Player profile
Jahn, Gustav
Dossier
37 of 40 games analyzed.
Accuracy: 88.5%
Opened e4: 15/19Opened d4: 3/19Opened Nf3: 1/19
Castled kingside: 30Same-side castling: 26Castled queenside: 4Did not castle: 3Opposite-side castling: 3
Played in the center: 15Played on the kingside: 13Fianchettoed kingside: 8Played on the queenside: 7Fianchettoed queenside: 6
Sacrificed material: 24Initiated exchanges: 23Kept the bishop pair: 22Backward pawn: 22Active pieces: 20Space advantage: 17Isolated pawn: 16Missed tactics: 15Avoided exchanges: 9Played gambits: 2
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 20 games 10W 2D 8L
Italian Game 6 games 1W 0D 5L
Classical Variation 6 games 1W 0D 5L
Giuoco Pianissimo
5 games
1W
0D
4L
Giuoco Pianissimo, with h6
1 game
0W
0D
1L
Sicilian Defense 5 games 3W 0D 2L
Najdorf Variation 1 game 0W 0D 1L
Petronić Attack
1 game
0W
0D
1L
Taimanov Variation 1 game 1W 0D 0L
Bastrikov Variation, English Attack
1 game
1W
0D
0L
Nyezhmetdinov-Rossolimo Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Accelerated Dragon 1 game 0W 0D 1L
Maróczy Bind
1 game
0W
0D
1L
Dragon Variation 1 game 1W 0D 0L
Yugoslav Attack
1 game
1W
0D
0L
Catalan Opening 3 games 2W 1D 0L
Closed 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 3 games 2W 0D 1L
Two Knights Attack 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Tartakower Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Ruy Lopez 2 games 1W 1D 0L
Closed 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Morphy Defense 1 game 1W 0D 0L
Møller Variation
1 game
1W
0D
0L
Zukertort Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 20 games 5W 7D 8L
Caro-Kann Defense 5 games 0W 1D 4L
Exchange Variation 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
Maróczy Variation 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
Advance Variation 1 game 0W 1D 0L
Botvinnik-Carls Defense
1 game
0W
1D
0L
French Defense 4 games 2W 1D 1L
Exchange Variation 3 games 2W 1D 0L
(unspecified)
3 games
2W
1D
0L
Steinitz Variation 1 game 0W 0D 1L
Boleslavsky Variation
1 game
0W
0D
1L
Sicilian Defense 3 games 1W 0D 2L
Prins Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Najdorf Variation 1 game 0W 0D 1L
Main Line
1 game
0W
0D
1L
Modern Variations 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Attack 1 game 0W 0D 1L
Symmetrical Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Réti Opening 1 game 0W 1D 0L
Anglo-Slav Variation 1 game 0W 1D 0L
Capablanca Variation
1 game
0W
1D
0L
Benoni Defense 1 game 0W 1D 0L
Benoni-Indian Defense 1 game 0W 1D 0L
Kingside Move Order
1 game
0W
1D
0L
Horwitz Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Catalan Opening 1 game 0W 1D 0L
Closed 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Slav Defense 1 game 0W 1D 0L
Modern Line 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Nimzo-Indian Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Berlin Variation
1 game
0W
1D
0L
Indian Defense 1 game 1W 0D 0L
Anti-Nimzo-Indian 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 175
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 40 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.05.30 | DEM U14 2026 | 9 | 2026.05.30 Li, Joshua (34623639) (1912) | 0 | 93.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.05.29 | DEM U14 2026 | 8 | 2026.05.29 Zander, Vincent (34653856) (1993) | ½ | 89.20% | 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ | |
| 2026.05.28 | DEM U14 2026 | 7 | 2026.05.28 Tuerkboylari, Bahadir (34699260) (1980) | 0 | 92.00% | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2026.05.27 | DEM U14 2026 | 6 | 2026.05.27 Fischermann, Simon (34620869) (1956) | ½ | 89.80% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.05.27 | DEM U14 2026 | 5 | 2026.05.27 Kelembet, Maksym (34684735) (1984) | ½ | 93.20% | 1. Nf3 d5 2. e3 Nf6 3. c4 c6 | |
| 2026.05.26 | DEM U14 2026 | 4 | 2026.05.26 Schulz, Robin (34641912) (1940) | 1 | 94.80% | 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 | |
| 2026.05.25 | DEM U14 2026 | 3 | 2026.05.25 Zhang, Yibo (16287657) (2053) | 0 | 50.90% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2026.05.24 | DEM U14 2026 | 2 | 2026.05.24 Prashanthakumar, Arnesh (34604073) (1696) | 1 | 92.60% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.05.24 | DEM U14 2026 | 1 | 2026.05.24 Bundan, Edward (34603042) (2143) | 0 | 87.50% | 1. e4 c6 2. d4 d5 3. f3 e6 | |
