-66]} 1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. g3 Bb4+ 5. Bd2 Bd6 (5... Be7 6. Bg2 O-O 7. O-O Nbd7 8. a4 a5 9. Qc2 c6 10. Rc1 Ne4 11. Ne1 Nd6 12. Na3 b6 13. cxd5 cxd5 14. Qb3 Ba6 15. Nb5 Rc8 {½-½ (32) Aronian,L (2793)-Anand,V (2786) Stavanger 2017}) 6. Bg2 {E01: Catalan: Early deviations} c6 7. Qc2 Nbd7 8. O-O O-O 9. Rd1 Ne4 {LiveBook: 23 Games} 10. Ne1 {[%cal Bf3e1,Be1d3,Bd3b4,Bb4c2][%mdl 32]} f5 11. Nd3 g5 $146 ({Predecessor:} 11... Qf6 12. e3 Qe7 {0-1 (30) Sepp,O (2427)-Neiksans,A (2591) Finland 2015}) 12. Bb4 Bxb4 13. Nxb4 Qb6 14. Qb3 c5 (14... a5 $11 15. Nc2 Qxb3 16. axb3 b6) 15. Nc2 $16 cxd4 {[%cal Bc5d4,Bd4d3][%mdl 32]} 16. cxd5 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 17. Nba3 (17. e3 $14) 17... Qf6 $11 18. e3 {[%cal Re3d4] Black is slightly better.} Nec5 19. Qc4 $1 {[%cal Re3d4]} d3 20. Nb4 e4 21. Nb5 {Precision: White = 68%, Black = 88%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "7"]
[White "Huerga Leache, Mikel"]
[Black "Ambartsumova, Karina"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2446"]
[BlackElo "2325"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,108,15,0,0,0,67,28,41,37,59,56,46,50,45,31,127,0,205,200,204,214,204,208,217,230,208,147,154,152,160,156,162,93,183,180,175,172,166,180,170,128,125,118,118,56,69,74,92,39,37,35,35,41,101,101,101,99,64,64,66,66,97,97,97,58,101,108,166,152,161,158,166,145,202,65,65,65,65,70,70,53,53,53,53,53,53,53,53,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. O-O O-O 6. a4 a5 7. b3 e5 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} 8. dxe5 Nfd7 (8... dxe5 $11 9. Nc3 (9. Nxe5 Qxd1 10. Rxd1 Ng4 $11) 9... Nc6) (8... dxe5 9. Bb2 e4 10. Qxd8 Rxd8 11. Nfd2 Bf5 12. Nc4 Nc6 13. Nba3 Nb4 14. Ne3 Nfd5 15. Bxg7 Nxe3 {½-½ (31) Levin,F (2528)-Maze,S (2617) Belgium 2017}) 9. Bb2 dxe5 {White has an edge.} 10. Nfd2 Na6 $146 ({Predecessor:} 10... Re8 11. Nc4 h5 12. Qd2 Nc6 13. Bxc6 bxc6 14. Nxa5 Qf6 15. Nc4 {½-½ (28) Shcherbakov,R (2505)-Petrosian,K (2275) Belgorod 1991}) 11. Nc4 Nb4 12. Nba3 $36 {[%mdl 2048] White is pushing.} Qe7 13. Qd2 (13. c3 $5 {[%cal Rc3b4]} Nc6 14. Nb5 $16) 13... f5 (13... Nc5 $14) 14. c3 (14. Nb5 $1 $16) 14... Nc6 $2 (14... Na6 $1 $11 {and Black stays safe.}) 15. Nb5 $1 $18 {[%cal Rb5c7]} Nc5 16. Ba3 Rd8 {[#]} 17. Qe3 $1 {[%cal Re3c5]} Bf8 18. Bxc5 Qxc5 19. Qxc5 Bxc5 20. Nxc7 Ra7 21. Bd5+ Kg7 22. Be6 (22. Rad1 $18) 22... Kf6 (22... b6 $16 23. Bxc8 Rxc7) 23. Bxc8 Rxc8 24. Nd5+ Ke6 25. Rfd1 Ne7 26. Nxe7 Bxe7 27. e4 Rc5 28. f3 ({White should try} 28. Na3 $16) 28... b5 $14 29. axb5 Rxb5 30. Rd5 (30. Rdb1 $16) 30... Rxb3 31. Raxa5 Rxa5 32. Rxa5 {Threatens to win with Ra6+.} Rxc3 {[%mdl 4096] Endgame KRB-KRN} ({Better is} 32... fxe4 $1 $14 33. Rxe5+ (33. fxe4 Rxc3 34. Ra6+ Kf7 $14) 33... Kd7) 33. Ra6+ $16 Kf7 34. Nxe5+ Kg7 35. exf5 gxf5 36. Kg2 Rc2+ 37. Kh3 Rc7 38. Nd3 Rd7 39. Nf4 Bd6 (39... Bd8 $16 40. Ne6+ Kf7 41. Nxd8+ Rxd8) 40. Nh5+ Kf7 41. Rb6 Be5 42. Rh6 Kg8 {[#]} (42... Rd2 $16 43. Kh4 (43. Rxh7+ Kg6 $18) 43... f4) 43. f4 ({White should play} 43. Rf6 $1 $18 {[%mdl 512]}) 43... Rd6 $14 44. Rxd6 Bxd6 {KB-KN} 45. Nf6+ Kh8 $1 46. Kg2 (46. Ne8 $5 {[%cal Re8d6]} Be7 47. g4 $16) 46... Be7 47. Nd5 Bc5 $1 48. Nc7 Kg8 49. Ne6 Bb6 50. Kf1 (50. Kf3 $14) 50... h6 $1 $11 {aiming for ...Kf7.The position is equal.} 51. g4 fxg4 52. Kg2 Kf7 53. h3 gxh3+ (53... h5 $5 {[%cal Rf7e6]} 54. hxg4 Kxe6 55. gxh5 Kf7 $11) 54. Kxh3 Kxe6 {Precision: White = 61%, Black = 60%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "7"]
[White "Portela Peleteiro, Alberto"]
[Black "Pap, Misa"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2397"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "156"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,156,35,0,30,35,55,29,97,47,140,125,145,127,135,141,274,294,420,424,432,428,575,416,635,613,546,493,29997,197,320,133,133,125,138,116,172,43,25,-73,-68,-64,-61,-89,-96,-71,0,-7,-8,-23,0,-47,-57,-69,-59,-79,-77,-92,-82,-108,-95,-108,-101,-103,-106,-108,-97,-101,-101,-120,-120,-122,-120,-120,-120,-120,-119,-122,-116,-148,-109,-112,-117,-110,-108,-160,-159,-226,-177,-203,-203,-203,-203,-203,-203,-256,-184,-183,-183,-195,-195,-195,-195,-195,-195,-195,-195,-235,-195,-195,-188,-188,-164,-274,-222,-348,-341,-507,-279,-239,-203,-194,-167,-678,-678,-539,-627,-616,-592,-29979,-29980,-29979,-29981,-29981,-29982,-29981,-29981]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. Nb3 Nf6 7. Bd3 d6 8. Be3 Qc7 9. f4 a6 10. Qf3 b5 {B33: Sicilian: Pelikan and Sveshnikov Variations} (10... Be7 11. O-O-O Nb4 12. g4 b5 13. Kb1 Nd7 14. Rhf1 Nxd3 15. cxd3 b4 16. Ne2 a5 17. Rc1 Qb7 18. Nd2 O-O 19. g5 {1-0 (36) Kravtsiv,M (2623)-Fedorchuk,S (2641) Lvov 2015}) 11. O-O Bb7 12. g4 {LiveBook: 3 Games} Nd7 {The position is equal.} 13. g5 {[#]} Nc5 $146 ({Find the theoretical novelty and annotate with similar games:} 13... g6 14. Rad1 b4 15. Na4 Bg7 16. c3 O-O 17. Rc1 bxc3 18. Nxc3 Rfe8 19. Rfd1 Qd8 20. Qf2 {½-½ (60) Charbonneau,P (2444)-Schmaltz,R (2529) New York 2003}) 14. Qh3 b4 (14... Be7 $1 $11) 15. Ne2 Qc8 (15... Nxd3 $14 16. cxd3 Qd7) 16. g6 fxg6 17. Nxc5 dxc5 18. Bc4 $36 {[%mdl 2048] White is really pushing.} Nd8 (18... Nd4 $16) 19. f5 $18 Bxe4 (19... Ra7 {might work better.} 20. fxe6 Be7) 20. fxe6 Be7 21. Rad1 Ra7 {[#]} 22. Rf7 $1 {[%mdl 512]} Bf5 (22... Bxc2 $142 23. Rd5 Qc6) (22... Nxf7 23. exf7+) 23. Rxf5 gxf5 24. Qxf5 g6 {[#]} (24... Bf6 $18 25. Nf4 Bd4) 25. Qe5 $2 (25. Qf7+ $1 {[%mdl 512] NOTEXT} Nxf7 26. exf7+ Kf8 27. Bh6#) 25... Rf8 (25... O-O $142 26. Bh6 (26. Rd7 Nc6 $11) 26... Rf6) 26. Nf4 ({Inferior is} 26. Qg7 Bg5 $11) (26. Bb3 $1 $18 {[%cal Rb3a4] is the precise move to win.