Kroll, Marcel
Current rating: 1494
| Grand Prix Turin 2012 (modern) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 28 | Rizzi, Giacomo (1518) | Won 2-1 | +191523 |
| 3modern | 44 | Perbet, Guillaume (1973) | Lost 0-2 | -111512 |
| 4modern | 155 | Ceresoli, Luca (1515) | Lost 0-2 | -181494 |
| 5modern | 170 | Goldmann, Daniel (1500) | Lost 0-2 | -171477 |
| 6modern | 215 | Vacher, Stephane (1468) | Won 2-1 | +171494 |
| 7modern | 174 | Andreani, Alessio (1511) | Lost 1-2 | -171477 |
| 8modern | 156 | Pham, Philippe (1457) | Won 2-0 | +171494 |
| top | average opponent: 1563record: 3-4 | new rating: 1494 | ||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 4legacy | 55 | Orsini Jones, Marco (1852) | Won 2-1 | +241506 |
| 5legacy | 17 | Kreuz, Alexander (1811) | Lost 0-2 | -121494 |
| 6legacy | 61 | Tyssens, Geert (1628) | Lost 0-2 | -161478 |
| 7legacy | 123 | Becker, Mattias (1553) | Lost 1-2 | -161462 |
| 8legacy | 168 | Mather, Andrew (1656) | Won 2-0 | +211483 |
| 9legacy | 137 | Baauw, Dennis (1666) | Won 2-0 | +211504 |
| top | average opponent: 1694record: 3-3 | new rating: 1504 | ||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 617 | Stolze, Martin (1500) | Lost 0-2 | -181482 |
| top | record: 0-1 | new rating: 1482 | ||