Player profile
Van Oosterom, Chiel
Dossier
10 of 10 games analyzed.
Accuracy: 93%
Opened c4: 4/5Opened Nf3: 1/5
Castled kingside: 9Same-side castling: 8Opposite-side castling: 1Did not castle: 1
Fianchettoed kingside: 7Fianchettoed queenside: 5Played on the kingside: 5Played in the center: 1
Kept the bishop pair: 8Active pieces: 8Space advantage: 7Initiated exchanges: 7Backward pawn: 6Isolated pawn: 4Sacrificed material: 4Accepted short draws: 1Avoided exchanges: 1
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 5 games 2W 3D 0L
English Opening 4 games 2W 2D 0L
Agincourt Defense 2 games 0W 2D 0L
Bogoljubow Defense
1 game
0W
1D
0L
Neo-Catalan Declined
1 game
0W
1D
0L
King's English Variation 1 game 1W 0D 0L
Reversed Closed Sicilian
1 game
1W
0D
0L
Symmetrical Variation 1 game 1W 0D 0L
Botvinnik System Reversed, with Nf3
1 game
1W
0D
0L
King's Indian Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
As Black 5 games 4W 0D 1L
Sicilian Defense 3 games 3W 0D 0L
Alapin Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Classical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Najdorf Variation 1 game 1W 0D 0L
Petronić Attack
1 game
1W
0D
0L
Zukertort Opening 1 game 1W 0D 0L
Dutch Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Dutch Defense 1 game 0W 0D 1L
Leningrad Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 16
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 10 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.16 | Round 7: Van Oosterom, Chiel - Stein, Robert | 7.2 | 2026.10.16 Stein, Robert (12921084) (2389) | ½ | 90.10% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2026.10.15 | Round 6: Lami, Damiano - Van Oosterom, Chiel | 6.4 | 2026.10.15 Lami, Damiano (869090) (2228) | 1 | 95.10% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2026.10.15 | Round 5: Van Oosterom, Chiel - Kilic, Efe Mert | 5.2 | 2026.10.15 Kilic, Efe Mert (6354327) (2225) | ½ | 95.10% | 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 | |
| 2026.10.14 | Round 4: Bjorkman, Filip - Van Oosterom, Chiel | 4.4 | 2026.10.14 Bjorkman, Filip (1734970) (2089) | 1 | 93.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.10.13 | Round 3: Van Oosterom, Chiel - Gulden, Egemen | 3.2 | 2026.10.13 Gulden, Egemen (6324983) (2095) | ½ | 88.70% | 1. c4 Nf6 2. g3 e6 3. Bg2 d5 | |
| 2026.10.13 | Round 2: Eriksen, Olai Dyrhaug - Van Oosterom, Chiel | 2.2 | 2026.10.13 Eriksen, Olai Dyrhaug (1539892) (2008) | 1 | 98.30% | 1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 | |
| 2026.10.12 | Round 1: Van Oosterom, Chiel - Stahlberg, Adam | 1.3 | 2026.10.12 Stahlberg, Adam (1503898) (1923) | 1 | 86.70% | 1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 | |
| 2024.03.30 | Round 3: Warmerdam, Max - Van Oosterom, Chiel | 2024.03.30 Warmerdam, Max (1048104) (2628) | 0 | 94.30% | 1. Nf3 f5 2. d4 Nf6 3. g3 g6 | ||
| 2024.03.30 | Round 1: De Man, Luuk - Van Oosterom, Chiel | 2024.03.30 De Man, Luuk (1057464) (1956) | 1 | 95.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.03.29 | Round 2: Van Oosterom, Chiel - Tiggelman, Rene | 2024.03.29 Tiggelman, Rene (1006185) (2185) | 1 | 93.10% | 1. c4 c5 2. g3 Nc6 3. Bg2 g6 |