Player profile
Zwirs, Jasper
Dossier
11 of 11 games analyzed.
Accuracy: 89.1%
Opened d4: 6/6
Same-side castling: 10Castled kingside: 8Castled queenside: 3Opposite-side castling: 1
Played in the center: 6Fianchettoed kingside: 4Played on the queenside: 3Played on the kingside: 1Fianchettoed queenside: 1
Active pieces: 8Isolated pawn: 7Backward pawn: 7Kept the bishop pair: 7Initiated exchanges: 5Missed tactics: 5Avoided exchanges: 5Sacrificed material: 2Space advantage: 2
Openings
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As White 6 games 3W 1D 2L
Rapport-Jobava System 4 games 1W 1D 2L
(unspecified) 4 games 1W 1D 2L
(unspecified)
4 games
1W
1D
2L
Dutch Defense 1 game 1W 0D 0L
Raphael Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Rapport-Jobava System, with e6 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 5 games 1W 1D 3L
Réti Opening 2 games 0W 1D 1L
Anglo-Slav Variation 2 games 0W 1D 1L
with g3
2 games
0W
1D
1L
Semi-Slav Defense 1 game 0W 0D 1L
Moscow Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's Indian Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Sicilian Defense 1 game 0W 0D 1L
Moscow Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 42
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 11 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2025.12.13 | Round 5: Zwirs, Jasper - Nieuwelink, Kees | 5.7 | 2025.12.13 Nieuwelink, Kees (1003216) (2100) | 1 | 94.70% | 1. d4 f5 2. Nc3 Nf6 3. Bf4 e6 | |
| 2024.08.10 | Round 1: Zwirs, Jasper - Romanov, Evgeny | 1.6 | 2024.08.10 Romanov, Evgeny (4148843) (2567) | 0 | 83.50% | 1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 | |
| 2024.08.01 | Round 9: Schuricht, Emil Frederick - Zwirs, Jasper | 9.13 | 2024.08.01 Schuricht, Emil Frederick (16270185) (1973) | 0 | 83.00% | 1. c4 c6 2. Nf3 d5 3. g3 Nf6 | |
| 2024.07.31 | Round 8: Zwirs, Jasper - Koster, Chiel | 8.15 | 2024.07.31 Koster, Chiel (1047990) (2058) | ½ | 85.50% | 1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 | |
| 2024.07.30 | Round 7: Van de Pavoordt, Max - Zwirs, Jasper | 7.13 | 2024.07.30 Van de Pavoordt, Max (1036645) (2044) | ½ | 97.70% | 1. c4 c6 2. Nf3 d5 3. g3 Nf6 | |
| 2024.07.29 | Round 6: Zwirs, Jasper - Grooten, Herman | 6.8 | 2024.07.29 Grooten, Herman (1000330) (2211) | 0 | 91.90% | 1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 | |
| 2024.07.27 | Round 5: Maatman, Nick - Zwirs, Jasper | 5.5 | 2024.07.27 Maatman, Nick (1040391) (2383) | 0 | 90.70% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2024.07.26 | Round 4: Zwirs, Jasper - Van Foreest, Machteld | 4.7 | 2024.07.26 Van Foreest, Machteld (1051563) (2272) | 1 | 96.60% | 1. d4 e6 2. Nc3 Nf6 3. Bf4 d5 | |
| 2024.07.25 | Round 3: Bakija, Alan - Zwirs, Jasper | 3.11 | 2024.07.25 Bakija, Alan (1068016) (2171) | 1 | 71.60% | 1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 | |
| 2024.07.24 | Round 2: Zwirs, Jasper - Evengroen, Jan | 2.20 | 2024.07.24 Evengroen, Jan (1024353) (2176) | 1 | 94.80% | 1. d4 d5 2. Nc3 e6 3. Bf4 Bd6 | |
| 2024.07.23 | Round 1: Slagboom, Leandro - Zwirs, Jasper | 1.9 | 2024.07.23 Slagboom, Leandro (1065882) (2331) | 0 | 90.60% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 |