} Nc6 27. Ba4) 26... Nc6 $16 27. Qe4 $1 {Bb3 is the strong threat.} Rf5 28. Rd5 Na5 (28... Nd4 $16) 29. Bd3 ({Only move:} 29. Bf1 $1 $18) 29... Qc6 $1 $14 30. Rxf5 (30. c4 $11 {remains equal.}) 30... Qxe4 $17 31. Bxe4 gxf5 32. Bxf5 Nc4 33. Bf2 Bg5 ({Black should play} 33... Nxb2 $17 34. Nd5 Nd1) 34. Nd5 $11 ({Don't blunder} 34. Bxc5 $2 Rc7 $19) 34... Rg7 35. Kf1 Nd6 (35... Be7 $5) 36. Bg4 Ne4 37. Bh5+ Kd8 38. Bg1 Be7 39. Be3 Nf6 $1 {[%cal Rf6d5]} 40. Nxf6 Bxf6 41. Bxc5 $17 {[%mdl 4096] Endgame KRB-KB} Rg5 ({Much weaker is} 41... Bxb2 $6 42. Bxb4 Bf6 43. Be2 $11) 42. Bb6+ Ke7 43. Be2 Kxe6 44. Bxa6 Bxb2 45. Bc4+ Kd6 46. Be3 Rh5 47. Kg2 Be5 48. h3 Rf5 49. Bd3 Rf7 50. Bc1 Rg7+ 51. Kf2 Ra7 52. Kf3 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 53. Ke4 (53. Bc4 $142) 53... Rxa2 54. Kf5 (54. Bh6 $17 Ra8 55. Kf5) 54... Ra5 {White must now prevent ...Bb2+.} 55. Kg6 h4 56. Bg5 Bg3 57. Bd2 Kc5 58. Be3+ Kc6 59. Bd2 {[#]} Ra4 $1 {Hoping for ...b3!} 60. Kf5 Kd5 61. Bb5 {[#]} Ra5 $1 {[%cal Ra5b5]} 62. Be8 Kd4+ 63. Kg4 Ra8 64. Bf7 Rb8 65. Bb3 Ke4 66. Bc4 Rb7 67. Bh6 (67. Bd3+ {was necessary.} Kd4 68. Bf5) 67... Be1 $19 68. Bg5 (68. Be6 {keeps fighting.}) 68... Rg7 69. Kh5 (69. Bd3+ {is the only way for White.} Ke5 70. Kh5) 69... Rh7+ 70. Kg4 {And now Bd3+ would win.} Kd4 71. Bb3 Ke5 72. Bc4 $2 (72. Kf3) 72... Rg7 {aiming for ...Bd2.} 73. Kh5 Rc7 74. Bd3 Rc3 75. Bh6 {[#] intending Bg7+.} Rxd3 $1 {[%mdl 512] Black mates.} 76. cxd3 Kd4 77. Bc1 Kxd3 78. Kg4 Kc2 {Precision: White = 39%, Black = 55%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "7"]
[White "Konguvel, Ponnuswamy"]
[Black "Lazarev, Vladimir"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2383"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,48,35,59,12,8,22,46,39,52,30,38,10,44,33,67,60,41,12,74,56,54,64,63,56,64,0,0,-10,-10,-18,-12,-45,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 {B41: Sicilian: Kan Variation: 5 c4} O-O 8. e5 (8. Be2 Qc7 9. O-O Nc6 10. Nxc6 dxc6 11. Bg5 Be7 12. Be3 b5 13. Rac1 b4 14. Nb1 c5 {0-1 (61) Anand,V (2779)-Ivanchuk,V (2747) Doha 2016}) 8... Ne8 $1 {LiveBook: 6 Games} 9. Be2 {White is slightly better.} Qc7 10. f4 {White wants to play 0-0.} f6 $146 ({Predecessor:} 10... d6 11. exd6 Nxd6 12. Be3 Rd8 13. Rd1 Nd7 14. O-O Nc5 15. Qc2 {1-0 (32) Lacina,A (2222)-Muk,I Klatovy 1999}) 11. exf6 Nxf6 12. O-O Nc6 {[#] White must now prevent ...Nxd4.} 13. Nc2 Bc5+ (13... d5 $5) 14. Kh1 Nb4 15. Nxb4 Bxb4 16. a3 Be7 (16... Bxc3 $1 $11 17. Qxc3 (17. bxc3 b5 $11) 17... b5) 17. b4 b6 18. Be3 Bb7 19. Bd4 a5 20. Nb5 (20. b5 $14) 20... Qd8 $11 21. Qe3 axb4 22. Bxb6 Qc8 {With the idea ...bxa3.} 23. a4 Be4 (23... Ra6 $5 {[%cal Rc8c6]} 24. a5 Ne4 $11) 24. a5 Qc6 {Precision: White = 37%, Black = 51%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.12"]
[Round "7"]
[White "Espineira Gonzalez, Diego"]
[Black "Petkov, Vladimir"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2368"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,71,37,29,53,55,62,60,27,29,30,33,2,31,0,40,10,18,31,31,-39,-31,-43,-44,-44,-59,-27,-6,-17,-4,-3,8,-85,-31,-29,-26,-126,-129,-159,-91,-80,-51,-85,1206,1114,29995,700]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Nbd7 9. Qd2 h5 10. Nd5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} Bxd5 11. exd5 g6 12. Be2 (12. O-O-O Nb6 13. Qa5 Bh6 14. Bxh6 Rxh6 15. Qd2 Rh8 16. f4 exf4 17. Qxf4 {½-½ (57) Ponomariov,R (2699)-Wang,H (2698) Danzhou 2017}) 12... Bg7 13. O-O O-O 14. Na5 Qc7 {LiveBook: 21 Games} 15. c4 b6 16. Nc6 Nb8 17. Nxb8 (17. Nb4 {seems wilder.} Nbd7 18. Rac1 a5 19. Nc2 Nc5 20. Na3) 17... Raxb8 18. Rac1 $146 a5 19. a3 Nd7 20. Bd1 f5 (20... e4 $5) 21. b4 axb4 22. axb4 Ra8 23. c5 (23. Bb3 $14) 23... bxc5 $15 24. bxc5 Nxc5 25. Bxc5 dxc5 26. d6 Qa7 27. Qd5+ Kh7 28. Be2 $1 Rfd8 (28... c4+ $5 29. Kh1 Rfd8 $11) 29. Rb1 (29. Rfd1 $11 {remains equal.}) 29... Rab8 (29... c4+ $1 $17 30. Kh1 Qd4 31. Bxc4 Qxd5 32. Bxd5 Ra6) 30. Bc4 Rb4 31. Ra1 (31. Kh1 $11) 31... Qb7 $17 32. Qe6 {[#]} e4 (32... Rb6 $142 $1 33. Rad1 Qd7 34. Qxd7 Rxd7) 33. Ra6 {Threatens to win with d7!} exf3 34. gxf3 {Strongly threatening d7!} Rb2 $2 {[%mdl 8192] [#]} (34... Bd4+ $17 35. Kg2 Qg7) 35. d7 $1 $18 {[%mdl 512]} Qxd7 36. Qxg6+ {Precision: White = 37%, Black = 34%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.13"]
[Round "8"]
[White "Burmakin, Vladimir"]
[Black "Yuffa, Daniil"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2520"]
[BlackElo "2515"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,92,0,5,3,14,-4,-7,0,0,0,0,0,0,-27,-11,-27,-21,-35,-17,-10,-10,-16,-16,-10,-13,-14,-14,-36,-29,-22,-22,-44,-37,-43,-36,-53,-33,-50,-40,-55,-53,-116,-129,-369,-369,-369,-369,-369,-368,-368,-368,-368,-368,-450,-322,-1553,-1420,-1656,-1411,-1693,-1654,-1624,-1616,-1321,-1531,-1325,-1141,-1156,-1185,-1191,-1093,-1095,-1045,-965,-766,-817,-683,-1584,-1535,-1544,-1320,-1211,-1101,-2960,-2928]} 1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. e3 (4. Bg5 Bb7 5. Nbd2 d5 6. e3 a6 7. a4 b4 8. Nb3 Nbd7 9. Na5 Qc8 10. Bxf6 Nxf6 11. c4 dxc4 12. Nxb7 Qxb7 {1-0 (30) Giri,A (2771)-L'Ami,E (2614) Reykjavik 2017}) 4... c5 $146 ({Predecessor:} 4... a6 5. Bg2 Bb7 6. O-O Be7 7. b3 O-O 8. Bb2 d6 9. Nbd2 Nbd7 10. Qe2 c5 11. Rfd1 Rc8 {0-1 (51) Li,D (2469)-Adly,A (2620) Konya 2017}) 5. Nbd2 cxd4 6. exd4 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} a6 7. Bg2 Bb7 8. O-O {The position is equal.