Rounds 4–5: 5 players share the lead with 4 points

Round 4: results

• ½–½Reyes Najera, Carlos A. and Pilarte Tijerino, Rene Antonio drew in the Tarrasch Defense: Symmetrical Variation, in 14 moves (½–½). Replay the game
• ½–½Orizondo, Hugo and Pinal Borges, Nelson drew in the Slav Defense: Exchange Variation, in 12 moves (½–½). Replay the game
• 0–1Leskovar, Mario beat Torres, Javier Antonio with Black in the Modern Defense, in 53 moves (0–1). Replay the game
• 1–0Ledesma, Otoniel beat Barboza, Mauro with White in the Queen's Gambit Declined, in 57 moves (1–0). Replay the game
• 1–0Jimenez Molina, Juan Leon beat Barandiaran, Gabriel with White in the English Opening: Symmetrical Variation, Full Symmetry Line, in 23 moves (1–0). Replay the game
• 1–0Castro Murillo, Gonzalo beat Barria Valdez, Blass Ernesto with White in the Sicilian Defense: Boleslavsky Variation, in 32 moves (1–0). Replay the game
• 0–1Gonzalez Mesa, Daniel beat Castillo, Nelson with Black in the Scandinavian Defense: Portuguese Gambit, in 20 moves (0–1). Replay the game
• 0–1Escofet, Jaime beat Shaw, Clifford with Black in the Caro-Kann Defense: Exchange Variation, Rubinstein Variation, in 44 moves (0–1). Replay the game
• 1–0Blanco Gramajo, Cesar Augusto beat Reina Pineda, Antonio Rodolfo with White in the Queen's Gambit Declined: Modern Variation, Normal Line, in 33 moves (1–0). Replay the game
• 1–0Bauza, Alejandro beat Alas, Rigoberto with White in the King's Indian Attack: Symmetrical Defense, in 45 moves (1–0). Replay the game
• 1–0Koch, Juan beat Sopko, Cassio Roberto with White in the Dutch Defense: Hopton Attack, in 26 moves (1–0). Replay the game
• 1–0Velasquez, Hector beat Hernandez, Mauricio with White in the King's Indian Defense: Fianchetto Variation, Immediate Fianchetto, in 51 moves (1–0). Replay the game
• 1–0Ayala, Rolando beat Pomares Herrera, Efrain with White in the Philidor Defense, in 44 moves (1–0). Replay the game
• 0–1Santiso, Daniel beat Monterrosa Rafael Alfonso with Black in the English Opening: King's English Variation, in 31 moves (0–1). Replay the game
• 0–1Chavez, Hector Antonio beat Davila Texeira, Mario with Black in the Scandinavian Defense: Marshall Variation, in 47 moves (0–1). Replay the game
• 1–0Garcia, Batlle beat Anzora, Oscar with White in the Indian Defense: Anti-Nimzo-Indian, in 56 moves (1–0). Replay the game
• 1–0Vera Gajardo, Jorge Luis beat Rivas, Juan with White in the Queen's Pawn Game: Accelerated London System, in 30 moves (1–0). Replay the game
• 0–1Kaciusis, Daniel beat Constantino Gudiel with Black in the Sicilian Defense: Open, in 55 moves (0–1). Replay the game

Round 5: results

• ½–½Leskovar, Mario and Pilarte Tijerino, Rene Antonio drew in the Ruy Lopez: Morphy Defense, Mackenzie Variation, in 25 moves (½–½). Replay the game
• ½–½Pinal Borges, Nelson and Jimenez Molina, Juan Leon drew in the Sicilian Defense: Hyperaccelerated Dragon, in 20 moves (½–½). Replay the game
• 1–0Gonzalez Mesa, Daniel beat Ledesma, Otoniel with White in the Scandinavian Defense: Valencian Variation, in 61 moves (1–0). Replay the game
• 0–1Reyes Najera, Carlos A. beat Castro Murillo, Gonzalo with Black in the Sicilian Defense: Taimanov Variation, Bastrikov Variation, in 43 moves (0–1). Replay the game
• 0–1Orizondo, Hugo beat Escofet, Jaime with Black in the Nimzo-Larsen Attack: Classical Variation, in 42 moves (0–1). Replay the game
• 0–1Bauza, Alejandro beat Blanco Gramajo, Cesar Augusto with Black in the Marienbad System, in 48 moves (0–1). Replay the game
• ½–½Torres, Javier Antonio and Koch, Juan drew in the Slav Defense: Chebanenko Variation, in 68 moves (½–½). Replay the game
• 0–1Velasquez, Hector beat Chavez, Hector Antonio with Black in the Caro-Kann Defense, in 58 moves (0–1). Replay the game
• 1–0Barboza, Mauro beat Shaw, Clifford with White in the French Defense: Exchange Variation, in 26 moves (1–0). Replay the game
• 0–1Ayala, Rolando beat Barria Valdez, Blass Ernesto with Black in the Queen's Pawn Game: Chigorin Variation, Alburt Defense, in 23 moves (0–1). Replay the game
• 1–0Reina Pineda, Antonio Rodolfo beat Castillo, Nelson with White in the Indian Defense: Anti-Nimzo-Indian, in 50 moves (1–0). Replay the game
• 1–0Santiso, Daniel beat Garcia, Batlle with White in the Zukertort Opening: Sicilian Invitation, in 50 moves (1–0). Replay the game
• ½–½Barandiaran, Gabriel and Vera Gajardo, Jorge Luis drew in the Sicilian Defense: Accelerated Dragon, Exchange Variation, in 52 moves (½–½). Replay the game
• ½–½Alas, Rigoberto and Sopko, Cassio Roberto drew in the Italian Game: Two Knights Defense, Modern Bishop's Opening, in 60 moves (½–½). Replay the game
• 0–1Hernandez, Mauricio beat Pomares Herrera, Efrain with Black in the Canard Opening, in 49 moves (0–1). Replay the game
• 0–1Davila Texeira, Mario beat Anzora, Oscar with Black in the Zukertort Opening: Nimzo-Larsen Variation, in 33 moves (0–1). Replay the game
• 1–0Kaciusis, Daniel beat Rivas, Juan with White in the English Opening: Agincourt Defense, in 35 moves (1–0). Replay the game
• 1–0Navarrete, Marco Vinicio beat Monterrosa Rafael Alfonso with White in the King's Indian Defense: Normal Variation, King's Knight Variation, in 21 moves (1–0). Replay the game

Standings after the day

What comes next

Round 6 · Starts 13 Oct, 23:15 UTC

The pairings have not been published yet.