[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Iturrizaga Bonelli, Eduardo"]
[Black "Terry, Renato"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2663"]
[BlackElo "2454"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,115,22,10,43,26,39,47,85,85,86,83,79,62,79,67,79,75,72,77,90,84,114,103,110,81,116,106,104,114,116,112,112,112,112,112,112,112,112,112,112,112,117,116,122,102,102,102,102,0,112,96,126,126,164,150,171,171,171,171,171,171,201,164,156,126,225,225,295,291,6085,6412,6406,6078,29966,12772,29969,29970,29970,29971,29971,29972,29972,29973,29973,29974,29974,29975,29975,29976,29976,29977,29977,29978,29978,29979,29979,29980]} 1. d4 e6 2. Bf4 Nf6 3. e3 c5 4. c3 d5 5. Nd2 Bd6 6. Bg3 Nc6 7. Ngf3 {[%cal Bg1f3,Bf3e5,Be5g6][%mdl 32]} Bxg3 8. hxg3 Qd6 9. Bb5 Bd7 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 10. Bxc6 (10. a4 h6 11. Qe2 a6 12. Bxc6 Bxc6 13. Ne5 Nd7 14. f4 Nxe5 15. fxe5 Qe7 16. Qg4 f5 17. Qh5+ Kd8 18. a5 c4 19. Kf2 {½-½ (19) Bachmann,A (2646)-Milov,V (2604) Chartres 2017}) 10... Bxc6 11. Ne5 {LiveBook: 19 Games} cxd4 {The position is equal.} 12. exd4 Nd7 13. Ndf3 f6 14. Ng6 $1 {[%cal Rg6h8]} Rg8 15. Rxh7 O-O-O 16. Qd2 Nf8 $146 ({Predecessor:} 16... Rde8 17. O-O-O {1-0 (36) Calvo Alfonso,V (2202)-Angullo Gil,J (2151) Valencia 2009}) 17. Nxf8 Rdxf8 18. O-O-O Be8 19. Qd3 Qc6 20. Re1 Bf7 21. g4 Qe8 {aiming for ...Bg6.} 22. Rh3 Rh8 23. Nh4 {[%cal Bf3h4,Bh4g6,Bg6f4][%mdl 32]} Qa4 24. Ng6 Rxh3 25. gxh3 Re8 26. a3 Qc4 27. Nf4 Qxd3 28. Nxd3 $16 {[%mdl 4096] Endgame KRB-KRN} Rh8 29. Re3 b6 30. Kd2 Kd7 31. Ke2 Kd6 32. Kf1 Bg6 33. Nf4 Bf7 34. Nd3 Bg6 $1 35. Kg2 a5 36. Kg3 a4 37. h4 Bxd3 38. Rxd3 {KR-KR} g6 39. Rd1 b5 40. Rh1 Ke7 41. Rh2 Kf7 42. f3 {[%cal Bf2f3,Bf3f4,Bf4f5,Bf5f6][%mdl 32]} Ke7 (42... Kg7 $16 {was worth a try.} 43. h5 gxh5) 43. h5 $18 gxh5 44. Rxh5 ({Weaker is} 44. gxh5 Rg8+ 45. Kf2 Rh8 $16) 44... Rxh5 $2 (44... Rg8 45. Rh7+ Kd6) 45. gxh5 {KP-KP} Kf7 {[#]} 46. Kg4 $1 Kg7 {[#]} 47. f4 $1 {[%cal Rf4f5]} Kh6 48. f5 {White mates.} e5 49. dxe5 fxe5 50. f6 e4 51. Kf4 Kh7 52. Ke3 Kh6 53. Kd2 Kh7 54. Kc2 Kh6 55. b3 axb3+ 56. Kxb3 Kh7 57. Kc2 Kh6 58. Kd2 {Precision: White = 84%, Black = 53%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Cordova, Emilio"]
[Black "Leiva, Giuseppe"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2651"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,59,0,35,-18,-16,-20,18,-11,4,-2,-20,-35,10,-93,21,30,27,33,45,36,50,47,57,35,65,68,173,164,144,133,113,130,216,211,216,220,362,357,357,334]} 1. Nf3 Nf6 2. c4 b6 3. d4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. Qc2 d5 8. O-O O-O 9. Rd1 Nbd7 10. b3 Ba6 11. a4 Rc8 12. Na3 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} (12. a5 $14) (12. a5 c5 13. axb6 Qxb6 14. Qa2 Bb7 15. Ba5 Qa6 16. Qb2 dxc4 17. bxc4 Bxf3 18. Bxf3 cxd4 19. Bd8 Qd6 20. Bxe7 Qxe7 21. Rxa7 {1-0 (38) Wang,Y (2718)-Wang,H (2717) Huaian 2016}) 12... Ne4 $11 13. Be1 Bd6 14. b4 {The position is equal.} (14. a5 $5) 14... Qe7 $146 ({Predecessor:} 14... c5 15. dxc5 bxc5 16. cxd5 exd5 17. Nb5 cxb4 18. Qb3 Bxb5 19. axb5 Ndf6 20. Bxb4 Bxb4 21. Qxb4 {½-½ (28) Konopka,M (2448)-Galdunts,S (2464) Germany 2010}) 15. c5 Bb8 16. Qb2 f5 17. Rdc1 (17. b5 $11 {remains equal.} Bb7 18. cxb6 axb6 19. bxc6 Rxc6 20. Rdc1) 17... Qf6 (17... bxc5 $17 18. dxc5 Bb7) 18. b5 $36 {[%mdl 2048] White fights for an advantage.} Bb7 {[%cal Rb6c5]} 19. cxb6 axb6 20. bxc6 Bxc6 21. Nb5 f4 22. Rc2 fxg3 23. hxg3 g5 {[#]} (23... Bb7 $14) 24. Rac1 $1 $18 Bb7 {next ...Rxc2 is good for Black.} 25. Rxc8 Bxc8 26. Bb4 g4 (26... Rd8 $16 {was necessary.}) 27. Bxf8 Qxf8 28. Qa3 gxf3 (28... Qxa3 {is a better defense.} 29. Nxa3 Ba6) 29. Qxf8+ ({Not} 29. exf3 Qxa3 30. Rxc8+ {[#]} Qf8 $1 $16 {[%mdl 512]}) 29... Nxf8 30. exf3 {Precision: White = 60%, Black = 21%.} ({Weaker is} 30. Rxc8 fxe2 31. Rc1 Nxg3 $16) 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Bruzon Batista, Lazaro"]
[Black "Garcia Pantoja, Roberto"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2650"]
[BlackElo "2500"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,115,19,16,15,25,20,18,22,26,29,29,24,29,24,25,25,34,29,32,21,20,29,28,21,18,26,28,30,30,34,35,38,45,35,39,25,23,25,38,26,56,56,96,108,138,104,104,108,107,107,127,131,101,120,114,85,65,73,93,86,58,57,79,68,64,66,68,89,66,69,69,75,75,82,82,60,73,68,80,68,98,103,862,859,790,767,591,277,6597,6411,29974,29974,29976,29977,29976,29978,29977,29979,29979,29980,29980,29981]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Qc2 O-O 6. cxd5 exd5 7. Bg5 c6 8. e3 h6 9. Bf4 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} Bd6 (9... b6 10. Bd3 Bb7 11. O-O c5 12. Rad1 Nc6 13. Bf5 c4 14. a3 Bd6 15. Be5 Be7 16. Qe2 a6 {1-0 (48) Gareev,T (2609)-Kumar,N (2397) Cocoa Beach 2017}) 10. Bxd6 Qxd6 11. Bd3 {The position is equal.