Player profile
Koellner, Christof
Dossier
21 of 21 games analyzed.
Accuracy: 90.8%
Opened d4: 3/3
Castled kingside: 10Same-side castling: 10Opposite-side castling: 1Castled queenside: 1Did not castle: 1
Played in the center: 6Played on the kingside: 3Fianchettoed queenside: 3Fianchettoed kingside: 2Played on the queenside: 1
Initiated exchanges: 6Isolated pawn: 6Space advantage: 5Sacrificed material: 5Kept the bishop pair: 5Active pieces: 5Backward pawn: 5Missed tactics: 4Avoided exchanges: 3
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 3 games 0W 1D 2L
Indian Defense 2 games 0W 1D 1L
Spielmann-Indian 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Knights Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Pawn Game 1 game 0W 0D 1L
Colle System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 9 games 2W 0D 7L
Philidor Defense 2 games 0W 0D 2L
Exchange Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Lion Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Pirc Defense 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Queen's Gambit Declined 2 games 0W 0D 2L
Exchange Variation 2 games 0W 0D 2L
Positional Variation
1 game
0W
0D
1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 0W 0D 1L
Agincourt Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Indian Defense 1 game 1W 0D 0L
Wade-Tartakower Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzo-Larsen Attack 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 91
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 21 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.06.07 | Round 7: Steinhauer, Artur - Koellner, Christof | 7.11 | 2026.06.07 Steinhauer, Artur (16263596) (2206) | 0 | 93.10% | 1. e4 d6 2. d4 e5 3. Nf3 exd4 | |
| 2026.06.05 | Round 3: Boidman, Yuri - Koellner, Christof | 3.9 | 2026.06.05 Boidman, Yuri (4643992) (2227) | 0 | 85.80% | 1. e4 d6 2. Nc3 e5 3. d4 exd4 | |
| 2026.05.22 | Runde 2: Narayanan S L - Koellner, Christof | 2.1 | 2026.05.22 Narayanan S L (5058422) (2569) | 0 | 86.80% | 1. d4 d6 2. e4 Nf6 3. Nc3 e5 | |
| 2026.04.02 | Grenke Chess Festival 2026 Open | 1.78 | 2026.04.02 Willems, Niels (20695586) (2388) | 0 | 89.70% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2024.06.01 | Round 5: Koellner, Christof - Hinrichs, Paul | 2024.06.01 Hinrichs, Paul (12942545) (2253) | 0 | 86.40% | 1. d4 d5 2. Nf3 Nf6 3. e3 c6 | ||
| 2024.05.31 | Round 3: Koellner, Christof - Chassard, Cedric | 2024.05.31 Chassard, Cedric (16243536) (2246) | ½ | 96.60% | 1. d4 Nf6 2. Nf3 c5 3. e3 d5 | ||
| 2024.04.14 | Oberliga W?rttemberg Schlussrunde 2024 | 9.31 | 2024.04.14 Buechele, Johannes (16282264) (1912) | 1 | 96.70% | 1. d4 d6 2. Nf3 Nf6 3. c4 g6 | |
| 2024.03.24 | SK Schwäbisch Hall - SF Deizisau 2 | 8.7 | 2024.03.24 Eric, Jovana (938238) (2162) | 0 | 90.70% | 1. d4 Nf6 2. Nf3 e6 3. Nbd2 d5 | |
| 2024.01.02 | Roquetas 2024 | 1.13 | 2024.01.02 Merario Alarcon, Andres (24522767) (2429) | 0 | 89.10% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2023.11.05 | Heilbronner SV 2 - SF Deizisau 2 | 3.8 | 2023.11.05 Lahouel, Kim-Luca (12979503) (1971) | 1 | 96.20% | 1. e4 d6 2. d4 Nf6 3. Bd3 e5 | |
| 2023.10.15 | SF Deizisau 2 - Stuttgarter SF | 2.7 | 2023.10.15 Maeurer, Christoph, Dr. (4616847) (2232) | ½ | 96.40% | 1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 | |
| 2023.12.14 | Round 3: Aleksandra Samaganova - Christof Koellner | 2023.12.14 Aleksandra Samaganova (1827) | 0 | 88.40% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | ||
| 2023.12.13 | Round 1: Jingyao Tin - Christof Koellner | 2023.12.13 Jingyao Tin (2573) | 0 | 90.50% | 1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 | ||
| 2023.03.12 | Round 9: Jarne Ruddat - Christof Koellner | 2023.03.12 Jarne Ruddat | 1 | 94.90% | 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 | ||
| 2023.03.11 | Round 8: Christof Koellner - Hanna Gressmann | 2023.03.11 Hanna Gressmann | ½ | 87.50% | 1. d4 d5 2. Bg5 c5 3. dxc5 Nc6 | ||
| 2023.03.10 | Round 7: Christoph Ramme - Christof Koellner | 2023.03.10 Christoph Ramme | 0 | 91.40% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | ||
| 2023.03.09 | Round 6: Christof Koellner - Alexis Buchinger | 2023.03.09 Alexis Buchinger | 1 | 91.90% | 1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 | ||
| 2023.03.08 | Round 5: Priyanka Nutakki - Christof Koellner | 2023.03.08 Priyanka Nutakki (25049615) | 0 | 75.30% | 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 | ||
| 2023.03.07 | Round 4: Christof Koellner - Arthur De Winter | 2023.03.07 Arthur De Winter | ½ | 93.80% | 1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 | ||
| 2023.03.06 | Round 3: Jasper Holtel - Christof Koellner | 2023.03.06 Jasper Holtel | ½ | 90.50% | 1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 | ||
| 2023.03.05 | Round 1: Christof Koellner - Anton Reinl | 2023.03.05 Anton Reinl | 1 | 95.90% | 1. d4 c5 2. d5 Nf6 3. Nc3 d6 |