Zimmermann, Martin 8986
Current rating: 1314
Record: 12-26
| Grand Prix Vienna 2014 (BNG limited) | starting rating: 1334 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 280 | Novak, Daniel (1508) | Won 2-0 | +221356 |
| 2sealed | 248 | Externbrink, Fabian (1521) | Won 2-0 | +211377 |
| 3sealed | 217 | Vontitsos, George (1454) | Lost 1-2 | -171360 |
| 4sealed | 359 | Zacharias, Jan (1618) | Lost 0-2 | -131347 |
| 5sealed | 391 | Piroddi, Dario (1403) | Lost 1-2 | -171330 |
| 6sealed | 148 | Maia, Rodolfo (1436) | Lost 1-2 | -161314 |
| top | average opponent: 1490record: 2-4 | new rating: 1314 | ||
| Grand Prix Antwerp 2013 (modern) | starting rating: 1358 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 436 | Grottel, Jan (1482) | Lost 0-2 | -161342 |
| 2modern | 560 | Prior, Matthew (1447) | Lost 1-2 | -161326 |
| 3modern | 713 | Knapen, Bas (1695) | Won 2-1 | +251351 |
| 4modern | 555 | Van den Bulck, Steve (1453) | Lost 1-2 | -171334 |
| top | average opponent: 1519record: 1-3 | new rating: 1334 | ||
| Grand Prix Strasbourg 2013 (legacy) | starting rating: 1377 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 3 | Mathieu, Sebastien (1447) | Lost 0-1 | -171360 |
| 2legacy | 414 | Invernizzi, Marc (1707) | Won 2-0 | +241384 |
| 3legacy | 298 | Korosi, Soma (1501) | Lost 0-0 | -161368 |
| 4legacy | 548 | Sauer, Norman (1481) | Lost 1-2 | -151353 |
| 5legacy | 563 | Holubec, Markus (1467) | Won 2-1 | +201373 |
| 6legacy | 479 | Hubensteiner, Josef (1478) | Lost 1-2 | -161357 |
| 7legacy | 436 | Moeken, Ed (1309) | Won 2-1 | +171374 |
| 8legacy | 346 | Lachaud, Remy (1503) | Lost 1-2 | -161358 |
| top | average opponent: 1486record: 3-5 | new rating: 1358 | ||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1397 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 207 | Markopoulos, Chris (1500) | Won 2-0 | +201417 |
| 2sealed | 110 | Bottcher, Daniel (1597) | Lost 0-2 | -151402 |
| 3sealed | 165 | Cupal, Dominik (1565) | Won 2-0 | +211423 |
| 4sealed | 249 | Boucetta, Joackim (1675) | Lost 0-2 | -131410 |
| 5sealed | 298 | Perin, Andrea (1438) | Lost 1-2 | -181392 |
| 6sealed | 306 | Chiarel, Federico (1557) | Lost 1-2 | -151377 |
| top | average opponent: 1555record: 2-4 | new rating: 1377 | ||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 791 | Grote, Christoph (1500) | Won 2-0 | +191483 |
| 2sealed | 690 | Huttenhain, Jesko (1554) | Lost 0-2 | -171466 |
| 3sealed | 669 | Rosenkranz, Ondrej (1546) | Lost 0-2 | -161450 |
| 4sealed | 824 | Winkler, Eric (1440) | Lost 0-2 | -191431 |
| 5sealed | 804 | Haak, Markus (1484) | Lost 1-2 | -171414 |
| 6sealed | 765 | Jung, Kathrin (1447) | Lost 0-2 | -171397 |
| top | average opponent: 1495record: 1-5 | new rating: 1397 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Link, Michael (1500) | Won 2-0 | +181518 |
| 2sealed | 27 | Kratsch, Stefan (1521) | Lost 1-2 | -181500 |
| 3sealed | 95 | Hessens, Oliver (1517) | Won 2-0 | +181518 |
| 4sealed | 66 | Dorle, Anthony (1501) | Lost 0-2 | -181500 |
| 5sealed | 165 | Folkerts, Arend (1477) | Won 2-0 | +181518 |
| 6sealed | 70 | Geschwind, Ken (1525) | Lost 1-2 | -181500 |
| 7sealed | 133 | Wolff, Jan (1543) | Lost 0-2 | -171483 |
| 8sealed | 102 | Menzel, Ralf (1463) | Lost 0-2 | -191464 |
| top | average opponent: 1506record: 3-5 | new rating: 1464 | ||