[Event "Bionext Festival 2019"]
[Site "Chihuahua"]
[Date "2019.12.01"]
[Round "6.1"]
[White "Cuenca Jimenez, Jose Fernando"]
[Black "Ortiz Suarez, Isan Reynaldo"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2523"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,92,0,0,-7,-8,-12,0,0,-7,0,0,0,27,29,17,22,19,17,60,0,12,26,31,-4,28,43,95,-7,0,0,0,0,-12,-48,-33,-101,-105,-117,-147,-144,-96,-89,-95,-100,-36,-84,-89,-83,-42,-53,-59,-146,-158,-164,-158,-161,-145,-264,-247,-478,-473,-481,-473,-452,-469,-599,-586,-835,-841,-919,-755,-1169,-1072,-1312,-971,-5912,-1077,-29981,-29982,-29982,-29983,-29983,-29984,-29983,-29981]} 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 e6 (5... g6 6. b3 Bh6 7. f4 f5 8. Bb2 Nf6 9. O-O-O O-O 10. Kb1 Bg7 11. exf5 Bxf5 {1-0 (37) Caruana,F (2819)-Vachier Lagrave,M (2779) Stavanger 2019}) 6. b3 {B23: Closed Sicilian: Lines without g3} Nf6 7. Bb2 a6 8. O-O-O {The position is equal.} b5 9. f3 Be7 10. Kb1 Bb7 $146 ({Predecessor:} 10... O-O 11. g4 {0-1 (64) Sevian,S (2665)-Yanayt,E (2264) Sturbridge 2019}) 11. g4 O-O 12. h4 Nd7 13. g5 Nb6 14. Bd3 (14. a3 $14) 14... Rc8 15. f4 d5 16. Nf3 Qc7 (16... Nb4 $5 {[%cal Rb4d3]}) 17. f5 {Threatens to win with exd5.} b4 (17... d4 $14 18. Ne2 Bb4) 18. exd5 (18. Nxd5 $1 $16 exd5 19. f6) 18... Ne5 $11 ({Don't do} 18... Nd4 19. Ne4 $17) 19. Ne4 Nxf3 20. Qg2 (20. Qe2 $5 {[%cal Re2f3]} exd5 21. Nf2 $15) 20... Ne5 $1 21. f6 (21. Bxa6 {keeps more tension.} exf5 22. Bxe5 Qxe5 23. Nf6+ Kh8 24. Bxb7 gxf6 25. Rhe1) 21... Nxd3 ({Wrong is} 21... exd5 $2 22. fxe7 Qxe7 23. Nf6+ $1 {[%mdl 512]} Kh8 24. Rhe1 $18) 22. fxe7 {[#]} (22. Rxd3 $15 Nxd5 23. fxe7 Nxe7 24. Re1) 22... Nxb2 $1 $17 {[%mdl 512]} 23. exf8=Q+ (23. Kxb2 Qxe7) 23... Kxf8 24. Kxb2 {d6 is the strong threat.} Nxd5 25. Qf2 {[#]} Nc3 $1 26. Nxc3 bxc3+ ({Black should play} 26... Qxc3+ $17 27. Kb1 Bxh1 28. Rxh1 Qc5) 27. Kb1 {Strongly threatening Rhe1.} Bxh1 28. Rxh1 {[%mdl 4096] Endgame KQR-KQR} Qd6 29. Rf1 {[%csl Gf1][%cal Rf2f7]} Rc7 $1 30. Qe3 (30. Ka1 $1 $15) 30... Qa3 $40 {[%csl Gc3][%cal Ra3b2][%mdl 128] Black goes for the king.} 31. Qc1 Qxc1+ 32. Kxc1 $19 {KR-KR} Ke7 33. h5 (33. Kd1 $17) 33... Rc5 34. Rf3 $2 (34. Rg1) 34... Rxg5 {( -> ...Rg1+)} 35. Rxc3 Rxh5 36. Rc7+ Kf6 37. b4 g5 38. Rc5 Rh1+ 39. Kd2 g4 {Hoping for ...g3.} 40. Ke2 h5 41. a4 h4 42. b5 axb5 (42... g3 $142 43. Kf3 Rf1+ 44. Kg2 Rf2+ 45. Kg1 h3) 43. axb5 g3 {Black mates.} 44. Kf3 Rf1+ 45. Kg2 Rf2+ 46. Kg1 h3 {Accuracy: White = 42%, Black = 56%.} 0-1

[Event "Bionext Festival 2019"]
[Site "Chihuahua"]
[Date "2019.12.01"]
[Round "6.2"]
[White "Cori, Jorge"]
[Black "Martinez Molina, Carlos Al"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2651"]
[BlackElo "2169"]
[Annotator "ChessBase"]
[PlyCount "55"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} c5 {[%emt 0:01:08]} 2. d5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:07]} 3. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:15]} 4. Nc3 {[%emt 0:00:05]} exd5 {[%emt 0:00:05]} 5. cxd5 {[%emt 0:00:04]} d6 {[%emt 0:00:05]} 6. Nf3 {[%emt 0:00:03]} g6 {[%emt 0:00:44]} 7. Bf4 {[%emt 0:00:05]} Bg7 {[%emt 0:03:32]} 8. h3 {[%emt 0:01:02]} O-O {[%emt 0:00:59]} 9. e3 {[%emt 0:00:03]} Na6 {[%emt 0:02:55]} 10. Bc4 {[%emt 0:04:06]} Nc7 {[%emt 0:02:32]} 11. a4 {[%emt 0:00:58]} a6 {[%emt 0:07:30]} 12. O-O {[%emt 0:05:34]} Rb8 {[%emt 0:04:32]} 13. a5 {[%emt 0:00:06]} b5 {[%emt 0:03:30]} 14. axb6 {[%emt 0:00:06]} Rxb6 {[%emt 0:00:04]} 15. Qe2 {[%emt 0:04:57]} Re8 {[%emt 0:04:21]} 16. Rac1 {[%emt 0:02:25]} Nh5 {[%emt 0:06:02]} 17. Bh2 {[%emt 0:00:19]} f5 {[%emt 0:01:24]} 18. Na4 {[%emt 0:08:16]} Rb4 {[%emt 0:08:27]} 19. Nxc5 {[%emt 0:00:06]} Rxc4 {[%emt 0:00:06]} 20. Qxc4 {[%emt 0:00:09]} dxc5 {[%emt 0:00:05]} 21. Bxc7 {[%emt 0:02:12]} Qxc7 {[%emt 0:00:06]} 22. b4 {[%emt 0:00:18]} Re4 {[%emt 0:05:52]} 23. d6+ {[%emt 0:06:22]} Rxc4 {[%emt 0:01:56]} 24. dxc7 {[%emt 0:00:05]} Rxc1 {[%emt 0:00:11]} 25. Rxc1 {[%emt 0:00:03]} cxb4 {[%emt 0:02:08]} 26. Rd1 {[%emt 0:00:05]} Kf7 {[%emt 0:01:04]} 27. Rd8 {[%emt 0:00:08]} Bb7 {[%emt 0:00:04]} 28. Rb8 {[%emt 1:06:23] Ke8} 1-0

[Event "Bionext Festival 2019"]
[Site "Chihuahua"]
[Date "2019.12.01"]
[Round "6.3"]
[White "Garcia Quiroz, Omar Alejandro"]
[Black "Rodriguez Rivera, Pedro"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2034"]
[BlackElo "2188"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,59,64,64,72,60,60,48,71,58,67,66,56,40,67,62,59,39,83,82,81,73,84,55,115,35,227,231,462,459,687,660,691,683,631,647,682,682,662,611,1543,1504,5506,5501,29992,29993,29995,29996]} 1. d4 d6 2. Nf3 Nf6 3. c4 Nbd7 4. Nc3 e5 5. e4 Be7 6. Be2 O-O 7. O-O exd4 8. Nxd4 g6 {A55: Old Indian Defence with Nf3 and e4} (8... Nc5 9. f3 a5 10. b3 Re8 11. Be3 Bf8 12. Qd2 c6 13. Rad1 Qc7 14. Rfe1 Kh8 15. Bf1 Bd7 16. Kh1 {1-0 (35) Giri,A (2732)-Abdel Razik,K (2450) Antalya 2013}) 9. Re1 $146 ({Predecessor:} 9. Qc2 c6 10. Bf4 Qb6 11. Rad1 Nc5 12. Nb3 Nxb3 13. axb3 Rd8 14. Na4 Qc7 15. c5 Be6 16. Nc3 Ne8 17. Rd4 Qc8 18. cxd6 Bxd6 19. Bxd6 Rxd6 20. Rxd6 Nxd6 21. e5 Ne8 22. Bc4 Bf5 {½-½ (22) Santarius,E (2407)-Rodriguez Rivera,P (2183) Greensboro 2019}) 9... Re8 10. f3 a5 {White is slightly better.} 11. Bh6 Nc5 12. Qd2 c6 13. Rad1 Qb6 14. Kh1 Nfd7 15. g4 Ne5 16. Nf5 Bxf5 17. gxf5 Ned7 18. fxg6 (18. Qd4 $6 Bf6 $11) 18... hxg6 {[#]} (18... fxg6 $14 19. Rb1 (19. Qd4 Bf6 $11) 19... Bf8) 19. Rg1 ({Don't play} 19. Qd4 $6 Bf6 $11) (19. f4 $1 $16) 19... Nf8 $2 {[#]} ({Black should play} 19... Bf8 $14) 20. f4 $1 $18 ({Stronger than} 20. Qd4 Nfe6 $11) 20... Rad8 $2 (20... Bf6 21. f5 (21. Qxd6 $2 Bxc3 22. bxc3 Nxe4 $19 {[%mdl 64] Double Attack}) 21... Nxe4 22. Nxe4 Rxe4) 21. f5 ({Not} 21. Qd4 Nfe6 $16) 21... Ncd7 (21... Nce6 $142 22. Be3 Qc7) 22. Bh5 Ne5 23. Bxf8 Bxf8 24. fxg6 fxg6 25. Bxg6 {Strongly threatening Qg5.} Re7 26. Bf5+ Bg7 {and the idea ...Nf3 leaves Black hopeful.} 27. Qh6 {Threatening mate with Be6+.} Kf8 {[#]} 28. Be6 $3 {[%mdl 512] White threatens Qh8+! and mate.} Rf7 29. Rxg7 {[%mdl 64] Deflection} Rxg7 30. Rf1+ {Accuracy: White = 75%, Black = 31%.} 1-0

[Event "Bionext Festival 2019"]
[Site "Chihuahua"]
[Date "2019.12.01"]
[Round "6.4"]
[White "Hernandez Moya, Yuleisy"]
[Black "Hernandez Jimenez, Alexander Andres"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2181"]