} Be6 12. O-O Nbd7 13. Rfc1 $146 ({Predecessor:} 13. b4 b5 14. a4 a6 15. Rfb1 Nb6 16. h3 Nc4 17. Qa2 Rab8 18. axb5 axb5 {1-0 (33) Mkrtchian,L (2484)-Yakovleva,T (2124) Plovdiv 2010}) 13... Rfe8 14. a3 a5 15. Rab1 Bg4 16. Nd2 Be6 17. Na4 Rec8 18. h3 b5 19. Nc5 Nxc5 20. Qxc5 Qxc5 21. Rxc5 Nd7 22. Rc2 Nb6 23. Nb3 Nc4 24. Nc5 a4 25. Re1 Re8 26. f3 {[%cal Bf2f3,Bf3f4][%mdl 32]} Rad8 27. Kf2 Bc8 28. e4 Nb6 29. e5 Nd7 30. f4 Nxc5 31. Rxc5 Bd7 32. g4 Rb8 33. Bf5 Bxf5 34. gxf5 $16 {[%mdl 4096] Endgame KRR-KRR} b4 35. Rec1 bxa3 36. bxa3 Rb2+ 37. R1c2 Rb3 38. R2c3 Rb2+ 39. Kf3 Rd2 40. Rxc6 Rxd4 41. Rc7 g5 42. fxg6 $1 fxg6 43. R3c6 $1 {[%cal Rc6g6]} g5 44. Rg6+ ({Don't play} 44. Rxh6 Rxf4+ 45. Kg3 Rxe5 $11) 44... Kf8 {[#]} 45. Rf6+ $1 Kg8 46. h4 ({But not} 46. Rxh6 Rxf4+ 47. Kg3 Rc4 $11) 46... gxf4 47. Rg6+ ({Reject} 47. Rxh6 Rxe5 48. Rg6+ Kf8 $11) 47... Kf8 48. Rxh6 {[%cal Rh6h8]} Re7 $2 {[%mdl 8192]} (48... Kg8 $16) 49. Rh8+ $18 Kg7 50. Rxe7+ Kxh8 {KR-KR} 51. h5 (51. Rd7 $142 {e6 is the strong threat.} Re4 52. Rxd5 Re3+ 53. Kxf4 Rxa3 54. Rd7) 51... Rd3+ $2 (51... Re4 52. e6 Kg8) 52. Kxf4 Rxa3 53. e6 {[%cal Be5e6,Be6e7][%mdl 32] White mates.} d4 54. Rd7 Re3 {[#]} 55. e7 $1 Kg8 56. h6 {[%cal Bh5h6,Bh6h7][%mdl 32]} Kf7 57. h7 Rh3 58. Rd8 {Precision: White = 70%, Black = 54%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Kovalyov, Anton"]
[Black "Barrientos, Sergio E"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "2643"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,38,16,13,18,17,21,20,16,-6,0,-27,-18,-45,-44,-48,-51,-56,-61,-88,-85,-81,-72,-110,-85,-95,-91,-102,-35]} 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 d6 5. g3 O-O 6. Bg2 e5 7. O-O {LiveBook: 4 Games} Bxc3 {A22: English Opening: 1...e5 2 Nc3 Nf6} 8. Qxc3 a5 $146 ({Predecessor:} 8... Re8 9. d3 Nc6 10. b4 Bg4 11. b5 Bxf3 12. exf3 {½-½ (35) Iturrizaga Bonelli,E (2625)-Pena Gomez,M (2462) Linares 2015}) 9. d3 Re8 {The position is equal.} 10. e4 c5 11. Nh4 Nc6 12. f4 Nd4 13. Kh1 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 14. b3 a4 $36 {[%mdl 2048] Black has good play.} 15. fxe5 b4 {Black is better.} ({Of course not} 15... Rxe5 $6 16. cxb5 Bg4 17. Bf4 $11) 16. Qb2 dxe5 17. Be3 Ra6 18. h3 Nh5 19. Kh2 a3 {Precision: White = 53%, Black = 70%.} (19... Be6 $17) 1/2-1/2

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Cori, Jorge"]
[Black "Bachmann, Axel"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2618"]
[BlackElo "2653"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,101,40,36,39,36,41,33,38,46,55,46,53,0,4,3,19,9,64,17,14,0,0,0,29,0,3,0,0,0,25,22,13,14,11,8,30,30,56,56,56,56,62,62,62,62,62,62,62,62,62,52,52,52,52,52,52,52,62,52,69,0,0,-8,59,59,66,66,148,127,127,66,188,184,184,161,156,156,229,229,214,160,214,166,5057,5057,5057,4775]} 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 a5 5. g3 d5 6. Qc2 O-O 7. Bg2 c5 {E11: Bogo-Indian} 8. cxd5 cxd4 9. Nxd4 {LiveBook: 40 Games} Qb6 {White is slightly better.} 10. e3 Nxd5 11. O-O Bd7 12. Nc3 Nf6 13. a3 $146 ({Predecessor:} 13. Rfc1 e5 14. Nf3 Re8 15. a3 Bxc3 16. Bxc3 {½-½ (25) Malaniuk,V (2523)-Ovsejevitsch,S (2561) Koszalin 2012}) 13... Be7 14. Qb3 (14. Na4 {looks sharper.} Qa6 15. Rfc1 Bc6 16. Bf1 Qa7 17. Nb5) 14... Qxb3 15. Nxb3 a4 16. Nd4 e5 (16... Nc6 $11) 17. Nc2 (17. Ndb5 {is interesting.} Nc6 18. Nc7 Rab8 19. N3d5 Rfc8 20. Rac1) 17... Nc6 18. Nd5 Nxd5 19. Bxd5 Na5 20. Rad1 Rfd8 21. Bc3 Bc6 22. Ba2 {[%cal Bd5a2,Ba2b1,Bb1e4][%mdl 32]} Rdc8 23. Nb4 $36 {[%mdl 2048] White has the initiative.} Bb5 24. Rfe1 Bc4 25. Bb1 Bxb4 26. Bxb4 Nc6 27. Bc3 Rd8 28. Be4 Bb3 29. Rxd8+ Rxd8 30. Bxc6 bxc6 31. Bxe5 Rd1 32. Rxd1 Bxd1 $14 {[%mdl 4096] Endgame KB-KB} 33. Kg2 f5 34. f3 Kf7 35. e4 fxe4 36. fxe4 g6 37. Kf2 c5 38. b4 ({White should try} 38. Bd6 $14) 38... axb3 $11 39. h3 b2 (39... h5 $11) 40. Bxb2 $14 h5 41. Ke3 Bc2 {[#]} (41... Ba4 $14) 42. Kf4 $1 $16 Ke6 {[#]} 43. Bc3 (43. Bg7 $1 $16) 43... Kd6 (43... Ba4 $14) 44. Bg7 Kc6 45. Ke5 Bd3 46. Bh6 Bf1 (46... Bc2 $16 47. h4 c4) 47. Kf6 $18 Bxh3 48. Kxg6 Bg2 (48... Bf1 $16 49. Kf6 (49. Kxh5 Bg2 $14) 49... Bb5) 49. e5 ({Stronger than} 49. Kxh5 Bxe4 50. a4 Bf3+ 51. Kh4 Bd1 $11) 49... Kd5 $2 (49... Kd7 50. Kf5 (50. Kxh5 Ke6 $14) 50... c4) 50. Kf6 Bh3 51. a4 {Precision: White = 66%, Black = 32%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Delgado Ramirez, Neuris"]
[Black "Cori Quispe, Kevin Joel"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2613"]
