[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.12"]
[Round "1"]
[White "Mareco, Sandro"]
[Black "Acosta, Pablo Ismael"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2644"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,53,40,45,42,49,50,52,58,62,59,69,79,40,98,75,78,67,116,110,150,160,170,137,177,188,239,251,267,248,259,256,363,348,352,318,313,306,355,360,356,356,438,394]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 a6 5. O-O Be7 6. d4 {A13: English Opening: 1...e6} dxc4 7. Ne5 {LiveBook: 16 Games} Nd5 $146 ({Predecessor:} 7... O-O 8. Nxc4 Nc6 9. e3 Nd5 10. Nc3 b5 11. Nd2 Bb7 12. Nxd5 exd5 13. Nb3 a5 14. Bd2 {½-½ (48) Wang,Y (2736)-Timofeev,A (2681) Sochi 2009}) 8. Nxc4 {White is slightly better.} b5 9. Ne5 Bb7 10. e4 Nf6 11. Qc2 O-O 12. Be3 a5 (12... c5 $14) 13. Nc3 c6 14. a4 Na6 15. Rfd1 Rc8 16. axb5 cxb5 17. Qd3 $36 {[%mdl 2048] White has strong initiative.} b4 18. Na4 $1 Nb8 {[#]} (18... b3 {is a better defense.} 19. Qxb3 Nb4) 19. d5 $1 $18 Ba6 20. Qd4 exd5 21. exd5 Bd6 {[#]} (21... Re8 $142 22. Nc6 Nxc6 23. dxc6 Be2) 22. Nc6 $1 {[%cal Rc6d8]} Qc7 23. Rdc1 Rce8 24. Nxb4 Qe7 25. Nc6 Nxc6 26. dxc6 Bb5 27. Nb6 {Precision: White = 80%, Black = 44%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.12"]
[Round "1"]
[White "Perez Ponsa, Federico"]
[Black "Slipak, Sergio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2594"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "168"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,168,29,31,36,38,34,31,29,27,37,5,3,0,47,16,137,141,139,114,130,130,122,92,91,91,91,91,91,93,93,83,84,95,98,74,65,62,61,64,61,65,61,66,77,76,71,60,77,76,70,17,86,101,89,76,187,184,222,211,232,220,228,228,227,211,197,200,164,106,87,96,107,91,95,95,72,51,68,68,59,38,64,35,90,80,79,82,114,109,1035,976,1035,1035,764,8,8,8,8,8,8,8,8,0,15,0,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} a6 5. Nf3 Nf6 6. g3 Bg4 7. Bg2 {B01: Skandinavische Verteidigung} Nc6 (7... c6 8. O-O e6 9. h3 Bxf3 10. Bxf3 Be7 11. b3 O-O 12. Bb2 Nbd7 13. Ne2 Rad8 14. Re1 Rfe8 {0-1 (64) Hou,Y (2663)-Megaranto,S (2535) Almaty 2016}) 8. O-O O-O-O 9. d5 Ne5 10. Bf4 Nxf3+ 11. Bxf3 {LiveBook: 36 Partien} Bxf3 12. Qxf3 e5 13. dxe6 Qxe6 14. Bg5 Bd6 15. Rfe1 (15. Rae1 $5 {[%cal Re1e6]} Be5 16. Bf4 $14) 15... Be5 16. Re2 {[#]} Rde8 $146 (16... h6 $5 {[%cal Rh6g5]} 17. Bf4 Nd7 $11) ({Vorgänger:} 16... h6 17. Bf4 Nd7 18. Rd1 f6 19. Red2 Bxf4 20. Qxf4 Nb6 21. Kg2 Rxd2 {½-½ (21) Hedlund,T (2534)-Spitz,P (2533) ICCF email 2007}) 17. Rae1 $36 {[%mdl 2048] Weiss drückt.} Qd6 (17... Nd7 $1 $11) 18. Bxf6 $16 gxf6 19. Nd5 {[%cal Bc3d5,Bd5e3,Be3g4][%mdl 32]} Rd8 20. Ne3 Qc5 21. Qf5+ Kb8 22. Ng4 Bd4 23. Qxc5 Bxc5 24. c3 Rd6 25. Nh6 Rd7 26. Kf1 Rhd8 27. Re8 Kc8 28. R1e2 Rd1+ 29. Kg2 $1 Rxe8 30. Rxe8+ $14 {[%mdl 4096] Endspiel KTL-KTS} Kd7 31. Re2 Bf8 32. Ng4 Rd6 33. Kf3 b5 34. Ne3 a5 35. Re1 (35. Kg4 $14) 35... Rc6 (35... Rd2 $11 {hält das Gleichgewicht.}) 36. Rd1+ $16 Bd6 37. Rd5 Rb6 (37... Rc5 $16) 38. Ke4 $18 Ke6 39. Nf5 b4 40. c4 (40. Rxa5 $6 bxc3 41. Nd4+ (41. bxc3 Rb2 $16) 41... Kd7) 40... Be5 41. b3 ({Jedoch nicht} 41. Rxa5 $6 Bxb2 42. c5 Rc6 $16) 41... Ra6 42. Nd4+ Bxd4 43. Kxd4 {KT-KT} ({Nicht} 43. Rxd4 a4 $11) 43... a4 44. Rb5 ({Besser ist} 44. Kc5 $18) 44... axb3 $16 45. axb3 Ra2 46. Ke3 ({Viel schwächer wäre} 46. Rxb4 $6 Rxf2 47. Ra4 h5 $11) 46... c5 47. Rxc5 Rb2 48. Rb5 Rxb3+ 49. Ke4 f5+ $1 50. Kf4 Rb2 51. f3 Rxh2 (51... Rb3 $14) 52. Rb6+ Ke7 53. Rxb4 h5 54. Kxf5 h4 $2 {[%mdl 8192]} (54... Rh3 $16) 55. Rb7+ Ke8 56. gxh4 Rxh4 57. f4 $2 (57. c5 $18 {Mit der Idee Ke5.} Rh5+ 58. Kf6) 57... Rh5+ $1 $11 {Die Stellung ist ausgeglichen.} 58. Kf6 Rh6+ 59. Ke5 Re6+ $1 60. Kd5 {Schwarz sollte f5 verhindern.} Rf6 61. Ke5 Re6+ $1 62. Kd5 {und nun wäre f5 stark für Weiss.} Rf6 63. c5 {Droht stark Ke5.} Rxf4 64. Kd6 {[%cal Rb7b8] [#]} (64. Ra7 {with more complications.} Rf6 65. Kd4 Rf1 66. c6 Rd1+ 67. Ke3) 64... Rd4+ 65. Kc7 Ke7 66. c6 {Und weiter mit Kb8+ wäre nett.} Ke6 67. Rb5 Rc4 68. Kb7 f5 69. c7 Kd7 $1 70. Rd5+ Ke6 71. Rb5 Kd7 $1 72. Rd5+ Ke6 73. Rd8 f4 74. c8=Q+ (74. Kb6 {looks sharper.} Rxc7 75. Kxc7 Ke5 76. Rf8 Ke4 77. Kd6) 74... Rxc8 75. Rxc8 {[#] Schwarz muss nun Tc5 beachten. KT-KB} Kd5 76. Kb6 f3 77. Kb5 Kd4 78. Kb4 f2 79. Rf8 Ke3 80. Kc3 Ke2 81. Re8+ Kf3 82. Kd2 {jetzt Tf8+ und aus.} f1=Q {( -> ...Dg2+)} 83. Rf8+ Kg2 84. Rxf1 Kxf1 {Precision: Weiß = 69%, Schwarz = 57%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.12"]
[Round "1"]
[White "Flores, Diego"]
[Black "Real De Azua, Ernesto"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2574"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,37,41,40,50,30,10,12,4,-37,-48,-37,-39,-58,-58,-68,-64,-66,-54,-67,-70,-116]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bf4 Nc6 5. c3 Nf6 6. Nf3 Bg4 7. Qb3 Na5 8. Qa4+ Bd7 9. Qc2 e6 10. Bd3 {LiveBook: 3 Partien} Qb6 {B13: Caro-Kann (Abtausch-Variante 4.c4)} 11. b4 $146 ({Vorgänger:} 11. O-O Bb5 12. Bxb5+ Qxb5 13. Nbd2 Be7 14. Rae1 Rc8 15. Ne5 Nc6 16. Qb1 Nxe5 17. Bxe5 O-O 18. Re3 {1-0 (114) Bacrot,E (2715)-Fier,A (2579) Tbilisi 2017}) 11... Nc4 12. Bxc4 dxc4 {Die Stellung ist ausgeglichen.} 13. Nbd2 Nd5 {Schwarz steht etwas besser.} 14. Bg3 a5 15. b5 Bxb5 16. a4 Ba6 17. O-O Be7 18. Ne5 Qd8 19. Nexc4 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.12"]
[Round "1"]
[White "Pichot, Alan"]
[Black "Krysa, Leandro"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2571"]
[BlackElo "2545"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,28,38,-8,0,0,0,0,0,0,11,14,33,26,44,27,47,30,36,14,28,25,27,29,22,42,42,57,46,44,58,54,54,34,27,20,31,19,16,10,14,12,14,9,18,9,12,6,11,2,2,1,6,0,12,0,0,0,3,6,5,0,11,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 {[%cal Be7e5,Be5e4][%mdl 32]} 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Ba4 {[%mdl 1024] White has compensation. C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} (6. Bxc6 $5 bxc6 7. dxe5 $16) (6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. h3 Be7 10. Nc3 Nh4 11. Nxh4 Bxh4 12. Be3 Bd7 13. Rad1 Kc8 14. g4 Re8 15. f4 h5 16. Rd4 c5 17. Re4 {½-½ (42) Navara,D (2737)-Grischuk,A (2783) Tbilisi 2017}) 6... e4 7. Ne5 Be7 8. Nc3 O-O 9. Re1 Nf5 10. Rxe4 Nxe5 11. dxe5 c6 12. Bf4 d5 13. exd6 $1 Bxd6 14. Bb3 $146 ({Predecessor:} 14. Bxd6 Qxd6 {½-½ (27) Jasny,S (2368)-Sosna,J (2347) Czech Republic 2017}) 14... Qc7 15. Qd2 (15. Qg4 {is more complex.} Bxf4 16. Qxf4 Qxf4 17. Rxf4 g5 18. Re4) 15... Bxf4 16. Qxf4 Qxf4 17. Rxf4 Be6 18. Bxe6 fxe6 19. Re4 Kf7 20. Rae1 Rfe8 21. Rb4 b6 22. Rf4 {And now g4 would win.} Kg8 23. Rfe4 Rad8 {The position is equal.} 24. Kf1 (24. f3 {looks sharper.} Nd4 25. Rc1 c5 26. Kf2 Kf7 27. Ree1) 24... Nd4 25. Rc1 c5 26. Re3 Rd7 27. Ne4 Nf5 28. Re2 h6 29. c3 Red8 30. Rce1 Kf7 31. g3 Ne7 32. f4 Rd1 33. Nf2 Rxe1+ 34. Kxe1 $11 {[%mdl 4096] Endgame KRN-KRN} Nc6 35. Ng4 Rd6 36. Ne3 Kf6 37. Nc4 Rd5 38. a4 h5 39. Rf2 e5 40. Ne3 Rd7 41. f5 e4 42. Rf4 Ne7 43. Rxe4 {Precision: White = 51%, Black = 68%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.12"]
[Round "1"]
[White "Sosa, Tomas"]
[Black "Dolezal, Cristian"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2466"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "175"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,175,27,21,20,49,46,60,54,53,47,47,64,49,2,53,51,68,43,44,41,43,26,76,37,39,41,50,37,47,9,56,19,61,27,25,0,38,18,57,61,49,38,41,27,52,40,42,54,52,33,39,0,0,0,10,10,10,16,6,0,18,0,0,0,0,0,0,-56,0,0,0,0,58,66,66,72,53,53,58,59,59,63,54,62,105,104,106,0,0,0,109,93,91,113,98,86,88,47,62,47,47,47,47,42,50,39,47,46,58,58,64,92,122,122,122,122,139,126,126,140,245,235,243,214,331,319,320,320,400,293,294,0,402,410,388,368,416,385,402,404,337,231,545,547,547,512,623,588,541,497]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. O-O Bd6 11. Nf3 O-O 12. Bf4 Nh5 13. Bxd6 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} Qxd6 14. Nc3 Nf4 {LiveBook: 4 Games} 15. Bb5 {The position is equal.} Ne7 $146 ({Predecessor:} 15... Bd7 16. Bxc6 bxc6 17. Ne5 c5 18. Nxd7 Qxd7 19. dxc5 Qc6 20. Ne2 {½-½ (20) Svane,R (2506)-Galyas,M (2421) Oslo 2014}) 16. Re1 a6 17. Bf1 Bd7 18. Ne5 Be8 19. g3 Nfg6 20. Bh3 Nf5 (20... Nxe5 $11 21. Rxe5 Bf7) 21. Qd2 $14 Qb6 22. Bxf5 (22. Rad1 {is interesting.} Rc8 23. b3 Rc7 24. Nxg6 Bxg6 25. Na4) 22... Rxf5 23. Nxg6 Bxg6 24. f4 Rf6 25. Rac1 Bf5 26. Na4 Qb5 27. b3 b6 28. Rc7 {aiming for Rb7.} Rb8 29. Rec1 h5 30. Nc3 Qe8 31. h4 Qg6 32. Kf2 Qg4 33. Qe2 Qh3 34. Qf1 Qg4 35. Qd1 Qh3 {And now ...Qh2+ would win.} 36. Qh1 ({But not} 36. Qxh5 $2 Bg4 $19) 36... Qg4 37. Qf3 Qg6 38. Qe2 Rbf8 39. Qe5 ({Wrong is} 39. Qxa6 $2 Bd3 $19) 39... Qg4 $36 {[%mdl 2048] Black is pushing.} 40. Qe2 {next Qxg4 is good for White.} Qh3 {Hoping for ...Qh2+.} 41. Qf1 {White wants to play Qxh3.} Qg4 $1 42. Qd1 {Threatening Qxg4.} Qg6 43. Qf3 b5 44. Ke1 b4 45. Na4 Be4 46. Qe3 Qf5 {...Rg6 is the strong threat.} 47. Rc8 (47. Nc5 $11) 47... Qh3 (47... Rg6 $1 $15 48. Nb6 Qh3) 48. Rxf8+ $11 Kxf8 49. Ke2 $1 Qg2+ (49... Rg6 $11 50. Rg1 Bg2) 50. Qf2 $1 $14 {[%cal Rf2g2] [#] Threatens to win with Qxg2.} Bd3+ $1 {[%mdl 512]} 51. Ke3 (51. Kxd3 Qxf2) 51... Qe4+ 52. Kd2 Bb5 53. Nc5 Qf5 54. Re1 Rg6 55. Kc1 Kf7 56. Kb2 Qg4 57. Re3 (57. Rg1 $16) 57... Qd1 $11 58. Re1 ({White should try} 58. Re5 $11) 58... Qg4 $16 59. Rg1 Qh3 60. a3 bxa3+ 61. Kxa3 Kg8 62. Qf3 (62. Nb7 {with more complications.} Qf5 63. Kb4 Kh7 64. Qd2 Bd7 65. Nc5) 62... Qh2 63. Qg2 Qxg2 64. Rxg2 $14 {[%mdl 4096] Endgame KRB-KRN} Kf7 65. Kb4 Kf6 66. Kc3 Kf5 67. Kd2 $1 Kg4 68. Ke3 Rf6 69. Rg1 Rf8 70. Kf2 e5 71. dxe5 Rc8 72. Rc1 $1 d4 73. b4 d3 (73... g6 $16 {is a better defense.} 74. e6 Kf5) 74. Nxd3 $1 $18 Rd8 75. Nc5 Rd2+ {[#]} (75... Rd4 $142 76. Ke3 Rxb4) 76. Ke3 $1 {[%cal Re3d2]} Re2+ 77. Kd4 Rd2+ 78. Kc3 Re2 79. Kd4 Rd2+ $1 {[#]} 80. Ke4 $1 Re2+ 81. Kd5 Kxg3 82. Rg1+ Kxf4 83. Ne6+ Ke3 84. Nxg7 Rh2 $2 (84... Rd2+ 85. Kc5 Rc2+ 86. Kd6 Rd2+ 87. Ke7 Rh2 88. Nf5+ Ke4) 85. Nf5+ {White is clearly winning.} Kf4 86. Nd4 Ba4 87. Ra1 Be8 88. Rxa6 {Precision: White = 63%, Black = 65%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.12"]
[Round "1"]
[White "Villanueva, Mario"]
[Black "Valerga, Diego"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2451"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,34,21,16,22,15,16,22,-2,20,17,21,21,24,0,14,0,34]} 1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 c5 5. exd5 exd5 6. Be2 Nc6 7. O-O cxd4 8. Re1 Be7 9. Nb3 Nf6 10. Nfxd4 O-O 11. Bd3 {C08: French Tarrasch: 3...c5 4 exd5 exd5 sidelines} Bg4 $146 ({Predecessor:} 11... Re8 12. c3 Bg4 13. Qc2 h6 14. h3 Bd7 15. Bf4 Qb6 {½-½ (70) Ibarra Jerez,J (2569)-Del Rio de Angelis,S (2511) Linares 2017}) 12. f3 Bd7 13. Be3 {[%cal Bc1e3,Be3f2,Bf2g3][%mdl 32]} Re8 14. Bf2 Qc7 15. Bg3 Qb6 16. Bf2 Qc7 17. Bg3 Qb6 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.12"]
[Round "1"]
[White "Pierrot, Facundo"]
[Black "Cuberli, Emiliano"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2405"]
[BlackElo "2248"]
[Annotator "ChessBase"]
[PlyCount "74"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. Bg5 O-O 9. a4 Be6 10. Bxf6 Bxf6 11. O-O Nc6 12. Nd5 Bxd5 13. Qxd5 Qc7 14. Rfd1 Rfd8 15. c3 Ne7 16. Qb3 Rac8 17. a5 d5 18. exd5 e4 19. Ne1 Be5 20. g3 Kh8 21. Ra4 f5 22. Rc4 Qd7 23. Rb4 Rb8 24. Nc2 Rf8 25. Nd4 Qxd5 26. Bc4 Qxa5 27. Ra4 Qc5 28. Ne6 Qa7 29. Nxf8 Rxf8 30. Rd7 e3 31. Rxe7 exf2+ 32. Kf1 Qe3 33. Be2 f4 34. Rxf4 Qc1+ 35. Qd1 Bxf4 36. gxf4 Qxf4 37. Qd4 Qg5 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.13"]
[Round "2"]
[White "Pichot, Alan"]
[Black "Flores, Diego"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2571"]
[BlackElo "2574"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 39,43,30,55,15,19,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 Be6 11. f3 Qa5 12. Rc1 Rfc8 13. b3 a6 14. Na4 Qxd2+ 15. Kxd2 Nd7 16. g4 f5 17. exf5 {B36: Sicilian: Maroczy Bind: Gurgenidze System} gxf5 18. h3 Rf8 19. f4 (19. Rhe1 Rad8 20. Nc3 d5 21. cxd5 Nf6 22. Bb6 Rd7 23. Bd3 Bxd5 24. Bxf5 e6 {½-½ (56) Savchenko,B (2585)-Timofeev,A (2549) Sochi 2017}) 19... Rad8 20. Nc3 d5 {LiveBook: 30 Games} 21. Nxd5 Nf6 22. Ke1 {Predecessor:} Nxd5 $146 23. cxd5 Bxd5 24. Bc4 e6 {½-½ (46) Janska,J (2041)-Kanakova,N (2007) Kouty nad Desnou 2015} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.13"]
[Round "2"]
[White "Krysa, Leandro"]
[Black "Valerga, Diego"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2545"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,87,0,12,0,7,0,0,-1,0,0,0,0,0,0,7,0,0,-59,-19,-10,-20,-72,-9,-14,0,-11,-9,-23,0,-31,0,0,0,-32,-29,-30,-29,-20,-29,-45,-35,-37,-45,-72,-49,-29,-29,-29,-21,-21,-22,-19,-10,-10,0,0,0,-13,-4,-9,0,-8,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. g4 Be6 8. h4 Nd7 9. Bg3 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} (9. g5 h6 10. g6 f5 11. h5 Ngf6 12. f3 Nb6 13. Qc2 O-O 14. Bd3 Qd7 15. Qh2 Nc4 16. b3 Nd6 {0-1 (58) Van Kampen,R (2643)-Bruzon Batista,L (2643) Linares 2017}) 9... Nb6 10. Bd3 Bd6 11. Qf3 h5 $146 ({Predecessor:} 11... Bxg3 12. Qxg3 Qb8 13. Qxb8+ Rxb8 14. f3 Ne7 15. Nge2 h5 16. gxh5 Rxh5 {½-½ (25) Santos,M (2341)-Molina,R (2419) Cuiaba 2011}) 12. g5 Ne7 13. Nge2 Bg4 14. Qg2 Bf5 15. Bxf5 Nxf5 16. g6 (16. e4 $11 Bxg3 17. Nxg3 Nxg3 18. Qxg3) 16... fxg6 {Threatens to win with ...Bxg3.} 17. Bxd6 Qxd6 18. O-O-O (18. Nf4 $11) 18... O-O-O ({Better is} 18... O-O $17 {With the idea ...Nc4.} 19. Nf4 Rf6) 19. Nf4 $11 Ne7 20. Nd3 Rhf8 21. Ne2 Nc4 22. b3 Qa3+ 23. Kb1 Nd6 24. Nc3 Rf6 25. Rc1 Kb8 26. Rc2 Ka8 27. Ne5 Nf7 28. Nxf7 Rxf7 29. Ne2 {[%cal Bc3e2,Be2c1,Bc1d3,Bd3e5][%mdl 32]} Qd6 (29... Rf6 {seems wilder.} 30. Nc1 Nf5 31. Nd3 Re8 32. Ne5 Qd6) 30. Nc1 Qf6 31. Nd3 Qf5 32. Ne5 {The position is equal.} Rf6 33. Kb2 Qe4 34. Rh2 Nf5 (34... b6 {with more complications.} 35. b4 Qf5 36. Qh3 Kb7 37. a4 Rc8) 35. Qxe4 dxe4 36. Rc1 Ne7 37. b4 a6 38. Kb3 Rf5 39. Rg1 Rd6 40. Rhg2 Rdf6 41. Nd7 $1 Rf7 42. Ne5 $1 {[%cal Re5f7]} R7f6 43. Nd7 $1 Rf7 44. Ne5 $1 {Precision: White = 61%, Black = 52%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.13"]
[Round "2"]
[White "Real De Azua, Ernesto"]
[Black "Sosa, Tomas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2484"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,25,42,33]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c5 5. cxd5 exd5 6. Bg2 Nc6 7. O-O Be7 8. Nc3 O-O 9. Bg5 c4 10. Ne5 Be6 11. Nxc6 bxc6 12. b3 Qa5 13. Qc2 {LiveBook: 89 Games} {Predecessor:} Rfd8 $146 14. e3 Rac8 15. bxc4 c5 16. Ne2 dxc4 17. d5 Bxd5 18. Rad1 Bxg2 19. Kxg2 Qa6 20. Nc3 Rd3 21. Bxf6 Bxf6 {½-½ (32) Sargissian,G (2690)-Popilski,G (2493) Douglas 2014} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.13"]
[Round "2"]
[White "Slipak, Sergio"]
[Black "Pierrot, Facundo"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2437"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,51,18,0,39,31,29,25,37,24,52,27,85,75,68,79,137,136,143,128,131,62,308,288,379,389,390,309,454,463,473,468,572,576,576,575]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. e3 O-O 5. Be2 c5 6. O-O d5 7. c3 b6 8. Nbd2 Nbd7 9. a4 a6 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5} 10. b4 {LiveBook: 14 Games} a5 $146 ({Predecessor:} 10... Bb7 11. a5 cxb4 12. cxb4 b5 13. Rc1 Ne8 14. Nb3 Nd6 15. Ne1 Nc4 16. Nd3 Ra7 17. Bh4 {0-1 (54) Kramnik,V (2783)-Caruana,F (2802) Shamkir 2015}) 11. bxc5 bxc5 {White is slightly better.} 12. Bb5 Ba6 13. Rb1 h6 14. Bh4 g5 (14... Qc7 $11) 15. Bg3 $16 Nh5 16. Be5 f6 {[#]} ({Black should play} 16... Nhf6) 17. Bg3 $1 Nxg3 18. hxg3 Qc7 19. e4 (19. c4 $16) 19... Bb7 $2 (19... dxe4 $1 $14 20. Nxe4 f5 21. Nxc5 Nxc5 22. dxc5 Qxc5) 20. Qb3 $18 Rab8 21. exd5 {[#] Threatens to win with d6+.} Kh8 22. c4 Rfc8 (22... cxd4 $142 23. Nxd4 Nc5) 23. Rfe1 {White is clearly winning.} Nf8 24. Qa3 Ng6 25. dxc5 Qxc5 26. Qxc5 {Precision: White = 67%, Black = 20%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.13"]
[Round "2"]
[White "Dolezal, Cristian"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2426"]
[BlackElo "2594"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,111,13,7,0,7,4,7,7,8,14,6,6,18,1,8,0,0,0,0,-16,-8,-8,-10,-14,-10,-13,-5,0,0,-12,0,0,0,0,0,0,0,0,0,0,-2,-46,-8,-8,-8,-16,-8,-38,-7,-16,-8,-8,-3,-56,-56,-60,-56,-85,-89,-89,-89,-89,-89,-91,-75,-100,-83,-83,-89,-83,-8,-75,-80,-230,-222,-210,-108,-94,-91,-104,0,-8,4,4,4,4,4,4]} 1. e4 c5 2. Nf3 e6 {[%cal Be7e6,Be6e5][%mdl 32]} 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. Bg5 Be6 8. Bxf6 gxf6 9. exd5 Qxd5 10. Qxd5 Bxd5 11. Nc3 Be6 12. O-O-O {B55: Sizilianisch (Rauser Anti-Drachen-Variante)} Nc6 13. Ne4 (13. Bb5 Rc8 14. Nd5 f5 15. Na5 Bh6+ 16. Kb1 Kf8 17. Nb3 Kg7 18. Rhe1 Rhd8 19. Nc3 Rxd1+ 20. Nxd1 {0-1 (56) Harikrishna,P (2758)-Giri,A (2769) Shenzhen 2017}) 13... Ke7 {LiveBook: 3 Partien} 14. Nec5 Bh6+ 15. Kb1 b6 16. Nxe6 fxe6 17. Bb5 Rac8 18. c3 $146 ({Vorgänger:} 18. Rd3 Rhd8 19. Rxd8 Kxd8 {½-½ (42) Gara,T (2377)-Zakurdjaeva,I (2248) Germany 2013}) 18... Rhd8 19. Rxd8 Nxd8 20. Rd1 {zielt auf Td7+ ab.} Rc7 21. Re1 Nf7 22. Re4 Bf4 {Und ...Sd6 würde nun gewinnen.} 23. g3 f5 24. Re1 Bh6 25. a4 Kf6 26. Rd1 Bf8 27. Be2 a5 28. Nd2 Nd6 29. Kc2 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 30. Kb3 h4 31. Nc4 Nf7 32. Kc2 Bc5 33. Rb1 Rc8 34. b4 axb4 35. cxb4 Bd4 36. Kb3 Nd6 37. Bf1 Nxc4 38. Bxc4 $11 {[%mdl 4096] Endspiel KTL-KTL} Rg8 39. g4 (39. gxh4 $11 Rh8 40. a5) 39... fxg4 $15 40. fxg4 Rxg4 41. Re1 e4 42. a5 bxa5 $1 43. bxa5 Ke5 44. a6 Rf4 45. Rf1 Rf5 46. Be2 Rg5 47. Re1 Kf4 ({Günstiger ist} 47... Rg8 $17) 48. Kc4 (48. Rf1+ $11 {hält das Gleichgewicht.} Ke5 49. Re1) 48... Ba7 49. Kb4 (49. Kb3 $17 {ist eine bessere Verteidigung.}) 49... Rg2 $19 50. Rf1+ Ke3 (50... Ke5 $19 51. Bc4 Rb2+ 52. Ka3 Rxh2) 51. Bc4 $17 Rf2 {Droht stark ...Txf1.} 52. Rd1 {[#]} Bd4 ({Doch nicht} 52... Rxh2 53. Rd7 $15) (52... Rd2 $1 $17 {[%cal Rd2d1]} 53. Rh1 e5) 53. Bxe6 $11 {Die Stellung ist ausgeglichen.} Rf6 ({Falsch wäre} 53... Rxh2 $2 {[#]} 54. Rxd4 $1 {[%mdl 512]} Rh1 55. a7 $18) 54. Re1+ Kf4 55. Rf1+ Ke5 56. Rxf6 {Precision: Weiß = 51%, Schwarz = 55%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.13"]
[Round "2"]
[White "Acosta, Pablo Ismael"]
[Black "Villanueva, Mario"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2409"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,83,-22,-33,-54,-50,-51,-46,-54,-54,-69,-47,-75,-66,-104,-100,-86,-94,-104,-105,-91,-29,-26,-20,-32,-25,-18,-20,-24,0,0,0,-3,-2,-8,-9,-9,0,0,0,0,0,0,0,0,211,210,200,193,108,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. Qa4 Qd7 {E04: Open Catalan: 5 Nf3} 9. Bxc6 (9. Qxc4 Nxd4 10. O-O O-O-O 11. Nc3 e5 12. Bg5 Qe6 13. Qa4 Bc5 14. e3 Nc6 15. Rac1 Bb6 16. Bxf6 gxf6 {½-½ (69) Bindrich,F (2594)-Ponomariov,R (2710) Berlin 2015}) 9... Qxc6 10. Qxc6+ bxc6 11. O-O O-O-O {LiveBook: 3 Games} 12. e3 c5 13. dxc5 Rd5 14. c6 $146 ({Predecessor:} 14. Nc3 Rd3 15. c6 Bb4 16. Ne2 {0-1 (33) Yuan,Y (2212)-Ju,W (2568) China 2016}) 14... Rd6 15. b4 Rxc6 16. b5 Rc5 17. a4 c3 18. Ba3 Rc4 19. Bxf8 Rxf8 20. Rc1 Ne4 (20... Nd5 $17) 21. f3 $11 Nc5 {[#] Threatens to win with ...Nb3.} 22. Rxc3 Rxa4 23. Na3 $1 Nb7 24. Rac1 Kb8 25. Nc4 f6 26. Nb2 $1 {[%cal Rb2a4]} Ra5 27. Rxc7 Rxb5 28. Nd3 $1 $36 {[%mdl 2048] White fights for an advantage.} g5 29. Rxh7 a5 30. h4 gxh4 31. gxh4 a4 32. Ra1 Rb3 $2 {[#]} (32... Rd8 $11 {and Black is okay.} 33. Nf2 a3) 33. Rxa4 $18 {aiming for Nb4.} Rxd3 34. Rb4 Rg8+ (34... Kc8 $18) 35. Kh2 (35. Kf1 $16) 35... Rd2+ $11 {The position is equal.} 36. Kh3 Rf2 37. Rbxb7+ Kc8 38. Rhg7 Rxf3+ 39. Kg4 Rxe3 40. Rbc7+ Kd8 41. Rcd7+ Ke8 42. Rde7+ {Precision: White = 75%, Black = 74%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.13"]
