Marc, Dr. Gruenhagen
GER · FIDE ID 24667862 · 8 tournament games since 2025
Standard
1964
#3930 in GER (active)
Rapid
–
Unrated
Blitz
–
Unrated
Score
44%
3 W · 1 D · 4 L
Opp. avg
1909
Last 8 games
Last game
2025-07-29
Dutch Open Championship 2025 | Reserve A
Prep summary
- As White: 1.d4 in 75% of games (scores 83%), otherwise 1.c4 (25%).
Based on 8 over-the-board games. 4 with White (63%), 4 with Black (25%).
Openings as White
First move
| 1.d4 | 3 | 83% |
| 1.c4 | 1 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| English Opening: King's English Variation, Two Knights Variation | 1 | 0% |
| Queen's Indian Defense: Petrosian Variation | 1 | 100% |
| Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation | 1 | 50% |
| Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation | 1 | 100% |
Openings as Black
Against 1.e4 (2 games)
| 1...e5 King's Pawn Game | 2 | 50% |
Against 1.d4 (2 games)
| 1...d5 Queen's Pawn Game | 2 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Slav Defense: Chebanenko Variation | 1 | 0% |
| Slav Defense: Exchange Variation, Boor Attack | 1 | 0% |
| King's Gambit Declined: Classical Variation | 1 | 100% |
| Bishop's Opening: Urusov Gambit | 1 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2025-07-29 | Charlie Ronald Hylarides (1819) Dutch Open Championship 2025 | Reserve A | L |
| 2025-07-28 | Tobias De Vries (1947) Dutch Open Championship 2025 | Reserve A | L |
| 2025-07-27 | Kaz Haans (1970) Dutch Open Championship 2025 | Reserve A | L |
| 2025-07-26 | Henk Van Jaarsveld (1899) Dutch Open Championship 2025 | Reserve A | W |
| 2025-07-25 | Jort Cornelissen (1833) Dutch Open Championship 2025 | Reserve A | W |
| 2025-07-24 | Stan Heijmans (1951) Dutch Open Championship 2025 | Reserve A | ½ |
| 2025-07-23 | Twan Rutjes (1944) Dutch Open Championship 2025 | Reserve A | L |
| 2025-07-22 | Wiebe De Witte (1909) Dutch Open Championship 2025 | Reserve A | W |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.