Prepare against Marcel Harff
FM · DEU · World #2,915 classical · FIDE ID 24621382
Our database contains 581 games by Marcel Harff, covering Jul 2005 to Aug 2026. Below you'll find Marcel Harff's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Marcel Harff 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 | 2,342 | 2,420 | Oct 2018 |
| Rapid | 2,386 | 2,407 | Nov 2023 |
| Blitz | 2,426 | 2,439 | Nov 2019 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 581 | 241 | 203 | 137 | 41.5% |
| As White | 290 | 132 | 101 | 57 | 45.5% |
| As Black | 291 | 109 | 102 | 80 | 37.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Marcel Harff's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Marcel Harff's side.
First moves as White (290 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 213 | 73.4% | 63.8% |
| e4 | 46 | 15.9% | 60.9% |
| Nf3 | 19 | 6.6% | 47.4% |
| d4 | 8 | 2.8% | 68.8% |
| f4 | 3 | 1.0% | 100.0% |
| b4 | 1 | 0.3% | 100.0% |
Main lines as White
- 1.c4 — 73% of White games, 63.8% score
- …Nf6 (27% of these games) — Harff usually continues g3 (78.0% score)
- …e5 (23% of these games) — Harff usually continues Nc3 (65.5% score)
- …c5 (15% of these games) — Harff usually continues Nf3 (62.5% score)
- 1.e4 — 16% of White games, 60.9% score
- …c5 (54% of these games) — Harff usually continues Nf3 (50.0% score)
- …e5 (22% of these games) — Harff usually continues Nf3 (85.0% score)
- …e6 (13% of these games) — Harff usually continues d4 (66.7% score)
As Black against 1.e4 (160 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 123 | 76.9% | 57.3% |
| c5 | 23 | 14.4% | 69.6% |
| e5 | 9 | 5.6% | 55.6% |
| c6 | 5 | 3.1% | 30.0% |
As Black against 1.d4 (86 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 49 | 57.0% | 58.2% |
| e6 | 22 | 25.6% | 50.0% |
| d5 | 9 | 10.5% | 44.4% |
| f5 | 6 | 7.0% | 50.0% |
Marcel Harff's chess games
All 581 games by Marcel Harff in the Chess.ceo database (Jul 2005 - Aug 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: 241 wins, 203 draws, 137 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A13 | English Opening | 77 | 33/29/15 | 42.9% |
| A28 | English Opening: Reverse Sicilian | 56 | 24/17/15 | 42.9% |
| A30 | English Opening: Symmetrical | 30 | 10/12/8 | 33.3% |
| A10 | Modern Defense | 12 | 6/5/1 | 50.0% |
| A11 | English Opening: Slav Setup | 12 | 8/3/1 | 66.7% |
| B25 | Sicilian: Closed | 8 | 1/6/1 | 12.5% |
| B50 | Sicilian | 7 | 3/1/3 | 42.9% |
| A14 | English Opening: Neo-Catalan | 7 | 6/1/0 | 85.7% |
| A10 | English Opening: Dutch Defense | 6 | 4/2/0 | 66.7% |
| E05 | Catalan | 5 | 1/3/1 | 20.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C10 | French: Tarrasch Variation | 32 | 13/14/5 | 40.6% |
| C10 | French Defense | 29 | 13/10/6 | 44.8% |
| C18 | French: Winawer Variation | 29 | 10/7/12 | 34.5% |
| A46 | Indian Defense | 18 | 5/6/7 | 27.8% |
| A25 | English Opening: Reverse Sicilian | 17 | 7/8/2 | 41.2% |
| C02 | French: Advance Variation | 15 | 8/5/2 | 53.3% |
| E16 | Queen's Indian Defense | 14 | 4/6/4 | 28.6% |
| B32 | Sicilian | 14 | 8/4/2 | 57.1% |
| E04 | Catalan | 9 | 3/3/3 | 33.3% |
| C00 | Réti Opening | 9 | 1/3/5 | 11.1% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2021 | Rainer Buhmann | 2,580 | EU-Cup Online Gr-H | E14 |
| Jul 2016 | Vyacheslav Ikonnikov | 2,538 | 10th Leiden Open A | A81 |
| May 2011 | Michael Coenen | 2,534 | ch-GER Net qual1 U25 | B32 |
| May 2018 | Koen Leenhouts | 2,485 | 12th Maastricht Limburg Open | A36 |
| May 2011 | Judith Fuchs | 2,483 | ch-GER Net final U25 | E72 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| German Blitz Chess Championship 2026 | Men | 2026 | 22 | 13.5 | 2,456 |
| Duisburg Grossenbaum Open | 2006 | 21 | 13 | 2,150 |
| ch-NRW U18 | 2008 | 14 | 8 | 1,956 |
| ch-Niederrhein | 2013 | 14 | 9 | 2,131 |
| ch-NRW U12 | 2002 | 14 | 6.5 | 1,268 |
| ch-GER Net qual1 U25 | 2011 | 10 | 7 | 2,231 |
| chT-BEL 2025-26 | 2026 | 10 | 7.5 | 2,521 |
| Solingen Karneval Open | 2011 | 9 | 5.5 | 2,225 |
Interactive opening tree from all 581 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Marcel Harff's chess games?
581 games by Marcel Harff, from Jul 2005 to Aug 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 Marcel Harff has played.
What does Marcel Harff play on the first move as White?
Across 290 games with White in our database, Marcel Harff opens with 1.c4 (73% of games), 1.e4 (16% of games), 1.Nf3 (7% of games). Against 1.e4 as Black, Marcel Harff answers 1...e6 (77% of games), 1...c5 (14% of games), 1...e5 (6% of games). Against 1.d4: 1...Nf6 (57% of games), 1...e6 (26% of games), 1...d5 (10% of games).
What openings does Marcel Harff play as White?
As White, Marcel Harff's most-played openings in our database are: English Opening (77 games, 42.9% win rate); English Opening: Reverse Sicilian (56 games, 42.9% win rate); English Opening: Symmetrical (30 games, 33.3% win rate). The full breakdown of 290 games with White is in the table above.
What openings does Marcel Harff play as Black?
As Black, Marcel Harff most often plays: French: Tarrasch Variation (32 games, 40.6% win rate); French Defense (29 games, 44.8% win rate); French: Winawer Variation (29 games, 34.5% win rate). See the table above for the top ten Black openings across 291 games.
What is Marcel Harff's FIDE rating?
Marcel Harff is currently rated 2,342 in classical chess, 2,386 in rapid and 2,426 in blitz. Peak classical rating: 2,420 (Oct 2018).
How many games has Marcel Harff played?
Our database contains 581 games by Marcel Harff, covering Jul 2005 to Aug 2026. Overall record: 241 wins, 203 draws, 137 losses (41.5% win rate).
How do I prepare against Marcel Harff?
581 games by Marcel Harff 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.