Prepare against Harm-Wulf Thelen
DEU · World #25,439 classical · FIDE ID 16281403
When preparing against Harm-Wulf Thelen, expect 1.c4 in 46% of White games. Against 1.e4 the reply is 1...e6 (100% of games); against 1.d4, 1...Nf6 (90%).
Our database contains 79 games by Harm-Wulf Thelen, covering Feb 2020 to Oct 2026. Below you'll find Harm-Wulf Thelen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Harm-Wulf Thelen 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 | 2,016 | 2,074 | Nov 2022 |
| Rapid | 1,950 | 2,027 | Nov 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 79 | 38 | 29 | 12 | 48.1% |
| As White | 35 | 18 | 12 | 5 | 51.4% |
| As Black | 44 | 20 | 17 | 7 | 45.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Harm-Wulf Thelen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Harm-Wulf Thelen's side.
First moves as White (35 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 16 | 45.7% | 62.5% |
| Nf3 | 11 | 31.4% | 77.3% |
| g3 | 8 | 22.9% | 68.8% |
Main lines as White
- 1.c4 — 46% of White games, 62.5% score
- …e5 (38% of these games) — Thelen usually continues g3 (25.0% score)
- …Nf6 (25% of these games) — Thelen usually continues Nc3 (75.0% score)
- …e6 (13% of these games) — Thelen usually continues Nc3 (100.0% score)
- 1.Nf3 — 31% of White games, 77.3% score
- …d5 (45% of these games) — Thelen usually continues g3 (60.0% score)
- …Nf6 (27% of these games) — Thelen usually continues g3 (83.3% score)
- …f5 (9% of these games) — Thelen usually continues d4 (100.0% score)
As Black against 1.e4 (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 16 | 100.0% | 65.6% |
As Black against 1.d4 (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 19 | 90.5% | 73.7% |
| f5 | 1 | 4.8% | 50.0% |
| g6 | 1 | 4.8% | 50.0% |
Harm-Wulf Thelen's chess games
All 79 games by Harm-Wulf Thelen in the Chess.ceo database (Feb 2020 - Oct 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: 38 wins, 29 draws, 12 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A34 | English Opening | 7 | 4/2/1 | 57.1% |
| A07 | Réti Opening | 7 | 5/0/2 | 71.4% |
| E72 | Hungarian Opening | 7 | 3/4/0 | 42.9% |
| A25 | English Opening: Reverse Sicilian | 6 | 2/2/2 | 33.3% |
| A34 | English Opening: Symmetrical | 2 | 1/1/0 | 50.0% |
| A87 | Dutch Defense | 1 | 1/0/0 | 100.0% |
| E62 | Réti Opening: Symmetrical Defense | 1 | 0/1/0 | 0.0% |
| A22 | English Opening: Slav Setup | 1 | 0/1/0 | 0.0% |
| A08 | King's Indian Attack | 1 | 1/0/0 | 100.0% |
| E72 | King's Indian Defense | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C01 | French: Exchange Variation | 6 | 5/1/0 | 83.3% |
| C18 | French: Winawer Variation | 5 | 1/1/3 | 20.0% |
| D02 | Indian Defense | 4 | 1/2/1 | 25.0% |
| E61 | King's Indian Defense | 4 | 2/2/0 | 50.0% |
| E94 | King's Indian Defense: Orthodox Variation | 4 | 2/2/0 | 50.0% |
| A26 | English Opening | 3 | 1/1/1 | 33.3% |
| A45 | Trompowsky Attack | 2 | 1/1/0 | 50.0% |
| C01 | French Defense | 2 | 2/0/0 | 100.0% |
| A08 | King's Indian Attack | 2 | 0/1/1 | 0.0% |
| E87 | King's Indian: Sämisch | 2 | 0/1/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2016 | Roberto La Rocca | 1,997 | Mittelrhein Verbandsliga-M 15/16 | A34 |
| Sep 1996 | Alexander Ljuboschiz | 1,992 | ch-Bergisch Gladbach | A26 |
| Sep 2004 | Gregor Raupach | 1,959 | 26th ch-Bergisch Gladbach | A07 |
| Sep 2000 | Joachim Raabe | 1,902 | 22nd ch-Bergisch Gladbach | A26 |
| Dec 2016 | Udo Hendrichs | 1,889 | Mittelrhein Verbandsliga 16/17 | A90 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-Bergisch Gladbach | 2005 | 13 | 10 | 2,041 |
| Mittelrhein Verbandsliga-M 15/16 | 2016 | 11 | 5 | 1,919 |
| Mittelrhein Verbandsliga-N 18/19 | 2019 | 10 | 8 | 1,910 |
| Mittelrhein Verbandsliga 16/17 | 2017 | 10 | 5 | 1,852 |
| Mittelrhein Verbandsliga-N 17/18 | 2018 | 10 | 7.5 | 2,009 |
| 22nd ch-Bergisch Gladbach | 2000 | 7 | 4.5 | 2,001 |
| ch-Bergisch Gladbach Open | 2001 | 6 | 3.5 | 1,909 |
| 26th ch-Bergisch Gladbach | 2004 | 6 | 4 | 1,962 |
Interactive opening tree from all 79 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Harm-Wulf Thelen's chess games?
79 games by Harm-Wulf Thelen, from Feb 2020 to Oct 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 Harm-Wulf Thelen has played.
What does Harm-Wulf Thelen play on the first move as White?
Across 35 games with White in our database, Harm-Wulf Thelen opens with 1.c4 (46% of games), 1.Nf3 (31% of games), 1.g3 (23% of games). Against 1.e4 as Black, Harm-Wulf Thelen answers 1...e6 (100% of games). Against 1.d4: 1...Nf6 (90% of games), 1...f5 (5% of games), 1...g6 (5% of games).
What openings does Harm-Wulf Thelen play as White?
As White, Harm-Wulf Thelen's most-played openings in our database are: English Opening (7 games, 57.1% win rate); Réti Opening (7 games, 71.4% win rate); Hungarian Opening (7 games, 42.9% win rate). The full breakdown of 35 games with White is in the table above.
What openings does Harm-Wulf Thelen play as Black?
As Black, Harm-Wulf Thelen most often plays: French: Exchange Variation (6 games, 83.3% win rate); French: Winawer Variation (5 games, 20.0% win rate); Indian Defense (4 games, 25.0% win rate). See the table above for the top ten Black openings across 44 games.
What is Harm-Wulf Thelen's FIDE rating?
Harm-Wulf Thelen is currently rated 2,016 in classical chess, 1,950 in rapid. Peak classical rating: 2,074 (Nov 2022).
How many games has Harm-Wulf Thelen played?
Our database contains 79 games by Harm-Wulf Thelen, covering Feb 2020 to Oct 2026. Overall record: 38 wins, 29 draws, 12 losses (48.1% win rate).
How do I prepare against Harm-Wulf Thelen?
79 games by Harm-Wulf Thelen 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.