Player profile
Ulloa Castillo, Ruben Abraham
Dossier
29 of 31 games analyzed.
Accuracy: 89%
Opened d4: 10/14Opened Nf3: 3/14Opened e4: 1/14
Castled kingside: 25Same-side castling: 22Opposite-side castling: 3Did not castle: 2Castled queenside: 2
Played in the center: 12Played on the kingside: 11Fianchettoed queenside: 4Fianchettoed kingside: 3Played on the queenside: 3
Isolated pawn: 21Backward pawn: 18Active pieces: 18Sacrificed material: 17Initiated exchanges: 15Space advantage: 14Missed tactics: 11Kept the bishop pair: 10Avoided exchanges: 6Played gambits: 2
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 15 games 7W 2D 6L
Queen's Pawn Game 4 games 2W 0D 2L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Zukertort Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Barry Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Colle System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Torre Attack 3 games 1W 0D 2L
Classical Defense 2 games 1W 0D 1L
Nimzowitsch Variation
1 game
0W
0D
1L
(unspecified)
1 game
1W
0D
0L
Fianchetto Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Slav Defense 2 games 2W 0D 0L
Exchange Variation 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Indian Defense 1 game 1W 0D 0L
Wade-Tartakower Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Benoni Defense 1 game 0W 0D 1L
Benoni-Indian Defense 1 game 0W 0D 1L
Kingside Move Order
1 game
0W
0D
1L
Ruy Lopez 1 game 0W 0D 1L
Morphy Defense 1 game 0W 0D 1L
Modern Steinitz Defense
1 game
0W
0D
1L
East Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Pseudo Queen's Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Caro-Kann Defense 1 game 0W 1D 0L
Advance Variation 1 game 0W 1D 0L
Short Variation
1 game
0W
1D
0L
As Black 16 games 5W 3D 8L
Slav Defense 3 games 1W 0D 2L
Alekhine Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Modern Line 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Ruy Lopez 3 games 0W 1D 2L
Morphy Defense 2 games 0W 0D 2L
Tarrasch Variation
1 game
0W
0D
1L
Mackenzie Variation
1 game
0W
0D
1L
Closed 1 game 0W 1D 0L
Chigorin Defense
1 game
0W
1D
0L
Scandinavian Defense 2 games 1W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Gubinsky-Melts Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Réti Opening 1 game 0W 0D 1L
Anglo-Slav Variation 1 game 0W 0D 1L
New York System
1 game
0W
0D
1L
Italian Game 1 game 1W 0D 0L
Giuoco Pianissimo 1 game 1W 0D 0L
Italian Four Knights Variation
1 game
1W
0D
0L
King's Indian Attack 1 game 0W 0D 1L
Keres Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Larsen Attack 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Catalan Opening 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 1W 0D 0L
Agincourt Defense 1 game 1W 0D 0L
Neo-Catalan Declined
1 game
1W
0D
0L
Queen's Pawn Game 1 game 1W 0D 0L
Accelerated London System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Blunders Top 4 of 148
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 31 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.25 | Olymp 2026 Open | 9.227 | 2026.09.25 Mapuranga, Vitalis (11004380) (2058) | 0 | 89.50% | 1. d4 d5 2. c4 c6 3. Nc3 Nf6 | |
| 2026.09.24 | Olymp 2026 Open | 8.140 | 2026.09.24 Dardha, Arben (4700481) (2229) | 0 | 88.10% | 1. Nf3 d5 2. e3 Nf6 3. c4 c6 | |
| 2026.09.21 | Olymp 2026 Open | 6.147 | 2026.09.21 Amartuvshin, Ganzorig (4902548) (2445) | 0 | 83.10% | 1. d4 d5 2. c4 c6 3. Nc3 Nf6 | |
| 2026.09.19 | Olymp 2026 Open | 4.4 | 2026.09.19 Budhidharma, Nayaka (7106955) (2383) | 0 | 92.00% | 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 | |
| 2026.09.18 | Olymp 2026 Open | 3.284 | 2026.09.18 Tjin Kon Kiem, Ethan (8206040) (1828) | 1 | 91.00% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.09.17 | Olymp 2026 Open | 2.15 | 2026.09.17 Stribuk, Artiom (13515659) (2489) | 0 | 85.00% | 1. g3 d5 2. Nf3 Bg4 3. Bg2 e6 | |
| 2026.09.16 | Olymp 2026 Open | 1.375 | 2026.09.16 Delrieu, Marc (241000137) (1564) | 1 | 80.10% | 1. Nf3 d6 2. d4 Nf6 3. Nc3 c6 | |
| 2026.08.30 | V Panama Chess Open 2026 | 9.14 | 2026.08.30 Lezcano Martinez, Christopher (6558453) (1964) | ½ | 95.40% | 1. Nf3 d5 2. b3 Nf6 3. Bb2 Bf5 | |
