Gruszczyk, Martin
Current rating: 1492
Record: 19-23-3
| Grand Prix Warsaw 2017 (XLN standard) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 218 | Danas, Matej (1572) | Lost 0-2 | -161458 |
| 2standard | 410 | Fredriksson, Emil (1477) | Won 2-1 | +181476 |
| 3standard | 332 | Rajalin, Sandro (1581) | Won 2-0 | +201496 |
| 4standard | 298 | Nowak, Maciej (1697) | Won 2-0 | +221518 |
| 5standard | 194 | Pilorz, Michal (1590) | Won 2-0 | +191537 |
| 6standard | 82 | Zivec, Josef (1787) | Lost 0-2 | -141523 |
| 7standard | 123 | Tuominen, Tuomas (1727) | Draw 1-1 | +41527 |
| 8standard | 196 | Hansen, Rasmus [EST] (1597) | Lost 1-2 | -171510 |
| 9standard | 274 | Aucharou, Dzmitry (1521) | Lost 0-2 | -181492 |
| top | average opponent: 1617record: 4-4-1 | new rating: 1492 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 203 | Hansen, Lasse Bo (1689) | Lost 0-0 | -141453 |
| 3standard | 530 | Niederhausen, Lars (1490) | Won 2-1 | +191472 |
| 4standard | 592 | Djurovic, Mihailo (1593) | Lost 1-2 | -161456 |
| 5standard | 618 | Vaillemans, Tim (1401) | Draw 1-1 | -11455 |
| 6standard | 592 | Friedli, Johan (1519) | Lost 0-2 | -171438 |
| 7standard | 579 | Wolter, Carlo (1486) | Draw 1-1 | +11439 |
| 8standard | 501 | Ribiere, Jim (1403) | Won 2-0 | +171456 |
| 9standard | 388 | Dhaene, Kris (1436) | Won 2-0 | +181474 |
| top | average opponent: 1502record: 3-3-2 | new rating: 1474 | ||
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 101 | Bajgo, Boris (1465) | Won 2-0 | +181489 |
| 4standard | 63 | Campanino, Fabrizio (1466) | Won 2-0 | +171506 |
| 5standard | 9 | Rabyska, Ondrej (1690) | Lost 0-2 | -141492 |
| 6standard | 97 | Maciejewski, Mateusz (1465) | Lost 1-2 | -191473 |
| 7standard | 232 | Riabokon, Oleksii (1518) | Won 2-1 | +191492 |
| 8standard | 187 | Gehrts, Bruno Regis Heino (1451) | Won 2-1 | +171509 |
| 9standard | 119 | Balcar, Jiri (1650) | Won 2-0 | +211530 |
| 10standard | 28 | Zimmermann, Martin (1811) | Lost 0-2 | -131517 |
| 11standard | 80 | Kovar, Ondrej (1537) | Lost 0-2 | -181499 |
| 12standard | 86 | Dienelt, Ivo (1529) | Lost 0-2 | -171482 |
| 13standard | 83 | Amendola, Michele (1519) | Won 2-0 | +181500 |
| 14standard | 81 | Lorenz, Maximilian (1723) | Lost 0-2 | -141486 |
| 15standard | 78 | Vandermaelen, Yves (1418) | Lost 0-2 | -191467 |
| top | average opponent: 1557record: 6-7 | new rating: 1467 | ||
| Grand Prix Paris 2015 (DTK standard) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 59 | Blanchard, Kevin (1497) | Won 2-1 | +191469 |
| 3standard | 248 | Ferret, Paul (1592) | Won 2-0 | +201489 |
| 4standard | 79 | Dezani, Jeremy (1824) | Lost 1-2 | -121477 |
| 5standard | 293 | Hammerschmidt, Daniel (1584) | Lost 1-2 | -161461 |
| 6standard | 278 | Schulhof, Leo (1748) | Lost 1-2 | -131448 |
| 7standard | 364 | Jacomy, Alexis (1404) | Won 2-1 | +171465 |
| 8standard | 297 | Moeller, Tobias (1548) | Lost 1-2 | -161449 |
| 9standard | 258 | Langlotz, Thomas (1680) | Won 2-0 | +221471 |
| top | average opponent: 1610record: 4-4 | new rating: 1471 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 67 | Gioria, Julien (1510) | Lost 1-2 | -181482 |
| 4standard | 225 | Van Rooij, Peter (1329) | Lost 1-2 | -211461 |
| 5standard | 536 | Hocquemiller, Arnaud (1717) | Lost 0-2 | -131448 |
| 6standard | 559 | Landvatter, Matthias (1479) | Won 2-1 | +191467 |
| 7standard | 430 | Ringoir, Lesly (1497) | Won 2-1 | +181485 |
| 8standard | 228 | govinda, yannis (1520) | Lost 1-2 | -171468 |
| 9standard | 259 | Cools, Siegfried (1472) | Lost 1-2 | -181450 |
| top | average opponent: 1503record: 2-5 | new rating: 1450 | ||