[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.17"]
[Round "1"]
[White "Peralta, Fernando"]
[Black "Slipak, Sergio"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2563"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,128,30,27,27,29,33,37,30,27,14,21,23,16,28,14,11,16,7,0,0,-5,4,11,16,0,28,5,26,0,60,47,56,43,43,25,44,57,55,54,48,29,29,31,27,26,33,31,22,29,30,16,16,18,18,18,21,14,26,35,20,0,20,0,35,8,8,8,8,8,83,0,41,8,8,8,24,22,31,50,77,83,180,177,454,417,279,8,8,8,68,8,104,8,8,8,8,8,8,0,8,0,27,0,0,0,0,0,0,0,0,0,0,0,0,0,73]} 1. d4 e6 2. c4 Bb4+ 3. Bd2 Bxd2+ 4. Qxd2 Nf6 5. Nc3 (5. g3 O-O 6. Bg2 d5 7. Nf3 Nbd7 8. O-O c6 9. Ne5 Nxe5 10. dxe5 Nd7 11. f4 Qe7 12. cxd5 exd5 13. Nc3 f6 14. e6 Qxe6 15. e4 dxe4 16. Nxe4 {½-½ (28) Goganov,A (2571)-Popov,I (2609) Antalya 2017}) 5... d5 6. e3 {A40: Verschiedene (seltene) Antworten auf 1.d4} O-O 7. cxd5 exd5 8. Bd3 {LiveBook: 13 Partien. Weiß hat minimalen Vorteil.} b6 9. Nge2 c5 10. O-O Bb7 11. Nf4 $146 ({Vorgänger:} 11. Rad1 Nbd7 12. Nf4 Qe7 {0-1 (50) Hua,L (2333)-Grabinsky,A (2372) Saint Louis 2017}) 11... cxd4 12. exd4 Nc6 13. f3 Qd6 14. Bb5 Na5 15. b3 Rac8 {Droht stark ...Txc3!} 16. Nce2 Rc7 17. Rac1 Rfc8 18. Rxc7 Rxc7 19. g4 Bc6 20. Bd3 g6 21. Rc1 Bb7 ({Besser ist} 21... Ne8 $11) 22. Rxc7 $14 Qxc7 23. Qe3 Kf8 24. Kf2 Nc6 25. Bb5 Qd6 26. Bxc6 Bxc6 27. Qe5 Qxe5 28. dxe5 $11 {[%mdl 4096] Endspiel KLS-KSS} Nd7 29. e6 fxe6 30. Nxe6+ Ke7 31. N6d4 Ne5 32. Ke3 Kd6 33. h3 g5 34. f4 gxf4+ 35. Kxf4 Nd3+ 36. Ke3 Ne5 37. Kf4 {Droht Sf5+ und aus.} Nd3+ 38. Ke3 (38. Kg3 {is more complex.} Be8 39. h4 Kc5 40. Ne6+ Kd6 41. Ng5) 38... Ne5 39. Nxc6 (39. Nf5+ {seems wilder.} Ke6 40. Nf4+ Kf6 41. Nd4 Bb7 42. Kf2) 39... Kxc6 $14 {KS-KS} 40. Nd4+ Kc5 41. Ne6+ Kd6 (41... Kb4 $1 $11) 42. Nd4 Kc5 43. a3 a5 44. Ne6+ Kd6 45. Ng5 h6 46. Nf3 {Schwarz muss nun Sxe5 beachten.} Nd7 47. Kf4 Kc5 (47... Ke6 $16) 48. h4 $1 $18 a4 $2 (48... d4 {ist eine bessere Verteidigung.} 49. Ke4 Nf6+ 50. Kf5 Ng8) 49. bxa4 Kc4 {[#]} 50. g5 $2 (50. Kf5 $1 $18) 50... hxg5+ $11 51. Kxg5 {Und Kg6 würde nun gewinnen.} d4 $1 52. h5 ({Günstiger ist} 52. Kf5 $1 $14 Kd3 53. h5) 52... Nf8 {[#]} (52... d3 $1 $11 {hält das Gleichgewicht.}) 53. h6 (53. Kf4 $1 $16) 53... d3 $1 54. Kf6 {Kf7 ist eine echte Drohung.} Kb3 ({Vergiftet wäre} 54... Kc3 $2 55. Kg7 $18) 55. Kg7 Ne6+ 56. Kf6 Nf8 57. Kg7 Ne6+ 58. Kf7 Ng5+ $1 {Die Stellung ist ausgeglichen.} 59. Nxg5 {KS-KBB} d2 60. h7 d1=Q 61. h8=Q Qd7+ $1 62. Kg6 Qd3+ 63. Kh5 Qd1+ 64. Kh4 Kxa3 {Precision: Weiß = 46%, Schwarz = 52%.} (64... Qe1+ $11 65. Kg4 Qg1+ 66. Kf5 Qc5+ 67. Ke6 Qxg5) 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.17"]
[Round "1"]
[White "Villanueva, Mario Nicolas"]
[Black "Pichot, Alan"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2481"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 32,99,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-36,345,347,348,356,346,340,346,318,327,279,387,387,402,396,397,0,0,0,387,387,369,369,382,309,289,311,305,292,333,298,427,399,460,447,505,487,671,670,701,688,758,746,731,728]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Qf3 Bg4 16. Qg2 Qh5 17. Be3 {LiveBook: 13 Games. C89: Closed Ruy Lopez: Marshall Attack} a5 {[%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 18. Nd2 a4 $1 {[%cal Ra4b3]} 19. Bxd5 {The position is equal.} cxd5 20. Bf4 Bh3 21. Qf3 Qxf3 $1 22. Nxf3 Bxf4 23. gxf4 a3 24. b4 $146 ({Predecessor:} 24. b3 Ra6 25. Ne5 Rc8 26. Re3 {½-½ (26) Vasilev,V (2485)-Busemann,S (2595) ICCF email 2016}) 24... Ra6 {And now ...Rg6+ would win.} 25. Ne5 Rc8 26. Re3 $36 {[%mdl 2048] White has some pressure.} Bf5 27. Rc1 Rh6 28. f3 Rh4 $2 {[%mdl 8192] [#]} (28... f6 $15 {stays ahead.} 29. Nd3 Bxd3 30. Rxd3 Re8) 29. Nc6 $1 $18 {[%cal Rc6e7][%mdl 512]} Rxf4 {intending ...Kf8.} (29... Rxc6 30. Re8#) 30. Ne7+ Kf8 31. Nxc8 Bxc8 {[%mdl 4096] Endgame KRR-KRB} 32. Rce1 {[%csl Ge1][%cal Re3e8]} Be6 33. Rb1 Rf6 34. Rb3 Rg6+ 35. Kf2 Rh6 36. Kg3 $2 (36. Kg2 $18) 36... Rg6+ $11 37. Kf2 $2 {[%mdl 8192]} (37. Kf4 $11 Rf6+ 38. Kg3) 37... Rh6 $18 38. Kg2 Rg6+ 39. Kf1 Rh6 40. Re2 Bh3+ 41. Ke1 Ra6 42. Re3 g5 {[#]} 43. f4 $1 {[%cal Bf3f4,Bf4g5][%mdl 32]} Bf5 (43... g4 $142 44. Kf2 f6) (43... gxf4 44. Rxh3) 44. fxg5 Bc2 45. c4 $1 {[%cal Bc3c4,Bc4b5][%mdl 32] White is clearly winning.} Bxb3 46. cxb5 Ra4 47. Rxb3 Ke7 48. Kd2 Kd7 49. Kc2 Kd6 50. Rb1 {Precision: White = 87%, Black = 56%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.17"]
[Round "1"]
[White "Sosa, Tomas"]
[Black "Paveto, Kevin"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2467"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,88,0,10,0,11,-9,15,5,10,0,0,0,0,0,0,-11,0,-22,0,0,0,0,137,61,168,0,0,0,122,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. dxc3 Qxd1+ 7. Kxd1 Nd7 8. Bf4 c6 9. Kc2 f6 {A16: English Opening: 1...Nf6 with ...d5} 10. Nd2 e5 11. Be3 Bc5 12. Bxc5 (12. Nc4 Bxe3 13. Nxe3 Nc5 14. f3 a5 15. Be2 Ke7 16. Rhd1 b5 17. b3 {½-½ (46) Alekseev,E (2616)-Navara,D (2740) Katowice 2017}) 12... Nxc5 13. b4 Ne6 {LiveBook: 6 Games} 14. Nc4 Ke7 15. Na5 Rd8 16. h4 $146 ({Predecessor:} 16. Bc4) 16... h5 17. Bc4 Rb8 18. Rhd1 Rxd1 19. Rxd1 Nc7 20. Rd3 f5 21. f3 fxe4 22. fxe4 Bg4 23. Bb3 Kf6 {[#]} (23... Nb5 $11) 24. Nc4 (24. Rd2 $1 $16) 24... Be2 (24... Ne8 $1 $14) 25. Rg3 $2 ({Better is} 25. Rd6+ $18 Ne6 26. Nxe5 Kxe5 27. Rxe6+ Kf4 28. Rxg6) 25... Bxc4 26. Bxc4 $11 {[%mdl 4096] Endgame Threatens to win with Rf3+. KRB-KRN} Ne8 (26... Rf8 $1 $11 {keeps the balance.}) 27. Kd3 ({White must play} 27. Rf3+ $16 Kg7 28. Rf7+ Kh6 29. Rf8) 27... Nd6 {The position is equal.} 28. Bb3 Rd8 {[#] White must now prevent ...Nf5+.} 29. Ke3 Rd7 30. Rf3+ Kg7 31. Rf2 Nb5 32. Rd2 Rxd2 33. Kxd2 {KB-KN} Kf6 34. Kd3 Nd6 35. c4 Ke7 36. a4 b6 37. c5 bxc5 38. bxc5 Ne8 39. a5 Nc7 40. Ba4 Kd7 41. Bb3 Ke7 42. Ba4 Na6 43. Kc4 Kd7 44. Bb3 Nc7 {Precision: White = 43%, Black = 58%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.17"]
[Round "1"]
[White "Acosta, Pablo Ismael"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2432"]
[BlackElo "2547"]
[Annotator "ChessBase"]
[PlyCount "54"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Be2 O-O 5. O-O d6 6. b3 c5 7. Bb2 cxd4 8. Nxd4 d5 9. c4 dxc4 10. Bxc4 Bd7 11. Nd2 Nc6 12. Nxc6 Bxc6 13. b4 b5 14. Be2 Qd6 15. Nb3 Qxb4 16. Rc1 Rfd8 17. Qe1 Qxe1 18. Rfxe1 Be8 19. Bf3 Rac8 20. Bd4 a6 21. Bb6 Rxc1 22. Rxc1 Rd6 23. Bc5 Rd7 24. Bd4 Rd8 25. Bb6 Rd6 26. Bc5 Rd7 27. Bd4 Rd8 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.17"]
[Round "1"]
[White "Pierrot, Facundo"]
[Black "Lorenzini, Martin"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2389"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,64,28,29,34,17,33,28,35,31,37,27,52,50,47,54,59,56,51,41,36,33,50,50,49,41,42,35,33,39,41,9,16,14,18,18,20,0,18,0,0,0,6,0,4]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 exd4 {C41: Philidor Defence} (8... b6 9. h3 a6 10. Ba2 Rb8 11. Be3 b5 12. axb5 axb5 13. b4 Bb7 14. Bb3 exd4 15. Nxd4 d5 16. exd5 Bxb4 17. Bd2 cxd5 18. Ncxb5 Bxd2 19. Qxd2 {½-½ (30) Kryvoruchko,Y (2705)-Laznicka,V (2671) Brest 2018}) 9. Nxd4 Ne5 10. Ba2 Re8 11. h3 Bd7 12. Be3 {LiveBook: 9 Games} Bf8 13. Nf3 $146 ({Predecessor:} 13. Qd2 Ng6 14. f3 h6 15. Qf2 Nh5 16. Nde2 {1-0 (65) Solozhenkin,E (2443)-Galdunts,S (2430) Hersonissos 2017}) 13... h6 14. Nxe5 dxe5 15. Qf3 Bb4 16. Red1 Qe7 17. Ne2 Red8 18. Ng3 Bc5 19. Bxc5 Qxc5 20. Nh5 Qe7 21. Nxf6+ Qxf6 22. Qxf6 gxf6 23. Rd3 Be8 24. Rad1 Rxd3 25. Rxd3 $14 {[%mdl 4096] Endgame KRB-KRB} Kf8 26. f3 a5 {The position is equal.} 27. Kf2 b5 28. axb5 cxb5 29. c3 Ke7 30. Ke3 Rc8 31. Bd5 Rc7 32. g4 Bd7 {Precision: White = 58%, Black = 75%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.17"]
[Round "1"]
[White "Benedetti, Julio"]
[Black "Lujan, Carolina"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2364"]
[BlackElo "2329"]
[Annotator "NA"]
[PlyCount "83"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be6 8. Nc4 Rb8 9. Ne3 Nf6 10. g3 h5 11. Bg2 h4 12. O-O g6 13. Ncd5 Bg7 14. c3 Ne7 15. Qa4+ Bd7 16. Nxf6+ Bxf6 17. Qa3 Be6 18. Rd1 hxg3 19. hxg3 Nc8 20. c4 Qc7 21. Bd2 O-O 22. Rac1 Bd8 23. c5 dxc5 24. Rxc5 Qe7 25. Bb4 a5 26. Rxa5 Qf6 27. Rxe5 Qxe5 28. Bxf8 Bf6 29. Rd2 Qh5 30. Bc5 b6 31. Bb4 Qg5 32. Nd5 Bg7 33. f4 Qh5 34. e5 b5 35. Ne3 Kh7 36. Kf2 Bh6 37. Rd1 Bc4 38. Re1 g5 39. Be4+ Kh8 40. Nxc4 gxf4 41. Rh1 Qg5 42. Bd2 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.17"]
[Round "1"]
[White "Gomez, Carlos David"]
[Black "Real de Azua, Ernesto"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2356"]
[BlackElo "2496"]
[Annotator "ChessBase"]
[PlyCount "72"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 e6 7. Bc4 Bd6 8. O-O Nd7 9. c3 Qc7 10. Qf3 Ngf6 11. Nf4 O-O-O 12. a4 Nb6 13. Bb3 Nbd5 14. Nxg6 hxg6 15. h3 Nf4 16. Bxf4 Bxf4 17. Ne4 g5 18. Rfe1 Rh6 19. Bc4 Rdh8 20. Bf1 g4 21. Qd1 gxh3 22. g3 Rg6 23. Qf3 Nxe4 24. Rxe4 Bxg3 25. Kh1 Bd6 26. b4 f5 27. Ree1 Qe7 28. Ba6 bxa6 29. Qxc6+ Kb8 30. d5 h2 31. f4 Qc7 32. Qxc7+ Kxc7 33. dxe6 Re8 34. e7 Rxe7 35. Rxe7+ Bxe7 36. b5 Rg1+ 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.18"]
[Round "2"]
[White "Pichot, Alan"]
[Black "Acosta, Pablo Ismael"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2564"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,119,25,49,12,62,36,48,41,53,35,74,77,91,82,103,15,45,31,45,15,43,0,0,-17,22,0,0,0,0,0,41,36,54,37,49,54,59,0,0,0,0,7,9,5,38,26,64,67,166,166,166,166,156,138,188,195,163,20,32,34,64,22,64,8,8,8,8,8,8,8,8,0,0,0,0,0,8,0,0,-8,8,8,47,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 a6 3. c4 e6 4. d4 cxd4 5. Nxd4 Qc7 6. Nc3 b6 7. Be2 Bb7 8. O-O Nf6 {A34: Englische Eröffnung (Symmetrische Variante)} 9. Qd3 Nc6 10. Nxc6 Bxc6 {LiveBook: 10 Partien. Weiß hat minimalen Vorteil.} 11. f4 Bc5+ $146 ({Vorgänger:} 11... Qd6 12. Be3 Qxd3 13. Bxd3 Rb8 14. e5 Ng4 15. Bd4 f5 16. exf6 Nxf6 {½-½ (41) Nabaty,T (2610)-Markus,R (2662) Ortisei 2016}) 12. Kh1 h5 13. Be3 d6 14. Rad1 O-O-O 15. a3 Ng4 16. Bg1 g5 17. Qg3 (17. fxg5 $16 {Mit der Idee Lxg4.} Ne5 18. Qd2) 17... gxf4 18. Qxf4 Bxg1 19. Kxg1 Ne5 20. b4 Kb8 21. Qe3 Rhg8 22. c5 dxc5 23. bxc5 {Schwarz muss nun Tb1 beachten.} Rxd1 24. Rxd1 bxc5 25. Rb1+ Ka8 26. Qxc5 {zielt auf Tb6 ab.} Nd7 27. Qc4 $40 {[%mdl 128] Weiss hat was vor.} Qa7+ 28. Kh1 ({Günstiger ist} 28. Kf1 $14 Ne5 29. Qxa6) 28... Ne5 $11 29. Qxa6 Qxa6 30. Bxa6 h4 31. Bf1 Rd8 32. Rb2 Rd4 33. Kg1 Bxe4 (33... Ng4 $14) 34. Nxe4 $18 Rxe4 35. Re2 Rxe2 36. Bxe2 {[%mdl 4096] Endspiel KL-KS} Kb7 37. Kf2 Kb6 {[#]} 38. Ke3 (38. g3 $1 $18) 38... f6 39. Kf4 Ka5 $1 40. Bg4 Ng6+ 41. Ke3 ({Besser ist} 41. Ke4 $1 $14) 41... e5 $1 $11 {[%cal Be6e5,Be5e4][%mdl 32]} 42. Bd1 Ne7 43. Bc2 Kb5 44. Kf3 f5 45. g3 e4+ 46. Kf2 hxg3+ 47. Kxg3 Ng6 48. Bd1 Kc4 {[#] Und ...Kd3 würde nun gewinnen.} 49. a4 Kb4 50. Bh5 Ne7 51. Be8 Nd5 {Die Stellung ist ausgeglichen.} 52. Bc6 f4+ 53. Kg4 f3 54. Kg3 Nf6 55. h4 Kc5 56. Bb5 Kb6 57. Kf4 Kc5 58. Ke3 Kb4 59. Kd4 Ka5 60. Ke3 {Precision: Weiß = 44%, Schwarz = 57%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.18"]
[Round "2"]
[White "Real de Azua, Ernesto"]
[Black "Pierrot, Facundo"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2496"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,41,17,40,32,37,47,43,0,94,106,113,70,49,67,249,256,318,323,295,261]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c5 5. Nc3 cxd4 6. exd4 Bb4 7. cxd5 Nxd5 8. Bd2 Nc6 9. Bd3 Nf6 10. O-O O-O 11. Bg5 Be7 12. a3 h6 {LiveBook: 18 Partien} 13. Bf4 {D42: Damengambit (Verbesserte Tarrasch-Verteidigung)} Bd6 14. Be5 b6 {[#]} 15. Nb5 $146 {Weiß steht etwas besser.} ({Vorgänger:} 15. Re1 Bb7 16. Qe2 Rc8 17. Rad1 Na5 18. Bb1 Re8 19. Bxf6 Qxf6 20. d5 Bf8 {1-0 (38) Guseinov,G (2613)-Mammadov,Z (2442) Baku 2012}) 15... Bxe5 (15... Be7 $11 {bleibt in der Remisbreite.}) 16. dxe5 $16 Nd5 17. Rc1 Qd7 18. Qa4 $36 {[%mdl 2048] Weiss hat Initiative.} Bb7 $2 {[#]} ({Lieber} 18... Nce7 $14) 19. Nd6 $1 $18 Nde7 20. Be4 Rac8 21. Rfd1 ({Finger weg von} 21. Nxc8 Rxc8 22. Rfd1 Nd5 $18) 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.18"]
[Round "2"]
[White "Sosa, Tomas"]
[Black "Benedetti, Julio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2467"]
[BlackElo "2364"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,41,100,37,43,-57,-61,-52,-58,-72,114,0,0,0,0,-104,-45,-52,-46,-46,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O Bd7 10. Kb1 Rc8 11. h4 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} (11. g4 Ne5 12. Be2 b5 13. h4 b4 14. Nd5 Nxd5 15. exd5 Rc5 16. Nb3 Nc4 17. Bxc4 Rxc4 18. Bh6 Bxh6 19. Qxh6 e5 {1-0 (79) Aveskulov,V (2544)-Le,Q (2583) Beijing 2008}) 11... Ne5 {[#]} 12. h5 {LiveBook: 3 Games} (12. g4 $1 $16) 12... Nxh5 $14 13. Bh6 (13. Qe1 $14) 13... Bxh6 $1 $15 14. Qxh6 {[#]} Rxc3 $1 {[%mdl 512]} 15. bxc3 Qa5 $2 {[#]} (15... Qb6+ $17 {keeps the pressure on.} 16. Ka1 Qa5) 16. g4 $146 (16. Rxh5 $1 $16 gxh5 17. Qg5+ Kh8 18. Qxe7) ({Predecessor:} 16. Rxh5 Qb6+ 17. Nb3 gxh5 18. Qg5+ Ng6 {1-0 (37) Arakhamia Grant,K (2410)-Berry,N (2257) Edinburgh 2002}) 16... Nf6 $11 17. g5 $36 {[%mdl 2048] White has the initiative.} Nh5 18. Be2 (18. Rxh5 $1 $11 {remains equal.} gxh5 19. Qxh5 Qxc3 20. Be2) 18... Qxc3 (18... Rc8 $17 19. Rxh5 (19. f4 Nc4 $15) 19... gxh5) 19. Rxh5 $1 $15 gxh5 20. Qxh5 Rc8 21. Rh1 $1 {Precision: White = 37%, Black = 32%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.18"]
[Round "2"]
[White "Lorenzini, Martin"]
[Black "Peralta, Fernando"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2423"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,59,14,12,18,11,0,18,10,4,-4,-4,5,-7,-4,-1,-3,-10,-10,-1,-20,-22,-22,-15,-19,-8,-9,-7,-10,-1,-2,-2,-4,-6,-6,-13,-10,-13,-16,0,0,0,0,0,-19]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nf6 6. Be2 e6 {B11: Caro-Kann: Two Knights Variation} 7. O-O Bc5 (7... Qb6 8. d3 Nbd7 9. Qf4 d4 10. Nb1 Qc5 11. Bd1 Bd6 12. Qg5 Qxg5 13. Bxg5 h6 14. Bc1 {1-0 (72) Fedoseev,V (2718)-Kasimdzhanov,R (2683) Riadh 2017}) 8. d3 Nbd7 9. Qg3 O-O {LiveBook: 6 Games. The position is equal.} 10. Bf4 Ne8 11. Bf3 $146 ({Predecessor:} 11. Rad1 Bd4 12. Bf3 Qf6 13. Ne2 Be5 14. d4 Bxf4 15. Nxf4 dxe4 16. Bxe4 {½-½ (27) Ziaziulkina,N (2363)-Muzychuk,M (2540) Stary Smokovec 2018}) 11... Bb6 12. Rad1 {[%cal Re4d5]} Bc7 13. Bxc7 Qxc7 14. Qxc7 Nxc7 15. d4 f5 16. exf5 exf5 17. Rfe1 Rae8 (17... Rfe8 {with more complications.} 18. Ne2 a5 19. a4 Kf7 20. g3 g6) 18. Rxe8 Rxe8 19. Kf1 Kf7 20. Ne2 Nb5 21. Nf4 Nd6 22. Be2 a5 23. a4 g6 24. h4 h6 {[%cal Bh7h6,Bh6g5][%mdl 32]} 25. Bd3 g5 26. hxg5 $1 hxg5 27. Ne2 f4 28. f3 Rh8 29. Kf2 Kf6 30. g3 {Precision: White = 67%, Black = 59%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.18"]
[Round "2"]
[White "Paveto, Kevin"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2416"]
[BlackElo "2547"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,53,0,10,22,2,0,4,-49,-50,-72,-35,-39,-26,-26,-26,-46,-48,-52,-62,-44,-29,-42,0,0,0,0,12,10,0,-21,0,0,16,13,13,13,13,11,16,0,12,0]} 1. e4 c6 2. d4 d5 3. e5 c5 4. c4 cxd4 5. Ne2 Nc6 6. Nxd4 {B12: Caro-Kann: Advance Variation} e6 7. Nc3 Bb4 {LiveBook: 36 Games} 8. cxd5 Qxd5 9. Nxc6 bxc6 10. Bd2 $146 (10. Qxd5 $11 exd5 11. Be3) ({Predecessor:} 10. Qe2 Ne7 11. Bd2 Bxc3 12. Bxc3 a5 13. Rd1 Qxa2 {½-½ (79) Adams,M (2744)-Jobava,B (2668) Reykjavik 2015}) 10... Qxe5+ $15 11. Be2 Ne7 (11... Ba6 $5) 12. Qa4 Qd4 {[#] aiming for ...Bxc3.} 13. Qc2 O-O 14. a3 Ba5 15. Rd1 Nf5 16. O-O Qh4 17. Qa4 Bxc3 (17... Qxa4 {looks sharper.} 18. Nxa4 Nd4 19. Bd3 Bxd2 20. Rxd2 Rd8) 18. Qxh4 {The position is equal.} Nxh4 19. Bxc3 c5 20. g3 Nf5 21. Bg4 Ba6 22. Rfe1 Rad8 23. Rxd8 Rxd8 24. Bxf5 exf5 25. Ba5 Ra8 26. Rd1 h6 27. Rd8+ {Precision: White = 55%, Black = 48%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.18"]
[Round "2"]
[White "Slipak, Sergio"]