[Round "2"]
[White "Cuberli, Emiliano"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2248"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,48,-69,-60,-78,-64,-78,-84,-69,-62,-94,-83,-114,-64,-101,-87,-192,-193,-180,-137,-137,-131,-147,-137,-180,-182,-185,-182,-475,-446]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nf6 7. Qd2 Bb4 8. f3 d5 9. Nde2 {B43: Sizilianisch (Paulsen-Variante)} dxe4 10. a3 Ba5 11. b4 (11. O-O-O Nbd7 12. Bf4 e5 13. Bg5 O-O 14. Ng3 Bxc3 15. bxc3 Qa5 16. Kb2 Nc5 17. Bxf6 {1-0 (68) Nakamura,H (2775)-Van Wely,L (2654) Dubai 2014}) 11... Bb6 {LiveBook: 3 Partien} 12. Bxb6 Qxb6 13. Nxe4 Nxe4 14. fxe4 O-O 15. Ng3 $146 ({Vorgänger:} 15. Qd4 Qc7 16. Qc3 Nc6 {0-1 (24) Kraus,T (2402)-Babula,V (2542) Havlickuv Brod 2015}) 15... a5 {Droht ...axb4 und aus.} 16. b5 Nd7 17. Qf2 Qc7 18. Bd3 (18. Qe3 $17) 18... Qc3+ $19 19. Ke2 Nc5 20. Rhd1 b6 21. Kf1 Bb7 22. Qf4 Rad8 {[%cal Rc5d3]} 23. Ne2 Qb2 {zielt auf ...f5! ab.} ({Finger weg von} 23... Nxd3 24. cxd3 Qb3 25. Qc7 $17) 24. Ng3 $2 {[#]} (24. Qc1 Qf6+ 25. Qf4) 24... f5 $1 {[%mdl 512] Precision: Weiß = 21%, Schwarz = 52%.} 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.14"]
[Round "3"]
[White "Mareco, Sandro"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2644"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,61,28,37,22,33,54,45,49,48,46,44,20,26,18,58,38,27,29,29,29,27,23,29,0,40,54,146,139,140,146,230,232,367,366,368,366,358,357,469,452,563,552,605,592,727,660,672,645,658,645]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 Na6 7. Nc3 {E06: Closed Catalan: Early deviations} dxc4 {LiveBook: 3 Games} (7... c5 8. cxd5 exd5 9. dxc5 Nxc5 10. Be3 Be6 11. Rc1 Rc8 12. Bd4 h6 13. e3 a6 14. Ne2 Qa5 15. a3 Nce4 16. Qb3 b5 17. Nf4 {1-0 (40) Georgiev,K (2662)-Radulski,J (2593) Albena 2010}) 8. Ne5 c5 9. dxc5 {White is slightly better.} Qc7 {[#] And now ...Rd8 would win.} 10. Nxc4 Rd8 11. Bd2 $146 ({Predecessor:} 11. Qb3 Nxc5 12. Qc2 e5 13. Bg5 Be6 14. Ne3 Na6 {1-0 (43) Zimmerman,Y (2379)-Radulski,J (2515) Cappelle-la-Grande 2006}) 11... Qxc5 12. b3 Nb4 13. Rc1 Qh5 14. a3 $36 {[%mdl 2048] White has good play.} Nc6 ({Not} 14... Ng4 $2 15. h3 $18) 15. e3 Qxd1 16. Rfxd1 Bd7 17. Be1 Be8 18. Nb5 Rxd1 19. Rxd1 Rd8 ({Black should play} 19... Kf8 $14) 20. Rxd8 $16 Nxd8 21. Nxa7 Bd7 (21... b5 $16) 22. Ba5 $18 b5 (22... Nd5 $142 23. Ne5 Nc6) 23. Ne5 Kf8 24. Nxd7+ Nxd7 25. Nxb5 Ne5 26. Bc3 {White is clearly winning.} f6 27. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Nec6 28. a5 Bb4 29. Bxc6 Nxc6 30. Bxb4+ Nxb4 31. Nc7 {Precision: White = 93%, Black = 51%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.14"]
[Round "3"]
[White "Perez Ponsa, Federico"]
[Black "Real De Azua, Ernesto"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2594"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,73,24,23,16,37,36,50,0,0,4,14,9,16,15,23,-1,-18,-14,0,0,0,0,20,-1,32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,-6,-6,0,-19]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. O-O O-O 7. a4 a5 8. Bg5 {C54: Italienische Partie (Hauptvariante)} h6 9. Bh4 g5 10. Bg3 Kg7 {LiveBook: 3 Partien} 11. Na3 Bxa3 $146 ({Vorgänger:} 11... Bg4 12. Nc2 Nh5 13. Ne3 Bxe3 14. fxe3 Nxg3 15. hxg3 {1-0 (37) Karjakin,S (2781)-So,W (2812) Paris 2017}) 12. Rxa3 Be6 13. Qb3 Bxc4 14. Qxc4 Qc8 15. Rb3 Rb8 16. Nd2 Qe6 17. Qxe6 fxe6 18. f3 Nh5 (18... b6 {is more complex.} 19. Ra3 Nh5 20. Raa1 Kf6 21. Nc4 Rbd8) 19. Nc4 Nxg3 (19... Kg6 {feels hotter.} 20. Rd1 Nxg3 21. hxg3 h5 22. Ne3 Rh8) 20. hxg3 b6 21. Rd1 Rbd8 22. Ra3 h5 {Die Stellung ist ausgeglichen.} 23. Raa1 Rf7 24. Kf2 Kg6 25. Ke2 Rh7 26. Rac1 d5 27. Na3 h4 28. gxh4 Rxh4 29. Nb5 Rd7 30. Rh1 Rdh7 31. Rxh4 gxh4 $11 {[%mdl 4096] Endspiel KTS-KTS} 32. Rh1 Nb8 33. d4 c6 34. Na3 Nd7 35. Nc2 dxe4 36. fxe4 Nf6 37. dxe5 {Precision: Weiß = 47%, Schwarz = 63%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.14"]
[Round "3"]
[White "Flores, Diego"]
[Black "Krysa, Leandro"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2574"]
[BlackElo "2545"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,54,-7,-4,-14,-6,-9,-3,-12,5,-7,-8,-16,0,0,0,-2,0,-2,0,0,5,5,5,6,8,11,22,10,10,10,10,10,10,10,10,10,10,10,10,8,8,8,8,8,8,8,10]} 1. g3 Nf6 2. Bg2 d5 3. Nf3 g6 4. b4 c6 5. Bb2 a5 {The position is equal.} 6. a3 {A07: Réti Opening: New York and Capablanca Systems} axb4 7. axb4 Rxa1 8. Bxa1 Qb6 $146 ({Predecessor:} 8... Na6 9. c3 Bg7 10. d3 O-O 11. O-O Bg4 12. Nbd2 Nd7 13. h3 Bxf3 14. Bxf3 e6 15. Bg2 Qb6 16. Qc2 Ra8 17. Bb2 Nc7 18. Ra1 Rxa1+ 19. Bxa1 {½-½ (19) Smyslov,V (2580)-Grefe,J (2420) Lone Pine 1976}) 9. Bxf6 exf6 10. c3 Bd6 11. O-O O-O 12. d3 Bg4 13. Nbd2 Na6 14. Qc2 Bxf3 15. Bxf3 Nc7 16. Ra1 f5 17. e3 Ne6 18. c4 {aiming for c5.} Bxb4 19. cxd5 cxd5 20. Bxd5 Qc5 21. Qxc5 Nxc5 22. d4 Bxd2 23. dxc5 Rc8 24. Rd1 Ba5 25. Rc1 Bb4 26. Rb1 Rxc5 27. Bxb7 Bc3 {Precision: White = 66%, Black = 70%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.14"]
[Round "3"]
[White "Sosa, Tomas"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2466"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,94,29,32,29,16,8,-3,0,-13,-14,-20,10,-9,0,0,8,-25,0,-3,-17,-21,-14,-15,-5,-3,-2,-22,-20,-31,-29,-22,-18,-29,-20,-100,-89,-111,-89,-160,-154,-158,-163,-267,-264,-233,-252,-244,-266,-250,-230,-411,-403,-374,-322,-293,-265,-285,-246,-470,-279,-937,-660,-29987,-639,-29975,-29976,-29976,-29977,-29972,-29973,-29985,-29986,-29986,-29987,-29987,-29988,-29989,-29990]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. c3 Nf6 6. Re1 a6 7. Ba4 b5 8. Bc2 Bg4 9. h3 Bxf3 10. Qxf3 {LiveBook: 65 Partien} e6 {B51: Sizilianisch (Rossolimo-Variante)} (10... g6 11. a4 Rb8 12. axb5 axb5 13. Qd1 Bh6 14. Na3 O-O 15. Bd3 c4 16. Bf1 Na5 17. d3 Bxc1 18. Rxc1 cxd3 19. Qxd3 {½-½ (25) Andriasian,Z (2612)-Moiseenko,A (2695) Jerusalem 2015}) 11. a4 Be7 12. axb5 axb5 {[%cal Ba6b5,Bb5b4][%mdl 32] Die Stellung ist ausgeglichen.} 13. Rxa8 Qxa8 14. Na3 Qb7 $146 15. Qe2 b4 16. Nc4 O-O 17. Ba4 Ra8 18. b3 Bf8 19. Bb2 bxc3 20. Bxc3 Nd4 $36 {[%mdl 2048] Schwarz steht aktiver.} 21. Bxd4 cxd4 22. Nxd6 Bxd6 23. e5 {[#]} Bxe5 $1 {[%mdl 512]} 24. Qxe5 Qb4 25. Qe2 Rc8 26. Qd3 (26. Qa6 $11 Rc2 27. Qa8+ Qf8 28. Qf3) 26... Rc5 $17 27. f4 g6 28. Kh2 (28. g3 $142) 28... Rf5 $1 29. g3 {[#]} h5 $1 {[%cal Rh5h4]} 30. Re5 {[#]} (30. Rf1 {ist eine bessere Verteidigung.}) 30... h4 $1 $19 {[%cal Rh4g3][%mdl 512]} 31. Rxf5 (31. gxh4 Rxf4) 31... hxg3+ ({Keinesfalls} 31... exf5 32. gxh4 Nh5 33. Qe2 $17) 32. Kxg3 exf5 33. Kf2 Nh5 34. Ke1 $2 (34. Qe2) 34... Nxf4 35. Qf3 d3 36. Bc6 Qd6 {...Se2 ist eine echte Drohung.} ({Bloß nicht} 36... Qxb3 37. Qxf4 Qe6+ 38. Kf2 $19) 37. Qe3 g5 ({Jedoch nicht} 37... Qxc6 38. Qxf4 Qb6 39. Qg5 $19) 38. Bf3 $2 (38. Bh1) 38... Kg7 (38... Nxh3 $142 {Und weiter mit ...g4 wäre nett.} 39. Kf1 Kg7) 39. Kd1 $2 (39. Bh1) 39... Qf6 {[%cal Rf6a1]} 40. Qc5 Qa1+ 41. Qc1 Qa7 {[%cal Ra7g1] Schwarz setzt Matt.} 42. Qc3+ f6 {[%cal Ra7g1]} 43. Kc1 Ne2+ 44. Bxe2 dxe2 45. d4 Qe7 46. Qe1 Qe3+ 47. Kc2 f4 {Precision: Weiß = 28%, Schwarz = 81%.} 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.14"]
[Round "3"]
[White "Valerga, Diego"]
[Black "Acosta, Pablo Ismael"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2452"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,133,48,44,42,42,50,32,52,22,35,3,6,0,0,0,42,13,22,0,0,0,0,0,16,-27,-23,-32,0,0,15,21,49,33,9,0,0,0,0,0,0,0,0,0,0,0,0,0,9,9,9,13,14,0,0,0,0,-119,-89,-86,-87,-87,-97,-88,-71,-70,-22,-17,-15,-17,-8,-8,-8,-8,-8,-8,-12,-24,-8,-8,-8,-12,-5,-67,-67,-66,-62,-61,-61,-61,-61,-61,-61,-61,-61,-69,-69,-69,-69,-69,-69,-69,-69,-68,-68,-68,-68,-69,-69,-69,-69,-69,-69,-69,-69,-69,-69,-69]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d6 6. e3 b6 7. Bd3 Bb7 8. O-O Bxc3 9. bxc3 h6 10. Bh4 $1 {LiveBook: 14 Partien} Re8 {E13: Damenindisch (5.Lg5)} (10... Nbd7 11. Nd2 e5 12. Qc2 Qe8 13. e4 Nh5 14. Rfe1 Qe6 15. f3 Rfe8 16. Bf2 Nf4 17. Bf1 Qf6 18. Rad1 Re7 19. Nb3 Ne6 20. Be3 Qg6 {1-0 (51) Tan,Z (2509)-Pham,L (2354) Ashkhabad 2017}) 11. Nd2 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 12. Qc2 Nbd7 {Weiß steht etwas besser.} 13. Rae1 $146 ({Vorgänger:} 13. Bf5 Nf8 14. Rae1 Qe7 15. f4 e4 16. d5 Ba6 17. Qa4 Bb7 18. Nxe4 Qxe4 19. Bxe4 Nxe4 {0-1 (53) Boetzer,D (2280)-Wlodarczyk,O (2285) Germany 2007}) 13... Qe7 14. f3 g5 15. Bf2 e4 16. Be2 Kg7 17. d5 Nc5 18. Nb3 Bc8 19. Nd4 Bd7 20. f4 Ng4 21. h3 Nxf2 22. Rxf2 Rf8 23. Ref1 Rae8 24. Qd2 f5 25. fxg5 Qxg5 26. Rf4 Rf6 27. Kh2 Rg6 {[%csl Gg6][%cal Rg5g2] [#]} 28. g4 fxg4 29. Bxg4 Bxg4 $40 {[%mdl 128] Weiss muss sich nun genau verteidigen.} 30. Rxg4 Qe5+ 31. Kg2 Rxg4+ 32. hxg4 {Droht Tf5 und aus.} Rf8 33. Nf5+ Kh7 $1 34. Rh1 Rf6 $1 35. Qd4 Nd3 {Weiss muss nun ...Txf5 beachten.} 36. Rh5 Rg6 37. Ng3 (37. Rh4 $11) 37... Qxd4 38. cxd4 Rxg4 $17 {[%mdl 4096] Endspiel KTS-KTS} 39. Rf5 Nb2 40. Kh3 Rg7 41. c5 bxc5 42. dxc5 dxc5 43. Rf6 Rd7 44. Nxe4 Rxd5 {Und weiter mit ...Te5 wäre nett.} 45. Rc6 {[#] Sf6+ ist eine echte Drohung.} Re5 46. Rxc7+ Kg6 47. Rc6+ Kf7 48. Nxc5 Rxe3+ 49. Kg4 Rc3 50. Rxh6 ({Besser ist} 50. Kf5 $11) 50... Rxc5 $11 {KTS-KT. Schwarz steht etwas besser.} 51. Rh7+ Kg6 52. Rxa7 Rc4+ 53. Kf3 Na4 54. Ke3 Nc5 55. Ra8 Kf5 56. a4 Nxa4 57. Rf8+ Ke5 58. Re8+ Kd6 59. Rd8+ Ke7 60. Rd4 Rc3+ 61. Rd3 Rc1 62. Ra3 Rc4 63. Rd3 Nc5 64. Rd5 Ke6 65. Rh5 Nd7 66. Kd3 Ra4 67. Rh8 {Precision: Weiß = 59%, Schwarz = 73%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.14"]
[Round "3"]
[White "Villanueva, Mario"]
[Black "Cuberli, Emiliano"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2451"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,43,16,56,18,67,-25,20,12,72,75,154,110,106,140,160,152,181,159,181,177,250,221,278,268]} 1. e4 c5 2. Nf3 a6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 Nbd7 7. Qe2 {B94: Sicilian Najdorf: 6 Bg5 Nbd7} h6 8. Bh4 g6 9. f4 e5 10. fxe5 dxe5 11. O-O-O Be7 {LiveBook: 5 Games} 12. Nf3 {Nxe5 is the strong threat.} Qa5 $146 ({Predecessor:} 12... Qc7 13. Qc4 Qxc4 14. Bxc4 b5 15. Bb3 Bb7 16. Bxf6 Nxf6 17. Nxe5 Rh7 18. Rhf1 {1-0 (18) Kryvoruchko,Y (2711)-Riff,J (2507) Al Ain 2015}) 13. Qc4 ({Better is} 13. Kb1 $14) 13... O-O 14. Nd5 Bd8 (14... Nxd5 $11 {remains equal.} 15. Rxd5 Qd8 16. Bxe7 Qxe7) 15. Be1 $16 Qb5 (15... Qc5 $142) 16. Qxb5 axb5 17. Nxf6+ Bxf6 18. Bb4 $36 {[%mdl 2048] White is really pushing.} Rxa2 19. Bxf8 Nxf8 20. Bxb5 Ra1+ 21. Kd2 Ra5 22. c4 {Precision: White = 69%, Black = 10%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.14"]
[Round "3"]
[White "Pierrot, Facundo"]
[Black "Dolezal, Cristian"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2405"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,75,1,12,-12,0,-18,-14,-18,-16,-32,-17,-20,-20,-31,-21,-41,-14,-39,0,-38,0,0,0,-1,0,0,0,-20,-8,-8,-8,-12,-2,-16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. d3 O-O 8. a4 {C78: Ruy Lopez: Archangelsk and Möller Defences} (8. Nc3 h6 9. Be3 d6 10. Nd5 Be6 11. Qe2 Re8 12. c3 Bxd5 13. Bxd5 Nxd5 14. exd5 Nd4 15. Qd1 Nf5 16. d4 exd4 17. Bxd4 Bxd4 {½-½ (17) Nguyen,N (2634)-Kasimdzhanov,R (2704) Berlin 2015}) 8... Rb8 9. axb5 axb5 10. Nc3 h6 11. Be3 Bxe3 12. fxe3 d6 {LiveBook: 6 Games} 13. Qe1 Be6 14. Nd2 $146 ({Predecessor:} 14. Nd5 Bxd5 15. Bxd5 Nxd5 16. exd5 {½-½ (47) Jamilov,R (2385)-Simantsev,M (2488) Saratov 2008}) 14... Nb4 {[#] aiming for ...Bxb3.} 15. Na2 Nxa2 16. Rxa2 Ra8 17. Rxa8 Qxa8 18. Qg3 {[#] And now Rxf6 would win.} Kh7 19. Qe1 Qa7 20. h3 Ra8 21. Kh2 c6 22. Bxe6 {The position is equal.} fxe6 23. Nf3 Qe7 24. b4 Ra3 25. Nd2 Ra2 26. Qb1 Qa7 27. Qb3 d5 28. Nf3 Qa4 (28... Ra1 {is more complex.} 29. Rxa1 Qxa1 30. exd5 cxd5 31. e4 Kg8) 29. Nxe5 Rxc2 30. Qxa4 bxa4 $11 {[%mdl 4096] Endgame KRN-KRN} 31. Ra1 dxe4 32. dxe4 c5 33. Rxa4 cxb4 34. Rxb4 Rc3 35. Nf7 Rxe3 36. Nd8 Rxe4 37. Rxe4 Nxe4 38. Nxe6 {Precision: White = 42%, Black = 44%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.15"]
[Round "4"]
[White "Flores, Diego"]
[Black "Sosa, Tomas"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2574"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,147,25,31,52,52,108,107,104,90,100,89,90,50,54,52,53,52,95,88,90,94,85,80,130,108,116,124,104,129,118,124,110,116,119,118,99,115,132,106,108,117,101,80,89,46,54,38,77,43,46,26,82,34,25,27,31,27,44,0,15,0,83,48,91,86,143,143,149,143,213,222,222,218,207,19,24,22,37,8,8,-1,75,26,75,2,16,16,60,60,60,63,87,87,82,75,75,75,75,75,75,73,75,75,75,75,243,253,249,260,250,70,70,70,70,70,70,70,235,227,660,660,652,621,660,652,29976,29978,29981,29982,29982,29983,29986,29987]} 1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 e5 5. d3 Nf6 6. e4 O-O 7. Nge2 c6 8. O-O Na6 9. h3 {LiveBook: 29 Games} Bd7 {A24: English Opening vs King's Indian: Lines without ...Nc6} 10. Be3 h6 ({Better is} 10... b5 $14) 11. Qd2 $16 Kh7 {White is better.} 12. d4 Re8 $146 ({Predecessor:} 12... Qe7 13. Rad1 Rfd8 14. f4 {1-0 (51) Meyer,E (2340)-Babula,M Teeside 1974}) 13. Rfd1 Qe7 14. Kh2 Rad8 15. d5 cxd5 16. cxd5 b5 17. a4 bxa4 18. Nxa4 Rb8 19. Nac3 Bc8 20. Ra5 Nd7 {[%cal Bf6d7,Bd7c5,Bc5b3][%mdl 32]} 21. Bxa7 Ndc5 22. Bxb8 Nb3 23. Qc2 Nxa5 24. Bxd6 Qxd6 25. Qa4 Bd7 26. Qxa5 Rb8 27. Qa3 Bf8 28. Qxd6 Bxd6 29. Rd2 Nc5 30. h4 Nb3 31. Rd1 Bc8 32. Bh3 Ba6 33. Bf1 Kg7 (33... Nc5 $11) 34. Nc1 Bxf1 35. Nxb3 Rxb3 36. Rxf1 Rxb2 $14 {[%mdl 4096] Endgame KRB-KRN} 37. Kh3 h5 38. Kg2 Kf8 (38... Rc2 $11 39. Nd1 Bc5) 39. Rc1 Ke7 40. Nd1 Rd2 (40... Rb4 $142) 41. Ne3 $16 Ra2 42. Rc6 Bb8 {[#]} (42... Kd7 $16 43. Nc4 Bc7) 43. Nc4 $1 $18 Ba7 44. Rc7+ ({Weaker is} 44. Nxe5 Rxf2+ 45. Kh3 Bd4 $14) 44... Kf8 45. Nxe5 $2 (45. Rc8+ $18 Kg7 46. d6 (46. Nxe5 Bxf2 47. Nf3 f6 $11) 46... Bxf2 47. d7 Bc5+ 48. Kh3) 45... Rxf2+ $11 46. Kh3 Bd4 47. Nc6 Rd2 48. Rb7 f5 (48... Bg1 $1 $11 {keeps the balance.} 49. Rb8+ Kg7) 49. exf5 gxf5 {( -> ...Bg1)} 50. Rb1 ({White should try} 50. Nxd4 $16 Rxd4 51. Rh7) 50... Bc5 51. Ne5 Rxd5 52. Ng6+ $1 Kf7 53. Nf4 $1 {[%csl LRd5,LRh5]} Rd2 54. Rb5 Rc2 55. Rb7+ Kf6 56. Rc7 {And now Nd3 would win.} Ke5 57. Nxh5 {Nf4 is the strong threat.} Kd6 58. Rf7 Ke6 59. Rf6+ Ke5 60. Rc6 Rc3 $2 (60... Rc1 $16 {was called for.}) 61. Nf4 $18 Ke4 62. h5 Kf3 {[#]} 63. Ne6 $2 (63. Rc7 $1 $18) 63... Kf2 $1 $14 64. h6 $1 Rxg3+ 65. Kh4 Be7+ 66. Kh5 Rg1 $2 (66... f4 $1 $14) 67. Rc7 Bb4 $2 (67... Rh1+ 68. Kg6 Rg1+ 69. Kxf5 Rh1) 68. h7 $18 Rh1+ 69. Kg6 Ke3 70. Ng7 {Black must now prevent Nh5.} Bd6 71. Nxf5+ {White mates.} Kf4 72. Nxd6 Ke5 73. Nf7+ Ke6 74. h8=Q {Precision: White = 53%, Black = 47%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.15"]
[Round "4"]
[White "Pichot, Alan"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2571"]
[BlackElo "2594"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,85,14,22,22,17,45,26,20,13,28,11,11,20,30,0,40,16,58,58,56,70,77,59,106,96,163,11,6,9,7,7,14,13,18,-7,72,67,64,59,70,42,65,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Qc2 Re8+ {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} 9. Ne2 h5 (9... g6 10. h4 Be6 11. h5 f5 12. Be3 Qf6 13. O-O-O Nd7 14. c4 b5 15. hxg6 hxg6 16. c5 Bc7 17. Rh6 Qg7 18. Rh4 {1-0 (40) Savchenko,B (2602)-Maghsoodloo,P (2590) Khomeyn 2017}) 10. Be3 Nd7 {White has an edge.} 11. O-O-O Nf8 12. Kb1 Be6 13. c4 $146 ({Predecessor:} 13. Nf4 Bxf4 14. Bxf4 b5 15. Be4 Bd5 16. Rhe1 Bxe4 17. Rxe4 {0-1 (52) Abrahamyan,T (2364)-Krush,I (2444) Saint Louis 2017}) 13... Rc8 14. Ng3 Bg4 15. Rc1 Bxg3 16. hxg3 b5 17. Qd2 bxc4 18. Bxc4 Qe7 {[#]} 19. Ka1 $1 Nd7 (19... g6 $16) 20. d5 $2 (20. Bf4 $18) 20... cxd5 $11 21. Bxd5 Nb6 {aiming for ...Rxc1+.} 22. Bb3 Rxc1+ 23. Qxc1 Rc8 24. Qf1 Qb7 (24... g6 $11 {keeps the balance.}) 25. f3 $16 Be6 {[#] Threatens to win with ...Bxb3.} 26. Qb5 $1 {[%cal Rb5h5]} g6 27. Bxe6 fxe6 28. Rc1 (28. g4 $14) 28... Rxc1+ $11 {The position is equal.} 29. Bxc1 Qc8 {[%cal Rc8c1]} (29... Kf7 {is more complex.} 30. Be3 Qc7 31. Kb1 Qxg3 32. Bxb6 Qe1+) 30. Kb1 Nd5 31. Bd2 Kf7 32. a4 a6 33. Qd3 Qc6 34. Qd4 e5 35. Qa7+ Ke6 36. b3 Qb6 (36... Qd6 {feels hotter.} 37. Qb7 Nc7 38. Qc8+ Kf7 39. Bb4 Qxb4 40. Qxc7+ Ke6) 37. Qxb6+ Nxb6 {[%mdl 4096] Endgame KB-KN} 38. Kc2 Kd5 39. Be3 Nc8 40. Kc3 Ne7 41. b4 Nf5 42. Bf2 Nd6 43. Bc5 {Precision: White = 68%, Black = 54%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.15"]
[Round "4"]
[White "Krysa, Leandro"]
[Black "Acosta, Pablo Ismael"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2545"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,47,18,26,-6,0,0,5,0,0,6,14,-6,-10,-21,188,172,338,333,316,326,298,347,602,641,624,618,856,933]} 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. Bb3 cxd4 8. exd4 Nc6 9. Nc3 Be7 10. Bg5 O-O 11. Re1 b5 {LiveBook: 39 Games. D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} (11... Bd7 12. Qd3 Nb4 13. Qe2 Bc6 14. Rad1 Bd5 15. Nxd5 Nbxd5 16. Ne5 Rc8 17. Rd3 Qc7 18. Rg3 Kh8 19. Rh3 {½-½ (46) Gelfand,B (2759)-Karjakin,S (2770) Sochi 2014}) 12. h4 Na5 $146 ({Predecessor:} 12... Bb7 13. d5 Nxd5 14. Nxd5 exd5 15. Bxd5 Bf6 16. Rc1 Rc8 17. Bxf6 Qxf6 18. Ng5 Ba8 19. Rc3 g6 20. Nxf7 Nd4 21. Rxc8 Rxc8 22. Nd6+ Bxd5 23. Nxc8 Bb7 24. Re8+ {1-0 (24) Tkachiev,V (2644)-Istratescu,A (2647) Pau 2012}) 13. Bc2 Bb7 {The position is equal.} 14. Qd3 {Hoping for Bxf6.} g6 15. Ne5 {[%cal Bf3e5,Be5f7,Bf7g5][%mdl 32]} Rc8 16. Bh6 Re8 17. Qh3 b4 $2 (17... Qb6 $11 {and Black is okay.}) 18. Nxf7 $1 $18 Qxd4 $2 {[#]} (18... Qc7) 19. Be3 $1 {[%cal Re3d4]} ({But not} 19. Qxe6 $2 Bc5 $19) 19... Qd7 {[#]} 20. Ba4 $1 {[%cal Ra4d7,Bc2a4,Ba4e8,Be8f7][%mdl 32]} Qc7 21. Bxe8 ({And not} 21. Qxe6 Qc4 $11) 21... bxc3 $2 (21... Rxe8 22. Nh6+ (22. Qxe6 Bd8 $15) 22... Kh8) 22. Ng5 {White is clearly winning.} Qe5 23. Bf7+ Kg7 {[#]} 24. Bd4 $1 {[%mdl 512] Precision: White = 72%, Black = 26%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.15"]
[Round "4"]
[White "Real De Azua, Ernesto"]
[Black "Pierrot, Facundo"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2484"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,47,67,60,85,81,77,62,68,43,54,44,52,48,50,55,110,91,105,108,152,159,569,568,635,315,324,320,329,327,352,370,400,400,593,581]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 (5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6 8. Be2 e5 9. d5 Nd4 10. Nxd4 exd4 11. Qxd4 c6 12. Qc4 b5 13. Qxc6 Bd7 14. Qd6 Re8 15. Bg5 b4 16. Qxb4 Nxd5 17. Nxd5 Qxg5 {½-½ (59) Aronian,L (2799)-Vachier Lagrave,M (2804) Tbilisi 2017}) 5... c6 6. Bg5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines} Ne4 7. e3 Nxg5 8. hxg5 {LiveBook: 6 Games. White is slightly better.} h6 9. gxh6 Rxh6 10. Rxh6 Bxh6 11. Qb3 $146 {[%cal Rc4d5]} ({Predecessor:} 11. Bd3 Bg7 12. Qc2 dxc4 13. Bxc4 {1-0 (33) Mozharov,M (2573)-Lagno,K (2523) Moscow 2015}) 11... e6 12. O-O-O Nd7 13. Kb1 $36 {[%mdl 2048] White fights for an advantage.} Qe7 14. e4 {[%cal Rc4d5]} dxe4 (14... dxc4 $14 15. Bxc4 (15. Qxc4 Kf8 $14) 15... b5) 15. Nxe4 $16 Nf6 16. Bd3 Bg7 {[#]} 17. Ne5 $1 {aiming for Ng5.} Qc7 $2 (17... Nxe4 $16 18. Bxe4 Qd6) 18. Ng5 $18 Qb6 19. Ngxf7 (19. Qc3 $142) 19... Qxb3 20. axb3 Ke7 21. Ng5 Kd6 22. Bxg6 ({Don't do} 22. Nxg6 Ng4 $18) 22... Bd7 23. Re1 Rf8 (23... Rg8 {was worth a try.} 24. f4 Be8 25. Nef7+ Bxf7 26. Bxf7 Rh8 27. Bxe6 Kc7) 24. Nxd7 {Precision: White = 76%, Black = 17%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.15"]