} Be7 9. c3 O-O 10. a4 d6 11. Ne1 Bxg2 12. Kxg2 Nbd7 13. Qf3 Nb6 14. axb5 $1 axb5 15. Rxa8 Qxa8 16. Qxa8 Rxa8 17. Nd3 Nfd5 18. Kf3 f5 19. Ke2 g5 20. Nb3 Nc4 21. Nd2 Kf7 22. Kd1 h5 23. Rg1 Bf6 24. Re1 Rc8 $36 {[%mdl 2048] Black has some pressure.} 25. Nf3 {[#]} (25. h3 $15) 25... g4 $1 $17 {[%cal Rg4f3]} 26. Ng5+ $2 (26. Ng1 $17) 26... Bxg5 $1 $19 27. Bxg5 {[#]} Nxb2+ $1 {[%mdl 512]} 28. Nxb2 {And now Bd2 would win.} Nxc3+ 29. Kd2 Ne4+ 30. Rxe4 fxe4 31. Kd1 e5 32. dxe5 $2 {[#]} (32. d5) 32... d5 $1 {[%cal Bd6d5,Bd5d4][%mdl 32] Black is clearly winning.} 33. Bd2 Ke6 34. Bb4 Kxe5 35. Kd2 d4 36. Ba5 Kd5 37. Bb4 Rh8 38. Be7 Rh7 39. Bg5 Ra7 40. Kc2 Ra3 41. Nd1 Ra1 42. Bc1 b4 {[%cal Bb5b4,Bb4b3][%mdl 32]} 43. Bb2 {[#]} b3+ $1 {[%mdl 512]} 44. Kd2 (44. Kxb3 Rxd1) 44... Ra7 45. Ke2 {[#]} h4 $1 {[%cal Bh5h4,Bh4h3][%mdl 544]} 46. Kd2 (46. gxh4 Rh7) 46... h3 {Precision: White = 25%, Black = 82%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.13"]
[Round "8"]
[White "Strikovic, Aleksa"]
[Black "Huerga Leache, Mikel"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2500"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "180"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,180,13,-7,2,3,3,-1,0,0,0,3,0,0,21,19,25,20,46,24,52,0,0,23,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,24,24,24,24,30,40,40,44,53,52,0,0,0,49,19,35,58,108,33,26,26,104,105,102,95,101,100,224,224,223,223,5531,408,4206,240,239,239,260,237,236,230,639,592,5514,2408,1725,694,12845,134,141,0,0,0,0,0,12848,12848,29964,29961,29961,29960,29961,29962,29962,29956,29956,29956,29957,29956,29955,29958,29957,29958,29947,12851,29958,29959,29959,29960,29960,29960,29960,29961,29961,29962,29962,29963,29963,29964,29964,29965,29965,29965,29965,29965,29965,29967,29967,29967,29967,29969,29971,29970,29971,29972,29973,29974,29974,29975,29975,29976,29976,29977,29977,29978,29978,29978,29978,29979,29979,29980,29980,29980,29992]} 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. Nb3 Qe5 {A20: English Opening: 1...e5} (7... Qh5 8. h3 Be7 9. Nc3 Qg6 10. d3 exd3 11. e4 O-O 12. Qxd3 Rd8 13. Qc2 Na6 14. a3 Be6 15. Be3 Bxb3 16. Qxb3 {½-½ (46) Matlakov,M (2632)-Khismatullin,D (2660) Magnitogorsk 2011}) 8. Nc3 Be7 9. d4 $146 ({Predecessor:} 9. O-O O-O 10. d3 exd3 11. Qxd3 Na6 12. Bf4 Qh5 13. h4 Bf5 14. Qe3 Rfe8 15. Bf3 {0-1 (50) Fernandes,R (2225)-Sokolin,L (2508) ICC INT 2009}) 9... exd3 $1 {The position is equal.} 10. Qxd3 O-O 11. Bf4 Qh5 12. h3 Na6 (12... Rd8 {is more complex.} 13. Qe3 Bb4 14. g4 Qg6 15. O-O Na6) 13. g4 Qg6 14. Qxg6 hxg6 15. O-O-O Nb4 16. Bd6 Bxd6 17. Rxd6 Be6 18. Nc5 Nxa2+ 19. Nxa2 Bxa2 20. b3 b6 21. Kb2 {aiming for Nd7.} bxc5 22. Kxa2 Rad8 23. Rhd1 Nd5 $1 {[%cal Rd5c3]} 24. Rxd8 Rxd8 $11 {[%mdl 4096] Endgame KRB-KRN} 25. Ka3 Re8 26. e3 Re5 27. Kb2 Kf8 28. Ra1 Nb4 29. Kc3 a6 30. Bf1 f5 31. Bxa6 f4 32. exf4 Re4 $1 33. Bc4 Rxf4 34. Ra8+ (34. Ra5 $14) 34... Ke7 35. Ra7+ Kf8 36. Kd2 (36. Ra5 $5 {[%cal Ra5c5]}) 36... Rxf2+ 37. Ke3 Rh2 38. Rf7+ (38. Kf4 $16) 38... Ke8 $14 39. Rxg7 Nd5+ (39... Rxh3+ $11 40. Ke4 Rg3) 40. Ke4 $16 Rxh3 {[%csl Gd5][%cal Rh3e3]} 41. Ke5 $1 ({Of course not} 41. Rxg6 $6 Re3+ 42. Kf5 Ne7+ 43. Kf4 Rxb3 $11) 41... Rh6 42. g5 $1 {[%cal Rg5h6]} Rh5 (42... Rh3 $16 {was necessary.}) 43. Rxg6 $18 Ne7 44. Rg7 Rh4 $2 (44... Kd8 45. Ke6 Rh3) 45. Be6 (45. g6 $142 Rg4 46. Be6 Nxg6+ 47. Kf6) 45... Rh1 (45... Kf8 $142) 46. Kd6 $2 (46. g6 Nxg6+ 47. Rxg6) 46... Rd1+ 47. Kxc5 Rg1 48. Kd6 Rd1+ {[#]} 49. Kc7 $1 {And now g6 would win.} Re1 $2 (49... Nd5+ 50. Kxc6 Ne7+ 51. Kc5 Rc1+ 52. Bc4 Kd8) 50. Bc4 Rd1 51. g6 Rg1 52. Rh7 (52. Be6 $142 Nd5+ 53. Kd6) 52... Nxg6 {[#]} 53. Rg7 $2 (53. Bf7+ $1 $18 {is the precise move to win.} Kf8 54. Bxg6 Rxg6 55. Rh3) 53... Kf8 $16 54. Rg8+ ({White has to play} 54. Rf7+ $16 Ke8 55. Rf6) 54... Ke7 $11 55. Bd3 Rg3 56. Bc2 Rc3 $2 {[%mdl 8192]} (56... Kf7 $11 57. Rxg6 Rxb3) 57. Rxg6 $18 Rxc2 58. Rxc6 {KR-KR} Rb2 59. Rc3 Ke6 60. Kc6 Ke7 61. Rd3 Rc2+ 62. Kb6 Rc8 63. Ka7 Rc7+ 64. Ka6 Rc6+ 65. Kb7 Rc5 66. Kb6 (66. Rg3 $142 Re5 67. Kc7 Rb5 68. Kc6 Rb4 69. Rg7+ Ke8 70. Rb7 Rh4 71. Rb8+ Ke7 72. b4) 66... Rc8 67. b4 {White mates.} Rb8+ 68. Ka5 Ra8+ 69. Kb5 Rb8+ 70. Kc4 Rc8+ 71. Kb3 Rb8 72. Rd4 Ke6 73. Kc4 Rc8+ 74. Kb5 Ke5 75. Rd7 Ke6 76. Rb7 Kd5 77. Kb6 Rc6+ 78. Ka5 Rc8 79. b5 {[%cal Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Kc4 80. Ka6 Kc5 81. Rh7 Kd6 82. b6 Ra8+ 83. Kb7 Ra4 84. Kb8 Kc6 85. b7 Rf4 86. Rh6+ Kb5 87. Rh1 Kb6 88. Rb1+ Kc6 89. Ra1 Rf7 90. Ka8 Kd5 {Precision: White = 62%, Black = 50%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.13"]
[Round "8"]
[White "Petkov, Vladimir"]
[Black "Cabezas Ayala, Ivan"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2498"]
[BlackElo "2300"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,45,23,29,27,7,14,2,13,14,50,33,34,15,32,22,41,52,65,55,100,62,159,115,197,202,647,653,890,494,476,436]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. h3 e5 7. d5 a5 8. Be3 Na6 9. g4 Nd7 {E90: King's Indian: Classical: Early deviations and 6 h3} 10. Rg1 (10. a3 Nb6 11. Rg1 Bd7 12. h4 Nc5 13. b3 Kh8 14. a4 c6 15. dxc6 Bxc6 16. Bd3 Nbd7 17. Bc2 {½-½ (40) Tomashevsky,E (2696)-Saric,I (2618) Minsk 2017}) 10... Ndc5 11. h4 c6 {The position is equal.} 12. h5 cxd5 (12... a4 $5) 13. cxd5 a4 $146 ({Predecessor:} 13... Bd7 14. a4 Rc8 15. Nd2 Qb6 16. Nb5 Bxb5 17. Bxb5 Nb4 18. Nb3 Kh8 19. Rh1 {1-0 (19) Timofeev,A (2534)-Savenkov,K (2320) Sochi 2015}) 14. Rc1 Bd7 15. Nd2 Qb8 16. Nb5 Rc8 17. a3 b6 18. Rc3 Rd8 (18... Bf8 $14) 19. Rh1 Be8 (19... Nc7 $16 20. Nxc7 Qxc7) 20. Qf3 $18 {[#] Black must now prevent hxg6.} Nc7 $2 (20... Rd7 21. hxg6 fxg6) 21. hxg6 {White is clearly winning.} hxg6 22. Nxc7 Qxc7 23. Bg5 {Precision: White = 44%, Black = 38%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.13"]