[Black "Villanueva, Mario Nicolas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2411"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,25,6,10,14,21,17,10,18,16]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 b6 {E05: Open Catalan: 5 Nf3 Be7} (7... c6 8. Qxc4 b5 9. Qc2 Bb7 10. Nc3 Nbd7 11. Rd1 Qb6 12. Ne5 Rfd8 13. Be3 Nd5 14. Nxd5 cxd5 15. Rac1 Rac8 16. Qd3 b4 17. Rxc8 Bxc8 {½-½ (41) So,W (2799)-Mamedyarov,S (2809) Berlin 2018}) 8. Qxc4 Bb7 9. Nc3 c5 10. Rd1 {LiveBook: 11 Games. The position is equal.} cxd4 11. Nxd4 Bxg2 12. Kxg2 Qc8 13. Qxc8 {Predecessor:} Rxc8 $146 14. e4 Bb4 15. Nde2 Nc6 16. Bf4 {½-½ (28) Gallana,M (2131)-Basso,P (2051) Venice 2011} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.18"]
[Round "2"]
[White "Lujan, Carolina"]
[Black "Gomez, Carlos David"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2329"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,80,0,0,0,0,21,0,18,-9,-16,-16,157,6,1,-13,-10,-18,-29,-15,15,31,35,-65,132,129,308,304,323,308,292,224,226,201,221,16,21,10,13,0,0,0,0,0,0,0,0,0,0,0,0,-980,-985,-12841,-1784]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nf6 9. Bg5 Be7 10. Bxf6 Bxf6 11. c3 O-O 12. Nc2 Rb8 13. Be2 Bg5 14. Qd3 Ne7 {B33: Sicilian: Pelikan and Sveshnikov Variations} 15. Ncb4 {LiveBook: 3 Games} Nxd5 16. Nxd5 {[#]} g6 $146 {The position is equal.} ({Predecessor:} 16... Be6 17. O-O a5 18. Rad1 f5 19. Bf3 Qc8 20. b3 f4 21. h3 Qd7 22. Rd2 {½-½ (73) Vayser,V (2580)-Nekhaev,A (2528) ICCF email 2009}) 17. Rd1 Kh8 18. h4 Bxh4 19. Nb4 f5 $2 (19... Qf6 $11 20. g3 Bg5) 20. g3 $2 (20. Qxd6 $16 Qxd6 21. Rxd6) 20... Bg5 $1 $11 21. Nc6 fxe4 22. Qxd6 Qxd6 23. Rxd6 Rb6 {[#] Threatens to win with ...Kg7.} 24. Rxg6 $1 Bf6 25. Nxe5 (25. Ne7 $14) 25... Re6 $2 (25... Rd6 $1 $15 {stays ahead.} 26. Rhh6 Bf5 27. Rxf6 Rdxf6 28. Rxf6 Rxf6) 26. Rhh6 $16 e3 $2 (26... a5 $16 27. a3 b4) 27. f4 $18 (27. fxe3 Bxe5 28. Rxe6 Bxe6 $16) 27... Rd6 28. Bd3 {[#] Black must now prevent Rxh7+!} Bxe5 29. Rxd6 Bxd6 30. Rxd6 {[%mdl 4096] Endgame KRB-KRB} Rg8 31. Rc6 $2 (31. Be4 $18) 31... Bh3 $1 $11 32. Rxa6 {And now Bf1 would win.} Rxg3 33. Ra8+ Kg7 34. Ra7+ Kf6 35. Ra6+ ({Not} 35. Bxh7 $2 Bg4 $19) 35... Ke7 36. Ra7+ ({Don't blunder} 36. Bxh7 $2 Bg4 $19) 36... Kd6 37. Ra6+ (37. Bxh7 $2 Bg4 $19) 37... Kd5 38. Rh6 ({Wrong is} 38. Bxh7 $2 Bg4 $19) 38... Bg4 {( -> ...Rg1+)} 39. Rh1 $2 {[%mdl 8192]} (39. Kf1 $11) 39... Rg2 $19 40. b3 Rd2 {Precision: White = 28%, Black = 35%.} (40... Rxa2 $142 41. Kf1 Bf3) 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.19"]
[Round "3"]
[White "Peralta, Fernando"]
[Black "Real De Azua, Ernesto"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2563"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,55,29,43,43,35,33,34,37,39,41,44,42,63,52,73,74,78,72,177,182,135,114,137,125,191,170,172,162,166,166,211,174,213,210,210,205,205,220,220,202,210,212,210,206,315,339,3142,2693]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d6 5. e3 c5 {LiveBook: 4 Games} 6. Bd3 {E11: Bogo-Indian} Nc6 7. O-O Ba5 $146 ({Predecessor:} 7... O-O 8. Nb3 Na5 9. Nxc5 dxc5 10. a3 Nc6 11. axb4 Nxb4 12. Bb1 Nd7 {1-0 (41) Wang,Y (2737)-Winants,L (2558) Baku 2016}) 8. a3 {White is slightly better.} O-O 9. Qc2 h6 10. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Bxd2 11. Bxd2 ({But not} 11. Nxd2 $6 cxd4 12. Nf3 dxe3 $15) 11... e5 {[%cal Re5d4]} 12. d5 Ne7 13. Bc3 Qe8 {[#]} (13... Nd7 $16 {might work better.}) 14. Nd2 $1 $18 Ng6 15. b4 b6 16. Rae1 Nh7 (16... cxb4 $16 17. Bxb4 (17. axb4 b5 $16) 17... Qe7) 17. f4 f5 18. fxe5 Nxe5 19. Bxf5 Nf6 20. e4 Qe7 21. bxc5 bxc5 22. Bxe5 Qxe5 23. Nf3 {[%cal Bd2f3,Bf3e5,Be5g4][%mdl 32]} Qe7 24. Bxc8 Raxc8 25. e5 dxe5 26. Nxe5 Qd6 (26... Rce8 $142 27. Qg6 Nd7) 27. Qg6 Rc7 $2 {[#]} (27... h5 28. Re3 Rc7) 28. Ng4 {Precision: White = 88%, Black = 31%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.19"]
[Round "3"]
[White "Perez Ponsa, Federico"]
[Black "Pichot, Alan"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2547"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,67,25,25,27,15,18,11,29,16,18,24,31,31,41,32,58,20,20,18,21,13,25,2,3,0,0,0,0,0,0,0,0,0,200,194,385,387,781,752]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 {B33: Sicilian: Pelikan and Sveshnikov Variations} 12. Nc2 O-O 13. g3 Bg5 (13... Rb8 14. b3 Be6 15. h4 Rb7 16. Rc1 a5 17. Bh3 Bxd5 18. cxd5 Na7 19. Bf1 {1-0 (78) Morozevich,A (2665)-Dubov,D (2701) Moscow 2018}) 14. Bg2 Qa5 15. O-O Qc5 16. b3 {LiveBook: 26 Games} a5 {[#]} 17. Qh5 $146 ({Predecessor:} 17. Qe2 Bd8 18. Kh1 Be6 19. Rad1 {½-½ (44) Murray,T (2554)-Fleetwood,D (2583) ICCF email 2014}) 17... Bd8 18. Rad1 a4 19. Rd3 axb3 20. axb3 Ra2 21. Qd1 Be6 22. Kh1 Qa7 23. Nde3 Bb6 24. Rxd6 Bxe3 $1 25. fxe3 Ra6 26. Qd2 Qc5 27. Rd5 Bxd5 28. exd5 Na5 $1 {[%cal Ra5b3]} 29. Qxb4 Qxb4 30. Nxb4 Rb6 31. Nc6 $1 {[%cal Rc6a5]} Nxc6 $2 (31... Nxb3 $11 {and Black has nothing to worry.} 32. Rb1 (32. Nxe5 Re8 $15) 32... Ra6) 32. dxc6 $18 {[%cal Bd5c6,Bc6c7][%mdl 32]} Rxb3 $2 {[#]} (32... e4 {was necessary.}) 33. c7 $1 Rc3 $2 (33... e4 34. Bh3 (34. Bxe4 Rxe3 35. Bb7 Ree8 $16) 34... Re8) 34. Bd5 {Precision: White = 76%, Black = 45%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.19"]
[Round "3"]
[White "Villanueva, Mario"]
[Black "Lorenzini, Martin"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2481"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,43,11,14,14,17,0,0,0,0,0,0,-4,0,0,0,-2,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Nxe5 7. Rxe5+ Be7 8. Bf1 O-O 9. d4 Bf6 10. Re1 Re8 {C67: Spanische Partie (Berliner Verteidigung)} (10... Nf5 11. d5 Re8 12. Rxe8+ Qxe8 13. Qd3 d6 14. Nd2 Bg5 15. Nf3 Bxc1 16. Rxc1 Bd7 17. Re1 Qd8 18. Qc4 {1-0 (31) Carlsen,M (2843)-Aronian,L (2764) Stavanger 2018}) 11. Bf4 Rxe1 12. Qxe1 Ne8 {LiveBook: 45 Partien. Die Stellung ist ausgeglichen.} 13. Qe3 d5 14. Bd3 g6 15. Nd2 Ng7 16. Re1 Bf5 17. Nf3 Bxd3 18. Qxd3 c6 19. c3 {[#]} Qb6 $146 20. Qd2 Re8 21. Be5 Qd8 22. Qf4 {Precision: Weiß = 81%, Schwarz = 97%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.19"]
[Round "3"]
[White "Acosta, Pablo Ismael"]
[Black "Slipak, Sergio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2432"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,30,0,0,-25,-35,-35,-13,-8,0,0,-14]} 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c5 7. Bb2 Nc6 8. e3 d4 9. exd4 cxd4 10. Re1 Ng4 {A14: English Opening: 1...e6 with b3 by White} (10... Ne8 11. Ne5 Nxe5 12. Rxe5 f6 13. Re1 e5 14. Ba3 Bxa3 15. Nxa3 Rb8 16. b4 Nc7 17. d3 b6 18. Qa4 a6 {½-½ (56) Petrosian,T (2609)-Eljanov,P (2700) Sharjah 2018}) 11. d3 f6 {LiveBook: 3 Games} 12. Nh4 $146 ({Predecessor:} 12. a3 a5 13. Bc1 Qe8 14. Ra2 Kh8 15. Rae2 Qh5 16. h3 Nh6 17. g4 Qf7 18. Nbd2 {1-0 (54) Arutinian,D (2527)-Smirnov,P (2589) Yerevan 2017}) 12... e5 13. Ba3 Kh8 14. Bxe7 Qxe7 15. Nd2 a5 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.19"]
[Round "3"]
[White "Pierrot, Facundo"]
[Black "Lujan, Carolina"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2389"]
[BlackElo "2329"]
[Annotator "TA"]
[PlyCount "22"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,22,20,15,28,16,16,22,57]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. c3 d5 6. exd5 Nxd5 7. d4 cxd4 8. Nxd4 Bd7 9. Nxc6 {LiveBook: 4 Games. B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} bxc6 10. Bd3 Qc7 11. Nd2 Bd6 $146 ({Predecessor:} 11... Nf4 12. Nc4 Rd8 13. Bc2 c5 14. Qg4 Nd5 15. Re1 Nf6 16. Qh4 Be7 {1-0 (42) Rowson,J (2527)-Kuljasevic,D (2297) Pula 2002}) 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.19"]
[Round "3"]
[White "Benedetti, Julio"]
[Black "Paveto, Kevin"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2364"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,86,20,-3,-3,-27,-27,-17,-18,-30,-3,-25,10,0,0,-45,0,-93,-77,-87,-68,-75,-84,-87,-82,-83,-86,-90,-80,-105,-85,-173,-173,-262,-268,-260,-255,-278,-272,-282,-282,-281,-282,-282,-282,-285,-270,-270,-270,-322,-333,-385,-383,-385,-385,-534,-546,-539,-441,-535,-319,-526,-505,-514,-475,-624,-581,-624,-618,-1059,-1033,-1130,-1152,-1140,-1005,-5152,-5152]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 a6 6. O-O {C50: Hungarian Defence and Giuoco Pianissimo} (6. Nd5 Nxd5 7. Bxd5 d6 8. Be3 Bxe3 9. fxe3 O-O 10. O-O Nb8 11. b4 Nd7 12. Qd2 c6 13. Bb3 a5 {1-0 (37) Kramnik,V (2800)-Aronian,L (2794) Berlin 2018}) 6... d6 7. h3 {LiveBook: 6 Games} Na5 8. Re1 {The position is equal.} (8. Bb3 {with more complications.} O-O 9. Re1 Re8 10. Qe2 b5 11. Be3) 8... Nxc4 9. dxc4 h6 $146 ({Predecessor:} 9... Be6 10. b3 Qd7 11. Be3 Bb4 12. Bd2 h6 13. a3 Bc5 14. Be3 Bxe3 15. Rxe3 {0-1 (32) Chiang,J (1982)-Kavutskiy,K (2281) Los Angeles 2012}) 10. Rb1 Be6 11. Qd3 Qd7 12. b4 Ba7 13. c5 (13. a4 {looks sharper.} O-O 14. a5 Rfe8 15. Nd5 Nh5 16. Nh4) 13... dxc5 (13... O-O {keeps more tension.} 14. Be3 Rfd8 15. b5 dxc5 16. bxa6 bxa6 17. Nxe5 Qe8) 14. Nd5 (14. bxc5 $11 Bxc5 15. Nd5) 14... Nxd5 $17 ({Of course not} 14... Bxd5 $6 15. Nxe5 Qd6 16. exd5 $11) 15. exd5 Qxd5 16. Qxd5 Bxd5 17. Rxe5+ Be6 18. Be3 O-O-O 19. a3 Bd5 20. Ne1 Rd7 21. Nd3 (21. Bxc5 $17 Bxc5 22. bxc5) 21... f6 $19 22. Rxd5 (22. Rf5 {was necessary.}) 22... Rxd5 23. bxc5 c6 24. Kf1 Re8 25. Rb4 g5 26. g3 Bb8 27. Kg2 Bc7 28. Kf3 f5 29. Rc4 Bd8 30. h4 Bf6 31. h5 g4+ 32. Kg2 Bg5 33. Bd4 Re4 34. c3 a5 35. Ra4 Bd8 36. Kf1 $2 {[#]} (36. Nb2 {was called for.}) 36... Bc7 {Black is clearly winning.} 37. Kg2 Kb8 38. Nb2 f4 39. gxf4 Bxf4 40. Rxa5 Rxh5 {[#] ( -> ...Rh2+)} 41. Nd3 Bc7 42. Ra4 Rh3 43. f3 Rg3+ {Precision: White = 24%, Black = 81%.} 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.19"]
[Round "3"]
[White "Gomez, Carlos David"]
[Black "Sosa, Tomas"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "2356"]
[BlackElo "2467"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,35,-3,2,-3,-3,-8,-3,-8,-5,-9,0,-24]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qh5 9. Nxe4 Be6 10. Bg5 Bd6 11. Nxd6+ cxd6 12. Bf4 Qd5 13. c3 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4} Rc8 {LiveBook: 12 Games. The position is equal.} (13... O-O 14. Nxd4 Nxd4 15. Qxd4 Qxd4 16. cxd4 d5 17. Rac1 Rfc8 18. Rxc8+ Rxc8 19. Rc1 Rxc1+ 20. Bxc1 f6 21. Bf4 a6 22. a3 Bd7 23. Bd2 Bc6 24. Bc3 Bd7 25. Bd2 Bc6 26. Bc3 Bd7 27. Bd2 {½-½ (27) Wei,Y (2743)-Wen,Y (2605) Shenzhen 2017}) 14. Qd2 O-O 15. Nxd4 Nxd4 16. Qxd4 Qxd4 17. cxd4 d5 18. Rec1 $146 ({Predecessor:} 18. Rac1 Rxc1 19. Rxc1 Rc8 20. Kf1 Rxc1+ 21. Bxc1 {½-½ (35) Szydelko,M (1952)-Kowalec,M (1903) Szczyrk 2014}) 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.20"]
[Round "4"]
[White "Real De Azua, Ernesto"]
[Black "Villanueva, Mario"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2496"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,17,10,12]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 b6 5. Nc3 Bd6 6. b3 O-O 7. Bd3 Bb7 8. O-O Nbd7 9. Bb2 {LiveBook: 396 Games} {Predecessor:} a6 $146 10. Rc1 Qe7 11. cxd5 exd5 12. Ne2 Ne4 13. Qc2 Rac8 14. Ng3 g6 15. Qe2 h5 16. Ne5 Nxe5 17. dxe5 Bxe5 18. Bxe5 Qxe5 19. Nxe4 dxe4 20. Bxa6 Bxa6 21. Qxa6 {½-½ (57) Harikrishna,P (2732)-Navara,D (2727) Prague 2018} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.20"]
[Round "4"]
[White "Sosa, Tomas"]
[Black "Pierrot, Facundo"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2467"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,85,7,17,-35,-43,-54,8,-62,8,10,28,20,11,17,37,39,47,36,62,35,28,-125,-112,-119,-126,-103,0,0,0,0,0,0,0,0,0,4,103,37,37,29,29,20,33,21,106,100,182,182,369,382,386,375,368,301,350,282,277,245,358,366,343,319,315,302,437,410,1210,1210,1012,1012]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. dxe5 Nc5 6. Be2 {C43: Petroff Defence: 3 d4} (6. O-O c6 7. Be3 Nxd3 8. Qxd3 Be7 9. c4 dxc4 10. Qxc4 O-O 11. Nc3 Be6 12. Qf4 Nd7 13. Qg3 Kh8 14. Rad1 {0-1 (35) Predke,A (2601)-Fedoseev,V (2718) Moscow 2017}) 6... Be7 7. O-O O-O 8. Be3 c6 9. c4 dxc4 {LiveBook: 23 Games} 10. Qc2 (10. Bxc4 $11 Nbd7 11. Nc3) 10... b5 $15 {[%cal Bb7b5,Bb5b4][%mdl 32]} 11. b3 a5 $146 (11... cxb3 $15 12. axb3 Nba6) ({Predecessor:} 11... cxb3 12. axb3 Nba6 13. Qc3 Be6 {1-0 (40) Lobanov,S (2239)-Ozen,D (1896) Al Ain 2013}) 12. Nc3 (12. Nbd2 $11) 12... Nba6 (12... cxb3 $1 $15 13. axb3 Nba6) 13. bxc4 $11 b4 14. Rad1 Qc7 15. Ne4 Nxe4 16. Qxe4 Re8 17. Nd4 Bc5 18. Nb5 (18. Nxc6 Bb7 $17) 18... Qe7 $1 19. Nd6 $2 (19. Bf3 $11 cxb5 20. Qxa8 bxc4 21. Bxc5 Nxc5 22. Qxa5) 19... Bxd6 $1 $17 20. Qxc6 Bb8 $1 {Hoping for ...Bb7.} 21. Bf3 {[#]} (21. Qxa8 $2 Bb7 $19) 21... Nc7 (21... Qxe5 $6 22. g3 $14) (21... Ra7 $1 $17 22. Bxa7 Bxa7) 22. Qd6 $36 {[%mdl 2048] White has some pressure.} Ra6 23. Qxe7 Rxe7 24. Rd8+ Re8 25. Rfd1 {Strongly threatening Rxe8+.} Rae6 {...Rxd8 is the strong threat.} 26. Bg4 Rxe5 (26... f5 $1 $11 27. Bxf5 Kf7) 27. Bxc8 ({White should play} 27. Rxc8 $16 h6 28. g3) 27... Rxd8 $14 28. Rxd8+ Re8 29. Rxe8+ Nxe8 $11 {[%mdl 4096] Endgame KBB-KBN} 30. Bd7 Kf8 {[#]} (30... Nd6 $11) 31. Bb6 $1 $16 Bc7 (31... Nf6 $16 {might work better.}) 32. c5 $18 {And now Bxe8 would win.} Bxb6 $2 (32... Be5 33. Bxa5 Nc7 34. Bxb4 Ke7) 33. cxb6 {KB-KN} Nd6 34. Bc6 Ke7 35. b7 Nxb7 36. Bxb7 {KB-KP} Kd6 37. Be4 Ke5 (37... a4 {is a better defense.} 38. Kf1 Ke5) 38. Bc2 ({And not} 38. Bxh7 g6 $11) 38... Kd4 39. Kf1 ({Weaker is} 39. Bxh7 a4 $18) 39... Kc3 40. Bb3 ({Worse is} 40. Bxh7 Kb2 $15) 40... f6 (40... Kd2 $142 41. f4 Ke3 42. Bxf7 Kxf4) 41. Ke2 Kb2 (41... Kd4 $142 42. g3 Kc3) 42. Kd3 Ka3 43. Kc2 {Precision: White = 64%, Black = 32%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.20"]
[Round "4"]
[White "Lorenzini, Martin"]
[Black "Acosta, Pablo Ismael"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2423"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,152,17,4,14,0,0,0,0,0,0,0,0,0,110,106,128,127,127,128,138,141,174,178,372,378,352,235,251,243,266,245,463,463,444,434,394,275,379,249,231,233,245,234,416,408,353,345,343,341,356,329,408,373,539,539,504,483,750,674,595,236,296,11,31,-17,0,-49,-56,-61,-57,-73,-20,-97,-91,-104,-23,-141,-140,-139,-139,-158,-148,-175,-181,-185,-44,-209,-91,-60,0,0,0,0,0,0,0,0,0,0,0,0,0,-269,-264,-364,-328,-717,-662,-1071,-1004,-29977,-562,-554,-531,-524,-524,-868,-857,-852,-851,-752,-610,-723,-693,-615,-558,-5685,-5296,-29969,-29971,-29971,-29972,-29964,-29965,-29965,-29971,-29971,-29972]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Na3 Nc6 7. Be3 cxd4 {B22: Sicilian: 2 c3} 8. Nb5 Qd8 9. Nbxd4 {LiveBook: 86 Games} Qc7 {The position is equal.} (9... Nd5 10. Nxc6 bxc6 11. Bd2 Qb6 12. Ne5 Qc7 13. Nc4 Be7 14. Bd3 Ba6 15. Qg4 {½-½ (55) Wang,H (2717)-Laznicka,V (2666) Ho Chi Minh City 2016}) 10. Nxc6 (10. Qd2 {is interesting.} Nd5 11. Nb5 Qb8 12. Bd3 Be7 13. O-O) 10... bxc6 11. Bd3 $146 ({Predecessor:} 11. Bd4 Be7 12. Bd3 O-O 13. Qe2 a5 14. O-O c5 15. Be5 {0-1 (32) Boricsev,O (2299)-Alexikov,A (2402) Alushta 2006}) 11... Bd6 12. Qc2 Nd5 13. Bd2 Rb8 14. O-O h6 (14... c5 $11 {keeps the balance.}) 15. c4 $16 Nb4 16. Bxb4 $1 Bxb4 17. c5 $1 Ba5 18. a3 Qf4 19. Be4 Bd7 $2 (19... O-O 20. Bxc6 Ba6) 20. g3 $18 Qf6 21. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Bc7 22. Rad1 e5 23. Qa4 a5 $2 {[#]} (23... Rc8 24. Rfe1 (24. Qxa7 Bg4 $16) 24... Bb8) 24. Rxd7 $1 {[%mdl 512]} Kxd7 {[#]} 25. Bxc6+ $1 {[%mdl 512]} Ke7 ({Not} 25... Qxc6 $2 26. Rd1+ Kc8 27. Qxc6) 26. b5 Rhc8 27. Qe4 {Strongly threatening b6.} Qg6 {White must now prevent ...Qxe4.} 28. Qe3 {[%mdl 1024] White has strong compensation.} Qe6 29. Re1 f6 $2 {[#]} (29... Kf8 {was necessary.} 30. Qe4 (30. Nxe5 Bxe5 31. Qxe5 Qxe5 $16) 30... f5) 30. Nd4 $1 {[%mdl 512]} Qc4 (30... exd4 31. Qxe6+) 31. Nf5+ Kf8 32. Rc1 Qe6 33. Qe4 g6 {[#]} 34. Nd4 $1 {[%mdl 512]} Qf7 (34... Qe7 {was called for.} 35. Re1 Qf7) (34... exd4 35. Qxe6) 35. Bd5 f5 36. Qf3 Qd7 (36... e4 $142) 37. Ne6+ Ke7 38. Nxc7 $2 (38. Bc4 {Rd1 is the strong threat.} Qd2 39. Rd1) 38... Rxc7 39. a4 $2 (39. c6 $18 Qd6 40. Qb3) 39... Rd8 $11 40. Bb3 Qd3 41. Bd1 Qd2 42. Qe3 Qxe3 43. fxe3 $15 {[%mdl 4096] Endgame KRR-KRB} Rd2 (43... Rcd7 $1 $17 {[%cal Rd7d1]} 44. Be2 Rd2) 44. Kf1 (44. Bb3 $11) 44... Rb2 $17 ({Of course not} 44... Rxh2 $6 45. b6 $11) 45. Be2 e4 ({Black should play} 45... Rc8 $17 46. Ke1 Rb4) 46. c6 (46. h4 $11) 46... Kd6 47. Rd1+ Kc5 48. Rd8 Ra2 $1 49. Rd4 g5 50. h3 {[#]} Kb6 (50... Re7 $1 $19 51. Bh5 Kb6) 51. Ke1 $2 {[#]} (51. g4 $15) 51... Rg7 (51... Re7 $1 $19 {has better winning chances.} 52. Kf1 Rf7) 52. g4 fxg4 (52... Ra1+ $15 53. Bd1 Ra3 54. gxf5 Rxe3+ 55. Kd2 Rxh3 56. Rxe4 Rg8) 53. hxg4 $11 Re7 54. Bd1 Rb2 55. Rd8 Rf7 {aiming for ...Rff2.} 56. Rb8+ $1 Ka7 57. Re8 Rb4 58. Re6 Kb6 59. c7+ $2 {[%mdl 8192]} (59. Re8 $11 {and White stays safe.}) 59... Kxc7 $19 60. Ra6 {Threatens to win with Ra7+.} Rd7 61. Rxa5 $2 (61. Bc2) 61... Kb7 62. Bc2 Rc4 63. Bb3 Rc3 (63... Rc1+ $142 64. Ke2 Rd3 65. Bg8 Rcd1 66. Kf2 R3d2+ 67. Kg3 Rg1+ 68. Kh3 Re1 69. Bd5+ Rxd5 70. Ra6 Rd2 71. Ra7+ Kxa7 72. b6+ Kb7 73. Kg3 Rxe3#) 64. Be6 Rxe3+ 65. Kf2 Rf3+ 66. Ke2 Rd4 67. Ra6 Ra3 68. a5 Rb4 69. Bd5+ Kc7 70. Rc6+ Kd8 71. Rd6+ Ke7 {( -> ...Rb2+)} 72. Re6+ Kd7 {Black mates.} 73. Rxe4 Rb2+ 74. Kf1 Ra1+ 75. Re1 Rxe1+ 76. Kxe1 Rxb5 {Precision: White = 48%, Black = 51%.} 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.20"]
