Koch, Andreas
Current rating: 1449
Record: 12-15
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 131 | Jordi, Christian (1500) | Lost 1-2 | -171465 |
| 2sealed | 499 | Breuers, Alex (1581) | Lost 0-2 | -161449 |
| top | average opponent: 1540record: 0-2 | new rating: 1449 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1172 | Bayer, Mathias (1390) | Won 2-0 | +161515 |
| 2sealed | 639 | Vianini, Lorenzo (1484) | Lost 1-2 | -181497 |
| 3sealed | 755 | Von Hauen Jeppesen, Peter (1501) | Won 2-0 | +181515 |
| 4sealed | 625 | Tedeschi, Davide (1561) | Lost 0-2 | -171498 |
| 5sealed | 614 | Rodrigues De Miranda, Lars (1640) | Lost 0-2 | -161482 |
| 6sealed | 840 | Renard, Louis (1489) | Lost 1-2 | -181464 |
| 7sealed | 689 | Tenan, Mirco (1465) | Won 2-0 | +181482 |
| top | average opponent: 1504record: 3-4 | new rating: 1482 | ||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 619 | Neumann, Joaquim (1465) | Won 2-1 | +171532 |
| 2legacy | 663 | Corsanini, Michele (1709) | Lost 0-2 | -151517 |
| 3legacy | 776 | Olsson, Marcus (1570) | Lost 0-2 | -171500 |
| 4legacy | 941 | Vanden Berghe, Jan (1525) | Lost 1-2 | -171483 |
| 5legacy | 1006 | Van Der Heijden, Bas (1462) | Won 2-0 | +171500 |
| 6legacy | 898 | Dijk, Jannes (1482) | Won 2-0 | +181518 |
| 7legacy | 837 | Colnel, Pierre-Marie (1516) | Lost 0-2 | -181500 |
| 8legacy | 829 | Keijzer, Duncan (1491) | Won 2-1 | +181518 |
| 9legacy | 768 | Jechnerer, Franz (1498) | Lost 0-2 | -191499 |
| top | average opponent: 1524record: 4-5 | new rating: 1499 | ||
| Grand Prix Vienna 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 102 | Vytesnik, Daniel (1500) | Won 2-0 | +181518 |
| 2extended | 60 | Szklarski, Michal (1517) | Lost 1-2 | -181500 |
| 3extended | 154 | Sperl, Michael (1481) | Won 2-1 | +181518 |
| 4extended | 138 | Vorel, Jiri (1508) | Lost 1-2 | -191499 |
| 5extended | 173 | Kukucska, Tamas (1498) | Lost 1-2 | -181481 |
| 6extended | 178 | Felbermayer, Dominik (1487) | Won 2-0 | +191500 |
| 7extended | 157 | Kohl, Reinhold (1681) | Won 2-1 | +211521 |
| 8extended | 92 | Tintor, Sven (1518) | Lost 1-2 | -181503 |
| 9extended | 105 | Kelterbaum, Catherine (1168) | Won 2-0 | +121515 |
| top | average opponent: 1484record: 5-4 | new rating: 1515 | ||