Player profile
Fernandez Sanjuan, Oscar
Dossier
19 of 19 games analyzed.
Accuracy: 88.2%
Opened c4: 3/4Opened Nf3: 1/4
Castled kingside: 11Same-side castling: 10Opposite-side castling: 1
Fianchettoed kingside: 11Played on the queenside: 6Fianchettoed queenside: 3Played on the kingside: 2
Backward pawn: 10Active pieces: 9Initiated exchanges: 7Isolated pawn: 6Kept the bishop pair: 6Space advantage: 6Sacrificed material: 6Missed tactics: 5Played gambits: 1Avoided exchanges: 1
Openings
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As White 4 games 1W 1D 2L
English Opening 4 games 1W 1D 2L
Agincourt Defense 3 games 0W 1D 2L
Catalan Defense Accepted
2 games
0W
1D
1L
(unspecified)
1 game
0W
0D
1L
Symmetrical Variation 1 game 1W 0D 0L
Ultra-Symmetrical Variation
1 game
1W
0D
0L
As Black 7 games 1W 1D 5L
Sicilian Defense 2 games 0W 0D 2L
Alapin Variation 1 game 0W 0D 1L
Barmen Defense
1 game
0W
0D
1L
Dragon Variation 1 game 0W 0D 1L
Yugoslav Attack, Modern Line
1 game
0W
0D
1L
Nimzo-Larsen Attack 1 game 0W 0D 1L
English Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's Indian Defense 1 game 0W 1D 0L
Fianchetto Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Benko Gambit Accepted 1 game 0W 0D 1L
Modern Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Benoni Defense 1 game 0W 0D 1L
Fianchetto Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Benko Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 97
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 19 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.08.04 | Leca Chess Open 2026 | 7.21 | 2026.08.04 Rojas Salas, Steven (3819434) (2417) | 0 | 84.90% | 1. b3 c5 2. Bb2 Nf6 3. c4 g6 | |
| 2026.08.01 | Leca Chess Open 2026 | 3.7 | 2026.08.01 Marques, Afonso Mendes Pereira (1947184) (1903) | ½ | 86.00% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | |
| 2025.07.31 | Leca Chess Open 2025 | 1.23 | 2025.07.31 Ouellet, Maili-Jade (2620472) (2350) | 0 | 81.70% | 1. d4 Nf6 2. c4 c5 3. d5 b5 | |
| 2024.08.31 | Round 9: Fernandez Sanjuan, Oscar - Van der Werf, Joel | 9.4 | 2024.08.31 Van der Werf, Joel (1053620) (2114) | ½ | 93.40% | 1. c4 Nf6 2. g3 e6 3. Bg2 d5 | |
| 2024.08.27 | Round 5: Fernandez Sanjuan, Oscar - Honkoop, Gilian | 5.8 | 2024.08.27 Honkoop, Gilian (1051873) (2189) | 0 | 86.60% | 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 | |
| 2024.08.23 | Round 1: Goncalves, Samuel Jesus P - Fernandez Sanjuan, Oscar | 1.9 | 2024.08.23 Goncalves, Samuel Jesus P (1945130) (2186) | 0 | 87.70% | 1. d4 Nf6 2. c4 e6 3. g3 c5 | |
| 2023.07.30 | CE SUB 16 RAPIDO. 2023 | 9.28 | 2023.07.30 Benseny Martinez, Guerau (24597481) (1802) | 1 | 90.30% | 1. c4 Nf6 2. g3 e6 3. Bg2 d5 | |
| 2023.07.30 | CE SUB 16 RAPIDO. 2023 | 8.20 | 2023.07.30 Cayon Pelaez, Pablo (24527947) (1960) | 0 | 87.50% | 1. d4 g6 2. c4 Bg7 3. Nc3 c5 | |
| 2023.07.30 | CE SUB 16 RAPIDO. 2023 | 7.26 | 2023.07.30 Mangues Rubia, Oriol (54521866) (1890) | 1 | 91.40% | 1. c4 e5 2. g3 Nc6 3. Bg2 Bc5 | |
| 2023.07.30 | CE SUB 16 RAPIDO. 2023 | 6.20 | 2023.07.30 Salvador Buiza, Victor (54533686) (1951) | 0 | 77.80% | 1. f4 c5 2. Nf3 Nc6 3. e4 g6 | |
| 2023.07.30 | CE SUB 16 RAPIDO. 2023 | 5.6 | 2023.07.30 Valle Luis, Leo (54577187) (2147) | 0 | 88.60% | 1. g3 g6 2. Bg2 Bg7 3. c4 c5 | |
| 2023.07.29 | CE SUB 16 RAPIDO. 2023 | 4.12 | 2023.07.29 Sanchez Aguilar, Arnau (54530083) (2046) | 1 | 91.10% | 1. e4 c5 2. c3 g6 3. d4 cxd4 | |
| 2023.07.29 | CE SUB 16 RAPIDO. 2023 | 3.16 | 2023.07.29 Moreno Diepa, Diego (24562440) (2018) | ½ | 92.10% | 1. c4 c6 2. g3 d5 3. Bg2 Nf6 | |
| Leca Chess Open 2025 | 9.26 | Alvarez Pampillon, Antonio (24579777) (2174) | 1 | 92.10% | 1. c4 g6 2. g3 Bg7 3. Bg2 c5 | ||
| 2024.02.13 | Ronda 7: David Cernadas Camean - Oscar Fernandez Sanjuan | 2024.02.13 David Cernadas Camean | 0 | 82.60% | 1. e4 c5 2. Nf3 Nc6 3. c3 d5 | ||
| 2024.02.12 | Ronda 6: Oscar Fernandez Sanjuan - Eduardo Cabanas Lopez | 2024.02.12 Eduardo Cabanas Lopez | 0 | 89.10% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | ||
| 2024.02.12 | Ronda 5: Diego Cacheiro Blanco - Oscar Fernandez Sanjuan | 2024.02.12 Diego Cacheiro Blanco | 0 | 89.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.02.11 | Ronda 4: Oscar Fernandez Sanjuan - Anton Quintas Otero | 2024.02.11 Anton Quintas Otero | 1 | 94.30% | 1. c4 c5 2. g3 g6 3. Bg2 Bg7 | ||
| 2024.02.11 | Ronda 3: Breixo Longueira Alonso - Oscar Fernandez Sanjuan | 2024.02.11 Breixo Longueira Alonso | 1 | 94.30% | 1. d4 Nf6 2. c4 c5 3. d5 b5 |