[Round "4"]
[White "Paveto, Kevin"]
[Black "Pichot, Alan"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2416"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,70,12,9,8,0,16,26,66,77,116,111,97,119,127,118,125,119,117,119,155,155,141,147,155,153,150,150,157,119,116,61,64,66,75,57,150,67,68,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a5 6. a4 {C54: Italienische Partie (Hauptvariante)} d6 7. O-O h6 8. Re1 O-O 9. Nbd2 {LiveBook: 11 Partien} (9. h3 Be6 10. Nbd2 Bxc4 11. Nxc4 Re8 {½-½ (40) Kovalenko,I (2632)-Malakhov,V (2685) Asnieres sur Seine 2018}) 9... Ng4 10. Re2 Kh8 $146 ({Vorgänger:} 10... Bd7 11. Nf1 Ne7 12. Ng3 c6 13. d4 exd4 14. cxd4 {1-0 (45) Ljikar,T (1877)-Vidmar,K (1298) Topusko 2014}) 11. h3 f5 12. d4 exd4 {Und weiter mit ...Sxf2! wäre nett.} 13. hxg4 fxg4 {zielt auf ...dxc3 ab.} 14. Nxd4 g3 {[#]} 15. Nf1 $1 {[%cal Rf1g3]} (15. fxg3 $6 Nxd4 16. cxd4 Bxd4+ 17. Kh1 Qg5 $11) 15... gxf2+ 16. Rxf2 Rxf2 17. Kxf2 Nxd4 18. cxd4 Qf6+ 19. Kg1 Bxd4+ 20. Be3 Bxb2 21. Ra2 Bd7 22. Qb3 Bd4 23. Rf2 (23. Qxb7 $16 Rf8 24. Qd5 (24. Qxc7 Be6 $14) 24... Bxe3+ 25. Nxe3) 23... Bxe3 $14 24. Qxe3 Qe5 $1 25. Rf7 Bc6 (25... Bxa4 $14 26. Qf2 (26. Rxc7 Bc6 $11) 26... Bc6) 26. Qf2 ({Natürlich nicht} 26. Rxc7 $6 d5 $14) (26. Ng3 $16) 26... Bxe4 27. Rf8+ ({Lieber} 27. Qg3 $14) 27... Rxf8 $11 {Die Stellung ist ausgeglichen.} 28. Qxf8+ Kh7 {[#] Droht stark ...Dd4+.} 29. Bg8+ Kg6 30. Bf7+ Kg5 31. Qd8+ Kf5 {Schwarz will ...Ld3 spielen.} 32. Qxc7 Bc6 33. Bb3 Qd4+ 34. Kh2 Qh4+ 35. Kg1 Qd4+ {Precision: Weiß = 69%, Schwarz = 60%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.20"]
[Round "4"]
[White "Slipak, Sergio"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2411"]
[BlackElo "2547"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,20,16,9,14,9,2]} 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Be2 O-O 5. O-O c5 6. dxc5 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} Na6 {[%cal Bb8a6,Ba6c5,Bc5e4,Be4c3][%mdl 32]} 7. c4 Nxc5 8. b4 (8. Nc3 b6 9. Nd4 Bb7 10. f3 d5 11. cxd5 Nxd5 12. Nxd5 Qxd5 13. Nb3 Na4 14. Qxd5 Bxd5 15. Rb1 Rac8 16. e4 Bc4 17. Bxc4 Rxc4 {½-½ (53) Dominguez Perez,L (2739)-Hammer,J (2631) chess.com INT 2018}) 8... Nce4 9. Bb2 {LiveBook: 3 Games} b6 10. Nc3 $146 ({Predecessor:} 10. Nbd2 Bb7 11. Nxe4 Bxe4 12. Rc1 Qc7 13. Nd4 {0-1 (43) Betaneli,A (2204)-Li,R (2564) Saint Louis 2017}) 10... Nxc3 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.20"]
[Round "4"]
[White "Benedetti, Julio"]
[Black "Gomez, Carlos David"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2364"]
[BlackElo "2356"]
[Annotator "NA"]
[PlyCount "193"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nf6 9. Be3 Rb8 10. f3 Nxd5 11. Qxd5 Qc7 12. Qd2 Be7 13. Bd3 O-O 14. O-O Be6 15. b3 Rfd8 16. Nb1 d5 17. exd5 Bxd5 18. a3 e4 19. fxe4 Bxe4 20. Qf2 Bxd3 21. cxd3 Bf6 22. Ra2 Rxd3 23. Kh1 Re8 24. Bf4 Qd7 25. Rd2 Rxd2 26. Nxd2 Nd4 27. Be3 Nc2 28. Bf4 Nd4 29. Be3 Qd5 30. Rb1 Nc2 31. Bc5 Qd3 32. Nf3 Nd4 33. Re1 Rxe1+ 34. Qxe1 Ne6 35. h3 Qxb3 36. Qe4 h6 37. Bb4 Qd1+ 38. Kh2 Qd8 39. Qe1 Ng5 40. Ng1 Qc7+ 41. Kh1 Qe5 42. Qc1 Qa1 43. Ne2 Ne4 44. Qxa1 Bxa1 45. g3 Be5 46. Kg2 Nd6 47. Kf3 Nc4 48. Ke4 Bb2 49. Kd5 Nxa3 50. Kc5 Nc4 51. Be1 Ba3+ 52. Kc6 b4 53. Kc5 Ne5 54. Kd5 Nd3 55. Bd2 b3 56. Kc4 b2 57. Nc3 Nc1 58. Nb1 Bd6 59. Bc3 Ne2 60. Bxb2 Bxg3 61. Nd2 Ng1 62. Ne4 Bh4 63. Nc5 a5 64. Bc3 Nxh3 65. Bxa5 Be7 66. Nd3 g5 67. Kd4 Bd6 68. Ke4 Kg7 69. Kf5 Nf4 70. Bc3+ Kg8 71. Nf2 Nd5 72. Bb2 Ne3+ 73. Ke4 Nc4 74. Bc3 Bf8 75. Ng4 Bg7 76. Bb4 h5 77. Nf2 f6 78. Kf5 Ne3+ 79. Kg6 Nd5 80. Bd2 h4 81. Bxg5 fxg5 82. Kxg5 Bf6+ 83. Kg4 Kf7 84. Ne4 Ne3+ 85. Kf4 Nd5+ 86. Kg4 Be7 87. Nd2 Kg6 88. Nf3 Ne3+ 89. Kf4 Ng2+ 90. Kg4 Ne3+ 91. Kf4 Ng2+ 92. Kg4 Bf6 93. Kh3 Nf4+ 94. Kg4 Ng2 95. Kh3 Ne3 96. Nxh4+ Kg5 97. Kg3 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.20"]
[Round "4"]
[White "Lujan, Carolina"]
[Black "Peralta, Fernando"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2329"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,54,23,25,29,26,26,26,32,33,36,24,29,30,25,10,12,10,27,-19,-23,-20,-3,-41,-24,-35,-23,-37,-23,-41,-17,-40,-46,-62,-53,-46,0,0,18,16,10,0,46,4,4]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nf6 6. d4 dxe4 7. Qe3 {LiveBook: 55 Games} g6 {B11: Caro-Kann: Two Knights Variation} (7... Nbd7 8. Nxe4 Nxe4 9. Qxe4 g6 10. Be2 Bg7 11. O-O O-O 12. Rd1 Re8 13. c3 Qc7 14. d5 c5 15. Bf4 Be5 16. Be3 Rac8 17. a4 {½-½ (44) Bacrot,E (2715)-Ponomariov,R (2699) Biel 2017}) 8. Nxe4 Nxe4 9. Qxe4 Bg7 {White has an edge.} 10. c3 Nd7 {[%cal Bb8d7,Bd7f6,Bf6d5][%mdl 32]} 11. Bc4 e6 12. O-O O-O 13. Bf4 $146 ({Predecessor:} 13. Rd1 Nf6 14. Qh4 Nd5 15. Qxd8 Rfxd8 {½-½ (35) Collins,S (2491)-D'Costa,L (2430) Bunratty 2015}) 13... Nf6 14. Qf3 Nd5 15. Be5 Bxe5 16. dxe5 Qg5 17. Rfe1 Rad8 {[%cal Ba8d8,Bd8d2,Bd2c2][%mdl 32]} 18. Bf1 Nb6 19. Re4 Rd2 20. h4 Qe7 (20... Qf5 {is more complex.} 21. Qe3 Nd5 22. Qxd2 Qxe4 23. c4 Nb6) 21. b3 Rfd8 22. Qe3 Rc2 23. c4 $1 c5 24. h5 Rcd2 ({But not} 24... gxh5 25. Qh6 $16) 25. g3 Nc8 26. Be2 R2d4 27. Kg2 Rxe4 {Precision: White = 40%, Black = 57%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.22"]
[Round "5"]
[White "Pichot, Alan"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2564"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,95,41,25,37,37,33,31,50,25,18,1,6,0,0,0,0,0,37,25,68,13,14,0,10,0,24,0,31,28,31,33,27,27,23,20,20,20,39,26,30,19,75,22,35,32,39,39,33,29,131,135,135,139,135,135,136,142,122,94,103,108,179,185,334,324,344,238,438,239,425,339]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. a4 O-O 7. O-O c6 8. h3 Nxe4 9. Nxe4 d5 10. Re1 {C41: Philidor Defence} exd4 11. Bxd5 cxd5 12. Ng3 d3 13. Qxd3 Nc5 14. Qd1 {LiveBook: 3 Games} (14. Qd4 {keeps more tension.} Be6 15. Be3 Rc8 16. Nh5 f6 17. Nf4) 14... Be6 15. Nd4 Rc8 16. Bf4 Qd7 17. Be5 f6 $146 ({Predecessor:} 17... Rfe8 18. Nxe6 Nxe6 {1-0 (26) Naroditsky,D (2622)-Oratovsky,M (2490) Benasque 2015}) 18. Bf4 Rfe8 $1 19. Nxe6 Nxe6 20. Nf5 Bf8 ({But not} 20... Nxf4 $2 21. Qg4 $18) 21. Be3 a6 22. c3 Rc4 23. Qf3 (23. Bb6 $14) 23... Re4 {Strongly threatening ...Ng5.} 24. Red1 {aiming for Qxe4!} Re5 {White must now prevent ...Ng5.} 25. Qg4 Kh8 26. Nh4 {Hoping for Nf3.} Qc6 27. Nf3 Re4 28. Qf5 $36 {[%mdl 2048] Black is under pressure.} Rxa4 29. Rxa4 Qxa4 30. Qxd5 Nc7 31. Qd3 Qc6 32. Qf5 Ne6 33. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Bc5 (33... Nc5 $11) 34. Re1 ({Better is} 34. Bxc5 $16 Nxc5 35. Nd4) 34... Bxe3 35. Rxe3 Kg8 36. h5 h6 37. Qg4 Ng5 (37... Kf7 $11 {remains equal.}) 38. Nd4 $16 Re4 39. f4 Qe8 40. Rxe4 $1 Nxe4 41. Nf5 $1 {[%csl Gf5][%cal Rg4g7]} Qf8 42. Nxh6+ Kh8 43. Nf5 Qc5+ (43... Nd6 $16 {was called for.}) 44. Kh2 $18 {[%csl Gf5][%cal Rg4g7]} Qc7 {[#]} (44... Qf8 {might work better.} 45. Qe2 Qe8) 45. Nh4 $1 Qc5 46. Qg6 Qe3 $2 {[#]} (46... Nd6 {keeps fighting.} 47. h6 Qc7) 47. Qxg7+ $1 {[%mdl 512]} Kxg7 48. Nf5+ {Precision: White = 54%, Black = 37%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.22"]
[Round "5"]
[White "Peralta, Fernando"]
[Black "Sosa, Tomas"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2563"]
[BlackElo "2467"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,95,14,18,19,16,25,14,19,12,12,12,12,17,14,14,23,12,22,8,9,9,16,16,17,7,27,20,33,33,33,33,37,33,35,29,29,24,24,32,39,31,49,52,51,50,51,55,189,189,189,189,189,189,189,189,189,189,189,189,540,540,2531,1306,6406,6371,5327,5293,29972,29973,29974,29975,29976,29977,29975,29977,29979,29980]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. a3 Bd6 10. b4 Re8 {E52: Nimzoindisch (Moderne Variante)} 11. Qb3 {LiveBook: 9 Partien} Ne4 12. Bb2 Nxc3 $146 {Die Stellung ist ausgeglichen.} ({Vorgänger:} 12... Re6 13. Rad1 Rh6 14. Ne5 Nxc3 15. Bxc3 Bxe5 16. dxe5 Qh4 17. h3 d4 18. Bc4 dxc3 19. Bxf7+ {1-0 (40) Polugaevsky,L (2630)-Sokolov,A (2565) France 1992}) 13. Qxc3 Nd7 14. b5 a6 15. a4 axb5 16. axb5 Qe7 17. Rfc1 Rec8 18. g3 h6 19. Bf5 Rxa1 20. Rxa1 {Droht stark Ta7.} Ra8 21. Rxa8+ Bxa8 22. Qc2 Qe8 23. Qa4 Nf8 24. Ba3 Bxa3 $1 25. Qxa3 Bb7 26. Qb3 (26. Qa4 {feels hotter.} g6 27. Bd3 Nh7 28. Ne5 Nf6 29. h4) 26... g6 27. Bh3 Nh7 28. Ne5 Nf6 29. Qc2 Qe7 30. Qa2 $36 {[%mdl 2048] [#] zielt auf Da7 ab. Weiss steht aktiver.} Ne4 31. Qa7 Nd6 $1 32. Qb8+ Kg7 33. Bd7 f6 (33... Bc8 $1 $14) 34. Qh8+ $1 $18 ({Lieber nicht} 34. Qxc7 Bc8 $11) 34... Kxh8 35. Nxg6+ Kg7 36. Nxe7 {[%mdl 4096] Endspiel KLS-KLS} Kf7 37. Nf5 Nxf5 38. Bxf5 {KL-KL} c6 39. Bd7 Ke7 $2 (39... cxb5 {ist zäher.} 40. Bxb5 Ke7) 40. Bxc6 ({Weniger gut wäre} 40. bxc6 Ba6 $16) 40... Bxc6 41. bxc6 {KB-KB} Kd6 42. g4 Kxc6 43. h4 b5 44. Kf1 {Weiß setzt Matt.} b4 45. Ke2 Kb5 46. Kd3 Ka4 47. Kc2 Ka3 {[#]} 48. Kb1 $1 {Precision: Weiß = 74%, Schwarz = 39%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.22"]
[Round "5"]
[White "Perez Ponsa, Federico"]
[Black "Lorenzini, Martin"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2547"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "184"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,184,49,48,60,60,53,12,5,14,47,12,14,13,18,10,29,10,17,6,9,0,0,-3,23,24,22,21,21,21,22,14,21,21,21,21,25,22,21,21,23,23,23,23,23,23,23,8,8,8,9,0,23,23,23,23,23,23,23,0,23,23,38,23,23,23,38,38,38,38,38,38,38,38,38,38,38,38,41,38,38,38,38,38,38,38,38,38,38,8,8,12,20,0,29,20,29,30,30,4,30,0,30,0,30,0,68,0,0,0,68,0,0,0,68,0,68,0,0,0,8,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,7,8,8,16,8,8,8,8,8,8,8,8,8,8,8,8,-8,-8]} 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. a4 O-O 7. O-O c6 8. h3 a5 9. Re1 exd4 10. Qxd4 Nc5 {C41: Philidor Defence} 11. Bf4 Ne6 12. Bxe6 Bxe6 13. Rad1 d5 (13... Ne8 14. Qe3 Bd7 15. Nd2 Qb8 16. Nc4 Be6 17. Nd5 cxd5 18. exd5 b5 19. axb5 Qxb5 20. Qb3 {½-½ (20) Mosadeghpour,M (2518)-Kuzubov,Y (2695) Amol 2018}) 14. exd5 Nxd5 15. Nxd5 {LiveBook: 3 Games} Qxd5 16. Qxd5 cxd5 17. Bg5 $146 ({Predecessor:} 17. Nd4 Ra6 18. Nb5 Rc6 19. c3 Rc4 20. Rd4 Rfc8 21. Be5 Bf8 {½-½ (21) Petrov,M (2479)-Plat,V (2543) Cardiff 2018}) 17... Bc5 18. Be3 Be7 19. Bd4 Rfc8 20. c3 Rc4 21. Ra1 h6 22. Ne5 Rcc8 23. Nd3 Ra6 24. Re3 Bd6 25. Ne5 Bxe5 26. Rxe5 f6 27. Re3 Kf7 28. f3 Bd7 29. Kf2 Re8 30. Rxe8 Bxe8 $11 {[%mdl 4096] Endgame KRB-KRB} 31. g4 b5 32. axb5 Bxb5 33. b3 a4 34. bxa4 Rxa4 35. Rb1 Ra2+ 36. Kg3 Ba6 37. Rb6 Bf1 38. Rb7+ Kg8 39. Kf4 Ra8 40. h4 Rf8 41. Rd7 Bc4 42. Rd6 Re8 43. Rd7 Rf8 44. Kg3 Rf7 45. Rd6 Re7 46. f4 Kf7 47. f5 Kg8 48. Rd8+ Kh7 49. g5 hxg5 50. hxg5 fxg5 51. Kg4 Rb7 52. Re8 Bd3 53. Kxg5 Rb2 54. Re7 Rg2+ 55. Kf4 Kg8 56. Rd7 Bc4 57. Rd8+ Kh7 58. Ke5 Re2+ 59. Kd6 {[#] Strongly threatening Rd7.} Rg2 60. Ke6 Rg5 61. Re8 Bb3 62. Rb8 Bc4 63. Rb7 Kg8 64. Rb8+ Kh7 65. Rb7 Kg8 66. f6 Rg6 (66... gxf6 $11 67. Kxf6 Rg3) 67. Rb8+ (67. Rxg7+ $14 Rxg7 68. fxg7) 67... Kh7 68. Rb7 ({Better is} 68. Kf7 $11 gxf6 69. Re8 (69. Bxf6 d4+ 70. Ke7 Rg4 $11)) 68... Kg8 $14 69. Rb8+ ({White should try} 69. Rxg7+ $14 Rxg7 70. fxg7) 69... Kh7 $11 70. Rb7 (70. Rb2 $11 gxf6 71. Kf7) 70... Kg8 $14 71. Rc7 (71. Rxg7+ $14 Rxg7 72. fxg7) 71... Bb3 (71... gxf6 $11 72. Bxf6 Rg4) 72. Rc8+ (72. Rxg7+ $14 Rxg7 73. fxg7) 72... Kh7 $11 {The position is equal.} 73. Kf7 {[%cal Rf6g7]} gxf6 74. Bxf6 {[%csl Gf6][%cal Rc8h8] [#]} Rg8 75. Rc5 Rg4 76. Rc8 {[%csl Gf6][%cal Rc8h8]} Rg8 77. Rc7 d4+ 78. c4 d3 {...d2 is the strong threat.} 79. Rc5 {[%cal Rc5h5]} Bd1 80. Rd5 Rg3 81. Rd8 {[%csl Gf6][%cal Rd8h8]} Bh5+ 82. Ke6 Bg4+ (82... Rf3 {seems wilder.} 83. Rd6 Bg4+ 84. Kf7 Rf5 85. Rxd3 Rc5) 83. Ke5 Kg6 84. Bh4 Rg2 {Threatens to win with ...d2.} 85. Rxd3 Re2+ 86. Kd6 Re4 87. c5 Bf5 88. Rg3+ Rg4 89. c6 Rxg3 90. Bxg3 Bg4 91. c7 Bf5 92. c8=Q Bxc8 {Precision: White = 48%, Black = 72%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.22"]
[Round "5"]
[White "Villanueva, Mario"]
[Black "Lujan, Carolina"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2481"]
[BlackElo "2329"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,99,12,15,6,69,65,56,27,71,43,64,62,75,75,75,66,75,42,48,0,72,39,45,30,30,37,217,202,239,182,178,160,175,175,174,169,187,167,193,193,494,488,490,483,462,426,570,545,579,573,572,565,694,564,662,641,694,683,677,664,29978,29970,29964,29956,29980,29981,29980,29981,29985,29986,29986,29987]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 {[%cal Bd4b5,Bb5a3,Ba3c2][%mdl 32]} d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nf6 9. Bg5 Be7 10. Bxf6 Bxf6 11. c4 b4 {B33: Sicilian: Pelikan and Sveshnikov Variations} 12. Nc2 O-O 13. Be2 (13. g3 Rb8 14. b3 Be6 15. h4 Rb7 16. Rc1 a5 17. Bh3 Bxd5 18. cxd5 Na7 19. Bf1 {1-0 (78) Morozevich,A (2665)-Dubov,D (2701) Moscow 2018}) 13... Bg5 14. O-O a5 15. b3 Be6 {LiveBook: 9 Games} 16. a3 {[%cal Ra3b4]} Rb8 $146 (16... Qb8 $11) ({Predecessor:} 16... bxa3 17. Rxa3 Bxd5 18. Qxd5 Qb6 19. Rfa1 {½-½ (30) Zaslavsky,M (2433)-Gladyszev,O (2469) Israel 2011}) 17. axb4 $14 axb4 18. Ra4 Rb7 19. Ndxb4 Nxb4 20. Rxb4 Qb8 21. Rxb7 Qxb7 22. Qd3 ({Don't play} 22. Qxd6 $6 Qxb3 23. Qd3 Qxd3 $11) 22... g6 23. Na3 Ra8 24. Nc2 Qb6 (24... Rf8 $11) 25. h3 Ra2 26. Bg4 Bxg4 27. hxg4 Rb2 $2 (27... Qa5 $14) 28. b4 $18 {[%cal Bb3b4,Bb4c5,Bc5c6][%mdl 32]} Bh4 29. Qc3 Ra2 30. Ne3 Qa7 {[#]} 31. c5 $1 {[%cal Rc5c6] Threatens to win with c6.} Ra3 32. Qc4 dxc5 33. bxc5 Ra5 34. Rc1 {aiming for c6.} Be7 $2 (34... Bg5 35. Qc3 Bxe3 36. Qxe3 Qc7) 35. c6 Rc5 36. Qf1 Bd8 37. Nd5 Qa3 38. Rc4 Qa7 39. g3 Kg7 40. Qc1 Ra5 {[#] And now ...Ra1 would win.} 41. c7 Ra2 42. Rc2 Bxc7 {Strongly threatening ...Ra1.} 43. Rxa2 ({Inferior is} 43. Nxc7 Ra1 $11) 43... Qxa2 44. Nxc7 Qe2 45. Ne8+ {White mates.} Kf8 46. Nf6 Kg7 47. g5 {[%cal Bg4g5,Bg5h6][%mdl 32]} h6 48. Ne8+ Kh7 49. gxh6 g5 50. Qxg5 {Precision: White = 56%, Black = 37%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.22"]
[Round "5"]
[White "Acosta, Pablo Ismael"]
[Black "Real De Azua, Ernesto"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2432"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,96,9,12,27,24,20,0,0,0,0,-27,-30,-33,-45,-57,-62,-62,-48,-43,-46,-37,-35,-47,-23,-51,-8,-10,-10,-8,0,-20,-6,-18,0,-16,0,0,0,-14,0,-10,0,-20,0,0,0,0,0,0,9,9,9,9,9,9,9,9,9,0,9,0,9,9,9,10,10,6,6,6,110,0,8,8,9,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Nc3 a6 6. dxc5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} e6 7. Na4 {LiveBook: 8 Games} Nd7 {[%cal Bf6d7,Bd7c5,Bc5d3][%mdl 32]} 8. c4 {White has an edge.} Nxc5 9. Nc3 {[%cal Rc4d5]} dxc4 10. Qxd8+ Nxd8 11. a4 $146 ({Predecessor:} 11. Bxc4 b5 {½-½ (95) Sadzikowski,D (2590)-Nenezic,M (2490) Fuengirola 2017}) 11... Nd3+ 12. Bxd3 $1 cxd3 13. O-O-O f6 14. Bc7 Bd7 15. Rxd3 {[#] Hoping for Rhd1.} Rc8 16. Bxd8 Rxd8 17. Rhd1 Be7 18. Kc2 Bc8 19. Rxd8+ Bxd8 20. Nd2 Ke7 21. Nc4 Bc7 22. b4 Rd8 23. Rb1 b6 ({Don't play} 23... Bxh2 $6 24. g3 $16) 24. f3 Bb7 25. b5 a5 26. Rc1 h5 27. Kb2 Rc8 28. h3 g5 29. Ne2 Bd8 30. Nd4 h4 31. e4 Kd7 32. Kb3 Ke7 33. Rd1 Ba8 34. Ne3 Kf7 35. Nc4 Ke7 36. Rc1 Bb7 37. Rc2 Kd7 38. Rd2 {[#] Black must now prevent Nf5+.} Ke7 39. Ne3 Bc7 40. Rc2 Kd7 (40... Bg3 $11 {remains equal.}) 41. Nc6 (41. Ng4 $16) 41... Bd6 {[%cal Rb7c6] The position is equal.} 42. Nc4 Bc5 43. N4xa5 (43. e5 {is more complex.} Bxc6 44. bxc6+ Kxc6 45. exf6 Rf8 46. f7) 43... bxa5 44. Rxc5 $11 {KRB-KRN} Kd6 45. Rc3 Bxc6 46. Rxc6+ Rxc6 47. bxc6 Kxc6 {...Kc5 is the strong threat.} 48. Kc4 e5 {Precision: White = 58%, Black = 40%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.22"]
