Player profile
Pereira, Ruben
Dossier
45 of 49 games analyzed.
Accuracy: 92%
Opened e4: 17/17
Castled kingside: 25Same-side castling: 24Castled queenside: 10Opposite-side castling: 6Did not castle: 4
Played in the center: 17Played on the kingside: 10Played on the queenside: 8Fianchettoed kingside: 7Fianchettoed queenside: 1
Active pieces: 31Initiated exchanges: 26Space advantage: 24Kept the bishop pair: 23Sacrificed material: 23Isolated pawn: 18Backward pawn: 15Missed tactics: 8Avoided exchanges: 7Played gambits: 2
Openings
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As White 19 games 13W 5D 1L
Sicilian Defense 5 games 2W 3D 0L
Grand Prix Attack 3 games 2W 1D 0L
(unspecified)
3 games
2W
1D
0L
Najdorf Variation 1 game 0W 1D 0L
English Attack
1 game
0W
1D
0L
Closed 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Ruy Lopez 4 games 4W 0D 0L
Morphy Defense 3 games 3W 0D 0L
Anderssen Variation
2 games
2W
0D
0L
Modern Steinitz Defense
1 game
1W
0D
0L
Berlin Defense 1 game 1W 0D 0L
Anti-Berlin Variation
1 game
1W
0D
0L
French Defense 2 games 1W 1D 0L
King's Indian Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Winawer Variation 1 game 1W 0D 0L
Delayed Exchange Variation
1 game
1W
0D
0L
Pirc Defense 2 games 2W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Austrian Attack 1 game 1W 0D 0L
Weiss Variation
1 game
1W
0D
0L
Caro-Kann Defense 2 games 1W 0D 1L
Two Knights Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Exchange Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Petrov's Defense 1 game 0W 1D 0L
Kaufmann Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Philidor Defense 1 game 1W 0D 0L
Lion Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Four Knights Game 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzowitsch Defense 1 game 1W 0D 0L
Williams Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 24 games 14W 3D 7L
French Defense 11 games 7W 1D 3L
Exchange Variation 4 games 3W 0D 1L
(unspecified)
4 games
3W
0D
1L
Tarrasch Variation 3 games 2W 0D 1L
Guimard Defense
1 game
1W
0D
0L
Modern System
1 game
1W
0D
0L
Chistyakov Defense
1 game
0W
0D
1L
Classical Variation 1 game 0W 0D 1L
Burn Variation
1 game
0W
0D
1L
Chigorin Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Winawer Variation 1 game 0W 1D 0L
Advance Variation
1 game
0W
1D
0L
Advance Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Gambit Declined 6 games 2W 1D 3L
Exchange Variation 5 games 2W 0D 3L
Positional Variation
5 games
2W
0D
3L
Three Knights Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Horwitz Defense 3 games 3W 0D 0L
(unspecified) 3 games 3W 0D 0L
(unspecified)
3 games
3W
0D
0L
English Opening 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
Three Knights, Fianchetto Variation
1 game
0W
1D
0L
King's Indian Attack, with e6 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Zukertort Opening 1 game 1W 0D 0L
Dutch Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzo-Larsen Attack 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 159
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 49 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.17 | Supertaca | 1.4 | 2026.10.17 Martins, Bruno Andre Leite (1942255) (2417) | ½ | 96.70% | 1. e4 e6 2. d3 d5 3. Qe2 Nc6 | |
| 2026.07.19 | 1� Divis�o | 9.4 | 2026.07.19 Gorodetzky, David (2813416) (2498) | 0 | 88.20% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.07.17 | 1� Divis�o | 7.4 | 2026.07.17 Bernardo, Daniel Madureira (1925075) (1983) | 1 | 97.40% | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 | |