[BlackElo "2135"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,141,46,10,27,37,29,0,4,0,0,0,0,0,10,0,45,55,59,83,106,31,54,34,34,31,34,0,0,-52,13,-29,0,-9,31,39,56,60,149,146,193,139,122,133,179,117,122,112,108,85,102,81,85,54,73,60,60,14,11,8,8,0,0,0,25,-31,10,-87,9,0,14,8,23,28,27,23,21,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,81,81,184,184,184,135,184,184,184,184,184,184,195,184,294,299,252,191,191,198,288,266,1229,1003,5950,5944,5934,5934,5934,5929,5912,5812,5464,5345,5114,5095]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g6 7. Re1 Bg7 8. Nbd2 O-O 9. Nf1 a6 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} (9... Na5 10. Bb5 a6 11. Ba4 b5 12. Bc2 c5 13. d4 exd4 14. cxd4 Bg4 15. d5 Re8 16. Ng3 Nc4 17. h3 Bxf3 18. gxf3 h5 19. f4 h4 20. Nf1 {½-½ (67) Petrov,N (2593)-Amin,B (2710) St Petersburg 2018}) 10. a4 d5 11. Bb3 Be6 {The position is equal.} 12. d4 $146 ({Predecessor:} 12. Bc2 Qd7 13. Qe2 a5 14. Ne3 Rfe8 15. exd5 Nxd5 16. Nxd5 Bxd5 {0-1 (67) Faas,D (2035)-Tabatt,H (2310) Stennweiler 2014}) 12... exd4 13. e5 Ne4 14. cxd4 Bg4 15. Be3 Na5 16. Ba2 b5 17. h3 Bf5 18. N1d2 (18. Qc1 $16) 18... Nc4 $14 19. Qc1 {[%cal Rd2c4]} Nxe3 20. Rxe3 h5 21. Re1 Bh6 22. Qd1 (22. Rd1 $11) 22... c6 (22... bxa4 $1 $15 23. Nxe4 dxe4) 23. Nf1 Ng5 24. Ng3 Bxh3 25. gxh3 Nxh3+ 26. Kf1 h4 ({Better is} 26... bxa4 $14 27. Qc2 (27. Qxa4 Qc8 $11) 27... Qd7) 27. Ne2 $16 Qd7 28. Neg1 (28. Nxh4 Qg4 $17) (28. Bb1 $1 $18) 28... Nxg1 29. Nxg1 h3 {[#] With the idea ...h2.} 30. Qf3 ({White should play} 30. e6 $1 $18 {[%cal Re6d7]} fxe6 31. Nxh3) 30... h2 31. Nh3 Qf5 32. Kg2 Qxf3+ 33. Kxf3 bxa4 34. Nf4 Bxf4 $1 35. Kxf4 {Threatens to win with Rec1.} Kg7 36. Kg3 Rh8 37. Rh1 {Hoping for Rac1.} Rab8 38. Rxh2 Rxh2 39. Kxh2 $11 {[%mdl 4096] Endgame KRB-KR} Rb5 40. b4 (40. Rb1 $11) 40... Rxb4 (40... axb3 $5 {[%cal Rb5a5]} 41. Bb1 a5 $17) 41. Kg3 (41. Bb1 $1 $11) 41... Rb2 ({Black should try} 41... Rxd4 $17 42. f3 Rd3) 42. Kf3 Rd2 43. Bb1 Rxd4 44. Bc2 c5 45. Bxa4 Re4 46. Bc2 Rxe5 47. Rxa6 c4 48. Rd6 Kf8 49. Ba4 Ke7 50. Rd7+ Ke6 51. Rd8 Rh5 52. Ke3 Rh3+ 53. f3 Ke5 (53... Rh1 $11 {remains equal.}) 54. Bc6 $16 Rh1 (54... f5 $16) 55. Rxd5+ $18 Ke6 56. Rd8 c3 {White must now prevent ...c2.} 57. Bd5+ Ke7 58. Rc8 Re1+ 59. Kf4 Rd1 60. Be4 f5 (60... Rc1 $142 61. Rc7+ Ke6) 61. Bc2 ({Inferior is} 61. Rxc3 fxe4 62. Kxe4 Re1+ 63. Kf4 Kf6 $11) 61... Rd6 62. Rxc3 {Strongly threatening Kg5.} Kf6 63. Rc4 g5+ (63... Re6 {is a better defense.} 64. Kg3 g5) 64. Kg3 g4 $2 (64... Rd5 65. Rc6+ Ke5) 65. f4 {White is clearly winning.} Rd5 66. Rc6+ Ke7 67. Kh4 Rd4 {[#]} 68. Kg5 $1 {[%cal Rg5f5]} g3 69. Bxf5 g2 70. Rc1 Rd2 71. Rg1 {Accuracy: White = 53%, Black = 40%.} 1-0

[Event "Bionext Festival 2019"]
[Site "Chihuahua"]
[Date "2019.12.01"]
[Round "6.5"]
[White "Corrales Jimenez, Zenia"]
[Black "Macieja, Bartlomiej"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "2219"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,74,0,0,0,-8,0,-14,-14,-22,-22,-22,-23,-41,-25,-25,-20,-31,-25,-37,-32,-26,-22,-62,-37,-38,-20,-81,-75,-171,-172,-220,-215,-286,-285,-433,-320,-315,-309,-329,-329,-369,-377,-507,-510,-510,-509,-502,-502,-520,-520,-518,-517,-511,-502,-597,-479]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 e6 9. Bd3 Bxd3 10. Qxd3 Nf6 11. Bf4 Qa5+ {B19: Classical Caro-Kann: 4...Bf5 main line} 12. Bd2 Bb4 13. c3 Bd6 {The position is equal.