[Round "5"]
[White "Pierrot, Facundo"]
[Black "Benedetti, Julio"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2389"]
[BlackElo "2364"]
[Annotator "TA"]
[PlyCount "22"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,22,14,26,5,9,14,28,7,25,0,-4,-4,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Bg4 (4... Nc6 5. Nbd2 cxd4 6. exd4 Bf5 7. c3 e6 8. Qb3 Bd6 9. Bg3 Bxg3 10. hxg3 Qd6 11. Qxb7 Rb8 12. Qa6 O-O {0-1 (36) Caruana,F (2816)-Grischuk,A (2766) Paris 2018}) 5. c3 Qb6 6. Qb3 {With the idea dxc5. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Bxf3 7. gxf3 {Black should prevent dxc5.} e6 8. Nd2 Nc6 9. Qxb6 axb6 {The position is equal.} 10. Bb5 Be7 11. Ke2 $146 ({Predecessor:} 11. Bc7 Nd7 12. Rg1 O-O 13. Bg3 Rfc8 14. f4 Nf6 {0-1 (38) Joensen,J (1936)-Hojgaard,S (1912) Faroe Islands 2008}) 11... O-O 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.22"]
[Round "5"]
[White "Gomez, Carlos David"]
[Black "Paveto, Kevin"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2356"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,56,25,34,49,19,20,0,4,-8,-18,-17,-29,-216,-214,-200,-216,-213,-216,-180,-146,-162,-127,-162,-170,-147,-135,-153,-144,-137,-129,-179,-195,-322,-292,-285,-261,-390,-387,-360,-375,-355,-365,-456,-457,-857,-836,-29993,-29994]} 1. d4 d6 2. c4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 Nf6 6. f3 {LiveBook: 20 Partien} c6 {A21: Englische Eröffnung} (6... exf3 7. exf3 g6 8. Qe2+ Qe7 9. Nb5 Na6 10. Bd2 Qxe2+ 11. Bxe2 c6 12. Nc3 Nc7 13. O-O-O Be7 14. Rhe1 {1-0 (57) Koch,T (2474)-Fridman,R (2466) Germany 2016}) 7. e3 {[%cal Rf3e4]} d5 $146 ({Vorgänger:} 7... h6 8. Nh3 Be6 9. d5 Bf7 10. fxe4 fxe4 11. Be2 Na6 12. O-O Be7 13. b3 O-O 14. Nf2 {0-1 (48) Simons,J (1900)-Riediger,M (2215) Passau 1997}) 8. cxd5 cxd5 {Die Stellung ist ausgeglichen.} 9. Bb5+ Nc6 10. O-O Bd6 11. Nxd5 $2 (11. fxe4 $11 fxe4 12. Bd2) 11... Nxd5 $19 12. fxe4 Nc7 ({Schlechter ist} 12... Qxg5 13. exd5 a6 14. Ba4 $11) 13. Bxc6+ bxc6 14. Qc2 Be7 ({Bloß nicht} 14... Qxg5 15. Qxc6+ Ke7 16. e5 $17) 15. Nf3 fxe4 16. Qxc6+ Qd7 17. Qxe4 O-O $36 {[%mdl 2048] Weiss steht unter starkem Druck.} 18. Bd2 Ba6 19. Rfc1 Bd6 20. Ng5 {[%csl Gg5][%cal Re4h7]} g6 $1 21. Ba5 {[#]} (21. Qh4 $142) 21... Rae8 $1 22. Qh4 Rf5 ({Weniger gut wäre} 22... Rxe3 23. Bxc7 Bxc7 {[#]} 24. Nxh7 $1 $17 {[%mdl 512]}) 23. Bd2 (23. Qxh7+ $142 Qxh7 24. Nxh7 Rxa5 25. Nf6+ Kg7 26. Nxe8+ Nxe8 27. h3) 23... Ne6 24. e4 {[#]} Rxg5 $1 {[%mdl 512]} 25. Bxg5 Nxd4 26. Kh1 Bb7 27. Qf2 (27. Re1 $142 Nc2 28. e5 Nxe1 29. Qc4+ Re6 30. Rxe1 Bxe5 31. b3) 27... Rxe4 {Und weiter mit ...Te2 wäre nett.} 28. Rd1 {[#]} Qh3 $1 {[%mdl 512] Precision: Weiß = 28%, Schwarz = 73%.} 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.23"]
[Round "6"]
[White "Real De Azua, Ernesto"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2496"]
[BlackElo "2547"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,28,45,47,52,52,54,43,39,53,49,50,46,51,24,34]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 Na6 7. g4 {E71: King's Indian: 4 e4 d6 5 h3} c5 8. Nge2 b6 {LiveBook: 3 Games} 9. Bg2 {e5 is the strong threat.White is slightly better.} (9. e5 Ne8 10. Bg2 Rb8 11. O-O Bb7 12. Bxb7 Rxb7 13. Qa4 Nec7 14. exd6 exd6 {½-½ (60) Caruana,F (2811)-Adhiban,B (2655) Wijk aan Zee 2018}) 9... e5 10. d5 Nc7 11. a4 Rb8 12. Ng3 a6 13. Bf1 $146 ({Predecessor:} 13. b3 b5 14. a5 bxc4 15. bxc4 {0-1 (45) Warmerdam,M (2387)-Ten Hertog,H (2466) Vlissingen 2017}) 13... Bd7 14. Bd3 b5 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.23"]
[Round "6"]
[White "Sosa, Tomas"]
[Black "Villanueva, Mario"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2467"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,62,29,26,26,24,11,0,2,16,16,8,12,18,8,0,26,6,6,6,3,14,7,8,183,177,200,181,177,68,243,232,215,60,53,0,0,0,59,0,0,0,62]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qe7+ 7. Be2 Qc7 {C09: French Tarrasch: 3...c5 4 exd5 exd5 5 Ngf3 Nc6} 8. O-O Nf6 9. dxc5 Bxc5 10. Nb3 Be7 11. Bg5 O-O 12. c3 {LiveBook: 13 Games} Be6 13. Nfd4 Rae8 14. Bh4 Ne4 15. Bxe7 Rxe7 16. Re1 $146 Qf4 17. Bf3 Ng5 18. Re3 Rfe8 19. Qe2 Bd7 {[%cal Re7e3]} 20. Bxd5 Rxe3 21. fxe3 Rxe3 22. Qf2 Qe5 $2 (22... Qxf2+ $1 $11 {and Black has nothing to worry.} 23. Kxf2 Re5) 23. h4 $1 $18 {[%cal Rh4g5]} Ne6 24. Nf3 $36 {[%mdl 2048] White is on the roll.} Qf4 25. g3 (25. Rd1 $1 $18) 25... Qd6 $2 {[#]} ({Black should try} 25... Qc7 $1 $14) 26. Rd1 $1 ({Not} 26. Qxe3 Qxg3+ 27. Kh1 Qh3+ 28. Kg1 Qg3+ 29. Kh1 Qh3+ 30. Kg1 Qg3+ $11) 26... Ne7 {[#]} 27. Qxe3 $2 ({White must play} 27. c4 $1 $18) 27... Qxg3+ $14 28. Kh1 {Threatens to win with Bxe6.} Qh3+ 29. Kg1 Qg3+ $1 30. Kh1 {aiming for Bxe6.} Qh3+ 31. Kg1 Qg3+ $1 {Precision: White = 53%, Black = 37%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.23"]
[Round "6"]
[White "Lorenzini, Martin"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2423"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,126,-29,-42,-40,-43,-7,-2,-6,-11,-10,-12,0,-7,-4,-22,6,21,10,0,2,16,13,19,12,0,0,0,0,0,13,0,0,0,0,-110,-110,-109,-110,-108,-103,-110,-112,-118,-119,-122,-120,-120,-110,-125,-125,-125,-125,-125,-125,-131,-131,-132,-86,-111,0,-135,-110,-93,-73,-127,-97,-155,-152,-139,-140,-214,-90,-212,-210,-204,-195,-414,-390,-460,-452,-353,-345,-683,-589,-1418,-1487,-1357,-1262,-1300,-1221,-9260,-5542,-29970,-29971,-29971,-29972,-29972,-29971,-29972,-29972,-29973,-29975,-29975,-29974]} 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. a3 Bd7 8. Bd3 Bc6 9. O-O Nd7 {[%cal Bb8d7,Bd7b6,Bb6a4][%mdl 32]} 10. b4 a6 11. Re1 Rc8 {B22: Sicilian: 2 c3} 12. Bb2 N7b6 13. Nbd2 {LiveBook: 4 Games} Na4 {Black is slightly better.} 14. Qb3 {[#]} Be7 $146 (14... Ndb6 $5 {[%cal Rc6d5]} 15. Be4 d5 $15) ({Predecessor:} 14... Ndb6 15. Be4 d5 16. Bd3 Bb5 17. Bxb5+ axb5 18. Rac1 Nc4 19. Ba1 {0-1 (28) Velchev,H (2319)-Nielsen,P (2670) Plovdiv 2010}) 15. Rac1 {Threatens to win with exd6.} Nxb2 16. Qxb2 O-O 17. Qb1 h6 18. g3 dxe5 19. dxe5 a5 {[%cal Ra5b4]} 20. b5 $1 {[%cal Rb5c6]} Bd7 21. Rxc8 (21. Qb3 {is more complex.} Bc5 22. a4 Bb4 23. Rf1 Rc7 24. Nc4) 21... Qxc8 22. Rc1 Qb8 23. a4 Bb4 24. Ne4 Nb6 25. Qb3 Rd8 26. Bc2 (26. Bb1 {keeps more tension.} Kf8 27. Ba2 Kg8 28. Rd1 Be8 29. Bb1) 26... Be8 27. Rd1 Rxd1+ 28. Bxd1 Qc7 29. Bc2 (29. Qe3 $11) 29... Nc4 $17 30. Nd6 Nxd6 31. exd6 Qxd6 32. Be4 b6 33. Qc4 Bc5 34. Bc2 g6 35. Qe4 Kg7 36. Bb3 Qd8 37. Kg2 Qf6 38. h4 Bd7 39. Bc2 h5 40. Qe2 Qb2 41. Ng5 {Nxf7! would now be nice for White.} Qf6 42. Nf3 $1 Bc8 43. Be4 Qa1 44. Bc6 ({Better is} 44. Qc2) 44... Qc3 ({Don't take} 44... Qxa4 45. Qe5+ Kg8 46. Qb8 $15) 45. Ng5 ({White should try} 45. Be8) 45... Be7 $1 46. Nf3 Bf6 47. Qd1 {[#]} (47. Qa2 $17) 47... Qc5 (47... e5 $1 $19 {has better winning chances.} 48. Qd5 Be6) 48. Qd3 {[#]} (48. Qb3 $17) 48... e5 $1 $19 49. Bd5 Bf5 50. Qb3 $2 (50. Be4 Be6 51. Ng5) 50... Bc2 51. Qa2 {[#]} Bxa4 $1 {[%mdl 512]} 52. Bxf7 (52. Qxa4 Qxd5) 52... Bxb5 53. Bxg6 $2 (53. Bg8 Qc7 54. Bd5) 53... Qc4 54. Qb1 {[#]} Qf1+ $1 {[%mdl 512]} 55. Qxf1 Bxf1+ 56. Kxf1 Kxg6 {[%mdl 4096] Endgame KB-KN} 57. Ke2 a4 58. Kd3 {[#]} e4+ $1 {[%mdl 512] Black mates.} 59. Kxe4 a3 60. Nd2 a2 61. Nb3 a1=Q 62. Nxa1 Bxa1 63. f3 Bc3 {Precision: White = 30%, Black = 74%.} 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.23"]
[Round "6"]
[White "Paveto, Kevin"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2416"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "155"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,155,31,27,23,23,29,31,50,45,46,32,54,38,34,24,81,80,85,83,75,82,77,82,85,77,85,68,100,100,100,104,101,85,87,85,85,85,85,85,85,85,79,79,89,89,89,66,89,44,89,84,89,89,89,89,122,122,122,109,122,89,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,114,77,91,14,16,15,16,0,17,0,23,0,16,14,34,0,0,0,8,8,8,11,63,63,63,9,20,0,5,5,97,2,2,0,18,18,152,151,6223,5393,1023,910,29976,29977,29977,29978,29978,29979,29979,29980,29980,29981,29981,29982,29982,29983,29982,29983,29983,29984,29987,29987]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Qe7 7. Qxe7+ Bxe7 8. Bf4 {C01: Französische Verteidigung (Abtauschvariante)} c6 9. O-O {LiveBook: 6 Partien} Nbd7 $146 ({Vorgänger:} 9... O-O 10. Re1 Re8 11. Nbd2 Bg4 12. Ne5 Be6 13. Nb3 a5 14. Nc5 Bxc5 15. dxc5 Nbd7 16. Nxd7 Bxd7 {1-0 (33) Carlsen,M (2838)-Meier,G (2630) chess.com INT 2017}) 10. Re1 {Weiß hat minimalen Vorteil.} Nf8 11. Bd6 Be6 12. Bxe7 Kxe7 13. a4 h6 14. Ne5 N6d7 15. f4 {f5 ist eine echte Drohung.} f6 (15... Nxe5 $11 {hält das Gleichgewicht.} 16. Rxe5 (16. dxe5 g6 $11) 16... g6) 16. Nf3 $16 {zielt auf f5 ab.} Kd6 17. f5 $36 {[%mdl 2048] Weiss hat starke Initiative.} Bf7 18. Nbd2 Nh7 19. c4 {[%cal Bc2c4,Bc4c5][%mdl 32]} Rhe8 20. c5+ Kc7 21. h4 Rxe1+ 22. Rxe1 Re8 23. Rxe8 (23. a5 {feels hotter.} Nhf8 24. Kf2 b6 25. b4 g5 26. Rxe8 Bxe8 27. Nf1) 23... Bxe8 24. a5 b6 25. axb6+ axb6 {[#]} 26. b4 $1 b5 27. Nf1 Nb8 28. Ne1 Na6 29. Nc2 Kd7 30. Kf2 Bf7 31. Nd2 Nf8 32. Nb3 Kc7 33. Ke3 Bh5 34. Kd2 Bf7 35. Kc3 Be8 36. Ne3 Bf7 37. g3 Kd7 38. Ng2 Nc7 39. Nf4 Ne8 40. Nd2 Ke7 41. Nf1 Nc7 42. Ne3 Kd7 43. Be2 Ke7 44. Nd3 Be8 45. Nc1 Kd7 46. Nb3 Bf7 47. Na5 Ne8 48. Nc2 g6 49. fxg6 (49. g4 $16) 49... Nxg6 $11 50. Ne3 {Und weiter mit Sf5 wäre nett.} Ne7 51. Bd3 Be6 52. Ng2 Bf5 53. Be2 Kc7 54. Nf4 Ng7 55. Bf3 Bd7 56. g4 f5 57. g5 hxg5 58. hxg5 Ne6 (58... Be8 $1 $11) 59. Nxe6+ $14 Bxe6 {[%mdl 4096] Endspiel KLS-KLS} 60. Bh5 ({Günstiger ist} 60. Nb3 $14) 60... f4 $11 61. Be8 Bf5 62. Kd2 Be4 {[#]} (62... Bd7 $1 $11 63. Bf7 Nf5) 63. Ke2 (63. Ke1 $1 $16) 63... Nf5 $1 64. g6 {[%cal Bg5g6,Bg6g7][%mdl 32]} Nxd4+ 65. Kf2 Bf5 (65... Ne6 $11 {bleibt in der Remisbreite.}) 66. Bf7 $16 Ne6 $2 (66... Kd7 $16) 67. Bxe6 $1 $18 Bxe6 {KL-KS} 68. Nb3 Bf5 69. g7 {Weiß setzt Matt.} Bh7 70. Nd4 Kd7 71. Kf3 Ke7 72. Kxf4 Kf6 73. Nxc6 Kxg7 74. Ke5 Kf7 75. Nd4 Ke7 76. Nxb5 Kd7 77. Nd4 Bg8 78. b5 {Precision: Weiß = 57%, Schwarz = 46%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.23"]
[Round "6"]
[White "Benedetti, Julio"]
[Black "Peralta, Fernando"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2364"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,84,-8,0,0,5,-23,-11,-18,-6,-17,-12,-25,-14,-72,-63,-58,-72,-62,-69,-97,-74,-97,-102,-101,-106,-94,-74,-95,-63,-120,-30,-39,-29,-26,-3,-6,-10,-22,-22,-27,-22,-30,-54,-158,-132,-145,-155,-99,-27,-55,-22,-54,-52,-58,-55,-117,-105,-123,-136,-260,-237,-925,-874,-29984,-29979]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. dxc5 Bxc5 10. Bxc5 Nxc5 11. Nd4 Qb6 {LiveBook: 3 Partien. C11: Französische Verteidigung} (11... Bb7 12. Nxc6 Bxc6 13. Qd4 Qb6 14. b4 Nd7 15. Qxb6 Nxb6 16. a3 g5 17. fxg5 Nd7 18. Ne2 Nxe5 19. Nd4 {0-1 (48) Macieja,B (2622)-Malakhatko,V (2617) Warsaw 2006}) 12. Nxc6 Qxc6 13. Qd4 O-O {Schwarz hat minimalen Vorteil.} 14. Be2 b4 $146 ({Vorgänger:} 14... f6 15. exf6 Rxf6 16. O-O Bb7 17. b4 Nd7 18. Bd3 Rc8 19. Nd1 {1-0 (31) Weber,P (2205)-Lemanczyk,T (2082) Germany 1999}) 15. Qxb4 a5 16. Qd4 Rb8 17. a3 (17. Rb1 $11) 17... Rxb2 $17 18. Nxd5 {[#] Se7+ ist eine echte Drohung.} Rb7 $1 $36 {[%mdl 2048] Läuft bei Schwarz.} 19. Nc3 Qxg2 20. Rf1 Rc7 21. Nb5 Ba6 {Droht stark ...Lxb5.} 22. Qf2 Qxf2+ 23. Rxf2 {[#]} Bxb5 $1 24. Bxb5 Rb8 25. Rd2 (25. a4 $15) 25... g5 (25... Ne4 $17 26. Rd4 Rxc2) 26. a4 $1 $11 gxf4 (26... Ne4 $5 {[%cal Re4d2]} 27. Rd4 Nc3 $11) 27. Rd4 Kf8 28. Kf2 Ke7 29. Rg1 Nd7 30. Bxd7 {Und Lb5 würde nun gewinnen.} Rxd7 31. Rxd7+ Kxd7 {[%mdl 4096] Endspiel KT-KT} 32. Rd1+ ({Besser ist} 32. Rg7 $15) 32... Ke7 33. Rd4 Rc8 34. c4 Rb8 (34... Rc5 $17 35. Re4 Kf8) 35. Rxf4 Rb4 36. Ke3 Rxa4 {Und weiter mit ...Ta2 wäre nett.} 37. Kd4 Ra1 38. Rh4 ({Günstiger ist} 38. Rf2 $15) 38... a4 $17 {[%cal Ba5a4,Ba4a3][%mdl 32] Droht ...a3 und aus.} 39. Kc3 Rb1 40. Kc2 (40. Rg4 $17) 40... Rb4 $19 41. Kc3 $2 (41. Rxh7 Rxc4+ 42. Kb2) 41... a3 42. Rxh7 Rb1 {Precision: Weiß = 33%, Schwarz = 61%.} 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.23"]
[Round "6"]
[White "Gomez, Carlos David"]
[Black "Pierrot, Facundo"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2356"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,73,8,16,0,46,50,44,50,41,45,55,39,63,0,64,14,57,32,43,20,35,34,78,48,71,79,113,72,133,131,125,74,94,50,165,170,161,110,97,115,124,122,207,218,501,489,470,476,681,662,684,711,877,887]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nxc3 7. Bxc3 O-O 8. Bc4 c5 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} 9. d5 Bxc3+ 10. bxc3 Qd6 11. Nf3 Bg4 {LiveBook: 6 Games} 12. e5 Bxf3 $146 ({Predecessor:} 12... Qc7 13. O-O Bxf3 14. Qxf3 Qxe5 15. Rab1 Nd7 16. Rfe1 Qd6 17. Rxb7 Rfb8 18. Rb3 Ne5 19. Qe4 Nxc4 20. Qxc4 Rxb3 21. axb3 Rd8 {½-½ (21) Grachev,B (2653)-Vachier Lagrave,M (2730) Moscow 2010}) 13. exd6 Bxd1 14. dxe7 Re8 15. Kxd1 Rxe7 16. Rb1 $1 b6 17. Bb5 ({White should play} 17. Kc2 $14 Nd7 18. Rhe1) 17... Nd7 ({Black should try} 17... a6 $11 18. Be2 Nd7) 18. Re1 (18. Bxd7 $5 Rxd7 19. c4 $11) 18... Kf8 19. Kc2 $36 {[%mdl 2048] And now Rxe7 would win. White has good play.} (19. Bxd7 $5 Rxd7 20. c4 $11) 19... Rd8 20. f3 c4 21. Bxc4 Nc5 22. Red1 Rc7 23. Bb5 Nb7 24. Rd4 Rc5 (24... Re7 $142) 25. c4 Nd6 26. g4 (26. a4 $142) 26... h5 $16 27. gxh5 Kg7 (27... Nf5 $1 $14 28. Rd3 gxh5) 28. hxg6 $18 fxg6 29. Kc3 (29. a4 $18) 29... Rf8 $16 30. f4 Rh8 31. a4 {[%cal Ba2a4,Ba4b5][%mdl 32]} Rxh2 {[#]} (31... Rh3+ $16 {might work better.} 32. Rd3 Rh4) 32. Re1 $1 $18 Nf5 $2 (32... Rh3+ 33. Rd3 Rxd3+ 34. Kxd3 Rc7) 33. Rd3 {White is clearly winning.} Nd6 34. Re6 Nxb5+ (34... Nf7 $142 35. Re7 Rf2 36. Rxa7 Rxf4) 35. axb5 Kf7 36. Rc6 Rh8 37. Re3 {Precision: White = 55%, Black = 20%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.23"]
[Round "6"]
[White "Lujan, Carolina"]
[Black "Acosta, Pablo Ismael"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2329"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,105,13,0,61,51,98,91,73,0,2,0,0,0,0,15,26,18,26,0,20,0,0,0,0,0,0,0,41,0,0,0,0,0,0,-20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O a6 8. Kh1 Bb4 9. Qd3 Nxd4 10. Qxd4 Bc5 11. Qd3 b5 12. f4 Bb7 13. Bf3 d5 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} 14. exd5 {LiveBook: 3 Games} O-O-O ({Black should try} 14... O-O $11) (14... O-O 15. Be3 Rfd8 16. Bxc5 Qxc5 17. a4 b4 18. Ne4 Nxe4 19. Bxe4 g6 20. c4 bxc3 21. Rac1 Bxd5 22. Bxd5 Rxd5 23. Qxc3 {0-1 (67) Dervishi,E (2552)-Kasimdzhanov,R (2683) Riadh 2017}) 15. Be3 $14 Nxd5 $146 {White is slightly better.} ({Predecessor:} 15... Bxd5 16. Nxd5 Nxd5 17. Bxc5 Qxc5 18. a4 Nc7 19. Qe4 Qd5 20. Qb4 Qc4 21. Qe7 {1-0 (36) Tokarski,B (2138)-Szumilas,P (2038) Leba 2008}) 16. Nxd5 Bxd5 17. Qc3 (17. Bxc5 $16 Qxc5 18. a4) 17... Bxf3 $11 18. Rxf3 Bxe3 19. Qxe3 Rd5 20. a4 {White wants to play axb5.} b4 ({Of course not} 20... Qxc2 21. axb5 Rd1+ 22. Rf1 $16) 21. Qe4 Qb7 22. Rd3 Rxd3 23. Qxd3 {[%mdl 4096] Endgame KQR-KQR} Rd8 $1 {[%cal Rd8d3]} 24. Qxh7 g6 25. h3 Qc7 26. Rf1 Rd2 27. Qg7 a5 {The position is equal.} 28. Qf8+ Kb7 29. Qe8 Rxc2 30. Qb5+ Ka7 31. Rd1 $1 {[%cal Rd1d7] [#] Strongly threatening Rd7.} Rc1 32. Qf1 $1 Rxd1 (32... Rc5 {looks sharper.} 33. Rd4 Qc6 34. Kh2 Kb7 35. Qd1 Rc2) 33. Qxd1 Qxf4 {KQ-KQ} 34. Qd7+ Kb8 {[#] And now ...Qc1+ would win.} 35. Qd8+ Kb7 36. Qxa5 Qc1+ 37. Kh2 Qxb2 38. Qb5+ Kc7 39. Qc5+ Kd7 40. Qa7+ Ke8 {aiming for ...Qe5+.} 41. Qb8+ Ke7 42. a5 b3 43. a6 Qa3 44. Qb7+ Kf6 45. Qf3+ Kg7 46. Qc3+ Kg8 47. Qc8+ $1 Kh7 {White must now prevent ...Qd6+.} 48. Qc7 Kg7 49. Qc3+ Kf8 50. Qc8+ Ke7 51. Qb7+ Kf6 52. Qf3+ Kg7 53. Qc3+ {Precision: White = 82%, Black = 60%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.24"]
[Round "7"]
[White "Pichot, Alan"]
