Player profile
Williams, Oscar
Dossier
27 of 28 games analyzed.
Accuracy: 91.5%
Opened e4: 12/12
Castled kingside: 24Same-side castling: 15Opposite-side castling: 7Did not castle: 1Castled queenside: 1
Played in the center: 14Fianchettoed kingside: 4Played on the kingside: 3Played on the queenside: 2Fianchettoed queenside: 1
Initiated exchanges: 19Sacrificed material: 18Active pieces: 17Backward pawn: 15Isolated pawn: 14Kept the bishop pair: 14Space advantage: 14Missed tactics: 6Played gambits: 3Avoided exchanges: 3
Openings
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As White 13 games 4W 5D 4L
Sicilian Defense 8 games 2W 3D 3L
Nyezhmetdinov-Rossolimo Attack 3 games 1W 0D 2L
Fianchetto Variation
2 games
0W
0D
2L
(unspecified)
1 game
1W
0D
0L
Najdorf Variation 3 games 1W 1D 1L
Yates Variation
2 games
1W
1D
0L
Amsterdam Variation
1 game
0W
0D
1L
Accelerated Dragon 1 game 0W 1D 0L
Modern Variation
1 game
0W
1D
0L
Taimanov Variation 1 game 0W 1D 0L
Bastrikov Variation, English Attack
1 game
0W
1D
0L
Ruy Lopez 3 games 1W 1D 1L
Morphy Defense 2 games 1W 1D 0L
Steinitz Deferred
1 game
1W
0D
0L
Modern Steinitz Defense
1 game
0W
1D
0L
Open 1 game 0W 0D 1L
Berlin Variation
1 game
0W
0D
1L
French Defense 1 game 1W 0D 0L
Tarrasch Variation 1 game 1W 0D 0L
Modern System
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 14 games 6W 3D 5L
Sicilian Defense 12 games 5W 2D 5L
Richter-Rauzer Variation 6 games 2W 1D 3L
(unspecified)
2 games
1W
0D
1L
Modern Variation
2 games
0W
0D
2L
Classical Variation
2 games
1W
1D
0L
Closed 2 games 2W 0D 0L
Carlsen Variation
1 game
1W
0D
0L
(unspecified)
1 game
1W
0D
0L
Moscow Variation 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Alapin Variation 1 game 0W 0D 1L
Stoltz Attack
1 game
0W
0D
1L
Classical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Defense 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
Rare Defenses
1 game
0W
1D
0L
English Opening 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
Botvinnik System
1 game
1W
0D
0L
Blunders Top 4 of 115
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 28 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.07 | Round 6: Williams, Oscar - Lopez Naranjo, Ubaldo Enrique | 6.4 | 2026.09.07 Lopez Naranjo, Ubaldo Enrique (3530310) (1969) | 1 | 92.60% | 1. e4 e6 2. d4 d5 3. Nd2 a6 | |
| 2026.09.07 | Round 5: Sha, Yi - Williams, Oscar | 5.3 | 2026.09.07 Sha, Yi (39915050) (2102) | ½ | 92.10% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.09.06 | Round 3: Rosner, Andrew - Williams, Oscar | 3.4 | 2026.09.06 Rosner, Andrew (566027730) | 1 | 86.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.09.05 | Round 2: Williams, Oscar - Jimenez Leyva, Diego | 2.5 | 2026.09.05 Jimenez Leyva, Diego (3534235) (2064) | 1 | - | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2026.09.05 | Round 1: Muneepeerakul, Analaya - Williams, Oscar | 1.6 | 2026.09.05 Muneepeerakul, Analaya (39914518) (1790) | 1 | 97.40% | 1. e4 c5 2. c4 Nc6 3. Nc3 g6 | |
