Wojciak, Michal
Current rating: 1527
Record: 8-7-1
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 329 | Polok, Przemyslaw (1306) | Won 2-1 | +151527 |
| 2sealed | 320 | Hektor, Alexander (1479) | Won 2-0 | +171544 |
| 3sealed | 242 | Barinov, Mikhail (1580) | Lost 0-2 | -181526 |
| 4sealed | 151 | Riabokon, Natalia (1416) | Lost 0-2 | -201506 |
| 5sealed | 252 | Leupold, Kim (1502) | Lost 0-2 | -181488 |
| 6sealed | 315 | Gerecke, Piet (1638) | Won 2-1 | +211509 |
| 7sealed | 373 | Adamus, Ireneusz (1517) | Draw 1-1 | 01509 |
| 8sealed | 381 | Glizniewicz, Piotr (1505) | Won 2-0 | +181527 |
| average opponent: 1493record: 4-3-1 | new rating: 1527 | |||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 237 | Dockal, Martin (1584) | Won 2-0 | +201520 |
| 2sealed | 151 | Puzak, Taras (1518) | Won 2-1 | +181538 |
| 3sealed | 401 | Riabokon, Oleksii (1768) | Won 2-1 | +221560 |
| 4sealed | 14 | Ganz, Andreas (1927) | Won 2-1 | +241584 |
| 5sealed | 97 | Garcia, Miguel (1487) | Lost 1-2 | -201564 |
| 6sealed | 169 | Schwarze, Marius (1796) | Lost 0-2 | -141550 |
| 7sealed | 349 | Tarna, Tuomas (1474) | Lost 0-2 | -191531 |
| 8sealed | 382 | Kurkowski, Andrzej (1495) | Lost 1-2 | -191512 |
| average opponent: 1631record: 4-4 | new rating: 1512 | |||