Grimmer, Martin
Current rating: 1581
Record: 30-33-3
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 852 | Di Cesare, Riccardo (1500) | Won 2-1 | +191456 |
| 2sealed | 489 | Merhav, Nitai (1523) | Won 2-1 | +191475 |
| 3sealed | 322 | Lob, Jonas (1621) | Won 2-1 | +211496 |
| 4sealed | 22 | Grefling, Jakub (1595) | Won 2-0 | +191515 |
| 5sealed | 105 | Yaocheng, Mark (1793) | Won 2-1 | +231538 |
| 6sealed | 16 | Kuhnert, Paul-Phillipp (1667) | Lost 1-2 | -151523 |
| 7sealed | 49 | Hrycej, Martin (1996) | Won 2-1 | +261549 |
| 8sealed | 103 | Sanchez Garrido, Ricardo (1841) | Won 2-0 | +231572 |
| 9sealed | 584 | Innauer, Felix (1753) | Lost 0-2 | -151557 |
| 10draft | 631 | Einaudi, Giacomo (1754) | Lost 1-2 | -141543 |
| 11draft | 723 | Onosov, Oleksandr (1855) | Won 2-1 | +231566 |
| 12draft | 752 | Kalaydzhiev, Emil (1723) | Won 2-0 | +211587 |
| 13draft | 572 | Henriksen, Erik (1708) | Won 2-1 | +201607 |
| 14draft | 572 | Mertins, Alexander (1966) | Lost 0-2 | -111596 |
| 15draft | 571 | Einaudi, Giacomo (1766) | Lost 1-2 | -151581 |
| top | average opponent: 1737record: 10-5 | new rating: 1581 | ||
| Grand Prix Prague 2018 (modern) | starting rating: 1325 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 228 | Leitner, Thomas (1503) | Won 2-0 | +221347 |
| 2modern | 112 | Bucholc, Filip (1553) | Lost 1-2 | -151332 |
| 3modern | 801 | Bartl, Sebastian (1573) | Won 2-1 | +231355 |
| 4modern | 411 | Diekjobst, Lukas (1720) | Won 2-0 | +241379 |
| 5modern | 254 | Thacker, Gavin (1503) | Won 2-1 | +201399 |
| 6modern | 137 | Risch, Jonas (1465) | Lost 0-2 | -171382 |
| 7modern | 419 | Alfonsson, Andreas (1586) | Won 2-0 | +221404 |
| 8modern | 106 | Been, Iso (1822) | Won 2-0 | +251429 |
| 9modern | 159 | Huss, Thibaut (1577) | Won 2-1 | +211450 |
| 10modern | 67 | Hacker, Christoph (1712) | Lost 0-2 | -131437 |
| top | average opponent: 1601record: 7-3 | new rating: 1437 | ||
| Grand Prix Prague 2016 (legacy) | starting rating: 1397 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 106 | Schuetz, Stefan (1840) | Lost 0-2 | -101387 |
| 4legacy | 288 | Quevedo, Adrian (1471) | Lost 1-2 | -171370 |
| 5legacy | 506 | Hyvarinen, Mikko (1646) | Lost 1-2 | -131357 |
| 6legacy | 545 | Luszczynski, Mirek (1443) | Lost 1-2 | -161341 |
| 7legacy | 530 | Humpolec, Pavel (1499) | Lost 0-2 | -161325 |
| top | average opponent: 1580record: 0-5 | new rating: 1325 | ||
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 165 | Fausch, Torben (1500) | Lost 0-2 | -171429 |
| 2standard | 510 | Swierczynski, Michal (1568) | Lost 0-2 | -161413 |
| 3standard | 719 | Cicolella, Andrea (1519) | Lost 0-2 | -161397 |
| top | average opponent: 1529record: 0-3 | new rating: 1397 | ||
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 219 | De Brabander, Michael (1460) | Won 2-0 | +171536 |
| 2standard | 179 | Rabiej, Igor (1518) | Lost 1-2 | -181518 |
| 3standard | 328 | Laskowski, Jakub (1502) | Lost 1-2 | -191499 |
| 4standard | 444 | Olchawski, Jakub (1483) | Won 2-1 | +181517 |
| 5standard | 379 | Dockal, Martin (1500) | Lost 0-2 | -181499 |
| 6standard | 404 | Berring, Nicholas (1672) | Lost 0-2 | -151484 |
| 7standard | 407 | Dobrowolski, Rafal (1385) | Lost 1-2 | -201464 |
| 8standard | 342 | Ofmanski, Michal (1426) | Lost 1-2 | -181446 |
| top | average opponent: 1493record: 2-6 | new rating: 1446 | ||
| Grand Prix Madrid 2014 (modern) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 495 | Alamo Perez, Joel (1500) | Won 2-0 | +191461 |
| 2modern | 358 | Garcia Guerrero, Luis (1599) | Draw 1-1 | +21463 |
| 3modern | 433 | Paris, Josh (1399) | Draw 1-1 | -11462 |
| 4modern | 599 | Parra Centeno, Ignacio (1596) | Won 2-1 | +211483 |
| 5modern | 398 | Ramon Fraga, Rafael (1516) | Lost 0-2 | -181465 |
| 6modern | 562 | Tollenaar, Xandor (1428) | Won 2-1 | +171482 |
| 7modern | 401 | Bouveroux, Eric (1539) | Draw 1-1 | +21484 |
| 8modern | 325 | Almagro Cayuela, Ismael (1511) | Won 1-0 | +181502 |
| 9modern | 316 | Rousseaux, Adrien (1456) | Won 2-0 | +171519 |
| top | average opponent: 1505record: 5-1-3 | new rating: 1519 | ||
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 199 | Lehner, Bernhard (1912) | Lost 1-2 | -111512 |
| 4sealed | 325 | Figiel, Piotr (1521) | Lost 1-2 | -181494 |
| 5sealed | 278 | Kretschmer, Maximilian (1504) | Lost 0-2 | -181476 |
| 6sealed | 356 | Michalak, Marek (1481) | Lost 0-2 | -181458 |
| 7sealed | 316 | Schroder, Norman (1501) | Won 0-0 | +191477 |
| 8sealed | 297 | Kronus, Vaclav (1389) | Lost 0-2 | -191458 |
| 9sealed | 260 | Hitz, Michael (1574) | Lost 1-2 | -161442 |
| top | average opponent: 1554record: 1-6 | new rating: 1442 | ||
| Grand Prix Prague 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 254 | Marti, Ruedi (1512) | Won 2-0 | +181518 |
| 2modern | 141 | Langhammer, Michal (1518) | Lost 0-2 | -181500 |
| 3modern | 473 | Hauser, Matthias (1609) | Won 2-1 | +201520 |
| 4modern | 427 | Jenco, Lukas (1519) | Won 2-0 | +181538 |
| 5modern | 27 | Falcon, Alvaro (1614) | Lost 1-2 | -161522 |
| 6modern | 347 | Chea, Wuy (1660) | Won 2-1 | +201542 |
| 7modern | 295 | Morin, Alexandre (1543) | Lost 0-2 | -181524 |
| 8modern | 348 | Skjaatel, Patrick (1491) | Won 2-0 | +171541 |
| 9modern | 172 | Kutny, Michal (1531) | Lost 0-2 | -181523 |
| top | average opponent: 1555record: 5-4 | new rating: 1523 | ||