[Round "4"]
[White "Slipak, Sergio"]
[Black "Villanueva, Mario"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2437"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,39,14,4,35,26,34,30,33,0,0,-12,-13,-13,-9,-20,0,-9,0,-2,0,2,0,0,0,0,0,-7,20,17]} 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 Bg4 {C24: Bishop's Opening: 2...Nf6} (7... Nbd7 8. O-O O-O 9. Re1 d4 10. Nf1 Re8 11. c3 c5 12. cxd4 cxd4 13. Rc1 b6 14. Ng3 Nc5 15. Bc4 {0-1 (65) Mamedov,R (2655)-Kasimdzhanov,R (2703) Almaty 2016}) 8. h3 Bxf3 $1 9. Qxf3 O-O {White has an edge.} 10. O-O a5 {[%cal Ba7a5,Ba5a4][%mdl 32] [#] And now ...a4 would win.The position is equal.} 11. c3 $146 ({Predecessor:} 11. a3 a4 12. Ba2 Qa5 13. Qe2 Nbd7 14. g4 g6 15. Kh1 Qc5 16. Qe3 Rae8 17. Rae1 Kg7 18. c3 dxe4 19. dxe4 h6 20. Rd1 Qb6 21. Qxb6 {½-½ (21) Ortel,E (2340)-Farkas,G (2205) Hungary 1994}) 11... a4 12. Bc2 Nbd7 13. Rfe1 Qb6 14. Rab1 Rfe8 15. Qg3 Qc5 16. exd5 cxd5 17. d4 exd4 18. Rxe8+ Rxe8 19. Bxa4 Qa5 20. Bxd7 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.15"]
[Round "4"]
[White "Dolezal, Cristian"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2426"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,68,24,35,43,35,33,52,-18,23,-29,-23,-11,-6,-114,-119,-189,-187,-175,-162,-153,-170,-260,-281,-286,-291,-287,-276,-292,-268,-284,-277,-284,-291,-293,-299,-299,-274,-289,-290,-290,-291,-417,-415,-440,-439,-487,-500,-738,-738,-722,-715,-829,-759,-837,-835,-824,-797,-5608,-5601,-5527,-5527]} 1. d4 Nf6 2. Bg5 e6 3. Nd2 h6 4. Bh4 c5 5. e4 (5. c3 cxd4 6. cxd4 Nc6 7. Ngf3 g5 8. Bg3 Nh5 9. e3 Nxg3 10. hxg3 Bg7 11. Bb5 O-O 12. Rc1 f5 13. Bxc6 bxc6 {1-0 (71) Jobava,B (2713)-Short,N (2688) Malmo 2017}) 5... cxd4 6. e5 {A45: Trompowsky Attack} g5 7. Bg3 $1 Nd5 8. Bc4 (8. h4 $1 $14) 8... Nc6 9. Bxd5 $146 (9. h4 $142) ({Predecessor:} 9. Ngf3 Nb6 10. Bb3 d5 11. exd6 Bxd6 12. Qe2 Qe7 13. Bxd6 Qxd6 {1-0 (63) Jurcik,M (2481)-Pacher,M (2446) Slovakia 2013}) 9... exd5 $11 10. Nb3 Bg7 $36 {[%mdl 2048] Black has good play.} 11. Nf3 {[#]} (11. Ne2 $11 {keeps the balance.}) 11... d6 $1 $17 {[%cal Rd6e5][%mdl 512]} 12. Nbxd4 (12. exd6 $17 f5 13. O-O (13. Nbxd4 f4 $17)) 12... g4 $19 (12... Nxe5 13. O-O $17) (12... dxe5 13. Nxc6 bxc6 14. Bxe5 $15) 13. Nxc6 bxc6 {[%cal Bb7c6,Bc6c5][%mdl 32]} 14. Nd4 c5 15. Nc6 (15. Nb3 {was worth a try.} dxe5 16. O-O) 15... Qb6 16. Qxd5 Be6 (16... Bb7 17. e6 $19) 17. Qe4 (17. Qxd6 Bf8 $19) 17... d5 18. Qa4 Bd7 ({Worse is} 18... Qxb2 19. O-O $11) 19. e6 Bxc6 20. Qxg4 Qb4+ ({Much less strong is} 20... Qxb2 21. O-O $19) ({Not} 20... Bxb2 21. exf7+ Kxf7 22. O-O $17) 21. Qxb4 cxb4 22. exf7+ Kxf7 23. O-O-O Rhe8 24. Bd6 a5 25. Rd3 (25. Rhe1 {keeps fighting.}) 25... Re2 26. Bc5 Rc8 {Strongly threatening ...Ba4.Black is clearly winning.} 27. Kd1 {Now Rf3+ and White clings on.} Bb5 28. Rxd5 Bxb2 29. Be3 Bc4 {Hoping for ...Rxe3.} 30. Rd6 Ke7 31. Rd2 Rxd2+ 32. Bxd2 Rd8 33. Re1+ Kf7 34. Re4 Bc3 {Precision: White = 34%, Black = 94%.} 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.15"]
[Round "4"]
[White "Cuberli, Emiliano"]
[Black "Valerga, Diego"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2248"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,104,-9,-4,-17,-16,-12,0,-13,8,-5,-8,-22,0,0,0,0,0,0,10,4,7,-21,13,0,0,0,29,17,8,-49,-16,-86,25,20,19,28,27,14,15,15,33,0,29,34,10,0,0,0,0,0,0,0,0,0,0,0,0,-47,0,0,0,-63,-51,-83,-95,-98,-43,-42,-38,-39,0,-93,-72,-72,-72,-74,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 d5 6. a3 Be7 7. cxd5 exd5 8. Nf4 c6 9. Bd3 Bd6 10. O-O Re8 11. b4 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3} (11. f3 Na6 12. Bc2 Bxf4 13. exf4 Nc7 14. f5 b6 15. Bf4 Bb7 16. Qd2 Re7 17. g4 Nfe8 18. Rf2 f6 {1-0 (30) Bocharov,D (2560)-Anand,V (2803) Berlin 2015}) 11... Nbd7 12. Qc2 Nf8 13. b5 Bd7 {[%cal Bc8d7,Bd7c6,Bc6d5,Bd5c4][%mdl 32]} 14. bxc6 Bxc6 15. Bd2 $146 ({Predecessor:} 15. a4 Rc8 16. Qb3 a6 17. Ba3 Bxf4 18. exf4 Ne6 {0-1 (43) Blank Goncalves,E (2149)-De Souza,M (2341) Sao Paulo 2000}) 15... Bxf4 (15... Rc8 {with more complications.} 16. Rfc1 Ng6 17. a4 Nxf4 18. exf4 Bc7) 16. exf4 Ne4 17. Bxe4 dxe4 18. Be3 Bd5 19. Rfc1 Rc8 20. Qe2 Qd7 (20... Bc4 $5 {[%cal Rc4e2]} 21. Qd1 Qd7 $11) 21. Qh5 Bc4 22. f5 f6 23. Qg4 Bd3 24. d5 (24. h3 $11) 24... b6 25. Bd4 (25. Qf4 $11 {keeps the balance.}) 25... Qf7 (25... Rc4 $17 26. Be3 Ng6 $1 {[%mdl 512]}) 26. Nd1 $11 {[%cal Bc3d1,Bd1e3,Be3g4][%mdl 32]} Nd7 {[%cal Bf8d7,Bd7c5,Bc5a4][%mdl 32]} 27. Ne3 Nc5 {Hoping for ...Nb3.} 28. Rc3 Na4 29. Rxc8 Rxc8 30. Qg3 (30. Qd1 $5 {[%cal Rd1a4]} Nc5 31. Rc1 $11) 30... Qc7 31. d6 Qf7 32. Ng4 Kf8 $1 33. Re1 h5 34. Ne3 Nc3 35. Bxc3 $1 Rxc3 36. f3 Rc5 37. fxe4 Bxe4 38. Rd1 Qd7 39. Qf4 Bc6 ({Don't blunder} 39... Bxf5 $2 40. Nxf5 Rxf5 {[#]} 41. Qxf5 $1 $18 {[%mdl 512]}) 40. h4 (40. Kf2 $11) 40... Re5 $15 41. Rd2 Re4 42. Qg3 b5 (42... Qe8 $17 43. Rd3 Qe5 44. Qxe5 Rxe5) 43. Qf2 Qe8 44. Nc2 a5 45. Qc5 (45. Qa7 $1 $11) 45... Bd7 46. Nd4 Re1+ 47. Kh2 Rh1+ (47... Qe4 $17 {[%cal Re4h4]} 48. Ne6+ Kg8) 48. Kxh1 $11 {And now Re2 would win.The position is equal.} Qe1+ 49. Kh2 Qxh4+ 50. Kg1 Qe1+ 51. Kh2 Qh4+ 52. Kg1 Qe1+ {Precision: White = 59%, Black = 49%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.16"]
[Round "5"]
[White "Mareco, Sandro"]
[Black "Real De Azua, Ernesto"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2644"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,41,11,0,0,0,0,0,0,-11,-1,-6,-12,-21,-10,-34,-20,-90,-56,-92]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Qa4+ Nc6 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 O-O {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 9. Be2 dxc4 10. O-O Bd7 (10... Bxc3 11. bxc3 Bd7 12. Qxc4 Rac8 13. Rad1 Rfd8 14. Nd2 Na5 15. Qb4 b6 16. Ba6 {1-0 (32) Aronian,L (2809)-So,W (2810) Saint Louis 2017}) 11. Bxc4 Bxc3 12. bxc3 Rfd8 13. Qc2 {LiveBook: 3 Games} Na5 14. Bd3 c5 {[#]} 15. Rab1 $146 ({Predecessor:} 15. Ne5 Be8 16. f4 {0-1 (44) Hansen,C (2621)-Hammer,J (2665) Oslo 2015}) 15... Rac8 16. Qe2 Be8 17. Ne5 Qe7 18. f4 cxd4 19. cxd4 Rc3 20. Bb5 (20. Rfe1 $11 {remains equal.}) 20... f6 21. Ng4 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.16"]
[Round "5"]
[White "Perez Ponsa, Federico"]
[Black "Flores, Diego"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2594"]
[BlackElo "2574"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,33,18,18,13,-6,0,0,4,0,7,0]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 Qa5 9. O-O d6 10. h3 Bd7 11. Re1 Rac8 12. Nd5 Rfe8 {B35: Sicilian: Accelerated Dragon with 5 Nc3: main line} 13. Bd2 {LiveBook: 13 Games. The position is equal.} Qa6 14. Nxc6 $146 ({Predecessor:} 14. Bc3 Nxd5 15. exd5 Ne5 16. Ne2 Bb5 17. Kh1 Bxe2 18. Rxe2 Rxc3 19. bxc3 Qa5 20. Qe1 {0-1 (112) Lorenzo de la Riva,L (2407)-Martinez Duany,L (2510) Barcelona 2010}) 14... bxc6 15. Nb4 Qb5 16. Nd3 c5 {[#] Hoping for ...c4.} 17. c4 $1 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.16"]
[Round "5"]
[White "Sosa, Tomas"]
[Black "Krysa, Leandro"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2466"]
[BlackElo "2545"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,38,22,30,22,21,12,32,0,0,-45,-66,-41,-52,-62,-48,-37,-18,0,-18,-142,-131,-181,-111,-127,61]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O O-O 7. Bg5 h6 8. Bh4 a6 {LiveBook: 6 Games. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 9. Nbd2 (9. Bb3 Ba7 10. Nbd2 Be6 11. Re1 Kh7 12. Nf1 g5 13. Bg3 Bxb3 14. Qxb3 Rb8 15. d4 exd4 16. Nxd4 {0-1 (52) Caruana,F (2808)-Anand,V (2786) Stavanger 2017}) 9... Ba7 10. b4 Kh7 $146 {The position is equal.} ({Predecessor:} 10... Be6 11. a4 Nb8 12. Qb3 Bxc4 13. Nxc4 g5 14. Bg3 Nc6 {½-½ (26) Horvath,L (2269)-Karacsony,A (2314) Hungary 2003}) 11. Kh1 g5 12. Nxg5+ hxg5 13. Bxg5 {[#] Strongly threatening f4.} Rg8 14. f4 $1 exf4 15. Bxf4 Ne5 16. Bxe5 dxe5 17. Qf3 (17. Nf3 $1 $11 {remains equal.} Bg4 18. Qe1) 17... Rg6 $17 18. d4 Bg4 ({Stronger than} 18... exd4 19. e5 $14) ({Better is} 18... Qe7 $19 19. Qd3 Kh8) 19. Qg3 exd4 $2 {Precision: White = 39%, Black = 71%.} ({Black should try} 19... Kg7 $17 20. Qxe5 c5) 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.16"]
[Round "5"]
[White "Valerga, Diego"]
[Black "Slipak, Sergio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2452"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,26,0,-8,5]} 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. O-O Nc6 5. c4 g6 6. Nc3 Bg7 7. d3 O-O 8. Rb1 a5 9. a3 Bf5 10. Bg5 h6 {A26: English Opening vs King's Indian with ...Nc6 and d3} 11. Bxf6 Bxf6 12. b4 axb4 13. axb4 {LiveBook: 3 Games} Bg7 (13... Qd7 14. b5 Ne7 15. Nd2 c6 16. Qb3 Bh3 17. Nde4 Kg7 18. Nxf6 Kxf6 19. Ne4+ Kg7 20. Bxh3 Qxh3 21. Nxd6 h5 {½-½ (114) Johannesson,I (2377)-Kollars,D (2500) chess.com INT 2017}) {Predecessor:} 14. b5 $146 Ne7 15. Nd2 c6 16. Qb3 Be6 17. Rfc1 d5 18. Qd1 {0-1 (33) Van Hoolandt,P (2176)-Dumpor,A (2329) Kastav 2001} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.16"]
[Round "5"]
[White "Villanueva, Mario"]
[Black "Dolezal, Cristian"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2451"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,89,97,87,87,82,105,95,112,112,112,111,117,112,110,111,114,111,110,70,86,58,67,0,73,35,61,16,25,24,15,16,39,0,59,32,41,37,42,27,79,30,183,150,74,67,62,35,141,149,128,136,139,150,164,136,205,205,229,231,264,205,205,205,201,193,1237,1099,1754,1512,29974,29975,29974,29976,29972,29977,29977,29978,29975,29959,5389,6005]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nc6 5. Be3 Nh6 {[%cal Bg8h6,Bh6g4,Bg4e3][%mdl 32]} 6. Nf3 {LiveBook: 3 Partien} e6 {B06: Moderne Verteidigung} 7. Qd2 f5 8. O-O-O $146 ({Vorgänger:} 8. e5 d5 9. h3 Qd7 10. Bd3 b6 11. g4 Bb7 12. Rg1 Bf8 13. Bf2 Be7 14. Nd1 {0-1 (74) Obregon,C (2504)-Dolezal,C (2386) Villa Martelli 2014}) 8... Ng4 {Weiß steht besser.} 9. exf5 exf5 10. d5 Nxe3 11. Qxe3+ Ne7 12. Bb5+ Kf8 13. Rhe1 Bf6 14. Rd2 a6 15. Ba4 Kg7 16. Ng5 (16. Ne2 $14) 16... Rf8 (16... h6 $11 17. Ne6+ Bxe6 18. dxe6 d5) 17. Rde2 {[%cal Re3e7]} Ng8 18. Qg3 b5 19. Bb3 Bd7 20. h4 h5 21. Nd1 Nh6 ({Günstiger ist} 21... Qb8 $11) 22. c3 {[%cal Bc2c3,Bc3c4][%mdl 32]} Ng4 23. Bc2 Rb8 24. Nf2 b4 (24... Nxf2 $11 {bleibt in der Remisbreite.} 25. Qxf2 a5) 25. c4 a5 $2 (25... Nxf2 $11 {und Schwarz muss sich keine Sorgen machen.} 26. Qxf2 (26. Rxf2 Re8 $14) 26... a5) 26. Nxg4 $18 hxg4 27. Qd3 Kg8 28. Qd1 Re8 {[#]} ({Besser ist} 28... Qc8 $14) 29. Ba4 $1 $16 {Und weiter mit Txe8+ wäre nett.} Rxe2 30. Rxe2 b3 31. axb3 {[%cal Ba2b3,Bb3a4][%mdl 32]} ({Finger weg von} 31. Bxb3 $6 Qc8 $16) 31... Bxa4 32. bxa4 Qd7 (32... c5 $16 {kämpft weiter.}) 33. b3 $18 Kg7 {[#]} 34. Re6 $1 Qd8 35. Qd3 Qf8 36. Kc2 Kh6 {[#]} 37. h5 $1 {[%mdl 512] Dg3 ist eine echte Drohung.} Re8 $2 (37... Qg7 38. g3 Rf8) (37... gxh5 38. Qxf5) 38. hxg6 Kxg6 {[#]} 39. Nh7 $1 {[%mdl 512]} Kxh7 40. Qxf5+ Kg7 41. Qxg4+ Kh6 42. Qg5+ $1 Kh7 43. Qh5+ Qh6 44. Qxh6+ Kxh6 45. Rxe8 {Precision: Weiß = 70%, Schwarz = 38%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.16"]
[Round "5"]
[White "Acosta, Pablo Ismael"]
[Black "Cuberli, Emiliano"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2409"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,41,7,7,0,67,71,239,118,133,133,293,305,297,295,524,527,513,491,1265,1248,1205,1195,1581,1497,29992,29990,29993,29989,29991,29990]} 1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. Nc3 d5 5. e4 dxe4 6. Bxf6 gxf6 7. Nxe4 cxd4 8. Bb5+ {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} Nd7 ({Black should try} 8... Bd7 $11 9. Bxd7+ (9. Qxd4 Be7 $14) (9. Nxd4 f5 $11) 9... Nxd7) (8... Ke7 9. Nxd4 f5 10. Qd2 fxe4 11. O-O-O Qc7 12. Rhe1 f5 13. Qg5+ Kf7 14. Qh5+ Kf6 15. Qh4+ Kf7 {½-½ (25) Sharbaf,M (2373)-Arizmendi Martinez,J (2531) Dubai 2010}) 9. Qxd4 $14 ({Reject} 9. Nxd4 f5 $11) 9... Qa5+ $2 (9... Be7 $16) 10. Nc3 (10. c3 $1 $18 {has better winning chances.} Qxb5 11. Nxf6+ Nxf6 12. Qxf6) 10... Be7 $146 ({Predecessor:} 10... a6 11. Bxd7+ Bxd7 12. Qxf6 Rg8 13. Ne5 Rg7 14. O-O-O Bc6 15. Rd3 Qc7 16. Rhd1 Qe7 17. Qf4 Rxg2 18. Nxc6 bxc6 19. Qe4 {1-0 (19) Rouze,X (2036)-Yacob,F (2167) France 2009}) 11. O-O-O {[%cal Rb5d7]} Qc7 $2 {[#]} (11... Qd8 $16) 12. Rhe1 $1 $18 a6 {[#]} 13. Bxd7+ $1 Qxd7 $2 (13... Bxd7 {keeps fighting.} 14. Nd5 Qd8) 14. Qf4 Qc6 15. Ne4 f5 (15... e5 $142 16. Nxe5 fxe5 17. Qxe5 O-O) 16. Nd6+ Bxd6 17. Rxd6 ({Not} 17. Qxd6 Qxd6 18. Rxd6 b5 $14) 17... Qc5 18. Red1 O-O 19. Qg5+ {White mates.} Kh8 20. Qf6+ Kg8 21. Rd8 {Precision: White = 62%, Black = 16%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.16"]
[Round "5"]
[White "Pierrot, Facundo"]
[Black "Pichot, Alan"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2405"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,108,3,18,0,0,-3,0,-7,-3,0,-13,-4,-10,0,0,0,0,0,-18,-69,-55,-60,-85,-73,-60,-47,-20,-20,-12,-22,-23,-22,25,27,24,27,21,24,26,12,16,0,12,23,23,0,0,0,0,0,0,0,0,0,0,0,39,14,46,4,37,0,0,0,0,0,0,0,0,0,0,-18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0,7,7,7]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. c3 Nf6 6. Re1 a6 7. Ba4 b5 8. Bc2 Bg4 9. d3 e6 {LiveBook: 75 Games. B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} 10. a4 (10. Nbd2 d5 11. h3 Bh5 12. a4 Be7 13. axb5 axb5 14. Rxa8 Qxa8 15. Nf1 O-O 16. Ng3 Bxf3 17. Qxf3 {0-1 (31) Stellwagen,D (2635)-Timofeev,A (2690) Khanty-Mansiysk 2010}) 10... Be7 $146 ({Predecessor:} 10... b4 11. a5 Be7 12. Ba4 Qc7 13. cxb4 O-O 14. Bxc6 Qxc6 15. bxc5 Qxc5 16. Nbd2 d5 17. e5 {0-1 (65) Ceron,J (2039)-Becerra,J (2318) Bogota 2012}) 11. Nbd2 O-O 12. h3 Bh5 13. g4 Bg6 14. Nh4 d5 15. Nxg6 hxg6 16. axb5 axb5 17. Rxa8 Qxa8 18. e5 (18. g5 $11 Nd7 19. exd5 exd5 20. Qg4) 18... Nd7 $15 19. Nf3 d4 20. Qe2 dxc3 21. bxc3 Qa2 {White should prevent ...Ndxe5!} 22. d4 b4 23. Be4 Qxe2 24. Rxe2 Na5 25. cxb4 cxb4 26. Ra2 Nc4 27. Ra7 Ncb6 28. Rc7 Rb8 29. Nd2 Kf8 30. Nb3 Ke8 31. Kf1 Nd5 32. Ra7 N7b6 33. Bd3 Rc8 34. Bb5+ Kf8 {[#] aiming for ...Rc3.} 35. Bd2 Rc2 {Threatens to win with ...Rb2.} 36. Rb7 Rc8 37. Na5 Bh4 38. Bc6 Kg8 39. Bxb4 Nxb4 {The position is equal.} 40. Rxb6 Nd3 {[#] And now ...Bd8 would win.} 41. Nc4 Bxf2 42. Nd6 Rd8 $1 43. Rb3 Bxd4 44. Nxf7 Rf8 45. Rxd3 Rxf7+ $11 {[%mdl 4096] Endgame KRB-KRB} 46. Kg2 Bxe5 47. Re3 Rc7 48. Be8 Rc5 49. Bxg6 Kf8 50. h4 Ke7 51. g5 Bf4 52. Rf3 Rc4 53. Rb3 Bc7 54. Kh3 Be5 {Precision: White = 57%, Black = 59%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.17"]
[Round "6"]
[White "Flores, Diego"]
[Black "Pierrot, Facundo"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2574"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,111,5,10,10,16,57,38,52,16,33,0,0,-31,114,102,107,108,110,118,142,142,127,95,92,95,86,69,74,81,74,81,62,64,102,100,100,70,175,32,227,0,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0,12,0,12,12,12,12,12,12,12,0]} 1. c4 c5 2. Nf3 Nc6 3. Nc3 e5 4. a3 {[%cal Ba2a3,Ba3b4,Bb4b5,Bb5b6][%mdl 32]} Nf6 5. g3 d5 6. cxd5 Nxd5 7. Bg2 Nc7 8. b4 cxb4 {A34: Symmetrical English: 2 Nc3, lines with ...d5} (8... f6 9. Rb1 cxb4 10. axb4 a6 11. O-O Be7 12. b5 axb5 13. Nxb5 Nxb5 14. Rxb5 O-O 15. d3 Ra5 16. Qb3+ Kh8 {1-0 (29) Meier,G (2641)-Timofeev,A (2677) Havana 2009}) 9. axb4 Bd6 10. b5 Nd4 {White is slightly better.} 11. Nxd4 exd4 {[#]} 12. Ne4 (12. b6 $1 $14 {[%mdl 512]} dxc3 (12... axb6 13. Rxa8) 13. Qa4+ Qd7 14. bxc7) 12... Be7 $1 $15 13. b6 $1 {[%cal Rb6c7]} Na6 (13... Nb5 $15 {stays ahead.}) 14. Qa4+ $16 Qd7 $146 ({Predecessor:} 14... Kf8 15. Ba3 Qxb6 16. O-O Bxa3 17. Qxa3+ {1-0 (47) Kostenko,P (2494)-Utnasunov,A (2293) St Petersburg 2001}) 15. Qxd7+ Bxd7 16. bxa7 Nb4 {[#] Hoping for ...Nc2+.} 17. O-O f5 18. Nd6+ Bxd6 19. Bxb7 Ke7 20. Bxa8 Rxa8 21. Ba3 {Strongly threatening Bxb4.} Nc6 22. Bxd6+ Kxd6 23. Rfc1 Be6 24. e3 Bd5 25. Ra4 g5 (25... d3 $14) 26. f4 (26. exd4 $18 Be4 27. Rc3) 26... g4 $2 (26... dxe3 $1 $14 27. dxe3 gxf4) 27. Kf2 $2 (27. exd4 $18 {Black must now prevent Ra6.} Be4 28. Kf2) 27... d3 $1 $11 {The position is equal.} 28. Ra6 Be4 29. Rc3 Kc7 30. Raa3 Kb6 31. Rab3+ Kc7 32. Ra3 Kb6 33. Rcb3+ Kc7 34. Rc3 Kb6 35. Rcb3+ Kc7 36. Rb5 (36. Ke1 {is interesting.} Rxa7 37. Kd1 Rxa3 38. Rxa3 Nd8 39. Ra6) 36... Rxa7 37. Rxa7+ Nxa7 38. Re5 Kd7 39. Ra5 Nc8 40. Ra6 Nd6 41. Ra7+ Ke6 42. Rxh7 Bf3 43. Ra7 Ne4+ 44. Ke1 Be2 45. Ra6+ Ke7 46. Ra5 Kf6 47. Rd5 Ke6 48. Rd4 (48. Re5+ {keeps more tension.} Kf6 49. Rb5 Ke6 50. Rb6+ Nd6 51. Ra6) 48... Kf6 49. Rd8 Kf7 50. Ra8 (50. Rc8 {is more complex.} Ke6 51. Rb8 Kf6 52. Rb6+ Kg7 53. Rb5) 50... Kf6 51. Ra6+ Kf7 52. Ra5 Kf6 53. Rb5 Ke6 54. Rb6+ Kf7 55. Rb7+ Kf6 56. Rb6+ {Precision: White = 57%, Black = 62%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.17"]
[Round "6"]
[White "Pichot, Alan"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2571"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,79,14,12,-6,0,0,0,0,0,0,7,2,27,27,51,0,29,-34,-34,-43,-34,-103,-105,-217,-230,-420,-409,-398,-384,-389,-336,-342,-326,-271,-32,-33,0,0,0,0,0,-22,-9,-6,-12,-191,-223,-224,-131,-245,-224,-234,0,-264,0,-238,-174,-231,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 g6 3. c3 d5 4. e5 (4. exd5 Qxd5 5. d4 Bg7 6. Be2 Nf6 7. c4 Qd8 8. d5 b5 9. O-O O-O 10. a3 bxc4 11. Bxc4 Nbd7 12. Nc3 Nb6 13. Qb3 Nxc4 14. Qxc4 Qb6 15. Re1 Ba6 16. Qh4 Rfe8 17. Ne5 Bb7 {0-1 (32) Bologan,V (2640)-Morozevich,A (2683) Sochi 2016}) 4... Bg4 5. d4 cxd4 6. cxd4 {B27: Sicilian: 2 Nf3, unusual Black 2nd moves} Nc6 7. Bb5 Rc8 {LiveBook: 3 Games} 8. Nc3 Nh6 9. h3 Bxf3 $1 10. Qxf3 Nf5 11. Qd3 $146 ({Predecessor:} 11. Be3 e6 12. O-O Be7 13. g4 Nxe3 14. fxe3 {0-1 (57) Morais,V (1992)-Guerreiro,N (2132) Sintra 2013}) 11... e6 12. g4 Nfe7 13. Bg5 Bg7 14. Bf6 (14. O-O-O $14) 14... Kf8 15. a3 (15. Bxc6 $11 Rxc6 16. Qf3) 15... Na5 $15 {[%cal Bc6a5,Ba5c4,Bc4a3][%mdl 32]} 16. b4 Nc4 17. Bh4 (17. Bxc4 $15 Rxc4 18. Qf3) 17... h5 $17 18. Qf3 {[#]} (18. Bxc4 $17 {is a better defense.} Rxc4 19. gxh5) 18... Qb6 $1 $19 {[%cal Rb6d4]} 19. Rd1 $2 (19. Qd3) 19... Nxa3 20. Bd7 Rc7 21. Na4 Qxb4+ 22. Kf1 hxg4 (22... Rxd7 $2 23. Nc5 $17) 23. hxg4 g5 $2 ({Black should play} 23... Rxd7 $19 24. Nc5 Ke8 25. Nxd7 Kxd7) 24. Nc5 $15 Rxc5 ({Don't play} 24... gxh4 $6 25. Nxe6+ Kg8 26. Ng5 $16) 25. Bxe6 $1 {[%csl Ge6][%cal Rf3f7]} Qb5+ 26. Kg2 {[%csl Ge6][%cal Rf3f7]} Qe8 27. Bxg5 Rxh1 28. Rxh1 Rc6 $1 {[%cal Rc6e6]} 29. Bxd5 $2 (29. Bxf7 $1 $11 {and White stays safe.} Qxf7 30. Qxa3) 29... Nxd5 $19 30. Qxd5 Rg6 ({Black should try} 30... Qc8 $19 31. Kg3 Nc4) 31. Bc1 {[#]} (31. f4 $17) 31... Nb5 $1 ({Not} 31... Rxg4+ 32. Kf3 $16) 32. f3 Qc6 33. Qd8+ Qe8 34. Qd5 Kg8 35. Be3 (35. Bd2 $142) 35... Qc6 $2 (35... Rc6 $19 {Hoping for ...Rc2+.} 36. Qe4 Nc3 37. Qh7+ Kf8) 36. Qd8+ $11 {The position is equal.} Bf8 37. Qh4 {[%csl Gh1][%cal Rh4h8]} Bg7 $1 {And now ...Qd7 would win.} 38. Qd8+ $1 Bf8 {...Rxg4+ is the strong threat.} 39. Qh4 {[%csl Gh1][%cal Rh4h8]} Bg7 $1 {Strongly threatening ...Qd7.} 40. Qd8+ $1 {Precision: White = 36%, Black = 48%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.17"]
