Sobora, Maciej
Current rating: 1612
Record: 18-16-1
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 112 | Pogorelov, Valeriy (1516) | Won 2-0 | +161604 |
| 3sealed | 261 | Day, Joshua (1455) | Won 2-0 | +161620 |
| 4sealed | 49 | Grimmer, Jasper (1991) | Lost 1-2 | -121608 |
| 5sealed | 388 | Starek, Jan (1540) | Lost 0-2 | -191589 |
| 6sealed | 286 | Kocsis, Gabor (1790) | Won 2-1 | +211610 |
| 7sealed | 379 | Rosi, Giovanni (1681) | Won 2-1 | +201630 |
| 8sealed | 258 | Grabowski, Alexandre (1629) | Lost 0-2 | -181612 |
| top | average opponent: 1657record: 4-3 | new rating: 1612 | ||
| Grand Prix Warsaw 2017 (XLN standard) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 91 | Frnka, Roman (1590) | Won 2-1 | +201527 |
| 3standard | 307 | Passaris, Nikolaos (1569) | Lost 0-2 | -171510 |
| 4standard | 284 | Marek, Krzysztof (1695) | Won 2-1 | +211531 |
| 5standard | 225 | Pettersson, Tobias (1625) | Won 2-1 | +201551 |
| 6standard | 73 | Patey, Will (1562) | Won 2-0 | +181569 |
| 7standard | 89 | Brozek, Jan (1854) | Won 2-0 | +231592 |
| 8standard | 56 | Massmann, Marcel (1606) | Won 2-0 | +181610 |
| 9standard | 22 | Vooys, Kurt (1766) | Won 2-0 | +211631 |
| 10standard | 14 | Brucker, David (1964) | Lost 0-2 | -121619 |
| 11standard | 35 | Montefiori, Giovanni (1787) | Won 2-0 | +211640 |
| 12standard | 29 | Boucek, Jaroslav (2067) | Lost 0-2 | -111629 |
| 13standard | 35 | Larsson, Joel (2026) | Lost 0-2 | -111618 |
| 14standard | 50 | Muller, Lucas (1617) | Lost 1-2 | -181600 |
| 15standard | 78 | Anghelescu, Jonathan (1905) | Lost 1-2 | -121588 |
| top | average opponent: 1759record: 8-6 | new rating: 1588 | ||
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 185 | Grieger, Stefan (1763) | Lost 1-2 | -131478 |
| 4standard | 274 | Kubiak, Piotr (1517) | Won 2-1 | +181496 |
| 5standard | 167 | Vefa, Yusuf Kemal (1734) | Lost 1-2 | -131483 |
| 6standard | 242 | Gruber, Klaas (1577) | Won 2-0 | +191502 |
| 7standard | 149 | Larsson, Jonatan (1688) | Draw 1-1 | +41506 |
| 8standard | 186 | Patek, Matous (1542) | Won 2-1 | +181524 |
| 9standard | 125 | Gorniak, Mariusz (1578) | Lost 0-2 | -171507 |
| top | average opponent: 1628record: 3-3-1 | new rating: 1507 | ||
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 24 | Ciemiega, Maciej (1476) | Lost 1-2 | -181482 |
| 4standard | 316 | Been, Iso (1896) | Won 2-1 | +251507 |
| 5standard | 196 | Glasner, Richard (1413) | Won 2-1 | +161523 |
| 6standard | 146 | Wahlgren, Joar (1553) | Won 2-1 | +191542 |
| 7standard | 85 | Schaller, Christian (1580) | Lost 1-2 | -181524 |
| 8standard | 126 | Kondrk, Marcel (1647) | Lost 0-2 | -161508 |
| 9standard | 184 | Siniarski, Lukasz (1534) | Lost 1-2 | -171491 |
| top | average opponent: 1585record: 3-4 | new rating: 1491 | ||