Siedlecka, Marta
Current rating: 1007
Record: 12-55-4
| Grand Prix Birmingham 2018 (std) (DOM standard) | starting rating: 1017 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 76 | Johnson, Lee (1500) | Lost 0-2 | -101007 |
| top | record: 0-1 | new rating: 1007 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1032 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 49 | Ham, Joshua (1500) | Lost 1-2 | -101022 |
| 2sealed | 684 | Shreeve, Ben (1464) | Lost 0-2 | -101012 |
| 3sealed | 913 | Swan, Martin (1548) | Lost 0-2 | -91003 |
| 4sealed | 912 | Hawkins, Conor (1416) | Won 2-0 | +251028 |
| 5sealed | 823 | Spargo, Adam (1426) | Lost 0-2 | -111017 |
| top | average opponent: 1471record: 1-4 | new rating: 1017 | ||
| Grand Prix Warsaw 2017 (XLN standard) | starting rating: 1067 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 40 | Spaans, Casper (1583) | Lost 1-2 | -91058 |
| 2standard | 395 | Allard, Jason (1584) | Lost 0-2 | -91049 |
| 3standard | 538 | Misztal, Kamil (1464) | Draw 1-1 | +71056 |
| 4standard | 566 | Schulz, Robert (1376) | Lost 1-2 | -121044 |
| 5standard | 573 | Pekala, Konrad (1430) | Lost 0-2 | -121032 |
| top | average opponent: 1487record: 0-4-1 | new rating: 1032 | ||
| Grand Prix Turin 2017 (HOU standard) | starting rating: 1168 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 155 | Fabricatore, Alessandro (1549) | Lost 0-2 | -111157 |
| 2standard | 234 | Gizzi, Carlo (1482) | Lost 0-2 | -131144 |
| 3standard | 401 | Chiarle, Daniele (1467) | Lost 0-2 | -121132 |
| 4standard | 439 | Klinke, Sergio (1444) | Lost 0-2 | -121120 |
| 5standard | 430 | Piastra, Luca (1423) | Lost 1-2 | -131107 |
| 6standard | 415 | Chernykh, Vadim (1331) | Lost 1-2 | -141093 |
| 7standard | 386 | Bohm, Patrick (1347) | Lost 0-2 | -131080 |
| 8standard | 346 | Specchia, Marco (1405) | Lost 0-2 | -131067 |
| top | average opponent: 1431record: 0-8 | new rating: 1067 | ||
| Grand Prix Metz 2017 (HOU limited) | starting rating: 1220 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 56 | De Corte, Olivier (1504) | Lost 0-2 | -131207 |
| 2sealed | 450 | Guyon, Arnaud (1703) | Won 2-1 | +261233 |
| 3sealed | 456 | Pinto, Murat (1544) | Lost 0-2 | -121221 |
| 4sealed | 592 | Cepeda, Carlos (1422) | Lost 0-2 | -151206 |
| 5sealed | 629 | Bendrin, Simon (1388) | Lost 0-2 | -141192 |
| 6sealed | 615 | Herr, Beren (1248) | Lost 0-2 | -171175 |
| 7sealed | 573 | Palmer, Jasmine (1456) | Lost 0-2 | -131162 |
| 8sealed | 515 | Simeon, Fabrice (1270) | Won 2-0 | +201182 |
| 9sealed | 450 | Plug, Tobias (1436) | Lost 1-2 | -141168 |
| top | average opponent: 1441record: 2-7 | new rating: 1168 | ||
| Grand Prix Barcelona 2017 (AER standard) | starting rating: 1255 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 175 | Stanek, Adrian (1434) | Lost 0-2 | -151240 |
| 2standard | 363 | Balsa Diaz, Raul (1564) | Won 2-1 | +231263 |
| 3standard | 423 | Maisonneuve, Erwan (1798) | Lost 1-2 | -91254 |
| 4standard | 504 | Caeiro, Miguel (1485) | Lost 0-2 | -141240 |
| 5standard | 544 | Somoza Prados, Noe (1337) | Lost 0-2 | -161224 |