[Round "6"]
[White "Krysa, Leandro"]
[Black "Cuberli, Emiliano"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2545"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,39,23,15,20,15,27,46,49,47,68,61,148,141,208,200,199,168,225,222,284,278,362,264,274,258,294,273,360,343]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} h6 7. Bh4 g5 {E35: Nimzo-Indian: Classical: 4...d5 5 cxd5 exd5} (7... c5 8. dxc5 O-O 9. e3 Be6 10. Nf3 Nbd7 11. a3 Bxc3+ 12. Qxc3 g5 13. Bg3 Ne4 14. Qc2 Ndxc5 15. Nd4 Rc8 {1-0 (41) Kasparov,G (2812)-Le,Q (2739) Saint Louis 2017}) 8. Bg3 c5 9. dxc5 O-O {White is slightly better.} 10. e3 Ne4 11. Bd3 Re8 $146 ({Black should play} 11... Bxc3+ $14 12. bxc3 Na6) ({Predecessor:} 11... Bf5 12. Bxb8 Rxb8 13. Nge2 Rc8 14. O-O Bxc5 15. Rad1 Qa5 16. Nxd5 Bd6 17. Nec3 Nxc3 18. Nxc3 {½-½ (60) Khusnutdinov,R (2503)-Vaseptsov,M (2209) Satka 2012}) 12. Nge2 $16 Nxc3 (12... Nc6 $16 {was necessary.}) 13. bxc3 $18 ({Don't do} 13. Nxc3 $6 Bxc3+ 14. Qxc3 (14. bxc3 Nd7 $16) 14... d4) 13... Bxc5 14. h4 {hxg5 is the strong threat.} g4 (14... Qf6 $142 15. Rd1 Be6 16. hxg5 hxg5) 15. O-O Nc6 16. Rad1 Be6 17. Nf4 Bf8 18. Nxe6 fxe6 19. Qe2 ({Don't play} 19. Bh7+ $6 Kh8 $18) 19... h5 20. Bg6 $1 {[%csl LRe8,LRh5] Precision: White = 91%, Black = 20%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.17"]
[Round "6"]
[White "Real De Azua, Ernesto"]
[Black "Villanueva, Mario"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2484"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,40,20,20,20,16,20,20,20,28,20,20,18,19,25,35,28,20,18,24,18,19,20,17,31,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. O-O Qd7 {E04: Open Catalan: 5 Nf3} 9. e3 Rd8 10. Qe2 e5 11. Qxc4 exd4 12. Qb5 Rb8 13. Rd1 {[#]} Bd6 $146 ({Predecessor:} 13... a6 14. Qf1 Bd6 15. exd4 O-O 16. Bh3 {½-½ (76) Tomashevsky,E (2722)-Bu,X (2698) Novi Sad 2016}) 14. exd4 O-O 15. Nc3 a6 16. Qa4 h6 17. d5 Ne5 18. Qxd7 Nexd7 19. Ne4 Nxe4 20. Bxe4 Rfe8 {Precision: White = 84%, Black = 80%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.17"]
[Round "6"]
[White "Sosa, Tomas"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2466"]
[BlackElo "2594"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,84,-12,-12,-5,-31,-10,-13,-2,-35,-13,-51,-63,-56,-39,-37,-50,-67,-56,-61,-58,-61,-58,-69,-69,-67,-54,-44,-50,-55,-51,-46,-46,-55,-47,-47,-47,-47,-42,-45,-16,-26,0,-20,-12,-12,24,16,19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,15,15,15]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. c4 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} (7. Nc3 e5 8. Qd3 h6 9. Nd2 Be6 10. Nc4 Rc8 11. Ne3 Nf6 12. O-O Be7 13. Rd1 O-O 14. Bd2 Rc5 15. a4 Qc8 {½-½ (31) Anand,V (2783)-Kasparov,G (2812) Saint Louis 2017}) 7... Nf6 8. Nc3 g6 9. O-O Bg7 10. Qd3 O-O 11. Bg5 {LiveBook: 4 Games} b5 12. cxb5 axb5 13. a3 h6 $146 ({Predecessor:} 13... Rb8 14. Rfd1 Be6 15. Nd5 Nxd5 16. exd5 {0-1 (44) Bagheri,M (2248)-Darini,P (2479) Urmia 2015}) 14. Be3 Qb8 15. Bd4 e5 16. Be3 Bc6 17. Nd2 Rd8 18. Nd5 Nxd5 19. exd5 Bd7 20. Qb3 f5 {[#] Threatens to win with ...f4.} 21. f3 Rc8 22. Rac1 Kh7 23. Rxc8 Qxc8 24. Qb4 Bf8 25. Nb1 Ra4 26. Rc1 {[#]} Qxc1+ $1 {[%mdl 512]} 27. Bxc1 Rxb4 28. axb4 $15 {[%mdl 4096] Endgame KBB-KBN} Be7 29. Be3 Bd8 30. Nc3 g5 31. g4 Kg6 32. Kf2 e4 33. gxf5+ Kxf5 {The position is equal.} 34. Nxe4 Ke5 35. Nc3 h5 36. Kg2 g4 37. fxg4 hxg4 38. Kg3 Be7 39. Kf2 Kf5 40. Ke2 Bf6 41. Bf2 Bxc3 42. bxc3 Ke4 {Precision: White = 79%, Black = 67%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.17"]
[Round "6"]
[White "Slipak, Sergio"]
[Black "Acosta, Pablo Ismael"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2437"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,93,24,21,38,27,23,26,37,0,0,0,0,0,2,8,20,14,20,0,22,0,1,0,0,0,86,43,77,43,44,34,212,211,195,63,34,41,85,74,51,51,145,143,135,135,164,70,114,97,97,24,82,86,85,98,71,0,9,10,24,33,55,19,333,308,289,277,283,279,291,290,281,164,555,553,749,734,1401,1276,1225,1152,881,397]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Qc2 a5 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} (7... Nbd7 8. Nf3 Nh5 9. h4 h6 10. Bxe7 Qxe7 11. O-O-O Ndf6 12. Ne5 Ng4 13. Nxg4 Bxg4 14. Re1 O-O-O 15. Bd3 Kb8 16. Kb1 Bc8 {1-0 (51) Volkov,S (2638)-Yilmaz,M (2633) Beirut 2017}) 8. Bd3 Na6 9. a3 Nc7 {White has an edge.} 10. Nge2 Ne6 11. Bh4 g6 12. O-O O-O 13. Rad1 $146 ({Predecessor:} 13. f3 b6 {0-1 (47) Santos,M (2346)-De Toledo,J (2376) Sao Paulo 2006}) 13... b6 14. f3 Bb7 15. Kh1 Rc8 16. Qb1 Nh5 17. Bf2 f5 18. e4 f4 (18... fxe4 $11 19. fxe4 Bg5) 19. Rd2 Kh8 20. Qe1 Bg5 21. Ng1 c5 $2 (21... Qd7 $14) 22. dxc5 $18 d4 23. Nd5 (23. Bc4 $18 Nhg7 24. Bxe6 Nxe6 25. cxb6) 23... bxc5 $14 24. Bc4 Qd6 25. Nh3 Bd8 26. Qd1 Bc6 {[#]} (26... Nhg7 $14) 27. b4 $1 $16 axb4 28. axb4 cxb4 29. Qb3 (29. Rxd4 $18 {Black must now prevent Nb6!} Bb7 30. Bb3) 29... Rb8 30. Rfd1 Nhg7 31. g3 (31. Bxd4 $16 Nxd4 32. Rxd4) 31... Nc5 (31... Bxd5 $11 {remains equal.} 32. Bxd5 Bb6) 32. Qb2 Bxd5 33. Bxd4 (33. Bxd5 $6 Na4 $11) (33. exd5 Bf6 $17) 33... Bf6 34. e5 ({Reject} 34. Bxd5 $6 Bxd4 35. Qxd4 fxg3 $11) ({White should try} 34. Bxf6 $16 Qxf6 35. Qxf6 Rxf6 36. Rxd5) 34... Bxf3+ 35. Kg1 Bxe5 36. Bxe5 {[%csl Gb2][%cal Re5g7]} Qe7 37. Rf1 {[#]} (37. Re1 $5 {[%cal Rh3g5]} fxg3 38. hxg3 $11) 37... Ba8 $2 {[%mdl 8192]} (37... fxg3 $1 $11 {and Black has nothing to worry.} 38. Ng5 (38. Bxg3 Ne4) 38... gxh2+ 39. Kxh2 Ne4 40. Bxg7+ Qxg7 41. Qxg7+ Kxg7 42. Rd7+ Kh6 43. Nxf3 Ng5) 38. Nxf4 $18 Rbe8 {next ...g5 is good for Black.} 39. Re2 Qb7 40. Bd5 Qd7 41. Bxa8 ({Don't take} 41. Qxb4 $6 Bxd5 42. Qxc5 Bf7 $16) 41... Rxa8 42. Qxb4 $40 {[%mdl 128] White goes for the king.} (42. Bd4 $142) 42... Rac8 $2 (42... g5 43. Qxc5 gxf4) 43. Bd4 {White is clearly winning.} Rf5 44. Rfe1 {aiming for Re7.} Rxf4 45. Bxg7+ Kg8 46. Qxf4 {White wants to mate with Re7.} Nd3 47. Qd4 {Precision: White = 43%, Black = 39%.} (47. Rd2 $142) 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.17"]
[Round "6"]
[White "Dolezal, Cristian"]
[Black "Valerga, Diego"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2426"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,100,0,33,13,20,16,45,37,45,52,52,18,38,12,30,31,50,31,28,0,23,-4,0,-27,-26,-52,-30,-40,-6,-35,-35,-35,-37,-39,-39,-37,-39,-39,-39,-38,-33,-43,-40,-44,-56,-48,-21,-22,-14,-16,-14,-14,-14,-14,-14,-15,-15,-74,-68,-127,-38,-35,0,0,0,0,0,0,0,0,0,0,0,-57,-40,-18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 c6 3. c3 Bf5 4. Bf4 e6 5. Qb3 Qb6 6. Nbd2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Nd7 {LiveBook: 3 Games} (6... Nf6 7. e3 h6 8. Be2 Nbd7 9. c4 Qxb3 10. axb3 g5 11. Bc7 Rc8 12. Bg3 {0-1 (31) Lamprecht,F (2393)-Hochgraefe,M (2358) Germany 2015}) 7. Nh4 Be4 $146 ({Predecessor:} 7... Bg4 8. h3 Bh5 9. g4 Bg6 10. Bg2 Be7 11. Nxg6 hxg6 12. e4 Ngf6 {½-½ (37) Karthik,V (2284)-Mitrabha,G (2286) Kolkata 2016}) 8. f3 Bg6 9. e4 Be7 10. Nxg6 hxg6 11. Bd3 Ngf6 12. O-O-O Qxb3 13. axb3 a5 14. h3 Nh5 15. Bh2 g5 $1 16. exd5 exd5 17. Rde1 {[#] Threatens to win with Bd6.} Kd8 18. Bc7+ Kxc7 19. Rxe7 Rhf8 20. g4 Nf4 21. Bf5 Rad8 22. h4 gxh4 23. Rxh4 Kd6 24. Rxd7+ $1 Rxd7 25. Bxd7 Kxd7 $15 {[%mdl 4096] Endgame KRN-KRN} 26. Rh7 g6 27. Nf1 Ne6 28. Rh2 Ke7 29. Ng3 Kf6 30. Kd2 Re8 31. Ne2 Kg5 32. Rh7 Re7 33. Rh8 Nf4 34. Ng1 (34. Nc1 $1 $11) 34... f6 35. Kd1 {[#]} (35. Rh2 $15) 35... f5 ({Better is} 35... b6 $1 $17) 36. gxf5 gxf5 37. Kd2 Re6 38. Rh7 b6 39. Rh8 Rh6 40. Rg8+ Rg6 41. Rh8 c5 42. Ke3 (42. dxc5 $11 bxc5 43. Ne2) 42... Re6+ 43. Kd2 cxd4 {The position is equal.} 44. cxd4 Rh6 45. Rg8+ $1 Rg6 46. Rh8 Rh6 47. Rg8+ $1 Ng6 48. Ne2 Rh2 49. Ke3 {Nf4 is the strong threat.} Rh7 50. Kd3 Rh2 {Precision: White = 57%, Black = 52%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.18"]
[Round "7"]
[White "Mareco, Sandro"]
[Black "Flores, Diego"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2644"]
[BlackElo "2574"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]

{[%evp 17,80,22,16,-45,-19,-53,-43,-76,-79,-91,-78,-89,-29,-32,-39,-58,-16,-115,-105,-112,-105,-132,-75,-125,-103,-104,-101,-142,-141,-132,-123,-171,0,0,0,-191,-41,-175,-149,-144,-142,-133,-131,-149,0,-140,0,-128,-43,-138,-79,-162,-93,-73,-32,-180,-189,-407,-407,-388,-395,-469,-465,-468,-458]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bg4 4. c4 c6 5. Ne5 Be6 6. cxd5 Bxd5 7. Nf3 e5 {A11: English Opening: 1...c6} 8. Nc3 e4 9. Nh4 Qd7 {LiveBook: 4 Games. Hoping for ...g5.The position is equal.} 10. f4 $146 ({Better is} 10. d3 $11) ({Predecessor:} 10. f3 exf3 11. Nxf3 Bc5 12. e3 O-O 13. O-O Re8 14. b3 Ne4 15. Nxe4 Bxe4 {1-0 (33) Wen,Y (2601)-Gevorgyan,D (2382) St Petersburg 2014}) 10... Be7 11. O-O O-O $1 12. b3 Na6 13. Bb2 Rad8 14. d3 {[%cal Rd3e4]} Rfe8 ({Black should try} 14... Qg4 $17) 15. dxe4 $11 Nxe4 16. Nxd5 Qxd5 17. e3 (17. Qxd5 $11 Rxd5 18. Rfd1) 17... Qe6 $1 $17 18. Qh5 Nf6 (18... Bc5 {with more complications.} 19. Nf5 g6 20. Nh6+ Kf8 21. Qh4 Qe7) 19. Qf3 Rd3 (19... Nb4 $142 20. f5 Qd5) 20. Rae1 {[%cal Ba1e1,Be1e2,Be2c2][%mdl 32]} Bb4 21. Re2 Bc3 ({Don't play} 21... Rxe3 $6 22. Qxe3 Qxe3+ 23. Rxe3 $11) 22. Bc1 Nc5 23. Rc2 Nd5 {[%cal Rd5e3]} 24. Qh5 Ne4 $2 (24... Nxe3 $19 25. Re2 Nd7) 25. Qe2 $1 $11 {[%cal Re2d3]} Nc5 {aiming for ...Nb4.} 26. e4 $2 (26. Qh5 $1 $11 {and White is okay.}) 26... Nb4 (26... Bd4+ $19 27. Kh1 Nc3) 27. Ba3 (27. Rxc3 $1 $15 Rxc3 28. Qd2 Nxe4 29. Bxe4 Rxc1 30. Bxh7+ $1 {[%mdl 512]} Kxh7 31. Rxc1) 27... Nxc2 28. Qxc2 Bd4+ 29. Kh1 Rc3 30. Qd2 Rd3 31. Qc2 Rc3 32. Qd2 $1 {[%cal Rd2d4]} Nd3 ({Black should play} 32... Rd8 $1 $17 33. e5 Rd3) 33. Nf3 (33. Nf5 $15 c5 34. Bxc5 Rxc5 35. Qxd3) 33... c5 (33... Qxe4 $142 {Strongly threatening ...Qe3.} 34. Nxd4 Qxd4) 34. e5 {[#]} (34. Bxc5 $17 {is the only way for White.} Bxc5 35. Qxc3 Nf2+ 36. Rxf2 Bxf2 37. e5) 34... Qd7 (34... Qa6 $1 $19 {[%cal Ra6a3]} 35. Bxc5 Nxc5 36. Nxd4 Rd3) 35. Ng5 $17 {[#]} b5 $1 {[%cal Bb7b5,Bb5b4][%mdl 32]} 36. Ne4 (36. Rf3 $1 $15 c4 37. bxc4 bxc4 38. Bb2) 36... b4 $19 37. Nxc3 $2 (37. Bc1 {keeps fighting.}) 37... Bxc3 38. Qc2 Ne1 39. Rxe1 Bxe1 40. Bc1 Rd8 {Precision: White = 26%, Black = 43%.} 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.18"]
[Round "7"]
[White "Perez Ponsa, Federico"]
[Black "Krysa, Leandro"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2594"]
[BlackElo "2545"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,47,25,49,-28,-20,-25,16,16,0,10,14,24,46,36,44,31,33,35,42,34,37,0,9,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,-44,0,2]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. h4 Nc6 {LiveBook: 12 Games} 6. d3 $146 {A16: English Opening: 1...Nf6 with ...d5} (6. e4 $14 Nb6 7. d4) ({Predecessor:} 6. d4 Bf5 7. Qb3 Nxc3 8. bxc3 Na5 9. Qa4+ c6 10. c4 Bg7 11. Bd2 b6 12. Bxa5 bxa5 13. Qxc6+ {½-½ (23) Potkin,V (2594)-Li,C (2720) Fufeng 2017}) 6... Bg7 $11 7. Bd2 h5 8. g3 O-O 9. Bg2 Bg4 10. O-O Nb6 11. Rc1 Rb8 12. b3 e5 13. Bg5 f6 14. Be3 Nd4 15. Nh2 Be6 {[%cal Bg4e6,Be6d5,Bd5c6][%mdl 32]} 16. Ne4 Re8 17. Bd2 Bd5 18. Re1 Qe7 19. e3 Ne6 20. Nf3 Rbd8 21. Qc2 Bc6 22. d4 f5 23. Neg5 {[#] And now e4 would win.} e4 (23... Bxf3 $5 24. Nxf3 (24. Bxf3 Nxg5 25. hxg5 e4 $15) 24... e4 $15) 24. Nxe6 {Precision: White = 63%, Black = 67%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.18"]
[Round "7"]
[White "Valerga, Diego"]
[Black "Real De Azua, Ernesto"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2452"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,60,0,-25,-27,-45,-26,-39,-39,-42,-28,-41,0,0,8,-38,-13,-34,0,-49,-39,-50,-56,-58,-46,-81,-78,-99,-90,-97,-79,-82,-22,-29,-25,-60,-19,-19,-22,-18,-14]} 1. g3 d5 2. Bg2 Nf6 3. d3 c5 4. Nf3 Nc6 5. O-O e6 6. Nbd2 Be7 7. e4 O-O 8. Re1 b5 9. a4 b4 10. exd5 {C00: French: Unusual White 2nd moves} Nxd5 11. Nc4 Bb7 12. Be3 {LiveBook: 3 Games} (12. h4 h6 13. Bd2 Qc7 14. a5 Rad8 15. c3 Bf6 16. Qc2 Ba6 {½-½ (26) Malakhov,V (2694)-Matlakov,M (2689) Berlin 2015}) 12... Nxe3 $146 ({Predecessor:} 12... Qc7 13. Nfd2 Rad8 14. Qg4 Nxe3 15. fxe3 f5 16. Qe2 Ba6 17. Rad1 {0-1 (40) Apryshko,G (2285)-Bukavshin,I (2539) St Petersburg 2013}) 13. fxe3 Qc7 14. Qe2 Rad8 15. Nfd2 f5 16. Rad1 e5 17. Rf1 g6 18. c3 bxc3 19. bxc3 Kg7 20. e4 f4 21. gxf4 exf4 22. e5 Ba6 23. e6 Rf5 24. Qe4 Ne5 25. Nxe5 Qxe5 26. c4 Bc8 (26... Qc7 $17) 27. Bh3 $1 $11 {[%cal Rh3f5]} Rg5+ 28. Kh1 Qxe4+ (28... Qb2 $5 {[%cal Rc8b7]} 29. Qxf4 (29. Rxf4 $2 Bb7 $19) 29... Rf8 $11) 29. Nxe4 Re5 30. Rxf4 {[#] Rf7+ is the strong threat.} Bxe6 {Precision: White = 50%, Black = 47%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.18"]
[Round "7"]
[White "Villanueva, Mario"]
[Black "Pichot, Alan"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2451"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,67,9,15,6,10,0,7,0,0,0,0,-1,0,0,-4,0,0,0,0,0,0,0,0,0,34,25,53,53,53,53,54,26,41,61,42,43,49,21,38,31,33,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 {[%cal Bd4b5,Bb5a3,Ba3c2][%mdl 32]} d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 12. Nc2 a5 13. g3 {B33: Sicilian: Pelikan and Sveshnikov Variations} O-O (13... Bg5 14. h4 Bh6 15. Bh3 Bb7 16. Qh5 Ne7 17. Nf6+ Kf8 18. Rd1 Ng6 19. Nd5 Ne7 20. Nf6 Ng6 {½-½ (49) Saric,I (2662)-Ivanchuk,V (2727) Mali Losinj 2017}) 14. h4 Be6 15. Bg2 g6 16. Nxf6+ Qxf6 17. b3 a4 18. O-O Qd8 19. Qd2 Qb6 $146 20. h5 Ra7 21. hxg6 hxg6 22. Qh6 axb3 23. axb3 Rxa1 24. Rxa1 Rb8 25. Bf3 Qd8 26. Kg2 $1 Qf6 27. Be2 (27. Ra6 {with more complications.} Rc8 28. Be2 Qe7 29. Ra1 Qf6 30. Rh1) 27... Qh8 28. Qxh8+ Kxh8 29. Ra6 Bd7 30. Kf3 Kg7 31. Ke3 Kf8 32. Bg4 Ke7 33. Bxd7 Kxd7 34. Ra4 {Precision: White = 49%, Black = 80%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.18"]
[Round "7"]
[White "Acosta, Pablo Ismael"]
[Black "Dolezal, Cristian"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2409"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,102,66,72,38,36,28,58,45,87,73,71,-17,-8,-10,-13,-16,0,-100,-98,-84,-85,-79,-46,-60,-42,-51,-27,-92,-43,-35,-34,-51,-53,-65,0,-45,-27,-14,0,0,0,0,0,0,0,0,14,0,14,0,0,0,16,0,0,-25,-25,-92,-85,-97,-111,-104,-89,-75,-72,-239,-243,-264,-240,-309,-234,-230,-219,-518,-298,-385,-87,-89,-91,-94,-84,-1003,-1019,-937,-927,-375,-375,-29995,-29996]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. h3 c5 7. d5 Na6 8. Bd3 Nc7 9. Be3 {E90: King's Indian: Classical: Early deviations and 6 h3} (9. O-O e5 10. dxe6 Nxe6 11. Bc2 a6 12. Be3 b5 13. cxb5 axb5 14. Nxb5 d5 15. e5 Ne8 16. a4 Bb7 17. Re1 N8c7 {1-0 (38) Sanikidze,T (2520)-Paravyan,D (2531) Batumi 2017}) 9... e6 10. O-O b6 11. Qd2 $146 {White is slightly better.} ({Predecessor:} 11. dxe6 Nxe6 12. Qd2 Bb7 13. Rad1 Nd7 14. Be2 Ne5 15. Qxd6 Nd4 16. Qxd8 Nxe2+ 17. Nxe2 Rfxd8 18. Nd2 {0-1 (29) Chueca Forcen,A (2276)-Gimeno Oteo,M (2142) Spain 2010}) 11... e5 12. Bg5 Qe8 13. b4 (13. Nh4 $16) 13... cxb4 $11 14. Nb5 Nxb5 15. Bxf6 Nc7 {[%cal Bb5c7,Bc7a6,Ba6c5][%mdl 32]} 16. Bh4 (16. Bxg7 $11 {keeps the balance.} Kxg7 17. Qxb4) 16... a5 $17 17. Rfb1 Na6 18. a3 {[%cal Ra3b4]} Bd7 19. Ne1 {[%cal Ra3b4]} Qb8 20. f3 {[%cal Ra3b4]} Qc7 21. Nc2 (21. axb4 $11 Nxb4 22. Be2) 21... bxa3 22. Nxa3 Nc5 23. Nb5 Bxb5 $1 24. Rxb5 Ra6 ({Better is} 24... f5 $15 25. Qe2 a4) 25. Bc2 a4 26. Ra3 Rfa8 27. Bg5 Bf8 {[%cal Bg7f8,Bf8e7,Be7d8,Bd8f6][%mdl 32]} 28. Kh2 Be7 29. Be3 Bd8 30. Rb4 Ra5 31. Qc3 Kg7 32. f4 Bf6 33. f5 Nd7 34. g4 h6 35. fxg6 fxg6 36. Qd2 {[#]} (36. Rbxa4 $11 Nc5 37. Rxa5 bxa5 38. Qd2) 36... Bg5 $1 {[%mdl 512]} 37. Bxg5 hxg5 38. Qxg5 Rf8 39. Qe3 b5 40. Bd3 $2 (40. Ra2 $17) 40... bxc4 $19 41. Bxc4 Nc5 42. Kg2 Rf4 43. Be2 {[%cal Bc4e2,Be2b5,Bb5c6][%mdl 32]} Ra8 {[%cal Ba5a8,Ba8b8,Bb8b2][%mdl 32]} 44. Ra1 $2 (44. Bf3 {was the only chance.}) 44... Qa7 45. Bb5 {If White can now play Bc6 this consolidates a bit.} a3 $2 (45... Qb7 $19 {has better winning chances. White must now prevent ...Ra5.} 46. Ra3 Ra5) 46. Bc6 $17 {[#]} Rb8 $1 $36 {[%cal Rb8b4][%mdl 2048] Black is on the roll.} 47. Rxa3 Qc7 48. Rc4 $2 {[%mdl 8192]} (48. Bb5 $17) 48... Rb2+ $19 49. Kg3 Qf7 50. Rxc5 dxc5 51. Qxc5 $2 {[#]} (51. d6 $19 g5 52. d7) 51... Rxg4+ $1 {[%mdl 512] Precision: White = 31%, Black = 46%.} 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.18"]
[Round "7"]
[White "Pierrot, Facundo"]
[Black "Sosa, Tomas"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2405"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,96,2,11,19,4,18,16,49,0,0,0,0,0,0,-22,-22,-32,13,12,11,0,0,-23,-20,-38,-15,-36,-20,-20,-12,-21,-14,-45,-25,-26,-26,-27,0,0,-3,-12,-8,-54,-47,-55,-10,-108,-8,-222,-91,-129,-2,-2,-2,-2,-3,-282,-291,-445,-433,-760,-230,-244,-255,-241,-212,-156,0,0,0,-83,-49,-1589,-129,-249,0,-1395,-1255]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. e5 Nd5 5. O-O g6 6. Nc3 Nc7 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} 7. Bxc6 dxc6 8. d3 Bg7 9. Ne4 b6 10. h3 O-O 11. Re1 {LiveBook: 54 Games} h6 12. Bd2 Ne6 13. a4 $146 ({Predecessor:} 13. Ng3 Qd5 14. Qc1 Kh7 15. Ne2 Nd4 16. Nexd4 cxd4 17. Re4 c5 18. Bxh6 Bxh6 19. Rh4 g5 20. Rxh6+ Kxh6 21. Qxg5+ Kh7 22. Qh5+ Kg7 23. Qg5+ Kh7 {½-½ (23) Popovic,D (2573)-Kokol,P (2271) Nova Gorica 2012}) 13... Qd5 14. Bc3 c4 15. d4 a5 16. Qe2 Bb7 17. Qe3 Rfe8 18. Bd2 f5 19. Nc3 Qd7 20. Qe2 b5 21. axb5 cxb5 22. d5 $1 {[%cal Rd5e6]} Nc7 23. Red1 Nxd5 24. Nxd5 Bxd5 25. Rxa5 Qb7 26. Ne1 Be4 27. Rxa8 Rxa8 28. f3 Bd5 29. Bb4 e6 $36 {[%mdl 2048] Black has good play.} 30. c3 Ra2 31. Rd2 Qa7+ 32. Kh2 Ra1 33. Bd6 (33. f4 $1 $11) 33... h5 ({Black should try} 33... Rc1 $17 34. Rxd5 exd5) 34. Rd4 $2 (34. f4 $1 $11) 34... Qa2 (34... Rb1 $1 $19 35. Rxd5 exd5) 35. Nc2 {Black must now prevent Rxd5.} Qxb2 (35... Rc1 $1 $17 36. Rxd5 (36. Nb4 Qb1 $17) 36... exd5) 36. Rxd5 $1 $11 exd5 37. e6 $1 {[%cal Re6e7]} Ra8 (37... Kh7 $5 38. e7 $8 Ra8 $11) 38. e7 $2 {[%mdl 8192]} (38. Be5 $1 $11) 38... Kf7 $19 ({Weaker is} 38... Qxc3 39. e8=Q+ Rxe8 40. Qxe8+ Kh7 41. Nb4 $16) 39. Qd1 {[#]} (39. Be5 $142 Re8 40. Bxg7 Rxe7 41. Be5) 39... d4 $1 40. Nxd4 (40. cxd4 $142 Re8 41. Qd2) 40... Qxc3 $2 (40... Ra1 41. Qc2 Qxc2 42. Nxc2 Rd1) 41. Nxb5 {Intending Qd5+ and mate.} Qd3 42. Qg1 Qd5 43. Qb6 {[#] intending f4.} Re8 $2 (43... c3 $1 $17 {[%cal Rc3c2]} 44. Qc7 Re8) 44. f4 $11 Qe4 (44... Bf6 $5 45. Nc7 $8 Qd4 46. Nxe8 Qxb6 47. Nxf6 Qxd6 48. e8=Q+ Kxf6 49. Qh8+ Kf7 50. Qh7+ Kf8 51. Qh8+ Kf7 52. Qh7+ Kf8 53. Qh8+ Ke7 54. Qg7+ Kd8 55. Qg8+ Ke7 56. Qg7+ Kd8 57. Qg8+ Kc7 58. Qxc4+ Kb6 $11) 45. Qc7 (45. Bb4 $1 $11 Qxf4+ 46. g3) 45... Bf6 $17 {aiming for ...Bh4.} 46. Kh1 $2 {[%mdl 8192]} (46. Be5 $15 Bxe5 47. fxe5) 46... Qe1+ $2 (46... Qb1+ 47. Kh2 Qxb5) 47. Kh2 $19 Qe4 $2 ({Stronger than} 47... Bxe7 48. Be5 $11) (47... Qe6 48. Bc5 Kg8) 48. Kh1 $1 Qb1+ {Precision: White = 37%, Black = 30%.} 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.18"]
[Round "7"]