[Black "Real De Azua, Ernesto"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2564"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,37,19,23,-16,-12,-26,-30,-25,-31,-56,-32,-55,-7,-16,-10,-11,0,-34,-31,-31,-31,-30,-22,-21]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O c5 7. c4 Nbc6 8. Na3 {B12: Caro-Kann (Vorstoß-Variante)} (8. dxc5 d4 9. Qb3 Qc7 10. Na3 a6 11. Rd1 Rd8 12. Nc2 Bxc2 13. Qxc2 Ng6 14. a3 Bxc5 15. b4 Ba7 {0-1 (55) Vachier Lagrave,M (2789)-Anand,V (2759) Leuven 2018}) 8... a6 {LiveBook: 21 Partien} 9. Bg5 $146 (9. dxc5 {seems wilder.} d4 10. Qa4 Ng6 11. b4 Be7 12. Rd1) ({Vorgänger:} 9. dxc5 d4 10. Qa4 Ng6 11. Rd1 Bxc5 12. b4 Ba7 13. c5 O-O 14. Nc4 d3 15. Bg5 Qd7 {½-½ (26) Sasikiran,K (2674)-Tari,A (2596) Moscow 2017}) 9... h6 10. Bxe7 (10. Be3 {looks sharper.} cxd4 11. Nxd4 Nxd4 12. Bxd4 Nc6 13. cxd5 Qxd5 14. Bb6) 10... Bxe7 11. cxd5 exd5 12. dxc5 Bxc5 13. Rc1 Bxa3 14. bxa3 d4 {[#] Droht stark ...d3.} 15. Qb3 Qd7 16. Rfd1 O-O 17. Rd2 Rad8 18. Rcd1 Qe7 19. h3 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.24"]
[Round "7"]
[White "Peralta, Fernando"]
[Black "Gomez, Carlos David"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2563"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,97,39,28,47,41,59,27,22,10,8,9,72,30,41,19,64,19,12,0,0,0,0,0,0,-27,0,0,0,0,7,3,139,111,379,362,363,363,351,357,364,336,381,147,576,575,573,516,516,374,249,0,145,149,216,0,527,526,512,475,731,681,543,477,837,733,29960,29961,29960,0,198,0,29962,29963,29963,29963,29954,29960,29963,29964,29969,29970,29970,29971,29973,29974,29973,29973,29972,29973]} 1. d4 d5 2. Nf3 Nc6 3. Bf4 Bg4 4. e3 e6 5. c4 Bd6 6. Bg3 {LiveBook: 49 Games} f5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (6... Nge7 7. Nc3 O-O 8. cxd5 exd5 9. Be2 Qd7 10. Bxd6 Qxd6 11. O-O Nd8 12. Qb3 c6 13. Ne5 Bxe2 14. Nxe2 {0-1 (54) Xu,J (2510)-Short,N (2683) Caleta 2014}) 7. Nc3 Nf6 $146 ({Predecessor:} 7... Nh6 8. Rc1 Ne7 9. Bxd6 Qxd6 10. cxd5 Nxd5 11. Qa4+ c6 12. Ne5 O-O 13. g3 {½-½ (25) Lock,G (2208)-Seymour,T (2070) Coulsdon 2006}) 8. Be2 O-O {White has an edge.} 9. O-O Bxf3 10. Bxf3 {[%cal Rc4d5]} dxc4 (10... Bxg3 $11 {remains equal.} 11. hxg3 Ne7) 11. Bxc6 bxc6 12. Qa4 Qe8 13. Ne2 Rb8 14. Qxc4 Rxb2 15. Rab1 Rb6 16. Rfc1 Nd5 17. Be5 Ba3 18. Rd1 Qd7 19. Qa4 $36 {[%mdl 2048] White fights for an advantage.} Bb4 20. Qxa7 c5 (20... Rfb8 $11) 21. a3 $16 {[%cal Ba2a3,Ba3b4,Bb4b5][%mdl 32]} Qc6 $2 {[%mdl 8192]} (21... Qb5 $16) 22. axb4 $18 Ra8 23. b5 $1 {[%cal Rb5c6]} Qe8 24. Qxa8 Qxa8 25. dxc5 Rb7 26. Nf4 $2 (26. c6 $18 {is the precise move to win.} Rb6 27. Bd4) 26... Nxf4 $2 {[%mdl 8192]} (26... Qa4 $16) 27. exf4 ({And not} 27. Bxf4 Qa4 $11) 27... Qa4 28. Rd8+ Kf7 29. Rd7+ Ke8 30. Rxc7 $2 (30. Rbd1 $1 $18 {White wants to mate with Rd8+.} Qxb5 31. Rd8+ (31. Rxg7 $2 Qd3 $19) 31... Ke7 32. h3) 30... Rxb5 (30... Rxc7 $11 31. Bxc7 Qc2) 31. Rf1 $1 $16 Qc2 {[#]} (31... g5 $16) 32. h4 $2 ({Stronger than} 32. Rxg7 Rb1 $14) (32. h3 $1 $18) 32... Rxc5 $2 {[%mdl 8192]} (32... Rb1 $1 $11 {and Black is okay.} 33. Rxb1 Qxb1+ 34. Kh2 Qa2) 33. Rxg7 $18 Rd5 34. Rxh7 Rd1 {[#]} (34... Kf8 $142 35. Kh2 Rd1 36. Rxd1 Qxd1) 35. Rxd1 $1 Qxd1+ {[%mdl 4096] Endgame KQ-KRB} 36. Kh2 Qe2 (36... Qf1 $142 37. f3 Kf8) 37. f3 Qe1 38. Bf6 Qe3 39. Be5 $2 (39. Bg5 {mates} Qc3 40. Re7+ Kf8 41. Rxe6 Qh8 42. Rf6+ Kg8 43. Rxf5 Qh7 44. Rb5) 39... Qe1 $1 40. Bf6 $2 (40. Bg7 $18) 40... Qe3 $1 41. Bg5 {White mates.} Kf8 42. h5 {[%cal Bh4h5,Bh5h6][%mdl 32]} e5 43. Re7 Qf2 44. Rxe5 Qc2 45. Re7 Kg8 46. h6 Qb2 47. Rg7+ Kh8 48. Rf7 Kg8 49. Bf6 {Precision: White = 48%, Black = 36%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.24"]
[Round "7"]
[White "Perez Ponsa, Federico"]
[Black "Lujan, Carolina"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2547"]
[BlackElo "2329"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,95,51,37,57,65,66,22,36,27,44,35,68,59,61,61,64,63,56,57,60,25,8,-26,58,38,26,30,37,24,60,38,54,5,6,27,24,13,20,7,14,0,0,2,18,0,0,0,0,0,40,0,18,0,0,0,0,0,92,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-6]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 f5 {B32: Sicilian: Löwenthal and Kalashnikov Variations} (6... Be7 7. N1c3 a6 8. Na3 Be6 9. Be2 Rc8 10. O-O Nf6 11. Be3 O-O 12. Qd2 Nd7 13. Rac1 Nc5 14. f3 Nd4 15. Bxd4 exd4 16. Qxd4 Qb6 17. Rc2 Bf6 18. Qe3 Qb4 19. Qd2 Na4 20. Nd5 {½-½ (37) Anand,V (2779)-Caruana,F (2823) Saint Louis 2016}) 7. exf5 Bxf5 8. Bd3 Be6 9. O-O {LiveBook: 4 Games} a6 10. N5c3 Nf6 11. Bg5 Be7 12. Nd2 Nd4 13. Nb3 $146 {Strongly threatening Nxd4.} ({Predecessor:} 13. Ne2 Nf5 14. Qa4+ {½-½ (49) Jakubiec,E (2204)-Krupa,M (2272) Karpacz 2008}) 13... Nxb3 14. axb3 Ng4 15. Bd2 O-O 16. h3 Nf6 17. Qe2 Qd7 18. f4 Rae8 19. Rad1 Bd8 ({Better is} 19... exf4 $1 $11 20. Bxf4 d5) 20. f5 Bf7 21. Be3 Qc6 22. g4 e4 23. Bc2 Bb6 24. Qf2 Bxe3 25. Qxe3 h6 $1 26. Rd2 Re5 27. Rfd1 d5 28. Nxd5 Nxd5 29. cxd5 Bxd5 30. Re1 Rfe8 31. Bd1 {[%cal Bc2d1,Bd1e2,Be2c4][%mdl 32]} Kh8 32. Be2 Qf6 33. Bc4 Qf7 34. Rxd5 Rxd5 35. f6 b5 36. fxg7+ ({White should try} 36. Bxd5 $11 Qxd5 37. fxg7+ Kxg7 38. Qa7+ Qf7 39. Qxf7+ (39. Qxa6 Qc7 $11) 39... Kxf7 40. Kf2) 36... Kxg7 $16 37. Qc3+ (37. Rf1 $16 bxc4 38. Rxf7+ (38. bxc4 Qe6 $14) 38... Kxf7 39. bxc4) 37... Kh7 {The position is equal.} 38. Bxd5 Qxd5 $11 {[%mdl 4096] Endgame KQR-KQR} 39. b4 Re7 40. Qe3 Qe5 41. Re2 Qd6 42. Rf2 Qe5 43. Rd2 Qg5 44. Qxg5 hxg5 45. Rd4 e3 {[%cal Be4e3,Be3e2][%mdl 32] [#] ( -> ...e2)} 46. Kf1 e2+ 47. Ke1 Re3 48. Rd5 {Precision: White = 45%, Black = 71%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.24"]
[Round "7"]
[White "Villanueva, Mario"]
[Black "Benedetti, Julio"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2481"]
[BlackElo "2364"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,67,99,100,222,211,220,171,179,167,379,370,369,367,463,630,432,466,464,447,461,443,445,429,433,423,547,538,763,714,1166,1159,1091,1030,3929,2742,1942,2086,12833,12833,12838,12839,12843,12844]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O Bd7 10. g4 Rc8 11. Kb1 Ne5 12. Be2 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} (12. h4 Qa5 13. Nd5 Qxd2 14. Nxe7+ Kh8 15. Bxd2 Rce8 16. g5 Nxe4 17. fxe4 Rxe7 18. Bb4 Bg4 19. Bxd6 Rd7 20. Bxf8 Bxd1 21. Bxg7+ Kxg7 {½-½ (46) Sasikiran,K (2642)-Feller,S (2626) Montpellier 2015}) 12... Nc4 13. Bxc4 Rxc4 14. h4 {[%cal Bh2h4,Bh4h5][%mdl 32] LiveBook: 4 Games. White is better.} Qb8 (14... h5 $16) 15. h5 $18 b5 16. Nd5 $146 ({Predecessor:} 16. hxg6 fxg6 17. g5 Nh5 18. b3 Rcc8 19. Nd5 Rf7 20. Rxh5 gxh5 {0-1 (34) Nunes,F (1870)-Teixeira,R (2125) Rio de Janeiro 1986}) 16... Nxd5 17. exd5 Qb7 $2 (17... Bf6 {keeps fighting.} 18. b3 (18. hxg6 fxg6 19. Qh2 Rf7 $16) 18... Rcc8) 18. hxg6 fxg6 19. Qh2 Qxd5 20. Qxh7+ {White is clearly winning.} Kf7 {[#] aiming for ...Rh8.} 21. Bh6 (21. Rh6 Rg8 $18) 21... Rg8 22. Nf5 Qe5 {[%csl Gg7][%cal Re5b2]} 23. Bxg7 ({Less strong is} 23. Nxg7 Rxg7 24. Bxg7 Qxg7 $18) 23... Rxg7 24. Nxg7 Qxg7 25. Rde1 e6 26. Rd1 Bc6 27. Rxd6 Qxh7 28. Rxh7+ {[%mdl 4096] Endgame KRR-KRB} Kf6 29. b3 Ke5 {[#]} 30. Rxe6+ $1 {[%mdl 512]} Kxe6 31. bxc4 bxc4 32. Rxa7 Bxf3 33. Ra6+ Ke5 34. Rxg6 {Precision: White = 100%, Black = 15%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.24"]
[Round "7"]
[White "Acosta, Pablo Ismael"]
[Black "Sosa, Tomas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2432"]
[BlackElo "2467"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,-9,-6,-8,-2,-18,-6,-22,-24,-25,-8,-8,-2,-14,-17,-20,-22,-25,-28,-35,-20,-20,0,-12,0,0,5,0,0,0,13,-12,-11,-20,-10,-10,0,0,0,0,0,0,5,0,0,0,0,0,0,-2,0,0,0,-8,0,-38,-22,-48,-68,-63,0,-21,-10,-14,-15,-56,-8,-7,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nc6 3. Bf4 Bg4 4. h3 (4. e3 e6 5. a3 Bd6 6. Bg3 e5 7. dxe5 Nxe5 8. Be2 Bxf3 9. Bxf3 Nf6 10. Nc3 c6 11. e4 O-O 12. exd5 Nxf3+ 13. Qxf3 {½-½ (73) Stocek,J (2574)-Plat,V (2556) Prague 2018}) 4... Bxf3 5. exf3 e6 {LiveBook: 10 Games} 6. Bb5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Bd6 7. Qd2 Nge7 8. Nc3 O-O 9. O-O $146 ({Predecessor:} 9. a3 Ng6 10. Be3 Nce7 11. h4 Nf5 {1-0 (25) Fieandt,J (2275)-Mertanen,J Jyvaskyla 1993}) 9... Ng6 10. Bxd6 Qxd6 11. Bxc6 (11. Ne2 {is more complex.} b6 12. Bd3 Nce7 13. b4 Nf5 14. a4) 11... Qxc6 12. Rfe1 Rfd8 13. f4 Qd6 14. g3 Rac8 15. Ne2 h5 16. c3 h4 17. Kg2 Ne7 18. Rad1 hxg3 19. fxg3 Qa6 20. Nc1 c5 21. Qe2 Qxe2+ 22. Nxe2 Nf5 {[#] Strongly threatening ...Ne3+.} 23. Kf3 Nd6 24. dxc5 Rxc5 25. Nd4 Ne4 26. Nb3 Rcc8 27. Nd4 Kf8 28. g4 Ke7 29. Kg2 a6 30. Nf3 b5 {With the idea ...b4!} 31. Rd4 Rc4 32. Red1 Rdc8 33. Ne5 Rxd4 34. Rxd4 $15 {[%mdl 4096] Endgame KRN-KRN} Nc5 ({Black should play} 34... f6 $15 35. Ng6+ Kd6) 35. Rd2 f6 36. Nd3 Ne4 37. Re2 Kd6 38. h4 {The position is equal.} Rh8 39. h5 a5 40. Kf3 Ke7 41. Rg2 Kd6 {Precision: White = 47%, Black = 51%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.24"]
[Round "7"]
[White "Slipak, Sergio"]
[Black "Lorenzini, Martin"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2411"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,16,31,31,31]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 O-O 7. Qc2 c5 8. cxd5 {LiveBook: 226 Games. D61: Queen's Gambit Declined: Classical: 7 Qc2} (8. Rd1 cxd4 9. Nxd4 h6 10. Bh4 Nb6 11. Be2 Bd7 12. Bxf6 Bxf6 13. cxd5 Nxd5 14. Nxd5 exd5 15. O-O Qb6 16. Bf3 Rac8 17. Qb1 {½-½ (79) Tomashevsky,E (2731)-Iordachescu,V (2584) Baku 2016}) 8... Nxd5 {Predecessor:} 9. Bxe7 $146 Qxe7 10. Nxd5 exd5 11. Bd3 g6 12. dxc5 Nxc5 13. O-O Bd7 14. Rac1 Rac8 15. Qd2 Nxd3 16. Qxd3 Rc5 17. Qa3 Rfc8 18. Nd4 Kf8 19. Ra1 a6 20. Qb4 R5c7 21. Qd2 {1-0 (47) Smirnov,A (2529)-Solomon,S (2346) Gold Coast 2018} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.24"]
[Round "7"]
[White "Pierrot, Facundo"]
[Black "Paveto, Kevin"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2389"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,60,62,58,62,62,89,79,82,83,73,27,79,80,89,73,122,49,56,25,8,10,24,-8,-8,-2,-6,0,0,-29,-3,0,0,0,0,0,0,0,0,-7,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. h3 Nbd7 7. O-O Qe8 8. Bh2 e5 9. c4 Qe7 10. Nc3 c6 11. Qc2 {LiveBook: 10 Games} Rd8 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (11... b6 12. b4 Bb7 13. c5 dxc5 14. bxc5 Ne8 15. cxb6 exd4 16. Nxd4 axb6 17. Rab1 c5 18. Bf3 cxd4 19. Bxb7 {0-1 (71) Tang,A (2466)-Shabalov,A (2563) chess.com INT 2017}) 12. Rad1 $146 ({Predecessor:} 12. b4 b6 13. a4 a5 14. bxa5 bxa5 15. Rab1 Ne8 16. Qa2 Nc7 17. Qa3 c5 18. dxe5 Nxe5 19. Nxe5 Bxe5 20. Bxe5 dxe5 {1-0 (34) Plonczak,D (2181)-Nadstoga,W (2039) Poland 2013}) 12... exd4 13. exd4 Nf8 {White is better.} 14. Rfe1 d5 15. c5 Be6 (15... Bf5 $11 16. Bd3 Bxd3 17. Qxd3 (17. Rxe7 $2 {too greedy.} Bxc2 18. Rc1 Bf5 $19) (17. Rxd3 Qd7 $14) 17... Qd7) 16. b4 a6 17. a4 N6d7 18. Bf1 (18. Bd6 $16 Qf6 19. Qd2) 18... Qf6 19. Ne5 Nxe5 20. Bxe5 Qg5 21. Qd2 Qxd2 22. Rxd2 Bh6 23. Rb2 Re8 24. f3 Nd7 25. Bg3 {The position is equal.} Bg7 26. Bf2 a5 27. Rc1 Bh6 28. Rd1 Bg7 29. Rc1 Bh6 30. Rd1 Bg7 {Precision: White = 54%, Black = 60%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.24"]
[Round "7"]
[White "Pierrot, Facundo"]
[Black "Paveto, Kevin"]
[Result "*"]
[ECO "A00"]
[WhiteElo "2389"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,18,6,29]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. h3 Nbd7 7. O-O Qe8 8. Bh2 e5 9. c4 Qe7 {LiveBook: 47 Games} {Predecessor:} 10. Nc3 $146 c6 11. c5 dxc5 12. Nxe5 Nxe5 13. Bxe5 Rd8 14. Qb3 cxd4 15. exd4 Be6 16. Bc4 Bxc4 17. Qxc4 Nd5 18. Rfe1 Qh4 {½-½ (28) Grachev,B (2654)-Mamedyarov,S (2763) Moscow 2010} *

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.25"]
[Round "8"]
[White "Real De Azua, Ernesto"]
[Black "Slipak, Sergio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2496"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,45,19,17,16,26,26,27,35,27,27,28,27,45,21,40,23,39,36,45,47,55,41,50,29,37,35,27,30,33,29,45,20,43,35,112,60]} 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Bd6 5. b3 O-O 6. Bb2 {A17: English Opening: 1...Nf6 with ...Bb4} b6 {LiveBook: 11 Games} 7. g3 $146 ({Predecessor:} 7. Qc2 c6 8. Be2 Bb7 9. cxd5 exd5 10. O-O Nbd7 11. Rac1 Re8 12. Rfd1 Nc5 13. d3 Rc8 {0-1 (59) So,W (2812)-Caruana,F (2808) Paris 2017}) 7... Qe7 8. Bg2 {White has an edge.} Ba3 9. Bxa3 Qxa3 10. cxd5 exd5 11. O-O Ba6 12. Qc1 Qd6 13. Rd1 Nc6 14. d4 Ne7 15. Qb2 c6 16. Rac1 Rfc8 17. Nb1 Bb7 18. Rc2 a5 19. Nc3 {[%cal Bb1c3,Bc3e2,Be2f4][%mdl 32]} Rab8 20. Ne2 Ne4 21. Nf4 Ba6 22. Ne5 Ng6 {[#]} (22... Ng5 $14) 23. Nexg6 {Precision: White = 68%, Black = 27%.} (23. Nfxg6 $1 $16 hxg6 24. Bxe4 dxe4 25. Rdc1) 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.25"]
[Round "8"]
[White "Sosa, Tomas"]
[Black "Perez Ponsa, Federico"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2467"]
[BlackElo "2547"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,62,14,21,18,0,53,49,64,65,77,67,104,104,102,84,78,68,93,92,76,88,91,72,91,77,87,-445,-462,-445,-429,-600,-584,-621,-641,-809,-670,-997,-983,-966,-962,-962,-884,-1869,-1709,-1577,-1484,-7608,-6960]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. c3 Nf6 6. Re1 a6 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} 7. Bc4 Bg4 8. d4 cxd4 9. cxd4 {LiveBook: 21 Games} Rc8 10. Nc3 $146 ({Predecessor:} 10. Be3 e6 11. d5 exd5 12. Bxd5 Nxd5 13. exd5 Ne5 14. Bd4 Bxf3 15. Qxf3 {½-½ (24) Howell,D (2671)-Antipov,M (2576) Gjakova 2016}) 10... e6 (10... Bxf3 $11 11. gxf3 e5) 11. d5 $14 Ne5 12. Be2 Bxf3 13. gxf3 exd5 14. f4 Ng6 15. e5 dxe5 16. fxe5 Ne4 {Threatens to win with ...Rxc3.} 17. Nxe4 dxe4 18. Qa4+ Rc6 {[#]} 19. Bxa6 $1 ({But not} 19. Qxe4 Bc5 $15) 19... Qc8 {...Qg4+ is the strong threat.} 20. Rxe4 {Hoping for Bb5.} bxa6 {[#]} 21. Bg5 $2 {[%mdl 8192]} (21. Be3 $1 $16 {is forced if you want to stay better.}) 21... Bc5 $19 {Black is clearly winning.} 22. Rc1 O-O {aiming for ...Qf5!} 23. Rc2 Rc7 24. e6 fxe6 25. Qb3 Ba7 26. Rxe6 Rxc2 27. Rc6+ Kh8 28. Rxc8 Rfxc8 29. Qb7 Bxf2+ 30. Kh1 Bd4 31. Qd7 Rf8 {Precision: White = 48%, Black = 69%.} 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.25"]
[Round "8"]
[White "Paveto, Kevin"]
[Black "Lorenzini, Martin"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2416"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,35,46,56,58,22,14,9,8,0,2,-12,-7,-13,-8,-19,4,-18,0,0,0,0,0,-19,0,-8,-11,-7,-11,-14,5,0,0,-22,0,0,0,0,0,0,0,-14,0,0,120,99,585,579,1471,1522,29987,0,29988,29989]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. a3 (5. Bc4 Bg4 6. Nge2 Nc6 7. O-O O-O-O 8. Be3 e5 9. d5 Nb4 10. Bg5 c6 11. a3 Nbxd5 12. Nxd5 cxd5 13. Bb3 h6 14. Bxf6 gxf6 15. Qe1 Qxe1 16. Rfxe1 {1-0 (49) Harikrishna,P (2744)-Ivanchuk,V (2726) Huaian 2017}) 5... c6 {LiveBook: 4 Games} 6. Bd3 {B01: Scandinavian Defence} g6 7. Nge2 $146 ({Predecessor:} 7. Nf3 Bg4 8. O-O Bg7 9. h3 Bxf3 10. Qxf3 e6 11. b4 Qb6 12. Na4 Qxd4 {1-0 (21) Roberto Morau,J (1380)-Allain,M (1300) IECC email 2010}) 7... Bg7 8. O-O {The position is equal.} O-O 9. Bf4 Nbd7 {[%cal Bb8d7,Bd7b6,Bb6d5,Bd5c3][%mdl 32]} 10. b4 Qd8 11. Re1 Re8 12. Bc4 a5 13. Rb1 axb4 14. axb4 Nb6 15. Bb3 Nbd5 16. Be5 Be6 17. b5 Nxc3 18. Nxc3 Bxb3 19. Rxb3 Qd7 20. bxc6 bxc6 21. Qf3 Ra7 22. Reb1 Rea8 23. Rb8+ Rxb8 24. Rxb8+ Ne8 25. h3 Bxe5 26. dxe5 Kg7 (26... Kf8 $1 $11 {keeps the balance.}) 27. Ne4 $36 {[%mdl 2048] White is really pushing.} Nc7 $2 {[%mdl 8192] [#]} (27... c5 $16) 28. Nf6 $1 $18 {[%mdl 512]} Ra1+ (28... exf6 29. exf6+) 29. Kh2 {Rg8+ would kill now.} exf6 30. Qxf6+ Kh6 {[#] White must now prevent ...Nd5.} 31. Rb4 $1 {Precision: White = 48%, Black = 35%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.25"]
[Round "8"]
[White "Pierrot, Facundo"]