| 2026.09.03 | Round 4: Williams, Oscar - Chakrabarti, Brejesh | 4.1 | 2026.09.03 Chakrabarti, Brejesh (30969280) (2230) | 0 | 89.90% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2026.07.02 | 54th World Open - 2026 | 3.11 | 2026.07.02 Colville, Julian (30963273) (2333) | 0 | 92.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.07.01 | 54th World Open - 2026 | 1.9 | 2026.07.01 Erenburg, Sergey (2805642) (2481) | 1 | 97.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.01.04 | Round 5: Williams, Oscar - Chakrabarti, Brejesh | 5.3 | 2026.01.04 Chakrabarti, Brejesh (30969280) (2258) | 0 | 90.50% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2025.11.16 | Round 5: Williams, Oscar - Vivan Mulay | 5.4 | 2025.11.16 Vivan Mulay | 0 | 90.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.11.15 | Round 3: Williams, Oscar - Meadors, Landon | 3.2 | 2025.11.15 Meadors, Landon (39948080) (1871) | 1 | 96.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.11.15 | Round 2: Ubaldo Lopez-Naranjo - Williams, Oscar | 2.3 | 2025.11.15 Ubaldo Lopez-Naranjo | 1 | 95.30% | 1. e4 c5 2. Nc3 d6 3. d4 cxd4 | |
| 2025.11.14 | Round 4: Julio Becerra - Williams, Oscar | 4.1 | 2025.11.14 Julio Becerra | 0 | 89.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.01.20 | Round 6: Williams, Oscar - Fishbein, Alexander | 6.4 | 2025.01.20 Fishbein, Alexander (2000377) (2378) | 0 | 90.90% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.01.19 | Round 3: Wu, Andrew - Williams, Oscar | 3.6 | 2025.01.19 Wu, Andrew (30985749) (2197) | 0 | 88.00% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2025.01.18 | Round 2: Williams, Oscar - Prithu Gupta | 2.4 | 2025.01.18 Prithu Gupta (46618546) (2415) | ½ | 89.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.11.16 | Round 2: Santiago Casares - Williams, Oscar | 2.2 | 2024.11.16 Santiago Casares | ½ | 84.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.11.15 | Round 1: Williams, Oscar - Wilson, Otis | 1.3 | 2024.11.15 Wilson, Otis (30904021) (1970) | 1 | 96.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2024.10.06 | Round 5: Morella Cabrera, Julio Antonio - Williams, Oscar | 5.3 | 2024.10.06 Morella Cabrera, Julio Antonio (3501639) (2179) | 1 | 96.30% | 1. e4 c5 2. Nc3 e6 3. g3 Nc6 | |
| 2024.10.06 | Round 4: Williams, Oscar - Gao, Marvin | 4.3 | 2024.10.06 Gao, Marvin (30920175) (2144) | ½ | 98.70% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.10.05 | Round 2: Williams, Oscar - Girones Barrios, Yans Richard | 2.1 | 2024.10.05 Girones Barrios, Yans Richard (3506142) (2392) | ½ | 94.00% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2024.10.04 | Round 1: Diego Jimenez - Williams, Oscar | 1.4 | 2024.10.04 Diego Jimenez | 1 | 90.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.06.02 | Round 5: Williams, Oscar - Hoang, Truman | 2024.06.02 Hoang, Truman (2076063) (1972) | ½ | 96.60% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | ||
| 2024.06.02 | Round 2: Chakrabarti, Brejesh - Williams, Oscar | 2024.06.02 Chakrabarti, Brejesh (30969280) (2227) | 0 | 90.70% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | ||
| 2024.05.05 | Round 4: Venkat, Raghav - Williams, Oscar | 2024.05.05 Venkat, Raghav (2096250) (2222) | 0 | 82.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.05.04 | Round 1: Williams, Oscar - Nick Moore | 2024.05.04 Nick Moore | ½ | 95.70% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2024.03.10 | Round 5: ? | 2024.03.10 Chakrabarti, Brejesh (30969280) (2210) | ½ | 74.20% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | ||
| Round 2: Williams, Oscar - Vivan Mulay | 2.3 | Vivan Mulay | 0 | 92.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 |