[BlackElo "2390"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,85,19,6,20,13,14,7,8,0,0,0,0,0,0,0,22,18,39,29,67,70,84,73,81,66,74,76,75,68,80,78,171,154,452,443,433,210,206,105,263,120,180,173,154,189,161,81,393,433,514,158,152,150,160,0,0,0,159,166,406,0,0,0,385,366,302,325,833,730]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nxc6 bxc6 8. Bd3 d5 9. O-O Nf6 10. Qe2 Be7 {B46: Sicilian: Taimanov: 5 Nc3 a6} 11. Bd2 O-O 12. b3 (12. Rae1 g6 13. Kh1 Bb7 14. b3 Rfe8 15. e5 Nd7 16. Na4 c5 17. c4 d4 18. Be4 {½-½ (55) Quesada Perez,Y (2630)-Kacheishvili,G (2590) Saint Louis 2017}) 12... Re8 {The position is equal.} 13. Kh1 $146 ({Predecessor:} 13. e5 Nd7 14. Na4 Bb7 15. Rf3 g6 16. Rh3 c5 17. c4 d4 {1-0 (39) Lengyel,B (2385)-Fang,J (2315) Budapest 1998}) 13... Bb7 14. Rae1 Bf8 15. e5 Nd7 $1 16. Rf3 g6 17. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} c5 18. Rg3 (18. h5 $5) 18... Bg7 19. h5 Rec8 20. Qg4 {[%cal Rh5g6]} Nf8 21. Nd1 c4 22. bxc4 dxc4 23. Bf1 $40 {[%mdl 128] White has some attack.} Qc5 24. Bc3 Nd7 (24... Rc7 $16) 25. Ne3 Nb6 $2 (25... Be4 $16 {was necessary.}) 26. hxg6 $18 hxg6 27. Qh4 (27. f5 $142 Bxe5 28. fxe6) 27... Nd5 28. Ng4 (28. Nxd5 $18 Bxd5 29. Rh3) 28... Nxc3 $2 ({Don't play} 28... Nxf4 $6 29. Nf6+ Bxf6 30. exf6 $11) (28... Kf8 $16) 29. Rxc3 (29. f5 $1 $18) 29... Qd4 (29... Rd8 $16 {is a better defense.}) 30. Rh3 Kf8 31. Nf6 Rc5 32. Qg5 (32. c3 $18 Qd8 33. Nh7+ Kg8 34. Ng5 (34. Nf6+ Bxf6 35. Qxf6 Qxf6 $17)) 32... Qd8 $2 {[%mdl 8192]} (32... Qd2 $16 33. Qg3 Qd4) 33. Rh7 Rac8 34. Re3 $2 (34. Kh2 $18 {and the rest is easy.}) 34... Qd1 $16 35. Kg1 Qd4 36. Ng4 Qd8 $1 37. Nf6 {And now Reh3 would win.} Qd4 38. Kf2 $1 Ra5 $2 (38... Rb5) 39. Ng4 $2 (39. c3 $1 $18 {[%cal Rc3d4]} Rxa2+ 40. Be2) 39... Qd8 $11 {aiming for ...Qxg5.} (39... Rxa2 $2 40. Rxg7 Rxc2+ 41. Kg3 $18) 40. Nf6 Qd4 $2 {[%mdl 8192] [#]} ({But not} 40... Rxa2 41. Be2 $17) (40... Qd2+ $11 {and Black is okay.} 41. Be2 Rxa2) 41. c3 $1 $18 {[%cal Rc3d4]} Rxa2+ 42. Be2 Qd1 $2 {[#]} (42... Qd2) 43. f5 $1 {Precision: White = 41%, Black = 34%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Pichot, Alan"]
[Black "Torres, Juan Camilo"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2577"]
[BlackElo "2275"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,105,40,38,33,52,26,31,31,51,18,17,11,10,8,25,0,23,15,33,0,27,10,10,-7,-12,-8,-13,-7,-3,-14,-24,-14,-14,-39,-45,-36,-45,-81,0,0,0,0,0,-16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0]} 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 Nd7 10. d4 Bf6 11. a4 Bb7 12. d5 Ne7 13. axb5 axb5 14. Rxa8 Qxa8 15. Na3 {[%cal Bb1a3,Ba3c2,Bc2b4][%mdl 32]} Ba6 {LiveBook: 77 Games} 16. Ba2 {C92: Closed Ruy Lopez: 9...Be6, Karpov and Flohr-Zaitsev Variations} (16. Nh2 Ng6 17. Ng4 Be7 18. Ne3 Rb8 19. Nec2 Nc5 20. Nb4 Bc8 21. Nc6 Rb6 22. Bc2 Bd7 23. b4 Nb7 24. Be3 Rxc6 25. dxc6 Bxc6 {½-½ (78) Dominguez Perez,L (2726)-Svidler,P (2739) Tbilisi 2015}) 16... g6 $146 ({Predecessor:} 16... c5 17. dxc6 Qxc6 18. Nc2 Qc7 19. Nb4 Bb7 20. Nh2 Ng6 21. Ng4 Be7 22. Bd5 Nb6 23. Bxb7 Qxb7 {1-0 (48) Magem Badals,J (2484)-Poyato Sala,J (2174) Banyoles 2003}) 17. Bh6 Bg7 18. Qd2 {White is slightly better.} f6 19. Nc2 Bc8 {[#] aiming for ...Bxh6.} 20. Nb4 Nc5 21. Bb1 {[%cal Ba2b1,Bb1c2,Bc2b3][%mdl 32]} Bd7 (21... Nb3 $5 {[%cal Rb3d2]} 22. Qe3 Nc5 $14) 22. Bc2 Qb7 (22... g5 $5 {[%cal Rg7h6]} 23. Bxg7 Kxg7 $14) 23. Be3 Na6 24. Bb3 (24. Ra1 $5 {[%cal Ra1a6]} Nxb4 25. cxb4 $11) 24... Kh8 25. Ra1 Ra8 26. Ne1 Nxb4 27. Rxa8+ Qxa8 28. cxb4 f5 {Hoping for ...f4.} 29. f3 (29. Qc3 $5 {[%cal Rc3c7]} Qc8 30. f3 $11 (30. Bg5 Ng8 $11)) 29... Ng8 30. exf5 Bxf5 31. Nd3 Bxd3 32. Qxd3 Qa1+ 33. Bd1 e4 (33... Bh6 $17 {...Bxe3+ is the strong threat.} 34. Bxh6 Nxh6) 34. fxe4 $11 {The position is equal.} Bxb2 35. Kf2 Bc3 36. Kf3 Be5 37. Be2 Qe1 {[%csl Ge5][%cal Re1g3] [#]} 38. Bf2 Qxb4 39. Qxb5 Qc3+ 40. Qd3 Qc1 {[%csl Ge5][%cal Rc1f4]} 41. Qe3 Qc2 42. g3 {[%cal Bg2g3,Bg3g4,Bg4g5][%mdl 32]} c5 43. dxc6 Qxc6 44. Kg2 Nf6 45. Bf3 Kg7 46. g4 Qc7 47. h4 Qd7 48. Qe2 Qf7 49. Be3 h5 50. g5 Nd7 51. Qc2 Nc5 52. Be2 Ne6 53. Qd2 {Precision: White = 63%, Black = 65%.} 1/2-1/2

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Peralta, Fernando"]
[Black "Pulvett Marin, Daniel"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2569"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,91,11,18,36,35,36,36,57,54,42,39,42,47,69,27,43,42,50,53,46,52,59,32,38,23,51,47,72,46,58,39,63,55,56,42,51,47,39,37,34,31,29,31,21,17,22,19,18,27,36,35,42,43,33,27,24,22,28,0,8,0,1,0,9,5,9,9,13,10,10,0,6,0,32,36,36,40,38,8,8,8,7,6]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d6 {E11: Bogo-Indian} 7. Be2 Nbd7 8. Qc2 (8. O-O e5 9. b4 exd4 10. Nxd4 Re8 11. f3 a5 12. N2b3 axb4 13. axb4 Rxa1 14. Nxa1 {½-½ (59) Rodshtein,M (2698)-Bachmann,A (2646) Chartres 2017}) 8... e5 {White is slightly better.} 9. Nb1 c6 10. O-O Re8 11. Nc3 Bf8 12. Rd1 exd4 13. Nxd4 Nc5 {[%cal Rc5e4]} 14. f3 a5 15. b3 $146 ({Predecessor:} 15. Be3 Qc7 16. b4 axb4 17. axb4 Rxa1 18. Rxa1 Na6 19. b5 Nb4 {½-½ (59) Slipak,S (2415)-Dolezal,C Buenos Aires 1991}) 15... g6 16. Rb1 Nh5 17. Be3 Qh4 18. Qd2 Bg7 {[#] And now ...Be5 would win.} 19. Bf2 (19. Bf1 {seems wilder.} Qe7 20. Bf2 Bf6 21. g3 Bg5 22. Qc2) 19... Qf6 20. Bf1 Rd8 21. Nde2 Be6 22. Bd4 Qe7 23. Bxg7 Nxg7 24. b4 axb4 25. axb4 Na4 26. Nxa4 Rxa4 27. Nc3 Raa8 28. Ra1 Rxa1 29. Rxa1 Ne8 30. Qd4 Qf6 31. Qxf6 Nxf6 32. Ra7 Rb8 33. Kf2 Nd7 34. Nb1 Kf8 35. Nd2 Ke8 36. Be2 Nb6 37. f4 Kd8 38. g4 f6 39. h4 Kc7 40. Ra5 Re8 41. Ra3 Bf7 42. g5 h6 43. gxf6 {Hoping for h5.} Nd7 44. Bf3 Nxf6 45. Ra1 g5 46. hxg5 {Precision: White = 70%, Black = 57%.} 1/2-1/2

