Widawski, William
Current rating: 1573
Record: 20-15
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 753 | Sixt, Benedikt (1500) | Won 2-1 | +171554 |
| 2sealed | 836 | Jezierski, Grzegorz (1717) | Lost 0-2 | -151539 |
| 3sealed | 645 | Khovaka, Ievgen (1499) | Lost 0-2 | -181521 |
| 4sealed | 948 | Sayour, Fabio (1519) | Won 2-0 | +181539 |
| 5sealed | 841 | Zuckerman, Eyal (1436) | Won 2-0 | +161555 |
| 6sealed | 586 | De Vareilles, Leonard (1639) | Won 2-1 | +191574 |
| 7sealed | 473 | Ahn, Ei Yong (1528) | Won 2-0 | +171591 |
| 8sealed | 135 | Stratil-Sauer, Niko (1592) | Lost 1-2 | -181573 |
| top | average opponent: 1554record: 5-3 | new rating: 1573 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 125 | Single-Liertz, Banjo (1500) | Lost 0-2 | -191538 |
| 2sealed | 581 | Krystkiewicz, Adam (1546) | Won 2-0 | +181556 |
| 3sealed | 615 | Smithells, Rose (1494) | Won 2-1 | +171573 |
| 4sealed | 530 | Nagy, Ferenc (1560) | Lost 1-2 | -191554 |
| 5sealed | 487 | Nieke, Jonas (1705) | Lost 0-2 | -151539 |
| 6sealed | 632 | Wada, Takahide (1507) | Won 2-0 | +181557 |
| 7sealed | 598 | Exler, Lukas (1393) | Won 2-0 | +151572 |
| 8sealed | 442 | Lau, Garry (1714) | Lost 1-2 | -161556 |
| 9sealed | 492 | Pihlajisto, Ilkka (1494) | Lost 0-2 | -191537 |
| top | average opponent: 1546record: 4-5 | new rating: 1537 | ||
| Grand Prix Paris 2016 (OGW standard) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 205 | Denoyelle, David (1432) | Lost 1-2 | -201525 |
| 2standard | 493 | Auberger, Christophe (1412) | Won 2-0 | +161541 |
| 3standard | 438 | Truong, Victor (1500) | Won 2-0 | +171558 |
| 4standard | 336 | Desax, Conn (1682) | Lost 1-2 | -161542 |
| 5standard | 518 | Lahmiani, Lahcene (1429) | Won 2-1 | +161558 |
| 6standard | 326 | Bobak, Andrzej (1523) | Won 2-1 | +181576 |
| 7standard | 284 | de Groot, Bjorn (1578) | Lost 0-2 | -181558 |
| 8standard | 318 | Ferre, Aurelien (1543) | Won 2-0 | +171575 |
| 9standard | 261 | [anonymous] | Lost 1-2 | -181557 |
| top | average opponent: 1516record: 5-4 | new rating: 1557 | ||
| Grand Prix Paris 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 111 | Gibergues, Fabien (1500) | Won 2-0 | +181518 |
| 2standard | 130 | Miecznikowski, Jedrzej (1614) | Lost 1-2 | -161502 |
| 3standard | 547 | Demay, Nicolas (1466) | Lost 1-2 | -191483 |
| 4standard | 560 | Alla, Stephan (1415) | Won 2-1 | +171500 |
| 5standard | 399 | Nadjarian, Simon (1473) | Won 2-1 | +171517 |
| 6standard | 325 | Grabowski, Alexandre (1520) | Won 2-1 | +181535 |
| 7standard | 301 | Alves, Cedric (1363) | Won 2-0 | +151550 |
| 8standard | 186 | Schuringa, Remco (1330) | Won 2-1 | +141564 |
| 9standard | 135 | Martinelle, Geoffrey (1483) | Lost 0-2 | -191545 |
| top | average opponent: 1463record: 6-3 | new rating: 1545 | ||