[White "Cuberli, Emiliano"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2248"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,111,12,8,7,50,41,46,47,39,21,27,12,5,18,17,29,20,12,21,-7,0,-3,-10,-14,-15,-38,-37,-119,-46,-73,-11,-10,87,83,87,86,77,87,93,76,145,157,160,128,141,121,135,111,103,87,80,54,87,54,91,90,85,89,83,82,229,48,51,72,63,0,14,0,1,0,0,0,68,-20,60,0,0,0,0,-28,0,-13,3,3,662,652,632,625,29987,29988,29988,29989,29989,29990,29990,29991,29991,29991,29992,29993,29997,29998]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. b3 c5 5. Bb2 Nc6 6. O-O Bg7 7. Ne5 {A05: Réti Opening: 1 Nf3 Nf6} O-O (7... Nxe5 8. Bxe5 O-O 9. c4 Be6 10. Nc3 d4 11. Na4 Qc8 12. e3 Rd8 13. exd4 cxd4 14. Qf3 Bh3 15. Qxb7 Bxg2 16. Qxc8 Raxc8 17. Kxg2 {1-0 (33) Vachier Lagrave,M (2796)-Bacrot,E (2708) Paris 2017}) 8. Nxc6 bxc6 9. d3 $146 {White is slightly better.} ({Predecessor:} 9. c4 Qb6 10. d3 d4 11. Nd2 e5 12. Ne4 Nxe4 13. Bxe4 Bd7 14. Bg2 f5 {½-½ (30) Czerniakow,W-Maciejewski,A (2360) Bydgoszcz 1979}) 9... Qc7 10. Nd2 e5 11. c4 Re8 12. cxd5 cxd5 13. Rc1 Bb7 14. Rc2 Qe7 15. Qa1 Nd7 16. b4 cxb4 17. Rc7 Rab8 18. Bh3 f5 {Hoping for ...Qd6.} 19. Rfc1 ({White should play} 19. Bg2 $15 Qd6 20. Rfc1) 19... Qd6 (19... d4 $1 $17 20. R1c2 Qd6) 20. Bg2 $1 $15 Re7 (20... a5 $17) 21. a3 {[%cal Ba2a3,Ba3b4,Bb4c5][%mdl 32]} Nb6 (21... Bh6 $1 $11 22. e3 f4) 22. Rxe7 $16 Qxe7 23. axb4 Ba8 24. Rc5 Rc8 25. Nb3 Rxc5 (25... Rd8 $142) 26. bxc5 ({Reject} 26. Nxc5 $6 Bc6 $14) 26... Nc8 27. Qa4 Kf7 28. e3 {[%cal Be2e3,Be3e4][%mdl 32]} Qc7 29. Bc3 Bc6 30. Qa1 Ne7 31. Nd2 {Nf3 is the strong threat.} h6 32. e4 Kg8 33. Qa2 $1 {[%cal Re4d5]} Qd7 34. Nf3 Qe6 35. exf5 gxf5 {[#]} (35... Qxf5 $16 {might work better.} 36. Ne1 (36. Qxa7 d4 $16) 36... Qd7) 36. Qxa7 $2 (36. Bxe5 $1 $18 {[%mdl 512]} Bxe5 37. Qe2) 36... d4 $14 37. Qb8+ Kf7 38. Bd2 (38. Be1 $14) 38... e4 39. dxe4 fxe4 40. Ne1 Be5 41. Qb1 Bg7 (41... d3 $11) 42. Qc1 (42. Nc2 $1 $14) 42... Nf5 ({Black should try} 42... d3 $11) 43. Bh3 (43. Qd1 $14) 43... Qd5 44. Bg2 {Strongly threatening Nd3!} d3 45. Qa3 Qe6 46. Qa7+ Kg6 {Threatens to win with ...Bd4.} 47. Bh3 $36 {[%mdl 2048] White fights for an advantage.} Qd5 $2 {[%mdl 8192]} (47... Qf6 $11) 48. Ng2 $18 Kh7 49. Nf4 Qe5 {[#]} 50. Bc3 $1 {[%mdl 512] White mates.} Nd4 (50... Qxc3 51. Bxf5+) 51. Bxd4 $1 Qxd4 52. Bf5+ Kg8 53. Qb8+ Kf7 54. Qc7+ Bd7 55. Bxd7 Be5 56. Be6+ {Precision: White = 48%, Black = 31%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.19"]
[Round "8"]
[White "Perez Ponsa, Federico"]
[Black "Pierrot, Facundo"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2594"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 37,65,29,33,25,41,27,93,43,41,35,98,101,97,100,89,92,122,119,97,118,113,26,291,301,242,278,572,571,1338,1312]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 c5 16. d5 c4 17. Bg5 h6 18. Be3 Nc5 19. Qd2 Kh7 20. Nh2 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} (20. Bxc5 dxc5 21. Nf1 Re7 22. Qe3 Rc8 23. g4 Ne8 24. N3h2 Qc7 25. Qg3 Bg7 26. Ne3 Nd6 27. h4 Rf8 {½-½ (58) Sevian,S (2531)-Kamsky,G (2683) Saint Louis 2015}) 20... Bg7 21. Rf1 Rb8 (21... Qe7 $11) 22. axb5 {White is better.} (22. f4 {keeps more tension.} Ncd7 23. f5 Rf8 24. Qe2 Ra8 25. Nf3) 22... axb5 23. f4 $146 ({Predecessor:} 23. f3 Ra8 24. Rae1 Ra2 25. Bb1 Ra1 26. Bc2 Rxe1 27. Rxe1 Qe7 28. Ra1 {½-½ (28) Gaertig,L-Sergiev,S ICCF corr 1977}) 23... exf4 (23... Ncd7 $14) 24. Rxf4 $16 Ncd7 25. Raf1 Ne5 26. Nf3 Nfd7 {[#]} 27. Nd4 $1 ({Don't play} 27. Nxe5 $6 Nxe5 28. Ne2 Qd7 $14) 27... Nc5 28. Ngf5 ({Much worse is} 28. Nxb5 $6 Bc8 $11) 28... gxf5 29. Nxf5 (29. Rxf5 $16 {Threatens to win with Rh5.} Nb3 30. Bxb3 cxb3 31. Bxh6) 29... Bc8 $2 {[%mdl 8192]} (29... Rg8 $1 $11) 30. Nxg7 $18 Kxg7 {[#]} 31. Qf2 $1 {[%cal Rf2g3] Qg3+ is the strong threat.} Rb7 $2 (31... f5 32. Rh4 Kf7) 32. Rf6 Rh8 {If Black can now play ...Qe7 this consolidates a bit.} 33. Qg3+ {Precision: White = 65%, Black = 21%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.19"]
[Round "8"]
[White "Flores, Diego"]
[Black "Villanueva, Mario"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2574"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,41,22,5,9,13,32,41,20,2,8,2,2,6,15,0,11,2,7,-10,87,81,150,152,162,162,464,464,591,488,465,474,593,579]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. Na3 a6 5. c4 e5 (5... b4 6. Nc2 e6 7. d4 Be4 8. O-O Be7 9. a3 bxa3 10. Nxa3 c5 11. dxc5 Bxc5 12. Nb1 O-O 13. Nc3 Bb7 14. Bf4 {½-½ (47) Artemiev,V (2677)-Georgiev,K (2633) Skopje 2017}) 6. b3 {LiveBook: 6 Games. A05: Réti Opening: 1 Nf3 Nf6} Bc5 7. O-O Qe7 8. Nc2 {White is slightly better.} O-O 9. d3 d6 $146 ({Predecessor:} 9... h6 10. e4 Nc6 11. Nh4 d6 12. Nf5 Qd8 13. Bd2 {½-½ (25) Henderson,G (2024)-Portych,V (1987) ICCF email 2011}) 10. e4 bxc4 11. bxc4 Nc6 12. Nh4 Bc8 13. Nf5 Qd8 14. Bg5 {[%cal Bc1g5,Bg5d8,Bd8c7,Bc7a5][%mdl 32]} Rb8 (14... h6 $11 15. Be3 Rb8) 15. Nce3 $1 $16 Nd4 {[#]} (15... Bxf5 $142 16. exf5 Nd4) 16. Nxg7 $1 {[%mdl 512]} Kxg7 17. Nd5 $36 {[%mdl 2048] White is on the roll.} Nxd5 $2 (17... Bg4 18. Qd2 {[#]} (18. Bxf6+ Qxf6 19. Qxg4+ Qg6 $16) 18... Nxe4 $1 {[%mdl 512]} 19. dxe4 (19. Bxe4 f6 $16) 19... f6 20. Bh6+ Kg6) 18. Bxd8 $18 {White is clearly winning.} Nc3 19. Qd2 {White wants to mate with Qg5+.} f6 20. Bxc7 Rb7 21. Ba5 {Precision: White = 39%, Black = 41%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.19"]
[Round "8"]
[White "Pichot, Alan"]
[Black "Valerga, Diego"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2571"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,65,60,61,75,84,108,110,109,91,118,112,112,109,113,100,96,96,202,215,201,217,247,227,246,243,237,225,371,356,382,355,511,517,516,514,505,509,670,666,637,666,826,751,925,925,1118,1141]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 g6 9. Nf3 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} Nc6 10. Be2 Qxc2 (10... b6 11. O-O cxd4 12. Nxd4 Nxd4 13. cxd4 Ba6 14. Bxa6 Qxa6 15. c4 Ne7 16. Bb4 Qb7 17. Bxe7 Qxe7 18. cxd5 exd5 {1-0 (50) Bobras,P (2523)-Socko,B (2613) Bialystok 2016}) 11. dxc5 {LiveBook: 4 Games. White is slightly better.} Bd7 12. O-O Qe4 13. Qxe4 dxe4 14. Ng5 f5 $146 ({Predecessor:} 14... Nxe5 15. Nxe4 Bc6 16. Nd6+ Ke7 {½-½ (46) Adair,J (2436)-Foisor,M (2250) England 2015}) 15. exf6 $1 Nxf6 16. f3 exf3 17. Bxf3 O-O 18. Rab1 $36 {[%mdl 2048] White is in control.} Rad8 (18... Rab8 $16) 19. Rxb7 $18 Bc8 20. Rb2 ({Much less strong is} 20. Bxc6 Bxb7 21. Bxb7 Rxd2 $16) 20... Ne5 21. Be2 Nd3 22. Bxd3 $1 Rxd3 23. c4 h6 (23... Kg7 {might work better.} 24. Re1 Rxa3) 24. Nf3 Ng4 25. Re1 Rxa3 (25... g5 $142 26. c6 Re8) 26. h3 {White is clearly winning.} Nf6 27. Bxh6 Re8 28. c6 e5 29. Rxe5 Rxe5 30. Nxe5 Kh7 31. Bf4 Ra1+ 32. Kh2 Rf1 33. Rb8 {Precision: White = 98%, Black = 40%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.19"]
[Round "8"]
[White "Krysa, Leandro"]
[Black "Slipak, Sergio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2545"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,0,4,0,0,-5,-5,5,0,0,7,-8,-20,-14,-8,-32,-25,-25,-33,-74,-28,-55,-12,-27,-43,-25,-24,-12,-23,-32,76,42,71,-21,36,17,24,-14,9,30,23,10,14,8,17,0,4,0,6,8,15,0,0,0,0,0,0,0,0,0,0,-22,-20,-35,0,0,15,0,0,6,18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-124]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. g3 Nf6 {LiveBook: 7 Games} 6. Nh3 $146 {A17: English Opening: 1...Nf6 with ...Bb4} ({Predecessor:} 6. Bg2 O-O 7. e3 c6 8. Nge2 a5 9. O-O Na6 10. Qc2 Re8 11. a3 Bf8 12. Bd2 Nc7 13. Rad1 Ne6 14. Bc1 Ng5 15. f3 h6 {0-1 (48) Mirzoev,E (2443)-Oleksienko,M (2636) Lvov 2017}) 6... Nbd7 7. Bg2 Nb6 8. Nf4 O-O 9. O-O Re8 10. b3 Bf5 11. f3 Bb4 12. Bb2 Qe7 13. Rf2 c6 14. g4 Bg6 15. Qd2 Bd6 16. Re1 Qc7 17. Bc1 a6 18. e3 c5 {[#] And now ...cxd4 would win.} 19. dxc5 Qxc5 (19... Bxc5 $15 {stays ahead.} 20. Nd1 (20. Ncxd5 Nfxd5 21. Nxd5 Nxd5 $17) 20... Qd6) 20. Nce2 Rac8 21. Bf1 {[#]} ({Better is} 21. Nxg6 $16 {Threatens to win with Ngf4.} hxg6 22. g5) 21... Qc7 (21... d4 $1 $11 {[%mdl 512]} 22. exd4 (22. Qxd4 Qxd4) 22... Qc7) 22. Bb2 Qe7 23. Rc1 Bb4 24. Qd1 Bc5 ({Wrong is} 24... Qxe3 $2 25. Rxc8 Rxc8 26. Bd4 $18) 25. Bd4 Bxd4 26. exd4 Nfd7 27. Ng2 Nf8 28. Nef4 Qa3 29. Rxc8 Rxc8 30. Ne3 Qd6 31. Neg2 Rc3 32. Qd2 Rc2 33. Qe3 Rxf2 34. Qxf2 Qa3 35. Nxg6 hxg6 36. Nf4 Qd6 37. Qe3 {The position is equal.} g5 38. Nd3 Ne6 39. Nc5 Qe7 40. Bd3 {aiming for Bf5.} Nd7 41. Nxe6 fxe6 42. f4 gxf4 43. Qxf4 g5 44. Qc7 Qg7 45. Kf1 Nf8 46. Qd8 Qf7+ 47. Ke2 Qf4 48. h3 Kf7 49. Bc2 {Precision: White = 54%, Black = 60%.} (49. Qc8 $11) 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.19"]
[Round "8"]
[White "Real De Azua, Ernesto"]
[Black "Acosta, Pablo Ismael"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2484"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,71,38,42,11,0,1,29,23,18,0,41,32,36,21,29,22,52,25,37,7,16,7,7,7,9,0,0,0,120,108,127,112,122,107,106,117,97,106,160,160,159,152,160,160,160,160,160,160,168,160,160,151,462,419,408,418,380,403,443,431]} 1. Nf3 Nf6 2. c4 e6 3. d4 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d6 {E11: Damenindisch (Bogoljubow-Variante)} 7. Be2 e5 {LiveBook: 4 Partien} 8. O-O exd4 {Die Stellung ist ausgeglichen.} 9. Nxd4 a5 10. Qc2 Re8 11. b3 Bf8 12. Bb2 Nbd7 13. Rfe1 $146 ({Vorgänger:} 13. b4 c6 14. Bd3 {1-0 (56) Troff,K (2501)-Shimanov,A (2639) Atlantic City 2016}) 13... c6 14. Rad1 Qb6 15. Kh1 g6 16. f3 Bg7 17. Nb1 {[%cal Bd2b1,Bb1c3,Bc3b5][%mdl 32]} Nc5 18. Bc1 {[%cal Bb2c1,Bc1e3,Be3d4][%mdl 32]} Nfd7 19. Be3 {[#]} f5 $1 {[%cal Rf5e4][%mdl 512]} 20. Nc3 (20. exf5 Rxe3) 20... Nf6 (20... fxe4 $11 21. Nxe4 Nxe4 22. fxe4 Nc5) 21. Ndb5 $1 $16 cxb5 22. Nxb5 Bf8 23. Bd4 Nh5 24. b4 axb4 25. axb4 Qc6 (25... Bd7 $142) 26. bxc5 dxc5 27. Bb2 fxe4 28. fxe4 ({Schlechter ist} 28. Qc3 Bg7 $11) 28... Qxe4 29. Qxe4 Rxe4 {[#]} 30. Bf3 $1 {[%cal Rf3e4]} Rxe1+ 31. Rxe1 {Weiss will mit Ld5+ Matt setzen.} h6 {[#]} 32. Re8 $1 {[%mdl 1024] zielt auf Ld5+ ab. Weiss hat starke Kompensation.} ({Bloß nicht} 32. Bd5+ $6 Kh7 $14) 32... Ra2 $2 (32... Nf4 $16) 33. Bc3 {Ld5+ ist eine echte Drohung.} ({Nicht} 33. Rxc8 Rxb2 34. Kg1 Nf6 $11) 33... Rc2 34. Bd5+ Kh7 {Und ...Sf6! würde nun gewinnen.} 35. h3 Ng3+ 36. Kh2 {Precision: Weiß = 40%, Schwarz = 51%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.19"]
[Round "8"]
[White "Sosa, Tomas"]
[Black "Mareco, Sandro"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2466"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,83,-14,-2,-16,-20,-17,-23,-30,-30,-42,-46,-50,-18,-23,-13,-34,-38,-40,-40,-50,-46,-48,-30,-64,-73,-64,-68,-83,-51,-79,-80,-82,0,-58,-62,-69,-87,-119,-114,-139,-148,-142,-156,-169,-136,-153,-165,-156,-80,-81,-87,-71,-55,-81,-88,-72,-80,-461,-442,-401,-221,-202,-28,-125,29996,29997]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. Bxc6+ bxc6 5. O-O Bg4 6. c3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} (6. h3 Bxf3 7. Qxf3 e5 8. d3 Nf6 9. Na3 Be7 10. Nc4 O-O 11. Bd2 Nd7 12. a3 Nb6 13. Na5 Qc7 14. c4 {1-0 (45) Rublevsky,S (2683)-Timofeev,A (2549) Sochi 2017}) 6... Nf6 7. Re1 e6 8. h3 Bh5 9. d3 Nd7 10. Nbd2 Be7 {LiveBook: 8 Games} 11. Nf1 O-O 12. Ng3 Bg6 13. Be3 a5 $146 ({Predecessor:} 13... Rb8 14. Qc1 {0-1 (22) Petrovski,I (1805)-Vucinic,G (1869) Belgrade 2008}) 14. Nd2 d5 15. f4 {With the idea f5.} Bh4 16. Qf3 f5 17. exd5 cxd5 18. Bf2 Bf7 19. Nb3 Qc7 20. d4 {[%cal Rb3c5]} Rfb8 21. Re2 {[%cal Rb3c5]} c4 22. Nc5 Nxc5 23. dxc5 Rb5 24. Bd4 {[#]} Be7 $1 $36 {[%mdl 2048] Black is on the roll.} 25. a4 Rxc5 (25... Rb7 $17 26. Qf2 Rc8) 26. Nh5 ({White should play} 26. Rae1 $11) 26... Bf8 $15 27. g4 Rc6 28. Kh1 fxg4 29. hxg4 Bg6 30. Ng3 Bd3 31. Re3 Qf7 {And now ...Rb8 would win.} 32. Rae1 Rb8 33. Qf2 Rb3 (33... Rb7 $142 {aiming for ...Qg6.} 34. Kg2 Rb3) 34. f5 $17 exf5 35. gxf5 Rh6+ 36. Kg1 {[#]} Rb8 $1 37. Qf4 Rxb2 {Strongly threatening ...Rhh2.} 38. f6 $2 {[%mdl 8192]} (38. Re8 $17 {was the crucial defense.}) 38... Rhh2 $19 {[%csl Gh2][%cal Rb2g2]} 39. Qf3 {and the idea Re7! leaves White hopeful.} gxf6 (39... h5 $142 {Threatens to win with ...h4.} 40. Re7 Qg6 41. f7+ Kh7) 40. Re8 {Black must now prevent Bc5.} Kg7 $2 (40... Bg6 $19 41. Rd8 Bh5) 41. Qg4+ (41. Ra8 $1 $11 {keeps the balance.} Qg6 42. Ra7+ Kg8 43. Qxd5+ Kh8 44. Qf3 Rhg2+ 45. Qxg2 Rxg2+ 46. Kxg2) 41... Kh8 $2 {[%mdl 8192] [#]} (41... Bg6 $17 42. Nf5+ Kh8) 42. Rxf8+ $1 {[%mdl 512] Precision: White = 40%, Black = 53%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.19"]
[Round "8"]
[White "Dolezal, Cristian"]
[Black "Cuberli, Emiliano"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2426"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,60,30,29,16,31,27,32,38,45,25,22,26,33,0,0,0,3,0,3,-14,0,-48,-25,-32,-29,-95,-98,-85,-90,-91,0,-18,17,12,21,-41,0,0,17,-14,-13,-38,-7,-139,-49,-49,-25,-738,-747]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Nbd7 7. Bxc4 e6 8. a5 {D18: Slav Defence: 5 a4 Bf5 6 e3} (8. O-O Bb4 9. Qb3 Qb6 10. e4 Bg6 11. Bxe6 fxe6 12. a5 Bxa5 13. Qxe6+ Kd8 14. e5 Bxc3 15. exf6 Re8 16. Qc4 Qb4 17. Qxc3 Qxc3 18. bxc3 gxf6 {0-1 (40) Riazantsev,A (2659)-Alekseenko,K (2585) Sochi 2017}) 8... Bb4 9. Qb3 Bxa5 $146 ({Predecessor:} 9... Qe7 10. O-O Rb8 11. Bd2 O-O 12. Rfe1 c5 13. h3 h6 14. Nb1 Bxd2 15. Nbxd2 Ne4 16. Nxe4 Bxe4 {½-½ (26) Newton,R (2035)-Hughes,R (2117) England 2016}) 10. Qxb7 {White is slightly better.} O-O 11. O-O c5 12. Qa6 Bc7 13. Nb5 Bb6 14. b3 Qb8 15. Bb2 Be4 16. Ne5 Bb7 17. Qa2 a6 18. Nxd7 $1 Nxd7 19. Nc3 (19. Na3 $11 {keeps the balance.}) 19... cxd4 $17 20. exd4 Bxd4 {[#] Strongly threatening ...Qf4.} 21. Rad1 Qf4 (21... Qe5 $17 {aiming for ...Rfd8.} 22. Nd5 Bxb2 23. Ne7+ Kh8 24. Rxd7 Be4) 22. Nd5 $1 $11 {[%cal Rd5f4]} exd5 23. Rxd4 Qg5 24. Bd3 (24. Qa5 $11 Rfc8 25. Be2) 24... Rfe8 $40 {[%mdl 128] Black is up to no good.} 25. Qb1 Nf8 26. h4 Qh5 27. f3 Rad8 28. g3 (28. Re1 $11) 28... Qe5 (28... Ne6 $17 29. Rb4 Rd7) 29. Kg2 $15 Qe3 30. Rb4 $2 {[%mdl 8192] [#]} (30. Qc1 $11) 30... Qd2+ {Precision: White = 32%, Black = 41%.} 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.20"]
[Round "9"]
[White "Mareco, Sandro"]
[Black "Perez Ponsa, Federico"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2644"]
[BlackElo "2594"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,66,0,-6,-16,-29,-50,-35,-41,-31,-45,-17,-49,-36,-43,-53,-57,-29,-45,-34,-42,-18,-15,-9,-17,-14,-14,-10,-52,0,0,0,-130,-123,-121,-125,-122,-125,-180,-122,-140,-121,-198,-188,-169,-158,-142,-116,-191,-178,-208,-164]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. d3 c6 5. Nbd2 e6 6. h3 Bh5 7. O-O Bd6 8. e4 Ne7 9. Qe1 O-O 10. b3 {A07: Réti Opening: New York and Capablanca Systems} (10. Nh4 Ng6 11. Nxg6 Bxg6 12. Nf3 dxe4 13. dxe4 f6 14. Qe2 Qc7 15. Rd1 Rad8 16. Nd4 Rfe8 17. a4 Bf8 18. Nb3 {½-½ (61) Svidler,P (2739)-Jakovenko,D (2759) Chita 2015}) 10... Bb4 11. g4 $146 ({Predecessor:} 11. Qe3 Bc3 12. Rb1 c5 13. Nh4 d4 14. Qe1 Nc6 15. f4 f6 16. a3 {½-½ (40) Iljin,A (2537)-Goganov,A (2609) Sochi 2015}) 11... Bc3 {[#] aiming for ...Bxg4.} 12. Rb1 {Black is slightly better.} Bg6 $1 13. Bb2 Qa5 14. Qc1 Rfd8 15. a3 Bxb2 16. Qxb2 dxe4 17. dxe4 Qc7 18. Qc3 h5 19. g5 Bh7 20. Rfe1 Ng6 21. Nc4 b5 22. Na5 c5 (22... a6 $15) 23. Nd4 $11 Qf4 24. Nxb5 (24. Ndc6 $11 {keeps the balance.} Rdc8 25. Rbd1) 24... a6 $36 {[%mdl 2048] Black is in control.} ({Much less strong is} 24... Qxg5 25. Qg3 $11) 25. Nc6 axb5 26. Nxd8 Rxd8 27. Qe3 (27. Qg3 $17 {is a better defense.}) 27... Qc7 (27... Qe5 $19 28. Rbd1 h4) 28. Rbd1 Ra8 29. f4 (29. Qd3 $17 {was necessary.} Ndf8 30. Qd6 Qxd6 31. Rxd6) 29... Nxf4 $19 {...e5 is the strong threat.} 30. Rxd7 Qxd7 31. Qxf4 Qd4+ 32. Kh1 (32. Qe3 $17) 32... Bg6 33. Qc1 Rd8 {Precision: White = 48%, Black = 58%.} 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.20"]
[Round "9"]
[White "Valerga, Diego"]
[Black "Flores, Diego"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2452"]
[BlackElo "2574"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,42,28,35,12,25,0,11,8,12,4,12,12,9,18,45,15,35,33,42,41,42,34,43,45,35]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. e3 c5 6. a3 Bxd2+ 7. Bxd2 b6 8. Bd3 Bb7 9. O-O d6 {[%cal Bd7d6,Bd6c5][%mdl 32]} 10. b4 Nbd7 {LiveBook: 22 Games} 11. Qe2 $146 {E14: Queen's Indian: Classical Variation (4 e3)} ({Predecessor:} 11. Bc3 Qe7 12. dxc5 dxc5 13. Be2 Ne4 14. Bb2 Rfd8 15. Qb3 Ndf6 16. Rad1 Rxd1 17. Bxd1 Rd8 18. h3 h6 19. Bc2 {0-1 (39) Likavsky,T (2486)-Jobava,B (2704) Austria 2012}) 11... Re8 12. bxc5 dxc5 13. Bc3 {The position is equal.} Rc8 14. Rfd1 Qc7 15. Rac1 h6 16. Bb2 Rcd8 17. h3 Qb8 18. a4 {White is slightly better.} Qa8 19. a5 Be4 20. Bxe4 Qxe4 21. axb6 axb6 {Precision: White = 71%, Black = 35%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.20"]
[Round "9"]
[White "Villanueva, Mario"]
[Black "Sosa, Tomas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2451"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]

{[%evp 12,130,50,34,48,29,34,22,37,29,24,22,32,30,28,35,39,33,38,39,36,33,40,5,21,0,5,1,46,43,70,56,80,71,79,79,80,79,79,80,72,72,72,72,72,72,80,80,80,83,96,96,95,90,88,77,85,78,96,96,96,96,96,96,96,96,101,101,118,99,106,111,169,169,169,118,165,169,169,159,169,132,12829,12830,12828,5631,759,520,12841,12839,12840,12840,12835,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,0,169,169,169,169,169,169,169]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. a4 {aiming for axb5.} Rb8 {[#] C78: Ruy Lopez: Archangelsk and Möller Defences} ({Avoid the trap} 7... Nxe4 $2 8. axb5 Nxf2 9. Rxf2 $18) 8. Nxe5 $1 {[%mdl 512]} (8. c3 d6 9. d4 Bb6 10. axb5 axb5 11. Na3 O-O 12. Nxb5 Bg4 13. Bc2 exd4 14. Nbxd4 Nxd4 15. cxd4 Bxf3 16. gxf3 Nh5 17. f4 Qh4 18. Ra3 d5 19. exd5 f5 20. Qf3 Rbd8 21. Rc3 {1-0 (60) Harikrishna,P (2733)-Erdos,V (2624) Antalya 2017}) 8... Nxe5 9. d4 {[#]} Bxd4 $1 {[%mdl 512] The position is equal.} 10. Qxd4 d6 11. Bf4 O-O 12. f3 c5 13. Qd2 c4 14. Ba2 $1 Qb6+ 15. Be3 Qc7 $146 16. axb5 axb5 17. b4 Nc6 18. Bd4 Qe7 19. Nc3 {[%cal Bb1c3,Bc3a2,Ba2b4,Bb4d5][%mdl 32]} Nxb4 20. Rfb1 $36 {[%mdl 2048] White is more active.} Nxa2 21. Nxa2 Bd7 22. Nb4 {[%mdl 1024] White has strong compensation.} Ra8 23. Qg5 {Threatens to win with Nd5.} h6 24. Qg3 $1 Nh5 25. Nd5 Qg5 26. Qxg5 $1 hxg5 27. Rxa8 Rxa8 28. Nb6 Rd8 29. Nxd7 Rxd7 30. Rxb5 d5 31. Rxd5 Rxd5 32. exd5 $16 {[%mdl 4096] Endgame KB-KN} Nf4 {[#]} 33. Be3 $1 Nxd5 34. Bxg5 c3 35. Kf2 Nb4 36. Bd8 Nxc2 37. Ba5 Nd4 {White must now prevent ...c2.} 38. Bxc3 Ne6 39. g4 f6 40. h4 Kf7 41. Ke3 Nc7 (41... g6 $16 42. Bd4 f5) 42. Ke4 $18 Ne6 43. Bd4 (43. f4 $18) 43... Nf8 44. f4 {[%cal Bf3f4,Bf4f5][%mdl 32]} Ng6 45. Bf2 Ne7 46. Bc5 {Strongly threatening Bxe7.} Nc6 $2 {[%mdl 8192]} (46... f5+ $16 47. gxf5 Ng8) 47. Kd5 Nd8 48. Bb6 Ne6 49. f5 Nf8 (49... Nf4+ $142 50. Ke4 Ne2) 50. Kd6 Ke8 51. Bd4 Kf7 52. h5 $2 (52. Bc5 Ke8 53. Bb4) 52... Nh7 53. Be3 Nf8 54. Bf4 Nh7 55. Kd7 Nf8+ 56. Kd8 Nh7 57. h6 {Threatening mate with hxg7.} g6 58. Kd7 gxf5 59. gxf5 Nf8+ {[#]} 60. Kd6 $1 Nh7 61. Kd5 Nf8 62. Kd6 Nh7 63. Be3 {White is clearly better.} Nf8 64. Bf2 Nh7 65. Bh4 Nf8 {Precision: White = 75%, Black = 65%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.20"]
[Round "9"]
[White "Slipak, Sergio"]