} 14. c4 Bb4 15. Bxb4 $146 ({Predecessor:} 15. Qb3 Bxd2+ 16. Nxd2 Nbd7 17. O-O-O O-O 18. Nde4 Qc7 19. Kb1 {½-½ (39) Sattarov,B (2383)-Mchedlishvili,M (2602) Poti 2017}) 15... Qxb4+ {[%mdl 64] [#] Double Attack} 16. Qc3 Qxc3+ 17. bxc3 Nbd7 18. Rb1 b6 19. O-O O-O 20. a4 c5 21. a5 Rfc8 22. Nd2 Rc6 23. axb6 (23. Ra1 $11 {remains equal.}) 23... Nxb6 $17 24. Rb5 (24. Rfc1 $17) 24... cxd4 $19 25. c5 dxc3 26. Nde4 Nbd5 {aiming for ...Nxe4.} 27. Rb3 (27. Rc1 {keeps fighting.}) 27... a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 28. Nxc3 Rxc5 29. Nce4 Rc4 30. Nd6 Rb4 31. Rfb1 Rxb3 {Black is clearly winning.} 32. Rxb3 a4 33. Ra3 Nb4 34. Nb5 Nc2 35. Ra2 a3 36. Ne2 Nd5 37. Ned4 Ndb4 {Accuracy: White = 33%, Black = 67%.} 0-1

[Event "Bionext Festival 2019"]
[Site "Chihuahua"]
[Date "2019.12.01"]
[Round "6.6"]
[White "Pina Gonzalez, Jose Antonio"]
[Black "Galaviz Cortes, Pavel"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2170"]
[BlackElo "1863"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,147,-5,-7,-5,-8,6,2,22,20,27,19,20,21,43,19,43,15,31,0,31,28,31,0,54,25,55,51,91,62,132,135,125,123,137,136,129,121,131,127,136,63,63,63,65,63,72,57,62,57,67,43,83,14,14,14,16,23,58,0,58,43,57,0,32,0,58,58,58,58,58,56,75,75,77,63,77,68,77,75,75,0,77,64,65,65,83,68,69,75,77,77,77,0,77,77,83,83,83,83,83,83,1302,854,264,597,1990,1648,2208,1815,2053,2012,12837,12836,2290,8904,12837,12750,12845,12845,12845,12844,12846,12847,12851,27999,27999,27999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d3 b5 8. Bb3 Na5 9. h3 O-O 10. Ne2 Nxb3 11. axb3 c5 12. Ng3 Qc7 {C84: Closed Ruy Lopez: Unusual White 6th moves} (12... Be6 13. Bd2 h6 14. b4 c4 15. d4 Qc7 16. c3 Nh7 17. Be3 Rfd8 18. d5 Bd7 19. Qd2 Rf8 20. Ra3 {1-0 (45) Delgado Ramirez,N (2550)-Melkumyan,H (2519) ICC INT 2009}) 13. Qe2 Be6 $146 ({Predecessor:} 13... Re8 14. Re1 h6 15. Bd2 Bf8 16. Rad1 g6 17. Bc1 Bg7 18. Kh1 Nh7 19. Kg1 Be6 20. c4 {1-0 (55) Sarrio Vendrell,N (1792)-Martin Palau,R (1750) Barcelona 2014}) 14. Ng5 h6 {The position is equal.} 15. Nxe6 fxe6 16. f4 exf4 17. Bxf4 Qb6 18. Kh1 Rae8 19. Be3 Qc6 20. Rf3 Kh8 21. Bd2 d5 22. e5 Nh7 (22... Nd7 $11) 23. Nh5 Rxf3 24. Qxf3 Rf8 25. Nf4 $36 {[%mdl 2048] aiming for Ng6+. White has some pressure.} Qe8 (25... Rf7 $14) 26. Qg4 $16 ({But not} 26. Rxa6 $6 g5 $14) 26... Bg5 27. Qxe6 {Ng6+ is the strong threat.} ({Resist} 27. Nxe6 $6 h5 $14) 27... Bxf4 28. Qxe8 {[%mdl 64] Overworked Piece} Rxe8 29. Bxf4 {[%mdl 4096] Endgame KRB-KRN} Re6 30. c3 Nf8 31. d4 (31. Be3 $16) 31... cxd4 $14 32. cxd4 Rc6 $1 33. Be3 Ne6 34. Kg1 Kg8 35. Kf1 Nc7 36. b4 Kf7 37. Bd2 (37. Ke2 $16) 37... Ne6 $1 $11 38. Bc3 Ng5 39. Ke2 Ne4 40. Kd3 (40. g4 $14) 40... Nf2+ ({Black should try} 40... Rg6 $11) 41. Kc2 {And now Rf1 would win.} Ne4 42. Rf1+ Ke7 43. g4 Ng5 (43... a5 $1 $11 44. bxa5 b4 {[%mdl 64] Pin}) 44. h4 $1 $14 {[%cal Rh4g5]} Ne6 45. Kd3 Rc8 46. Rf5 Rf8 47. Bd2 Rf7 48. Be3 Rf8 49. Ke2 Rf7 50. Kf3 Rf8 51. h5 (51. Rxf8 $16 Kxf8 52. h5) 51... Rf7 (51... Rc8 $11) 52. Kg3 Rf8 53. Rxf8 Kxf8 {KB-KN} 54. g5 hxg5 55. Kg4 Kg8 56. Kf5 Kf7 57. Bg1 ({Better is} 57. b3 $16) 57... Ke7 (57... Nf4 $11) 58. Bf2 Kf7 59. Be3 Ke7 60. Bxg5+ Kf7 61. Be3 Nd8 $2 {[%mdl 8192] [#]} (61... Ke7 $16 62. Bf2 Kf7) 62. e6+ $1 $18 {[%mdl 512]} Nxe6 63. Ke5 Ke7 64. Kxd5 Kd7 65. Ke5 Nd8 66. Kf5 Kd6 67. Bf4+ Kd5 68. Be5 Ne6 69. b3 Nxd4+ 70. Bxd4 Kxd4 71. Kg6 Kc3 72. Kxg7 Kxb3 73. h6 Kxb4 74. h7 {Accuracy: White = 45%, Black = 47%.} 1-0

