Schumann, Rene
Current rating: 1477
| Grand Prix Hanover 2009 (extended) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 422 | Bohm, Philip (1490) | Lost 1-2 | -171433 |
| 2extended | 558 | Brundler, Alex (1489) | Won 2-0 | +191452 |
| 3extended | 558 | Merdes, Daniel (1500) | Won 2-1 | +191471 |
| 4extended | 486 | Libkin, Eugen (1552) | Lost 0-2 | -171454 |
| 5extended | 524 | Hein, Fabian (1512) | Lost 0-2 | -161438 |
| 6extended | 554 | Pohl, Marc-andre (1481) | Won 2-0 | +181456 |
| 7extended | 522 | Wache, Paul (1627) | Won 2-1 | +211477 |
| 8extended | 487 | Muller, Martin (1438) | Lost 1-2 | -181459 |
| 9extended | 500 | Kuszka, Rafal (1484) | Won 2-0 | +181477 |
| top | average opponent: 1508record: 5-4 | new rating: 1477 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 188 | Wettemann, Christian (1500) | Won 2-1 | +181503 |
| 2sealed | 114 | Gamper, Max (1463) | Lost 1-2 | -191484 |
| 3sealed | 81 | Podeschwa, Alexander (1562) | Draw 1-1 | +21486 |
| 4sealed | 142 | Strack, Sascha (1500) | Lost 1-2 | -181468 |
| 5sealed | 182 | Sahn, Sascha (1483) | Won 2-0 | +181486 |
| 6sealed | 134 | Fetzer, Konstatin (1461) | Lost 1-2 | -181468 |
| 7sealed | 139 | Leitzinger, Robert (1497) | Lost 0-2 | -181450 |
| top | average opponent: 1495record: 2-4-1 | new rating: 1450 | ||
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Diehl, Kristof (1597) | Won 2-0 | +201520 |
| 2sealed | 61 | Polasek, Filip (1591) | Lost 0-2 | -171503 |
| 3sealed | 149 | Andres, Frank (1500) | Lost 1-2 | -181485 |
| 4sealed | 151 | Asmus, Merten (1483) | Lost 1-2 | -181467 |
| 5sealed | 182 | Kuntzsch, Colin (1469) | Lost 0-2 | -181449 |
| 6sealed | 163 | Riauba, Andrius (1449) | Lost 1-2 | -181431 |
| 7sealed | 141 | Matalla, Eric (1429) | Won 2-0 | +181449 |
| 8sealed | 111 | Cauwenbergh, Tijs (1447) | Won 2-0 | +181467 |
| 9sealed | 92 | Weiler, Lars (1462) | Won 2-1 | +181485 |
| top | average opponent: 1492record: 4-5 | new rating: 1485 | ||