CM Ruben Abraham Ulloa Castillo

CM Ruben Abraham Ulloa Castillo has a rating of 2178 in the most recent games stored here. ChessBinder has 31 games of Ruben Abraham Ulloa Castillo, played from 9 November 2024 to 9 September 2026. The most recent is a win with White against Marc Delrieu in Round 1 of 46th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 88+, on 9 September 2026.

Games from the events ChessBinder has covered since 4 October 2026, and from the Lichess broadcast database since 5 January 2020.

In these games

Games
31
Won
12
Drawn
5
Lost
14

Games

  1. Won1–0as Whiteagainst Delrieu, Marc156446th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 88+, Round 1 · Indian Defense: Wade-Tartakower DefenseReplay the game against Delrieu, Marc
  2. Lost1–0as Blackagainst Mapuranga, Vitalis205846th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 38-62, Round 9 · Slav Defense: Alekhine VariationReplay the game against Mapuranga, Vitalis
  3. Lost1–0as BlackagainstFM Dardha, Arben222946th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 13-37, Round 8 · Zukertort OpeningReplay the game against Dardha, Arben
  4. Lost1–0as BlackagainstIM Amartuvshin, Ganzorig244546th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 13-37, Round 6 · Slav DefenseReplay the game against Amartuvshin, Ganzorig
  5. Lost0–1as WhiteagainstIM Budhidharma, Nayaka238346th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 13-37, Round 4 · Torre Attack: Fianchetto DefenseReplay the game against Budhidharma, Nayaka
  6. Won0–1as Blackagainst Tjin Kon Kiem, Ethan182846th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 63-87, Round 3 · Italian Game: Giuoco Pianissimo, Italian Four Knights VariationReplay the game against Tjin Kon Kiem, Ethan
  7. Lost1–0as BlackagainstIM Stribuk, Artiom248946th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 38-62, Round 2 · King's Indian Attack: Keres VariationReplay the game against Stribuk, Artiom
  8. Drew½–½as Blackagainst Lezcano Martinez, Christopher1964V Panama Chess Open 2026, Round 9 · Nimzo-Larsen Attack: Classical VariationReplay the game against Lezcano Martinez, Christopher
  9. Lost0–1as WhiteagainstIM Fernandez Sanchez, Fernando Miguel2371V Panama Chess Open 2026, Round 8 · Torre Attack: Classical Defense, Nimzowitsch VariationReplay the game against Fernandez Sanchez, Fernando Miguel
  10. Lost0–1as WhiteagainstGM Espinosa Veloz, Ermes2468V Panama Chess Open 2026, Round 7 · Benoni Defense: Benoni-Indian Defense, Kingside Move OrderReplay the game against Espinosa Veloz, Ermes
  11. Won0–1as BlackagainstFM Ramirez Cabreja, Ronniel Abraham2311V Panama Chess Open 2026, Round 6 · Queen's Pawn Game: Symmetrical Variation, Pseudo-CatalanReplay the game against Ramirez Cabreja, Ronniel Abraham
  12. Won1–0as Whiteagainst Blackwood, Ryan1952V Panama Chess Open 2026, Round 5 · Slav Defense: Exchange VariationReplay the game against Blackwood, Ryan
  13. Won1–0as WhiteagainstCM Schnell, Sebastian Narayana2003V Panama Chess Open 2026, Round 3 · Queen's Pawn Game: Symmetrical VariationReplay the game against Schnell, Sebastian Narayana
  14. Lost1–0as BlackagainstGM Miranda Mesa, Elier2450V Panama Chess Open 2026, Round 4 · Ruy Lopez: Morphy Defense, Tarrasch VariationReplay the game against Miranda Mesa, Elier
  15. Drew½–½as Blackagainst Rodriguez, Cristian A.1910V Panama Chess Open 2026, Round 2 · Ruy Lopez: Closed, Chigorin DefenseReplay the game against Rodriguez, Cristian A.