| 2026.08.29 | V Panama Chess Open 2026 | 8.8 | 2026.08.29 Fernandez Sanchez, Fernando Miguel (3802299) (2371) | 0 | 88.20% | 1. d4 Nf6 2. Nf3 e6 3. Bg5 h6 | |
| 2026.08.29 | V Panama Chess Open 2026 | 7.3 | 2026.08.29 Espinosa Veloz, Ermes (3507424) (2468) | 0 | 88.70% | 1. d4 Nf6 2. Nf3 c5 3. d5 e6 | |
| 2026.08.28 | V Panama Chess Open 2026 | 6.6 | 2026.08.28 Ramirez Cabreja, Ronniel Abraham (3534464) (2311) | 1 | 97.10% | 1. Nf3 d5 2. d4 Nf6 3. g3 Bg4 | |
| 2026.08.27 | V Panama Chess Open 2026 | 5.12 | 2026.08.27 Blackwood, Ryan (7400640) (1952) | 1 | 95.00% | 1. d4 d5 2. Nf3 Nf6 3. c4 c6 | |
| 2026.08.27 | V Panama Chess Open 2026 | 4.5 | 2026.08.27 Miranda Mesa, Elier (3510697) (2450) | 0 | 88.00% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.08.27 | V Panama Chess Open 2026 | 3.13 | 2026.08.27 Schnell, Sebastian Narayana (6605290) (2003) | 1 | 97.20% | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 | |
| 2026.08.26 | V Panama Chess Open 2026 | 2.17 | 2026.08.26 Rodriguez, Cristian A. (6701892) (1910) | ½ | 94.90% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.08.25 | V Panama Chess Open 2026 | 1.17 | 2026.08.25 Vargas Ramos, Rogelio Alberto (6600492) (1681) | 1 | 90.90% | 1. Nf3 d5 2. d4 Nf6 3. c4 c6 | |
| 2025.10.30 | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | 5.9 | 2025.10.30 Juarez Flores, Carlos A. (7300018) (2358) | 0 | 86.20% | 1. d4 d5 2. Nf3 c6 3. e3 Bg4 | |
| 2025.10.30 | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | 4.1 | 2025.10.30 Valdes Romero, Leonardo (6500331) (2412) | 0 | 89.80% | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 | |
| 2025.10.30 | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | 3.9 | 2025.10.30 Burgos Figueroa, Carlos E. (6700187) (2325) | 1 | 89.00% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2025.10.30 | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | 2.6 | 2025.10.30 Ortiz, Marcos (6100678) (2119) | 0 | 79.60% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.10.30 | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | 1.6 | 2025.10.30 Cardenas Carbajal, Nilson (8401128) (1976) | 1 | 81.00% | 1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 | |
| 2025.10.28 | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | 5.12 | 2025.10.28 Lizano Quiros, Matias Haziel (6543863) (1979) | 1 | 89.60% | 1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 | |
| 2025.10.26 | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | 3.8 | 2025.10.26 Rocha, Maximiliano (6100775) (2158) | 0 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.10.25 | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | 2.12 | 2025.10.25 Meza MartInez, Alcides Ivan (8400610) (2061) | 1 | - | 1. d4 d5 2. Bf4 Nf6 3. e3 c5 | |
| 2024.11.24 | Round 5: Ulloa, Ruben Abraham - Baules Rodriguez, Jorge Luis | 5.3 | 2024.11.24 Baules Rodriguez, Jorge Luis (6600247) (2264) | ½ | 88.90% | 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 | |
| 2024.11.24 | Round 4: Schnell, Sebastian Narayana - Ulloa, Ruben Abraham | 4.11 | 2024.11.24 Schnell, Sebastian Narayana (6605290) (1996) | ½ | 78.80% | 1. d4 Nf6 2. Nc3 d6 3. Bf4 Nbd7 | |
| 2024.11.23 | Round 3: Ulloa, Ruben Abraham - Arosemena Torrijos, Jorge Luis | 3.7 | 2024.11.23 Arosemena Torrijos, Jorge Luis (6600140) (1942) | 1 | 93.50% | 1. d4 Nf6 2. Nf3 b6 3. e3 Bb7 | |
| 2024.11.23 | Round 2: Valderrama Quiceno, Esteban Alb - Ulloa, Ruben Abraham | 2.7 | 2024.11.23 Valderrama Quiceno, Esteban Alb (4442024) (2391) | 0 | 85.50% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 | |
| 2024.11.22 | Round 1: Ulloa, Ruben Abraham - Neira Rodriguez, Carlos Fernando | 1.11 | 2024.11.22 Neira Rodriguez, Carlos Fernando (6600948) (2017) | ½ | 87.70% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2024.11.10 | Round 5: Ulloa, Ruben Abraham - Sanchez Alvarez, Roberto Carlos | 5.10 | 2024.11.10 Sanchez Alvarez, Roberto Carlos (3508684) (2391) | 0 | 93.10% | 1. d4 Nf6 2. Nf3 d5 3. e3 c5 | |
| 2024.11.09 | Round 4: Jimenez Giron, Alexander Abraham - Ulloa, Ruben Abraham | 4.10 | 2024.11.09 Jimenez Giron, Alexander Abraham (6613977) (1791) | 1 | 93.30% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 |