Koch, Michael
Current rating: 1540
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 441 | Caldwell, Trevor (1500) | Won 2-1 | +171576 |
| 2sealed | 371 | Prabhu, Vinnie (1696) | Lost 0-2 | -161560 |
| 3sealed | 478 | Soulati, Reza (1568) | Won 2-1 | +181578 |
| 4sealed | 315 | Kelly, Jamie (1542) | Lost 1-2 | -191559 |
| 5sealed | 400 | Hagen, Justin (1504) | Lost 0-2 | -191540 |
| top | average opponent: 1562record: 2-3 | new rating: 1540 | ||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 252 | Boulema, Samir (1500) | Won 2-0 | +191501 |
| 2legacy | 106 | Garcia, Adria (1518) | Lost 1-2 | -181483 |
| 3legacy | 154 | Abou Omar, Ashraf (1631) | Won 2-1 | +211504 |
| 4legacy | 168 | Lutovinov, Sergey (1488) | Won 2-1 | +171521 |
| 5legacy | 181 | Tscherfinger, Beat (1417) | Draw 1-1 | -21519 |
| 6legacy | 147 | Sorribas, Xavier (1528) | Lost 0-2 | -171502 |
| 7legacy | 199 | Box, Jesper (1580) | Won 2-1 | +191521 |
| 8legacy | 147 | Hatala, Ondrej (1645) | Won 2-0 | +201541 |
| 9legacy | 96 | Frerard, David (1508) | Won 2-0 | +181559 |
| top | average opponent: 1535record: 6-2-1 | new rating: 1559 | ||
| Grand Prix Vienna 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 56 | Brancaleoni, Renato (1500) | Won 2-1 | +181518 |
| 2extended | 13 | Spenner, Dennis (1550) | Won 2-1 | +191537 |
| 3extended | 87 | Santi, Robert (1450) | Lost 1-2 | -201517 |
| 4extended | 99 | Bertelsmeier, Philipp (1467) | Won 2-1 | +171534 |
| 5extended | 121 | Kaksa, Matija (1542) | Lost 1-2 | -181516 |
| 6extended | 91 | Sisu, Andrei (1518) | Lost 1-2 | -181498 |
| 7extended | 130 | Petersen, Mickey (1633) | Lost 0-2 | -151483 |
| 8extended | 148 | Petrovic, Zvonimir (1480) | Won 2-0 | +181501 |
| 9extended | 112 | Hallwirth, Stephan (1475) | Lost 0-2 | -191482 |
| top | average opponent: 1513record: 4-5 | new rating: 1482 | ||