van der Wal, Stef
Current rating: 1382
Record: 1-8-4
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1425 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 2 | Hernandez Gomollon, David (1625) | Lost 0-0 | -141411 |
| 2standard | 500 | Donovan, Jamie (1537) | Lost 0-0 | -161395 |
| 3standard | 823 | Petreski, Samoil (1640) | Lost 1-2 | -141381 |
| 4standard | 904 | Pavlicek, Jan (1427) | Draw 1-1 | +11382 |
| average opponent: 1557record: 0-3-1 | new rating: 1382 | |||
| Grand Prix Lille 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 494 | BAUDRON, ROMAIN (1500) | Lost 0-2 | -181482 |
| 2legacy | 554 | Bourseau, Guillaume (1430) | Draw 1-1 | -11481 |
| 3legacy | 632 | Vabre, Xavier (1484) | Draw 1-1 | 01481 |
| 4legacy | 689 | Bricquet, Michael (1479) | Lost 1-2 | -181463 |
| 5legacy | 668 | Ledain, Amelie (1464) | Lost 0-1 | -181445 |
| 6legacy | 595 | Launay, Remi (1386) | Lost 1-2 | -191426 |
| 7legacy | 501 | Moittie, Cyril (1388) | Draw 1-1 | -11425 |
| 8legacy | 403 | Antipov, Denis (1408) | Won 2-0 | +181443 |
| 9legacy | 325 | VANMACKELBERG, Maxime (1441) | Lost 1-2 | -181425 |
| average opponent: 1442record: 1-5-3 | new rating: 1425 | |||