[Event "Bionext Festival 2019"]
[Site "Chihuahua"]
[Date "2019.12.01"]
[Round "6.7"]
[White "Rascon Vega, Alfonso"]
[Black "Castillo Coca, Mairebis"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2077"]
[BlackElo "2134"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,111,39,35,60,56,62,52,58,68,56,62,56,49,54,56,45,51,83,72,99,107,97,96,108,102,108,95,75,74,75,75,85,70,68,64,56,0,0,-14,0,0,39,0,0,0,0,0,271,254,234,224,968,748,991,973,977,992,2756,0,0,0,2470,569,560,552,523,535,2470,4768,2297,1956,1968,1643,4921,4921,4797,4809,4300,4749,4129,3810,2358,2229,4789,4308,4133,4133,4133,4133,4133,4133,29985,29986,29985,5733,29986,29987]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Qe2 Nc6 9. Be3 Qb4 {B09: Pirc Defence: Austrian Attack} (9... Qa5 10. O-O Bg4 11. Kh1 O-O 12. Qe1 Nd7 13. Rb1 Qh5 14. Ne2 Nc5 15. f5 Nxd3 16. cxd3 Be5 17. h3 g5 18. d4 Bxf3 19. Rxf3 Bf6 20. Qd2 {1-0 (38) Sindarov,J (2488)-Eric,J (2307) Abu Dhabi 2018}) 10. O-O O-O (10... Qxb2 $2 11. Nb5 $18) 11. Rab1 Ng4 $146 {White is slightly better.} ({Predecessor:} 11... Bd7 12. a3 Qa5 13. b4 Qd8 14. b5 Na5 15. Qd2 Ng4 16. Ne2 Nxe3 17. Qxe3 {0-1 (32) Guesmia,K-Benelouezzane,M (1891) Constantine 2017}) 12. Nd5 Qa5 13. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Qd8 $1 14. Bd2 $36 {[%mdl 2048] White has the initiative.} e6 15. Ne3 Nxe3 16. Bxe3 d5 17. e5 a5 18. b5 Nb4 19. Bd4 Bd7 20. a4 Qe7 21. Qe3 Nxd3 22. cxd3 Rfc8 23. Rf2 Bf8 24. g4 Rc7 25. h4 Rac8 26. h5 (26. Ra1 $14) 26... Qa3 $1 $11 27. Rbf1 Rc2 {Threatens to win with ...Rxf2.} 28. hxg6 fxg6 29. f5 Rxf2 ({Much worse is} 29... gxf5 $6 30. gxf5 Rxf2 31. Qg5+ Kh8 32. Kxf2 $16 (32. Rxf2 Be7 $16)) (29... Qxa4 $6 30. fxg6 Rxf2 31. Qxf2 $14) (29... exf5 $6 30. Rxc2 Rxc2 31. Ne1 $16) 30. Kxf2 Rc2+ ({But not} 30... gxf5 $6 31. Qg5+ Kh8 32. gxf5 $16) 31. Kg1 exf5 $2 {[%mdl 8192]} (31... Be8 $1 $11) 32. Ne1 $18 Ra2 33. gxf5 Bxf5 $2 {[#]} (33... Qe7) 34. Rxf5 $1 {[%mdl 512]} gxf5 {[#]} 35. Qg5+ $1 {[%mdl 64] Double Attack} Kf7 36. Qxf5+ {[%mdl 64] Double Attack} Ke8 37. Qc8+ Kf7 {aiming for ...Qe7!} 38. Qf5+ {[%mdl 64] Double Attack} Ke8 $1 {...Qe7 is the strong threat.} 39. Qh5+ (39. e6 $142 {Intending Qf7+ and mate.} Qe7 40. Bf6) 39... Kd8 {White must now prevent ...Qe7.} 40. Bb6+ Kd7 {And now ...Bc5+ would win.} 41. Qf7+ {[%mdl 64] Double Attack} Be7 42. Qxd5+ {[%mdl 64] Double Attack} Ke8 43. e6 {White threatens Qh5+ and mate.} Rh2 44. Kxh2 {Threatening mate with Qh5+.} Qd6+ 45. Qxd6 Bxd6+ 46. Kh3 Ke7 47. Bxa5 Kxe6 48. Kg4 Kd5 49. Bc3 Bc5 50. Nf3 Be3 51. Ng5 h6 52. Ne4 Bc1 53. Kf5 b6 54. Nf6+ Kd6 55. Bb4+ Kc7 56. d4 {Accuracy: White = 74%, Black = 50%.} 1-0

[Event "Bionext Festival 2019"]
[Site "Chihuahua"]
[Date "2019.12.01"]
[Round "6.8"]
[White "Lugo Aldana, Alejandro"]
[Black "Gomez, Zuniga David Fernand"]
[Result "0-1"]
[ECO "B87"]
[WhiteElo "1570"]
[BlackElo "2078"]
[Annotator "NA RC"]