[Black "Dolezal, Cristian"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2437"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,45,33,39,144,162,158,129,125,134,153,132,158,156,186,187,188,177,241,236,229,248,243,246,249,244,411,372,493,477,450,420,660,660]} 1. d4 c6 2. e4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Nf3 {[%cal Bg1f3,Bf3h4,Bh4f5][%mdl 32]} Nf6 7. O-O {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} Bg7 8. Re1 {LiveBook: 26 Games} Bf5 (8... Qc7 $14) (8... O-O 9. Bg5 Bf5 10. Bxf5 gxf5 11. Bxf6 Bxf6 12. Nbd2 e6 13. Nb3 Kh8 14. Nc5 Qc7 15. Qd2 Rg8 16. Nd3 Rg4 17. g3 Rag8 18. Kh1 Re4 19. Nc5 Rxe1+ 20. Rxe1 {1-0 (46) Kramnik,V (2809)-Hou,Y (2651) Medias 2016}) 9. Bxf5 $16 {White is clearly better.} gxf5 {[#]} 10. Nh4 $1 Qd7 11. Qf3 O-O-O 12. Nxf5 Rdg8 13. Nd2 {[%cal Bb1d2,Bd2b3,Bb3c5][%mdl 32]} h5 $146 ({Predecessor:} 13... Bf8 14. Nf1 {0-1 (38) Gurung,R (1971)-Mitrabha,G (2321) Kankarbagh 2017}) 14. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Bf8 15. b5 $36 {[%mdl 2048] White is really pushing.} Na5 (15... Nd8 {keeps fighting.} 16. a4 Ne6) 16. Nb3 $18 Nc4 {[#]} 17. Nc5 $1 {[%cal Rc5d7]} Qd8 18. Ne3 ({But not} 18. Bf4 $6 e6 $16) 18... Nxe3 19. Bxe3 ({Weaker is} 19. fxe3 e6 $14) 19... Rg7 $2 (19... e6 20. c4 Rh7) 20. c4 Rhg8 21. g3 e6 22. Rac1 Kb8 {[#]} (22... Bxc5 $142 23. dxc5 Ne4 24. cxd5 Qxd5) 23. Qxf6 $1 {[%mdl 512] Precision: White = 89%, Black = 33%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.20"]
[Round "9"]
[White "Acosta, Pablo Ismael"]
[Black "Pichot, Alan"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2409"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]

{[%evp 16,67,34,28,23,0,0,0,12,0,45,18,13,-11,80,44,117,123,137,117,135,124,102,125,122,121,340,348,359,366,364,354,366,362,353,348,351,353,480,559,531,540,531,520,543,530,818,834,815,797,862,831,1003,995]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 e5 7. d5 a5 8. g4 Na6 9. Nf3 Nd7 {E90: King's Indian: Classical: Early deviations and 6 h3} 10. Be2 (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. Rg1 Kh8 {The position is equal.} 12. Qd2 Bd7 13. O-O-O {[#]} a4 $146 ({Predecessor:} 13... f5 14. gxf5 gxf5 15. Bh6 Bxh6 16. Qxh6 Qf6 17. Qh5 fxe4 {0-1 (36) Ivanov,J (2377)-Matamoros Franco,C (2540) Campillos 2007}) 14. h4 {[%cal Bh3h4,Bh4h5,Bh5h6][%mdl 32]} c6 (14... a3 $1 $11) 15. h5 a3 {[#]} (15... Kg8 $1 $14) 16. b4 $1 $16 {[%mdl 512]} Nxb4 17. Bxc5 dxc5 {[#]} 18. h6 $1 $36 {[%cal Rh6g7][%mdl 2048] White is in control.} Bf6 19. g5 cxd5 20. cxd5 ({Much worse is} 20. gxf6 $6 d4 $11) 20... b5 $2 (20... Be7 $16 {keeps fighting.}) 21. gxf6 $18 Qxf6 22. Qg5 Qxg5+ 23. Nxg5 ({Weaker is} 23. Rxg5 f6 $16) 23... c4 24. f4 exf4 25. Rgf1 f6 26. Ne6 g5 27. Nxf8 {White is clearly winning.} Rxf8 28. Kd2 Na6 29. Rb1 Nc5 30. Rg1 f3 31. Bxf3 Rb8 32. Ke3 b4 33. Be2 Rb7 34. Kd4 {Precision: White = 78%, Black = 34%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.20"]
[Round "9"]
[White "Pierrot, Facundo"]
[Black "Krysa, Leandro"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2405"]
[BlackElo "2545"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]

{[%evp 15,66,40,22,14,27,22,29,23,21,7,2,0,5,0,0,0,9,0,51,48,51,0,38,36,53,38,36,28,25,25,43,38,38,45,43,24,46,60,78,87,73,62,92,89,77,68,58,52,56,50,87,93,110]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d6 7. O-O Be7 8. Nc3 O-O {LiveBook: 27 Games} 9. Re1 {C45: Scotch Game} (9. f4 d5 10. e5 Bc5+ 11. Kh1 Ng4 12. Qe1 f6 13. h3 Nf2+ 14. Rxf2 Bxf2 15. Qxf2 fxe5 16. Qc5 Qh4 17. Qxc6 Bxh3 18. gxh3 Qxh3+ {1-0 (54) Dzhumaev,M (2465)-Mista,A (2593) Sharjah 2016}) 9... Nd7 10. Bf4 Bf6 11. Qd2 {White has an edge.} a5 $146 ({Predecessor:} 11... Re8 12. Na4 g5 13. Bg3 Ne5 14. Be2 Kh8 15. Rad1 Be6 16. b3 Qe7 {1-0 (40) Makka,I (2198)-Benderac,A (2302) Kusadasi 2006}) 12. b3 a4 13. Rad1 axb3 14. cxb3 Re8 15. Bb1 Bb7 16. Be3 Bxc3 (16... c5 $11) 17. Qxc3 $14 c5 18. b4 ({White should play} 18. f3 $14) 18... cxb4 19. Qxb4 Qb8 20. f3 Ne5 21. Qc3 c5 22. Bf4 Qc7 23. Bg3 Ra4 24. Qd2 Rd4 25. Qc2 Rxd1 26. Rxd1 c4 27. Qc3 h5 28. Qd4 c3 {[#] aiming for ...c2.} 29. Rc1 ({Not} 29. Qxd6 c2 $17) 29... Qe7 30. Rxc3 h4 31. Bf2 h3 $1 32. Bg3 hxg2 33. Kxg2 f5 {Precision: White = 56%, Black = 41%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.20"]
[Round "9"]
[White "Cuberli, Emiliano"]
[Black "Real De Azua, Ernesto"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2248"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,56,0,8,0,0,0,0,0,0,0,0,0,37,26,31,-14,-15,-24,-17,-44,-26,-101,-83,-89,-83,-178,-154,-215,-37,-172,-151,-292,-282,-270,-271,-325,-243,-241,-237,-225,-204,-379,-463,-389,-373,-29994,-29995]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. c4 d4 5. O-O e5 6. d3 Ne7 7. e3 {A09: Réti Opening: 1 Nf3 d5 2 c4} dxe3 8. fxe3 Nbc6 9. Nc3 {The position is equal.} O-O 10. Rb1 a5 11. a3 f5 12. Qc2 a4 $146 ({Predecessor:} 12... h6 13. b4 axb4 14. axb4 {0-1 (40) Ferretti,F (2254)-Barsov,A (2546) Genova 2006}) 13. b4 axb3 $1 14. Rxb3 h6 15. Rb5 f4 16. gxf4 (16. Nd5 $11 {keeps the balance.}) 16... exf4 $17 17. Nd5 fxe3 18. Bxe3 (18. Nxe3 $17 Nd4 19. Nxd4 Rxf1+ 20. Kxf1 Qxd4 21. Be4) 18... Nf5 $1 $19 {[%cal Rf5e3]} ({Much less strong is} 18... Rxa3 19. Bc5 $15) 19. Bc5 {[#]} (19. Qf2 $17) 19... Nfd4 $2 ({Better is} 19... Ncd4 $1 $19 {[%cal Rd4c2]} 20. Nxd4 Bxd4+ 21. Bxd4 Nxd4 22. Rxf8+ Qxf8) 20. Qa2 (20. Qd2 $15 Nxb5 21. Bxf8 Bxf8 22. cxb5 Qxd5 23. bxc6 Qxc6 24. Ne5) 20... Nxf3+ 21. Rxf3 (21. Bxf3 $17 Bd4+ 22. Bxd4 Nxd4 23. Qg2) 21... Rxf3 22. Bxf3 Bd4+ 23. Kh1 Bxc5 $40 {[%mdl 128] Black attacks with force.} 24. Rxc5 {[#]} Qf8 $1 {[%cal Rf8f3]} 25. Qg2 Bf5 (25... Qxc5 $2 {loses.} 26. Qxg6+ Kf8 27. Qxh6+ Kg8 28. Bh5 $18) 26. Nxc7 $2 (26. Qg1 {was necessary.} Bxd3 27. Qe3 Rxa3 28. Nxc7) 26... Rxa3 (26... Qxc5 $2 27. Nxa8 Qxa3 28. Nc7 $19) 27. Qg1 Rxd3 28. Bd5+ $2 {[#]} (28. Bg2 $19 Rd2 29. Qe1 Rxg2 30. Rxf5 Rxh2+ 31. Kxh2 Qxf5 32. Nd5) 28... Rxd5 $1 {[%mdl 512] Precision: White = 22%, Black = 70%.} 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.21"]
[Round "10"]
[White "Perez Ponsa, Federico"]
[Black "Villanueva, Mario"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2594"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,61,14,21,10,18,15,6,20,12,19,19,16,10,10,26,11,39,35,37,36,84,96,60,0,10,0,0,0,11,7,7,7,36,12,10,17,8,8,12,8,10,0,7,7,7,0,0,0,0,0,931,11]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 Be7 6. e4 {[%cal Be2e4,Be4e5][%mdl 32]} O-O 7. c4 {A05: Réti Opening: 1 Nf3 Nf6} (7. Qe2 d6 8. Nbd2 c5 9. b3 Nc6 10. Bb2 Nd7 11. d4 cxd4 12. Nxd4 Nxd4 13. Bxd4 a5 14. Rfd1 Ba6 15. c4 bxc4 16. Nxc4 a4 {½-½ (33) Lopez Martinez,J (2589)-Vallejo Pons,F (2717) Linares 2017}) 7... bxc4 8. e5 $1 {[%cal Re5f6]} Nd5 9. dxc4 {The position is equal.} Nb6 10. Qe2 d5 11. exd6 cxd6 12. Rd1 N8d7 13. Nc3 Qc8 $146 ({Predecessor:} 13... Bf6 14. Rxd6 Rc8 {1-0 (29) Brunner,R (2194)-Palladino,M (2148) ICCF email 2012}) 14. b3 d5 15. Nxd5 Nxd5 16. cxd5 Bxd5 17. Bf4 {[#] aiming for Rxd5!} Ba3 18. Ng5 {[%cal Bf3g5,Bg5e4,Be4d6][%mdl 32]} Bxg2 19. Kxg2 Qb7+ 20. Kg1 h6 21. Ne4 {With the idea Bxh6.} Rfd8 22. Bd6 (22. b4 $5) 22... Bxd6 23. Nxd6 Qb8 $1 24. Qh5 Rf8 25. Rd4 $36 {[%mdl 2048] White is more active.} Nf6 26. Qf3 Qb6 27. Rad1 Rad8 28. Kg2 Rd7 29. R4d2 Rfd8 {[%cal Rd7d6]} 30. Nc4 Qb7 $2 {[%mdl 8192] [#]} (30... Qc7 $11) 31. Rxd7 $2 {Precision: White = 47%, Black = 66%.} (31. Qxb7 $18 Rxb7 32. Rxd8+ Kh7 33. f4) 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.21"]
[Round "10"]
[White "Flores, Diego"]
[Black "Acosta, Pablo Ismael"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2574"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,65,7,11,52,49,73,39,85,87,87,78,77,87,80,87,88,81,79,80,77,59,144,154,186,182,191,182,184,189,195,190,187,194,196,146,145,137,241,241,241,246,247,259,236,222,214,222,239,220,236,132,125,127,891,873]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 O-O 5. Bg2 d5 6. d4 c5 7. cxd5 {LiveBook: 65 Games} Ne4 {E20: Nimzo-Indian: 4 g3 and 4 f3} (7... Nxd5 8. Bd2 cxd4 9. Nxd5 Bxd2+ 10. Qxd2 Qxd5 11. Qxd4 Qb5 12. a4 Qe8 13. Ne5 f6 14. Nc4 Nc6 15. Qc5 e5 16. Nd6 Qe7 {1-0 (34) Abdulla,A (2503)-Fang,Y (2443) Chengdu 2017}) 8. O-O exd5 $146 ({Predecessor:} 8... Nxc3 9. bxc3 Bxc3 10. Rb1 exd5 11. dxc5 Nc6 12. Qc2 Bf6 13. Rd1 Re8 14. Ng5 Bxg5 15. Rxd5 {1-0 (31) Bolbochan,J-Corte,C Buenos Aires 1946}) 9. dxc5 Bxc3 {White is slightly better.} 10. bxc3 Re8 11. Be3 Nxc3 12. Qc2 Ne4 13. Rfd1 {[%cal Bf1d1,Bd1d5,Bd5d6][%mdl 32]} Nc6 14. Rab1 h6 15. Nd4 Qa5 16. Nb3 Qa6 (16... Qc7 $14) 17. Rxd5 $16 Nf6 18. Rd6 Ng4 19. Nd4 {[%cal Rd4c6]} Nxe3 20. fxe3 {[%cal Rd4c6]} Qa3 21. Qc1 $36 {[%mdl 2048] Black is under strong pressure.} Qxc1+ 22. Rxc1 Ne5 23. Bd5 {Strongly threatening c6.} Rb8 24. Rb1 {[#] Black must now prevent c6.} Bh3 (24... Nd7 $16) 25. Rxb7 $18 Rxb7 26. Bxb7 Nc4 27. Ra6 Rxe3 28. Bg2 Bxg2 29. Kxg2 Re7 30. Kf2 Ne5 31. Nb5 (31. c6 $18) 31... Ng4+ $16 32. Ke1 {[#] And now c6 would win.} Nxh2 $2 {[%mdl 8192]} (32... Re5 $16) 33. c6 {Precision: White = 90%, Black = 53%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.21"]
[Round "10"]
[White "Pichot, Alan"]
[Black "Cuberli, Emiliano"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2571"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 33,69,-13,-13,-55,-49,-58,-75,-75,-83,-106,66,56,200,193,211,194,227,262,272,232,530,536,516,508,473,298,441,252,690,799,790,787,733,725,1049,1023,1484,1423]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Bb7 12. Nbd2 cxd4 13. cxd4 exd4 14. Nxd4 Re8 15. b3 Bf8 16. Bb2 g6 17. a4 {C96: Closed Ruy Lopez: Chigorin Defence: 11 d4, replies other than 11...Qc7} (17. Qf3 Bg7 18. Rad1 Rc8 19. Bb1 Nc6 20. Nxc6 Bxc6 21. Nf1 Re6 22. Ng3 Nxe4 23. Bxe4 Bxe4 24. Rxe4 Bxb2 25. Rxe6 fxe6 {½-½ (40) Van Foreest,J (2466)-Short,N (2646) Douglas 2014}) 17... b4 {[#] LiveBook: 4 Games} 18. Qf3 $146 ({Predecessor:} 18. Rc1 Bh6 19. Bb1 d5 20. e5 Ne4 21. Nxe4 dxe4 22. Bxe4 Rxe5 23. Bxb7 Rxe1+ 24. Qxe1 Bxc1 {½-½ (48) Guliyev,N (2526)-Garcia Palermo,C (2459) Frascati 2005}) 18... Bg7 19. Rad1 {Black is slightly better.} Rc8 20. Bb1 Nd7 21. Nf1 Ne5 $2 ({Black should play} 21... Nc5 $17 22. Re2 d5 23. exd5 Qxd5 24. Qxd5 Bxd5) 22. Qg3 $1 $14 Qb6 ({Better is} 22... h5 $14) 23. Ne3 $18 Nd7 {[#]} 24. Nef5 $1 {[%cal Rf5g7][%mdl 512]} Be5 {[#]} (24... gxf5 25. Nxf5) 25. f4 $1 {[%cal Rf4e5]} ({Not} 25. Nh6+ Kf8 $16) 25... Bf6 26. Kh1 Rc3 $2 (26... Qc5 {was necessary.} 27. Nh6+ Kf8) 27. Bxc3 bxc3 28. Nh6+ Kf8 29. Qxc3 Bg7 (29... Rc8 $142 30. Qd2 Bg7) 30. Ng4 (30. Nxf7 $142 Bxd4 31. Qxd4 Kxf7 32. b4 Qxd4 33. Rxd4) 30... f5 $2 (30... Kg8 31. e5 dxe5) 31. exf5 {[%cal Be4f5,Bf5g6,Bg6g7][%mdl 32] White is clearly winning.} Rxe1+ 32. Qxe1 Bxd4 33. fxg6 {Threatens to win with Rxd4!} Qxb3 34. Kh2 Qd5 {[#]} 35. g7+ $1 {[%mdl 512] Precision: White = 78%, Black = 27%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.21"]
[Round "10"]
[White "Krysa, Leandro"]
[Black "Dolezal, Cristian"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2545"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,102,47,91,0,49,36,53,50,43,46,43,45,48,56,98,98,108,94,150,74,72,63,80,0,26,19,20,21,32,23,91,94,144,143,143,141,169,172,178,166,164,172,164,102,108,108,140,137,164,164,164,164,157,141,143,43,70,-9,-5,-173,-158,-365,-363,-772,-784,-771,-762,-651,-8,-8,-8,-8,-8,-8,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 g6 2. d4 Bg7 3. c4 c5 4. e4 d6 5. Be2 Nf6 6. Nc3 O-O 7. O-O b6 {LiveBook: 5 Partien} 8. e5 {E91: Königsindisch (Klassisches System)} (8. d5 $16) (8. d5 e6 9. h3 exd5 10. cxd5 a6 11. a4 Re8 12. Qc2 Nbd7 13. Bf4 Qe7 14. Nd2 Ne5 15. Bh2 g5 16. Bxe5 dxe5 17. Nc4 Qd8 18. Qb3 {1-0 (40) Rukavina,J (2423)-Kristovic,M (2320) Pula 2009}) 8... dxe5 9. dxe5 Ng4 10. h3 {Weiß steht etwas besser.} Nh6 $1 {[%cal Bg4h6,Bh6f5,Bf5e7,Be7c6,Bc6d4][%mdl 32]} 11. Qd5 Qxd5 12. cxd5 Nf5 $146 ({Vorgänger:} 12... Nd7 13. g4 Bb7 14. Bf4 a6 15. a4 Rac8 {1-0 (24) Godoy,M (2027)-Troncoso Flores,A (2000) ICCF email 2007}) 13. Bf4 Ba6 14. Bxa6 Nxa6 15. Rad1 $1 e6 (15... h5 $142) 16. g4 (16. d6 $142) 16... Ne7 $16 17. d6 Nc6 $1 18. d7 (18. Nb5 $16) 18... Rad8 19. Rd6 Nab8 20. Rfd1 {und nun wäre Kg2 stark für Weiss.} f6 {[%cal Rf6e5]} 21. Kg2 fxe5 (21... Nd4 $11 {bleibt in der Remisbreite.} 22. exf6 Nxf3 23. Rxe6 (23. Kxf3 Bxf6 24. Ke4 Rf7 $11) (23. fxg7 Rxf4 24. Rxe6 Nxd7 $17) 23... Bxf6 24. Kxf3 Bxc3 25. bxc3 g5) 22. Bg5 Nd4 23. Bxd8 Rxd8 24. Ng5 Bf8 25. Nxe6 Bxd6 26. Nxd8 Be7 27. Nb7 Nxd7 28. Ne4 ({Günstiger ist} 28. a4 $1 $18) 28... Kf7 29. Nbd6+ $1 Ke6 30. Nc8 a5 31. Nxe7 Kxe7 $18 {[%mdl 4096] Endspiel KTS-KSS} 32. a4 Nf8 33. Ng5 Kd6 34. Nf3 (34. h4 $16) 34... Nfe6 $14 35. Nxd4 (35. Nd2 $14) 35... cxd4 {[%cal Bc5d4,Bd4d3][%mdl 32] KT-KS} 36. f3 $2 {[#]} (36. Rb1 $11 {und Weiss ist OK.}) 36... Kd5 $1 $19 {[%mdl 1024] Schwarz hat starke Kompensation.} 37. b3 $2 (37. Kf1 $17) 37... Nc5 38. Rb1 $2 {[#]} (38. Kf2 Nxb3 39. Ke2) 38... d3 $1 39. Kf2 Kd4 40. b4 axb4 $2 ({Besser ist} 40... Nxa4 $19 41. bxa5 bxa5) 41. Rxb4+ $11 {Die Stellung ist ausgeglichen.} Kc3 42. Rxb6 {Schwarz muss nun a5 beachten.} Nxa4 43. Rd6 $132 {[%mdl 2048] Weiss is fighting back} Nb2 44. Ke1 $1 {Droht stark g5.} Nc4 45. Rc6 g5 46. Rc7 h6 47. Rc8 Kd4 48. Rc7 Nb2 49. Kd2 {Td7+ ist eine echte Drohung.} Nc4+ 50. Ke1 Nb2 51. Kd2 {Und weiter mit Td7+ wäre nett.} Nc4+ {Precision: Weiß = 39%, Schwarz = 47%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.21"]
[Round "10"]
[White "Real De Azua, Ernesto"]
[Black "Slipak, Sergio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2484"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,42,0,0,9,-8,22,0,0,0,0,0,0,-2,11,8,16,16,18,13,26,0,0,0,0]} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 c5 5. O-O Nc6 6. b3 d4 7. e3 {A13: Reti-Eröffnung} e5 (7... Be7 8. exd4 cxd4 9. d3 O-O 10. Re1 Ne8 11. a3 a5 12. Nbd2 f6 13. Rb1 e5 14. Nh4 Nc7 15. Qh5 Qe8 16. Qxe8 Rxe8 {½-½ (132) Topalov,V (2761)-Nakamura,H (2787) Leuven 2016}) 8. exd4 exd4 9. d3 Be7 10. Bf4 O-O 11. Ne5 {LiveBook: 7 Partien} Nxe5 12. Bxe5 Bd6 13. Bxd6 $146 ({Vorgänger:} 13. Bxf6 Qxf6 14. Nd2 Rb8 {½-½ (43) Mamedov,R (2652)-Batsiashvili,N (2442) Doha 2014}) 13... Qxd6 14. Nd2 Rb8 15. Ne4 Nxe4 16. Bxe4 f5 17. Bd5+ Be6 18. Bxe6+ Qxe6 19. Re1 Qc6 20. Qh5 g6 21. Qh3 Rbe8 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.21"]
[Round "10"]
[White "Sosa, Tomas"]
[Black "Valerga, Diego"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2466"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,73,42,36,43,64,78,85,70,82,78,88,59,61,65,89,51,63,64,59,85,89,74,82,65,96,86,91,65,128,49,107,116,123,108,164,144,204,140,145,118,114,122,121,98,103,87,118,106,110,21,9,21,31,-63,0,-67,-61,-98,-49,-197,-187,-183]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nc3 Bf5 {B03: Alekhine's Defence: Four Pawns Attack} (6... Be7 7. h3 O-O 8. Nf3 Re8 9. Be2 Bf6 10. O-O Nc6 11. Be3 Bf5 12. b3 a5 13. Rc1 a4 14. c5 dxc5 15. dxc5 Qxd1 16. Rfxd1 axb3 17. axb3 Bxc3 18. Rxc3 Nc8 {0-1 (86) Inarkiev,E (2694)-Yuffa,D (2527) Sochi 2017}) 7. Be3 Nc6 {LiveBook: 5 Games} 8. Nf3 Bg4 {White is slightly better.} 9. h3 Bh5 10. b3 $146 ({Predecessor:} 10. Be2 Be7 11. O-O O-O 12. d5 Bxf3 13. Bxf3 Ne5 14. b3 {½-½ (31) Zednik,M (1917)-Glembek,B (2120) ICCF email 2004}) 10... Be7 11. Be2 O-O 12. O-O Re8 13. Qd2 Nd7 14. Nd5 Nf6 15. Nf4 d5 16. a3 Bg6 17. Nxg6 hxg6 18. Rfd1 Bf8 19. Qc2 Ne7 20. g4 c6 (20... dxc4 $14 21. bxc4 Nc6) 21. Ne5 (21. c5 $16) 21... Nc8 (21... dxc4 $14 22. bxc4 c5) 22. c5 $16 Ne4 23. Bd3 Qh4 (23... Be7 $16) 24. Kg2 $1 $18 ({Much less strong is} 24. Bxe4 $6 dxe4 25. Qxe4 Ne7 $14) 24... Ne7 (24... Ng5 $16 {was necessary.} 25. Bxg5 Qxg5) 25. Bf4 g5 26. Bh2 ({Don't play} 26. Bxe4 $6 dxe4 27. Bg3 Qh7 $11) 26... f6 27. Nf3 ({Stronger than} 27. Bxe4 fxe5 28. Bf5 Nxf5 $15) 27... Qh7 {[#]} 28. Ng1 $1 Ng6 29. f3 Nf4+ 30. Bxf4 $1 gxf4 31. Re1 ({White should try} 31. fxe4 $16 dxe4 32. Bc4+ Kh8 33. Qf2 f3+ 34. Kh1) 31... f5 $11 32. gxf5 Nf6 {[%cal Be4f6,Bf6h5,Bh5g3][%mdl 32]} 33. Re5 (33. Re6 $14) 33... Qh4 {[#]} (33... Rxe5 $1 $15 34. dxe5 Nd7) 34. Kh1 (34. Rae1 $1 $11 {[%mdl 512]}) 34... Nh5 {[%mdl 1024] Black has compensation.} 35. b4 g6 36. Qg2 ({White should play} 36. f6 $15 Qxf6 37. Rae1 Rxe5 38. Rxe5) 36... Ng3+ $19 37. Kh2 {Precision: White = 39%, Black = 41%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.21"]
[Round "10"]
[White "Pierrot, Facundo"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2405"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,142,0,-16,-7,-13,-20,-11,-9,-23,-25,-27,-26,-23,-14,-28,-14,-18,-15,-28,-15,-14,-18,-27,-20,-30,-27,-19,-17,-31,-22,-39,-37,-41,-17,-13,-15,-34,-33,-37,-34,-58,-53,-64,-72,-93,-71,-97,-48,-65,-50,-50,-47,-46,-53,-58,-64,-84,-46,-93,-62,-85,-18,-63,-43,-131,-121,-121,-107,-121,-118,-112,-75,-241,-233,-344,-84,-104,-57,-57,-5,-5,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-28,-35,-283,-283,-265,-254]} 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. Bc4 e6 7. cxd4 d6 8. O-O Be7 9. Bxd5 exd5 10. Nc3 {B22: Sicilian: 2 c3} Be6 11. Bf4 {LiveBook: 5 Games} (11. Nb5 O-O 12. Nxd6 Bxd6 13. exd6 Qxd6 14. h3 h6 15. Re1 Rfe8 16. Ne5 Bf5 17. Nxc6 Qxc6 {½-½ (26) Ni,H (2696)-Yu,Y (2734) Shenzhen 2015}) 11... dxe5 12. Nxe5 {The position is equal.} Rc8 13. Re1 O-O 14. Rc1 Nxe5 15. Bxe5 Qd7 16. h3 $146 ({Predecessor:} 16. Qd3 Rfe8 17. Qg3 f6 18. Bf4 Bf8 19. Qd3 a6 20. h3 Bf7 21. Bd2 Rxe1+ 22. Rxe1 Bg6 23. Qf3 Bf7 {½-½ (23) Narciso Dublan,M (2487)-Comas Fabrego,L (2509) Mataro 2005}) 16... Rc6 17. Qf3 Rfc8 18. Ne2 f6 19. Bf4 Rc2 20. Rxc2 Rxc2 21. Qb3 Rc4 22. Qe3 Bb4 23. Rc1 Bf7 24. b3 Rc6 25. Rxc6 Qxc6 26. Qc1 Qe6 27. Be3 Bd6 28. Nf4 Qd7 29. f3 g5 30. Nd3 Qf5 31. Nf2 h5 32. Bd2 Bg6 33. a3 Qe6 34. Bb4 Bf4 35. Bd2 $1 Bg3 36. Nh1 Bd6 $36 {[%mdl 2048] Black has the initiative.} 37. Bb4 Bb8 38. Nf2 b6 39. a4 a5 40. Bd2 $1 Bd6 ({Better is} 40... Qf5 $17 {Threatens to win with ...Qc2.} 41. Nd1 Kg7) 41. Nd1 Qe2 42. Nc3 (42. Ne3 $1 $15) 42... Qd3 $17 43. Nb5 Bg3 $1 44. b4 axb4 45. Bxb4 Be8 46. Be1 $2 {[#]} (46. Bd6 $17 {was worth a try.} h4 47. Bxg3 hxg3 48. Kh1) 46... Bf4 $1 $19 {[%cal Rf4c1]} 47. Qc3 {[#]} (47. Qc8 {might work better.} Qe2 48. Bb4) 47... Qe2 $2 (47... Qd1 $1 $19 {has better winning chances.} 48. Kf1 Qxa4) 48. Bf2 $17 h4 49. Qe1 Bxb5 (49... Qxe1+ $15 50. Bxe1 Kf7) 50. axb5 $11 Qxb5 51. Qe6+ $1 Kg7 {aiming for ...Qb1+.} 52. Kh1 Bd2 53. Qe7+ Kg6 54. Qf8 Qd7 55. Qg8+ Kf5 56. g4+ hxg3 $1 57. Bxg3 Bf4 58. Bf2 Bc7 59. h4 {Hoping for h5.} Qd8 (59... Kf4 $5 60. Kg2 $8 gxh4 61. Bxh4 Ke3 $11) 60. Qh7+ Ke6 61. h5 Bf4 62. h6 Qf8 63. Kg2 {[#]} g4 $1 {[%mdl 512]} 64. fxg4 {Black must now prevent Qf5+.} Qxh6 65. Qg8+ Ke7 66. Qxd5 Qh2+ 67. Kf1 Qh3+ 68. Ke1 {And now Qe4+ would win.} Qd3 {( -> ...Bd2+)} 69. Qa2 Be3 70. Bxe3 $2 (70. Qb2 $1 $15) 70... Qxe3+ $19 71. Kf1 Qf3+ {Precision: White = 50%, Black = 61%.} ({Much less strong is} 71... Qxd4 72. Qa6 $17) 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.22"]
[Round "11"]
[White "Mareco, Sandro"]
[Black "Krysa, Leandro"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2644"]
