Lagas, Joost
Current rating: 1495
Record: 6-7-1
| Grand Prix London 2003 (Onslaught block) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 118 | Groothuizen, Matthijs (1500) | Won 2-0 | +191484 |
| 2block | 91 | Hawkins, Jadon (1517) | