Blaszkowski, David
Current rating: 1395
Record: 2-8
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 751 | Heylens, Benoit (1498) | Lost 0-2 | -171411 |
| 2sealed | 974 | Vlaminck, David (1381) | Won 2-1 | +181429 |
| 3sealed | 818 | Cadinot, Julien (1514) | Lost 1-2 | -171412 |
| 4sealed | 935 | Hromadka, Petr (1465) | Lost 0-2 | -171395 |
| average opponent: 1465record: 1-3 | new rating: 1395 | |||
| Grand Prix Lille 2005 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 474 | Sevette, Yann (1500) | Lost 0-2 | -181482 |
| 2legacy | 497 | Lagrange, Stephane (1482) | Lost 0-2 | -181464 |
| 3legacy | 527 | Gerards, Remco (1451) | Lost 0-2 | -181446 |
| 4legacy | 536 | Gonnet, Sebastien (1445) | Lost 0-2 | -181428 |
| 5legacy | 533 | Sallecroix, Roger (1429) | Won 2-0 | +181446 |
| 6legacy | 506 | Timmins, Guillaume (1446) | Lost 0-2 | -181428 |
| average opponent: 1459record: 1-5 | new rating: 1428 | |||