Gehring, Peter
Current rating: 1378
| Grand Prix Vienna 2008 (extended) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 78 | Argel, Thomas (1500) | Won 2-0 | +201432 |
| 2extended | 53 | Radej, Anze (1518) | Lost 1-2 | -171415 |
| 3extended | 163 | Kjellberg, Magnus (1470) | Won 2-1 | +191434 |
| 4extended | 114 | Chabros, Thomas (1517) | Won 2-1 | +201454 |
| 5extended | 68 | Bucher, Manuel (1884) | Lost 0-2 | -111443 |
| 6extended | 133 | Eregger, Manfred (1518) | Lost 1-2 | -171426 |
| 7extended | 131 | Hucik, Tomas (1501) | Lost 0-2 | -161410 |
| 8extended | 147 | Pekala, Sebastian (1545) | Lost 1-2 | -161394 |
| 9extended | 126 | Mederly, Martin (1464) | Lost 0-2 | -161378 |
| top | average opponent: 1546record: 3-6 | new rating: 1378 | ||
| Grand Prix Stuttgart 2007 (LRW limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 161 | Saul, Philip (1434) | Lost 0-2 | -181410 |
| 2sealed | 222 | Benasli, Stephane (1417) | Won 2-1 | +181428 |
| 3sealed | 229 | Vornhusen, Gunnar (1411) | Lost 1-2 | -181410 |
| 4sealed | 247 | Laffont, Gautier (1435) | Won 2-0 | +181428 |
| 5sealed | 234 | De Ceuster, Bart (1516) | Lost 0-2 | -161412 |
| top | average opponent: 1443record: 2-3 | new rating: 1412 | ||
| Grand Prix Heidelberg 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 220 | Eckl, Sebastian (1500) | Lost 0-2 | -181482 |
| 2sealed | 319 | Mattes, Sven (1481) | Lost 0-2 | -181464 |
| 3sealed | 374 | Heim, Tobias (1465) | Won 2-0 | +181482 |
| 4sealed | 351 | Oertel, Matthias (1482) | Won 2-1 | +181500 |
| 5sealed | 200 | Nickel, Robert (1501) | Lost 0-2 | -181482 |
| 6sealed | 253 | Heimstadt, Christian (1483) | Lost 0-2 | -181464 |
| 7sealed | 205 | Pobis, Jakub (1497) | Lost 0-2 | -171447 |
| 8sealed | 168 | Mazanec, Roman (1416) | Lost 0-2 | -191428 |
| top | average opponent: 1478record: 2-6 | new rating: 1428 | ||