Prepare against Ronald Koehler
DEU · World #9,943 classical · FIDE ID 4623673
When preparing against Ronald Koehler, expect 1.d4 in 99% of White games. Against 1.e4 the reply is 1...c5 (99% of games); against 1.d4, 1...Nf6 (98%). Lowest win rate among frequent openings: Sicilian: Sveshnikov as Black, 23.3% over 30 games.
Our database contains 317 games by Ronald Koehler, covering Apr 2003 to Sep 2026. Below you'll find Ronald Koehler's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ronald Koehler 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 | 2,171 | 2,289 | Mar 2011 |
| Rapid | 2,048 | 2,077 | Jun 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 317 | 94 | 127 | 96 | 29.7% |
| As White | 167 | 57 | 64 | 46 | 34.1% |
| As Black | 150 | 37 | 63 | 50 | 24.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ronald Koehler's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ronald Koehler's side.
First moves as White (167 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 165 | 98.8% | 53.3% |
| e4 | 2 | 1.2% | 50.0% |
Main lines as White
- 1.d4 — 99% of White games, 53.3% score
- …Nf6 (59% of these games) — Koehler usually continues c4 (53.6% score)
- …d5 (20% of these games) — Koehler usually continues c4 (42.9% score)
- …f5 (6% of these games) — Koehler usually continues Nf3 (61.1% score)
- 1.e4 — 1% of White games, 50.0% score
- …c5 (50% of these games) — Koehler usually continues Nf3 (50.0% score)
- …c6 (50% of these games) — Koehler usually continues Nc3 (50.0% score)
As Black against 1.e4 (68 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 67 | 98.5% | 45.5% |
| e6 | 1 | 1.5% | 50.0% |
As Black against 1.d4 (49 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 48 | 98.0% | 49.0% |
| d5 | 1 | 2.0% | 50.0% |
Ronald Koehler's chess games
All 317 games by Ronald Koehler in the Chess.ceo database (Apr 2003 - 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: 94 wins, 127 draws, 96 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A58 | Benoni Defense | 27 | 12/5/10 | 44.4% |
| A68 | King's Indian Defense: Four Pawns Attack | 22 | 9/8/5 | 40.9% |
| A55 | Indian Defense | 21 | 7/9/5 | 33.3% |
| D15 | Slav Defense | 14 | 7/5/2 | 50.0% |
| D97 | Grünfeld Defense | 10 | 4/5/1 | 40.0% |
| A87 | Dutch Defense | 10 | 5/3/2 | 50.0% |
| A42 | Modern Defense | 9 | 2/4/3 | 22.2% |
| A21 | Queen's Pawn Game | 8 | 2/4/2 | 25.0% |
| E12 | Queen's Indian Defense | 8 | 2/3/3 | 25.0% |
| D43 | Semi-Slav Defense | 6 | 3/1/2 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B33 | Sicilian: Sveshnikov | 30 | 7/14/9 | 23.3% |
| A61 | Benoni Defense | 18 | 10/4/4 | 55.6% |
| A34 | English Opening: Symmetrical | 13 | 0/9/4 | 0.0% |
| B31 | Sicilian: Rossolimo | 12 | 3/4/5 | 25.0% |
| A46 | Indian Defense | 12 | 3/6/3 | 25.0% |
| A33 | English Opening | 10 | 3/4/3 | 30.0% |
| B25 | Sicilian | 8 | 2/3/3 | 25.0% |
| B23 | Sicilian: Closed | 7 | 3/3/1 | 42.9% |
| A64 | Catalan | 6 | 0/3/3 | 0.0% |
| B22 | Sicilian: Alapin | 6 | 2/2/2 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1994 | Alexandar G Panchenko | 2,510 | Biel MTO Open | A77 |
| Dec 2017 | Andreas Mandel | 2,395 | BL2-Sued 1718 | E76 |
| Feb 2016 | Christian Richter | 2,366 | Bundesliga 2015-16 | E76 |
| Jan 1997 | Matthias-Michael Mueller | 2,360 | Hassloch Open A | A68 |
| Mar 2001 | Manfred Schoeneberg | 2,335 | BL2-Ost 0001 | A55 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Hessen qual | 1992 | 22 | 13 | 2,287 |
| Wiesbaden Open | 1992 | 13 | 5.5 | 2,228 |
| ch-Hessen qual D | 1989 | 11 | 4.5 | 2,189 |
| Oberliga Ost B 9798 | 1998 | 10 | 8 | 2,447 |
| Oberliga Ost-B 9900 | 2000 | 9 | 6 | 2,340 |
| 18th Wiesbaden Open | 1999 | 9 | 6 | 2,309 |
| 19th Wiesbaden Open | 2000 | 9 | 6 | 2,310 |
| Oberliga Ost-B 0809 | 2009 | 9 | 7 | 2,395 |
Interactive opening tree from all 317 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ronald Koehler's chess games?
317 games by Ronald Koehler, from Apr 2003 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 Ronald Koehler has played.
What does Ronald Koehler play on the first move as White?
Across 167 games with White in our database, Ronald Koehler opens with 1.d4 (99% of games), 1.e4 (1% of games). Against 1.e4 as Black, Ronald Koehler answers 1...c5 (99% of games), 1...e6 (1% of games). Against 1.d4: 1...Nf6 (98% of games), 1...d5 (2% of games).
What openings does Ronald Koehler play as White?
As White, Ronald Koehler's most-played openings in our database are: Benoni Defense (27 games, 44.4% win rate); King's Indian Defense: Four Pawns Attack (22 games, 40.9% win rate); Indian Defense (21 games, 33.3% win rate). The full breakdown of 167 games with White is in the table above.
What openings does Ronald Koehler play as Black?
As Black, Ronald Koehler most often plays: Sicilian: Sveshnikov (30 games, 23.3% win rate); Benoni Defense (18 games, 55.6% win rate); English Opening: Symmetrical (13 games, 0.0% win rate). See the table above for the top ten Black openings across 150 games.
What is Ronald Koehler's FIDE rating?
Ronald Koehler is currently rated 2,171 in classical chess, 2,048 in rapid. Peak classical rating: 2,289 (Mar 2011).
How many games has Ronald Koehler played?
Our database contains 317 games by Ronald Koehler, covering Apr 2003 to Sep 2026. Overall record: 94 wins, 127 draws, 96 losses (29.7% win rate).
How do I prepare against Ronald Koehler?
317 games by Ronald Koehler 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.