Koellner, Ruben Gideon
Last game 2026
Rating
peak 2531 · latest 2531Games
2,238
Wins
1002
Draws
370
Losses
866
Peak Elo
2531
53.0% score
As White
| A45 | Indian Defense: Accelerated London System | 51 | 64.7% |
| D02 | Queen's Pawn Game: Krause Variation | 45 | 72.2% |
| A48 | East Indian Defense | 32 | 53.1% |
| D04 | Queen's Pawn Game: Colle System | 26 | 67.3% |
| D05 | Queen's Pawn Game: Colle System | 25 | 62.0% |
| A46 | Indian Defense: Czech-Indian | 23 | 65.2% |
| A40 | Horwitz Defense | 17 | 58.8% |
| D10 | Slav Defense: Exchange Variation | 11 | 59.1% |
| D00 | Queen's Pawn Game: Accelerated London System | 10 | 70.0% |
As Black
| C41 | Philidor Defense: Exchange Variation | 67 | 56.7% |
| B00 | Lion Defense: Lion's Jaw | 38 | 55.3% |
| A46 | Indian Defense: Knights Variation | 27 | 38.9% |
| D37 | Queen's Gambit Declined: Barmen Variation | 13 | 50.0% |
| C78 | Ruy Lopez: Morphy Defense, Møller Variation | 11 | 68.2% |
| C54 | Italian Game: Classical Variation, Giuoco Pianissimo | 10 | 60.0% |
| A13 | English Opening: Agincourt Defense | 9 | 66.7% |