Tomaszewski, Michal
Current rating: 1499
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 62 | Cammilluzzi, Marco (1864) | Won 2-1 | +241528 |
| 4sealed | 56 | Brucherseifer, Christian (1520) | Lost 0-2 | -181510 |
| 5sealed | 94 | Capanda, Robert (1394) | Won 2-0 | +161526 |
| 6sealed | 125 | Bujanowicz, Pawel (1829) | Lost 1-2 | -131513 |
| 7sealed | 248 | Riabokon, Natalia (1447) | Lost 1-2 | -191494 |
| 8sealed | 336 | Baudys, Ondrej (1801) | Draw 1-1 | +51499 |
| top | average opponent: 1643record: 2-3-1 | new rating: 1499 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 85 | Picca, Giacomo (1500) | Won 2-0 | +191482 |
| 2sealed | 25 | Umhoefer, Michael (1556) | Lost 1-2 | -171465 |
| 3sealed | 559 | Sorli, Jorgen (1451) | Lost 0-2 | -181447 |
| 4sealed | 631 | Loghin, Florin (1489) | Won 2-1 | +181465 |
| 5sealed | 564 | Jelinek, Jan (1348) | Won 2-0 | +161481 |
| 6sealed | 467 | Sauer, Joachim (1564) | Won 2-0 | +201501 |
| 7sealed | 204 | Vencl, Vaclav (1632) | Lost 0-2 | -161485 |
| 8sealed | 398 | Munch, Aaron (1521) | Won 2-1 | +191504 |
| top | average opponent: 1508record: 5-3 | new rating: 1504 | ||
| Grand Prix Warsaw 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 236 | Kalwei, Christopher (1505) | Won 2-1 | +181518 |
| 2standard | 145 | Grabowski, Andrzej (1525) | Draw 1-1 | 01518 |
| 3standard | 321 | Pioro, Lukasz (1518) | Lost 0-2 | -181500 |
| 4standard | 432 | Lupini, Lorenzo (1553) | Won 2-1 | +191519 |
| 5standard | 302 | Gorski, Bartlomiej (1543) | Lost 0-2 | -171502 |
| 6standard | 399 | Kraft, Rene (1676) | Lost 0-2 | -151487 |
| 7standard | 437 | Toth, Ferenc (1466) | Won 2-1 | +171504 |
| 8standard | 356 | Jampula, Maciej (1441) | Lost 0-1 | -191485 |
| 9standard | 351 | Stadlbauer, Siegfried (1238) | Lost 1-2 | -221463 |
| top | average opponent: 1496record: 3-5-1 | new rating: 1463 | ||