[BlackElo "2545"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,149,0,0,0,0,12,6,0,0,2,6,6,0,0,-18,9,0,2,0,130,139,149,137,277,282,271,254,253,156,153,183,158,163,196,184,317,324,304,223,257,151,156,162,174,179,166,176,179,164,160,141,140,150,136,138,131,144,139,141,139,177,188,137,209,211,295,298,354,262,293,281,249,240,198,183,192,178,253,233,281,265,261,213,412,357,314,153,172,178,296,292,300,307,272,269,516,491,622,658,657,646,554,425,396,276,431,384,329,8,8,8,8,8,8,8,8,8,8,8,8,0,132,131,131,131,1921,0,29978,29979,29977,29977]} 1. b3 Nf6 2. Bb2 g6 3. e4 d6 4. g3 Bg7 5. Bg2 O-O 6. d4 e5 7. dxe5 dxe5 8. Nd2 Re8 9. Ngf3 {[%cal Bg1f3,Bf3d2,Bd2f1,Bf1e3,Be3d5][%mdl 32]} Nbd7 10. O-O b6 11. Nc4 {LiveBook: 3 Games. A07: Réti Opening: New York and Capablanca Systems} Bb7 12. Nfd2 Nc5 $146 {[%cal Rf6e4]} ({Predecessor:} 12... Qe7 13. a4 a6 14. Re1 Rad8 15. Qe2 h5 16. f3 h4 17. Nf1 Nh5 18. Qf2 Qe6 {1-0 (33) Todorcevic,M (2530)-Lautier,J (2465) Palma de Mallorca 1989}) 13. Re1 {The position is equal.} Nfd7 14. a4 a5 15. Nf1 Ne6 16. Nfe3 Ndc5 17. Bxe5 Bxe4 18. Nd5 Bxe5 19. Nxe5 {[%cal Bc4e5,Be5g4,Bg4f6][%mdl 32]} Ng5 (19... Qxd5 $1 $11 20. Qxd5 Bxd5 21. Bxd5 Rad8) 20. Ng4 $1 $16 Re6 21. h4 $40 {[%mdl 128] Black is in trouble.} Bxg2 (21... Qxd5 $16 22. Qxd5 Bxd5 23. Bxd5 c6) 22. Kxg2 $18 Nge4 23. Qd4 {Threatening mate with Nh6+.} Qf8 24. Ngf6+ ({Don't take} 24. Nxc7 $6 Rd6 $16) 24... Nxf6 25. Nxf6+ Kh8 26. Ne8+ Kg8 27. Nxc7 Rxe1 (27... Rd6 $142 28. Qf4 Rad8) 28. Rxe1 Rd8 29. Qf6 Nd7 30. Qf3 (30. Qf4 $18) 30... Qd6 $16 31. Nb5 Qf6 32. Rd1 {Black must now prevent Qxf6.} Qxf3+ 33. Kxf3 $18 {[%mdl 4096] Endgame KRN-KRN} Ne5+ 34. Ke2 Re8 35. f3 Kf8 36. Kf2 Rc8 37. c3 Ke7 38. Re1 Kf6 {With the idea ...Nd3+.} 39. Re4 Nd3+ 40. Ke3 Nc5 41. Rf4+ (41. Nd6 $18 Nxe4 42. Nxc8) 41... Ke6 {[#]} (41... Ke5 $16) 42. Rxf7 $1 {[%mdl 512]} h5 (42... Kxf7 43. Nd6+) 43. Rc7 Re8 44. b4 axb4 45. cxb4 Kd5+ 46. Kd2 Nxa4 47. Rg7 Rf8 48. f4 Rf6 (48... Kc4 $142) 49. Rc7 $1 Ke4 50. Ke2 $1 Kd5 51. Kd3 Rf8 $2 (51... Rc6 {keeps fighting.} 52. Rxc6 Kxc6) 52. Rc2 Rd8 53. Ra2 (53. Nc7+ $18 {is more deadly.} Kd6 54. Nb5+ Kd5 55. Rd2 Kc6+ 56. Nd4+ Kb7 57. Re2) 53... Nc5+ $16 54. Ke3 ({But not} 54. bxc5 $6 Kxc5+ 55. Ke4 Kxb5 $11) 54... Nb3 (54... Ne6 {might work better.}) 55. Rc2 $1 $18 Re8+ 56. Kd3 Re1 {If Black can now play ...Rd1+ this consolidates a bit.} 57. Nc3+ Kd6 $2 (57... Ke6 {was called for.} 58. Rb2 Na1) 58. Rb2 Na1 59. Rb1 Rxb1 60. Nxb1 {KN-KN} Nb3 61. Kc4 Nc1 {intending ...Ne2.} 62. Nc3 Kc6 (62... Ke6 $142 63. Kb5 Nd3) 63. b5+ Kd6 64. Nd5 $2 ({White has to play} 64. Kd4 $1 $18) 64... Ne2 $11 65. Nxb6 {Kb4 is the strong threat.} Nxg3 66. Kb4 {And now Ka5 would win.} Ne2 67. Nc4+ Kc7 68. b6+ Kb8 69. Kb5 Nxf4 70. Na5 (70. Ne5 {seems wilder.} Kb7 71. Nd7 Nd5 72. Nc5+ Kc8 73. b7+) 70... Nd5 (70... Ne6 $1 $11) 71. Kc5 $16 Nf4 72. Kc6 $1 {Threatens to win with b7.} Ne6 $2 {[%mdl 8192]} (72... g5 $16) 73. Kb5 $2 ({White must play} 73. b7 $18 {Intending Kb6 and mate.} Nf8 74. Nc4) 73... Nd4+ $2 {[%mdl 8192] [#]} (73... Kc8 $11) 74. Ka6 $1 Kc8 {[#]} 75. b7+ $1 {Precision: White = 68%, Black = 45%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.22"]
[Round "11"]
[White "Valerga, Diego"]
[Black "Perez Ponsa, Federico"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2452"]
[BlackElo "2594"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,74,0,0,0,0,0,0,0,0,4,31,20,32,22,20,-29,-16,-25,-27,-58,-37,-21,-35,-67,-41,-72,-58,-126,-72,-127,-127,-202,-177,-233,-229,-253,-254,-254,-264,-350,-362,-399,-425,-464,-458,-534,-523,-477,-339,-386,-365,-355,-339,-356,-356,-325,-327]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 e6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Nf6 11. Ne4 {B19: Classical Caro-Kann: 4...Bf5 main line} (11. Bd2 c5 12. Ne4 Nc6 13. Bc3 cxd4 14. Nxd4 Nb4 15. Nxf6+ gxf6 16. Bxb4 Bxb4+ 17. c3 Be7 18. O-O-O Qb6 19. Qb5+ Kf8 {1-0 (55) Wei,Y (2727)-Wang,H (2690) China 2017}) 11... Nxe4 12. Qxe4 Nd7 13. Bd2 {The position is equal.} Nf6 14. Qe2 Qd5 15. c4 Qf5 16. O-O-O $146 ({Predecessor:} 16. Rh4 Bd6 17. Ne5 Rf8 18. O-O-O O-O-O 19. Rh3 Bxe5 20. dxe5 {1-0 (57) Kos,T (2310)-Zunic,M Zadar 1999}) 16... Bd6 17. Ne1 b5 18. c5 Bc7 $36 {[%mdl 2048] Black is more active.} 19. Nc2 O-O-O 20. a4 a6 21. Rh3 Kb7 22. Rdh1 Qd5 23. Rf3 {[#]} (23. f4 $15) 23... Rhe8 (23... e5 $142 $1 24. dxe5 Rhe8) 24. Be3 ({Better is} 24. Rh4) 24... e5 $17 {[%cal Re5d4]} 25. Rd1 (25. Nb4 $17 {was worth a try.} Qe4 26. Rxf6 exd4 27. axb5) 25... exd4 26. Rxd4 (26. Nxd4 $142 Qxc5+ 27. Qc2) 26... Qxh5 $19 27. axb5 axb5 28. Qd1 Ne4 29. g4 {[#]} Qg6 $1 ({Not} 29... Qxg4 30. Rxf7 Qg6 31. Rdd7 $15) (29... Rxd4 $2 30. Qxd4 Qg6 31. Qd7 $19) 30. Rf5 Qe6 31. Qf3 f6 32. Rh5 Rxd4 33. Bxd4 Qc4 34. b3 Qf1+ 35. Qd1 Bf4+ 36. Be3 Qxd1+ 37. Kxd1 Bxe3 {Precision: White = 28%, Black = 69%.} 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.22"]
[Round "11"]
[White "Villanueva, Mario"]
[Black "Pierrot, Facundo"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2451"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,131,19,3,33,33,28,25,37,37,46,32,45,35,80,68,95,95,99,52,88,16,56,63,84,19,26,22,27,26,70,71,62,63,66,64,90,86,97,92,100,105,89,79,105,110,114,102,103,102,124,115,119,123,119,119,111,101,116,120,131,128,114,121,118,113,116,116,224,224,212,224,217,220,223,225,216,214,208,197,181,189,289,200,217,210,255,252,255,255,251,243,265,243,244,251,256,241,247,219,220,219,350,275,347,347,317,268,345,331,335,343,343,334,334,233,443,430,378,373]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 Be7 7. Bg5 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} (7. Bd3 O-O 8. O-O Re8 9. Re1 Nbd7 10. Ne2 b6 11. c4 Bb7 12. Nc3 d5 13. Bf4 a6 14. Qb3 Nf8 15. cxd5 Nxd5 16. Nxd5 Bxd5 17. Bxc7 Bxb3 18. Bxd8 Raxd8 19. axb3 {½-½ (48) Nepomniachtchi,I (2751)-Jobava,B (2687) Tbilisi 2017}) 7... h6 8. Bf4 {LiveBook: 3 Games} c6 9. Bd3 {White is slightly better.} Na6 $146 {[%cal Bb8a6,Ba6c7,Bc7d5][%mdl 32]} ({Predecessor:} 9... Be6 10. Qd2 Qa5 11. Ne4 Qxd2+ 12. Nfxd2 Nxe4 13. Nxe4 Kd7 14. Ng3 Re8 {1-0 (23) Wells,D (2016)-Van Kemenade,R (1971) Liverpool 2008}) 10. a3 Be6 11. Ne2 Nc7 12. h3 Qd7 13. Ng3 Ncd5 14. Bd2 b5 15. O-O O-O 16. Re1 Rfe8 17. Nh4 (17. b3 $16) 17... Nh7 18. Nhf5 Bg5 19. h4 (19. a4 $16) 19... Bxd2 $11 20. Qxd2 Bxf5 21. Nxf5 Re6 22. a4 b4 23. Rxe6 fxe6 24. Ne3 Nhf6 25. Nxd5 Nxd5 26. Re1 a5 27. g3 Re8 28. Qe2 Re7 29. Bg6 Qc8 30. Qc4 Nb6 31. Qd3 Nd5 32. c4 bxc3 33. bxc3 Nf6 34. Kg2 Nd7 35. Qc4 Nf8 36. Be4 c5 {next ...d5 is good for Black.} 37. Bf3 d5 38. Qxc5 Qxc5 39. dxc5 $16 {[%mdl 4096] Endgame KRB-KRN} Rc7 40. c4 $1 {[%cal Rc4d5]} dxc4 (40... Rxc5 $16 41. cxd5 exd5) 41. c6 $18 Kf7 42. Rc1 Ke7 43. Rxc4 Kd6 44. Rd4+ Kc5 {[#]} 45. Rd8 $1 {[%cal Rd8f8]} Ng6 46. Rb8 Ne5 47. Rb5+ Kd4 (47... Kd6 {was necessary.} 48. Rxa5 Nxf3) 48. Rxa5 Rf7 49. Bh5 Rc7 50. Be8 Nxc6 51. Ra6 Ne5 52. Rd6+ Ke4 53. Rxe6 {[#] aiming for f4.} Kd5 54. Rb6 Rc2 55. Rb3 g5 56. hxg5 hxg5 57. Ra3 g4 (57... Ng4 {was called for.} 58. a5 Rxf2+ 59. Kh3 Ne5) 58. Bb5 Rb2 59. Ra1 Nf3 60. Bf1 Kc6 61. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} Kb7 62. a6+ Ka7 63. Rd1 Nd2 64. Re1 Ra2 $2 (64... Nxf1 65. Kxf1 (65. Rxf1 Kxa6 66. Ra1+ Kb5 $16) 65... Rb4) 65. Re7+ Kb6 66. Be2 {Precision: White = 74%, Black = 48%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.22"]
[Round "11"]
[White "Slipak, Sergio"]
[Black "Pichot, Alan"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2437"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,36,10,-11,8,20,12,0,3,-4,9,3,8,3,4,2,133,128,169,85,86,93,235,233,223,228,186]} 1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. d3 h5 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} 7. h3 {LiveBook: 5 Games} h4 8. g4 f5 $146 {The position is equal.} ({Predecessor:} 8... e5 9. Nge2 Nd4 10. b4 Nxe2 11. Nxe2 Ne7 12. bxc5 dxc5 13. Nc3 Be6 14. Be3 {½-½ (22) Solak,D (2577)-Sutovsky,E (2665) Plovdiv 2010}) 9. gxf5 gxf5 10. Bg5 Bf6 11. Qd2 e5 12. Bxf6 Nxf6 13. f4 exf4 (13... fxe4 $11 {keeps the balance.} 14. O-O-O Qe7) 14. O-O-O $1 $16 Ne5 {[#]} 15. Nf3 (15. exf5 $1 $18 {Nf3 is the strong threat.} Rh5 16. Qxf4) 15... fxe4 16. dxe4 Be6 {[#]} ({Reject} 16... Nxc4 $6 17. Qe2 $11) (16... Bd7 $16) 17. Nb5 $1 $18 {[%cal Rb5d6]} ({Weaker is} 17. Qxd6 Qxd6 18. Rxd6 Ke7 $11) 17... Nf7 18. Qxf4 ({Not} 18. Nxd6+ Qxd6 19. Qxd6 Nxd6 $11) 18... Nh5 {Precision: White = 56%, Black = 25%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.22"]
[Round "11"]
[White "Dolezal, Cristian"]
[Black "Real De Azua, Ernesto"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2426"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,119,-21,-29,-29,-4,-8,-11,-17,-6,-28,-17,-31,-15,-10,-10,-13,-26,-52,-56,-49,-55,-62,-64,-51,0,0,0,-29,-30,-41,-34,-41,-37,-63,-58,-77,-42,-77,-56,-57,-51,-83,-83,-70,-64,-54,0,-25,-17,-18,0,0,0,0,0,0,0,0,38,54,94,26,39,33,114,47,42,27,25,27,31,27,20,18,19,22,34,37,37,40,29,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. e3 Be7 5. c4 O-O 6. cxd5 exd5 7. Be2 Bf5 {A13: English Opening: 1...e6} 8. O-O h6 {LiveBook: 3 Games} 9. d3 (9. a3 Re8 10. d3 c6 11. Nbd2 Nbd7 12. b4 a5 13. Bc3 axb4 14. axb4 {1-0 (62) Riazantsev,A (2708)-Rublevsky,S (2695) Khanty-Mansiysk 2013}) 9... Bh7 {Black has an edge.} 10. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} a5 $146 ({Predecessor:} 10... Bd6 11. a3 a5 12. Bc3 Qe7 13. Qc1 Nbd7 14. Qb2 Nc5 15. Bxf6 Qxf6 16. Qxf6 gxf6 {½-½ (58) Wirthensohn,H (2392)-Raupp,T (2325) Baden 2010}) 11. a3 Na6 12. Ra2 Re8 13. Re1 Bf8 14. Nf1 Nc5 15. Ng3 Ne6 16. Bxf6 Qxf6 17. d4 Bd6 18. Bd3 Bxd3 19. Qxd3 Bxg3 (19... c6 $15) 20. hxg3 $11 c6 21. Rb1 Nc7 22. b4 a4 23. Ne5 Nb5 24. Qc2 Nd6 25. Rc1 Qd8 26. Nd3 h5 27. Qd1 h4 28. gxh4 Qxh4 29. g3 Qg5 30. Qf3 Nc4 (30... g6 $15) 31. b5 cxb5 {[%cal Rc4e3]} 32. Nf4 Re4 33. Rb1 Nd6 34. Qh5 $36 {[%mdl 2048] White has the initiative.} Qxh5 35. Nxh5 Rc8 36. Nf4 Rxf4 37. gxf4 {[%mdl 4096] Endgame KRR-KRN} f6 38. Kf1 (38. Raa1 $16) 38... Kf7 39. Ke2 Ne4 {[#]} (39... Rc3 $14) 40. Rab2 ({White should try} 40. Kf3 $1 $16 Nd6 41. f5) 40... Nc3+ $14 41. Kd3 Nxb1 42. Rxb1 $11 {KR-KR} Ke6 43. Rxb5 Rc1 44. f5+ Kxf5 45. Rxd5+ Kg6 46. Ra5 b5 $1 47. Rxb5 {[#] Threatens to win with Rb4.} Ra1 48. d5 Rxa3+ {The position is equal.} 49. Kd4 Ra2 50. f4 Kf5 51. Ra5 a3 52. Kc5 g5 {aiming for ...g4.} 53. fxg5 fxg5 54. Kd6 g4 55. Ke7 {And now d6+ would win.} g3 {...g2 is the strong threat.} 56. d6+ Ke4 {Hoping for ...g2.} 57. d7 Rd2 58. Rxa3 g2 59. Ra4+ Kxe3 60. Rg4 {Precision: White = 52%, Black = 66%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.22"]
[Round "11"]
[White "Acosta, Pablo Ismael"]
[Black "Sosa, Tomas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2409"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,54,32,44,-8,-8,-10,-15,-12,-12,-12,-12,-19,-12,-13,-5,-13,-10,-3,0,-1,0,-9,-17,-9,0,-24,0,0,0,0,26,26,40,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 g6 5. e4 e5 6. dxe5 dxe5 7. Bg5 {E61: King's Indian: Early deviations for White, including Smyslov System} (7. a3 $14) (7. Qc2 c6 8. Be2 Qc7 9. a3 Nc5 10. b4 Ne6 11. Bb2 Bg7 12. Na4 Nh5 13. g3 O-O 14. O-O b6 {0-1 (41) Ynojosa Aponte,F (2415)-Shabalov,A (2520) Greensboro 2015}) 7... h6 $11 8. Bh4 Bg7 9. Nxe5 $146 ({Predecessor:} 9. Be2 O-O 10. Qc2 c6 11. O-O g5 12. Bg3 Nh5 13. Bxe5 Nxe5 14. Nxe5 Bxe5 15. Bxh5 g4 16. f4 Bd4+ 17. Kh1 Qh4 18. Ne2 c5 19. Ng3 Bd7 20. Rad1 Rad8 {0-1 (39) Kaloskambis,M (2213)-Mastrokoukos,G (2357) Chalkidiki 2002}) 9... Nxe5 10. Qxd8+ Kxd8 11. O-O-O+ Bd7 {And now ...g5 would win.} 12. f4 {[#]} g5 $1 13. fxe5 (13. fxg5 hxg5) 13... gxh4 14. exf6 Bxf6 15. Be2 {Bg4 is the strong threat.} Ke8 16. Nd5 $132 {[%mdl 2048] White is fighting back} Be5 17. Rhf1 Be6 18. Nf4 Ke7 19. Nd5+ Kf8 20. Nf4 {[#] Black must now prevent Ng6+.} Bxf4+ (20... Kg7 {feels hotter.} 21. Nxe6+ fxe6 22. Bh5 Rhf8 23. Rd7+ Kh8) 21. Rxf4 Rg8 22. Bf1 (22. Rg1 {keeps more tension.} h3 23. g3 Rg5 24. Rd1 b6 25. Kc2) 22... Rg4 {The position is equal.} 23. Rxg4 Bxg4 24. Rd4 Re8 25. Bd3 Re5 26. Rd8+ Re8 27. Rxe8+ Kxe8 {Precision: White = 65%, Black = 77%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.22"]
[Round "11"]
[White "Cuberli, Emiliano"]
[Black "Flores, Diego"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2248"]
[BlackElo "2574"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,54,0,0,37,38,42,5,11,10,46,37,35,33,36,-16,0,0,0,0,29,-56,-53,-60,-60,-61,-58,-55,-45,-53,-54,-152,-156,-178,-187,-241,-259,-335,-343,-372,-339,-337,-343,-348,-333]} 1. c4 c5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nc6 5. O-O e6 6. e3 Nge7 7. d4 {[%cal Bd2d4,Bd4d5][%mdl 32] LiveBook: 25 Games. A30: Symmetrical English: Double Fianchetto and Hedgehog} O-O (7... cxd4 8. Nxd4 d5 9. cxd5 Nxd4 10. exd4 Nxd5 11. Nc3 O-O 12. Nxd5 exd5 13. Be3 {½-½ (13) Vajda,L (2596)-Areshchenko,A (2675) Hungary 2017}) 8. d5 $146 ({Predecessor:} 8. dxc5 Qa5 9. Nc3 Qxc5 10. Qe2 d5 11. cxd5 Nxd5 12. Bd2 Bxc3 13. Rfc1 Qe7 14. bxc3 e5 {0-1 (55) Vega Viejo,M (2226)-Bruzon Batista,L (2488) Candas 1999}) 8... Na5 9. Nfd2 {White is slightly better.} Rb8 10. Na3 exd5 11. cxd5 b5 12. Rb1 b4 13. Nac4 ({White should play} 13. Nc2 $14) 13... Ba6 $36 {[%mdl 2048] White is under pressure.} 14. b3 Nc8 {[%cal Be7c8,Bc8b6,Bb6c4][%mdl 32]} 15. Qc2 Nxc4 16. Nxc4 ({White should try} 16. bxc4 $11 Qa5 17. Nb3) 16... Nb6 $15 17. Rd1 Bxc4 18. bxc4 d6 19. h4 Re8 20. h5 Qd7 21. Bf3 {[#]} (21. Bf1 $15) 21... Nxc4 $1 $17 {[%mdl 512]} 22. hxg6 (22. Qxc4 Qf5) 22... hxg6 23. Qxc4 (23. e4 $142 Ne5 24. Be2) 23... Qf5 $1 $19 {[%csl LRb1,LRf3]} 24. Kg2 {Black must now prevent e4.} Qxb1 25. e4 {If only White now had time for Bf4....} b3 26. axb3 Qxb3 27. Qa6 Qb6 {Precision: White = 42%, Black = 69%.} 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.23"]
[Round "12"]
[White "Mareco, Sandro"]
[Black "Villanueva, Mario"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2644"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,73,0,0,0,21,29,46,44,29,0,0,-7,0,0,0,-5,-6,0,0,0,-3,-2,165,165,141,144,192,73,112,0,25,38,156,70,80,52,147,132,139,125,183,152,164,0,0,0,0,0,0,-14,-7,-14]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. c4 d4 5. O-O c5 6. e3 Nc6 7. exd4 cxd4 8. d3 Bd6 {A13: English Opening: 1...e6} 9. Na3 (9. a3 a5 10. Bg5 h6 11. Bxf6 Qxf6 12. Nbd2 Qe7 13. Ne4 Bc7 14. b4 axb4 15. axb4 Rxa1 16. Qxa1 Qxb4 {½-½ (30) Nakamura,H (2792)-Fedoseev,V (2731) Tbilisi 2017}) 9... e5 10. Nc2 O-O 11. b4 Re8 12. Re1 a6 {[%cal Ba7a6,Ba6a5,Ba5b4][%mdl 32] LiveBook: 3 Games} 13. Bg5 Bd7 $146 ({Predecessor:} 13... Bf5 14. Nh4 Bd7 {0-1 (45) Kretzschmar,G-Stroup,J ICCF email 2014}) 14. c5 Bf8 15. a4 h6 16. Bd2 {With the idea b5.} (16. Bxf6 $5 Qxf6 17. Nd2 $14) 16... Qc7 17. Na3 a5 18. b5 $36 {[%mdl 2048] White is more active.} Nb4 19. Bxb4 axb4 20. Nc4 {aiming for c6.} e4 21. dxe4 {[%cal Bd3e4,Be4e5][%mdl 32] Black must now prevent Nd6.} Bxc5 22. Qd3 b6 $2 (22... Be6 $11 {and Black has nothing to worry.}) 23. e5 $18 ({Worse is} 23. Nxd4 Rad8 $15) 23... Nh7 24. Nfd2 ({Don't play} 24. Nxd4 $6 Rad8 $11) 24... Rad8 25. Ne4 (25. f4 $18 {is more deadly.}) 25... Bf5 26. Nf6+ (26. f4 $16) 26... Nxf6 (26... gxf6 {is more complex.} 27. Qxf5 d3 28. Be4 Ng5 29. Bxd3 fxe5 30. Be2 Re6) 27. Qxf5 Qd7 ({Black should try} 27... Nd5 $1 $14) 28. Qxd7 (28. Qd3 $1 $16 Nd5 29. a5) 28... Nxd7 $14 29. f4 f6 {[#]} (29... g5 $14) 30. e6 $1 $16 {[%cal Re6d7]} d3+ {[%cal Bd4d3,Bd3d2][%mdl 32]} 31. Kf1 Nf8 (31... Nb8 $16) 32. f5 g6 {[#]} 33. Be4 $2 (33. e7 $1 $18 {[%mdl 512]} Rxe7 (33... Bxe7 34. Bc6) 34. Rxe7 Bxe7 35. Nxb6) 33... d2 {The position is equal.} 34. Red1 gxf5 35. Bxf5 Rd5 36. Bc2 Nxe6 37. Rxd2 {Precision: White = 51%, Black = 35%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.23"]
[Round "12"]
[White "Perez Ponsa, Federico"]
[Black "Acosta, Pablo Ismael"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2594"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]

{[%evp 25,67,20,28,22,59,55,49,54,47,33,54,21,44,45,45,40,38,18,22,0,0,0,43,40,21,0,75,31,22,0,0,0,0,0,0,0,0,-101,-95,-196,-214,-304,-285,-294]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. O-O-O d5 10. Qe1 e5 11. Nxc6 bxc6 12. exd5 Nxd5 13. Bc4 Be6 14. Kb1 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} Rb8 (14... Re8 15. h4 Qc7 16. Nxd5 cxd5 17. Bxd5 Bxd5 18. Rxd5 e4 19. fxe4 Rxe4 20. Qd2 Bxb2 21. Kxb2 Qb7+ {½-½ (54) Navara,D (2735)-Edouard,R (2641) Drancy 2016}) 15. Ne4 Qc7 16. Bc5 {White is slightly better.} Rfd8 17. h4 h6 18. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} a5 19. g5 {[#] And now h5 would win.} h5 20. a4 Bf8 $146 {White should prevent ...Bxc5.} ({Predecessor:} 20... Qb7 21. b3 Ra8 {1-0 (49) Wei,Y (2604)-Yankovsky,R (2425) Las Vegas 2013}) 21. Bxf8 Kxf8 22. Qf2 Qe7 23. Bb3 Nf4 24. Bxe6 Nxe6 25. c3 Rb7 (25... Kg7 $11 {keeps the balance.}) 26. Rxd8+ Qxd8 27. Nf6 Qd3+ 28. Qc2 Qxf3 29. Re1 Qg3 30. Qd2 Kg7 31. Qe3 (31. Ne8+ $11 {remains equal.} Kh7 32. Nf6+ Kh8 33. Rd1) 31... Qxh4 $17 32. Ne8+ (32. Qxe5 $17 Qxg5 33. Nxh5+ Kf8 34. Qd6+ (34. Qh8+ $2 Ke7 $19) 34... Kg8 35. Ng3) 32... Kg8 33. Nf6+ (33. Nd6 $142 Rd7 34. Ne8) 33... Kh8 $19 34. Ne4 {[%mdl 32768] Precision: White = 44%, Black = 51%. . An unexpected result.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.23"]
[Round "12"]
[White "Flores, Diego"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2574"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]

{[%evp 18,95,10,13,41,42,43,7,20,11,20,13,16,5,16,14,14,8,30,35,33,40,46,47,46,48,55,46,53,37,88,96,89,99,111,100,112,122,221,211,270,262,245,236,212,220,279,232,235,228,231,227,231,238,275,270,254,246,311,315,299,253,470,458,661,638,895,894,717,665,1592,1385,12834,5989,5608,6219,5820,2422,1883,1806]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. c4 c6 6. b3 O-O 7. Bb2 a5 8. Nc3 Ne4 {A11: English Opening: 1...c6} 9. Na4 Bxb2 10. Nxb2 {LiveBook: 6 Games} Qd6 $146 {The position is equal.} ({Predecessor:} 10... Na6 11. d3 Nf6 12. cxd5 Nxd5 13. Qd2 Bg4 14. Nc4 Bxf3 15. Bxf3 Nc5 16. d4 {½-½ (72) Anton Guijarro,D (2650)-Vidit,S (2689) Doha 2016}) 11. d3 Nf6 12. Na4 Bg4 13. Rc1 Bxf3 14. Bxf3 Nbd7 15. Bg2 e5 16. cxd5 Nxd5 17. d4 N5f6 18. dxe5 Qxe5 19. Qc2 Rfe8 20. e3 h5 21. Rfd1 h4 22. Rd4 hxg3 23. hxg3 Nf8 (23... Qe7 $14) 24. Nb6 $16 Rad8 25. Nc4 Qe7 26. Rxd8 Rxd8 27. Nxa5 Ne6 {[#]} (27... Rd7 $16) 28. Bxc6 $1 $18 {[%mdl 512]} Qb4 {Threatens to win with ...Rd2.} (28... bxc6 29. Nxc6) 29. Nxb7 Rd2 30. Qc3 Qxc3 31. Rxc3 Ng4 32. f3 {[%cal Bf2f3,Bf3f4][%mdl 32]} Ne5 33. f4 Nxc6 34. Rxc6 Rxa2 35. Nc5 Nxc5 36. Rxc5 {[%mdl 4096] Endgame KR-KR} Rb2 37. Rc3 f5 38. Kf1 Kg7 {[#]} 39. Ke1 $1 Kh6 $2 (39... Kf7 40. Kd1 Ke7) 40. Kd1 {White is clearly winning.} Kh5 (40... Ra2 $142 41. Rc6 Kh5) 41. Kc1 Rh2 42. b4 Kg4 43. b5 Kxg3 44. b6 Rh8 45. b7 (45. Rb3 $142 Rb8 46. Kc2) 45... Rb8 46. Rc7 Kf3 47. Kd2 (47. Re7 $142 Kg4 48. Kd2) 47... Ke4 48. Rd7 {Precision: White = 74%, Black = 33%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.23"]
[Round "12"]
[White "Pichot, Alan"]
[Black "Dolezal, Cristian"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2571"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]