| 2026.07.15 | 1� Divis�o | 4.8 | 2026.07.15 Cordeiro, Joao Carlos (1935291) (2099) | 1 | 95.90% | 1. e4 e6 2. d4 d5 3. Nd2 a6 | |
| 2026.07.13 | 1� Divis�o | 1.4 | 2026.07.13 Martinez Duany, Lelys Stanley (3504727) (2438) | ½ | 90.20% | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 | |
| 2026.07.12 | Ta�aPortugal | 2.2 | 2026.07.12 Hammes, Michael (4619358) (2285) | ½ | 83.00% | 1. d4 e6 2. c4 Nf6 3. Nf3 d5 | |
| 2026.07.07 | Ta�aPortugal | 1.2 | 2026.07.07 Faryma, Maksym (1963309) (2209) | ½ | 93.70% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 | |
| 2026.06.21 | CN Rapidas 2025-26 | 7.1 | 2026.06.21 Sousa, Andre Ventura (1917617) (2397) | 0 | 85.60% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | |
| 2026.01.24 | Equipas SR | 8.8 | 2026.01.24 Sarabando, Rodrigo Andias (1950010) (2037) | 1 | 88.90% | 1. d4 e6 2. Nf3 d5 3. c4 Nf6 | |
| 2026.01.24 | Equipas SR | 7.8 | 2026.01.24 Alvarez Calzadilla, Jose Avelino (3526151) | 1 | - | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 | |
| 2026.01.24 | Equipas SR | 2.4 | 2026.01.24 Carvalho, Vitor Manuel Moreira (1945726) (1624) | 1 | - | 1. d4 e6 2. Nf3 f5 3. c4 Nf6 | |
| 2026.01.24 | Equipas SR | 6.4 | 2026.01.24 Silva, Pedro Gil Ferreira Da (1946102) (2266) | 1 | - | 1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 | |
| 2026.01.24 | Equipas SR | 5.4 | 2026.01.24 Silva, Miguel Antonio Neto (1911929) (2157) | 1 | 88.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2026.01.24 | Equipas SR | 4.4 | 2026.01.24 Galvan Cipriani, Viviana (32041144) (2026) | ½ | 95.20% | 1. c4 c5 2. Nc3 g6 3. g3 Bg7 | |
| 2026.01.24 | Equipas SR | 1.4 | 2026.01.24 Camelo, Agostinho (1987534) | 1 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.10.18 | Supertaça 2025-26 | 1.2 | 2025.10.18 Fedorchuk, Sergey A. (14102536) (2560) | 0 | 89.10% | 1. e4 e6 2. d4 d5 3. Nd2 c5 | |
| 2025.07.18 | CN Equipas 2024-25 | 7.4 | 2025.07.18 Sousa, Hugo Carneiro (1930842) (2107) | 1 | 99.10% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2025.07.17 | CN Equipas 2024-25 | 5.12 | 2025.07.17 Ribeiro, Rodrigo (1938398) (2151) | 1 | 88.40% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2025.07.13 | Taça de Portugal 2024-25 | 2.4 | 2025.07.13 Silva, Pedro Gil Ferreira Da (1946102) (2269) | 1 | 93.30% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2025.07.12 | Taça de Portugal 2024-25 | 1.8 | 2025.07.12 Silva, Stephane (1900846) (2020) | 1 | 95.70% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2024.09.22 | 45th FIDE Chess Olympiad | 11.134 | 2024.09.22 Noboa Silva, Kevin (3618471) (2270) | 0 | 91.90% | 1. d4 e6 2. c4 d5 3. Nc3 Nf6 | |
| 2024.09.21 | 45th FIDE Chess Olympiad | 10.130 | 2024.09.21 Jimenez Garcia, Emmanuel (6504779) (2352) | 1 | 95.90% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2024.09.20 | 45th FIDE Chess Olympiad | 9.63 | 2024.09.20 Petrov, Martin (2911086) (2536) | ½ | 97.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.09.18 | 45th FIDE Chess Olympiad | 7.138 | 2024.09.18 Elbilia, Jacques (9000127) (2343) | 1 | 97.50% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2024.09.16 | 45th FIDE Chess Olympiad | 6.138 | 2024.09.16 Karimov, Alisher (14700280) (2240) | ½ | 91.20% | 1. e4 c5 2. Nc3 e6 3. Nge2 Nc6 | |
| 2024.09.15 | 45th FIDE Chess Olympiad | 5.130 | 2024.09.15 Cupid, Kevin (7700512) (2201) | 1 | 95.30% | 1. e4 c6 2. Nc3 d5 3. Nf3 a6 | |
