Prepare against Peter Jahn
DEU · World #15,933 classical · FIDE ID 12989614
When preparing against Peter Jahn, expect 1.d4 in 75% of White games. Against 1.e4 the reply is 1...e6 (93% of games); against 1.d4, 1...e6 (63%).
Our database contains 72 games by Peter Jahn, covering Mar 2015 to Aug 2026. Below you'll find Peter Jahn's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Peter Jahn before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 2,096 | 2,126 | Jul 2025 |
| Blitz | 2,069 | 2,069 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 72 | 23 | 23 | 26 | 31.9% |
| As White | 40 | 15 | 11 | 14 | 37.5% |
| As Black | 32 | 8 | 12 | 12 | 25.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Peter Jahn's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Peter Jahn's side.
First moves as White (40 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 30 | 75.0% | 48.3% |
| Nf3 | 10 | 25.0% | 60.0% |
Main lines as White
- 1.d4 — 75% of White games, 48.3% score
- …Nf6 (37% of these games) — Jahn usually continues Nf3 (37.5% score)
- …d5 (27% of these games) — Jahn usually continues c4 (50.0% score)
- …g6 (13% of these games) — Jahn usually continues c4 (25.0% score)
- 1.Nf3 — 25% of White games, 60.0% score
- …Nf6 (40% of these games) — Jahn usually continues c4 (100.0% score)
- …d5 (30% of these games) — Jahn usually continues c4 (0.0% score)
- …Nc6 (20% of these games) — Jahn usually continues d4 (100.0% score)
As Black against 1.e4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 14 | 93.3% | 35.7% |
| c6 | 1 | 6.7% | 100.0% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 5 | 62.5% | 40.0% |
| Nf6 | 2 | 25.0% | 50.0% |
| d5 | 1 | 12.5% | 50.0% |
Peter Jahn's chess games
All 72 games by Peter Jahn in the Chess.ceo database (Mar 2015 - Aug 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 23 wins, 23 draws, 26 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | Queen's Pawn Game | 4 | 1/2/1 | 25.0% |
| E61 | Indian Defense | 4 | 1/2/1 | 25.0% |
| A09 | Réti Opening | 4 | 1/1/2 | 25.0% |
| A44 | Benoni Defense | 3 | 2/1/0 | 66.7% |
| D35 | Semi-Slav Defense | 3 | 1/0/2 | 33.3% |
| E06 | Catalan | 3 | 1/2/0 | 33.3% |
| D13 | Slav Defense | 2 | 1/1/0 | 50.0% |
| A15 | English Opening | 2 | 2/0/0 | 100.0% |
| E73 | King's Indian Defense: Averbakh System | 2 | 1/0/1 | 50.0% |
| A49 | King's Indian Defense: Fianchetto Variation | 2 | 0/1/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C06 | French: Tarrasch Variation | 5 | 1/2/2 | 20.0% |
| C15 | French: Winawer Variation | 4 | 0/2/2 | 0.0% |
| D35 | Indian Defense | 4 | 1/2/1 | 25.0% |
| C10 | French Defense | 2 | 1/1/0 | 50.0% |
| A21 | English Opening: Dutch Defense | 2 | 1/0/1 | 50.0% |
| A36 | English Opening | 2 | 0/0/2 | 0.0% |
| D02 | Horwitz Defense | 1 | 0/0/1 | 0.0% |
| C00 | King's Indian Attack | 1 | 0/0/1 | 0.0% |
| D02 | London System | 1 | 0/0/1 | 0.0% |
| D56 | Queen's Gambit Declined | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1994 | Marcus Moehrmann | 2,235 | Oberliga Nord N 9394 | E74 |
| Apr 2016 | Christian Lantzsch | 2,193 | Oberliga Sued W 1516 | D02 |
| Apr 2024 | Marcel Marentini | 2,102 | 12th Rottach Egern Seniors Cup | E04 |
| Mar 2017 | Marius Friedrich | 2,100 | Oberliga Sued W 1617 | C10 |
| Sep 2014 | Helge Rueckert | 2,079 | Oberliga Sued W 1415 | D34 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Oberliga Nord N 9394 | 1994 | 9 | 4 | 2,217 |
| Oberliga Sued W 1718 | 2018 | 8 | 3.5 | 2,024 |
| Heimbach Weis Open | 2002 | 8 | 5 | 1,987 |
| 12th Rottach Egern Seniors Cup | 2024 | 8 | 5 | 2,152 |
| Oberliga Sued W 1516 | 2016 | 8 | 4 | 2,111 |
| Oberliga Sued W 1617 | 2017 | 7 | 3.5 | 2,087 |
| Oberliga Sued W 1819 | 2019 | 6 | 3 | 2,023 |
| Oberliga Sued W 1415 | 2015 | 6 | 2 | 2,028 |
Interactive opening tree from all 72 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Peter Jahn's chess games?
72 games by Peter Jahn, from Mar 2015 to Aug 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Peter Jahn has played.
What does Peter Jahn play on the first move as White?
Across 40 games with White in our database, Peter Jahn opens with 1.d4 (75% of games), 1.Nf3 (25% of games). Against 1.e4 as Black, Peter Jahn answers 1...e6 (93% of games), 1...c6 (7% of games). Against 1.d4: 1...e6 (63% of games), 1...Nf6 (25% of games), 1...d5 (13% of games).
What openings does Peter Jahn play as White?
As White, Peter Jahn's most-played openings in our database are: Queen's Pawn Game (4 games, 25.0% win rate); Indian Defense (4 games, 25.0% win rate); Réti Opening (4 games, 25.0% win rate). The full breakdown of 40 games with White is in the table above.
What openings does Peter Jahn play as Black?
As Black, Peter Jahn most often plays: French: Tarrasch Variation (5 games, 20.0% win rate); French: Winawer Variation (4 games, 0.0% win rate); Indian Defense (4 games, 25.0% win rate). See the table above for the top ten Black openings across 32 games.
What is Peter Jahn's FIDE rating?
Peter Jahn is currently rated 2,096 in classical chess and 2,069 in blitz. Peak classical rating: 2,126 (Jul 2025).
How many games has Peter Jahn played?
Our database contains 72 games by Peter Jahn, covering Mar 2015 to Aug 2026. Overall record: 23 wins, 23 draws, 26 losses (31.9% win rate).
How do I prepare against Peter Jahn?
72 games by Peter Jahn reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.