Prepare against Jonas Heemann
DEU · World #131,278 classical · FIDE ID 34686975
When preparing against Jonas Heemann, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...Nf6 (100% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 37 games by Jonas Heemann, covering Oct 2024 to Nov 2026. Below you'll find Jonas Heemann's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jonas Heemann 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 | 1,647 | 1,681 | Aug 2026 |
| Rapid | 1,627 | 1,633 | Aug 2026 |
| Blitz | 1,652 | 1,652 | Nov 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 37 | 10 | 4 | 23 | 27.0% |
| As White | 21 | 4 | 2 | 15 | 19.0% |
| As Black | 16 | 6 | 2 | 8 | 37.5% |
FIDE rated record
From FIDE's official rated-game ledger (2024-2026): 143 rated games against 136 different opponents, across 17 events in 1 countries. These counts cover FIDE-rated play only, so they differ from the database totals above.
By time control
| Format | Games | W | D | L | Win rate | Avg opp | Perf | Unbeaten |
|---|---|---|---|---|---|---|---|---|
| Classical | 53 | 18 | 8 | 27 | 34.0% | 1,796 | 1,607 | 5 |
| Rapid | 18 | 6 | 2 | 10 | 33.3% | 1,917 | 1,688 | 3 |
| Blitz | 54 | 15 | 7 | 32 | 27.8% | 1,838 | 1,682 | 4 |
Against the field
| Opposition | Games | W | D | L | Win rate |
|---|---|---|---|---|---|
| Against higher-rated | 71 | 13 | 12 | 46 | 18.3% |
| Against lower-rated | 10 | 6 | 2 | 2 | 60.0% |
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2026 | 54 | 18 | 6 | 30 | 1,831 | 1,710 |
| 2025 | 52 | 14 | 11 | 27 | 1,837 | 1,674 |
| 2024 | 37 | 11 | 6 | 20 | 1,783 | 1,559 |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jonas Heemann's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jonas Heemann's side.
First moves as White (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 21 | 100.0% | 23.8% |
Main lines as White
- 1.e4 — 100% of White games, 23.8% score
- …e5 (29% of these games) — Heemann usually continues Bc4 (25.0% score)
- …c6 (29% of these games) — Heemann usually continues d4 (41.7% score)
- …c5 (19% of these games) — Heemann usually continues Nf3 (0.0% score)
As Black against 1.e4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 9 | 100.0% | 38.9% |
As Black against 1.d4 (5 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 5 | 100.0% | 50.0% |
Jonas Heemann's chess games
All 37 games by Jonas Heemann in the Chess.ceo database (Oct 2024 - Nov 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: 10 wins, 4 draws, 23 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B12 | Caro-Kann: Advance Variation | 6 | 2/1/3 | 33.3% |
| C01 | French: Exchange Variation | 3 | 0/0/3 | 0.0% |
| C44 | Italian Game | 3 | 1/1/1 | 33.3% |
| B51 | Sicilian: Moscow Variation | 2 | 0/0/2 | 0.0% |
| B33 | Sicilian | 1 | 0/0/1 | 0.0% |
| B20 | Sicilian: Snyder Variation | 1 | 0/0/1 | 0.0% |
| B03 | Alekhine Defense | 1 | 0/0/1 | 0.0% |
| C26 | Vienna Game | 1 | 0/0/1 | 0.0% |
| C24 | Bishop's Opening | 1 | 0/0/1 | 0.0% |
| C42 | Bishop's Opening: Boden-Kieseritzky Gambit | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B02 | Alekhine Defense | 9 | 3/1/5 | 33.3% |
| D05 | Indian Defense | 1 | 0/0/1 | 0.0% |
| A45 | London System | 1 | 0/0/1 | 0.0% |
| E52 | Nimzo-Indian Defense | 1 | 1/0/0 | 100.0% |
| E12 | Queen's Indian Defense | 1 | 0/1/0 | 0.0% |
| A05 | Réti Opening | 1 | 0/0/1 | 0.0% |
| D01 | Richter-Veresov Attack | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2026 | Leif Stoehr | 1,772 | German University Chess Championship (Rapid & Blitz) 2026 | Rapid | Boards 1-100 | ? |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| German University Chess Championship 2025 | Rapid Board 101+ | 2025 | 8 | 3.5 | – |
| German University Chess Championship 2025 | Blitz (Boards 1-100) | 2025 | 6 | 1.5 | 1,948 |
| 22. Bad Königshofen 2025 | 2025 | 5 | 0.5 | 1,566 |
| chT-GER Christmas U16 Steinitz | 2020 | 5 | 1 | 1,201 |
| German University Chess Championship (Rapid & Blitz) 2026 | Rapid | Boards 1-100 | 2026 | 4 | 1 | 1,631 |
| German University Chess Championship (Rapid & Blitz) 2026 | Rapid | Boards 101+ | 2026 | 4 | 3.5 | – |
| German University Chess Championship 2025 | Blitz (Boards 101+) | 2025 | 3 | 1 | – |
| German University Chess Championship 2025 | Rapid Board 1-100 | 2025 | 1 | 0 | 1,740 |
Interactive opening tree from all 37 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jonas Heemann's chess games?
37 games by Jonas Heemann, from Oct 2024 to Nov 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 Heemann has played.
What does Jonas Heemann play on the first move as White?
Across 21 games with White in our database, Jonas Heemann opens with 1.e4 (100% of games). Against 1.e4 as Black, Jonas Heemann answers 1...Nf6 (100% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Jonas Heemann play as White?
As White, Jonas Heemann's most-played openings in our database are: Caro-Kann: Advance Variation (6 games, 33.3% win rate); French: Exchange Variation (3 games, 0.0% win rate); Italian Game (3 games, 33.3% win rate). The full breakdown of 21 games with White is in the table above.
What openings does Jonas Heemann play as Black?
As Black, Jonas Heemann most often plays: Alekhine Defense (9 games, 33.3% win rate); Indian Defense (1 games, 0.0% win rate); London System (1 games, 0.0% win rate). See the table above for the top ten Black openings across 16 games.
What is Jonas Heemann's FIDE rating?
Jonas Heemann is currently rated 1,647 in classical chess, 1,627 in rapid and 1,652 in blitz. Peak classical rating: 1,681 (Aug 2026).
How many games has Jonas Heemann played?
Our database contains 37 games by Jonas Heemann, covering Oct 2024 to Nov 2026. Overall record: 10 wins, 4 draws, 23 losses (27.0% win rate).
How do I prepare against Jonas Heemann?
37 games by Jonas Heemann 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.