{[%evp 31,74,45,55,28,31,28,29,33,26,11,2,0,0,-16,-21,-24,0,-175,-180,-155,-142,-147,-154,-227,-231,-366,-352,-350,-329,-299,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. a4 Rb8 15. axb5 axb5 16. b4 Nb7 {LiveBook: 10 Games. C98: Closed Ruy Lopez: Chigorin Defence: 11 d4 Qc7 12 Nbd2 Nc6} 17. Nb3 (17. Nf1 Bd7 18. Bd2 Ra8 19. Ne3 Rfb8 20. Bd3 c4 21. Bc2 Rxa1 22. Qxa1 Qc8 23. Qb2 Ra8 24. Ra1 {½-½ (120) Neiksans,A (2624)-Stern,R (2521) Germany 2017}) 17... Bd7 18. Be3 $146 ({Predecessor:} 18. Bd2 Rfc8 19. bxc5 Nxc5 20. Nxc5 dxc5 21. Qc1 Ra8 22. Qb2 Qd6 23. Bg5 Ne8 24. Be3 {½-½ (24) Weissleder,W (2350)-Chuikov,N (2360) ICCF corr 1996}) 18... Ra8 {White has an edge.} 19. Qe2 Rfc8 20. bxc5 dxc5 21. Nbd2 {[%cal Bb3d2,Bd2f1,Bf1g3][%mdl 32]} c4 22. Nf1 Ne8 23. Ng3 g6 24. Nxe5 $2 (24. Reb1 $11) 24... Qxe5 25. Bd4 Qf4 26. e5 Bc5 27. Rad1 {[#]} (27. Qe3 $17 {keeps fighting.} Qxe3 28. fxe3) 27... Ra2 $1 $19 28. e6 (28. Rd2 $142) 28... fxe6 29. dxe6 Bc6 30. e7 {[#]} Bxd4 $2 ({Black should play} 30... Rc7 $1 $19 {[%cal Rc7e7]} 31. Qe6+ Qf7 32. Qxf7+ Kxf7) 31. Rxd4 $11 {The position is equal.} Qf6 {Hoping for ...Rc7.} 32. Qg4 $1 $36 {[%mdl 2048] White is pushing.} Rxc2 33. Rf4 {[#]} Bd7 $1 {[%cal Rd7g4]} 34. Qf3 $1 (34. Qxd7 Qxf4) 34... Bc6 ({Don't play} 34... Rxc3 $6 35. Qd5+ Kg7 36. Rxf6 $18) 35. Qg4 $1 {[#]} Bd7 $1 {[%cal Rd7g4]} 36. Qf3 $1 (36. Qxd7 Qxf4) 36... Bc6 ({Avoid the trap} 36... Rxc3 $2 37. Qd5+ Kg7 38. Rxf6 $16) 37. Qg4 $1 {[#]} Bd7 $1 {Precision: White = 46%, Black = 82%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.23"]
[Round "12"]
[White "Krysa, Leandro"]
[Black "Real De Azua, Ernesto"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2545"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,58,18,23,29,24,28,6,8,0,0,-12,-6,-52,2,-31,-34,-34,-31,-31,-19,-24,-22,-51,-50,-52,-52,-52,-50,-54,-50,-54,-47,-54,-54,-54,0,-8,0,-3,-10,-14,0,0,0]} 1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Bb4 5. Qb3 a5 6. g3 b6 7. Bg2 Bb7 8. O-O O-O {A10: English Opening: Unusual Replies for Black} 9. Rd1 {LiveBook: 13 Games} (9. Bg5 h6 10. Bxf6 Rxf6 11. Rfd1 Kh8 12. d5 exd5 13. Nxd5 Bxd5 14. cxd5 Na6 15. a3 Bd6 16. Qc4 {1-0 (63) Vachier Lagrave,M (2686)-Vaisser,A (2556) Pau 2012}) 9... Qc8 10. Bg5 Bxc3 $146 {White has an edge.} ({Predecessor:} 10... Ne4 11. Nxe4 Bxe4 12. Bf1 h6 13. Be3 c5 14. dxc5 Nc6 15. Rd6 Bxc5 16. Bxc5 bxc5 {1-0 (39) Ostmoe,G (2443)-Gronn,A (2378) Oslo 2011}) 11. Qxc3 Ne4 12. Qc1 d6 13. d5 Na6 14. Nd4 Nac5 (14... exd5 $15 15. Bf4 dxc4) 15. dxe6 (15. Be3 {feels hotter.} e5 16. Nb5 Ba6 17. f3 Nf6 18. Bh3) 15... Nxe6 16. Be3 Nxd4 17. Rxd4 Qe6 18. b3 h6 19. Qf1 g5 20. Bxe4 Bxe4 21. f3 Bc6 22. Rd3 Rae8 23. Re1 Kh7 24. Bd4 Qg6 25. Qf2 Re6 26. Re3 $1 {The position is equal.} Rxe3 27. Qxe3 Re8 28. Qd2 g4 29. Bc3 gxf3 {Precision: White = 53%, Black = 68%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.23"]
[Round "12"]
[White "Sosa, Tomas"]
[Black "Cuberli, Emiliano"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2466"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]

{[%evp 18,85,37,19,40,1,23,-17,-5,-17,46,-28,-29,-29,88,82,92,109,108,103,106,100,120,133,126,101,119,111,168,172,183,176,200,188,195,154,180,154,177,175,402,4,14,-133,113,110,188,139,129,0,46,-75,-80,-66,-41,-22,-53,-32,-38,-37,183,189,586,583,787,773,737,745,1540,1504]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3,Bb3a2][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 O-O 8. a4 Bb7 9. Re1 d6 10. Nbd2 {LiveBook: 391 Games} Nd4 {C88: Closed Ruy Lopez: Anti-Marshall Systems} (10... Qd7 11. Nf1 Nd8 12. Ng3 Ne6 13. Ba2 c5 14. c3 Rfe8 15. h3 Bf8 16. Ng5 d5 17. Nxe6 Qxe6 18. Bg5 Nd7 19. Qg4 c4 20. exd5 Bxd5 21. Bb1 {½-½ (21) Jakovenko,D (2718)-Svetushkin,D (2573) Minsk 2017}) 11. Ba2 Nd7 $146 ({Predecessor:} 11... Ne6 12. Nf1 c5 13. Ng3 g6 14. h3 Nf4 15. Nh2 d5 16. exd5 N6xd5 17. Nf3 f6 18. Bxf4 exf4 {1-0 (55) Petkova,V (1959)-Vladimirova,M (1992) Pleven 2006}) 12. Nf1 Nxf3+ {The position is equal.} 13. Qxf3 Bg5 (13... bxa4 $11 14. Ng3 Bg5) 14. Be3 (14. Bxg5 $14 Qxg5 15. Qh3) 14... bxa4 $11 15. Qg4 Bf4 (15... Bxe3 $11 16. Nxe3 Rb8) 16. Bxf4 $16 exf4 17. Qxf4 Bc6 18. Qd2 Qf6 19. d4 Rfe8 20. Ng3 Rab8 21. c3 {[%cal Bc2c3,Bc3c4][%mdl 32]} Rb6 22. f4 Qd8 (22... Reb8 $16) 23. Re2 $18 Bb5 24. c4 Bc6 25. Rf1 Ba8 26. Qc3 Qh4 27. Rf3 c5 28. d5 g6 $2 {[#]} (28... Bb7 29. Qxg7+ (29. Nf5 Qf6 $14) 29... Kxg7 30. Nf5+ Kh8 31. Nxh4 Bc8) 29. Qa5 $2 (29. Nf5 $1 $18 {[%csl Gf5][%cal Rc3g7][%mdl 512]} Qf6 (29... gxf5 30. Rg3+) 30. Nh6+ Kf8 31. e5 $1 {[%mdl 512]}) 29... Rb4 $11 30. Qxa6 (30. Qc7 $11 Qd8 31. Qxd8 Rxd8 32. e5) 30... Nb6 $2 (30... Qd8 $1 $17 {and life is bright. Strongly threatening ...Bb7.} 31. e5 dxe5 32. fxe5 Rxe5 33. Rxe5 Nxe5) 31. e5 $1 $16 dxe5 (31... f5 $16 32. Qa7 Qe7 33. Qxe7 Rxe7) 32. Ne4 exf4 33. Qa7 (33. Nf6+ $6 Qxf6 34. Rxe8+ Kg7 $11) (33. g3 $1 $16 {[%cal Rg3h4]} Qe7 34. Nf6+ $1 {[%mdl 512]} (34. gxf4 Kg7 $17) (34. Rxf4 Kh8 $16) 34... Qxf6 35. Rxe8+ Kg7 36. Rxf4 Qxb2 37. Rf2 Qa1+ 38. Kg2) 33... Kg7 {And now ...Qe7 would win.} (33... Bxd5 $5 34. cxd5 Rbxe4 35. Rxe4 Rxe4 36. Qxb6 Qe1+ 37. Rf1 Qe3+ 38. Kh1 Qf2 $11) 34. Qc7 (34. Rh3 $14 Rxe4 35. Rxe4 (35. Rxh4 Rxe2 36. h3 Rexb2 $11)) 34... Nxd5 $1 $17 35. Qxc5 Nf6 36. Qxb4 Bxe4 37. Rf1 $1 f3 38. gxf3 Bxf3 $2 (38... Qg5+ $15 {stays ahead.} 39. Rg2 Qe3+ 40. Rff2 Rd8 41. Qxa4 {[#]} Ng4 $1 {[%mdl 512]}) 39. Rxe8 $18 {[%csl Ge8][%cal Rb4f8]} Qg4+ $2 (39... Qd4+ 40. Rf2 Nxe8) 40. Kf2 {[%csl Ge8][%cal Rb4f8] White is clearly winning.} Qg2+ 41. Ke1 {[%csl Ge8][%cal Rb4f8]} Nxe8 42. Qc3+ Nf6 43. Rxf3 {Precision: White = 53%, Black = 33%.} 1-0

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.23"]
[Round "12"]
[White "Pierrot, Facundo"]
[Black "Valerga, Diego"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2405"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,54,20,17,29,20,22,10,28,14,30,22,27,18,47,35,50,30,36,31,36,0,3,18,15,10,14,0,38,31,29,41,40,19,18,0,60,0,18]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. O-O O-O 8. h3 Nc6 {B04: Alekhine's Defence: 4 Nf3} 9. exd6 cxd6 10. Re1 {LiveBook: 10 Games} d5 (10... Bf5 11. c3 e5 12. Be3 Qc7 13. Na3 a6 14. dxe5 Nxe5 15. Nd4 Bd7 16. Qd2 Rfe8 17. Bh6 {1-0 (40) Grischuk,A (2747)-Bortnyk,O (2579) ICC INT 2016}) 11. c3 Bf5 12. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} f6 $146 ({Predecessor:} 12... Re8 13. Nbd2 Rc8 14. Qe2 Na5 15. Qb5 Nac4 16. Bxc4 dxc4 17. Ne4 {1-0 (32) Royset,P (2216)-Snellingen,J (2061) Stavanger 2017}) 13. Bh4 g5 14. Bg3 e6 15. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3][%mdl 32]} Na5 16. Bc2 Qd7 17. Nf1 Rac8 18. Ne3 Be4 19. Nd2 Bxc2 20. Nxc2 Nac4 21. Nxc4 Nxc4 22. Rb1 Rfe8 23. Ne3 Qf7 24. Nxc4 Rxc4 25. f4 gxf4 26. Bxf4 Rc6 (26... e5 $11 27. Be3 b6) 27. Qd2 ({Better is} 27. Rf1 $14) 27... e5 {Precision: White = 51%, Black = 37%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.24"]
[Round "13"]
[White "Real De Azua, Ernesto"]
[Black "Pichot, Alan"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2484"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,17,6,12,6,14,7,25,33,26,27]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 Be7 4. h3 O-O 5. e3 b6 6. Nbd2 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} c5 7. c3 Ba6 8. Bxa6 Nxa6 9. O-O {Predecessor:} Qc8 $146 10. a4 Qb7 11. Qe2 Rfc8 12. Bg5 h6 13. Bh4 {½-½ (55) Kamsky,G (2670)-Dominguez Perez,L (2732) Sochi 2016} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.24"]
[Round "13"]
[White "Valerga, Diego"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2452"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "161"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,161,-10,-22,-24,-26,4,0,0,0,11,-37,7,-20,-18,-34,0,-14,0,0,0,0,16,0,0,-13,-11,-8,-8,-16,-15,-7,0,0,0,0,0,-32,-37,-45,12,7,9,14,26,17,17,20,48,0,0,0,0,0,0,0,0,-10,-10,-20,-16,-70,-70,-70,-70,-185,-118,-186,-71,-71,-69,-70,-12,-15,-8,-8,-8,-8,-8,-8,-8,-8,0,-7,0,0,0,-8,0,0,0,-33,-34,-24,-24,-70,-70,-70,-70,-70,-68,-67,-20,-28,-28,-28,-22,-24,0,-24,-24,-24,-22,-22,-22,-31,0,-9,-9,-9,-10,-70,0,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Nc3 c6 6. Bg5 h6 7. Bh4 Bf5 8. Qb3 g5 9. Bg3 Qb6 $1 {D35: Queen's Gambit Declined: Exchange Variation} 10. e3 Na6 (10... Nbd7 11. Nd2 Nh5 12. Be2 Nxg3 13. hxg3 Nf6 {0-1 (68) Debashis,D (2472)-Adams,M (2751) Caleta 2017}) 11. Qxb6 axb6 {The position is equal.} 12. Ne5 $146 ({Predecessor:} 12. a3 Nb8 13. Kd2 Nbd7 14. Bd3 Be6 15. Ne5 Rg8 16. h3 b5 17. a4 bxa4 18. Rxa4 Rxa4 19. Nxa4 {½-½ (33) Seirawan,Y (2630)-Zvjaginsev,V (2635) Groningen 1997}) 12... b5 13. Bd3 Ne4 14. f3 (14. Bxe4 $5 dxe4 15. f3 $14) 14... Nxg3 15. hxg3 Be6 16. f4 Bg7 17. Kd2 Nb8 18. a3 Nd7 19. Nf3 {[#] And now f5 would win.} f6 20. e4 dxe4 21. Nxe4 O-O-O {[%cal Be8c8,Bc8c7,Bc7d6][%mdl 32]} 22. Rae1 Bd5 23. Nd6+ Kc7 24. Nf5 $1 {[%cal Rf5g7]} Bf8 25. fxg5 fxg5 26. Ne7 Bxe7 27. Rxe7 Kd6 (27... Kb6 $15) 28. Rg7 $11 Rdf8 29. g4 Bxf3 30. gxf3 Rxf3 31. Bf5 {[%csl Gf5][%cal Rg7d7]} Nb6 32. Rxb7 Nc4+ 33. Ke2 {[%csl Gf5][%cal Rb7d7]} Re3+ 34. Kf2 {[%csl Gf5][%cal Rb7d7]} Re7 35. Rxe7 Kxe7 {[%mdl 4096] Endgame KRB-KRN} 36. Re1+ Kd6 37. Re2 h5 38. Re6+ (38. gxh5 $11 Rf8 39. Kg3 Rxf5 40. h6) 38... Kd5 $15 39. Rg6 $1 hxg4 {Hoping for ...Rf8.} 40. Bxg4 ({White should try} 40. Bd7 $15) 40... Kxd4 (40... Rh2+ $19 41. Ke1 Rxb2 42. Be6+ Kxd4 43. Bxc4 Kxc4 44. Rxc6+ Kd4) 41. Kg3 {[#]} (41. Be2 $17) 41... Re8 ({Don't take} 41... Nxb2 42. Rxc6 Nc4 43. a4 $17) (41... c5 $1 $19 {is more deadly.} 42. Be2 Rb8) 42. Rxc6 $17 Re3+ 43. Kf2 Ne5 (43... Rb3 $15 44. Be2 Rxb2) 44. Rd6+ $11 Kc5 45. Bd1 $1 Rh3 46. Rd2 Rh2+ 47. Ke1 Rh1+ 48. Kf2 g4 {...Rh2+ is the strong threat.} 49. Kg3 Re1 50. Kf2 Re4 51. Re2 Rf4+ 52. Kg2 Nc4 53. Kg3 Rf1 54. Bc2 Nxb2 55. Kxg4 Nc4 56. Re8 Nxa3 57. Bd3 Rg1+ 58. Kf3 b4 59. Rb8 Re1 60. Kf2 Re7 61. Kf3 Re1 62. Kf2 Rh1 63. Ke2 Rh2+ 64. Kd1 Rh3 65. Ke2 Rh2+ 66. Kd1 Ra2 67. Kc1 Kd4 68. Rxb4+ ({Better is} 68. Bf5 $11) 68... Kc3 ({Black should play} 68... Kxd3 $15 69. Rb3+ Kd4) 69. Rb6 (69. Rb7 $11) 69... Kxd3 $15 {KRN-KR. Black is slightly better.} 70. Rb3+ Kd4 71. Rb8 Rg2 72. Rh8 Nc4 73. Rh3 Ne3 74. Rh8 Kc3 {[%cal Rg2g1]} 75. Rc8+ Nc4 {[%cal Rg2g1]} 76. Kd1 Kd3 {[%cal Rg2g1]} 77. Rd8+ Ke4 78. Re8+ Ne5 79. Ke1 Ra2 80. Re7 Kd4 81. Kf1 {Precision: White = 60%, Black = 63%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.24"]
[Round "13"]
[White "Villanueva, Mario"]
[Black "Krysa, Leandro"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2451"]
[BlackElo "2545"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,70,35,-6,-11,-13,-6,-12,8,11,-8,-14,-12,-19,26,22,29,-62,-71,-74,-84,-91,-97,-97,-73,-91,-79,-144,-137,-175,-132,-117,-123,-182,-136,-136,-126,-127,-122,-295,-254,-290,-153,-158,-55,-158,-158,-152,-157,-251,-245,-718,-521,-1230,-1183,-29981,-29982,-29983,-29984,-29991,-29992]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c4 Bg4 {C87: Closed Ruy Lopez: Steinitz-type lines after 6 Re1 d6} (7... O-O 8. Bxc6 bxc6 9. d4 Bg4 10. dxe5 Nd7 11. exd6 cxd6 12. h3 Be6 13. Nd4 Qc7 14. Qc2 Ne5 15. f4 {1-0 (29) Fernandez Romero,E (2460)-Bradford,J (2446) Dos Hermanas 2006}) 8. h3 Bxf3 9. Qxf3 O-O {The position is equal.} 10. Bxc6 bxc6 11. Na3 $146 ({Predecessor:} 11. Nc3 Nd7 12. b4 Re8 13. a3 Bg5 14. d3 Bxc1 15. Raxc1 {½-½ (26) Fechner,J (2075)-Klapp,H (2120) GER email 2009}) 11... a5 12. Nc2 a4 13. d4 Nd7 14. Nb4 ({White should try} 14. d5 $11) 14... exd4 $15 15. Nxc6 Ne5 $36 {[%mdl 2048] Black is on the roll.} 16. Nxe5 dxe5 17. Bd2 Qb8 18. Reb1 Bb4 19. Bc1 ({White should play} 19. Bxb4 Qxb4 20. Qd3) 19... Qb7 $17 20. Qd3 Qc6 21. f3 h6 22. b3 (22. Bd2 $17 {was necessary.} Rfb8 23. Rc1) 22... axb3 23. axb3 Rxa1 24. Rxa1 Rb8 25. f4 $2 (25. Kf2 $17) 25... Bc3 26. Rb1 {[#]} Re8 (26... f5 $1 $19 {[%mdl 512]} 27. exf5 e4) 27. f5 Ra8 (27... Rb8 $17 28. Kh2 Ra8) 28. Bb2 (28. b4 $1 $15) 28... Bxb2 29. Rxb2 {[%mdl 4096] Endgame KQR-KQR} Ra1+ 30. Kf2 (30. Rb1 $17 Ra3 31. Qe2) 30... Qf6 {White must now prevent ...Qh4+.} 31. Qg3 $2 {[#]} (31. g3) 31... d3 $1 $19 {[%mdl 512]} 32. b4 {If only White now had time for Rd2....} (32. Qxd3 Qh4+) 32... Qd8 {( -> ...d2)} 33. Rd2 Qd4+ {Black mates.} 34. Kf3 Rf1+ 35. Rf2 Re1 {Precision: White = 21%, Black = 60%.} 0-1

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.24"]
[Round "13"]
[White "Slipak, Sergio"]
[Black "Sosa, Tomas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2437"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]

{[%evp 11,32,17,22,-9,35,22,85,47,45,51,83,62,70,94,76,62,68,63,92,99,97,92,135]} 1. c4 e5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. e4 Be6 6. d3 {[%cal Bd2d3,Bd3d4][%mdl 32] A21: English Opening: 1...e5 2 Nc3} Qd7 {LiveBook: 12 Games} (6... h5 7. f4 Bg4 8. Qc2 Nc6 9. h3 Be6 10. Nf3 Nge7 11. Be3 Qd7 12. Nd5 O-O 13. Ng5 Bxd5 14. cxd5 {0-1 (65) Lobron,E (2528)-Leenhouts,K (2487) Amsterdam 2017}) 7. f4 c6 $146 ({Predecessor:} 7... Nc6 8. Nf3 Bh3 9. O-O Bxg2 10. Kxg2 Nge7 11. Be3 O-O 12. Qd2 f5 13. Nd5 exf4 14. gxf4 {1-0 (44) Frayna,J (2285)-Bermundo,L (1890) Manila 2016}) 8. Nf3 {White is slightly better.} Bh3 (8... Ne7 $11) 9. O-O {[#] Hoping for Bxh3.} Bxg2 10. Kxg2 Ne7 11. d4 exf4 12. Bxf4 O-O 13. Qd2 Na6 14. Bh6 Rae8 15. Bxg7 Kxg7 16. Rae1 h6 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.24"]
[Round "13"]
[White "Dolezal, Cristian"]
[Black "Flores, Diego"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2426"]
[BlackElo "2574"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,-8,0,0,0,0,-10,-13,-3,-20,-15,-24,-18,-18,-4,-18,-22,-22,-16,-51,-44,-35,-36,-38,-41,-43,-33,-55,-28,-39,-16,-18,-15,-15,-11,-25,-16,-23,-16,-20,-13,-12,-6,0,-4,-4,0,-8,0,-4,-7,-8,-10,-1,-12,-12,0,0,0,-3,0,-10,0,-9,14,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. cxd5 (4. g3 Be7 5. Bg2 O-O 6. O-O c5 7. e3 Nc6 8. Bb2 b6 9. cxd5 Nxd5 10. d4 Ba6 11. Re1 Ndb4 12. Bc3 Nd3 13. Re2 cxd4 14. Nxd4 Nxd4 15. exd4 Rc8 16. Re3 Nb4 17. Bxb4 Bxb4 18. a3 Bc5 19. Re4 f5 20. Re1 Bxd4 21. Ra2 e5 22. Nd2 Bxf2+ {0-1 (22) Caruana,F (2807)-Dominguez Perez,L (2739) Saint Louis 2017}) 4... exd5 5. Bb2 Bd6 6. g3 {A13: English Opening: 1...e6} O-O 7. Bg2 Re8 8. O-O Bg4 9. Nc3 c6 10. e3 $146 ({Predecessor:} 10. h3 Bh5 11. d3 h6 12. Re1 Bg6 13. Qc2 Nbd7 14. e4 Nc5 {0-1 (46) Dzera,E (2205)-Andriyashenko,V (1902) Konakovo 2010}) 10... Nbd7 11. Ne2 a5 12. Rb1 Bf5 13. d3 Nc5 14. Nc1 h6 15. Re1 Bh7 16. Nd4 Nfd7 17. Nc2 Be7 18. Qd2 Bf6 19. Bc3 Qb6 20. Bxf6 Nxf6 21. Rd1 Rad8 22. Nd4 {[%cal Bc2d4,Bd4e2,Be2c3][%mdl 32]} Nfd7 23. Rb2 Ne5 {White must now prevent ...Nexd3.} 24. Qc3 {The position is equal.} Na6 {[%cal Bc5a6,Ba6c7,Bc7b5][%mdl 32]} 25. Nde2 Nc7 26. d4 Nb5 27. Qd2 Nd7 28. Nc3 Nd6 29. Nd3 Ra8 30. Rc1 Qd8 31. Qd1 Bxd3 32. Qxd3 Nb6 33. Qd1 Qe7 34. Bf1 f5 35. Bd3 Ne4 36. Qc2 h5 37. Qd1 h4 38. Bxe4 fxe4 39. Qg4 hxg3 40. fxg3 Rf8 41. Rf1 Rxf1+ {Precision: White = 67%, Black = 49%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.24"]
[Round "13"]
[White "Acosta, Pablo Ismael"]
[Black "Pierrot, Facundo"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2409"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,79,-20,-13,-23,-14,-45,-33,-40,-34,-46,-38,-41,-45,-49,-16,-13,-8,-32,-19,-29,-17,-27,-29,-30,-16,-6,4,6,8,4,16,14,14,14,26,21,31,31,27,22,63,56,49,63,37,16,25,32,47,47,47,47,47,11,33,11,37,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 c6 6. cxd5 cxd5 7. Bg2 Ne4 8. O-O Nc6 9. Qb3 O-O 10. Bf4 {D79: Grünfeldindisch (Fianchetto 6.0-0 c6 7.cxd5 cxd5)} (10. Be3 Na5 11. Qb4 Nxc3 12. Qxc3 Bf5 13. Rfc1 Qb6 14. b3 Rfc8 15. Qd2 Nc6 16. Ne5 Nb4 17. g4 Be6 {½-½ (45) Mecking,H (2606)-Shirov,A (2683) Florianopolis 2017}) 10... Nxc3 11. bxc3 Na5 {LiveBook: 8 Partien} 12. Qb5 e6 13. Ne5 f6 14. Nd3 Bd7 15. Qb4 b6 $146 ({Vorgänger:} 15... Re8 16. Rfe1 Rc8 17. e4 Bf8 {0-1 (62) Lagashin,P (2093)-Ulko,J (2478) Moscow 2009}) 16. e4 dxe4 17. Bxe4 Bc6 18. Bxc6 Nxc6 19. Qb3 (19. Qb5 {seems wilder.} Rc8 20. Rfe1 Re8 21. Re2 Qd5 22. Qxd5 exd5 23. Rxe8+ Rxe8 24. Be3) 19... Qd7 20. Rfe1 Rfe8 21. Qb5 Rad8 {Weiss muss nun ...g5 beachten.} 22. a4 Na5 23. Nc5 bxc5 24. Qxa5 cxd4 25. cxd4 Qxd4 26. Be3 Qd5 27. Qxd5 Rxd5 28. Bxa7 Ra8 29. Bb6 f5 30. Ra2 Rd6 31. Rb1 $1 Rb8 32. a5 Bd4 $1 {[%cal Rd4b6]} 33. Kg2 {Td1 ist eine echte Drohung.} Bxb6 34. Rab2 {[%cal Rb2b6]} Bc7 {[#] Und ...Txb2 würde nun gewinnen.} 35. Rxb8+ Bxb8 36. Rxb8+ Kf7 37. Ra8 {Und weiter mit a6 wäre nett.} (37. Rb6 $5 {[%cal Rb6d6]} Ke7 38. Rb7+ Kf6 39. Ra7 $14) 37... e5 38. a6 {[%cal Ba5a6,Ba6a7][%mdl 32] [#] Droht stark a7.} Kg7 $1 39. a7 Ra6 40. Re8 {Precision: Weiß = 50%, Schwarz = 69%.} 1/2-1/2

[Event "92nd ARG-ch Final 2017"]
[Site "Buenos Aires"]
[Date "2017.10.24"]
[Round "13"]
[White "Cuberli, Emiliano"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2248"]
[BlackElo "2594"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2017.10.12"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,88,-11,-13,-4,5,8,8,8,8,8,8,11,11,0,8,0,0,0,0,-27,-30,-45,-45,-58,-12,-65,-33,-57,-64,-60,-42,-83,-93,-104,-89,-84,-90,-76,-77,-75,0,0,0,0,0,0,0,0,178,166,226,232,216,185,181,199,238,233,235,232,251,251,275,242,255,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. c3 Bd6 5. Bxd6 (5. e3 Bxf4 6. exf4 O-O 7. Nbd2 c5 8. dxc5 Qc7 9. g3 Nbd7 10. Nb3 a5 11. a4 e5 12. fxe5 Nxe5 13. Nxe5 Qxe5+ {½-½ (40) Hasangatin,R (2509)-Popov,I (2618) Sochi 2017}) 5... Qxd6 6. Nbd2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} O-O 7. e3 c5 {LiveBook: 8 Games} 8. Ne5 Nc6 9. f4 Ne7 $146 ({Predecessor:} 9... b6 10. Bd3 a5 11. Qe2 Nb8 12. O-O Ba6 13. Bxa6 Nxa6 14. Rf3 {1-0 (35) Salomon,J (2441)-Rodsmoen,M (1914) Oslo 2016}) 10. Bd3 b5 11. O-O b4 12. Rf3 bxc3 13. bxc3 cxd4 14. cxd4 Ba6 15. Bxa6 Qxa6 16. Nb3 Ne4 17. Rh3 Qa3 18. Nd7 Rfd8 19. Ne5 (19. Nbc5 $11) 19... Ng6 (19... Qb2 $2 20. Qh5 $18) 20. Qh5 Nf6 21. Qe2 Rdc8 22. Rf1 Rc3 23. Nc5 Rb8 24. Ned7 Nxd7 25. Nxd7 Rb2 26. Qh5 {[%csl Gh3][%cal Rh5h7] [#]} h6 (26... Nf8 $1 $17 27. Nxf8 Kxf8 28. Qxh7 Qxa2) 27. f5 $11 exf5 28. Qxf5 Qe7 $1 {Threatens to win with ...Rcc2.} 29. Qxd5 $40 {[%mdl 128] White mounts an attack.} Rxe3 30. Ne5 $1 (30. Rxe3 Qxe3+ 31. Kh1 Rf2 $17) 30... Rxe5 $2 (30... Rxh3 $11 {and Black stays safe.} 31. Rxf7 Kh7 32. Rxe7 Rb1+ 33. Kf2 Rb2+ 34. Kg1 Rb1+ 35. Kf2 Rb2+ 36. Kg1) 31. dxe5 $18 Rb6 (31... Qc7 {was necessary.} 32. Rhf3 Nxe5) 32. Rc3 Re6 33. Rd1 Kh7 34. Qd7 Qg5 35. Qxf7 Nf4 {[%csl Gf4][%cal Rg5g2] [#]} 36. Rc2 $1 Qxe5 {aiming for ...Qe3+.} 37. Rf2 (37. Qxa7 Qe4 $11) 37... Rf6 38. Qd7 ({And not} 38. Qxa7 Nh3+ 39. gxh3 Rg6+ 40. Kf1 Qb5+ 41. Re2 Rf6+ 42. Qf2 (42. Ke1 Qb4+ 43. Rdd2 Qb1+ 44. Rd1 Qb4+ 45. Rdd2 Qb1+ 46. Rd1 Qb4+ $11) 42... Rxf2+ 43. Kxf2 Qc5+ 44. Kg2 Qc6+ 45. Kg3 Qg6+ 46. Kf2 Qb6+ 47. Kf1 Qc6 $11) 38... Qe4 39. Qc7 $2 (39. Qxa7 $2 Nh3+ 40. gxh3 Rg6+ 41. Kf1 Qh1+ 42. Ke2 Re6+ 43. Kd2 Rd6+ 44. Kc2 Rxd1 $19) (39. Qd2 $18) 39... Nh3+ {The position is equal.} 40. gxh3 Rg6+ 41. Qg3 ({Reject} 41. Kf1 Qh1+ 42. Ke2 Re6+ 43. Kd2 Qd5+ 44. Kc1 Rc6+ 45. Rc2 Qg5+ 46. Rdd2 Rxc7 $15) 41... Qe3 42. Kg2 Qe4+ 43. Kg1 Qe3 44. Kg2 Qe4+ {Precision: White = 55%, Black = 61%.} 1/2-1/2