| 6standard | 557 | Garcia Gongora, Alejandro (1449) | Won 2-0 | +221246 |
| 7standard | 479 | Garcia, Damien (1466) | Lost 0-2 | -141232 |
| 8standard | 474 | Karesvuori, Karo (1548) | Lost 0-2 | -121220 |
| top | average opponent: 1510record: 2-6 | new rating: 1220 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1271 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Schwarz, Andreas (1520) | Won 2-0 | +231294 |
| 2sealed | 381 | Kaczmarczyk, Radek (1639) | Lost 0-2 | -121282 |
| 3sealed | 466 | Alonso, Daniel (1624) | Lost 0-2 | -121270 |
| 4sealed | 218 | Branis, Antonin (1430) | Lost 0-2 | -151255 |
| 5sealed | 782 | Di Cesare, Marco (1462) | Won 2-1 | +221277 |
| 6sealed | 633 | Tetera, Filip (1516) | Lost 0-2 | -141263 |
| 7sealed | 706 | Pihlajisto, Ilkka (1462) | Lost 0-2 | -151248 |
| 8sealed | 677 | McLaren, George (1399) | Won 2-0 | +211269 |
| 9sealed | 579 | Graba, Bartlomiej (1454) | Lost 0-2 | -141255 |
| top | average opponent: 1501record: 3-6 | new rating: 1255 | ||
| Grand Prix Madrid 2016 (KLD standard) | starting rating: 1348 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 177 | Pelaez Rodriguez, Alvaro (1500) | Won 2-0 | +201368 |
| 2standard | 246 | Pruijt, Daan (1998) | Lost 0-2 | -81360 |
| 3standard | 398 | Gomes, Andre (1500) | Lost 1-2 | -151345 |
| 4standard | 627 | Maisonneuve, Erwan (1797) | Lost 0-2 | -101335 |
| 5standard | 640 | Iglesias Irun, Ignacio (1458) | Lost 1-2 | -161319 |
| 6standard | 639 | Carrasco Hernandez, Paloma (1427) | Lost 0-2 | -161303 |
| 7standard | 597 | Lynch, Sean [IRL] (1428) | Lost 0-2 | -161287 |
| 8standard | 542 | Clot, Elodie (1414) | Lost 0-2 | -161271 |
| top | average opponent: 1565record: 1-7 | new rating: 1271 | ||
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 69 | Korpikiewicz, Jacek (1500) | Lost 0-2 | -171429 |
| 2standard | 274 | Alama, Jakub (1598) | Lost 0-2 | -151414 |
| 3standard | 481 | Hotchkiss, Justin (1464) | Won 2-0 | +191433 |
| 4standard | 445 | Fafalios, Pavlos (1575) | Lost 0-2 | -161417 |
| 5standard | 477 | Stefanski, Mateusz (1462) | Lost 0-2 | -171400 |
| 6standard | 503 | Muller, Lukas (1459) | Lost 0-2 | -171383 |
| 7standard | 478 | Szajna, Jakub (1319) | Lost 0-2 | -191364 |
| 8standard | 432 | Banach, Damian (1417) | Draw 1-1 | +11365 |
| 9standard | 393 | Grzonkowski, Tomasz (1408) | Lost 1-2 | -171348 |
| top | average opponent: 1467record: 1-7-1 | new rating: 1348 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 461 | Lutz, Manuel (1427) | Won 2-1 | +171517 |
| 2sealed | 31 | Maurri, Filippo (1589) | Lost 0-2 | -171500 |
| 3sealed | 618 | Madle, Andy (1488) | Lost 0-2 | -181482 |
| 4sealed | 139 | Whiscombe, Charlotte (1482) | Won 2-0 | +181500 |
| 5sealed | 654 | Spencer, Max (1449) | Lost 1-2 | -191481 |
| 6sealed | 896 | Ruscic, Daniel (1490) | Lost 1-2 | -181463 |
| 7sealed | 849 | Acuna, Santiago (1465) | Draw 1-1 | 01463 |
| 8sealed | 758 | Scherrer, Sandro (1480) | Draw 1-1 | 01463 |
| 9sealed | 665 | Di Cesare, Marco (1474) | Lost 0-2 | -171446 |
| top | average opponent: 1483record: 2-5-2 | new rating: 1446 | ||