[Round "8"]
[White "Pap, Misa"]
[Black "Espineira Gonzalez, Diego"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "2491"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,118,25,28,0,0,0,0,0,18,28,29,0,6,0,0,-22,-20,-23,-31,-33,-17,-12,-14,-12,-4,-22,47,51,85,58,109,18,14,14,16,12,12,13,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 {[%cal Bb8c6,Bc6a5,Ba5c4][%mdl 32]} 7. Ndf3 Qb6 8. a3 cxd4 9. cxd4 Na5 {C05: French Tarrasch: 3...Nf6 4 e5 Nfd7, 5 f4 and 5 Bd3 sidelines} 10. Ne2 Qb3 11. Qd2 Nc4 12. Qc3 Qxc3+ 13. Nxc3 a6 {LiveBook: 4 Games} 14. f5 {Hoping for fxe6.} (14. b3 Na5 15. Rb1 Nb6 16. Bd3 Bd7 17. Na2 {½-½ (52) Swiercz,D (2565)-Vallejo Pons,F (2693) Plovdiv 2012}) 14... Ndb6 15. fxe6 Bxe6 16. Bd3 Be7 17. b3 Na5 $146 18. Rb1 f6 19. Ne2 O-O 20. Nf4 Bg4 {White must now prevent ...Bxf3.} 21. O-O Nc6 22. Bb2 Bxf3 23. Rxf3 fxe5 24. dxe5 Rae8 25. e6 Bg5 (25... g6 $11) 26. Rg3 $14 Rxf4 27. Rxg5 d4 {[#]} (27... g6 $14) 28. Rf5 (28. Re1 $1 $16) 28... Rxf5 $11 {The position is equal.} 29. Bxf5 g6 30. Bh3 Nd5 31. g3 Ne3 32. Re1 g5 33. Bg2 Nxg2 34. Kxg2 {[%mdl 4096] Endgame KRB-KRN} Kg7 35. Re4 Kf6 {next ...Kf5 is good for Black.} 36. Bxd4+ Kf5 37. Kf3 Nxd4+ 38. Rxd4 Rxe6 {KR-KR} 39. Rd5+ Kg6 40. Rd7 Rb6 41. b4 a5 42. Rd4 Rc6 43. Ke4 axb4 44. axb4 Rc2 45. h3 Re2+ 46. Kf3 Rb2 47. Rd6+ Kf5 48. g4+ Ke5 49. Rb6 Rb3+ 50. Kg2 Rb2+ 51. Kf1 Rb3 52. Rxb7 Rxh3 53. Rf7 h5 54. b5 hxg4 {[#] ...Rf3+ is the strong threat.} 55. b6 Rb3 56. b7 Kd6 57. Kg2 Kc6 58. Rg7 Rxb7 59. Rxb7 Kxb7 {Precision: White = 71%, Black = 73%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.13"]
[Round "8"]
[White "Lazarev, Vladimir"]
[Black "Safranska, Anda"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2418"]
[BlackElo "2224"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,53,61,71,69,89,57,68,50,70,54,160,170,179,169,179,159,212,118,270,119,259,282,262,287,281,279,404,402,410,208,393,380,426,358,366,339,504,511]} 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 Be7 6. Be2 O-O 7. O-O c6 8. Qc2 Re8 9. Rd1 Bf8 10. Be3 {A55: Old Indian Defence with Nf3 and e4} g6 11. Rac1 exd4 12. Nxd4 {White is slightly better.} a5 $146 ({Predecessor:} 12... h6 13. Nb3 Qe7 14. f3 Nc5 15. Bf4 Nxb3 16. axb3 Rd8 17. Rd3 g5 {½-½ (52) Bellon Lopez,J (2430)-Anic,D (2202) France 2001}) 13. b3 Nc5 (13... Qe7 $14) 14. Nxc6 $1 $16 bxc6 15. Bxc5 $1 Qc7 16. Bd4 Ng4 (16... Qe7 $16 17. Qd2 Bb7) 17. Qd2 (17. f4 $18) 17... f5 $2 (17... Bh6 $16 18. f4 d5) 18. f3 (18. exf5 $18 Bh6 19. f4 gxf5 20. h3) 18... Ne5 (18... Bh6 $16 {was called for.} 19. Qb2 Bxc1 20. Qxc1 (20. Rxc1 Ne5 $14) 20... Ne5) 19. f4 $18 Nf7 20. exf5 Bxf5 21. Bf3 Qd7 (21... h5 $142 22. Re1 Bg7 23. Bxg7 Kxg7) 22. h3 h5 {[#]} 23. Na4 (23. g4 $142 $1 {[%mdl 512]} hxg4 24. hxg4 Bxg4 25. Qg2) 23... Ra6 $2 (23... Rab8 {is a better defense.} 24. Re1 Bh6) 24. Re1 Nh6 25. Rxe8 Qxe8 26. Bc3 Qd8 {[#]} (26... Bg7 $142 27. Re1 Qd7 28. Bxg7 Kxg7) 27. Bxc6 $1 {[%mdl 512] Precision: White = 53%, Black = 11%.} 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.13"]
[Round "8"]
[White "Lillo Castany, Victor"]
[Black "Oratovsky, Michael"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2382"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,52,25,22,25,24,38,52,47,36,66,47,52,50,47,54,62,50,52,0,28,0,-6,0,42,29,108,105,93,23,88,81,81,75,69,79,77,-28,131,106,107,120,127]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} Bb7 7. g3 {LiveBook: 14 Games. B43: Sicilian: Kan Variation: 5 Nc3} (7. Bd3 Bc5 8. Nb3 Be7 9. O-O d6 10. Bd2 Nf6 11. Qf3 Nbd7 12. Qg3 h5 13. f4 h4 14. Qf3 Rc8 15. Rae1 {0-1 (33) Karttunen,M (2455)-Andreikin,D (2737) Tallinn 2016}) 7... Ne7 8. Bg2 Nbc6 9. Nb3 {White is slightly better.} d6 10. O-O Nc8 11. a4 $146 ({Predecessor:} 11. Nd4 Nxd4 12. Qxd4 Ne7 13. Bg5 h6 14. Bxe7 Qxe7 {1-0 (33) Sarbay,A-Smirnov,V (2275) Minsk 1978}) 11... b4 12. Ne2 Be7 13. a5 O-O 14. c3 {[%cal Bc2c3,Bc3d4][%mdl 32]} Rb8 15. Bd2 (15. Be3 $14) 15... Bf6 16. Ned4 N8a7 17. Qe2 d5 18. Rfd1 Nxd4 (18... bxc3 $11 {keeps the balance.} 19. Bxc3 Nxd4 20. Bxd4 Bxd4 21. Nxd4 Qf6) 19. cxd4 $16 dxe4 20. Bf4 ({Much weaker is} 20. Bxe4 $6 Bxe4 21. Qxe4 Rb5 $11) ({White should try} 20. Nc5 $16) 20... Rc8 (20... Ra8 $1 $11 {remains equal.}) 21. Nc5 Bd5 22. Qxa6 Nc6 23. Nxe4 Bxd4 24. Qd3 (24. Nd6 $16 {And now Bxd5 would win.} Ra8 25. Qb5 Bxb2 26. Bxd5 exd5 27. Qxc6 Bxa1 28. Rxa1) 24... e5 $2 {[#]} (24... Bxb2 $11 25. Ra4 Be5) 25. Bxe5 $1 {[%mdl 512]} Bxe5 (25... Nxe5 26. Qxd4) 26. Qxd5 {Nd6 is the strong threat.} Bxb2 {Precision: White = 45%, Black = 37%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.13"]
[Round "8"]
[White "Ambartsumova, Karina"]
[Black "Firat, Burak"]
[Result "1/2-1/2"]
[ECO "B75"]
[WhiteElo "2325"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,49,37,58,41,49,42,86,90,175,177,283,145,136,120,121,121,119,103,113,93,87,82,90,87,168,94,95,92,91,90,92,87]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 {[%cal Bf2f3,Bf3f4][%mdl 32]} a6 8. Qd2 b5 9. O-O-O {B75: Sicilian Dragon: Yugoslav Attack, Miscellaneous} (9. a4 b4 10. Nd5 Nxd5 11. exd5 Bb7 12. Bc4 Nd7 13. a5 Nf6 14. Ne2 O-O 15. Ra4 Rc8 16. b3 Rc5 17. Rxb4 Rxd5 18. Bxd5 Bxd5 {½-½ (61) Kramnik,V (2808)-Nakamura,H (2785) Stavanger 2017}) 9... Bb7 10. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} h5 {LiveBook: 3 Games} 11. g5 {White is slightly better.} Nfd7 12. f4 Qa5 $146 ({Predecessor:} 12... O-O 13. Bg2 Nb6 14. b3 N8d7 {½-½ (36) Siigur,J (2425)-Rooms,T (2351) ICCF email 2010}) 13. Kb1 Nc5 (13... Nc6 $16) 14. Bg2 $1 $18 Na4 {[#]} (14... Nbd7 {was called for.}) 15. Nd5 (15. e5 $1 $18 Nxc3+ 16. bxc3) 15... Qxd2 $16 16. Rxd2 {Black must now prevent Nc7+.} Bxd5 17. exd5 Nd7 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32]} 18. Re1 Ndb6 19. c3 Nc4 20. Rde2 b4 21. Bc1 {Nc6 is the strong threat.} Kf8 (21... Na3+ $16 22. bxa3 (22. Ka1 O-O $16) 22... Nxc3+ 23. Kc2 Nxe2 24. Nxe2 Rb8) 22. Rxe7 (22. Nc6 $18) 22... bxc3 {[#]White is better.} 23. b3 $1 {And now Nc6 would win.} Bxd4 24. bxc4 Nc5 25. Kc2 {Precision: White = 62%, Black = 45%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.13"]
