Prepare against Gregor Haag
FM · DEU · World #1,613 classical · FIDE ID 24680931
When preparing against Gregor Haag, expect 1.d4 in 68% of White games. Against 1.e4 the reply is 1...c5 (66% of games); against 1.d4, 1...d5 (72%). Lowest win rate among frequent openings: Indian Defense as White, 40.0% over 15 games.
Our database contains 287 games by Gregor Haag, covering Jul 2009 to Sep 2026. Below you'll find Gregor Haag's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Gregor Haag 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 | 2,405 | 2,417 | Jan 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 287 | 123 | 87 | 77 | 42.9% |
| As White | 138 | 66 | 40 | 32 | 47.8% |
| As Black | 149 | 57 | 47 | 45 | 38.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Gregor Haag's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Gregor Haag's side.
First moves as White (138 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 94 | 68.1% | 62.8% |
| Nf3 | 44 | 31.9% | 60.2% |
Main lines as White
- 1.d4 — 68% of White games, 62.8% score
- …Nf6 (55% of these games) — Haag usually continues c4 (64.1% score)
- …d5 (34% of these games) — Haag usually continues c4 (57.8% score)
- …d6 (4% of these games) — Haag usually continues c4 (83.3% score)
- 1.Nf3 — 32% of White games, 60.2% score
- …Nf6 (36% of these games) — Haag usually continues d4 (53.6% score)
- …d5 (30% of these games) — Haag usually continues c4 (73.1% score)
- …Nc6 (11% of these games) — Haag usually continues d4 (83.3% score)
As Black against 1.e4 (62 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 41 | 66.1% | 62.2% |
| e5 | 20 | 32.3% | 40.0% |
| Nf6 | 1 | 1.6% | 100.0% |
As Black against 1.d4 (50 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 36 | 72.0% | 43.1% |
| Nf6 | 14 | 28.0% | 82.1% |
Gregor Haag's chess games
All 287 games by Gregor Haag in the Chess.ceo database (Jul 2009 - 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: 123 wins, 87 draws, 77 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D17 | Slav Defense | 28 | 14/8/6 | 50.0% |
| D37 | Indian Defense | 15 | 6/5/4 | 40.0% |
| A58 | Benoni Defense | 11 | 8/3/0 | 72.7% |
| E15 | Queen's Indian Defense | 10 | 5/2/3 | 50.0% |
| E92 | King's Indian Defense: Orthodox Variation | 9 | 3/3/3 | 33.3% |
| E11 | Bogo-Indian Defense | 7 | 3/3/1 | 42.9% |
| A09 | Réti Opening | 7 | 3/3/1 | 42.9% |
| D38 | Queen's Gambit Declined: Ragozin Defense | 6 | 1/4/1 | 16.7% |
| A40 | Queen's Pawn Game | 6 | 5/1/0 | 83.3% |
| A09 | English Opening | 4 | 2/1/1 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 23 | 12/6/5 | 52.2% |
| C42 | Petrov's Defense | 15 | 6/3/6 | 40.0% |
| D26 | Queen's Gambit Accepted | 13 | 2/5/6 | 15.4% |
| D00 | Indian Defense | 10 | 4/5/1 | 40.0% |
| E04 | Réti Opening | 10 | 4/2/4 | 40.0% |
| B48 | Sicilian: Taimanov | 9 | 2/4/3 | 22.2% |
| D02 | London System | 9 | 4/4/1 | 44.4% |
| D85 | Grünfeld Defense | 8 | 5/2/1 | 62.5% |
| A36 | English Opening: Symmetrical | 7 | 4/0/3 | 57.1% |
| A13 | English Opening | 5 | 2/0/3 | 40.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2024 | Ulvi Sadikhov | 2,490 | 39th ECC Open | A05 |
| Nov 2019 | Dorian Rogozenco | 2,484 | 35th EU-Cup | D94 |
| Jul 2017 | Branko Filipovic | 2,423 | ch-SUI 117th | D02 |
| Dec 2021 | Gilles Miralles | 2,418 | chT-SUI | A36 |
| Aug 2017 | Orelvis Perez Mitjans | 2,399 | 19th Barcelona Sants Open | B47 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-SUI | 2024 | 47 | 31 | 2,343 |
| Basel Open | 2017 | 9 | 4.5 | 2,204 |
| Oberliga Baden 1819 | 2019 | 9 | 5.5 | 2,403 |
| chT-SUI 2025 | 2025 | 9 | 7 | 2,409 |
| ch-Baden Open | 2009 | 9 | 4 | 2,051 |
| BL2-Sued 1516 | 2016 | 9 | 2.5 | 2,193 |
| Verbandsliga Sued Baden 1314 | 2014 | 9 | 8.5 | 2,466 |
| Oberliga Baden 2122 | 2022 | 8 | 4.5 | 2,418 |
Interactive opening tree from all 287 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Gregor Haag's chess games?
287 games by Gregor Haag, from Jul 2009 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 Gregor Haag has played.
What does Gregor Haag play on the first move as White?
Across 138 games with White in our database, Gregor Haag opens with 1.d4 (68% of games), 1.Nf3 (32% of games). Against 1.e4 as Black, Gregor Haag answers 1...c5 (66% of games), 1...e5 (32% of games), 1...Nf6 (2% of games). Against 1.d4: 1...d5 (72% of games), 1...Nf6 (28% of games).
What openings does Gregor Haag play as White?
As White, Gregor Haag's most-played openings in our database are: Slav Defense (28 games, 50.0% win rate); Indian Defense (15 games, 40.0% win rate); Benoni Defense (11 games, 72.7% win rate). The full breakdown of 138 games with White is in the table above.
What openings does Gregor Haag play as Black?
As Black, Gregor Haag most often plays: Sicilian (23 games, 52.2% win rate); Petrov's Defense (15 games, 40.0% win rate); Queen's Gambit Accepted (13 games, 15.4% win rate). See the table above for the top ten Black openings across 149 games.
What is Gregor Haag's FIDE rating?
Gregor Haag is currently rated 2,405 in classical chess. Peak classical rating: 2,417 (Jan 2026).
How many games has Gregor Haag played?
Our database contains 287 games by Gregor Haag, covering Jul 2009 to Sep 2026. Overall record: 123 wins, 87 draws, 77 losses (42.9% win rate).
How do I prepare against Gregor Haag?
287 games by Gregor Haag 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.