April 19: round 1 (April 20th: round 2) G German Montoya vs G Vescovi, 2011 (B44) Sicilian, 30 moves, 0-1 April 21: round 3 M Gongora vs F Corrales Jimenez, 2011 (E34) Nimzo-Indian, Classical, Noa Variation, 36 moves, 1/2-1/2 April 21: round 4 G Vescovi vs M Gongora, 2011 (D12) Queen's Gambit Declined Slav, 27 moves, 1-0 April 22: round 5 G Hernandez Guerrero vs G Vescovi, 2011 (B46) Sicilian, Taimanov Variation, 46 moves, 1/2-1/2 April 22: round 6 G Vescovi vs D Gurevich, 2011 (D31) Queen's Gambit Declined, 50 moves, 1-0 April 23: round 7 P Lafuente vs G Vescovi, 2011  (A30) English, Symmetrical, 64 moves, 0-1 April 23: round 8 G Vescovi vs L Bruzon Batista, 2011 (E11) Bogo-Indian Defense, 11 moves, 1/2-1/2 April 25: round 9 F de la Paz Perdomo vs Y Quesada Perez, 2011 (B48) Sicilian, Taimanov Variation, 40 moves, 0-1 J Gonzalez Garcia vs F Corrales Jimenez, 2011 (E15) Queen's Indian, 61 moves, 1-0 J Gonzalez Garcia vs J Cori, 2011 (D18) Queen's Gambit Declined Slav, Dutch, 71 moves, 0-1 F de la Paz Perdomo vs J Gonzalez Garcia, 2011 (B48) Sicilian, Taimanov Variation, 50 moves, 1-0 F de la Paz Perdomo vs M Leon Hoyos, 2011 (B62) Sicilian, Richter-Rauzer, 51 moves, 1-0 J Friedel vs F de la Paz Perdomo, 2011 (C92) Ruy Lopez, Closed, 48 moves, 1/2-1/2 L Bruzon Batista vs F de la Paz Perdomo, 2011 (C64) Ruy Lopez, Classical, 18 moves, 1/2-1/2 F Corrales Jimenez vs D Arenas, 2011 (B76) Sicilian, Dragon, Yugoslav Attack, 57 moves, 1-0 F de la Paz Perdomo vs M Bluvshtein, 2011 (C42) Petrov Defense, 41 moves, 1/2-1/2 F Corrales Jimenez vs A Abreu Delgado, 2011 (B54) Sicilian, 50 moves, 1-0 E Cordova vs A Abreu Delgado, 2011 (E67) King's Indian, Fianchetto, 77 moves, 1/2-1/2 A Abreu Delgado vs A Kovalyov, 2011 (B90) Sicilian, Najdorf, 68 moves, 1/2-1/2 A Zapata vs A Kovalyov, 2011 (B90) Sicilian, Najdorf, 56 moves, 1/2-1/2 A Zapata vs Y Quesada Perez, 2011 (B47) Sicilian, Taimanov (Bastrikov) Variation, 37 moves, 0-1 M Bluvshtein vs A Abreu Delgado, 2011 (D97) Grunfeld, Russian, 29 moves, 1/2-1/2 M Bluvshtein vs S Barrientos Chavarriaga, 2011 (E25) Nimzo-Indian, Samisch, 44 moves, 1-0 R Martin del Campo vs M Bluvshtein, 2011 (B09) Pirc, Austrian Attack, 20 moves, 0-1 P Lafuente vs R Martin del Campo, 2011 (E62) King's Indian, Fianchetto, 43 moves, 1-0 S Barrientos Chavarriaga vs A Kovalyov, 2011 (B94) Sicilian, Najdorf, 13 moves, 1-0 S Barrientos Chavarriaga vs P Lafuente, 2011 (C91) Ruy Lopez, Closed, 33 moves, 1/2-1/2 A Almeida Saenz vs S Barrientos Chavarriaga, 2011 (A64) Benoni, Fianchetto, 11...Re8, 42 moves, 0-1 S Barrientos Chavarriaga vs L Bruzon Batista, 2011 (C67) Ruy Lopez, 22 moves, 0-1 J Cori vs L Bruzon Batista, 2011 (D16) Queen's Gambit Declined Slav, 28 moves, 1/2-1/2 L Bruzon Batista vs A Escobar Forero, 2011 (E90) King's Indian, 39 moves, 1-0 L Bruzon Batista vs I J Bringas Osuna, 2011 (E67) King's Indian, Fianchetto, 34 moves, 1-0 L Bruzon Batista vs Yermolinsky, 2011 (B12) Caro-Kann Defense, 24 moves, 1-0 M Bluvshtein vs F Martinez Ocampo, 2011 (E71) King's Indian, Makagonov System (5.h3), 30 moves, 1-0 M Bluvshtein vs L Perez Rodriguez, 2011 (D45) Queen's Gambit Declined Semi-Slav, 54 moves, 1-0 L Perez Rodriguez vs J Friedel, 2011 (C87) Ruy Lopez, 11 moves, 1/2-1/2 L Perez Rodriguez vs J Nogueiras, 2011 (B03) Alekhine's Defense, 40 moves, 1/2-1/2 C Rios vs J Nogueiras, 2011 (A50) Queen's Pawn Game, 43 moves, 1-0 J Friedel vs J Nogueiras, 2011 (B04) Alekhine's Defense, Modern, 32 moves, 1/2-1/2 R Felgaer vs J Friedel, 2011 (C91) Ruy Lopez, Closed, 42 moves, 0-1 Y Quesada Perez vs R Felgaer, 2011 (B42) Sicilian, Kan, 53 moves, 1/2-1/2 Y Quesada Perez vs I Ibragimov, 2011 (C93) Ruy Lopez, Closed, Smyslov Defense, 51 moves, 1-0 D Arenas vs R Felgaer, 2011 (B07) Pirc, 51 moves, 1/2-1/2 J Nogueiras vs D Arenas, 2011 (A16) English, 31 moves, 1-0 F Mercado Garcia vs R Felgaer, 2011  (B25) Sicilian, Closed, 40 moves, 0-1 C Rios vs J Friedel, 2011 (E46) Nimzo-Indian, 41 moves, 0-1 I Sanchez Garcia vs F Corrales Jimenez, 2011 (B22) Sicilian, Alapin, 32 moves, 0-1 A Kovalyov vs J Cori, 2011 (D12) Queen's Gambit Declined Slav, 50 moves, 1/2-1/2 M Leon Hoyos vs D Huertas Carballo, 2011 (A13) English, 35 moves, 1-0 I R Ortiz Suarez vs O Ruiz Sanchez, 2011 (D44) Queen's Gambit Declined Semi-Slav, 30 moves, 1-0 I R Ortiz Suarez vs J Cori, 2011 (D12) Queen's Gambit Declined Slav, 40 moves, 0-1 J Cori vs P Lafuente, 2011 (E11) Bogo-Indian Defense, 39 moves, 0-1 P Lafuente vs D Gurevich, 2011 (E06) Catalan, Closed, 5.Nf3, 44 moves, 1-0 P Lafuente vs A Fernandez Cardoso, 2011 (E60) King's Indian Defense, 35 moves, 1-0 P Lafuente vs R J Cataneo Esparza, 2011 (E10) Queen's Pawn Game, 33 moves, 1-0 J Friedel vs G Vescovi, 2011 (B31) Sicilian, Rossolimo Variation, 32 moves, 0-1 r7 A Fernandez Cardoso vs Lenderman, 2011 (B12) Caro-Kann Defense, 49 moves, 1-0 57 games