[PlyCount "86"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:30:30]} c5 {[%emt 1:30:30]} 2. Nf3 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 3. d4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 4. Nxd4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. Nc3 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 6. Bc4 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 7. Bb3 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 8. O-O {[%emt 0:00:30]} b4 {[%emt 0:00:30]} 9. Na4 {[%emt 0:00:30]} Bd7 {[%emt 0:00:30]} 10. c3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 11. cxb4 {[%emt 0:00:30]} Rb8 {[%emt 0:00:30]} 12. Nc3 {[%emt 0:00:30]} Rxb4 {[%emt 0:00:30]} 13. Nxc6 {[%emt 0:00:30]} Bxc6 {[%emt 0:00:30]} 14. f3 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 15. Qe2 {[%emt 0:00:30]} Qb6+ {[%emt 0:00:30]} 16. Be3 {[%emt 0:00:30]} Qb7 {[%emt 0:00:30]} 17. Rfd1 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 18. Rd2 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 19. Bc4 {[%emt 0:00:30]} Qb8 {[%emt 0:00:30]} 20. a3 {[%emt 0:00:30]} Rb7 {[%emt 0:00:30]} 21. Ba6 {[%emt 0:00:30]} Rd7 {[%emt 0:00:30]} 22. Qc4 {[%emt 0:00:30]} Rc7 {[%emt 0:00:30]} 23. Qe2 {[%emt 0:00:30]} Rd7 {[%emt 0:00:30]} 24. Qc4 {[%emt 0:00:30]} Qa8 {[%emt 0:00:30]} 25. Rad1 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 26. exd5 {[%emt 0:00:30]} Nxd5 {[%emt 0:00:30]} 27. Nxd5 {[%emt 0:00:30]} Rxd5 {[%emt 0:00:30]} 28. Rxd5 {[%emt 0:00:30]} Bxd5 {[%emt 0:00:30]} 29. Qb5 {[%emt 0:00:30]} Bf6 {[%emt 0:00:30]} 30. b4 {[%emt 0:00:30]} axb4 {[%emt 0:00:30]} 31. axb4 {[%emt 0:00:30]} Rb8 {[%emt 0:00:30]} 32. Qa4 {[%emt 0:00:30]} Rc8 {[%emt 0:00:30]} 33. b5 {[%emt 0:00:30]} Rc4 {[%emt 0:00:30]} 34. Qa5 {[%emt 0:00:30]} h5 {[%emt 0:00:30]} 35. Qd2 {[%emt 0:00:30]} Bxf3 {[%emt 0:00:30]} 36. gxf3 {[%emt 0:00:30]} Qxf3 {[%emt 0:00:30]} 37. Bf2 {[%emt 0:00:30]} h4 {[%emt 0:00:30]} 38. Qd3 {[%emt 0:00:30]} Rg4+ {[%emt 0:00:30]} 39. Kf1 {[%emt 0:00:30]} Qg2+ {[%emt 0:00:30]} 40. Ke1 Re4+ {[%emt 0:00:30]} 41. Be3 {[%emt 0:01:00]} Bg5 {[%emt 0:00:30]} 42. Bb7 {[%emt 0:00:30]} Qg1+ {[%emt 0:00:30]} 43. Ke2 {[%emt 0:00:30]} Rxe3+ {[%emt 0:00:30]} 0-1

[Event "Bionext Festival 2019"]
[Site "Chihuahua"]
[Date "2019.12.01"]
[Round "6.9"]
[White "Sierra Arballo, Jesus"]
[Black "Guerrero Rodriguez, Alejandra"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2046"]
[BlackElo "2016"]
[Annotator "NA"]
[PlyCount "108"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:30:30]} c5 {[%emt 1:30:30]} 2. Nf3 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 3. c4 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 4. d4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 5. Nxd4 {[%emt 0:00:30]} Qb6 {[%emt 0:00:30]} 6. Nb5 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 7. Be3 {[%emt 0:00:30]} Qa5+ {[%emt 0:00:30]} 8. N5c3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 9. f3 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 10. Be2 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 11. O-O {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 12. Nd2 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 13. Rc1 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 14. Nb3 {[%emt 0:00:30]} Qc7 {[%emt 0:00:30]} 15. Qd2 {[%emt 0:00:30]} Nce5 {[%emt 0:00:30]} 16. Kh1 {[%emt 0:00:30]} Nc5 {[%emt 0:00:30]} 17. Rfd1 {[%emt 0:00:30]} Nxb3 {[%emt 0:00:30]} 18. axb3 {[%emt 0:00:30]} Rd8 {[%emt 0:00:30]} 19. Na4 {[%emt 0:00:30]} Qe7 {[%emt 0:00:30]} 20. Bc5 {[%emt 0:00:30]} Bf8 {[%emt 