Marbach, Jascha
Current rating: 1521
Record: 4-3
| Grand Prix Lyon 2010 (ROE limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 666 | Briols, Ben (1558) | Won 2-0 | +191519 |
| 2sealed | 519 | Forte, Frederic (1505) | Won 2-0 | +181537 |
| 3sealed | 517 | Busson, Etienne (1537) | Lost 0-2 | -181519 |
| 4sealed | 660 | Schwabacher, Isaac (1593) | Lost 1-2 | -171502 |
| 5sealed | 704 | Martin, Francois (1530) | Won 2-1 | +191521 |
| 6sealed | 627 | Bezin, Jean-Baptiste (1489) | Won 0-0 | +171538 |
| 7sealed | 616 | Berthelot, Julien (1587) | Lost 0-2 | -171521 |
| average opponent: 1543record: 4-3 | new rating: 1521 | |||