Player profile
Schaffner, David
Dossier
9 of 11 games analyzed.
Accuracy: 82.9%
Opened e4: 4/4
Castled kingside: 7Same-side castling: 7Castled queenside: 2Opposite-side castling: 1
Fianchettoed kingside: 6Played on the kingside: 3Played in the center: 2Played on the queenside: 1Fianchettoed queenside: 1
Backward pawn: 7Missed tactics: 7Active pieces: 7Initiated exchanges: 6Kept the bishop pair: 5Sacrificed material: 4Isolated pawn: 4Space advantage: 3Played gambits: 2Avoided exchanges: 2
Openings
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As White 5 games 1W 2D 2L
Sicilian Defense 3 games 0W 1D 2L
Najdorf Variation 2 games 0W 1D 1L
Poisoned Pawn Accepted
1 game
0W
1D
0L
(unspecified)
1 game
0W
0D
1L
Kan Variation 1 game 0W 0D 1L
Knight Variation
1 game
0W
0D
1L
Scandinavian Defense 1 game 0W 1D 0L
Gubinsky-Melts Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
French Defense 1 game 1W 0D 0L
Paulsen Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 6 games 0W 3D 3L
Grünfeld Defense 3 games 0W 2D 1L
Exchange Variation 2 games 0W 1D 1L
Modern Exchange Variation
1 game
0W
0D
1L
(unspecified)
1 game
0W
1D
0L
Three Knights Variation 1 game 0W 1D 0L
Vienna Variation
1 game
0W
1D
0L
English Opening 2 games 0W 0D 2L
Symmetrical Variation 2 games 0W 0D 2L
Mecking Variation
1 game
0W
0D
1L
Four Knights Variation
1 game
0W
0D
1L
Sicilian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Blunders Top 4 of 64
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 |
|---|---|---|---|---|---|---|---|
| 2026.05.14 | Round 1: Gemelli,Romain - Schaffner, David | 1.9 | 2026.05.14 Gemelli,Romain (1336401) (2249) | 0 | 60.20% | 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2025.07.24 | Biel Chess Festival 2025 MTO | 10.46 | 2025.07.24 Madsen, Jens Ingemann (1434993) (1935) | ½ | 84.30% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 | |
| 2025.07.23 | Biel Chess Festival 2025 MTO | 9.48 | 2025.07.23 Oestmann, Lukas (1326457) (2007) | ½ | - | 1. e4 c5 | |
| 2025.07.22 | Biel Chess Festival 2025 MTO | 8.52 | 2025.07.22 Hank, Holger (4648242) (1947) | 1 | 85.60% | 1. e4 e6 2. d4 d5 3. Nc3 h6 | |
| 2025.07.21 | Biel Chess Festival 2025 MTO | 7.45 | 2025.07.21 Hornung, Hans, Dr. (4615140) (1905) | 0 | 86.40% | 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 | |
| 2025.07.19 | Biel Chess Festival 2025 MTO | 6.52 | 2025.07.19 Yu, Tianxiang Carlos (39922723) (1938) | ½ | 90.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.07.18 | Biel Chess Festival 2025 MTO | 5.45 | 2025.07.18 Monteverde, Jonathan (1314580) (2127) | 0 | 79.70% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2025.07.17 | Biel Chess Festival 2025 MTO | 4.38 | 2025.07.17 Maria, Lia-Alexandra (1248952) (2120) | 0 | 80.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.07.16 | Biel Chess Festival 2025 MTO | 3.39 | 2025.07.16 Harish, Neeraj (30958130) (2212) | ½ | 94.90% | 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 | |
| 2025.07.15 | Biel Chess Festival 2025 MTO | 2.40 | 2025.07.15 Panda, Barnabas (799556) (2123) | ½ | 84.00% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2025.07.14 | Biel Chess Festival 2025 MTO | 1.32 | 2025.07.14 Chen, Zhi (8619549) (2246) | 0 | - | 1. e4 c5 2. Nf3 e6 3. Nc3 a6 |