Christof Koellner
GER · FIDE ID 4635787 · 40 tournament games since 2021
Standard
2043
#2550 in GER (active)
Rapid
2032
#1440 in GER (active)
Blitz
2026
#1758 in GER (active)
Score
43%
13 W · 8 D · 19 L
Opp. avg
2188
Last 40 games
Last game
2026-06-07
16. Rheinland-Pfalz Open
Prep summary
- As White: 1.d4 in 94% of games (scores 41%).
- Against 1.e4: 1...d6 in 8 of 9 games (Pirc Defense), scoring 69%.
- Against 1.d4: 1...d6 in 5 of 8 games (Queen's Pawn Game), scoring 60%.
- Comfort zone: Trompowsky Attack as White, 67% in 3 games.
- By opponent strength: 18% against higher-rated players, 72% against lower-rated.
Based on 40 over-the-board games (2 classical). 17 with White (38%), 23 with Black (46%).
Openings as White
First move
| 1.d4 | 16 | 41% |
| 1.e4 | 1 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Trompowsky Attack | 3 | 67% |
| East Indian Defense | 2 | 25% |
| Queen's Pawn Game: Colle System | 1 | 0% |
| Indian Defense: Spielmann-Indian | 1 | 50% |
| Indian Defense: Knights Variation | 1 | 0% |
Openings as Black
Against 1.e4 (9 games)
| 1...d6 Pirc Defense | 8 | 69% |
| 1...c5 Sicilian Defense | 1 | 100% |
Against 1.d4 (8 games)
| 1...d6 Queen's Pawn Game | 5 | 60% |
| 1...d5 Queen's Pawn Game | 3 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Philidor Defense: Lion Variation | 4 | 63% |
| Pirc Defense | 2 | 50% |
| King's Indian Attack: Keres Variation | 2 | 50% |
| Rat Defense: English Rat | 2 | 100% |
| Philidor Defense: Exchange Variation | 1 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-06-07 | Artur Steinhauer (2206) 16. Rheinland-Pfalz Open | L |
| 2026-06-05 | Yuri Boidman (2227) 16. Rheinland-Pfalz Open | L |
| 2026-05-22 | Narayanan S L (2569) 39. Internationale Haßlocher Schachtage | L |
| 2026-04-02 | Niels Willems (2388) Grenke Chess Festival 2026 | Grenke Open A · classical | L |
| 2024-06-01 | Paul Hinrichs (2253) Rhineland-Palatinate Open 2024 | L |
| 2024-05-31 | Cedric Chassard (2246) Rhineland-Palatinate Open 2024 | ½ |
| 2024-04-14 | Johannes Buechele (1912) Oberliga Württemberg 2023-2024 · classical | W |
| 2024-03-24 | Jovana Eric (2162) Oberliga Württemberg 2023-2024 | L |
| 2024-01-02 | Andres Merario Alarcon (2429) Roquetas 2024 | L |
| 2023-12-14 | Aleksandra Samaganova (1827) Sunway Sitges 2023 | L |
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.