Player profile
Kok, Lennart
Dossier
7 of 7 games analyzed.
Accuracy: 85.3%
Opened d4: 3/3
Castled kingside: 6Same-side castling: 6Castled queenside: 1
Played in the center: 4Fianchettoed kingside: 2Fianchettoed queenside: 2Played on the kingside: 2Played on the queenside: 1
Space advantage: 7Isolated pawn: 5Active pieces: 5Avoided exchanges: 5Kept the bishop pair: 4Missed tactics: 4Sacrificed material: 4Initiated exchanges: 2Backward pawn: 1
Openings
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As White 3 games 2W 0D 1L
Queen's Indian Defense 1 game 1W 0D 0L
Kasparov-Petrosian Variation 1 game 1W 0D 0L
Marco Defense
1 game
1W
0D
0L
Bogo-Indian Defense 1 game 1W 0D 0L
Nimzowitsch Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Gambit Declined 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
Reshevsky Variation
1 game
0W
0D
1L
As Black 4 games 1W 1D 2L
Ruy Lopez 1 game 1W 0D 0L
Cozio Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Four Knights Game 1 game 0W 1D 0L
Scotch Variation Accepted 1 game 0W 1D 0L
Main Line
1 game
0W
1D
0L
Queen's Gambit Declined 1 game 0W 0D 1L
Orthodox Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Vienna Gambit, with Max Lange Defense 1 game 0W 0D 1L
Cunningham Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 51
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 7 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.23 | Amsterdam Chess Open 2026 - Group C | 1.1 | 2026.10.23 Bosch, Alt (40120430) (1756) | 1 | 89.00% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 | |
| 2026.10.22 | Amsterdam Chess Open 2026 - Group C | 3.1 | 2026.10.22 Oruc, Ediz (40109704) (1781) | ½ | 89.60% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2026.10.22 | Amsterdam Chess Open 2026 - Group C | 2.1 | 2026.10.22 Sewart, Daniel (343411010) (1781) | 1 | 92.50% | 1. d4 b6 2. c4 Bb7 3. Nf3 e6 | |
| 2026.05.16 | Round 3: Geboers, Jimmy - Kok, Lennart | 3.2 | 2026.05.16 Geboers, Jimmy (262919) (1968) | 0 | 84.60% | 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 | |
| 2026.05.15 | Round 2: Kok, Lennart - Gassner, Yuri | 2.4 | 2026.05.15 Gassner, Yuri (1084496) (1962) | 1 | 82.70% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2024.05.12 | Round 4: Wallace, Mitchel - Kok, Lennart | 2024.05.12 Wallace, Mitchel (1024167) (1864) | 0 | 82.50% | 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 | ||
| 2024.05.12 | Round 1: Kok, Lennart - Geboers, Jimmy | 2024.05.12 Geboers, Jimmy (262919) (1926) | 0 | 76.10% | 1. d4 e6 2. c4 d5 3. Nc3 Nf6 |