| 2024.09.14 | 45th FIDE Chess Olympiad | 4.190 | 2024.09.14 Belzo, Krzysztof (1126768) (2076) | 1 | 94.80% | 1. d4 e6 2. Nf3 Nf6 3. g3 d5 | |
| 2024.09.13 | 45th FIDE Chess Olympiad | 3.131 | 2024.09.13 Ang, Ern Jie Anderson (5736200) (2132) | 0 | 94.60% | 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 | |
| 2024.09.12 | 45th FIDE Chess Olympiad | 2.38 | 2024.09.12 Daneshvar, Bardiya (12576468) (2598) | 0 | 92.40% | 1. c4 e6 2. Nc3 d5 3. d4 Nf6 | |
| 2024.09.11 | 45th FIDE Chess Olympiad | 1.215 | 2024.09.11 Abdul Rahman, Ali (16700066) (1844) | 1 | 90.20% | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 | |
| 2024.07.21 | 1 Divisao | 9.20 | 2024.07.21 Loeffler, Stefan (4603257) (2318) | 0 | 88.50% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2024.07.20 | 1 Divisao | 8.16 | 2024.07.20 Vasques, Antonio Pedro Freixial (1908332) (2228) | 1 | 94.70% | 1. d4 e6 2. e4 d5 3. exd5 exd5 | |
| 2024.07.20 | 1 Divisao | 7.4 | 2024.07.20 Silva, Pedro Gil Ferreira Da (1946102) (2239) | 1 | 95.60% | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 | |
| 2024.07.19 | 1 Divisao | 6.8 | 2024.07.19 Suleymenov, Alisher (13707833) (2488) | ½ | 89.30% | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 | |
| 2024.07.17 | 1 Divisao | 3.8 | 2024.07.17 Vassallo Barroche, Mauricio (101648) (2344) | 1 | 94.00% | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 | |
| 2024.07.15 | 1 Divisao | 1.4 | 2024.07.15 Guerreiro, Nuno (1903012) (2013) | 1 | 98.50% | 1. Nf3 f5 2. c4 Nf6 3. Nc3 e6 | |
| 2024.06.15 | Round 8: Ryabukhin, Roman - Pereira, Ruben | 2024.06.15 Ryabukhin, Roman (24257893) (2024) | 0 | 87.90% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | ||
| 2024.06.15 | Round 5: Pereira, Ruben - Fidalgo, Andre Neves | 2024.06.15 Fidalgo, Andre Neves (1933620) (2092) | 1 | 85.30% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | ||
| 2024.06.15 | Round 4: Fernandes, Jose Alberto - Pereira, Ruben | 2024.06.15 Fernandes, Jose Alberto (1947710) (1443) | 1 | 78.20% | 1. b3 e5 2. Bb2 d6 3. e3 g6 | ||
| 2024.06.15 | Round 3: Pereira, Ruben - Guerreiro, Nuno | 2024.06.15 Guerreiro, Nuno (1903012) (1953) | 1 | 94.60% | 1. e4 Nc6 2. Nf3 d6 3. d4 e6 | ||
| 2024.06.15 | Round 2: Pinto, Jose Joao Meireles Alves - Pereira, Ruben | 2024.06.15 Pinto, Jose Joao Meireles Alves (1961756) (1840) | 1 | 96.40% | 1. e4 e6 2. d4 d5 3. e5 c5 | ||
| 2024.06.15 | Round 1: Pereira, Ruben - Frutuoso, Tiago | 2024.06.15 Frutuoso, Tiago (1966898) (1709) | 1 | 90.30% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2024.06.14 | Round 6: Pereira, Ruben - Veiga, Jose Francisco R P Neves | 2024.06.14 Veiga, Jose Francisco R P Neves (1930087) (2383) | 1 | 85.90% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2023.10.14 | Supertaca 2023 | 1.1 | 2023.10.14 Frois, Antonio (1900080) (2235) | 1 | 96.00% | 1. Nf3 f5 2. c4 Nf6 3. g3 d6 | |
| 2023.07.21 | CN Equipas 2022-23 | 7.16 | 2023.07.21 GUIA, Artur (1987) | 1 | 98.50% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2023.07.21 | CN Equipas 2022-23 | 6.16 | 2023.07.21 SOUSA, Hugo (1912704) (2067) | 1 | 95.60% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2023.07.20 | CN Equipas 2022-23 | 5.20 | 2023.07.20 RIBEIRO, Gustavo (1941852) (1876) | ½ | 86.10% | 1. e4 c5 2. Nc3 a6 3. Nge2 b5 | |
| 2023.07.19 | CN Equipas 2022-23 | 3.8 | 2023.07.19 BASILIO, Rodrigo (1941380) (1925) | ½ | 84.50% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2023.07.17 | CN Equipas 2022-23 | 1.12 | 2023.07.17 LOFFLER, Stefan (2352) | 1 | 88.80% | 1. d4 f5 2. Qd3 d5 3. Bf4 Nf6 |