[Black "Peralta, Fernando"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2389"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,110,0,0,-25,-25,-20,-19,-17,-15,-10,-3,-66,-18,-58,-55,-54,-44,-59,-44,-59,-57,-85,-58,-55,-39,-43,-44,-43,-53,-67,-80,-73,-74,-71,-79,-91,-99,-163,-172,-160,-167,-179,-151,-142,-122,-121,-122,-122,-122,-121,-118,-167,-156,-202,-194,-210,-129,-135,-131,-147,-125,-132,-133,-133,-136,-162,-158,-195,-145,-176,-155,-207,-141,-108,-112,-166,-165,-185,-182,-230,-230,-355,-352,-328,-210,-209,-222,-216,-120,-1208,-1206]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O a6 7. a4 Nc6 8. d5 {B08: Pirc Defence: Classical System} (8. h3 e6 9. Be3 b6 10. e5 dxe5 11. Nxe5 Bb7 12. Bf3 Nd5 13. Nxd5 exd5 14. Nxc6 Bxc6 15. a5 b5 16. Qd2 Re8 17. Bf4 Bb7 {½-½ (30) Svidler,P (2760)-Dubov,D (2701) Moscow 2018}) 8... Nb4 9. a5 e6 10. Ra4 c5 11. dxc6 Nxc6 {LiveBook: 4 Games} 12. Bf4 d5 13. exd5 exd5 14. Qc1 $146 ({Predecessor:} 14. Bg5 h6 15. Be3 Nxa5 {½-½ (54) Rodin,D (2363)-Paravyan,D (2497) Sochi 2016}) 14... Re8 15. Rd1 Nxa5 16. Bh6 (16. Bg5 $11 Bd7 17. Rad4) 16... Nc6 17. Bxg7 Kxg7 18. h3 Be6 19. Bd3 Qe7 20. Ne2 Bf5 21. Ng3 Bxd3 22. Rxd3 h6 23. Rh4 Rh8 24. Rf4 Rae8 25. b3 Ne5 26. Re3 Nxf3+ 27. Rfxf3 Qd6 28. Qb2 d4 29. Rd3 (29. Re2 $17) 29... Re1+ $19 30. Nf1 Rd8 $36 {[%mdl 2048] Black is on the roll.} 31. c3 {[%cal Rd3d4]} Qc6 32. Qd2 Qe4 33. cxd4 Nd5 {...Rb1 is the strong threat.} 34. Rde3 {[#]} Rxf1+ $1 {[%mdl 512]} 35. Kxf1 Nxe3+ 36. fxe3 $17 {[%mdl 4096] Endgame [#] KQR-KQR} Qb1+ $1 37. Qe1 Qxb3 38. Qh4 Qb1+ 39. Kf2 {Qf6+ would kill now.} Qc2+ 40. Kg1 {Intending Qf6+ and mate.} Qc1+ 41. Kf2 {Threatening mate with Qf6+.} Qc7 42. Qf6+ Kg8 43. e4 Re8 44. e5 Qd7 45. Rd3 {intending d5.} Qd5 46. Qf4 (46. Qf3 $17 {keeps fighting.} Qc4 47. Rd1) 46... h5 47. Qf3 Qc4 48. Qe3 (48. Kg1 $17) 48... Rd8 $19 49. Qd2 Qd5 50. Qb4 b5 ({Resist} 50... Qe4 51. Qd2 $17) 51. Qa5 (51. Qc3 $142) 51... Rc8 {Strongly threatening ...Rc2+.} 52. Rd2 Rc1 53. Qa3 Qc4 {Threatens to win with ...Qf1+.} 54. Qd3 a5 (54... Qxd3 $19 55. Rxd3 b4) 55. d5 $2 {[%mdl 8192]} (55. Qxc4 $17 Rxc4 56. Ke3) 55... Qf4+ {Precision: White = 48%, Black = 66%.} 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.25"]
[Round "8"]
[White "Benedetti, Julio"]
[Black "Acosta, Pablo Ismael"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2364"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,136,10,16,64,75,64,49,99,88,152,140,139,120,206,187,215,118,96,-15,-19,0,0,-13,-17,-242,-239,-539,-187,-170,-112,-111,-117,-91,0,0,49,0,0,0,0,0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0,-10,0,0,0,0,0,0,0,-20,-20,-24,-21,-20,-2,-193,0,-47,-50,-61,-43,-47,-37,-35,-35,-41,-55,-237,-199,-215,0,0,0,0,0,-170,-167,-292,-272,-284,-190,-218,-50,-404,-410,-10866,-5085,-1510,-1332,-29973,-29973,-29979,-29978,-29986,-29986,-29986,-29987,-29987,-29988,-29988,-29988,-29989,-29990]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. O-O-O Bb4 9. f3 Ne5 10. g4 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} (10. Nb3 b5 11. Qf2 Be7 12. g4 d6 13. Rg1 Rb8 14. g5 Nfd7 15. f4 b4 16. Ne2 Nc4 17. Ng3 Nxe3 18. Qxe3 Qb6 19. Qxb6 Rxb6 {½-½ (52) Dominguez Perez,L (2732)-Vachier Lagrave,M (2758) Berlin 2015}) 10... h6 11. h4 {[%cal Bh2h4,Bh4g5][%mdl 32] LiveBook: 6 Games} d6 $146 ({Predecessor:} 11... d5 12. g5 hxg5 13. hxg5 Rxh1 14. gxf6 gxf6 15. exd5 Bxc3 16. bxc3 Nc4 17. Bxc4 Rxd1+ 18. Qxd1 Qxc4 {0-1 (56) Vykouk,J (2435)-Pavlidis,A (2539) Katowice 2017}) 12. Be2 {White is slightly better.} Bd7 13. g5 hxg5 14. hxg5 Rxh1 (14... Nh5 $142) 15. Rxh1 $16 Ng8 16. Rh7 g6 (16... Ng6 $16) 17. Nb3 $1 $18 Bb5 18. Bxb5+ ({Better is} 18. f4 $18 Bxc3 19. bxc3) 18... axb5 $16 19. Qd4 ({White should try} 19. Bd4 $1 $16) 19... Bxc3 $1 $11 20. bxc3 Ra4 21. Qd2 Nc4 22. Qd3 $2 (22. Qe1 $11) 22... Rxa2 $19 23. f4 $2 (23. Bd2 {was worth a try.}) 23... Qc6 $2 (23... b6 24. Kb1 Rb2+ 25. Kc1 Qa7) 24. Qd4 Qa6 (24... e5 $19 25. fxe5 dxe5) 25. Kd1 $17 e5 26. fxe5 dxe5 ({Black should play} 26... Ra4 $1 $17 27. e6 Nb2+ 28. Ke1 Rxd4 29. exf7+ Kf8 30. Nxd4 Qa1+ 31. Kf2 Nd1+ 32. Kg3 Qa2) 27. Qc5 $11 {White wants to mate with Qc8+.} Nxe3+ 28. Qxe3 {Threatens to win with Qc5.} (28. Ke2 $5 {[%cal Rc5c8]} Rxc2+ 29. Kxe3 $14) 28... Qd6+ 29. Kc1 Qa3+ 30. Kd1 Qb2 31. Qd2 Ra8 32. Rh8 Ke7 33. Nc5 {White threatens Qd7+ and mate.} Rd8 34. Nd3 Qa1+ 35. Ke2 $1 Kf8 36. Rh7 Rd6 37. Kf2 Ne7 38. Kg2 $1 Nc6 39. Qf2 {[%csl Gh7][%cal Rf2f7]} Qa2 $36 {[%mdl 2048] Black fights for an advantage.} 40. Rh8+ Ke7 $1 {White must now prevent ...Qc4.} 41. Rc8 Qc4 42. Qf3 Qxc3 43. Rc7+ Kd8 44. Rxb7 Qd2+ 45. Kh3 $2 (45. Kh1 $1 $11 {and White stays safe.}) 45... Nd4 $2 ({Not} 45... Qxg5 46. Qxf7 Qe3+ 47. Kh2 $11) (45... Qxc2 $19 46. Nf2 Kc8 47. Rxf7 b4) 46. Qg3 Qxc2 {...Qc8+ is the strong threat.} 47. Nxe5 Qc8+ 48. Ng4 $1 Qxb7 49. Qxd6+ Qd7 50. Qb8+ Ke7 51. Qe5+ $2 (51. Qb6 $1 $15) 51... Ne6 $1 $19 52. Qf6+ Ke8 $2 (52... Kd6 $1 $19 {Strongly threatening ...Kc5.} 53. Kh4 Kc5) 53. Qh8+ $11 Nf8 54. Kh4 Qd6 55. Qc3 $2 (55. Nf6+ $11 Kd8 56. Qg8) 55... Nd7 $1 $19 56. e5 (56. Nf6+ {was called for.} Nxf6 57. gxf6 Qf4+ 58. Kh3) 56... Qd5 57. Qc7 Qc4 58. Qd6 {[#]} b4 $2 (58... Kd8 $1 $19 {aiming for ...b4.} 59. Kg3 Qc5) 59. Kh3 $2 {[%mdl 8192] [#]} (59. Kg3 $1 $15) 59... b3 $1 60. Nf6+ (60. Kg3 $142 b2 61. Nf6+ Nxf6 62. Qb8+ Kd7 63. Qb7+ Ke6 64. Qb6+ Kd5 65. Qb7+ Kc5 66. Qxb2 Qd3+ 67. Kg2) 60... Nxf6 61. Qb8+ Kd7 62. gxf6 {[%mdl 4096] Endgame KQ-KQ} Ke6 {Black mates.} 63. Kg3 Kf5 64. Kh3 Qc3+ 65. Kg2 Qc2+ 66. Kf3 b2 67. e6 Qe4+ 68. Kg3 b1=Q {Precision: White = 41%, Black = 49%.} 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.25"]
[Round "8"]
[White "Gomez, Carlos David"]
[Black "Villanueva, Mario"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2356"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,53,0,0,0,19,0,0,-20,-17,-13,-24,-13,-13,-23,-20,-25,-17,-18,-10,-27,-27,-31,-27,-64,-22,-33,-8,-8,60,44,50,56,52,67,72,42]} 1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 c5 6. Ne2 Nc6 {C01: French: Exchange Variation} 7. Be3 cxd4 (7... Nd5 8. Bxd5 Qxd5 9. Nbc3 Qxg2 10. Rg1 Qf3 11. Nb5 Rb8 12. dxc5 Bd7 13. Nc7+ Kd8 14. Nb5 {0-1 (54) Kramnik,V (2808)-Caruana,F (2808) Stavanger 2017}) 8. Nxd4 Ne5 9. Nc3 a6 10. Qe2 Nxf3+ {LiveBook: 8 Games} 11. Qxf3 e5 12. Nb3 Bb4 13. Bg5 O-O $146 ({Predecessor:} 13... Qd5 14. Qxd5 Bxc3+ {1-0 (60) Pruijssers,R (2496)-Pijpers,A (2445) Leiden 2017}) 14. O-O {And now Rfd1 would win.} Bxc3 $1 15. Qxc3 Ne4 16. Bxd8 Nxc3 17. Ba5 Na4 18. Bb4 Rd8 19. Ba3 Be6 20. Rfd1 f6 21. Kf1 Kf7 22. Na5 b6 23. Nb7 Rd7 (23... Rdb8 $11 24. Nd6+ Kg8) 24. Rxd7+ $14 Bxd7 25. Rd1 Bb5+ 26. Ke1 $1 Kg6 27. Nd6 {Precision: White = 59%, Black = 62%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.25"]
[Round "8"]
[White "Lujan, Carolina"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2329"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,68,-6,-4,0,-19,0,-1,2,-38,-27,-51,-39,-68,-57,-81,-26,-120,-24,-85,-89,-111,-94,-127,-54,-54,-58,-60,-52,-55,-50,-47,-52,-106,-161,-150,-142,-168,-128,-127,-139,-239,-249,-393,-372,-851,-735,-29981,-29981,-29981,-29982,-29982,-29983,-29981,-29982,-1145,-1098]} 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O e5 6. d3 Nge7 7. Nbc3 d6 8. a3 {LiveBook: 11 Partien} h5 {[%cal Bh7h5,Bh5h4][%mdl 32] B25: Sizilianisch (Geschlossenes System)} (8... O-O 9. Rb1 h6 10. b4 b6 11. Be3 Nd4 12. Qd2 Kh7 13. f4 Be6 14. bxc5 dxc5 15. fxe5 g5 16. Nc1 {0-1 (27) Eljanov,P (2716)-Najer,E (2663) Netanya 2009}) 9. h3 Be6 $146 ({Vorgänger:} 9... Nd4 10. Be3 Be6 11. Nd5 Nxd5 12. exd5 Bd7 13. Bxd4 cxd4 14. c4 {0-1 (31) Debashish,D (2127)-Ly,M (2369) Chennai 2011}) 10. Nd5 Qd7 {Die Stellung ist ausgeglichen.} 11. Kh2 h4 12. g4 f5 13. Nxe7 Nxe7 14. f3 d5 (14... f4 $17) 15. Ng1 (15. Bg5 $11 {hält das Gleichgewicht.}) 15... Rd8 (15... f4 $17 16. b4 cxb4 17. axb4 d4) 16. Qe2 (16. Bg5 $11) 16... f4 $17 17. b4 c4 18. Bb2 dxe4 (18... cxd3 $17 19. cxd3 Kf7) 19. fxe4 cxd3 20. cxd3 Qxd3 21. Qxd3 Rxd3 22. Nf3 Nc6 23. b5 {[#]} (23. Rac1 $15) 23... Nd4 $1 24. Bxd4 exd4 25. Rfd1 Rc3 26. Nxd4 Bc4 {Und ...Tf8 würde nun gewinnen.} 27. Rab1 (27. e5 $17 {war angesagt.} Bxe5 28. Nf3) 27... O-O $19 ({Nicht} 27... Rxa3 28. Rbc1 $15) 28. Rb4 (28. a4 $142) 28... f3 {[#] ( -> ...Le5+)} 29. Bf1 $2 (29. Rxc4 Be5+ 30. Kg1 f2+ 31. Kf1 Rxc4 32. Ne6) 29... Be2 30. Re1 Be5+ 31. Kh1 f2 32. Rxe2 Rg3 {[%csl Gf2][%cal Rg3g1]} 33. Rxf2 Rxf2 34. Bc4+ Kh8 {Precision: Weiß = 33%, Schwarz = 65%.} 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.26"]
[Round "9"]
[White "Pichot, Alan"]
[Black "Sosa, Tomas"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2564"]
[BlackElo "2467"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,141,25,19,9,18,18,37,37,28,33,39,45,63,57,45,50,63,53,48,52,61,50,61,47,69,56,67,60,61,64,73,25,83,87,112,110,112,90,97,106,86,63,81,90,87,83,80,70,71,42,105,55,55,55,55,55,55,58,88,65,74,62,64,70,70,70,70,70,79,79,100,99,98,87,101,99,99,95,86,49,129,111,289,296,296,290,421,421,409,403,1295,1303,2152,2408,1915,1828,4134,2417,5110,4752,29973,29976,29976,29977,5189,6099,29982,29983,29983,29984,29984,29985,29987,29987]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Bb7 10. d4 Nd7 11. Nbd2 exd4 {C92: Closed Ruy Lopez: 9...Be6, Karpov and Flohr-Zaitsev Variations} 12. cxd4 Bf6 13. Nf1 Re8 14. Ng3 Na5 {[%cal Bc6a5,Ba5c4,Bc4b2][%mdl 32]} 15. Bc2 g6 $1 {LiveBook: 71 Games} 16. Bh6 (16. Rb1 c5 17. d5 Nc4 18. b3 Ncb6 19. Nh2 {1-0 (46) Vachier Lagrave,M (2789)-Borisek,J (2576) chess.com INT 2018}) 16... Nc4 17. a4 {[#]} Nxb2 $146 ({Predecessor:} 17... bxa4 18. b3 axb3 19. Bxb3 {½-½ (58) Fenes,L (2523)-Vesely,P (2581) ICCF email 2016}) 18. Qb1 Nc4 19. axb5 axb5 20. Qxb5 Rxa1 21. Rxa1 Ncb6 $1 22. Ra7 Qb8 23. Ra3 c6 24. Qb1 Qc7 25. Bf4 c5 26. d5 Ra8 27. Rxa8+ Bxa8 28. Nf1 Bb7 29. Qb5 c4 30. Ne3 c3 (30... Qc5 $11 31. Qxc5 dxc5) 31. Qb4 Nc5 32. Nd4 Na6 {[#]} 33. Qb5 $1 {[%cal Rb5e8] Threatening mate with Qe8+.} Nd7 ({Avoid the trap} 33... Bxd4 $2 34. Qe8+ Kg7 35. Ng4 $18) 34. Nc6 {And now Ng4 would win.} Nac5 35. Qa5 Qxa5 36. Nxa5 Ne5 37. Nxb7 Nxb7 38. Kf1 Kf8 39. Bg3 Na5 (39... Nc5 $14) 40. Bxe5 Bxe5 $16 {[%mdl 4096] Endgame KBN-KBN} 41. Ke2 Nb7 42. Kd3 Nc5+ 43. Kc4 Ke7 44. Nd1 h5 45. Nxc3 h4 46. Ne2 Nd7 47. f4 Bg7 48. Kd3 Bh6 49. Ke3 g5 50. Kf3 gxf4 51. Kg4 ({Don't go for} 51. Nxf4 $2 Ne5+ 52. Ke3 Kf6 $19) 51... Kf6 52. Kxh4 Ke5 53. Kh5 Bf8 54. Kg5 Be7+ (54... Nf6 $14) 55. Kg4 f5+ $2 (55... Nb6 $16) 56. exf5 $18 Nf6+ 57. Kf3 Nxd5 (57... Nh5 {was worth a try.} 58. h4 Bd8) 58. Be4 Nf6 59. Nxf4 {[#] Hoping for Ng6+.} Nxe4 (59... Bd8 $142 60. Ng6+ Kd4) 60. Ng6+ Kxf5 61. Nxe7+ {KN-KN} Ke5 62. Ng6+ Kd5 63. Kf4 Nf6 64. Kf5 Ng8 65. g4 Nh6+ 66. Kf6 Ke4 67. Ne7 Ng8+ 68. Nxg8 {White mates.} d5 69. Ke6 d4 70. Nf6+ Kf3 71. Kf5 {Precision: White = 74%, Black = 46%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.26"]
[Round "9"]
[White "Peralta, Fernando"]
[Black "Paveto, Kevin"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2563"]
[BlackElo "2416"]
[Annotator "ChessBase"]
[PlyCount "77"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O 9. O-O Nc6 10. Be3 Bg4 11. f3 Bd7 12. Rb1 Qc7 13. d5 Na5 14. Bd3 e6 15. c4 b5 16. cxb5 exd5 17. exd5 Rfe8 18. Bf2 c4 19. d6 Qxd6 20. Be4 Qxd1 21. Rbxd1 Bxb5 22. Bxa8 c3 23. Rfe1 Bxe2 24. Rc1 Bh6 25. Rxc3 Bd2 26. Rxe2 Rxe2 27. Rc2 Re8 28. Be4 Rd8 29. g4 a6 30. Kf1 Rd7 31. Bb6 Rd6 32. Bc7 Rd7 33. Be5 Bb4 34. Rc8+ Bf8 35. Bc3 Nb7 36. Bc6 Rd1+ 37. Ke2 Rb1 38. Rb8 Rc1 39. Bd2 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.26"]
[Round "9"]
[White "Perez Ponsa, Federico"]
[Black "Benedetti, Julio"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2547"]
[BlackElo "2364"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,51,55,54,264,278,371,365,384,383,364,362,336,299,439,441,505,514,563,517,692,700,714,699,739,713,731,729,688,579,581,575,567,556,560,395,2429,2235,29987,1675,29988,29989,29993,29994]} 1. e4 {[%cal Be2e4,Be4e5,Be5e6][%mdl 32]} Nf6 2. e5 Nd5 3. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} d6 4. Nf3 Nc6 5. c4 Nb6 6. e6 {LiveBook: 144 Games. B04: Alekhine's Defence: 4 Nf3} (6. exd6 exd6 7. Be2 Be7 8. O-O O-O 9. h3 Bf6 10. Nc3 Re8 11. Re1 Bf5 12. a3 d5 13. c5 Nc8 14. Bf4 N8e7 15. Bf1 Qd7 16. b4 Ng6 17. Rxe8+ Rxe8 18. Bg3 Be4 {0-1 (60) Grigoriants,S (2576)-Nakamura,H (2786) chess.com INT 2017}) 6... f6 $2 {[#]} (6... fxe6 $14 7. h4 e5) 7. d5 $18 Ne5 8. Nc3 {White is winning.} c6 9. Nxe5 dxe5 10. Bd3 {[#] Intending Qh5+ and mate.} g6 11. h4 $146 {[%cal Bh2h4,Bh4h5,Bh5g6,Bg6h7][%mdl 32]} ({Predecessor:} 11. Qg4 Qd6 12. Be3 cxd5 13. cxd5 f5 14. Bxf5 gxf5 15. Qxf5 Nxd5 {1-0 (37) Srvatka,I-Sedmak,S Slovakia 2000}) 11... Qc7 (11... Bg7 $142 12. h5 cxd5) 12. h5 e4 13. Be2 Qe5 14. hxg6 f5 15. gxh7 Bg7 16. g3 Bxe6 17. Bf4 Qf6 18. dxe6 Qxe6 19. Qd2 Nxc4 20. Bxc4 Qxc4 21. O-O-O Kf7 22. Qe2 Qc5 $2 (22... Qxe2 23. Nxe2 Rad8) 23. Qh5+ Ke6 24. Qg6+ Bf6 25. g4 fxg4 26. Rhe1 {Precision: White = 88%, Black = 31%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.26"]
[Round "9"]
[White "Villanueva, Mario"]
[Black "Pierrot, Facundo"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2481"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,67,32,33,30,29,35,18,43,20,31,27,40,41,34,22,27,22,22,22,22,22,34,34,34,35,41,27,27,27,27,22,47,22,22,22,23,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nc6 8. Qd2 Be6 9. O-O-O {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Bf6 10. Kb1 Qd7 11. h4 h6 12. Nd4 Nxd4 13. Bxd4 {LiveBook: 6 Games} Bxd4 14. Qxd4 O-O 15. Rg1 Qe7 16. Bd3 Rfe8 {[#]} 17. Rde1 $146 Qf6 18. Qxf6 gxf6 19. Re3 Bd7 20. Be4 Rab8 21. Rge1 b6 22. Kc1 Kf8 23. Kd2 Re5 24. f4 Re7 25. Bf3 Rxe3 26. Rxe3 $11 {[%mdl 4096] Endgame KRB-KRB} f5 27. c4 Re8 28. Ra3 a5 29. Rd3 Ke7 30. c3 Be6 {The position is equal.} 31. b3 Rg8 32. Ke3 Kd7 33. Rd1 c6 34. a4 {Precision: White = 74%, Black = 74%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.26"]
[Round "9"]
[White "Acosta, Pablo Ismael"]
[Black "Gomez, Carlos David"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2432"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,109,-10,-8,-14,-10,-10,20,25,25,27,31,27,25,36,27,18,31,24,26,26,44,0,33,26,27,18,31,25,23,23,62,52,82,58,56,56,93,89,103,85,170,175,203,203,203,203,227,224,225,222,222,212,243,238,273,266,265,259,287,283,279,281,474,285,461,301,302,271,549,516,535,544,460,528,540,533,474,513,536,560,551,552,519,501,592,555,1260,1317,2189,2093,1916,1713,2171,11793,12832,9950,12843,12843]} 1. Nf3 d5 2. c4 d4 3. g3 Nc6 4. Bg2 e5 5. O-O Bg4 (5... Nf6 6. d3 a5 7. Na3 Bc5 8. Nb5 O-O 9. Bg5 Be7 10. e3 dxe3 11. Bxe3 Bf5 12. d4 exd4 13. Nfxd4 Nxd4 14. Nxd4 Be4 15. Bxe4 Nxe4 {1-0 (53) Topalov,V (2761)-Giri,A (2782) Leuven 2016}) 6. h3 {A09: Réti Opening: 1 Nf3 d5 2 c4} Bf5 7. d3 Nf6 {LiveBook: 3 Games} 8. b4 {The position is equal.} Bxb4 9. Qa4 $146 {Hoping for Nh4.} ({Predecessor:} 9. Qb3 Bd6 10. Qxb7 Na5 11. Qa6 c6 12. Bd2 Bc7 13. Bxa5 Bxa5 14. Nxe5 {1-0 (30) Habibi,A (2293)-Galambos,M (1913) Paks 2009}) 9... Bd6 {[#]} 10. c5 $1 {[%cal Rc5d6][%mdl 512]} Bxc5 {And now ...0-0 would win.} 11. Nxe5 O-O 12. Nxc6 bxc6 13. Qxc6 Qe7 14. Bg5 Bd6 15. Qf3 Qe6 16. Nd2 Nd7 17. Qd5 Rab8 18. g4 Qxd5 19. Bxd5 Be6 20. Bxe6 fxe6 21. Nc4 Bb4 22. Rab1 Rb5 23. a3 {Black must now prevent Bh4.} Rxg5 24. Rxb4 h5 25. f3 hxg4 26. fxg4 Nf6 (26... Rc8 $16) 27. Rb7 $18 Rf7 28. Rxa7 Nxg4 {( -> ...Ne3+)} 29. Rxf7 ({Don't play} 29. Ra8+ Kh7 $16) 29... Nh6+ 30. Kf2 Nxf7 31. Rxc7 {[%mdl 4096] Endgame KRN-KRN} Ne5 32. Nd6 Rh5 33. Kg3 Rg5+ 34. Kf4 Rh5 35. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Ng6+ {[#]} 36. Kg4 $1 {[%cal Rg4h5]} Ra5 37. h5 Nf8 $2 (37... Ne5+ 38. Kf4 Rd5) 38. Nc4 Ra6 $2 (38... Ra8 39. Rc6 Kf7 40. Rc7+ Kg8) 39. Kf4 Ra8 40. Ke4 Rd8 $2 (40... Nh7 41. Kxd4 Nf6) 41. a4 {White is clearly winning.} Nh7 42. a5 Nf6+ 43. Ke5 Ra8 44. Kxd4 Nxh5 45. Kc5 Nf4 46. Kc6 Nd5 47. Rd7 g5 48. e4 Nb4+ 49. Kb5 Rb8+ 50. Nb6 Nc2 51. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} g4 52. a7 {[%cal Ra7b8]} Rf8 53. Rc7 Nd4+ 54. Kc4 g3 55. Kxd4 {Precision: White = 75%, Black = 37%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.26"]
[Round "9"]
[White "Lorenzini, Martin"]
[Black "Real De Azua, Ernesto"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2423"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,19,4,7]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 Nd7 9. Bd3 Bxd3 10. Qxd3 {LiveBook: 6578 Games} {Predecessor:} e6 $146 11. Bd2 Bd6 12. O-O-O Ngf6 13. Kb1 Bc7 14. Nf1 b5 15. Ne3 Nb6 16. Rde1 Qd7 17. Rh4 O-O-O 18. Ba5 Rhe8 19. Rc1 Nfd5 20. Ne5 Qe7 {1-0 (40) Saric,I (2669)-Riazantsev,A (2650) Riadh 2017} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.26"]
[Round "9"]
[White "Slipak, Sergio"]
