Player profile
Koen Mathijssen
Dossier
5 of 5 games analyzed.
Accuracy: 88.4%
Opened e4: 2/2
Castled kingside: 4Opposite-side castling: 2Same-side castling: 2Castled queenside: 1
Played on the queenside: 3Fianchettoed kingside: 2Played in the center: 2
Active pieces: 4Sacrificed material: 3Avoided exchanges: 3Backward pawn: 2Initiated exchanges: 2Space advantage: 1Missed tactics: 1Played gambits: 1Kept the bishop pair: 1
Openings
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As White 2 games 1W 0D 1L
Sicilian Defense 2 games 1W 0D 1L
Hyperaccelerated Dragon 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Kalashnikov Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 3 games 1W 1D 1L
Grünfeld Defense 1 game 0W 0D 1L
Three Knights Variation 1 game 0W 0D 1L
Burille Variation
1 game
0W
0D
1L
Vienna Game 1 game 1W 0D 0L
Anderssen Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
East Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Blunders Top 4 of 24
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 5 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2025.05.18 | Round 6: Koen Mathijssen - Jan Vossen | 6.8 | 2025.05.18 Opemipo Odukoya (8560706) | 1 | 91.10% | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 | |
| 2025.05.18 | Round 5: Vincent Huang - Koen Mathijssen | 5.5 | 2025.05.18 Vincent Huang (8973327) | 0 | 82.20% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2025.05.17 | Round 4: Koen Mathijssen - Van der Geest, Friso | 4.2 | 2025.05.17 Van der Geest, Friso (40121372) | 0 | 88.40% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.05.17 | Round 3: Robert Vosters - Koen Mathijssen | 3.5 | 2025.05.17 Robert Vosters (8869487) | 1 | 89.80% | 1. e4 e5 2. Nc3 Bc5 3. Bc4 Nf6 | |
| 2025.05.13 | Round 2: Talpe, Erwin - Koen Mathijssen | 2.1 | 2025.05.13 Talpe, Erwin (1048678) (1832) | ½ | 90.70% | 1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 |