[Round "8"]
[White "Lorenzo Duran, Marcos"]
[Black "Erdogdu, Mert"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2172"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,93,25,25,25,25,26,24,23,37,37,49,68,59,63,66,100,95,94,28,43,30,30,34,95,31,52,0,32,31,68,44,71,59,60,47,62,67,51,69,115,132,131,97,254,254,241,224,230,213,387,396,388,358,417,410,412,405,382,372,620,604,29972,29973,29973,29974,29974,29975,29974,29975,5406,2435]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. d5 a5 8. Be3 Ng4 9. Bg5 {[%cal Be3g5,Bg5h4,Bh4g3][%mdl 32]} f6 10. Bh4 Nh6 11. Nd2 Na6 12. a3 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7} g5 13. Bg3 {LiveBook: 5 Games} f5 (13... Qe8 14. f3 Bd7 15. Bf2 a4 16. Nb5 Qe7 17. Qxa4 c6 18. Nc3 f5 19. Qc2 {½-½ (27) Bacrot,E (2731)-Relange,E (2500) Port Barcares 2005}) 14. exf5 {White has an edge.} Nxf5 15. Nde4 Bd7 16. O-O Qe7 $146 ({Find the theoretical novelty and annotate with similar games:} 16... b6 17. Rb1 Nc5 18. b4 axb4 19. axb4 Nxe4 20. Nxe4 Nd4 21. Rb2 {½-½ (21) Itkis,B (2442)-Sofronie,I (2405) Bucharest 2001}) 17. b4 Nd4 18. Rb1 axb4 19. axb4 Nxe2+ 20. Qxe2 g4 21. Rfd1 (21. b5 $16 Nc5 22. Nxc5 dxc5 23. b6) 21... h5 $11 22. h4 gxh3 $1 23. Qxh5 Rf5 (23... hxg2 $14 24. Kxg2 Qf7) 24. Qg6 (24. Qxh3 $16 {Hoping for Bh4.} Rxf2 25. Qh2) 24... Rff8 25. Qh5 ({White should play} 25. c5 $14) 25... hxg2 (25... Rf5 $5 {[%cal Rf5h5]} 26. Qxh3 Rxf2 $16) 26. Kxg2 $40 {[%mdl 128] Black needs to defend precisely.} Bf5 27. f3 (27. c5 $5) 27... Nb8 28. Bh4 Qf7 29. Qxf7+ Rxf7 30. Ra1 Rxa1 31. Rxa1 {Strongly threatening Ra7.} Na6 32. b5 Nc5 33. Ra8+ Bf8 $2 {[#]} (33... Rf8 $16 34. Rxf8+ Bxf8) 34. Nxc5 $18 dxc5 35. Ne4 Bxe4 36. fxe4 {[%mdl 4096] Endgame KRB-KRB} Kg7 $2 (36... Kh7 37. Bg3 Bd6) 37. Bg3 Bd6 38. Re8 Kf6 {[#]} 39. b6 $1 {[%mdl 512]} Rg7 (39... cxb6 40. Re6+) 40. Kf3 Kf7 41. Re6 Rg5 $2 (41... Rh7 42. Bf2 Rh3+ 43. Kg4 Rh1 44. bxc7 Bxc7 45. Bxc5 Bd8 46. Rxe5 Rc1) 42. Bh4 Rh5 43. Kg4 Rh7 44. bxc7 Bxc7 45. Re7+ Kg6 46. Rxh7 Kxh7 47. Kf5 {Precision: White = 68%, Black = 45%.} (47. Be7 $142 Ba5 48. d6) 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.13"]
[Round "8"]
[White "Lopez de Turiso, Jose Angel"]
[Black "Erdogdu, Mert"]
[Result "*"]
[ECO "E92"]
[WhiteElo "2035"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,32,26,26,24,18,29,26,50,34,35]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. d5 a5 8. Be3 Ng4 9. Bg5 {[%cal Be3g5,Bg5h4,Bh4g3][%mdl 32]} f6 10. Bh4 Nh6 11. Nd2 Na6 12. a3 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7} g5 13. Bg3 {LiveBook: 5 Games} f5 {[#] And now ...f4 would win.} (13... Qe8 14. f3 Bd7 15. Bf2 a4 16. Nb5 Qe7 17. Qxa4 c6 18. Nc3 f5 19. Qc2 {½-½ (27) Bacrot,E (2731)-Relange,E (2500) Port Barcares 2005}) 14. exf5 Nxf5 15. Nde4 Qe7 $146 ({Find the theoretical novelty and annotate with similar games:} 15... Bd7 16. b3 Qe7 17. O-O Nd4 18. Rb1 c6 19. Bg4 Be8 20. Bh5 Bd7 21. Re1 Bf5 22. Bg4 Bg6 23. Bh5 {½-½ (23) Ordonez,F (2277)-Gonzalez,F San Felipe 2008}) 16. O-O (16. b4 $5) 16... Bd7 *

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.14"]
[Round "9"]
[White "Yuffa, Daniil"]
[Black "Strikovic, Aleksa"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "2515"]
[BlackElo "2500"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,41,31,27,21,27,26,35,34,45,39,39,40,43,42,43,52,54,46,51,22,28,18,18,0,11,6]} 1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. e4 e5 5. Nc3 exd4 6. Nxd4 Nc6 7. Be3 Nge7 {[%cal Bg8e7,Be7c6,Bc6e5][%mdl 32]} 8. Nxc6 Nxc6 {A42: Modern Defence: Averbakh Variation} 9. Qd2 (9. Be2 O-O 10. Qd2 f5 11. exf5 Bxf5 12. O-O Qf6 13. Rad1 Kh8 14. Rfe1 Nb4 15. Rc1 Na6 16. Bf1 Rae8 17. f3 Nb4 18. Bf2 Nc6 19. Rxe8 Rxe8 20. b3 Qf7 21. Nd5 a6 {½-½ (41) Ivanchuk,V (2703)-Vachier Lagrave,M (2703) Biel 2009}) 9... O-O {LiveBook: 3 Games} 10. Bd3 $146 ({Predecessor:} 10. Be2 f5 11. exf5 Bxf5 12. O-O Qf6 13. Rfd1 Rae8 14. Rac1 Kh8 15. b3 b6 16. Nd5 Qf7 17. h3 a5 18. Bf1 Bc8 19. a3 Nd8 20. b4 axb4 21. axb4 Ne6 22. Rc2 {½-½ (22) Petrosian,A (2455)-Ermenkov,E (2475) Yugoslavia 1994}) 10... Ne5 11. Be2 Be6 12. b3 f5 13. exf5 Bxf5 14. O-O c6 15. f4 Nf7 16. Bd4 h5 17. Rad1 Re8 18. Bxg7 Kxg7 19. Qd4+ Qf6 20. Qxf6+ Kxf6 21. Kf2 {Precision: White = 77%, Black = 88%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.14"]
[Round "9"]
[White "Oratovsky, Michael"]
[Black "Lorenzo Duran, Marcos"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2494"]