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Cruz, Cristhian"]
[Black "Panesso Rivera, Henry"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2558"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,60,-42,-38,-93,-84,-87,-79,-79,-14,-40,-50,-58,3,0,0,-23,-20,-18,0,0,0,0,45,10,27,24,32,27,17,1,58,56,53,51,72,46,72,49,49,47,50,28,74,67,58,51,285,279,602]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 c5 7. Nf3 Ng4 $1 8. Bc1 {[#] E90: King's Indian: Classical: Early deviations and 6 h3} (8. h3 $15 Nxe3 9. fxe3) (8. O-O Nxe3 9. fxe3 Nc6 10. Qd2 Qa5 11. Rad1 a6 12. a3 Bg4 13. h3 Bxf3 14. Bxf3 cxd4 15. exd4 Bxd4+ {0-1 (38) Kajevic,D (2124)-Damljanovic,B (2539) Bihac 2010}) 8... cxd4 $1 $17 9. Nxd4 Qb6 10. Bxg4 {Black is better.} Qxd4 (10... Bxg4 $17 11. Qxg4 Qxd4) 11. Qxd4 (11. Be2 {looks sharper.} Qxd1+ 12. Nxd1 Nc6 13. Ne3 Be6 14. Rb1) 11... Bxd4 12. Nb5 {Hoping for Bxc8.} Bxg4 $146 (12... Bg7 $15 13. Be2 Nc6) ({Predecessor:} 12... Nc6 13. Nxd4 Nxd4 14. Bd1 f5 15. Be3 Nc6 16. exf5 Bxf5 {½-½ (48) Zesiger,H (2101)-Vucenovic,D (2272) Silvaplana 2003}) 13. Nxd4 $11 Nc6 14. Nc2 Be6 15. b3 f5 16. exf5 Bxf5 17. Ne3 Nd4 18. Kd2 (18. Bb2 $5 {[%cal Rb2d4]} Nc2+ 19. Nxc2 Bxc2 20. O-O $14) 18... Be4 (18... Bd7 $5 {[%cal Rf8f2]}) 19. f3 Bc6 20. Re1 (20. Bb2 $5 {[%cal Rb2d4]} Nf5 21. Rhe1 $11) 20... e5 21. Bb2 (21. Ba3 {is more complex.} Rad8 22. Red1 h5 23. Bb4 h4 24. h3) 21... Ne6 (21... Bxf3 $11 22. Bxd4 exd4 23. gxf3 dxe3+ 24. Rxe3 Rf5) 22. Rad1 $14 Rad8 23. Kc1 Rd7 24. Rd2 h5 25. Red1 Rfd8 26. Nd5 {And now Nf6+ would win.} Kf7 27. Ba3 Nd4 {[#]} 28. Nb4 $1 Nf5 29. Nd3 b6 $2 {[#]} ({Black should play} 29... Kf6 $14) 30. Bxd6 $1 $18 {[%mdl 512]} Ra8 $2 {Precision: White = 41%, Black = 28%.} (30... Rxd6 31. Nxe5+ Kf6 32. Nxc6 Rxd2 33. Rxd2 Rxd2 34. Kxd2 a5) 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Bacallao Alonso, Yusnel"]
[Black "Sevian, Samuel"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2554"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,76,0,16,0,0,-12,1,-10,0,0,12,-6,-6,-18,-27,-18,-14,-11,-16,-25,-16,-7,0,0,0,0,0,0,0,0,-2,-27,0,0,0,0,0,0,0,0,0,0,0,-19,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 O-O 8. O-O dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. a3 Rc8 12. b4 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran} a5 13. Qb3 e5 14. Ne4 Nxe4 15. Bxe4 g6 16. dxe5 (16. Bb2 $5 {[%cal Rd4e5]} exd4 17. Rad1 $11 (17. Nxd4 Bxh2+ 18. Kxh2 Qh4+ 19. Kg1 Qxe4 $11) (17. Bxd4 Qe7 $15)) 16... Nxe5 17. Nxe5 Bxe5 18. Bb2 a4 19. Qc2 Bxb2 20. Qxb2 {[#]} Qe7 $146 21. Qc2 Rfe8 22. Bf3 c5 {[#] aiming for ...Bxf3.} 23. Bxb7 Qxb7 24. bxc5 Re5 25. Rfc1 Qc6 {[%cal Re5c5]} 26. Rab1 Rxc5 (26... Rg5 {is more complex.} 27. g3 Rxc5 28. Qxc5 Qxc5 29. Rxc5 Rxc5 30. Kg2 Kf8) 27. Qxc5 {The position is equal.} Qxc5 28. Rxc5 Rxc5 $11 {[%mdl 4096] Endgame KR-KR} 29. Kf1 Kg7 30. Ke2 Rc3 31. Rxb5 Rxa3 32. Ra5 h5 33. h4 Ra2+ 34. Kf3 a3 35. Ra6 f5 36. g3 Kf7 37. Ra4 Kg7 38. Ra6 Kf7 {Precision: White = 59%, Black = 67%.} 1/2-1/2

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Ramirez, Alejandro"]
[Black "Duran Vega, Sergio"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2552"]
[BlackElo "2408"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,49,-32,-40,-31,-16,-23,-22,-22,17,-35,-35,-66,46,64,123,127,132,135,114,85,89,86,97,89,96,99,104,91,117,95,210,207,276,272,290,323,448,439,445,440,454,464]} 1. Nf3 d5 2. b3 e6 3. c4 d4 4. e3 Nc6 5. g3 $146 ({Predecessor:} 5. Bb2 e5 6. exd4 exd4 7. d3 Nf6 8. Be2 Be7 9. O-O O-O 10. Na3 Re8 11. Nc2 Bc5 {1-0 (42) Malakhov,V (2717)-Oparin,G (2526) Riga 2014}) 5... e5 6. Bg2 {A13: English Opening: 1...e6} dxe3 7. dxe3 Qxd1+ 8. Kxd1 {The position is equal.} Bf5 9. Bb2 (9. Ke2 $1 $11) 9... O-O-O+ $15 10. Kc1 Nb4 (10... Nf6 $15) 11. Nxe5 $14 f6 ({Black should play} 11... Nh6 $14) 12. a3 $16 Na6 {[%cal Bb4a6,Ba6c5,Bc5b3][%mdl 32] [#] White must now prevent ...Nc5.} 13. Nf7 $36 {[%mdl 2048] Threatens to win with Bxb7+! White has strong initiative.} Nc5 {[%cal Rc5b3]} 14. Bd4 Nxb3+ 15. Kb2 Rd7 16. Nxh8 Nxa1 17. Kxa1 Nh6 18. h3 Be6 19. g4 {Strongly threatening Be4.} Bd6 (19... Be7 $16) 20. Be4 $18 {c5 is the strong threat.} ({Inferior is} 20. Bxa7 Be5+ 21. Bd4 Rxd4 $11) 20... f5 21. Bc2 fxg4 22. c5 ({Less strong is} 22. Bxh7 g5 $16) 22... Bf8 23. hxg4 {White is clearly winning.} Bxg4 24. Bxh7 Nf5 25. Ng6 {Precision: White = 72%, Black = 37%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Morovic Fernandez, Ivan"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2537"]