| 2025.12.30 | DVM U14 2025 | 7 | 2025.12.30 Zhao, Yunsheng (16299280) (1661) | 1 | 90.80% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.12.29 | DVM U14 2025 | 6 | 2025.12.29 Sitnik, Arthur (34608150) (1729) | 1 | 91.30% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2025.12.29 | DVM U14 2025 | 5 | 2025.12.29 Kaufmann, Ben (34687068) (1886) | 0 | 82.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.12.28 | DVM U14 2025 | 4 | 2025.12.28 Zhang, Onno (34643397) (2007) | 0 | 85.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.12.28 | DVM U14 2025 | 3 | 2025.12.28 Ensslen, Jakob (34640258) (1749) | 1 | 95.90% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | |
| 2025.12.27 | DVM U14 2025 | 2 | 2025.12.27 Kovalyov, Dima (34631631) (1790) | ½ | - | 1. d4 Nf6 2. Nf3 c5 3. d5 e6 | |
| 2025.12.27 | DVM U14 2025 | 1 | 2025.12.27 Meitzner, Johan Eduard (34623612) (1677) | 1 | - | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.06.14 | DEM U14 2025 | 9 | 2025.06.14 Schroeder, Hannes Artur (34608818) (1705) | 0 | 90.00% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.06.13 | DEM U14 2025 | 8 | 2025.06.13 Svanidze, Alexander (34623469) (1720) | 1 | 92.30% | 1. e4 c5 2. Nf3 d6 3. Bc4 g6 | |
| 2025.06.12 | DEM U14 2025 | 7 | 2025.06.12 Vakeel, Eshwar (34626514) (1720) | 1 | 94.60% | 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 | |
| 2025.06.11 | DEM U14 2025 | 6 | 2025.06.11 Kovalskyy, Alicia (34612130) (1924) | 0 | 89.00% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | |
| 2025.06.11 | DEM U14 2025 | 5 | 2025.06.11 Fritzsche, David (34608974) (1725) | 0 | 79.30% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2025.06.10 | DEM U14 2025 | 4 | 2025.06.10 Lee, Ho In (34623655) (1868) | ½ | - | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2025.06.09 | DEM U14 2025 | 3 | 2025.06.09 Stephanblome, Felix (34661026) (2022) | 0 | 82.80% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.06.08 | DEM U14 2025 | 2 | 2025.06.08 Meitzner, Johan Eduard (34623612) (1714) | 1 | 94.10% | 1. d4 e6 2. Nf3 c5 3. c3 Nf6 | |
| 2025.06.06 | DEM U14 2025 | 1 | 2025.06.06 Nemitz, Alfred (34601791) (2315) | 0 | 86.60% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2024.12.30 | DVM U12 2024 | 7 | 2024.12.30 Kraus, Linus (34629629) (1803) | ½ | 87.40% | 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 | |
| 2024.12.29 | DVM U12 2024 | 6 | 2024.12.29 Vu Hoang Bach (12436992) (1779) | 1 | 89.40% | 1. Nf3 Nf6 2. g3 e6 3. Bg2 b6 | |
| 2024.12.29 | DVM U12 2024 | 5 | 2024.12.29 Dilger, Ludwig (34647805) (1615) | 1 | 93.40% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2024.12.28 | DVM U12 2024 | 4 | 2024.12.28 Vartanian, Roman (34140107) (1853) | ½ | 95.20% | 1. Nf3 d5 2. d4 c6 3. c4 e6 | |
| 2024.12.28 | DVM U12 2024 | 3 | 2024.12.28 Tu, Audrey (34628568) (1734) | 0 | 89.90% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.12.27 | DVM U12 2024 | 2 | 2024.12.27 Kovalskyy, Alicia (34612130) (1758) | ½ | 85.10% | 1. e4 c6 2. d4 d5 3. e5 c5 | |
| 2024.12.27 | DVM U12 2024 | 1 | 2024.12.27 Sriram, Aumkar (33460477) (1610) | 1 | 99.80% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2024.05.25 | DEM U12 2024 | 9 | 2024.05.25 Vartanian, Roman (34140107) (1799) | 0 | 86.80% | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 | |
| 2024.05.24 | DEM U12 2024 | 8 | 2024.05.24 Meijers, Janis (34143289) (1790) | ½ | 87.00% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.05.23 | DEM U12 2024 | 7 | 2024.05.23 Schmidt, Jossip (34621148) (1601) | 1 | 92.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.05.22 | DEM U12 2024 | 6 | 2024.05.22 Moskalenko, Michael (34608877) (1578) | 1 | 75.50% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2024.05.22 | DEM U12 2024 | 5 | 2024.05.22 Wettstein, Levin (34635866) (1755) | 0 | 90.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.05.21 | DEM U12 2024 | 4 | 2024.05.21 Junge, Mattheo Gabriel (34605908) (1824) | 0 | 81.20% | 1. e4 c6 2. d4 d5 3. f3 dxe4 | |
| 2024.05.19 | DEM U12 2024 | 2 | 2024.05.19 Zhang, Yibo (16287657) (1990) | 0 | 86.10% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2024.05.19 | DEM U12 2024 | 1 | 2024.05.19 Prashanthakumar, Arnesh (34604073) (1635) | 1 | 96.10% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 |