  16. Won1–0as WhiteagainstCM Vargas Ramos, Rogelio Alberto1681V Panama Chess Open 2026, Round 1 · Slav Defense: Exchange VariationReplay the game against Vargas Ramos, Rogelio Alberto
  17. Lost0–1as WhiteagainstIM Juarez Flores, Carlos A.2358XII Juegos Centroamericanos, Guatemala 2025 | Blitz Masculino, Quinta ronda · Queen's Pawn Game: Zukertort VariationReplay the game against Juarez Flores, Carlos A.
  18. Won0–1as BlackagainstIM Burgos Figueroa, Carlos E.2325XII Juegos Centroamericanos, Guatemala 2025 | Blitz Masculino, Tercera ronda · English Opening: Agincourt Defense, Neo-Catalan DeclinedReplay the game against Burgos Figueroa, Carlos E.
  19. Won1–0as WhiteagainstCM Cardenas Carbajal, Nilson1976XII Juegos Centroamericanos, Guatemala 2025 | Blitz Masculino, Primera ronda · Queen's Pawn Game: Barry AttackReplay the game against Cardenas Carbajal, Nilson
  20. Lost1–0as BlackagainstIM Valdes Romero, Leonardo2412XII Juegos Centroamericanos, Guatemala 2025 | Blitz Masculino, Cuarta ronda · Catalan Opening: ClosedReplay the game against Valdes Romero, Leonardo
  21. Lost1–0as Blackagainst Ortiz, Marcos2119XII Juegos Centroamericanos, Guatemala 2025 | Blitz Masculino, Segunda ronda · Ruy Lopez: Morphy Defense, Mackenzie VariationReplay the game against Ortiz, Marcos
  22. Won1–0as WhiteagainstFM Lizano Quiros, Matias Haziel1979XII Juegos Centroamericanos, Guatemala 2025 | Estándar Masculino, Quinta ronda · Torre Attack: Classical DefenseReplay the game against Lizano Quiros, Matias Haziel
  23. Lost0–1as WhiteagainstFM Rocha, Maximiliano2158XII Juegos Centroamericanos, Guatemala 2025 | Estándar Masculino, Tercera ronda · Ruy Lopez: Morphy Defense, Modern Steinitz DefenseReplay the game against Rocha, Maximiliano
  24. Won0–1as BlackagainstCM Meza MartInez, Alcides Ivan2061XII Juegos Centroamericanos, Guatemala 2025 | Estándar Masculino, Segunda ronda · Queen's Pawn Game: Accelerated London SystemReplay the game against Meza MartInez, Alcides Ivan
  25. Drew½–½as WhiteagainstIM Baules Rodriguez, Jorge Luis2264Panamanian Team Championship 2024 - Final Stage, Round 5 · East Indian DefenseReplay the game against Baules Rodriguez, Jorge Luis
  26. Drew½–½as BlackagainstCM Schnell, Sebastian Narayana1996Panamanian Team Championship 2024 - Final Stage, Round 4 · Indian DefenseReplay the game against Schnell, Sebastian Narayana
  27. Lost1–0as BlackagainstIM Valderrama Quiceno, Esteban Alb2391Panamanian Team Championship 2024 - Final Stage, Round 2 · Scandinavian Defense: Classical VariationReplay the game against Valderrama Quiceno, Esteban Alb
  28. Won1–0as WhiteagainstFM Arosemena Torrijos, Jorge Luis1942Panamanian Team Championship 2024 - Final Stage, Round 3 · Pseudo Queen's Indian DefenseReplay the game against Arosemena Torrijos, Jorge Luis
  29. Drew½–½as WhiteagainstCM Neira Rodriguez, Carlos Fernando2017Panamanian Team Championship 2024 - Final Stage, Round 1 · Caro-Kann Defense: Advance Variation, Short VariationReplay the game against Neira Rodriguez, Carlos Fernando
  30. Lost0–1as WhiteagainstIM Sanchez Alvarez, Roberto Carlos23912024 Panamanian Team Championship | Open, Round 5 · Queen's Pawn Game: Colle SystemReplay the game against Sanchez Alvarez, Roberto Carlos
  31. Won0–1as Blackagainst Jimenez Giron, Alexander Abraham17912024 Panamanian Team Championship | Open, Round 4 · Scandinavian Defense: Gubinsky-Melts DefenseReplay the game against Jimenez Giron, Alexander Abraham