[Black "Lujan, Carolina"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2411"]
[BlackElo "2329"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,41,-4,-11,0,23,36,0,0,0,11,0,18,0,26,-13,-16,-12,-8,-19,-19,-19,48,-9,-12,-27]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. d3 (5. e4 Nxc3 6. dxc3 Qxd1+ 7. Kxd1 f6 8. Be3 e5 9. Nd2 Nd7 10. Nb3 h5 11. f3 Nb6 12. Kc2 Bd7 13. Nc5 Bc6 14. b3 Bh6 15. Bxh6 Rxh6 16. a4 Ke7 17. Bb5 {½-½ (38) So,W (2778)-Aronian,L (2764) Leuven 2018}) 5... Nxc3 6. bxc3 {A16: English Opening: 1...Nf6 with ...d5} Bg7 7. Bd2 c5 8. g3 Nc6 9. Bg2 O-O 10. Qc1 {LiveBook: 9 Games} Re8 11. Bh6 Bh8 12. h4 $146 ({Predecessor:} 12. O-O Qa5 {1-0 (36) Heberla,B (2528)-Oral,T (2506) Czech Republic 2015}) 12... Qa5 13. Bd2 h5 14. Ng5 Qc7 15. a4 Rb8 16. Ne4 Na5 {Hoping for ...Nb3.} 17. Rb1 c4 18. Bf4 e5 $1 {[%cal Re5f4]} 19. Bg5 Re6 (19... b6 $11) 20. O-O (20. g4 $14) 20... b6 $1 $11 21. Qc2 {Precision: White = 27%, Black = 54%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.27"]
[Round "10"]
[White "Peralta, Fernando"]
[Black "Villanueva, Mario"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2563"]
[BlackElo "2481"]
[Annotator "ChessBase"]
[PlyCount "69"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 Nf6 6. Bd3 dxc4 7. Bxc4 Qc7 8. Qe2 O-O 9. O-O Bd7 10. Rd1 Bxc3 11. bxc3 Ba4 12. Bb3 Bxb3 13. axb3 cxd4 14. Nxd4 Nc6 15. Nxc6 Qxc6 16. c4 a6 17. Bb2 Rfd8 18. Bxf6 gxf6 19. Qg4+ Kh8 20. Qh4 e5 21. Rd5 Rxd5 22. cxd5 Qxd5 23. Qxf6+ Kg8 24. h3 Re8 25. Ra4 e4 26. Rb4 Re6 27. Qf4 h6 28. Qb8+ Kg7 29. Rxb7 Rf6 30. Re7 Qd1+ 31. Kh2 Rxf2 32. Qg3+ Kf8 33. Rb7 Rf1 34. Rb8+ Ke7 35. Qe5+ 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.27"]
[Round "10"]
[White "Sosa, Tomas"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2467"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,67,21,10,48,54,47,40,40,26,160,159,141,139,178,180,214,172,234,187,288,272,332,320,338,347,347,336,354,360,370,366,382,385,435,423,539,527,535,590,697,411,862,681,697,687,857,854,948,734,1780,1765,1765,1747,1633,1580,1316,1308]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 Nc6 5. h3 g6 6. Be3 {B07: Pirc-Ufimzew-Verteidigung} Bg7 7. g4 {LiveBook: 3 Partien} (7. g3 d5 8. Bg2 Nxe4 9. dxe5 Nxc3 10. Nxc3 O-O 11. Qxd5 Bxe5 12. O-O-O Qf6 {½-½ (37) Danin,A (2559)-Onischuk,V (2610) Dresden 2017}) 7... d5 8. dxe5 {Weiß steht etwas besser.} Nxe5 {[%cal Re5f3] [#]} 9. Bg2 {[%cal Re4d5]} Nc4 10. Bd4 $146 {Und b3 würde nun gewinnen.} ({Vorgänger:} 10. exd5 Nxe3 11. fxe3 h5 12. g5 Nd7 {0-1 (33) Rosandic,D (2256)-Sulava,N (2481) Bol 2013}) 10... O-O (10... dxe4 $11 {bleibt in der Remisbreite.} 11. g5 (11. Nxe4 O-O $11) 11... Nh5) 11. b3 $16 ({Viel schlechter ist} 11. exd5 $6 Nxb2 12. Qc1 Nc4 $14) ({Natürlich nicht} 11. Nxd5 $6 Nxd5 12. exd5 Nxb2 $11) 11... Nb6 12. exd5 Re8 {[#]} 13. Qd2 $1 Bd7 14. O-O Qc8 (14... c6 $142 15. d6 Be6) 15. Qf4 Rxe2 (15... Qd8 {war angesagt.} 16. Rae1 c6) 16. Nxe2 $18 Nfxd5 17. Qd2 Bxd4 18. Qxd4 ({Viel schwächer ist} 18. Nxd4 c5 $18) 18... c5 19. Qd2 Bc6 20. Rfe1 Nb4 21. Rad1 Bxg2 22. Kxg2 Qc6+ 23. f3 a5 24. c3 {[%cal Bc2c3,Bc3c4][%mdl 32]} Na6 25. Qg5 f6 26. Qf4 Nd5 (26... Nc7 $142 27. c4 Ne6) 27. Qd2 {Weiß steht klar auf Gewinn.} Nac7 28. c4 Nb4 29. a3 Nba6 30. Nf4 Re8 31. Rxe8+ Qxe8 32. Re1 Qf8 33. Qd7 f5 34. Ne6 {Precision: Weiß = 84%, Schwarz = 23%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.27"]
[Round "10"]
[White "Paveto, Kevin"]
[Black "Real De Azua, Ernesto"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2416"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,73,18,66,-12,0,0,40,18,85,65,66,61,39,24,16,44,59,66,57,0,0,0,0,11,3,0,0,0,0,-31,-27,-28,-28,-30,-22,-28,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0]} 1. e4 c6 {[%cal Bc7c6,Bc6c5][%mdl 32]} 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O c5 7. Na3 {B12: Caro-Kann: Advance Variation} (7. c4 Nbc6 8. dxc5 d4 9. Qb3 Qc7 10. Na3 a6 11. Rd1 Rd8 12. Nc2 Bxc2 13. Qxc2 Ng6 14. a3 Bxc5 15. b4 Ba7 {0-1 (55) Vachier Lagrave,M (2789)-Anand,V (2759) Leuven 2018}) 7... Nec6 8. c4 dxc4 {[%cal Rc5d4] LiveBook: 12 Games} 9. Nxc4 ({Better is} 9. dxc5 $14 Nd7 10. Nxc4) 9... cxd4 {[#] White must now prevent ...d3.} 10. Qb3 Nd7 $146 (10... d3 {is interesting.} 11. Rd1 Nd7 12. Bf1 Nc5 13. Qc3 Na4) ({Predecessor:} 10... Qd7 11. Rd1 Bc5 12. Qb5 b6 13. Nd6+ Bxd6 14. exd6 O-O 15. Nxd4 Nxd4 16. Rxd4 {1-0 (30) Chernov,V (2417)-Lares,H (1989) Lambsheim 2017}) 11. Qxb7 Qc8 (11... Rc8 $11 {keeps the balance.}) 12. Qxc8+ $16 Rxc8 13. Rd1 $1 Bc5 14. Bf4 O-O 15. Rac1 Be4 16. a3 a5 17. Nfd2 Bd5 18. Nb3 Rb8 19. Nxc5 Nxc5 20. Nxa5 Nxa5 21. Rxc5 Rxb2 22. Bf3 Nb3 23. Rb5 Bxf3 24. gxf3 h6 25. a4 g5 26. Rd3 $1 {The position is equal.} gxf4 27. Rbxb3 Rxb3 28. Rxb3 $11 {[%mdl 4096] Endgame KR-KR} Ra8 29. Rb4 d3 30. Kf1 Rc8 {[#] Hoping for ...Rc1+.} 31. Ke1 Rc2 32. Rxf4 Re2+ 33. Kf1 Ra2 {Threatens to win with ...Ra1+.} 34. Ke1 Re2+ 35. Kd1 Rxf2 36. h4 h5 37. Rd4 {Precision: White = 67%, Black = 57%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.27"]
[Round "10"]
[White "Pierrot, Facundo"]
[Black "Acosta, Pablo Ismael"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2389"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,112,24,72,31,43,54,81,39,38,38,35,38,42,37,36,40,40,32,41,39,43,45,71,71,70,77,54,51,50,28,28,28,56,56,59,56,50,75,112,18,79,59,53,0,0,-29,-34,-14,-26,-43,-43,-43,0,-43,0,0,0,-106,-106,-91,-8,-102,-56,-121,-120,-166,-114,-149,-144,-184,-184,-184,-134,-152,-111,-181,-106,-130,-111,-168,-156,-214,-225,-206,-184,-223,-155,-238,-223,-237,-243,-977,-991]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 a6 5. cxd5 exd5 6. Bg5 Be7 7. e3 Nbd7 8. Bd3 b6 9. O-O O-O 10. Rc1 Bb7 11. Qc2 Re8 {LiveBook: 8 Games. D55: Queen's Gambit Declined: 4 Bg5 Be7: Lines without ...h6 and 6...h6 7 Bxf6} 12. Ne5 Nf8 13. Rfd1 g6 $146 {White is slightly better.} ({Predecessor:} 13... N6d7 14. Bf4 Bd6 15. Nxd7 Qxd7 16. Ne2 Bxf4 17. Nxf4 Re7 18. a4 Qd6 {1-0 (66) Murali Krishnan,B (2407)-Ramnathan,B (2277) Mumbai 2009}) 14. Be2 Ne6 15. Bh4 Nd7 16. Bxe7 Qxe7 17. Nxd7 Qxd7 18. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Re7 19. a4 f5 20. Bf1 Qd6 21. b5 a5 22. g3 Rf8 23. Bg2 g5 24. Qb3 {[%cal Rc3d5]} Rd8 25. f4 g4 26. Rd3 Ng7 27. Nd1 Ne8 28. Rdc3 h5 29. Nf2 h4 30. gxh4 (30. e4 $1 $16) 30... Qh6 (30... Qe6 $11) 31. Qc2 Bc8 32. Nh1 (32. Rc6 $14 Qxh4 33. Rg6+ Kh8 34. Nd3) 32... Qxh4 $11 33. Qf2 Qh7 34. Ng3 Kf8 35. Qa2 Bb7 36. Qc2 Rf7 37. Kf2 (37. h3 $5) 37... Rdd7 38. Rh1 {Black should prevent h3.} Qh4 39. Rc1 (39. h3 $11 {remains equal.} Nf6 40. Qxf5) 39... Nd6 $17 40. Kg1 Rde7 ({Better is} 40... Ne4 $17 41. Bxe4 dxe4) 41. Qf2 (41. Qa2 $1 $11 {keeps the balance.}) 41... Qh6 42. Ne2 (42. Rc6 $15) 42... Rh7 43. Qg3 Qe6 ({Black should try} 43... Ke8 $19 44. R1c2 Kd8) 44. Re1 Reg7 45. Qf2 Qh6 46. Qg3 Ne8 47. Rc2 Nf6 48. Rec1 {[#]} (48. Rb1 $17) 48... Qh5 ({Black should play} 48... Ke8 $1 $19 49. Rc3 Kd8) 49. Kf2 Qe8 {aiming for ...Rh3!} ({Inferior is} 49... Qxh2 50. Qxh2 Rxh2 51. Ng3 $14) 50. Ke1 (50. Kg1 $17 {was necessary.}) 50... Qe7 $19 51. Rxc7 (51. Kf1 $17) 51... Qb4+ 52. R7c3 Qxa4 53. Rb1 Qa2 54. Rcb3 (54. Rbc1 $17 {might work better.}) 54... Rc7 {White must now prevent ...Rc2.} 55. R3b2 {[#]} Qa3 $1 56. Kf2 $2 {[#]} (56. Rb3 Qe7 57. Rc3) 56... Rh3 $1 {[%mdl 512] Precision: White = 38%, Black = 57%.} 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.27"]
[Round "10"]
[White "Benedetti, Julio"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2364"]
[BlackElo "2564"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6 6. Nc3 Bg7 7. Be3 Nc6 8. Nxc6 bxc6 9. O-O Rb8 10. Na4 Ne7 11. Ba7 Rb7 12. Bc5 d6 13. Bxa6 dxc5 14. Bxb7 Bxb7 15. Qxd8+ Kxd8 16. Nxc5 Kc7 17. Rfd1 Bc8 18. c3 Ng8 19. Rd3 Bf8 20. Nb3 e5 21. Nd2 Nf6 22. b4 Ba6 23. Rf3 Be7 24. a4 Rd8 25. Nb3 Bd3 26. Nc5 Bc4 27. h3 Bxc5 28. Rxf6 Be7 29. Rf3 Kb6 30. g3 Rd2 31. h4 h6 32. Re3 g5 33. hxg5 Bxg5 34. Rf3 f6 35. Re1 Be2 36. Rf5 Bg4 37. f4 exf4 38. a5+ Ka6 39. b5+ cxb5 40. Rd5 fxg3 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.27"]
[Round "10"]
[White "Gomez, Carlos David"]
[Black "Perez Ponsa, Federico"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2356"]
[BlackElo "2547"]
[Annotator "ChessBase"]
[PlyCount "124"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 d6 6. Bc4 e6 7. cxd4 Be7 8. O-O O-O 9. Qe2 b6 10. Nbd2 Bb7 11. Ne4 dxe5 12. dxe5 Nd7 13. b3 Nc5 14. Nxc5 bxc5 15. Qe4 Qd7 16. Bg5 Nb6 17. Qd3 Qc7 18. Bxe7 Qxe7 19. Ba6 Rad8 20. Qe2 Bxf3 21. Qxf3 Rd5 22. Qe3 Rfd8 23. Rac1 g6 24. a4 Rd4 25. Qc3 R8d5 26. f4 Rd2 27. Rc2 Rxc2 28. Qxc2 Rd4 29. g3 Nd5 30. Qf2 Qd8 31. Rc1 Nb4 32. Bf1 Qb6 33. Bc4 Nc6 34. Qc2 Nb4 35. Qe2 Qd8 36. Qf2 Kg7 37. Bf1 Rd2 38. Qxc5 Nd3 39. Bxd3 Qxd3 40. Rf1 h5 41. Rf2 Rd1+ 42. Kg2 Qe4+ 43. Kh3 Qf5+ 44. Kg2 h4 45. Re2 Qb1 46. Qxa7 hxg3 47. hxg3 Qxb3 48. Qe3 Rd3 49. Qf2 Qxa4 50. Kh2 Rd8 51. Qe3 Qd1 52. Kg2 Rd3 53. Qe4 Qb3 54. g4 Rg3+ 55. Kf2 Rxg4 56. Qf3 Qb6+ 57. Re3 Qb2+ 58. Kf1 Qc1+ 59. Kf2 Qg1+ 60. Ke2 Rg2+ 61. Kd3 Qb1+ 62. Kd4 Qb4+ 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.27"]
[Round "10"]
[White "Lujan, Carolina"]
[Black "Lorenzini, Martin"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2329"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,35,138,132,124,126,123,122,120,134,125,429,428]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bf5 6. Bd2 c6 7. Qe2 e6 8. d5 cxd5 9. Nxd5 Qd8 10. Nxf6+ {B01: Skandinavische Verteidigung} Qxf6 11. O-O-O Ba3 12. c3 Be7 13. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Bg6 {LiveBook: 3 Partien} 14. h4 $1 {[%cal Bh2h4,Bh4h5][%mdl 32]} h6 15. h5 Bh7 {[#]} 16. f4 $1 Nc6 {[#]} 17. Nf3 $1 O-O $146 {[%mdl 8192]} (17... Rd8 $16) ({Vorgänger:} 17... Bd6) 18. g5 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.28"]
[Round "11"]
[White "Pichot, Alan"]
[Black "Gomez, Carlos David"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2564"]
[BlackElo "2356"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Be7 9. c4 b4 10. Nc2 Nf6 11. Nxf6+ Bxf6 12. Nxb4 Nxb4 13. Qa4+ Qd7 14. Qxb4 Bb7 15. Bd3 Be7 16. Qc3 f5 17. exf5 Bf6 18. O-O e4 19. Qe1 Qxf5 20. Qb4 Qd7 21. Re1 Be7 22. Bxe4 Bxe4 23. Rxe4 O-O 24. Be3 Bf6 25. Rd1 Rab8 26. Qxd6 Qxd6 27. Rxd6 Rxb2 28. g3 Rxa2 29. c5 a5 30. Ra6 Bc3 31. Kf1 Bd2 32. Bd4 Ra4 33. Ra7 Bh6 34. Rd7 Ra2 35. Ree7 Kh8 36. c6 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.28"]
[Round "11"]
[White "Perez Ponsa, Federico"]
[Black "Pierrot, Facundo"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2547"]
[BlackElo "2389"]
[Annotator "ChessBase"]
[PlyCount "51"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bd6 6. exd5 cxd5 7. Nc3 d4 8. Ne2 Nbd7 9. O-O h6 10. Ng3 O-O 11. Re1 Re8 12. c3 dxc3 13. bxc3 Nc5 14. Bc2 Bd7 15. d4 exd4 16. cxd4 Rxe1+ 17. Qxe1 Ne6 18. Bb3 Nf8 19. Ne5 Be6 20. Rb1 Qc7 21. Bb2 Re8 22. Qd1 Bxb3 23. Qxb3 Ne6 24. Qa4 Rd8 25. Re1 Qb6 26. Qb3 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.28"]
[Round "11"]
[White "Real De Azua, Ernesto"]
[Black "Lujan, Carolina"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2496"]
[BlackElo "2329"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,18,0,-13,18]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 O-O 6. Be2 b6 7. O-O Bb7 8. c3 Nbd7 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} 9. Bh2 {LiveBook: 42 Games} c5 (9... Qe8 10. a4 a6 11. Nbd2 e5 12. b4 Qe7 13. Qb3 a5 14. b5 Kh8 15. Rac1 Rae8 16. Ne1 {1-0 (46) Eljanov,P (2700)-Firouzja,A (2572) Sharjah 2018}) {Predecessor:} 10. a4 $146 a6 11. Nbd2 Qc7 12. Bd3 Rfd8 13. Qe2 e5 14. dxe5 dxe5 15. Nc4 Re8 16. Rfd1 b5 17. axb5 axb5 18. Rxa8 Bxa8 19. Na3 c4 {½-½ (87) Perez Ponsa,F (2585)-Pichot,A (2544) Doha 2016} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.28"]
[Round "11"]
[White "Villanueva, Mario"]
[Black "Paveto, Kevin"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2481"]
[BlackElo "2416"]
[Annotator "ChessBase"]
[PlyCount "60"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 d6 9. d4 Bb6 10. Be3 O-O 11. d5 Na5 12. Bxb6 cxb6 13. Bc2 Bc8 14. Nbd2 Nc4 15. b3 Nxd2 16. Nxd2 Bg4 17. Qc1 Rc8 18. Bd3 Nh5 19. g3 f5 20. exf5 Nf6 21. c4 Nxd5 22. Qa3 b4 23. Qxa6 Ne7 24. Qb5 Rc5 25. Qxb4 Nc6 26. Qc3 Nd4 27. Re3 Qf6 28. Rf1 d5 29. Qa1 e4 30. Bb1 Ne2+ 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.28"]
[Round "11"]
[White "Acosta, Pablo Ismael"]
[Black "Peralta, Fernando"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2432"]
[BlackElo "2563"]
[Annotator "ChessBase"]
[PlyCount "82"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 10. Rd1 Bb7 11. Nc3 Nh5 12. Bc1 f5 13. e3 Bd6 14. b3 Qe7 15. Bb2 Rac8 16. Rac1 Nhf6 17. Na4 dxc4 18. bxc4 c5 19. Qb3 Ne4 20. Ne1 h5 21. Nc3 Ndf6 22. Nb5 Bb8 23. Nd3 h4 24. Nf4 Qf7 25. d5 exd5 26. cxd5 Bxf4 27. Bxf6 hxg3 28. hxg3 Bxg3 29. fxg3 gxf6 30. Bxe4 fxe4 31. Nd6 Qc7 32. Nf5 Qe5 33. d6+ Kh8 34. Rf1 Bd5 35. Qd1 Rf7 36. Rf4 Rh7 37. Ne7 Qg5 38. Kg2 Be6 39. Nxc8 Bh3+ 40. Kf2 Bxc8 41. Kg2 Bh3+ 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.28"]
[Round "11"]
[White "Lorenzini, Martin"]
[Black "Sosa, Tomas"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2423"]
[BlackElo "2467"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. g3 d6 6. exd6 Bxd6 7. Bg2 O-O 8. d4 a6 9. O-O b5 10. a4 Bb7 11. axb5 axb5 12. Rxa8 Bxa8 13. dxc5 Bxc5 14. b4 Bb6 15. Qe2 Qe8 16. Bd2 Nc7 17. Bf4 Qc6 18. Bxc7 Qxc7 19. Qxb5 Nd7 20. Qd3 Nf6 21. c4 Rd8 22. Qb3 Rb8 23. Nc3 Ng4 24. Nb5 Bxf2+ 25. Rxf2 Qb6 26. Qb2 Rd8 27. Nfd4 Bxg2 28. Rxg2 e5 29. c5 Qxb5 30. h3 Rxd4 31. hxg4 Rd1+ 32. Kh2 Qf1 33. Kh3 Qf6 34. g5 Rh1+ 35. Rh2 Qf5+ 36. Kh4 h5 37. gxh6 g5+ 38. Kh5 Qg6+ 39. Kg4 f5+ 40. Kf3 Qc6+ 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.28"]
[Round "11"]
[White "Slipak, Sergio"]
[Black "Benedetti, Julio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2411"]
[BlackElo "2364"]
[Annotator "NA"]
[PlyCount "17"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 Bg4 5. Nbd2 Nc6 6. Nxc4 e5 7. Be2 exd4 8. exd4 Bb4+ 9. Bd2 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.29"]
[Round "12"]
[White "Peralta, Fernando"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2563"]
[BlackElo "2547"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,26,-7,-4]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Nd7 {[#]} {Vorgänger:} 14. Nd2 $146 Nc5 15. O-O-O Be6 16. Bxe6 Nxe6 17. Be3 Bf8 18. Kb1 Bc5 19. Nc4 f6 20. Bxc5 Nxc5 21. f3 Rad8 22. Ne3 Kf7 23. Rxd8 Rxd8 {½-½ (32) Mirzoev,A (2541)-Zubov,A (2612) Konya 2017} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.29"]
[Round "12"]
[White "Villanueva, Mario"]
[Black "Acosta, Pablo Ismael"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2481"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,30,70,67,44,62,51,41,0,53,0,37,0,46]} 1. e4 c5 2. Nf3 a6 3. Nc3 b5 4. d4 cxd4 5. Nxd4 Bb7 6. Bd3 d6 {B28: Sizilianisch (Frühes a7-a6)} 7. O-O (7. Bg5 g6 8. Nd5 Bg7 9. c3 h6 10. Bh4 g5 11. Bg3 e6 12. Nb4 Nf6 13. Qe2 Qb6 14. h4 {½-½ (33) Antipov,M (2586)-Iturrizaga Bonelli,E (2671) Dubai 2017}) 7... g6 8. a4 Bg7 9. Be3 bxa4 10. Rxa4 Nf6 {LiveBook: 3 Partien} 11. Rb4 $146 ({Vorgänger:} 11. Nb3 O-O 12. Qe2 Nfd7 13. Rfa1 {½-½ (13) Manik,M (2404)-El Debs,F (2520) Prague 2014}) 11... Qc7 12. Rc4 Qd8 13. Rb4 Qc7 14. Rc4 Qd8 $1 15. Rb4 Qc7 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.29"]
[Round "12"]
[White "Sosa, Tomas"]
[Black "Real De Azua, Ernesto"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2467"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 38,56,19,0,16,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0]} 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 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Bg5 h6 16. Bd2 Bg7 17. a4 Nb6 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} 18. b3 bxa4 19. bxa4 a5 20. Bd3 {LiveBook: 9 Games. The position is equal.} Ba6 21. Bxa6 Rxa6 22. Qb3 Qa8 23. d5 c6 {[%cal Rc6d5]} 24. c4 Rb8 {[%cal Rb6d5]} 25. Qa2 {[#]} Nbd7 $146 26. Be3 Rb4 27. Bd2 Rb8 28. Be3 Rb4 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.29"]
