Prepare against Gerd-Peter Gruen
IM · DEU · World #6,402 classical · FIDE ID 4601068
Our database contains 429 games by Gerd-Peter Gruen, covering Apr 2003 to Jul 2026. Below you'll find Gerd-Peter Gruen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Gerd-Peter Gruen 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 | 2,237 | 2,379 | Apr 2006 |
| Blitz | 2,003 | 2,253 | Nov 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 429 | 153 | 134 | 142 | 35.7% |
| As White | 221 | 88 | 66 | 67 | 39.8% |
| As Black | 208 | 65 | 68 | 75 | 31.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Gerd-Peter Gruen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Gerd-Peter Gruen's side.
First moves as White (221 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 196 | 88.7% | 54.1% |
| e4 | 19 | 8.6% | 57.9% |
| Nf3 | 6 | 2.7% | 66.7% |
Main lines as White
- 1.d4 — 89% of White games, 54.1% score
- …Nf6 (63% of these games) — Gruen usually continues Nf3 (51.0% score)
- …d5 (19% of these games) — Gruen usually continues c4 (56.8% score)
- …d6 (5% of these games) — Gruen usually continues g3 (75.0% score)
- 1.e4 — 9% of White games, 57.9% score
- …c5 (58% of these games) — Gruen usually continues Nf3 (55.0% score)
- …g6 (11% of these games) — Gruen usually continues d4 (100.0% score)
- …e5 (11% of these games) — Gruen usually continues Nf3 (100.0% score)
As Black against 1.e4 (84 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 49 | 58.3% | 49.0% |
| Nf6 | 25 | 29.8% | 54.0% |
| c5 | 10 | 11.9% | 35.0% |
As Black against 1.d4 (69 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 69 | 100.0% | 44.2% |
Gerd-Peter Gruen's chess games
All 429 games by Gerd-Peter Gruen in the Chess.ceo database (Apr 2003 - 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: 153 wins, 134 draws, 142 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D77 | Indian Defense | 38 | 12/11/15 | 31.6% |
| E15 | Queen's Indian Defense | 24 | 9/9/6 | 37.5% |
| A43 | Benoni Defense | 20 | 7/5/8 | 35.0% |
| A62 | Catalan | 19 | 5/6/8 | 26.3% |
| E69 | King's Indian Defense: Fianchetto Variation | 19 | 8/4/7 | 42.1% |
| D13 | Slav Defense | 14 | 7/4/3 | 50.0% |
| E11 | Bogo-Indian Defense | 10 | 6/1/3 | 60.0% |
| B08 | Modern Defense | 9 | 7/0/2 | 77.8% |
| B66 | Sicilian | 8 | 2/3/3 | 25.0% |
| A40 | Queen's Pawn Game | 8 | 3/2/3 | 37.5% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B05 | Alekhine Defense | 25 | 9/9/7 | 36.0% |
| E12 | Queen's Indian Defense | 20 | 7/6/7 | 35.0% |
| A20 | English Opening: Reverse Sicilian | 19 | 7/5/7 | 36.8% |
| E11 | Bogo-Indian Defense | 17 | 8/5/4 | 47.1% |
| C65 | Ruy Lopez: Berlin Defense | 13 | 7/3/3 | 53.8% |
| A13 | English Opening | 12 | 3/2/7 | 25.0% |
| A46 | Indian Defense | 11 | 2/6/3 | 18.2% |
| C65 | Ruy Lopez | 9 | 3/3/3 | 33.3% |
| A07 | Réti Opening | 6 | 2/2/2 | 33.3% |
| E41 | Nimzo-Indian: Rubinstein System | 6 | 2/3/1 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1992 | Eduardas Rozentalis | 2,585 | Bundesliga 1991-92 | E18 |
| Dec 1982 | Wolfgang Unzicker | 2,510 | Bundesliga 1982-83 | B05 |
| Jan 1983 | Attila Groszpeter | 2,505 | 8th chT-EU Final | E14 |
| Jan 1991 | Lucas Brunner | 2,505 | Bundesliga 1991-92 | A07 |
| Jan 1985 | Eric Lobron | 2,505 | Bundesliga 1984-85 | A75 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-NRW | 1981 | 24 | 13 | 2,373 |
| Bundesliga 1986-87 | 1987 | 15 | 4 | 2,266 |
| Bundesliga 1982-83 | 1983 | 15 | 7.5 | 2,424 |
| Bundesliga 1984-85 | 1985 | 15 | 7 | 2,335 |
| Bundesliga 1985-86 | 1986 | 15 | 6 | 2,250 |
| chT-Nordic | 1985 | 14 | 6.5 | 2,350 |
| Bundesliga 1983-84 | 1984 | 14 | 9 | 2,436 |
| Bundesliga 1988-89 | 1989 | 13 | 6.5 | 2,345 |
Interactive opening tree from all 429 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Gerd-Peter Gruen's chess games?
429 games by Gerd-Peter Gruen, from Apr 2003 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 Gerd-Peter Gruen has played.
What does Gerd-Peter Gruen play on the first move as White?
Across 221 games with White in our database, Gerd-Peter Gruen opens with 1.d4 (89% of games), 1.e4 (9% of games), 1.Nf3 (3% of games). Against 1.e4 as Black, Gerd-Peter Gruen answers 1...e5 (58% of games), 1...Nf6 (30% of games), 1...c5 (12% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Gerd-Peter Gruen play as White?
As White, Gerd-Peter Gruen's most-played openings in our database are: Indian Defense (38 games, 31.6% win rate); Queen's Indian Defense (24 games, 37.5% win rate); Benoni Defense (20 games, 35.0% win rate). The full breakdown of 221 games with White is in the table above.
What openings does Gerd-Peter Gruen play as Black?
As Black, Gerd-Peter Gruen most often plays: Alekhine Defense (25 games, 36.0% win rate); Queen's Indian Defense (20 games, 35.0% win rate); English Opening: Reverse Sicilian (19 games, 36.8% win rate). See the table above for the top ten Black openings across 208 games.
What is Gerd-Peter Gruen's FIDE rating?
Gerd-Peter Gruen is currently rated 2,237 in classical chess and 2,003 in blitz. Peak classical rating: 2,379 (Apr 2006).
How many games has Gerd-Peter Gruen played?
Our database contains 429 games by Gerd-Peter Gruen, covering Apr 2003 to Jul 2026. Overall record: 153 wins, 134 draws, 142 losses (35.7% win rate).
How do I prepare against Gerd-Peter Gruen?
429 games by Gerd-Peter Gruen 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.