[BlackElo "2395"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,108,6,9,-19,-11,0,-15,-32,6,11,22,0,0,0,0,0,0,-29,-38,-37,-6,-60,-55,-73,-43,-16,-16,-116,-117,-124,-116,-143,-118,-122,-111,-93,-96,-115,0,-3,0,0,0,0,0,0,0,-12,-6,-12,-14,-16,-12,-315,-320,-364,-350,-358,-357,-341,-304,-793,-793,-759,-753,-684,-456,-456,-456,-456,-443,-373,-371,-324,-310,-310,-304,-289,-229,-498,-493,-651,-615,-565,-552,-497,-406,-1641,-710,-1260,-1184]} 1. c4 c5 2. Nf3 Nc6 3. Nc3 e5 4. g3 Nf6 5. Bg2 Be7 6. O-O d6 7. d3 {A34: Symmetrical English: 2 Nc3, lines with ...d5} h6 8. a3 O-O 9. Rb1 a5 (9... Be6 10. b4 Qd7 11. Re1 b6 12. e3 e4 13. dxe4 Bxc4 14. bxc5 bxc5 15. e5 Ng4 16. Qa4 Ncxe5 17. Nxe5 Qxa4 18. Nxa4 Nxe5 19. Bxa8 Rxa8 {0-1 (50) Barbosa,O (2518)-Li,C (2720) chess.com INT 2017}) 10. Ne1 Be6 {LiveBook: 7 Games} 11. Nc2 d5 12. cxd5 Nxd5 13. Ne3 Nb6 14. b3 Rb8 {[#]} 15. Nc4 $146 ({Predecessor:} 15. Bd2 Bg5 16. f4 exf4 17. gxf4 {½-½ (55) Bindrich,F (2522)-Volodin,A (2422) Chotowa 2010}) 15... Nd5 16. Nxd5 Bxd5 17. Bh3 f6 18. Ne3 Bf7 $1 19. Nf5 Nd4 {[%cal Bc6d4,Bd4e6,Be6g5][%mdl 32]} (19... Re8 {keeps more tension.} 20. Bd2 Bf8 21. Ne3 b5 22. Re1 Nd4) 20. Nxe7+ (20. Bd2 $11) 20... Qxe7 $15 21. Bd2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 22. e3 Ne6 23. f4 (23. Bxa5 $11 {keeps the balance.} b4 24. Ra1) 23... b4 $1 $17 24. fxe5 fxe5 25. Bf5 g6 26. Be4 Ng5 27. Bg2 Be6 28. axb4 axb4 ({Black should play} 28... cxb4 $17 29. e4 Qa7+ 30. Kh1 Nh3 31. Bxh3 Bxh3) 29. e4 $11 Rxf1+ 30. Qxf1 Bf7 31. h4 Ne6 32. Bxh6 Nd4 33. Bg5 Qd6 34. Rb2 Bxb3 35. Rf2 $1 {[%cal Rf2f6] Hoping for Rf6.} Rf8 $36 {[%mdl 2048] Black has good play.} 36. Bf6 $2 {[%mdl 8192]} (36. Rxf8+ $11 Qxf8 37. Qa1) 36... Bc2 $1 $19 37. Bg5 {[#]} Rxf2 $1 38. Kxf2 b3 39. Bc1 Qb6 {aiming for ...c4.} 40. Bb2 $2 {[#]} (40. Kg1) 40... c4 $1 {[%mdl 512]} 41. dxc4 Nf5+ $1 42. Ke1 Ne3 43. Qe2 Qa5+ 44. Qd2 Nxg2+ 45. Ke2 {[#]} Qxd2+ $1 46. Kxd2 Kf7 (46... Bxe4 47. Bxe5 Kf7 48. Bd4 $19) 47. Bxe5 Ke6 ({Don't play} 47... Bxe4 48. Kc3 $19) 48. Bd4 Bxe4 49. Kc3 $2 (49. Bh8) 49... Bc2 50. Bf2 Kf5 51. c5 Kg4 52. c6 Kf3 53. c7 (53. Bc5 $142 Kxg3 54. c7) 53... Bf5 54. Bc5 Be6 {Precision: White = 37%, Black = 84%.} 0-1

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Rios, Cristhian Camilo"]
[Black "Ortiz Suarez, Isan Reynaldo"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "2499"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,76,-22,0,-8,-19,-9,0,-72,0,0,0,-50,-45,-72,-43,-40,-23,-52,0,6,10,21,22,27,21,-68,1,14,0,0,0,-69,-76,-119,-122,-117,-51,-106,-125,-194,-207,-267,-265,-268,-268,-260,-261,-275,-250,-435,-402,-419,-437,-485,-418,-452,-446,-435,-428]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. e4 {[%cal Be2e4,Be4e5][%mdl 32]} b5 7. e5 h6 8. Bh4 g5 9. Bg3 Nd5 10. Nd2 Bb7 {LiveBook: 27 Games. D44: Semi-Slav: Botvinnik System} 11. h4 g4 $146 ({Predecessor:} 11... Nxc3 12. bxc3 c5 13. Qb1 Qa5 14. Bxc4 Bc6 15. d5 exd5 16. Be2 Bg7 17. Qc2 Nd7 18. e6 {1-0 (38) Gormally,D (2520)-Thompson,I (2281) England 2011}) 12. Qxg4 Nd7 {The position is equal.} 13. h5 {[#]} (13. Nxd5 $11 {keeps the balance.} cxd5 14. Be2) 13... Qa5 (13... Nxc3 $1 $17 14. bxc3 Qa5) 14. Nxd5 $1 $11 cxd5 15. Qd1 Qb6 16. Rh4 Be7 17. Rg4 O-O-O 18. a4 Rhg8 ({Better is} 18... bxa4 $15 19. Qc2 Rhg8) 19. a5 Qc7 20. Rxg8 Rxg8 21. Qf3 f5 22. Bf4 (22. exf6 $1 $11 Bd6 23. Ra3) 22... Bg5 (22... Nb8 $15) 23. Bxg5 Rxg5 24. Qa3 Kd8 $36 {[%mdl 2048] Black has the initiative.} 25. f4 (25. Nf3 $11 Rxh5 26. Kd2) 25... Rg8 $15 26. a6 Bc6 27. Nf3 Nb8 (27... Nb6 $17 28. Nh4 Nc8) 28. Nh4 {[#]} (28. b3 $15) 28... Be8 $1 $17 29. Be2 (29. Ng6 $17 {was worth a try.}) 29... Nc6 $19 30. Qc5 Qe7 31. Qxe7+ Kxe7 32. Rd1 b4 {[%cal Bb5b4,Bb4b3][%mdl 32]} 33. Kf2 b3 34. g4 $2 (34. g3 {is a better defense.}) 34... fxg4 35. f5 {intending Ng6+.} Bxh5 36. f6+ Kd7 37. Ke3 Bf7 38. Ng2 h5 {Precision: White = 44%, Black = 44%.} 0-1

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Arenas, David"]
[Black "Flores, Diego"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2488"]
[BlackElo "2567"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,88,0,-7,58,16,25,16,70,47,52,20,81,69,101,84,91,67,64,61,108,81,73,67,75,52,40,33,68,-28,-28,-28,-24,-33,-30,-54,-59,-237,-229,-362,-359,-370,-372,-371,-360,-362,-370,-445,-454,-489,-484,-456,-373,-469,-476,-488,-472,-551,-543,-599,-579,-632,-626,-681,-669,-857,-837,-844,-837,-1343,-1263,-1516,-1516,-1393,-1376,-1342,-1443]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} d6 2. d4 Nf6 3. Nc3 c6 {[%cal Bc7c6,Bc6c5][%mdl 32]} 4. f4 Qa5 5. e5 Ne4 6. Bd3 Nxc3 7. Qd2 c5 {B07: Pirc Defence: Miscellaneous Systems} (7... g6 8. bxc3 Bh6 9. Nf3 dxe5 10. Nxe5 Nd7 11. Nc4 Qc7 12. O-O b5 13. Ne5 Nxe5 14. dxe5 O-O 15. Qf2 Bg7 {½-½ (65) Supi,L (2416)-Felgaer,R (2582) Montevideo 2015}) 8. bxc3 {LiveBook: 5 Games} dxe5 ({Black should try} 8... d5 $11) 9. dxe5 $146 ({Predecessor:} 9. fxe5 Nc6 10. Nf3 cxd4 11. cxd4 Qxd2+ 12. Bxd2 e6 13. O-O h6 14. c4 Bd7 15. Rab1 {1-0 (30) Ahmad,A (2345)-Amjad,A (2252) Baghdad 2010}) 9... e6 {The position is equal.