0:00:30]} 21. Nb6 {[%emt 0:00:30]} Rb8 {[%emt 0:00:30]} 22. Rc3 {[%emt 0:00:30]} Qc7 {[%emt 0:00:30]} 23. Bg1 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 24. Na4 {[%emt 0:00:30]} b6 {[%emt 0:00:30]} 25. h4 {[%emt 0:00:30]} Nc5 {[%emt 0:00:30]} 26. Bh2 {[%emt 0:00:30]} Qe7 {[%emt 0:00:30]} 27. Bg3 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 28. Kg1 {[%emt 0:00:30]} Nxa4 {[%emt 0:00:30]} 29. bxa4 {[%emt 0:00:30]} Bxc3 {[%emt 0:00:30]} 30. Qxc3 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 31. b4 {[%emt 0:00:30]} Be6 {[%emt 0:00:30]} 32. Bf2 {[%emt 0:00:30]} Rdc8 {[%emt 0:00:30]} 33. Rc1 {[%emt 0:00:30]} Rc7 {[%emt 0:00:30]} 34. c5 {[%emt 0:00:30]} bxc5 {[%emt 0:00:30]} 35. bxc5 {[%emt 0:00:30]} Rb3 {[%emt 0:00:30]} 36. Qa5 {[%emt 0:00:30]} dxc5 {[%emt 0:00:30]} 37. Bxa6 {[%emt 0:00:30]} Rb2 {[%emt 0:00:30]} 38. Rxc5 {[%emt 0:00:30]} Rxc5 {[%emt 0:00:30]} 39. Qxc5 {[%emt 0:00:30]} Qxc5 {[%emt 0:00:30]} 40. Bxc5 {[%emt 0:00:30]} Ra2 {[%emt 0:00:30]} 41. Bb5 {[%emt 0:00:30]} Bb3 {[%emt 0:00:30]} 42. Bd6 {[%emt 0:00:30]} Bxa4 {[%emt 0:00:30]} 43. Bxa4 {[%emt 0:00:30]} Rxa4 {[%emt 0:00:30]} 44. Bxe5 {[%emt 0:00:30]} Ra2 {[%emt 0:00:30]} 45. Bf6 {[%emt 0:00:30]} h5 {[%emt 0:00:30]} 46. Kh2 {[%emt 0:00:30]} Kf8 {[%emt 0:00:30]} 47. Kh3 {[%emt 0:00:30]} Ke8 {[%emt 0:00:30]} 48. g4 {[%emt 0:00:30]} Kd7 {[%emt 0:00:30]} 49. Kg3 {[%emt 0:00:30]} Ke6 {[%emt 0:00:30]} 50. e5 {[%emt 0:00:30]} Re2 {[%emt 0:00:30]} 51. gxh5 {[%emt 0:00:30]} gxh5 {[%emt 0:00:30]} 52. Kf4 {[%emt 0:00:30]} Rg2 {[%emt 0:00:30]} 53. Bd8 {[%emt 0:00:30] Kxe5+ Ke4+ Ke6 Kf4} Rg6 {[%emt 0:00:30]} 54. Bg5 {[%emt 0:00:30]} Rg8 {[%emt 0:00:30]} 1/2-1/2

[Event "Bionext Festival 2019"]
[Site "Chihuahua"]
[Date "2019.12.01"]
[Round "6.10"]
[White "Della Morte, Pablo"]
[Black "Rubio Ramos, Jorge Yadir"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2309"]
[BlackElo "1819"]
[Annotator "ChessBase"]
[PlyCount "47"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:30:30]} c5 {[%emt 1:30:30]} 2. Nf3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 3. Bb5 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 4. Bxc6 {[%emt 0:00:30]} dxc6 {[%emt 0:00:30]} 5. d3 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 6. h3 {[%emt 0:00:30]} Qc7 {[%emt 0:00:30]} 7. Nc3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 8. Be3 {[%emt 0:00:30]} b6 {[%emt 0:00:30]} 9. Qd2 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 10. Bh6 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 11. Nh2 {[%emt 0:00:30]} Ne8 {[%emt 0:00:30]} 12. O-O {[%emt 0:00:30]} f6 {[%emt 0:00:30]} 13. Bxg7 {[%emt 0:00:30]} Nxg7 {[%emt 0:00:30]} 14. f4 {[%emt 0:00:30]} Bd7 {[%emt 0:00:30]} 15. Rf2 {[%emt 0:00:30]} f5 {[%emt 0:00:30]} 16. fxe5 {[%emt 0:00:30]} Qxe5 {[%emt 0:00:30]} 17. Nf3 {[%emt 0:00:30]} Qc7 {[%emt 0:00:30]} 18. Qh6 {[%emt 0:00:30]} Ne6 {[%emt 0:00:30]} 19. Raf1 {[%emt 0:00:30]} Rf7 {[%emt 0:00:30]} 20. exf5 {[%emt 0:00:30]} Rxf5 {[%emt 0:00:30]} 21. Ne4 {[%emt 0:00:30]} Raf8 {[%emt 0:00:30]} 22. g4 {[%emt 0:00:30]} Rd5 {[%emt 0:00:30]} 23. Nfg5 {[%emt 0:00:30]} Rxg5 24. Nxg5 1-0

[Event "Bionext Festival 2019"]
[Site "Chihuahua"]
[Date "2019.12.01"]
[Round "6.11"]
[White "Vargas Miranda, Diego"]
