Prepare against Jonas Hacker
IM · DEU · World #2,945 classical · FIDE ID 1270968
When preparing against Jonas Hacker, expect 1.e4 in 82% of White games. Against 1.e4 the reply is 1...c5 (64% of games); against 1.d4, 1...Nf6 (56%). Lowest win rate among frequent openings: Indian Defense as Black, 17.6% over 17 games.
Our database contains 765 games by Jonas Hacker, covering May 2010 to Sep 2026. Below you'll find Jonas Hacker's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jonas Hacker 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 | 2,341 | 2,471 | Jul 2022 |
| Rapid | 2,316 | 2,392 | Jul 2024 |
| Blitz | 2,245 | 2,361 | May 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 765 | 320 | 261 | 184 | 41.8% |
| As White | 393 | 178 | 138 | 77 | 45.3% |
| As Black | 372 | 142 | 123 | 107 | 38.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jonas Hacker's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jonas Hacker's side.
First moves as White (393 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 323 | 82.2% | 63.8% |
| d4 | 42 | 10.7% | 53.6% |
| c4 | 17 | 4.3% | 55.9% |
| Nf3 | 8 | 2.0% | 68.8% |
| f4 | 1 | 0.3% | 100.0% |
| b3 | 1 | 0.3% | 50.0% |
Main lines as White
- 1.e4 — 82% of White games, 63.8% score
- …c5 (43% of these games) — Hacker usually continues Nf3 (54.1% score)
- …e5 (21% of these games) — Hacker usually continues Nf3 (62.7% score)
- …e6 (13% of these games) — Hacker usually continues d4 (80.5% score)
- 1.d4 — 11% of White games, 53.6% score
- …Nf6 (57% of these games) — Hacker usually continues c4 (50.0% score)
- …d5 (38% of these games) — Hacker usually continues c4 (57.1% score)
- …f5 (5% of these games) — Hacker usually continues c4 (0.0% score)
As Black against 1.e4 (190 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 121 | 63.7% | 57.4% |
| e5 | 56 | 29.5% | 56.3% |
| c6 | 7 | 3.7% | 64.3% |
| d6 | 3 | 1.6% | 50.0% |
| Nf6 | 2 | 1.1% | 50.0% |
| e6 | 1 | 0.5% | 50.0% |
As Black against 1.d4 (116 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 65 | 56.0% | 47.7% |
| d5 | 50 | 43.1% | 59.0% |
| e6 | 1 | 0.9% | 50.0% |
Jonas Hacker's chess games
All 765 games by Jonas Hacker in the Chess.ceo database (May 2010 - Sep 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: 320 wins, 261 draws, 184 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B55 | Sicilian | 64 | 27/16/21 | 42.2% |
| C88 | Ruy Lopez: Closed | 18 | 9/4/5 | 50.0% |
| B12 | Caro-Kann: Advance Variation | 18 | 9/9/0 | 50.0% |
| B31 | Sicilian: Rossolimo | 17 | 9/5/3 | 52.9% |
| B94 | Sicilian: Najdorf | 13 | 5/3/5 | 38.5% |
| B19 | Caro-Kann: Classical | 12 | 9/2/1 | 75.0% |
| C11 | French: Classical Variation | 12 | 8/4/0 | 66.7% |
| D37 | Indian Defense | 12 | 6/5/1 | 50.0% |
| B51 | Sicilian: Moscow Variation | 11 | 0/8/3 | 0.0% |
| C54 | Italian Game: Classical Variation | 10 | 4/6/0 | 40.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 39 | 16/10/13 | 41.0% |
| D10 | Slav Defense | 22 | 7/9/6 | 31.8% |
| B48 | Sicilian: Taimanov | 21 | 6/12/3 | 28.6% |
| E04 | Catalan | 20 | 5/8/7 | 25.0% |
| C56 | Italian Game | 18 | 9/4/5 | 50.0% |
| D37 | Indian Defense | 17 | 3/9/5 | 17.6% |
| B76 | Sicilian: Dragon | 16 | 6/7/3 | 37.5% |
| B23 | Sicilian: Closed | 12 | 7/2/3 | 58.3% |
| A09 | Réti Opening | 12 | 6/4/2 | 50.0% |
| A13 | English Opening | 12 | 4/4/4 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2025 | Alexander Donchenko | 2,632 | Titled Tue Early | E00 |
| Aug 2023 | Daniel Fridman | 2,586 | 94th ch-GER | B07 |
| Sep 2014 | Vyacheslav Ikonnikov | 2,576 | Pyramiden Franken Cup | B28 |
| Jul 2016 | Krzysztof Jakubowski | 2,557 | 27th Pardubice Czech Open A | B81 |
| Sep 2014 | Aloyzas Kveinys | 2,536 | Pyramiden Franken Cup | B43 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2025 | 83 | 40 | 2,226 |
| Copenhagen CC GM | 2024 | 18 | 12.5 | 2,561 |
| Pyramiden Franken Cup | 2016 | 14 | 10 | 2,367 |
| Karlsruhe Grenke Open | 2024 | 11 | 7 | 2,376 |
| 2nd Bundesliga Sud 24-25 | 2025 | 11 | 4 | 2,322 |
| 2nd Bundesliga Sud 25-26 | 2026 | 10 | 4 | 2,272 |
| Eschborn Open | 2018 | 10 | 8.5 | 2,257 |
| Copenhagen Killer Chess Open | 2023 | 9 | 7 | 2,542 |
Interactive opening tree from all 765 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jonas Hacker's chess games?
765 games by Jonas Hacker, from May 2010 to Sep 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 Hacker has played.
What does Jonas Hacker play on the first move as White?
Across 393 games with White in our database, Jonas Hacker opens with 1.e4 (82% of games), 1.d4 (11% of games), 1.c4 (4% of games). Against 1.e4 as Black, Jonas Hacker answers 1...c5 (64% of games), 1...e5 (29% of games), 1...c6 (4% of games). Against 1.d4: 1...Nf6 (56% of games), 1...d5 (43% of games), 1...e6 (1% of games).
What openings does Jonas Hacker play as White?
As White, Jonas Hacker's most-played openings in our database are: Sicilian (64 games, 42.2% win rate); Ruy Lopez: Closed (18 games, 50.0% win rate); Caro-Kann: Advance Variation (18 games, 50.0% win rate). The full breakdown of 393 games with White is in the table above.
What openings does Jonas Hacker play as Black?
As Black, Jonas Hacker most often plays: Sicilian (39 games, 41.0% win rate); Slav Defense (22 games, 31.8% win rate); Sicilian: Taimanov (21 games, 28.6% win rate). See the table above for the top ten Black openings across 372 games.
What is Jonas Hacker's FIDE rating?
Jonas Hacker is currently rated 2,341 in classical chess, 2,316 in rapid and 2,245 in blitz. Peak classical rating: 2,471 (Jul 2022).
How many games has Jonas Hacker played?
Our database contains 765 games by Jonas Hacker, covering May 2010 to Sep 2026. Overall record: 320 wins, 261 draws, 184 losses (41.8% win rate).
How do I prepare against Jonas Hacker?
765 games by Jonas Hacker 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.