Player profile
Klaas De Boer
Dossier
8 of 8 games analyzed.
Accuracy: 89.3%
Opened f4: 2/4Opened c4: 1/4Opened e4: 1/4
Castled kingside: 6Same-side castling: 5Opposite-side castling: 3Castled queenside: 2
Played on the queenside: 3Fianchettoed kingside: 2Played in the center: 2Played on the kingside: 1Fianchettoed queenside: 1
Isolated pawn: 7Active pieces: 6Initiated exchanges: 6Sacrificed material: 5Backward pawn: 4Space advantage: 3Kept the bishop pair: 3Missed tactics: 3Avoided exchanges: 2Played gambits: 1
Openings
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As White 4 games 2W 0D 2L
Bird Opening 2 games 1W 0D 1L
Dutch Variation 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
English Opening 1 game 1W 0D 0L
King's English Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Sicilian Defense 1 game 0W 0D 1L
Lasker-Pelikan Variation 1 game 0W 0D 1L
Schlechter Variation
1 game
0W
0D
1L
As Black 4 games 1W 0D 3L
Italian Game 2 games 1W 0D 1L
Scotch Gambit 1 game 1W 0D 0L
Max Lange Attack
1 game
1W
0D
0L
Two Knights Defense 1 game 0W 0D 1L
Modern Bishop's Opening
1 game
0W
0D
1L
French Defense 1 game 0W 0D 1L
Schlechter Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Scotch Game 1 game 0W 0D 1L
Schmidt Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 31
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 8 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2025.07.30 | Round 9: Klaas De Boer - Boeren, Jurriaan | 9.24 | 2025.07.30 Boeren, Jurriaan (1067478) (2096) | 1 | 91.00% | 1. c4 e5 2. g3 c6 3. d4 e4 | |
| 2025.07.29 | Round 8: Aravindhan, Achyuth - Klaas De Boer | 8.27 | 2025.07.29 Aravindhan, Achyuth (1084216) (2031) | 1 | 94.60% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.07.28 | Round 7: Klaas De Boer - Khatniuk, Anastasiia | 7.29 | 2025.07.28 Khatniuk, Anastasiia (14179105) (1980) | 1 | 96.70% | 1. f4 d5 2. Nf3 Bg4 3. e3 Nf6 | |
| 2025.07.27 | Round 6: Drugmand, Benoit - Klaas De Boer | 6.27 | 2025.07.27 Drugmand, Benoit (271543) (2057) | 0 | 91.90% | 1. e4 e6 2. d4 d5 3. Bd3 dxe4 | |
| 2025.07.25 | Round 4: Blok, Xaveer - Klaas De Boer | 4.28 | 2025.07.25 Blok, Xaveer (1092723) (1941) | 0 | 86.30% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2025.07.24 | Round 3: Klaas De Boer - De Wit, Evan | 3.28 | 2025.07.24 De Wit, Evan (1096389) (2003) | 0 | 80.10% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.07.23 | Round 2: Aditya Kunal Patil - Klaas De Boer | 2.23 | 2025.07.23 Aditya Kunal Patil (25656716) (2047) | 0 | 84.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.07.22 | Round 1: Klaas De Boer - Hausrath, Daniel | 1.5 | 2025.07.22 Hausrath, Daniel (4617495) (2440) | 0 | 89.40% | 1. f4 d5 2. Nf3 g6 3. e3 Bg7 |