Schummer, Ralph
Current rating: 1546
| Grand Prix Brussels 2008 (SHM limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 13 | Landau, Michael (1500) | Lost 0-2 | -181471 |
| 2sealed | 286 | Espreman, Etienne (1482) | Won 2-0 | +191490 |
| 3sealed | 240 | Boelens, Jasper (1611) | Won 2-1 | +201510 |
| 4sealed | 111 | Star, Leon (1511) | Won 2-0 | +181528 |
| 5sealed | 136 | Saleh, Fahad (1533) | Lost 1-2 | -181510 |
| 6sealed | 144 | Brissac, Jean Philippe (1497) | Won 2-0 | +181528 |
| 7sealed | 126 | Von Drehle, Christian (1577) | Won 0-0 | +191547 |
| 8sealed | 43 | Yu, Shao-Chi (1564) | Won 2-0 | +181565 |
| 9sealed | 32 | Chooi, Yew Vern (1532) | Lost 0-2 | -191546 |
| top | average opponent: 1534record: 6-3 | new rating: 1546 | ||
| Grand Prix Vienna 2008 (extended) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 78 | Mauhart, Christian (1500) | Lost 1-2 | -181486 |
| 4extended | 92 | Steinecke, Michael (1577) | Lost 0-2 | -161470 |
| 5extended | 170 | Knocinski, Przemek (1486) | Won 2-1 | +181488 |
| 6extended | 158 | Wiek, Alex (1520) | Won 2-0 | +191507 |
| 7extended | 119 | Giusti, Emanuele (1540) | Lost 0-2 | -181489 |
| top | average opponent: 1525record: 2-3 | new rating: 1489 | ||
| Grand Prix Stuttgart 2007 (LRW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 78 | Hornansky, Richard (1504) | Won 2-1 | +181518 |
| 3sealed | 15 | Wilkens, Jens (1539) | Won 2-0 | +181536 |
| 4sealed | 48 | Trallero, Ivan (1593) | Draw 1-1 | +11537 |
| 5sealed | 42 | Schneiber, Benedikt (1612) | Lost 0-2 | -161521 |
| 6sealed | 104 | Decker, Bastian (1519) | Won 2-1 | +181539 |
| 7sealed | 59 | Geiger, Frederic (1652) | Lost 0-2 | -161523 |
| 8sealed | 102 | Pouvreau, Florent (1484) | Lost 0-2 | -191504 |
| top | average opponent: 1558record: 3-3-1 | new rating: 1504 | ||