Prepare against Harald Classen
DEU · World #89,442 classical · FIDE ID 16210395
Our database contains 37 games by Harald Classen, covering Mar 2016 to Jul 2026. Below you'll find Harald Classen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Harald Classen 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 | 1,970 | 1,974 | Apr 2024 |
| Blitz | 1,954 | 1,985 | Apr 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 37 | 10 | 19 | 8 | 27.0% |
| As White | 17 | 6 | 8 | 3 | 35.3% |
| As Black | 20 | 4 | 11 | 5 | 20.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Harald Classen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Harald Classen's side.
First moves as White (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 16 | 94.1% | 59.4% |
| e4 | 1 | 5.9% | 50.0% |
Main lines as White
- 1.c4 — 94% of White games, 59.4% score
- …Nf6 (38% of these games) — Classen usually continues Nc3 (75.0% score)
- …e5 (31% of these games) — Classen usually continues Nc3 (50.0% score)
- …c6 (13% of these games) — Classen usually continues Nf3 (25.0% score)
- 1.e4 — 6% of White games, 50.0% score
- …d5 (100% of these games) — Classen usually continues exd5 (50.0% score)
As Black against 1.e4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 7 | 100.0% | 64.3% |
As Black against 1.d4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 9 | 100.0% | 38.9% |
Harald Classen's chess games
All 37 games by Harald Classen in the Chess.ceo database (Mar 2016 - 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: 10 wins, 19 draws, 8 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A54 | English Opening: Reverse Sicilian | 8 | 4/2/2 | 50.0% |
| A11 | English Opening: Slav Setup | 2 | 0/1/1 | 0.0% |
| A34 | English Opening: Symmetrical | 2 | 0/2/0 | 0.0% |
| E90 | Modern Defense | 1 | 1/0/0 | 100.0% |
| A34 | English Opening | 1 | 0/1/0 | 0.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 0/1/0 | 0.0% |
| A88 | English Opening: Dutch Defense | 1 | 0/1/0 | 0.0% |
| D91 | Grünfeld Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B41 | Sicilian | 7 | 2/5/0 | 28.6% |
| D20 | Queen's Gambit Accepted | 3 | 0/2/1 | 0.0% |
| A20 | English Opening: Reverse Sicilian | 3 | 1/0/2 | 33.3% |
| D22 | Queen's Pawn Game | 3 | 0/2/1 | 0.0% |
| D05 | Indian Defense | 2 | 0/1/1 | 0.0% |
| B40 | Réti Opening | 1 | 0/1/0 | 0.0% |
| D03 | Torre Attack | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Sep 2017 | Stefan Bien | 2,089 | Mittelrhein Regionalliga 1718 | D03 |
| Jan 2018 | Ingo Lindam | 2,067 | Mittelrhein Regionalliga 1718 | E90 |
| Dec 2018 | Ingo Krause | 1,973 | Mittelrhein Verbandsliga-N 18/19 | B41 |
| Apr 2018 | Reinhard Hennicken | 1,972 | Mittelrhein Regionalliga 1718 | A54 |
| Mar 2019 | Eric Ostenda | 1,961 | Mittelrhein Verbandsliga-N 18/19 | A28 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Mittelrhein Verbandsliga 16/17 | 2017 | 11 | 5 | 1,939 |
| Mittelrhein Verbandsliga-N 18/19 | 2019 | 9 | 6.5 | 2,118 |
| Mittelrhein Regionalliga 1718 | 2018 | 9 | 3.5 | 1,998 |
| Mittelrhein Verbandsliga Nord 1920 | 2020 | 6 | 3 | 1,943 |
| Mittelrhein Verbandsliga-M 15/16 | 2016 | 2 | 1.5 | 2,126 |
Interactive opening tree from all 37 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Harald Classen's chess games?
37 games by Harald Classen, from Mar 2016 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 Harald Classen has played.
What does Harald Classen play on the first move as White?
Across 17 games with White in our database, Harald Classen opens with 1.c4 (94% of games), 1.e4 (6% of games). Against 1.e4 as Black, Harald Classen answers 1...c5 (100% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Harald Classen play as White?
As White, Harald Classen's most-played openings in our database are: English Opening: Reverse Sicilian (8 games, 50.0% win rate); English Opening: Slav Setup (2 games, 0.0% win rate); English Opening: Symmetrical (2 games, 0.0% win rate). The full breakdown of 17 games with White is in the table above.
What openings does Harald Classen play as Black?
As Black, Harald Classen most often plays: Sicilian (7 games, 28.6% win rate); Queen's Gambit Accepted (3 games, 0.0% win rate); English Opening: Reverse Sicilian (3 games, 33.3% win rate). See the table above for the top ten Black openings across 20 games.
What is Harald Classen's FIDE rating?
Harald Classen is currently rated 1,970 in classical chess and 1,954 in blitz. Peak classical rating: 1,974 (Apr 2024).
How many games has Harald Classen played?
Our database contains 37 games by Harald Classen, covering Mar 2016 to Jul 2026. Overall record: 10 wins, 19 draws, 8 losses (27.0% win rate).
How do I prepare against Harald Classen?
37 games by Harald Classen 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.