[Black "Tello Chavez, Isaac Valent"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1892"]
[BlackElo "2274"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,0,23,-15,1,-22,-23,-54,-35,-78,-75,-71,-71,-67,-68,-65,-48,-92,-91,-89,-88,-99,-89,-93,-96,-112,-98,-98,-98,-98,-98,-99,-99,-100,-100,-122,-108,-112,-72,-123,-106,-141,-139,-176,-152,-205,-179,-226,-197,-355,-348,-378,-354,-410,-399,-392,-414,-591,-589,-715,-646,-870,-867,-1174,-1145,-1185,-1217,-1141,-1131,-1272,-1297,-1217,-1220,-975,-736]} 1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bg4 6. Bb5 {B12: Caro-Kann: Advance Variation} (6. Be2 e6 7. Nbd2 Rc8 8. O-O a6 9. h3 Bh5 10. Re1 Bg6 11. Nf1 cxd4 12. Nxd4 Nxd4 13. Qxd4 Ne7 14. Bg5 {0-1 (36) Yuffa,D (2534)-Romanov,E (2619) Sochi 2016}) 6... e6 7. Be3 Qb6 8. Qb3 {Black has an edge.} c4 $146 ({Predecessor:} 8... Bxf3 9. Bxc6+ bxc6 10. Qxb6 axb6 11. gxf3 c4 12. Nd2 Ne7 13. Ke2 Nf5 {0-1 (40) Woolcock,C (1876)-Marusenko,P (2229) Cardiff 2014}) 9. Bxc6+ bxc6 10. Qxb6 axb6 11. Nbd2 Ne7 12. O-O Bf5 13. Rfd1 Nc8 14. Nf1 b5 15. a3 Nb6 16. h3 Be7 17. g4 Bg6 18. Ng3 Na4 19. Rd2 h5 20. gxh5 Bxh5 21. Nxh5 Rxh5 22. Kg2 Kd7 23. Rh1 f6 24. Re2 ({White should play} 24. h4) 24... f5 25. Bc1 g5 26. Ree1 Rah8 27. Reg1 (27. Ng1 $17) 27... c5 $19 28. dxc5 Nxc5 29. Nd4 $2 {[#]} (29. Be3 {only move.}) 29... Nd3 30. Nxb5 Nxe5 31. Nd4 Nd3 32. Bd2 f4 33. f3 (33. b4 $142) 33... e5 {Black is clearly winning.} 34. Nc2 Bc5 35. Rb1 Nf2 36. Rh2 g4 37. fxg4 {[#]} Nxg4 $1 {[%mdl 576] Pin} 38. Rhh1 (38. hxg4 Rxh2+) 38... Nf2 {[%mdl 64] Double Attack} 39. Rh2 Rg8+ 40. Kf1 Ne4 {Threatens to win with ...Rg1+.} 41. Ke2 Bg1 {Accuracy: White = 27%, Black = 89%.} 0-1

[Event "Bionext Festival 2019"]
[Site "Chihuahua"]
[Date "2019.12.01"]
[Round "6.12"]
[White "Valle Caballero, Julio Cesar"]
[Black "Ramirez Ruacho, Juan Manuel"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1661"]
[BlackElo "2175"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,61,9,20,20,20,15,58,16,18,-9,-2,-10,0,-11,0,-4,50,29,72,-23,26,29,70,36,36,-773,-770,-841,-825,-1405,-1378,-1379,-1352,-29995,-29996,-29996,-1936,-1979,-1952,-1708,-1479,-29985,-29983,-29992,-29993,-29993,-29994,-29998,-29999,-29999]} 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. d3 g6 5. Bg2 Bg7 6. Rb1 Be6 7. b4 Qd7 8. Nf3 {A25: English Opening vs King's Indian with ...Nc6 but without early d3} h6 9. Bd2 (9. b5 Nd8 10. a4 Ne7 11. O-O O-O 12. e4 f5 13. Ba3 f4 14. Nd5 {0-1 (41) Pantsulaia,L (2597)-Salgado Lopez,I (2629) St Petersburg 2018}) 9... f5 10. O-O {White is slightly better.} Nge7 11. Qc2 O-O 12. b5 Nd8 $1 13. e3 $146 ({Predecessor:} 13. a4 f4 14. Rfe1 g5 15. Bc1 {0-1 (29) Padre,M (1347)-Pun Chung,L (1443) Saint Denis 2017}) 13... g5 14. Ne1 f4 (14... a6 $11) 15. exf4 gxf4 16. Ne2 ({White should play} 16. gxf4 $16 Bh3 17. fxe5) 16... Bh3 17. gxf4 Ng6 18. fxe5 Nh4 19. Be3 $2 {[%mdl 8192] [#]} (19. Bxh3 $14 Qxh3 20. d4) 19... Bxg2 $19 20. e6 Qxe6 21. Nf4 Rxf4 22. Bxf4 Qh3 {[#] ( -> ...Nf3+)} 23. f3 Bd4+ 24. Qf2 Bxf1 (24... Nxf3+ $142 25. Nxf3 Bxf3 26. Be3 Bxe3 {[%mdl 64] Overworked Piece} 27. Qxe3 Qg2#) 25. Be3 Bxe3 26. Qxe3 Nf7 {Hoping for ...Kh8.} 27. Qf2 Kh7 {Black mates.} 28. Qxf1 Rg8+ 29. Kf2 Qxh2+ 30. Ke3 Re8+ 31. Kd4 Qe5# {Accuracy: White = 22%, Black = 63%.} 0-1