[BlackElo "2172"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,47,20,16,3,14,19,43,17,24,15,29,25,17,28,22,29,4,22,31,31,83,88,164,151,393,391,713,710]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Bb3 d6 7. c3 Na5 8. Bc2 c5 9. Nbd2 Nc6 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} 10. h3 (10. Re1 h6 11. Nf1 Re8 12. h3 Be6 13. Ne3 a6 14. Nh2 d5 15. Qf3 d4 16. Nf5 Bf8 17. Ng4 Nxg4 18. hxg4 {0-1 (58) Shanava,K (2540)-Beradze,I (2460) Tbilisi 2017}) 10... Re8 11. Re1 Bf8 {LiveBook: 12 Games. The position is equal.} 12. a3 d5 $146 ({Find the theoretical novelty and annotate with similar games:} 12... h6 13. Nf1 Be6 14. Ng3 d5 15. Ba4 dxe4 16. dxe4 Qxd1 17. Rxd1 {½-½ (58) Maier,C (2387)-Matras,A (2280) Warsaw 2005}) 13. exd5 Nxd5 14. Nc4 {[%cal Rf3e5]} f6 15. d4 cxd4 16. cxd4 exd4 17. Rxe8 Qxe8 18. Nxd4 Nxd4 19. Qxd4 Be6 20. Bd2 Qh5 (20... Bf7 $14) 21. Re1 $36 {[%mdl 2048] White has strong initiative.} Bf7 (21... Nc7 $16 {was worth a try.}) 22. Be4 $18 {[%cal Bc2e4,Be4f3,Bf3h5][%mdl 32] [#] g4 is the strong threat.} Rc8 $2 (22... Nc7 $16 {keeps fighting.}) 23. Bf3 Bc5 $2 (23... Qg6 24. Bxd5 Bxd5 25. Qxd5+ Qf7) 24. Bxh5 1-0

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.14"]
[Round "9"]
[White "Firat, Burak"]
[Black "Silva, Luis Neves Da"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2482"]
[BlackElo "2354"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,90,-33,-35,0,-17,-22,-27,-28,-109,-43,-43,-45,-57,-50,-47,-35,-39,-32,-62,-53,-81,-54,-80,-59,-64,-51,-155,-160,-150,-135,-131,-145,-194,-162,-226,-223,-241,-231,-214,-185,-242,-236,-243,-231,-238,-233,-252,-244,-327,-326,-333,-345,-345,-345,-345,-345,-341,-329,-1737,-1714,-5252,-5243,-29979,-29980]} 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 {[%cal Bg1f3,Bf3e1,Be1c2,Bc2e3,Be3c4][%mdl 32]} e5 6. Rb1 Nge7 7. a3 a5 8. d3 O-O 9. O-O d6 10. Ne1 Be6 11. Nc2 d5 12. cxd5 Nxd5 13. Ne3 Nde7 14. Nc4 Rb8 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} 15. Nb5 {LiveBook: 9 Games} (15. Bg5 f6 16. Be3 Nd4 17. b4 axb4 18. axb4 b5 19. Nd2 cxb4 20. Rxb4 Qa5 21. Qb1 Nec6 22. Bxc6 Nxc6 {1-0 (68) Anand,V (2785)-Tregubov,P (2607) Bastia 2014}) 15... Qd7 16. a4 (16. Nb6 $5 {[%cal Rb6d7]} Qd8 17. Nc4 $11) 16... b6 {The position is equal.} 17. b3 $146 ({Predecessor:} 17. Bd2 Bh3 18. Bxh3 Qxh3 19. Bc3 Rfd8 20. Qc1 Nd5 21. f3 Nd4 22. Rf2 {½-½ (58) Usmanov,V (2455)-Minko,V (2226) Samara 2015}) 17... Nd4 18. Bd2 (18. Nxd4 $11 cxd4 19. Bd2) 18... Nd5 (18... Nxb5 $17 19. axb5 Nd5) 19. Nbd6 $15 Rfd8 20. e3 Nc6 21. Qe2 Ndb4 22. Rfd1 Bg4 23. f3 Be6 24. Be1 h5 25. f4 exf4 26. gxf4 Qe7 $36 {[%mdl 2048] Black is pushing.} 27. f5 (27. Nb5 $15) 27... Bxc4 $1 $17 (27... gxf5 $6 28. Bg3 $11) 28. Nxc4 {[#]} Nd4 $1 {[%cal Rd4e2,Bc6d4,Bd4f5,Bf5d6][%mdl 544]} 29. Qf2 (29. exd4 Qxe2) 29... Nxf5 30. Be4 {[#]} Nd6 $1 31. Bxb4 (31. Bg2 {keeps fighting.}) 31... axb4 $19 ({Resist} 31... cxb4 32. Bd5) (31... Nxe4 32. dxe4 cxb4 33. Qg2) 32. Qf3 Nxc4 33. bxc4 Qf6 34. Qe2 (34. Qg3 $142) 34... Rd6 35. Kh1 Qh4 36. Rf1 Rf6 37. Bd5 Re8 38. Qg2 Re5 ({Less strong is} 38... Rxe3 39. Rxf6 Qxf6 40. Rf1 $15) 39. Rxf6 Qxf6 40. d4 Rf5 ({Weaker is} 40... Rxe3 41. dxc5 Re7 42. Rf1 $17) 41. dxc5 bxc5 42. a5 {[#]} b3 $1 {[%cal Bb4b3,Bb3b2][%mdl 544]} 43. e4 $2 (43. Bb7 Rf2 44. Qg1) (43. Rxb3 Rf1+) 43... Rf2 44. Qh3 b2 45. e5 Qf4 {Precision: White = 26%, Black = 71%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.14"]
[Round "9"]
[White "Lillo Castany, Victor"]
[Black "Petkov, Vladimir"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2382"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,44,15,6,27,25,20,19,15,-176,-169,-176,-157,-214,-206,-199,-198,-227,-228,-214,-224,-289,-275,-264,-274,-267,-247]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 g6 7. Bg2 Bg7 8. O-O O-O 9. a4 Bd7 10. h3 Nc6 11. Nde2 {LiveBook: 43 Games} Re8 {B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3)} (11... Rb8 12. Be3 b5 13. axb5 axb5 14. Nd5 Re8 15. Nef4 b4 16. Kh2 e6 17. Nxf6+ Bxf6 18. Qxd6 Be5 19. Qc5 Bxb2 20. Rab1 {0-1 (46) Miroshnichenko,E (2610)-Eliseev,U (2606) Moscow 2016}) 12. Be3 Qc8 $146 ({Predecessor:} 12... Na5 13. Qd3 Qc8 14. Kh2 Nc4 15. Bc1 b5 16. axb5 axb5 17. Rxa8 Qxa8 18. b3 Ne5 19. Qd1 {0-1 (29) Novak,M (2146)-Sochacki,C (2459) Pardubice 2013}) 13. Kh2 Ne5 {[%cal Bc6e5,Be5g4,Bg4e3][%mdl 32] The position is equal.} 14. b3 $2 {[#]} (14. Qc1 $11) 14... Nfg4+ $1 {[%mdl 512]} 15. hxg4 Nxg4+ 16. Kh1 (16. Kg1 $17 Nxe3 17. fxe3 Bxc3 18. Nxc3 Qxc3 19. Qd4 Qxc2 20. e5) 16... Nxe3 $19 17. fxe3 Bxc3 18. Nxc3 Qxc3 19. e5 Bc6 20. Bd5 Qxe5 {Black has a decisive advantage.} ({Much less strong is} 20... Qxe3 21. Rxf7 Qxe5 22. Rf5+ Qe6 23. Qf3 $19) 21. Bxc6 bxc6 22. Qf3 Qd5 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.14"]
[Round "9"]
[White "Espineira Gonzalez, Diego"]
[Black "Burmakin, Vladimir"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2368"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "195"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,195,24,17,60,54,59,45,74,62,76,49,65,38,47,52,63,11,20,12,30,3,6,10,17,-10,-6,-7,-14,-23,-8,-25,-20,-19,-20,-16,-17,-19,-17,-25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,-92,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nd2 g6 4. h3 Bg7 5. Ngf3 Nf6 6. Bd3 dxe4 7. Nxe4 Nxe4 8. Bxe4 Bf5 9. Bxf5 Qa5+ 10. c3 Qxf5 11. O-O O-O {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} (11... Qc8 12. Re1 e6 13. Bg5 O-O 14. Qd2 Nd7 15. Bh6 Nf6 16. Re5 Rd8 17. Rae1 Rd5 18. c4 Rd7 19. Bxg7 Kxg7 {½-½ (42) Korneev,O (2611)-Andreikin,D (2495) Warsaw 2005}) 12. Re1 {LiveBook: 7 Games} Qd7 13. Qb3 e6 {White is slightly better.} 14. Bf4 Na6 $146 {[%cal Bb8a6,Ba6c7,Bc7e8,Be8f6][%mdl 32]} ({Predecessor:} 14... Qc8 15. Be5 Nd7 16. Bxg7 Kxg7 17. c4 Nf6 18. g4 h6 19. Re3 {0-1 (59) Noehbauer,A-Kirschner,C Aidenbach 2002}) 15. Rad1 Rfd8 16. Rd2 (16. Ne5 $5 {[%cal Re5d7]} Qe7 17. a3 $16) 16... Qc8 17. Ng5 Rd5 18. Ne4 b5 19. Qa3 ({White should try} 19. Qd1 $14) 19... Nc7 $11 20. Qe7 Ne8 21. Be5 Qd8 22. Qxd8 Raxd8 23. Bxg7 (23. Bf4 {is more complex.