Prepare against Jonas Hammann
DEU · World #23,019 classical · FIDE ID 12930601
Our database contains 50 games by Jonas Hammann, covering Feb 2013 to Jul 2026. Below you'll find Jonas Hammann's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jonas Hammann 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 | 2,033 | 2,047 | Feb 2026 |
| Blitz | 2,067 | 2,067 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 50 | 19 | 13 | 18 | 38.0% |
| As White | 24 | 14 | 4 | 6 | 58.3% |
| As Black | 26 | 5 | 9 | 12 | 19.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jonas Hammann's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jonas Hammann's side.
First moves as White (24 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 20 | 83.3% | 65.0% |
| Nc3 | 2 | 8.3% | 50.0% |
| Nf3 | 1 | 4.2% | 100.0% |
| e4 | 1 | 4.2% | 100.0% |
Main lines as White
- 1.d4 — 83% of White games, 65.0% score
- …Nf6 (75% of these games) — Hammann usually continues c4 (53.6% score)
- …d5 (20% of these games) — Hammann usually continues c4 (100.0% score)
- …e6 (5% of these games) — Hammann usually continues c4 (100.0% score)
- 1.Nc3 — 8% of White games, 50.0% score
- …d5 (50% of these games) — Hammann usually continues e4 (0.0% score)
- …c5 (50% of these games) — Hammann usually continues d4 (100.0% score)
As Black against 1.e4 (12 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 7 | 58.3% | 28.6% |
| e6 | 5 | 41.7% | 50.0% |
As Black against 1.d4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 9 | 100.0% | 27.8% |
Jonas Hammann's chess games
All 50 games by Jonas Hammann in the Chess.ceo database (Feb 2013 - Jul 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: 19 wins, 13 draws, 18 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A57 | Benoni Defense | 4 | 2/1/1 | 50.0% |
| E61 | King's Indian Defense | 2 | 0/1/1 | 0.0% |
| E73 | King's Indian Defense: Averbakh System | 2 | 2/0/0 | 100.0% |
| D04 | Colle System | 2 | 2/0/0 | 100.0% |
| E13 | Queen's Indian Defense | 2 | 1/0/1 | 50.0% |
| A00 | Dunst Opening | 2 | 1/0/1 | 50.0% |
| D35 | Queen's Gambit Declined | 2 | 2/0/0 | 100.0% |
| D31 | Semi-Slav Defense | 1 | 1/0/0 | 100.0% |
| D16 | Slav Defense | 1 | 1/0/0 | 100.0% |
| A52 | Budapest Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 4 | 0/2/2 | 0.0% |
| D34 | Queen's Gambit Declined | 4 | 0/3/1 | 0.0% |
| C42 | Queen's Pawn Game | 2 | 0/0/2 | 0.0% |
| B31 | Sicilian: Rossolimo | 2 | 0/1/1 | 0.0% |
| C02 | French: Advance Variation | 1 | 0/0/1 | 0.0% |
| C11 | French: Classical Variation | 1 | 0/0/1 | 0.0% |
| C11 | French Defense | 1 | 1/0/0 | 100.0% |
| C01 | French: Exchange Variation | 1 | 0/1/0 | 0.0% |
| C08 | French: Tarrasch Variation | 1 | 1/0/0 | 100.0% |
| D32 | Indian Defense | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2015 | Stefan Liebig | 2,153 | Oberliga Nord W 1516 | E35 |
| Mar 2016 | Reinhold Happe | 2,147 | Oberliga Nord W 1516 | D31 |
| Jan 2016 | Klaus Rust-Lux | 2,104 | Oberliga Nord W 1516 | D18 |
| Aug 2015 | Pieter Sturm | 2,077 | 19th Vlissingen HZ Open | B02 |
| Sep 2013 | Lars Hinrichs | 2,068 | chT-GER North U16 | A00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-GER U16 | 2014 | 19 | 10.5 | 1,881 |
| chT-GER North U16 | 2013 | 10 | 4.5 | 1,734 |
| ch-Niedersachsen U16 | 2014 | 9 | 5.5 | 1,866 |
| 19th Vlissingen HZ Open | 2015 | 6 | 2 | 2,041 |
| Oberliga Nord W 1516 | 2016 | 3 | 3 | 2,534 |
| 18th Vlissingen HZ Open | 2014 | 2 | 0 | 1,821 |
| 24th Basel Open | 2022 | 1 | 0 | 2,005 |
Interactive opening tree from all 50 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jonas Hammann's chess games?
50 games by Jonas Hammann, from Feb 2013 to Jul 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 Jonas Hammann has played.
What does Jonas Hammann play on the first move as White?
Across 24 games with White in our database, Jonas Hammann opens with 1.d4 (83% of games), 1.Nc3 (8% of games), 1.Nf3 (4% of games). Against 1.e4 as Black, Jonas Hammann answers 1...c5 (58% of games), 1...e6 (42% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Jonas Hammann play as White?
As White, Jonas Hammann's most-played openings in our database are: Benoni Defense (4 games, 50.0% win rate); King's Indian Defense (2 games, 0.0% win rate); King's Indian Defense: Averbakh System (2 games, 100.0% win rate). The full breakdown of 24 games with White is in the table above.
What openings does Jonas Hammann play as Black?
As Black, Jonas Hammann most often plays: Sicilian (4 games, 0.0% win rate); Queen's Gambit Declined (4 games, 0.0% win rate); Queen's Pawn Game (2 games, 0.0% win rate). See the table above for the top ten Black openings across 26 games.
What is Jonas Hammann's FIDE rating?
Jonas Hammann is currently rated 2,033 in classical chess and 2,067 in blitz. Peak classical rating: 2,047 (Feb 2026).
How many games has Jonas Hammann played?
Our database contains 50 games by Jonas Hammann, covering Feb 2013 to Jul 2026. Overall record: 19 wins, 13 draws, 18 losses (38.0% win rate).
How do I prepare against Jonas Hammann?
50 games by Jonas Hammann 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.