} 10. Ne2 Nd7 (10... Be7 $11) 11. O-O $14 Be7 12. Kh1 Qc7 (12... Nb6 $11 {keeps the balance.}) 13. c4 $16 b6 14. Nc3 Bb7 15. a4 O-O 16. Qe3 Rfd8 17. Qh3 Nf8 {[%cal Bd7f8,Bf8g6,Bg6h4][%mdl 32]} 18. Bb2 Ng6 19. Rae1 Nh4 20. Re2 Rd7 21. f5 {[#]} (21. Kg1 $14) 21... Rxd3 $1 $11 {[%mdl 512]} 22. cxd3 Nxf5 23. Nd5 Qd8 $1 24. Rxf5 exf5 25. e6 $2 (25. Nxe7+ $15 Qxe7 26. Qxf5) 25... Bxd5 $19 26. Qg3 (26. cxd5 $142 Qxd5 27. Re5) 26... f6 27. cxd5 Qxd5 28. Re1 Bd6 29. Qh4 {Now Bxf6! and White clings on.} Re8 (29... Qxd3 $2 {[#]} 30. Bxf6 $1 {[%mdl 512]} gxf6 31. Qxf6 $19) 30. Bxf6 Rxe6 ({Don't play} 30... gxf6 31. Qxf6 Qb7 32. Qg5+ Qg7 33. Qxf5 $19) 31. Bc3 {Hoping for Qd8+.} Rxe1+ 32. Qxe1 Kf7 33. Qe2 g6 {Black is clearly winning.} 34. Kg1 Qb3 35. Bb2 Qxa4 36. Qf3 Qb3 37. Bc1 Be7 38. h3 a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 39. Bf4 a4 40. Qa8 Qxd3 41. Kh2 Qd4 42. Qb8 a3 43. Be5 Qd8 44. Qa7 Ke6 {Precision: White = 31%, Black = 51%.} 0-1

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Quintiliano Pinto, Renato R"]
[Black "Shabalov, Alexander"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "2483"]
[BlackElo "2556"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,120,20,58,62,50,49,54,29,50,43,46,5,6,14,46,-14,9,-33,19,-41,-27,-38,-37,-25,-28,-41,-27,-47,-39,-31,-29,-41,-16,-62,-53,-48,-56,-67,-35,-70,-51,-97,-97,-103,-99,-107,-103,-104,-69,-77,-65,-97,-70,-77,-64,-97,-87,-101,-85,-87,-83,-97,-94,-97,-89,-89,-83,-100,-104,-103,-95,-116,-101,-181,-176,-164,-171,-169,-122,-118,-118,-119,-119,-118,-118,-141,-130,-137,-127,-143,-69,-74,-68,-97,-70,-91,-74,-80,-78,-85,-66,-64,-65,-60,-60,-104,-65,-271,-266,-793,-737,-802,-719]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 {A58: Benko/Volga Gambit: Lines with 5 bxa6} Bg7 (6... Bxa6 7. Nf3 Bg7 8. e4 Bxf1 9. Kxf1 d6 10. g3 O-O 11. Kg2 Na6 12. Qe2 Qb6 13. Rd1 Qb7 14. Rb1 Nd7 15. Bg5 Rfe8 16. a3 Nc7 17. Qc2 Nb6 18. a4 Rac8 19. b3 e6 20. dxe6 Nxe6 {1-0 (27) Jakovenko,D (2714)-Zvjaginsev,V (2673) Moscow 2016}) 7. e4 O-O 8. Nf3 {White is slightly better.} Qa5 {With the idea ...Nxe4.} 9. Bd2 Bxa6 10. Bxa6 Qxa6 11. Qe2 d6 12. Rb1 (12. a4 $14) 12... Nfd7 13. b3 $146 ({Predecessor:} 13. Qxa6 Nxa6 {0-1 (58) Sirosh,I (2314)-Meskovs,N (2451) Viljandi 2015}) 13... f5 (13... Qxe2+ $15 14. Kxe2 f5) 14. a4 (14. Qe3 $1 $11) 14... Bxc3 $15 15. Bxc3 Qxe2+ 16. Kxe2 fxe4 17. Ng5 Nb6 18. Rhd1 Rf5 19. Nxe4 Nxd5 20. Ba1 Nc6 21. Ng3 Nf4+ 22. Kf1 $1 Rff8 $36 {[%mdl 2048] Black has the initiative.} 23. Ne4 Ne6 24. Nc3 Nc7 25. Nb5 Nxb5 26. axb5 Nb4 27. Bc3 Nc2 {[#] White must now prevent ...Ne3+.} 28. Rd3 Rab8 29. Rc1 Na3 30. Re3 Rf7 ({Don't play} 30... Nxb5 31. Rxe7 Rf7 32. Re3 $11) 31. b4 Rxb5 {Hoping for ...Nc4.} 32. bxc5 Rxc5 33. Rd1 Nb5 34. Be1 Nc7 35. Red3 Rff5 36. Ra1 Nd5 37. Bd2 Nf6 38. Be1 Kf7 39. h3 h5 40. Bd2 Ne4 41. Be3 (41. Be1 $17) 41... Rc2 $19 {[%cal Re4f2]} 42. f3 Ng3+ 43. Kg1 Ne2+ 44. Kh2 Rb5 45. h4 Rb4 {[%cal Rb4h4]} 46. Kh3 Rcc4 {[%csl Gb4][%cal Rc4h4]} 47. g3 Rc2 48. Bg5 Nd4 {...Rbb2 is the strong threat.} 49. Ra7 {[#]} Re2 (49... Nc6 $1 $17 {[%cal Rc6a7]} 50. Rc7 Rbb2) 50. g4 $15 Re5 51. Bf4 Re6 (51... Nb5 {feels hotter.} 52. Bxe5 Nxa7 53. Bg3 Ke6 54. Rc3 Nb5) 52. Bd2 Rc4 53. gxh5 gxh5 54. Ra5 Rf6 55. Rxh5 Nxf3 56. Rh7+ Ke6 57. Bc3 Rff4 {[%cal Rf3h4]} 58. Kg3 $2 (58. Re3+ $15 Rce4 59. Rxe4+ Rxe4 60. Ba5) 58... Nxh4 $19 59. Re3+ $2 (59. Rh6+ Kd7 60. Rh5) 59... Kd5 {Threatens to win with ...Nf5+.} 60. Rh5+ Nf5+ {Precision: White = 33%, Black = 58%.} 0-1

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Tang, Andrew"]
[Black "Fier, Alexandr"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2461"]
[BlackElo "2576"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,17,14,10,20,7,22,-9,-2,-9,0,-12,-11,-3,93,102,129,127,193,27,49,32,61,19,22,20,47,37,58,27,30,11,16,17,23,0,18,22,34,33,50,42,34,40,51,36,70,53,43,39,177,162,189,177,210,212,211,206,147,135,662,677,788,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bf4 c5 3. e3 Nd5 (3... g6 4. c3 Qb6 5. Qb3 Bg7 6. Nd2 O-O 7. Nc4 Qd8 8. Nf3 cxd4 9. exd4 Nc6 10. Be2 d6 11. Rd1 {1-0 (36) Kamsky,G (2661)-Sokolov,I (2632) Stockholm 2017}) 4. Bg3 Qb6 5. b3 cxd4 6. exd4 {A45: Trompowsky Attack} g6 7. Nf3 Bh6 8. c3 $146 (8. c4 $5 {[%cal Rc4d5]} Nf6 9. Bd3 $14) ({Predecessor:} 8. Bc4 Qb4+ 9. Kf1 Qa5 10. c3 Nf4 11. Ne5 {1-0 (37) Tran,M (2293)-Tabatabaei,M (2493) Khanty-Mansiysk 2016}) 8... Nf4 9. Ne5 d6 10. Ng4 Bxg4 $1 11. Qxg4 {Black must now prevent Qc8+.} Ne6 (11... f5 $11 12. Qh4 Nh5) 12. Bc4 $1 $16 Nd8 13. O-O e6 (13... Nbc6 $16 {keeps fighting.} 14. Qh4 Bg7) 14. Bf4 $2 (14. Na3 $18) 14... Bxf4 15. Qxf4 Nd7 16. Nd2 d5 17. Bd3 Nc6 18. Rfe1 Qd8 19. Nf3 O-O 20. Re3 Kg7 21. Rae1 Rc8 22. Bb1 Qf6 (22... Qc7 $5 {[%cal Rc7f4]} 23. Qh4 Qd8 $11) 23. Qg3 h6 24. h4 $36 {[%cal Bh2h4,Bh4h5][%mdl 2080] White fights for an advantage.} b5 25. Nh2 Kh8 26. h5 {[%cal Rh5g6]} g5 27. Ng4 Qg7 28. f4 {[%cal Bf2f4,Bf4f5,Bf5e6,Be6f7][%mdl 32] aiming for f5.