Player profile
Calvin John Klaasen
Dossier
12 of 12 games analyzed.
Accuracy: 94.2%
Opened d4: 3/3
Same-side castling: 4Castled kingside: 4Did not castle: 2Castled queenside: 1
Played in the center: 2Fianchettoed kingside: 1Fianchettoed queenside: 1
Sacrificed material: 7Space advantage: 6Backward pawn: 5Isolated pawn: 4Kept the bishop pair: 4Active pieces: 4Initiated exchanges: 3Avoided exchanges: 1Missed tactics: 1Played gambits: 1
Openings
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As White 3 games 1W 2D 0L
Queen's Gambit Declined 2 games 1W 1D 0L
Exchange Variation 2 games 1W 1D 0L
Positional Variation
2 games
1W
1D
0L
Bogo-Indian Defense 1 game 0W 1D 0L
Nimzowitsch Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
As Black 4 games 1W 2D 0L
Caro-Kann Defense 2 games 0W 1D 0L
Advance Variation 1 game 0W 1D 0L
Van der Wiel Attack
1 game
0W
1D
0L
Panov Attack 1 game 0W 0D 0L
Modern Defense, Mieses Line
1 game
0W
0D
0L
Queen's Gambit Declined 1 game 0W 1D 0L
Janowski Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Sicilian Defense 1 game 1W 0D 0L
French Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 33
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 12 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2024.01.07 | Round 9: Watu Kobese - Calvin John Klaasen | 2024.01.07 Watu Kobese | ½ | 95.70% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | ||
| 2024.01.06 | Round 8: Calvin John Klaasen - Charlton Mnyasta | 2024.01.06 Charlton Mnyasta | 1 | 97.40% | 1. d4 Nf6 2. c4 e6 3. Nc3 d5 | ||
| 2024.01.06 | Round 7: Matfey Rogov - Calvin John Klaasen | 2024.01.06 Matfey Rogov | ½ | 96.10% | 1. d4 d5 2. c4 e6 3. Nc3 a6 | ||
| 2024.01.05 | Round 6: Calvin John Klaasen - Edward Potgieter | 2024.01.05 Edward Potgieter | ½ | 91.50% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | ||
| 2024.01.05 | Round 5: Reegan Palmer - Calvin John Klaasen | 2024.01.05 Reegan Palmer | 1 | 91.40% | 1. e4 c5 2. Nf3 e6 3. g3 Nc6 | ||
| 2024.01.04 | Round 4: Calvin John Klaasen - Tezihano Mnyasta | 2024.01.04 Tezihano Mnyasta | ½ | 92.40% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | ||
| 2024.01.03 | Round 1: Minenhle Junior Mncwabe - Calvin John Klaasen | 2024.01.03 Minenhle Junior Mncwabe | * | 95.20% | 1. e4 d5 2. exd5 Nf6 3. c4 c6 | ||
| 2023.06.11 | Round 5: Jan Karsten - Calvin John Klaasen | 2023.06.11 Jan Karsten | ½ | 91.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2023.06.11 | Round 4: Calvin John Klaasen - Matfey Rogov | 2023.06.11 Matfey Rogov | 1 | 85.70% | 1. d4 e6 2. e4 d5 3. Nc3 Bb4 | ||
| 2023.06.10 | Round 3: Jan Boder - Calvin John Klaasen | 2023.06.10 Jan Boder | ½ | 90.50% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.06.10 | Round 2: Calvin John Klaasen - Daniel Barrish | 2023.06.10 Daniel Barrish | * | 83.90% | 1. d4 Nf6 2. Nf3 d5 3. c4 e6 | ||
| 2023.06.09 | Round 1: Yovann Gatineau - Calvin John Klaasen | 2023.06.09 Yovann Gatineau | 0 | 88.40% | 1. d4 d5 2. Nf3 Nf6 3. g3 c6 |