Polkowski, Grzegorz
Current rating: 1698
Record: 36-27-4
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1591 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 295 | Andersson, Thomas (1520) | Draw 1-1 | -11590 |
| 3sealed | 267 | Filimonov, Nicolas (1479) | Won 2-0 | +161606 |
| 4sealed | 120 | Liwerski, Rafal (1753) | Won 2-1 | +211627 |
| 5sealed | 59 | Uhe, Felix (1735) | Draw 1-1 | +21629 |
| 6sealed | 130 | Edenbrandt, Jonas (1476) | Won 2-1 | +151644 |
| 7sealed | 214 | Dreimanis, Gints (1748) | Won 2-1 | +201664 |
| 8sealed | 231 | Wlodarczyk, Lukasz (1601) | ID | 01664 |
| 9sealed | 396 | Soltysik, Daniel (1570) | Lost 0-2 | -201644 |
| 10draft | 357 | Park, Sangwook (1775) | Won 2-0 | +201664 |
| 11draft | 393 | Heligr, Jiri (1721) | Won 2-0 | +201684 |
| 12draft | 403 | Fryca, Krzysztof (1512) | Draw 1-1 | -41680 |
| 13draft | 379 | Vinther, Nicolai (1545) | Won 2-1 | +161696 |
| 14draft | 387 | Benages, Alfred (1914) | Lost 1-2 | -141682 |
| 15draft | 341 | Lejeune, Olivier (1585) | Won 2-0 | +161698 |
| top | average opponent: 1638record: 8-2-4 | new rating: 1698 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 99 | Narmontas, Povilas (1512) | Won 2-0 | +161622 |
| 3sealed | 338 | Giorgio, Francesco (1884) | Lost 0-2 | -131609 |
| 4sealed | 572 | Burchett, Autumn (2037) | Lost 0-2 | -111598 |
| 5sealed | 629 | Sivavec, Jaka (1589) | Lost 0-2 | -181580 |
| 6sealed | 639 | Jedrzejczyk, Michal (1493) | Won 2-1 | +161596 |
| 7sealed | 438 | Hagen, Marcel (1409) | Lost 1-2 | -211575 |
| 8sealed | 469 | Piechowiak, Dominik (1488) | Won 2-0 | +161591 |
| top | average opponent: 1630record: 3-4 | new rating: 1591 | ||
| Grand Prix Warsaw 2017 (XLN standard) | starting rating: 1617 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 185 | Zurawik, Artur (1500) | Won 2-0 | +161633 |
| 2standard | 185 | Krejci, Radek (1411) | Lost 0-2 | -221611 |
| 3standard | 357 | Ando, Michal (1571) | Lost 0-2 | -191592 |
| 4standard | 477 | Bordac, Lukas (1388) | Won 2-1 | +151607 |
| 5standard | 362 | Hugony, Francesco (2031) | Lost 0-2 | -111596 |
| 6standard | 422 | Calvet, Victor (1390) | Won 2-0 | +141610 |
| 7standard | 384 | Tauler Aguilo, Juan (1744) | Lost 0-2 | -151595 |
| 8standard | 406 | Wilder, Harriet (1392) | Draw 1-1 | -41591 |
| 9standard | 350 | Friala, Tomas (1414) | Won 2-1 | +151606 |
| top | average opponent: 1538record: 4-4-1 | new rating: 1606 | ||
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 270 | Tyynysniemi, Matti (1500) | Won 2-1 | +181528 |
| 2standard | 223 | Matotea, Stefano (1380) | Lost 1-2 | -201508 |
| 3standard | 390 | Fajardo, Luis (1746) | Lost 1-2 | -141494 |
| 4standard | 474 | Tosetto, Francesco (1547) | Won 2-0 | +191513 |
| 5standard | 417 | Mieczkowski, Jaroslaw (1480) | Won 2-0 | +171530 |
| 6standard | 222 | Ronczka, Jacek (1564) | Won 2-1 | +191549 |
| 7standard | 236 | Wajda, Marcin (1571) | Won 2-1 | +181567 |
| 8standard | 146 | Glogowski, Piotr (1787) | Lost 1-2 | -141553 |
| 9standard | 180 | Arendas, Laszlo (1467) | Won 2-1 | +171570 |
| 10standard | 161 | Magni, Luca (1869) | Lost 0-2 | -131557 |
| 11standard | 153 | Kiouri, Andreas (1514) | Lost 0-2 | -191538 |
| 12standard | 165 | Brokamp, Lukas (1528) | Won 2-1 | +181556 |
| 13standard | 148 | Lysek, Andrzej (1768) | Won 2-1 | +221578 |
| 14standard | 117 | Borkowski, Robert (1602) | Won 2-1 | +181596 |
| 15standard | 104 | Gallinari, Samuele (1759) | Won 2-1 | +211617 |
| top | average opponent: 1605record: 10-5 | new rating: 1617 | ||
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 133 | Barrass, Sophie (1530) | Won 2-1 | +201462 |
| 2standard | 178 | Rosic, Todor (1615) | Lost 1-2 | -151447 |
| 3standard | 367 | Dobrowolski, Rafal (1418) | Won 2-0 | +171464 |
| 4standard | 181 | Rizhikov, Pavel (1472) | Lost 1-2 | -181446 |
| 5standard | 300 | Gierszewski, Piotr (1603) | Won 2-1 | +211467 |
| 6standard | 268 | Dosch, Dominik (1546) | Lost 1-2 | -161451 |
| 7standard | 349 | Knizewski, Mateusz (1462) | Won 2-0 | +181469 |
| 8standard | 207 | Lehrmann, Lukas (1519) | Won 2-0 | +191488 |
| 9standard | 169 | Pedrakowski, Tomasz (1750) | Won 2-0 | +221510 |
| top | average opponent: 1546record: 6-3 | new rating: 1510 | ||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 18 | Nowacki, Marcin (1500) | Lost 1-2 | -181453 |
| 5standard | 227 | Gerecke, Piet (1517) | Lost 0-2 | -171436 |
| 6standard | 220 | Klimke, Chris (1541) | Won 2-1 | +201456 |
| 7standard | 219 | Lucero, Fabian (1468) | Lost 0-2 | -181438 |
| 8standard | 208 | Sevcik, Lukas (1516) | Won 2-1 | +201458 |
| 9standard | 142 | Ytterborg, Joan (1605) | Lost 1-2 | -161442 |
| top | average opponent: 1524record: 2-4 | new rating: 1442 | ||
| Grand Prix Lyon 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 108 | Bales, Cyrus (1566) | Lost 1-2 | -171483 |
| 3modern | 166 | Belmer, Yann (1473) | Won 2-1 | +181501 |
| 4modern | 147 | Sommen, Pierre (1937) | Lost 1-2 | -101491 |
| 5modern | 197 | Delfino, Marco (1452) | Lost 1-2 | -191472 |
| 6modern | 248 | Azzini, Sebastian (1488) | Won 2-1 | +181490 |
| 7modern | 171 | Kovshikov, Timofey (1448) | Won 2-0 | +171507 |
| 8modern | 152 | Piovan, Jerome (1453) | Lost 0-2 | -191488 |
| 9modern | 133 | Bacci, Mattia (1501) | Lost 1-2 | -171471 |
| top | average opponent: 1540record: 3-5 | new rating: 1471 | ||