} b4 {Strongly threatening ...bxc3.} 29. f5 bxc3 ({Better is} 29... Nf6 $1 $14) 30. fxe6 $18 Nf6 31. exf7 $1 (31. Rxc3 fxe6 32. Rxe6 Nxg4 $11) 31... Nxd4 {...c2 is the strong threat.} 32. Nxf6 Qxf6 33. Rf1 Qg7 {With the idea ...c2.} 34. Qd6 $1 c2 $2 {[%mdl 8192] [#]} (34... g4 $16 35. Bg6 c2) 35. Bxc2 $1 {[%mdl 512]} Nxc2 {[#]} (35... Rxc2 36. Re8) 36. Re6 $2 ({White has to play} 36. Rf6 $1 $18 {[%cal Rf6h6][%mdl 512]} Rxf7 37. Rxf7 Qxf7 38. Re7 Qxe7 39. Qxe7) 36... Qd4+ $11 {The position is equal.} (36... Rxf7 $2 37. Rxh6+ Kg8 38. Rxf7 $18) 37. Rf2 (37. Kh1 $5 {[%cal Re6h6]} Qh4+ 38. Kg1 Qd4+ 39. Kh2 Qh4+ 40. Kg1 Qd4+ $11) 37... Qd1+ (37... Rxf7 $2 38. Rxh6+ Rh7 39. Rxh7+ Kxh7 40. Qd7+ Kh6 41. Qxc8 $18) 38. Rf1 Qd4+ 39. Rf2 Qd1+ {Precision: White = 60%, Black = 41%.} ({But not} 39... Rxf7 $2 40. Rxh6+ Rh7 41. Rxh7+ Kxh7 42. Qg6+ Kh8 43. Qh6+ Kg8 44. Qe6+ (44. Qxg5+ Qg7 $16) 44... Kg7 45. Qg6+ Kh8 46. Qh6+ Kg8 47. Qe6+ (47. Qxg5+ Qg7 $16) 47... Kg7 48. Qxc8 $18) 1/2-1/2

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Gallego Alcaraz, Andres Felipe"]
[Black "Vasquez Schroeder, Rodrigo"]
[Result "0-1"]
[ECO "A61"]
[WhiteElo "2453"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "164"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,164,52,63,20,30,30,30,33,13,8,15,14,20,14,32,32,33,33,31,0,20,0,8,0,0,0,0,0,8,8,10,0,10,14,17,14,11,19,30,0,49,59,42,33,52,57,89,84,80,73,46,0,0,0,32,0,0,0,27,0,0,0,0,0,0,0,0,0,6,0,19,12,11,12,11,11,11,11,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-92,-118,-789,-306,-830,-818,-681,-581,-819,-746,-747,-716,-714,-438,-854,-850,-818,-745,-880,-1250,-2044,-2288,-3339,-2315,-29973,-29974,-29975,-29975,-29977,-29979,-29979,-29979,-29984,-29985]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. Bf4 a6 8. a4 Bg7 9. h3 O-O 10. e3 Ne8 {A61: Modern Benoni: Nf3 without early e4} 11. Be2 Nd7 12. O-O Rb8 13. Nd2 Qe7 14. a5 Ne5 {LiveBook: 19 Games} 15. Na4 Bd7 16. Nb6 Bb5 17. Bxe5 Bxe5 {[#]} 18. Ndc4 $146 Bg7 19. Rb1 Nf6 20. Na3 Bxe2 21. Qxe2 Ne4 22. Nac4 f5 23. Rfe1 Rbe8 24. Nd2 Ng5 25. f4 Ne4 26. Nbc4 Qd7 27. Kh2 Bf6 28. Nxe4 Rxe4 29. b3 Bc3 30. Rec1 Bb4 31. Qf3 Qd8 32. Ra1 {[%cal Bb1a1,Ba1a2,Ba2g2][%mdl 32]} Rfe8 33. Ra2 Rf8 34. g4 Re7 35. gxf5 Rxf5 36. Rg1 Ref7 {[#]} 37. Rg4 $1 Qf8 38. Rag2 Kh8 39. Qd1 Bc3 40. Qd3 Bg7 41. Rg5 R5f6 42. Nd2 Bh6 43. R5g3 Rf5 44. Nc4 {[%cal Bd2c4,Bc4b6,Bb6c8][%mdl 32]} R7f6 45. Qe4 Qf7 46. Rg5 Bf8 47. Nb6 Be7 48. Rxf5 Rxf5 49. Nc8 Bf8 50. Qe6 Kg7 51. Qxf7+ Kxf7 $11 {[%mdl 4096] Endgame KRB-KRN} 52. Nb6 Be7 53. Rf2 g5 54. Kg2 Kg6 55. e4 Rxf4 56. Rxf4 gxf4 {KB-KN} 57. Nc8 Bf8 58. Kf3 Kg5 {[#]} 59. h4+ $1 {[%mdl 512]} Kf6 (59... Kxh4 60. e5 $14) 60. Nb6 Bh6 61. Nc4 Ke7 62. e5 dxe5 63. Nxe5 Bg7 64. Nc4 h5 65. Kxf4 {Kg5 is the strong threat.} Bf6 66. Kg3 (66. Kf5 $1 $11 Bxh4 67. Kg6) 66... Kd7 $17 67. Kh3 $2 {[%mdl 8192]} (67. Kf2 $17) 67... Bc3 $19 68. Kg3 $2 (68. Kh2 Be1 69. Kg2) 68... Be1+ 69. Kh3 Ke7 70. Kg2 Bxh4 71. Kf3 Be1 72. Kf4 Kf6 73. Nd6 (73. Kf3 $142 Kf5 74. Ke2) 73... Bxa5 {( -> ...Bc7)} 74. Ne4+ Ke7 75. Nxc5 Bb4 76. Ne4 h4 77. Kg4 b5 {[%cal Bb7b5,Bb5a4][%mdl 32]} 78. Kxh4 a5 {Black mates.} 79. d6+ Ke6 80. Kg4 a4 81. bxa4 bxa4 82. d7 Kxd7 {Precision: White = 54%, Black = 73%.} 0-1

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Zapata, Alonso"]
[Black "Mekhitarian, Krikor Sevag"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "2420"]
[BlackElo "2542"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,88,35,43,50,45,27,43,18,26,0,18,-22,7,-33,35,-25,-26,-88,-71,-225,-153,-139,0,0,0,0,0,0,0,0,0,0,25,15,72,59,62,65,86,52,59,32,57,55,57,29,288,269,295,258,624,618,595,575,569,547,792,722,29987,29988,29988,29989,29989,29990,29990,29991,29991,29992,29996,29997,29997]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Bb3 Be7 8. Be3 Bd7 9. Qe2 a6 10. O-O-O Na5 11. g4 {[%cal Bg2g4,Bg4g5][%mdl 32] B89: Sicilian: Velimirovic Attack} g6 (11... h5 12. h3 Nxb3+ 13. axb3 Qa5 14. Kb1 O-O-O 15. g5 Ne8 16. h4 g6 17. b4 Qxb4 18. Nb3 Bc6 {1-0 (89) Zsiltzova Lisenko,L (2276)-Draghici Flutur,G (2204) Calimanesti 2010}) 12. g5 Nh5 13. f4 {White is slightly better.} O-O $146 ({Predecessor:} 13... Nxb3+ 14. Nxb3 b5 15. Rhe1 b4 16. Nb1 Bb5 17. Qf2 O-O 18. Nd4 Bd7 {1-0 (37) Springer,G (1963)-Klemm,M Berlin 2007}) 14. Kb1 b5 15. e5 dxe5 16. fxe5 (16. Nf3 $5 {[%cal Rf3e5]} exf4 17. Ne5 fxe3 18. Nxd7 $11 (18. Rxd7 Qb6 $15)) 16... Nxb3 (16... Qb8 $15) 17. axb3 (17. Nxb3 $14 Qe8 18. Nc5) 17... Qc7 $11 18. Bc1 (18. Rhe1 $11) 18... Rfd8 19. Nf5 $2 (19. Rhe1 $17 {is a better defense.}) 19... gxf5 20. Qxh5 Qxe5 (20... Be8 $17 {White must now prevent ...b4.} 21. Bf4 b4 22. Rxd8 Rxd8) 21. Rhe1 Qg7 $1 {[#]} 22. Nd5 $1 {[%cal Rd5e7][%mdl 512]} exd5 23. Rxe7 Be6 24. Bf4 $36 {[%mdl 2048] White is more active.} d4 25. Qe2 Rd5 26. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Rad8 (26... Qf8 $11 {keeps the balance.