} b4 24. f3 Ra5 25. Ra1 Ra4 26. Bg5) 23... Kxg7 24. Rde2 Nf6 25. Nc5 Nd7 26. Nd3 c5 27. Nxc5 Nxc5 28. dxc5 Rxc5 {[%mdl 4096] Endgame KRR-KRR} 29. Kf1 a6 30. Ra1 Rcd5 31. a4 Rd1+ 32. Re1 Rxa1 33. Rxa1 {KR-KR} Rd2 34. b4 Rc2 35. axb5 axb5 36. Ra5 Rxc3 37. Rxb5 Rc2 38. Rb7 Rb2 39. h4 h6 40. b5 g5 41. hxg5 hxg5 42. b6 Kg6 43. g3 g4 44. Kg2 f5 45. Rb8 Kf6 46. Rb7 Ke5 47. Rb8 Ke4 48. Rb7 Kd5 49. Rb8 Kc6 50. Re8 Kd7 51. Rb8 Rb1 52. Kh2 Rb5 53. Kg2 Kc6 54. Re8 Re5 55. Rb8 Re1 56. Kh2 Kb5 57. Kg2 Ka6 58. b7 Ka7 59. Rc8 $1 Kxb7 60. Rc2 Kb6 61. Rc8 Re5 62. Rc2 Rc5 63. Re2 e5 64. Ra2 (64. f3 $1 $11) 64... Kc6 $17 65. Rb2 Kd5 66. Ra2 Rc6 67. Rb2 Ke6 68. Ra2 Kf6 69. Rb2 Rc5 70. Ra2 Rc1 71. Ra8 Ke6 72. Re8+ {[#]} Kd5 $1 73. Rf8 Ke4 74. Rf7 Rc3 75. Rf8 Rf3 76. Rd8 Rd3 77. Rf8 Rd6 78. Rf7 Rh6 79. Rf8 Rh5 80. Rd8 Rg5 81. Rd7 Rg8 82. Rf7 Ra8 83. Rf6 Ra7 84. Rf8 Ra2 85. Rf7 f4 ({Better is} 85... Ra4 $17 86. Kf1 Ra3) 86. gxf4 $11 {The position is equal.} exf4 {[#] White must now prevent ...g3.} 87. Re7+ Kf5 {And now ...g3 would win.} 88. Kg1 Ra1+ 89. Kh2 $1 Ra2 90. Kg1 $1 Rb2 91. Re8 Rc2 92. f3 gxf3 {Strongly threatening ...f2+.} 93. Kf1 f2 94. Rf8+ Kg4 {( -> ...Kf3)} 95. Rg8+ Kf5 96. Ra8 Rb2 97. Ra5+ Kg4 {Hoping for ...Rb1+.} 98. Ra3 {Precision: White = 77%, Black = 78%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.14"]
[Round "9"]
[White "Estremera Panos, Sergio"]
[Black "Lazarev, Vladimir"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "2362"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,99,17,14,0,2,-12,0,-27,0,-6,-7,0,4,0,0,-75,-81,-86,-51,-79,-63,-89,-70,-91,-92,-116,-89,-114,-38,-62,0,-106,-50,-125,-47,-61,-72,-121,-97,-121,-67,-181,-83,-263,-129,-142,0,-242,-91,-168,-186,-160,-57,-52,-55,-121,-18,-85,-69,-100,-111,-122,-135,-175,-207,-255,-265,-413,-388,-957,-957,-937,-936,-850,-743,-664,-348,-1527,-1450,-1342,-1112,-29990]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. a4 b6 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3} (6... c5 7. Bxc4 Nc6 8. O-O Be7 9. Qe2 cxd4 10. Rd1 e5 11. exd4 exd4 12. Nxd4 Nxd4 13. Qe5 Qd6 14. Qxd4 Qxd4 15. Rxd4 Bc5 16. Rd1 O-O 17. h3 Be6 18. Bxe6 fxe6 19. Kf1 Nd5 20. f3 Nxc3 21. bxc3 Rac8 22. Rb1 b6 23. Re1 Rc6 {½-½ (31) Eljanov,P (2741)-Caruana,F (2813) Douglas 2016}) 7. Bxc4 Bb7 8. O-O Bb4 9. Qe2 Nbd7 10. Rd1 O-O {LiveBook: 40 Games} 11. Ne1 c5 12. Nc2 $146 ({Predecessor:} 12. Na2 Bxe1 13. Qxe1 Qc7 14. Bf1 Ng4 15. f4 cxd4 16. exd4 Rfd8 {0-1 (35) Bojchev,M (2324)-Rusev,K (2422) Sofia 2006}) 12... Ba5 13. dxc5 {Black must now prevent b4.} bxc5 (13... Bxc3 $5 14. bxc3 Ne4 $15) 14. f3 Qb8 15. e4 Bc7 16. g3 Ne5 17. f4 (17. Ba2 $11) 17... Nxc4 $17 18. Qxc4 Bc6 19. Ne3 Qb7 {[%cal Rf6e4]} 20. e5 Nd7 21. b3 Rfc8 22. a5 Rcb8 23. Ra3 Qc8 (23... Rd8 $17) 24. Nc2 Qb7 25. Ne3 Qa7 (25... Rd8 $1 $17) 26. Nc2 {[#]} ({Better is} 26. Qe2 $15) 26... Rd8 (26... Rb4 $1 $17 {[%cal Rb4c4][%mdl 512]} 27. Qd3 (27. Nxb4 cxb4+) 27... Rab8) 27. Be3 Qb7 28. Raa1 Rab8 29. Ra3 {[#]} Bh1 (29... g5 $1 $17 {[%mdl 512]} 30. Kf2 (30. fxg5 Nxe5) 30... Kh8) 30. Qf1 {[#]} ({White has to play} 30. Ne1 $15) 30... h5 (30... Nxe5 $1 $19 {[%mdl 512] has better winning chances.} 31. Bxc5 (31. fxe5 Bxe5) 31... Rxd1 32. Nxd1 Nd3 $1 {[%mdl 512]}) 31. h4 $2 {[#]} (31. Rc1 $17 {is a better defense.}) 31... Bc6 (31... Nxe5 $1 $19 {[%mdl 512]} 32. fxe5 Bxe5) 32. Qc4 {[#]} Bh1 (32... Nxe5 $1 $17 {[%mdl 512]} 33. fxe5 Bxe5 34. Qxc5 Qc7) 33. Qf1 $1 $19 {[#]} Rbc8 $2 (33... Nxe5 $1 $19 {[%mdl 512] is more deadly.} 34. fxe5 Bxe5) 34. Kh2 (34. Bf2 $17 {was worth a try.}) 34... Bf3 35. Rd2 Nf8 (35... f6 $17 36. Qc4 Bg4) 36. Rf2 $15 Bg4 37. Qc4 ({White should try} 37. Bxc5 $15 Bxe5 38. b4) 37... Bb8 (37... Bf5 $17 {And now ...Ng6 would win.} 38. Bxc5 Nd7) 38. Ra1 (38. b4 $11) 38... Bf5 39. Ne1 {[#]} Rd4 $1 {[%mdl 512]} 40. Qf1 (40. Bxd4 cxd4) 40... Rb4 ({Stronger than} 40... Qxb3 41. Bxd4 cxd4 42. Na4 $14) 41. Na4 Nd7 42. Rc1 c4 {[%cal Bc5c4,Bc4b3][%mdl 32]} ({Don't take} 42... Rxb3 43. Ng2 $19) 43. Nb6 (43. Nc2 {keeps fighting.} Rxb3 44. Bd4) 43... Nxb6 $19 44. Bxb6 $2 (44. axb6 cxb3 45. Rxc8+ Qxc8 46. Nd3 Bxd3 47. Qxd3) 44... cxb3 45. Rxc8+ Qxc8 46. Rb2 Bc7 47. Nd3 Rb5 48. Nc1 $2 (48. Qc1 Qd8 49. Qxc7 Qxd3 50. Qd8+ Qxd8 51. Bxd8) 48... Bxb6 49. axb6 Qc3 50. Qxb5 {Precision: White = 13%, Black = 32%.} 0-1

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.14"]
[Round "9"]
[White "Sanchez Aller, Fernando"]
[Black "Pap, Misa"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2337"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "151"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,151,37,43,12,35,16,57,54,58,39,479,6,4,-5,7,-21,36,29,29,64,69,-14,-14,-14,-14,-11,2,4,4,0,0,0,4,0,0,0,0,0,25,-2,-4,-6,-4,-26,-26,-26,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-35,-35,-39,-23,-61,-50,-88,-45,-89,-15,-31,-15,-23,-23,-75,-82,-108,-103,-111,-116,-135,-131,-155,-144,-139,-103,-151,-79,-79,-30,-24,-24,-30,-29,-47,-49,-43,-53,-58,-49,-59,-55,-72,0,0,0,0,0,0,0,-15,-7,-18,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. d3 {[%cal Bd2d3,Bd3d4,Bd4d5][%mdl 32]} Bd6 8. c3 O-O 9. Re1 Na5 {C78: Ruy Lopez: Archangelsk and Möller Defences} (9... Re8 10. Nbd2 h6 11. Nf1 Bf8 12. Ng3 Na5 13. Bc2 d5 14. exd5 Qxd5 15. b4 Nc6 16. a4 Qd7 17. Ne4 Nxe4 18. dxe4 Qe6 19. Bb3 Qd6 20. Qc2 Rad8 21. Qe2 {1-0 (21) Etaoin Shrdlu (2727)-El Shaddai (2641) playchess.com INT 2007}) 10. Bc2 Re8 11. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3a5][%mdl 32]} Bf8 12. d4 d6 {LiveBook: 3 Games} 13. b4 $146 ({Predecessor:} 13. a4 b4 14. h3 {1-0 (35) Linster,P (2125)-Aghabekian,L (2174) Luxembourg 2013}) 13... Nc6 14. d5 Ne7 15. Nb3 $1 h6 16. Na5 Bc6 $2 {[%mdl 8192]} (16... Bc8 $14) 17. a4 $2 ({But not} 17. Nxc6 Nxc6 18. dxc6 a5 $18) ({White should play} 17. dxc6 $18 g5 18. h3) 17... Bd7 $11 18. c4 c6 19. Bd3 cxd5 (19... bxc4 $11 20. Nxc4 cxd5 21. Nxd6 Bxa4 22. Qxa4 Qxd6) 20. cxd5 $14 Nexd5 21. exd5 e4 22. Bc2 ({Better is} 22. Nc6 $1 $14 Bxc6 23. dxc6) 22... exf3 $11 23. Rxe8 $1 Qxe8 24. Bb2 $1 Qe2 {Strongly threatening ...Nxd5!} 25. Bxf6 $1 gxf6 26. gxf3 Qxd1+ 27. Rxd1 Rc8 28. Bd3 bxa4 29. Bxa6 Rc2 30. Ra1 f5 (30... Rd2 $5 {[%cal Rd2d5]}) 31. b5 {[#]} (31. Nc6 $5) 31... Bxb5 $1 {[%mdl 512]} 32. Bxb5 Rc5 $1 {[%csl LRb5,LRd5]} 33. Bc6 (33. Rxa4 {keeps more tension.} Rxb5 34. Nc4 f4 35. Na3 Rxd5 36. Rxf4 Be7 37. Nc4) 33... Rxa5 34. Rxa4 {[%mdl 4096] Endgame KRB-KRB} Rc5 35. Rf4 Bg7 36. Rxf5 Be5 37. f4 Bd4 38. Rh5 Kg7 39. Rh3 Rc2 40. Rf3 Kf6 41. Kg2 Bc5 42. Bb5 Rd2 43. Bd3 {[#]} Bxf2 $1 {[%mdl 512]} 44. Kf1 (44. Rxf2 Rxd3) 44... Bc5 (44... Bd4 $5 {[%cal Rd2h2]} 45. Rh3 Kg7 $15) 45. Be2 Rxd5 46. Rd3 Rf5 47. Kg2 d5 (47... Rxf4 $17 48. Rf3 Kg5 49. Rg3+ Kf5) 48. h3 h5 {[%cal Bh6h5,Bh5h4][%mdl 32]} (48... Rxf4 $5 {[%cal Rf4f2]} 49. Rxd5 Rf2+ 50. Kg3 Rxe2 51. Rxc5 Re3+ 52. Kh4 Kg6 $17) 49. Bf3 Ke6 50. Rd1 (50. Kg3 $11) 50... Be3 $17 51. Ra1 Bxf4 52. Ra8 Rg5+ 53. Kf2 h4 54. Ra5 Bc7 55. Ra6+ Ke5 56. Ke2 Bd6 (56... f6 $142 57. Rc6 Bd6) 57. Ra4 Ke6 58. Rxh4 Re5+ 59. Kd3 Bc5 60. Rh6+ Ke7 61. Kc2 Rf5 62. Bg4 Rf2+ 63. Kd3 f5 64. Be2 f4 (64... Rf4 $17) 65. Rh7+ {The position is equal.} Kd6 {aiming for ...f3.} 66. Rh6+ Kc7 {White must now prevent ...f3.} 67. Rh7+ Kc6 {Hoping for ...f3.} 68. Rf7 Bd6 69. Rf5 Bc5 70. h4 Be3 71. h5 Rh2 72. h6 Rxh6 {And now ...Rh3 would win.} 73. Bf3 Rd6 {[#]} 74. Rxd5 $1 {[%mdl 512]} Rxd5+ 75. Kc4 Kd6 76. Bxd5 {Precision: White = 39%, Black = 55%.} 1/2-1/2

[Event "5th Pontevedra Open 2017"]
[Site "Pontevedra"]
[Date "2017.08.14"]
[Round "9"]
[White "Ambartsumova, Karina"]
[Black "Sousa, Andre Ventura"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2325"]
[BlackElo "2385"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2017.??.??"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,100,21,0,47,22,67,20,16,16,22,16,12,17,44,7,4,0,6,13,11,10,24,14,62,42,69,66,145,145,161,162,150,145,112,0,0,14,83,20,84,76,93,103,164,163,231,212,404,72,50,29,87,0,27,48,133,-129,-49,-63,0,-279,-297,-293,-269,-355,-344,-344,-289,-341,-341,-326,137,0,980,-831,-37,-73,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Bd3 {LiveBook: 14 Games. D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} (7. Qc2 Re8 8. Bd2 a6 9. h3 Bd6 10. a3 Bd7 11. Be2 dxc4 12. Bxc4 h6 13. O-O e5 14. Rae1 Qe7 {½-½ (53) Aronian,L (2793)-Giri,A (2771) Stavanger 2017}) 7... Ne4 8. Qc2 f5 9. a3 {White is slightly better.} Bxc3+ 10. bxc3 Na5 11. Ne5 $146 ({Find the theoretical novelty and annotate with similar games:} 11. cxd5 exd5 12. Ne5 c5 13. O-O {½-½ (13) Arsovic,G (2415)-Dimitrov,V (2469) Belgrade 1999}) 11... b6 12. O-O Ba6 {[%cal Ra6c4]} 13. cxd5 (13. f3 $5 {[%cal Rf3e4]} Nd6 14. cxd5 Bxd3 15. Nxd3 $11) 13... Bxd3 14. Qxd3 {f3 is the strong threat.} exd5 15. c4 c5 16. f3 Nf6 17. Bb2 $36 {[%mdl 2048] White has good play.} Qc8 18. Rac1 dxc4 19. Nxc4 Qa6 (19... Nb7 $1 $14) 20. Qxf5 {Strongly threatening Nxa5.} Nb3 21. Rc2 $1 b5 22. Ne5 ({Avoid the trap} 22. dxc5 $2 bxc4 23. Rd1 Rac8 $17) 22... c4 23. g4 (23. a4 $16 {Black must now prevent axb5.} Qxa4 24. Qe6+ Kh8 25. Nf7+ Kg8 26. Ng5+ Kh8 27. Nf7+ Kg8 28. Nd6+ Kh8 29. Nf7+) 23... Nd5 24. Qe4 Rad8 (24... Nf6 $1 $11 {remains equal.} 25. Qc6 Qxc6 26. Nxc6 Nd5) 25. Re1 (25. f4 $16) 25... Kh8 (25... Qa5 $11 26. Rd1 Qb6) 26. g5 $16 {[%cal Bg4g5,Bg5g6][%mdl 32] And now g6 would win.} Qa5 27. Rd1 Qb6 (27... Qc7 $16 {might work better.}) 28. g6 $18 Nf6 (28... h6 {is a better defense.} 29. Nf7+ Kg8) 29. Qh4 Kg8 $2 (29... h6 30. Nf7+ Rxf7 31. gxf7 Rf8) 30. Rg2 $2 (30. gxh7+ $18 {is more deadly.} Nxh7 31. Rg2) 30... h6 $16 31. Nf7 Rd5 (31... Rc8 $11 {keeps the balance.}) 32. Bc3 (32. Qf2 $16) 32... Rh5 $11 33. Qg3 Nd5 ({Black should play} 33... a5 $1 $14) 34. Qe1 $2 {[%mdl 8192]} (34. Bb4 $1 $16 {[%cal Rb4f8]} Re8 35. Qg4 Nxe3 36. Re1 Nxd4 37. Qxh5 Nxf3+ 38. Qxf3 Nxg2+ 39. Kxg2 Qxg6+ 40. Kf2 Rxe1 41. Nxh6+ $1 {[%mdl 512]} (41. Bxe1 Qxf7 42. Qxf7+ Kxf7 $16) 41... Qxh6 42. Kxe1) 34... Qf6 (34... Re8 $17 35. Ne5 Nxe3 $1 {[%mdl 512]}) 35. Ne5 $1 $15 Rg5 (35... a5 $1 $15) 36. f4 $2 {[%mdl 8192]} (36. Rg3 $11 {and White has nothing to worry.}) 36... Rxg2+ $19 37. Kxg2 Qf5 $1 {[%cal Rf5c2]} 38. Bb4 Qe4+ 39. Kf2 Rf5 40. Qe2 a5 $1 {[%cal Ra5b4]} 41. Bd2 Qc2 $2 (41... c3 $19 42. Bc1 Nxc1 43. Rxc1 Rxf4+ $1 {[%mdl 512]} 44. exf4 Qxd4+ 45. Kg3 Qxf4+ 46. Kg2 Qxc1) 42. Qf3 (42. a4 $1 $16) 42... Nc3 $2 {[%mdl 8192] [#]} (42... Ne7 $11 43. Qe2 Rf6) 43. Nf7 $4 {[%mdl 8192]} (43. Qc6 $3 $18 {[%mdl 512]} Nxd4 44. exd4 Rxf4+ 45. Kg2 Qe4+ 46. Qxe4 Rxe4 47. Bxc3) 43... Ne4+ $2 ({Worse is} 43... Nxd1+ 44. Kg1 $11) ({Black should try} 43... Rxf4 $19 44. Nxh6+ gxh6 45. Qxf4 Nxd1+ 46. Kf1 Qd3+ 47. Kg1 Qxg6+ 48. Kf1 Nxd2+ 49. Ke1 Nxe3 $1 {[%mdl 512]} 50. Qb8+ Kh7 51. Qa7+ Qg7 52. Qxg7+ Kxg7 53. Kxd2 Nf1+ 54. Ke2 Nxh2) 44. Kg1 $15 {[#]} Nbxd2 {[#]} ({Better is} 44... b4 $1 $17 {Threatens to win with ...Rf6.} 45. axb4 a4) 45. Rxd2 $1 $11 {[%mdl 512] The position is equal.} Qxd2 46. Qxe4 $17 {[%cal Re4e8] KQR-KQN} Qe1+ (46... Rxf7 $5 47. gxf7+ Kxf7 $11) 47. Kg2 {[%cal Re4e8]} Rxf7 48. Qe6 Qe2+ 49. Kg1 Qe1+ 50. Kg2 Qe2+ {Precision: White = 31%, Black = 29%.} 1/2-1/2

