Kosciolek, Tomasz
Current rating: 1489
Record: 5-6
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 85 | Raffestin, Stephane (1500) | Won 2-0 | +191500 |
| 2sealed | 23 | Pacheco, Alberto (1518) | Lost 1-2 | -181482 |
| 3sealed | 218 | Kowalski, Nicolas (1475) | Lost 0-2 | -181464 |
| 4sealed | 307 | Thevenin, Stephane (1583) | Won 2-1 | +201484 |
| 5sealed | 229 | Anes, Emmanuel (1505) | Won 2-1 | +181502 |
| 6sealed | 174 | Layne, Josh (1766) | Lost 0-2 | -131489 |
| average opponent: 1558record: 3-3 | new rating: 1489 | |||
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Pemberton, Phil (1500) | Lost 1-2 | -181482 |
| 2sealed | 222 | Doropoulos, Konstantinos (1396) | Won 2-0 | +161498 |
| 3sealed | 210 | Photiou, Andreas (1502) | Won 2-0 | +191517 |
| 4sealed | 180 | Moate, Matthew (1484) | Lost 0-2 | -191498 |
| 5sealed | 211 | Jenkins, Ross (1577) | Lost 0-2 | -171481 |
| average opponent: 1492record: 2-3 | new rating: 1481 | |||