} 27. Rc7 Rc8) 27. Rd3 Qf8 28. Rc7 R5d7 29. Rxd7 Rxd7 30. h5 Qa8 31. Qe5 $1 {[%mdl 1024] Threatens to win with h6. White has compensation.} Rd5 $1 {[%cal Rd5e5]} 32. Qe1 Rd8 $2 {[%mdl 8192] [#]} (32... Rd7 $1 $11 {and Black stays safe.}) 33. g6 $1 $18 {[%mdl 512]} Qe4 (33... fxg6 34. Qxe6+) 34. Qh4 Rc8 $2 (34... Rd7 35. gxh7+ Kxh7) 35. gxh7+ Kxh7 36. Qg5 $1 {[%cal Rg5h6] White wants to mate with Qh6+.} Qe1+ {[#]} 37. Bc1 $1 Qf2 {[#]} 38. Ka2 $1 Rxc2 39. h6 {[%csl Gh6][%cal Rg5g7] White mates.} Qg2 40. Rg3 {[%csl Gg3][%cal Rg5g8]} Bxb3+ 41. Kxb3 {[%csl Gg3][%cal Rg5g8]} Rxb2+ 42. Bxb2 {[%csl Gg3,Gh6][%cal Rg5g7]} Qd5+ 43. Kc2 {[%csl Gg3,Gh6][%cal Rg5g7]} Qe4+ 44. Kd2 {[%csl Gg3,Gh6][%cal Rg5g7]} Qe3+ {Precision: White = 52%, Black = 40%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Prasca Sosa, Rafael Felipe"]
[Black "Erenburg, Sergey"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2400"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,70,3,7,-12,-6,-25,-22,-44,0,0,-4,0,-11,-28,-20,-25,-2,-35,-33,-58,-59,-68,-69,-72,-51,-114,-107,-127,-110,-106,-105,-104,-110,-168,-115,-160,-165,-173,-154,-170,-143,-329,-314,-329,-295,-399,-304,-516,-504,-510,-498]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. N1e2 Nf6 8. Nf4 Bh7 9. Bc4 e6 10. c3 Bd6 11. Ngh5 {B18: Classical Caro-Kann: 4...Bf5 sidelines} O-O {LiveBook: 9 Games} 12. Be3 (12. g4 e5 13. g5 exf4 14. gxf6 g6 15. Qf3 Kh8 16. Bxf4 gxh5 17. Bxh6 Re8+ 18. Kd2 Bg6 19. Rhg1 Kh7 20. Bxf7 Bxf7 21. Qf5+ Kh8 22. Rg7 {1-0 (22) Kuzubov,Y (2667)-Ezat,M (2479) Dubai 2015}) 12... Nbd7 13. Nxf6+ {The position is equal.} Nxf6 14. Nh5 $146 ({Predecessor:} 14. Qe2 a5 15. a4 Nd5 16. Nd3 Rb8 17. Ne5 Bxe5 18. dxe5 b5 19. axb5 cxb5 20. Bxd5 Qxd5 {0-1 (27) Gundogan,C (2072)-Kathmale,S (2339) Kocaeli 2013}) 14... Be4 15. Bd3 Bf5 ({Not} 15... Bxg2 $2 16. Rg1 $18) 16. Nxf6+ Qxf6 17. Qc2 a5 18. O-O-O a4 19. Bxf5 exf5 {[%cal Be6f5,Bf5f4][%mdl 32]} 20. Rh3 f4 21. Bd2 Rfe8 22. Qd3 Re7 23. Kb1 (23. a3 $15) 23... Rae8 $17 24. g4 fxg3 25. fxg3 Qe6 $36 {[%mdl 2048] Keeping White busy.} 26. Rhh1 Qg4 27. c4 (27. Rhg1 $17) 27... Qxg3 (27... Re4 $19 28. Bc1 Qxg3) 28. Qc2 Re2 29. Qxa4 Qd3+ 30. Qc2 Qxd4 {[#]} 31. Qc1 $2 (31. Bxh6 $1 $17 {[%mdl 512]} Qf2 (31... gxh6 32. Rxd4) 32. Qb3) 31... Be5 $19 32. Ka1 Qe4 33. Rhg1 Kh7 34. Bc3 $2 (34. h5) 34... Rc2 35. Qb1 {[#] Hoping for Rde1.} Bxc3 {Precision: White = 16%, Black = 67%.} 0-1

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Chumpitaz, Ann"]
[Black "Vera Siguenas, Deivy"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2163"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,127,0,8,4,12,4,10,6,27,33,23,26,22,28,36,28,41,43,42,41,52,46,47,20,37,30,53,0,53,-7,73,0,0,0,35,3,36,11,52,42,33,31,35,13,12,16,12,10,9,3,7,-25,0,0,0,-13,10,27,18,7,31,30,30,0,0,-115,-116,-179,-173,-275,-267,-276,-262,-250,-236,-256,-256,-234,-102,-105,-118,-117,-107,-87,-92,-179,-33,-49,-15,-26,0,0,0,0,0,-16,0,0,0,0,0,-4,-4,-4,-4,-4,-4,-4,-4,-4,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Qc2 Bxd2+ {LiveBook: 82 Games} 6. Nfxd2 {E11: Bogo-Indian} (6. Nbxd2 Nc6 7. g3 d6 8. Bg2 e5 9. d5 Nb8 10. e4 O-O 11. O-O a5 12. Qc3 Nbd7 13. b3 c6 14. a3 Nc5 15. Rfe1 Bd7 16. Bf1 Bg4 17. Nh4 g5 18. Ng2 Bd7 19. b4 axb4 20. axb4 {½-½ (51) Ponkratov,P (2613)-Antipov,M (2529) Moscow 2015}) 6... d6 7. Nc3 O-O 8. e3 e5 9. d5 c6 10. Be2 $146 ({Predecessor:} 10. Bd3 Na6 11. a3 Bd7 12. Rc1 Nc5 13. O-O cxd5 14. cxd5 {½-½ (38) Magai,B-Ilinsky,V (2340) Frunze 1989}) 10... Na6 11. O-O Bd7 12. e4 Rac8 13. Qb3 Rb8 14. Qa3 c5 15. Nb5 Ra8 16. Rac1 Ne8 17. Qe3 Nac7 18. a3 (18. Nc3 $14) 18... a5 (18... Nxb5 $11 19. cxb5 f5) 19. h3 (19. Nc3 $14) 19... a4 {[#]} (19... Nxb5 $11 20. cxb5 a4) 20. b4 (20. Nc3 $1 $16) 20... axb3 21. Qxb3 Bc8 22. Rc2 g6 23. Ra2 Na6 {[%cal Bc7a6,Ba6b8,Bb8d7,Bd7f6][%mdl 32]} 24. Nc3 Nb8 25. Qc2 Ng7 26. Na4 Nd7 27. Rb1 Ra6 28. Nc3 f5 29. Bf3 Nf6 30. Rb5 g5 31. exf5 Nxf5 32. Ne2 Nh4 33. Ng3 Nxf3+ 34. Nxf3 g4 35. hxg4 Nxg4 36. Qd2 Rf4 {[%cal Bf8f4,Bf4c4,Bc4c1][%mdl 32]} 37. a4 (37. Qc1 $11) 37... Rxc4 $17 38. a5 e4 39. Qg5+ (39. Ne1 $142) 39... Qxg5 $19 40. Nxg5 e3 41. fxe3 Rc1+ ({Resist} 41... Nxe3 42. Rb1) 42. Nf1 Nxe3 43. Rf2 c4 (43... Nxd5 $19 {Threatens to win with ...Nc3.} 44. Re2 Kg7) 44. Ne6 {[%csl Ge6][%cal Rf2f8] [#]} Rxf1+ $1 45. Rxf1 Nxf1 46. Kxf1 $17 {[%mdl 4096] Endgame KRB-KRN} Kf7 47. Nf4 (47. Nd4 $17 {was worth a try.}) 47... Ke7 ({Black should try} 47... Kf6 $19 {White must now prevent ...Ke5.} 48. Rb4 Rxa5 49. Rxc4 Bf5) 48. Ke1 Kd8 49. Kd2 Kc7 50. Ne6+ {The position is equal.} Bxe6 51. dxe6 $11 {KR-KR} Ra8 52. Kc3 Kc6 53. Kxc4 Rg8 54. Rb6+ Kc7 55. e7 Re8 56. Kd5 $132 {[%mdl 2048] White has counterplay} Rxe7 {Strongly threatening ...Re5+.} 57. Rxd6 Rg7 {aiming for ...Rg5+.} 58. Rh6 Kb8 59. Kc5 Ka7 60. Kb5 Rg5+ 61. Kb4 Rg4+ 62. Kb5 Rg5+ 63. Kb4 $1 Rg4+ 64. Kb5 {Precision: White = 44%, Black = 48%.} 1/2-1/2