[Round "12"]
[White "Paveto, Kevin"]
[Black "Lujan, Carolina"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2416"]
[BlackElo "2329"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,98,0,5,19,8,30,35,33,31,19,-43,-32,-30,-33,-44,-38,-37,-32,-23,-16,-42,-45,-74,-49,-52,-46,-47,-52,-41,-30,-57,-54,-118,-111,-120,-112,-125,-80,-122,-66,-120,-93,-151,-151,-147,-153,-158,-154,-156,-145,-168,-164,-166,-166,-160,-162,-157,-144,-227,-223,-241,-208,-264,-264,-275,-261,-331,-234,-229,-168,-216,-150,-389,-393,-405,1071,-934,-925,-777,-864,-827,-727,-696,-570]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Bg7 5. Bxf6 Bxf6 6. cxd5 c6 7. dxc6 {D80: Grünfeld: Unusual White 4th moves and 4 Bg5} (7. e4 O-O 8. Nf3 cxd5 9. e5 Bg7 10. Qd2 Nc6 11. Bb5 Bg4 12. Ng1 f6 13. h3 Be6 14. exf6 Rxf6 15. Bxc6 bxc6 {½-½ (77) Nakamura,H (2792)-Kasparov,G (2812) Saint Louis 2017}) 7... Bxd4 8. cxb7 Bxb7 9. Qb3 {LiveBook: 7 Games. The position is equal.} Qb6 10. e3 Bg7 $146 ({Predecessor:} 10... Bxc3+ 11. bxc3 O-O 12. Nf3 Nd7 13. Be2 {½-½ (13) Spacek,P (2408)-Kalod,R (2506) Czechia 2011}) 11. Bb5+ Nc6 {[%cal Bb8c6,Bc6a5,Ba5b3,Bb3a1,Ba1c2][%mdl 32]} 12. Nge2 {Threatens to win with Nd5.} O-O 13. Nd5 ({White should try} 13. O-O $11) 13... Na5 14. Nxb6 Nxb3 15. Nxa8 Nxa1 16. O-O Bxb2 17. Nc7 Rc8 18. Na6 Nc2 $36 {[%mdl 2048] White is under pressure.} 19. Rb1 Na3 20. Rxb2 {[#] And now Bd7 would win.} Nxb5 21. Nb4 a5 22. Nc2 Be4 23. Ne1 Nc3 24. Kf1 (24. Nxc3 $15 Rxc3 25. f3) 24... Bd5 $17 {White must now prevent ...Bc4.} 25. Nxc3 Rxc3 {[%mdl 4096] Endgame KRB-KRN} 26. Nc2 Be4 27. Nd4 Ra3 (27... Rc1+ $17 28. Ke2 Bxg2) 28. Ke2 (28. Nb3 $15) 28... Bd5 29. Nb3 ({Better is} 29. Nc2 Rxa2 30. Rxa2 Bxa2 31. Kd3) 29... Bxg2 30. f3 Bh3 31. Nd4 e5 32. Nb5 Ra4 33. Nc3 Rc4 34. Kd3 Bf1+ 35. Kd2 Rh4 36. Ke1 Bc4 37. a4 (37. Ne4 $17) 37... Rh3 $19 38. Rf2 Kg7 39. Kd2 f5 40. e4 fxe4 41. fxe4 Rd3+ 42. Kc2 Rd6 43. Rf3 Be6 44. Rd3 $2 {[#]} (44. Rf1 $17 {might work better.}) 44... Bb3+ $1 {[%mdl 512]} 45. Kd2 (45. Kxb3 Rxd3) 45... Kf6 $4 {[%mdl 8192]} (45... Rxd3+ $19 46. Kxd3 Kf6) 46. Ke3 $4 {[%mdl 8192]} (46. Rxd6+ $18 Ke7 47. Ra6) 46... Rxd3+ {Black is clearly winning.} 47. Kxd3 g5 48. Ke3 h5 49. h3 Ke6 {Precision: White = 40%, Black = 60%.} 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.29"]
[Round "12"]
[White "Pierrot, Facundo"]
[Black "Pichot, Alan"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2389"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,46,31,31,34,18,29,16,35,0,0,0,0,-30,0,0,0,0,0,0,20,12,38,38,37,38,39,35,47,48,49,29,37]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Re1 Ne4 {A49: Königsindisch (ohne c2-c4)} (6... Nbd7 7. e4 e5 8. Nc3 Re8 9. h3 c6 10. a4 b6 11. Bg5 Bb7 12. Qd2 Qc7 13. Rad1 a6 14. dxe5 dxe5 15. Qd6 Qxd6 16. Rxd6 h6 17. Bxf6 Nxf6 18. Nd2 {½-½ (80) Kramnik,V (2792)-Grischuk,A (2766) Paris 2018}) 7. c3 c5 8. Nbd2 Nxd2 9. Bxd2 {LiveBook: 4 Partien} Qb6 10. Qb3 $146 ({Vorgänger:} 10. dxc5 dxc5 11. Qa4 Nc6 12. b3 Rd8 13. Rac1 {½-½ (13) Galkin,A (2598)-Mamedov,N (2587) Konya 2011}) 10... Nc6 {[%cal Rc5d4]} 11. Be3 Na5 12. Qxb6 (12. Qa4 {with more complications.} cxd4 13. Nxd4 Qd8 14. Qb4 a6 15. a4) 12... axb6 13. Nd2 Nc6 {[%cal Rc5d4]} 14. Nc4 Ra6 (14... cxd4 {looks sharper.} 15. cxd4 Ra6 16. Red1 Bf5 17. a4 Rd8) 15. d5 Na5 16. Nxa5 bxa5 17. a4 Bf5 18. Bg5 $36 {[%mdl 2048] Weiss hat Initiative.} Rb6 19. e4 Bd7 20. Ra2 ({Doch nicht} 20. Bxe7 Re8 $15) 20... e6 21. Bf1 Re8 {[#] Droht ...exd5 und aus.} 22. Bd2 f5 23. f3 fxe4 {Precision: Weiß = 55%, Schwarz = 72%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.29"]
[Round "12"]
[White "Benedetti, Julio"]
[Black "Lorenzini, Martin"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2364"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,124,15,47,32,70,27,29,13,12,13,19,0,35,42,92,73,102,87,66,0,118,44,52,54,56,61,62,56,41,54,54,0,0,0,77,11,6,6,26,22,58,8,8,-8,-18,-17,0,0,47,-8,-8,-6,-10,-8,-11,-177,-177,-517,-507,-506,-504,-486,-468,-485,-462,-1275,-943,-5997,-5124,-4739,-5499,-4980,-5057,-4087,-2534,-3279,-2704,-2122,-2063,-8649,-10867,-6953,-6283,-4597,-3228,-29974,-29975,-29970,-29977,-29976,-29977,-29981,-29980,-29980,-29980,-29983,-29984,-29984,-29985,-29985,-29986]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O d6 6. c3 a6 7. Bb3 Ba7 8. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1h2][%mdl 32]} O-O 9. Re1 Ne7 10. Nf1 Ng6 11. h3 Nh5 12. d4 Nhf4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 13. Bxf4 (13. Ng3 Nh4 14. Bxf4 exf4 15. Nh5 c5 16. dxc5 Bxc5 17. Nxf4 Kh8 18. Nxh4 Qxh4 19. Qf3 Be6 20. Bd5 {0-1 (63) Ganguly,S (2668)-Aronian,L (2785) Doha 2016}) 13... exf4 {LiveBook: 6 Games} 14. Qd2 Be6 {White is slightly better.} 15. N1h2 Re8 16. Re2 $146 ({Predecessor:} 16. Bc2 Qf6 17. e5 dxe5 18. dxe5 Qd8 19. Bxg6 Qxd2 20. Bxh7+ Kxh7 21. Nxd2 {½-½ (41) Skuhala,B (1930)-Orehek,S (2083) Otocec 2016}) 16... Bxb3 17. axb3 c5 18. Rae1 Qb6 19. h4 {h5 is the strong threat.} h5 20. e5 dxe5 21. dxe5 Qxb3 {[#]} 22. e6 $1 {[%mdl 512]} Rxe6 (22... f6 $1 $11) 23. Rxe6 (23. Ng5 $1 $16 {[%cal Rg5e6]} Rxe2 24. Qxe2) 23... fxe6 $14 24. Ne5 Nxe5 25. Rxe5 Bb6 {Hoping for ...Rd8.} 26. Qe2 Rd8 {And now ...Qd1+ would win.} 27. Nf1 Qb5 {Threatens to win with ...Qxe2.} 28. c4 (28. Qxh5 $14 Qd7 29. Qe2) 28... Qd7 $11 29. Rxe6 f3 (29... Ba5 $11) 30. gxf3 (30. Qe4 $1 $16 fxg2 31. Ne3) 30... Bc7 31. Qe4 {White wants to play Ne3.} Rf8 32. Ne3 Bd8 ({Of course not} 32... Qd2 $6 33. Qxb7 Bd8 34. Qe4 $16 (34. Rxa6 Bxh4 35. Qd5+ Qxd5 $17)) 33. Re5 Qd4 $1 34. Rd5 $132 {[%mdl 2048] White has counterplay} Qxe4 35. fxe4 Bxh4 {[%mdl 4096] Endgame KRB-KRN} 36. Nf5 Bg5 {[#]} 37. Rxc5 ({Better is} 37. Nxg7 $1 $14 {[%mdl 512]} Kxg7 38. Rxg5+ Kh6 39. Rxc5) 37... g6 38. Nd4 Bh4 39. f3 Rd8 40. Rd5 $2 {[#]} (40. Ne6 $1 $11 {and White has nothing to worry.} Rd6 41. Rc8+ Kf7 42. Nf4) 40... Rxd5 $1 $19 41. cxd5 $2 {KB-KN} (41. exd5 Bf6 42. Ne6) 41... Bf6 42. Ne6 Bxb2 43. d6 Bf6 44. d7 b5 {[%cal Bb7b5,Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 45. d8=Q+ (45. Kg2 $142 a5 46. e5) 45... Bxd8 46. Nxd8 {KN-KP} b4 47. Nc6 b3 48. Ne7+ Kf7 49. Nd5 b2 50. Nc3 {[#]} g5 $1 51. Kf2 Kf6 52. Kg3 Ke5 53. Nb1 a5 54. Na3 a4 55. Nb1 {[#]} g4 $1 {[%mdl 512] Black mates.} 56. Nd2 (56. fxg4 hxg4) 56... gxf3 57. Kxf3 {KN-K3P} Kd4 58. e5 Kxe5 59. Ke3 h4 {[%cal Bh5h4,Bh4h3][%mdl 32]} 60. Kd3 h3 61. Kc2 Kf4 62. Nf1 a3 {Precision: White = 33%, Black = 75%.} 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.29"]
[Round "12"]
[White "Gomez, Carlos David"]
[Black "Slipak, Sergio"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2356"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,74,54,31,33,31,32,33,36,45,39,24,29,14,20,9,12,14,4,0,0,-8,0,0,17,8,22,-6,18,18,24,17,26,-6,-7,0,0,-19,-16,-54,-37,-55,-41,-160,-168,-391,-418,-404,-396,-474,-466,-685,-599,-601,-564,-677,-585,-578,-481,-479,-484,-471,-481,-478,-473,-429,-385]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Bc4 a6 6. a4 {LiveBook: 11 Games. B01: Scandinavian Defence} (6. Bg5 h6 7. Bxf6 exf6 8. Nf3 Bb4 9. O-O Bxc3 10. bxc3 O-O 11. Re1 Nc6 12. Nh4 Na5 13. Bd3 {1-0 (21) Nakamura,H (2789)-Shaw,J (2454) Baku 2016}) 6... e6 7. Nf3 Be7 8. O-O {White is slightly better.} Nc6 9. Re1 O-O 10. h3 Nb4 $146 ({Predecessor:} 10... b6 11. d5 Na5 12. Ba2 Bb4 13. Bd2 exd5 14. Nxd5 Nxd5 15. Bxd5 Bxd2 16. Qxd2 {1-0 (53) Nowak,I (2070)-Schild,R (2020) LSS email 2014}) 11. Ne2 b6 12. Ne5 Bb7 13. Nf4 Nbd5 14. Nh5 Nxh5 15. Qxh5 Nf6 16. Qd1 b5 17. Be2 b4 18. Bg5 Nd5 19. Bxe7 Qxe7 20. a5 Rfd8 21. Bf3 c5 22. dxc5 Qxc5 23. Nd3 Qc7 24. Qc1 h6 25. Ra4 Rac8 26. Bxd5 ({White should try} 26. Ne5 $15) 26... Rxd5 $17 27. Qf4 $2 {[#]} (27. Nxb4 Rg5 28. g4) 27... b3 $1 $19 {[%cal Bb4b3,Bb3c2][%mdl 32]} 28. Qxc7 Rxc7 29. Ra3 bxc2 {Black is clearly winning.} 30. Nc1 (30. Kh2 $142 Rd4 31. f3) 30... Rcd7 31. Rae3 Rxa5 32. Kf1 Rd1 33. R3e2 Ra1 34. Rxc2 {[#]} Bxg2+ $1 {[%mdl 512]} 35. Ke2 (35. Kxg2 Rxe1) 35... Rxe1+ 36. Kxe1 Bxh3 37. Kd2 Ra5 {Precision: White = 27%, Black = 69%.} 0-1

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.30"]
[Round "13"]
[White "Perez Ponsa, Federico"]
[Black "Villanueva, Mario"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2547"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,37,20,30,6,9,0,0,0,26,-19,12,19,5,9,19,14]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Bf5 8. Re1 O-O 9. Nc3 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Nxc3 10. bxc3 Bxd3 11. cxd3 (11. Qxd3 Nc6 12. Re2 a6 13. Bf4 Qd7 14. Rae1 Rfe8 15. h4 h6 16. Qe3 b5 {½-½ (60) Nepomniachtchi,I (2757)-Giri,A (2782) Dortmund 2018}) 11... Nc6 12. Rb1 {[%cal Ba1b1,Bb1b2,Bb2e2][%mdl 32]} Rb8 {LiveBook: 7 Games} 13. Qa4 a6 14. Rb2 $146 ({Predecessor:} 14. Ne5 Nxe5 15. dxe5 Qc8 16. f4 Qe6 17. Be3 {½-½ (35) Dastan,B (2402)-Koksal,E (2228) Porto Carras 2013}) 14... b5 15. Qb3 b4 16. Rbe2 bxc3 {The position is equal.} 17. Qxc3 Rb6 {Hoping for ...Bb4.} 18. Ba3 Bxa3 19. Qxa3 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.30"]
[Round "13"]
[White "Real De Azua, Ernesto"]
[Black "Benedetti, Julio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2496"]
[BlackElo "2364"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,71,52,47,85,85,90,70,135,110,121,87,94,87,81,86,73,86,83,27,71,56,81,93,105,52,75,53,75,75,75,75,70,81,60,64,99,89,100,93,102,93,73,28,42,39,47,15,80,80,80,60,81,28,21,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Na6 6. Be3 c5 7. Nge2 O-O 8. Qd2 {LiveBook: 9 Games} Nb4 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6)} (8... cxd4 9. Nxd4 Nc5 10. Be2 Bd7 11. O-O Qb8 12. Rfd1 Rc8 13. Rac1 a6 14. Bf1 Ne6 15. Nb3 b5 16. Nd5 Nxd5 17. cxd5 Nd8 {1-0 (30) Mecking,H (2578)-Martinez,C (2501) Campinas 2011}) 9. d5 Nd7 10. a3 Qa5 (10... Na6 $14) 11. Rc1 Na6 12. Ng3 $146 ({Predecessor:} 12. Bh6 Ne5 13. Ng3 Nc7 14. Bxg7 Kxg7 15. f4 Ng4 16. Bd3 {½-½ (44) Wenzel,M-Rahn,V Willingen 1999}) 12... Re8 13. Be2 Nc7 14. O-O b5 15. cxb5 a6 {[%cal Ra6b5] [#]} 16. a4 (16. b6 $1 $16 {[%cal Rb6c7]} Qxb6 17. b4) 16... Nb6 17. b3 e6 18. dxe6 Nxe6 19. Nb1 ({White should try} 19. bxa6 $16 Bxa6 20. Bxa6 Rxa6 21. Rfd1) 19... Qxd2 20. Nxd2 Nd4 21. Bxd4 Bxd4+ 22. Kh1 h5 {[#] Threatens to win with ...h4.} 23. Nc4 Nxc4 24. Bxc4 ({Don't blunder} 24. bxc4 $2 h4 $19) 24... Be6 25. Ne2 ({Reject} 25. bxa6 Bxc4 26. Rxc4 Rxa6 $11) 25... Be3 26. Rc3 Bh6 27. bxa6 Bg7 28. Bxe6 fxe6 29. Rd3 Rxa6 30. Nc3 {Black must now prevent Nb5.} Bxc3 (30... c4 $1 $11 31. bxc4 Rc8) 31. Rxc3 $11 {KRR-KRR} Rb8 32. Rd1 Kf7 33. e5 (33. h4 $16) 33... dxe5 34. Rxc5 {The position is equal.} Rxb3 35. Rxe5 Rxa4 36. Re2 {Precision: White = 49%, Black = 50%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.30"]
[Round "13"]
[White "Acosta, Pablo Ismael"]
[Black "Paveto, Kevin"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2432"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,83,16,9,23,20,20,15,10,12,20,16,0,-70,-71,-118,-84,-89,-62,-64,-58,-60,-71,-64,-12,-11,-10,-13,-19,-82,-78,-91,-87,-113,-108,-193,-87,-91,-87,-103,-87,-95,-83,-83,-45,-41,167,154,379,229,438,431,410,267,313,273,3025,3062,5206,5185,2267,1903]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. Rb1 a5 9. d3 O-O {A29: English Opening: Four Knights Variation with 4 g3} 10. b3 (10. Be3 Be6 11. Bxb6 cxb6 12. a3 f5 13. e3 Bf6 14. Rc1 Kh8 15. Re1 Bf7 16. Nb5 Bh5 17. Qc2 {0-1 (39) So,W (2812)-Karjakin,S (2781) Paris 2017 CBM 179 [Yermolinsky,A]}) 10... Re8 11. Bb2 Bf8 12. Nd2 Nd4 13. e3 {LiveBook: 3 Games} Ne6 14. Nc4 Nxc4 15. dxc4 {[#]} Nc5 $146 ({Predecessor:} 15... f6 16. Qc2 c6 17. Kh1 Nc5 18. Ba3 Qd3 19. Qxd3 Nxd3 20. Bxf8 Rxf8 21. Rbd1 Nc5 22. Rd2 Bg4 {½-½ (22) Konjevic,D (2470)-Herb,P (2540) ICCF corr 1998}) 16. Qxd8 Rxd8 17. Nd5 Bf5 18. Rbd1 ({Better is} 18. Nxc7 $11 Bxb1 19. Rxb1) 18... c6 $1 $15 {[%cal Rc6d5]} 19. Nc3 f6 20. Ba3 Bg4 21. Rxd8 Rxd8 22. h3 Be6 23. g4 Rd3 ({Black should play} 23... g6 $15) 24. Ne4 $11 Nxe4 25. Bxe4 {[#] And now Bxf8 would win.} Rd2 26. Bxf8 (26. Bc1 $11 Rd8 27. Kg2) 26... Kxf8 $17 27. Bxh7 Rxa2 $11 {[%mdl 4096] Endgame KRB-KRB} 28. Rb1 Ke7 29. Bf5 (29. c5 $17 {keeps fighting.}) 29... b5 (29... Bxf5 $19 {has better winning chances.} 30. gxf5 b5) 30. Bxe6 $17 Kxe6 31. cxb5 cxb5 {KR-KR} 32. h4 Kd5 33. h5 Kc5 34. Rc1+ Kb4 $2 (34... Kb6 $15 {keeps the upper hand.}) 35. Rc7 $18 a4 $2 (35... Rd2 $16 {might work better.}) 36. bxa4 Rxa4 $2 (36... bxa4 {is a better defense.} 37. Rxg7 Rd2) 37. Rxg7 e4 38. Rf7 Ra8 39. Rxf6 Rb8 $2 (39... Kc5 40. Kf1 b4) 40. h6 {[%cal Bh5h6,Bh6h7][%mdl 32] White is clearly winning.} Kc3 41. h7 b4 {[#]} 42. Rb6 $1 {[%mdl 512] Precision: White = 66%, Black = 34%.} 1-0

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.30"]
[Round "13"]
[White "Lorenzini, Martin"]
[Black "Gomez, Carlos David"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2423"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,43,20,16,16,10,45,21,21,14,12,15,29,-11,0,-11,-6,-4,0,-9,-4,-19,0,0,0,0,0,0,0,-10,0,0,6,-5,0,-6]} 1. Nf3 d5 2. d4 Nc6 3. Bf4 Bg4 4. e3 e6 5. Nbd2 Bd6 6. Bg3 {LiveBook: 25 Games} e5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (6... Nge7 7. c4 a6 8. a3 Nf5 9. Bxd6 Qxd6 10. h3 Bxf3 11. Qxf3 Nh4 12. Qg4 Ng6 13. Bd3 f5 14. Qh5 {1-0 (50) Yuan,Q (2393)-Ye,R (2461) Shenzhen 2017}) 7. dxe5 Nxe5 8. Be2 (8. c4 {seems wilder.} Nxc4 9. Nxc4 dxc4 10. Bxc4 Nf6 11. Qb3) 8... Nxf3+ 9. Bxf3 Bxf3 10. Qxf3 Nf6 11. O-O Bxg3 {The position is equal.} 12. hxg3 $146 ({Predecessor:} 12. Qxg3 O-O 13. Rad1 Qe7 14. Qf4 {½-½ (43) Vager,I (2174)-Stjazhkina,O (2337) St Petersburg 2000}) 12... Qe7 13. e4 O-O-O {[%cal Rd5e4,Ba8d8,Bd8d5,Bd5e5][%mdl 32]} 14. exd5 Rxd5 15. Rfe1 Re5 (15... Qc5 {is interesting.} 16. Ne4 Nxe4 17. Rxe4 f5 18. Re2 g6) 16. Qf5+ Rxf5 17. Rxe7 Nd5 18. Re2 Nb4 19. Nf3 Rd8 20. c3 Nc6 21. Kf1 Rfd5 22. Rae1 {Precision: White = 52%, Black = 82%.} 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.30"]
[Round "13"]
[White "Slipak, Sergio"]
[Black "Pierrot, Facundo"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2411"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,19,0,8,8]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c3 c6 7. Bf4 Bf5 8. Qb3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Qb6 9. Nbd2 Nbd7 {LiveBook: 13 Games} 10. h3 (10. Ne5 Rfe8 11. h3 Nxe5 12. Bxe5 Bh6 13. g4 Be6 14. e3 Nd7 15. Bg3 f5 16. gxf5 Bxf5 {½-½ (48) Sargissian,G (2672)-Saric,I (2669) Riadh 2017}) {Predecessor:} 10... h5 $146 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.30"]
[Round "13"]
[White "Lujan, Carolina"]
[Black "Sosa, Tomas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2329"]
[BlackElo "2467"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,30,30,41,50,43,34,51,92,89,85]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. Be2 d6 9. O-O Nxd4 10. Bxd4 Bd7 11. h3 Bc6 12. Qc2 {LiveBook: 51 Games. B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0} (12. Bf3 a5 13. Qd2 Nd7 14. Bxg7 Kxg7 15. b3 Qb6 16. Nd5 Bxd5 17. exd5 Qb4 18. Qb2+ Kg8 19. a3 Qb6 {½-½ (29) Romanov,E (2619)-Ivanchuk,V (2713) Batumi 2018}) 12... Qa5 13. a3 Rfc8 14. b4 Qd8 15. Rad1 $146 ({Predecessor:} 15. Rfd1 Qe8 16. a4 b6 17. a5 b5 18. cxb5 Bxe4 19. Qb2 e5 20. Nxe4 Nxe4 21. Bxa7 Rxa7 {1-0 (30) Vega Gutierrez,S (2385)-Neuhauser,S (2085) Saint Quentin 2016}) 15... Qf8 1/2-1/2

[Event "93rd ARG-ch 2018"]
[Site "Laprida"]
[Date "2018.07.30"]
[Round "13"]
[White "Borwell, Alan Peter"]
[Black "Peralta, Fernando"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1934"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.07.17"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 34,47,0,0,0,0,0,0,0,0,0,0,-7,-6,0,0]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be7 13. Kb1 Qb6 {B19: Classical Caro-Kann: 4...Bf5 main line} 14. Rhe1 O-O 15. Nf5 exf5 16. Rxe7 Qd8 17. Re2 Ne4 18. Bc1 {LiveBook: 12 Games. The position is equal.} Re8 19. g4 fxg4 20. Rxe4 Rxe4 21. Qxe4 {[#]} Nf6 $146 22. Qe5 {[#] Black must now prevent Rg1.} gxf3 23. Rg1 Kh8 24. b3 1/2-1/2

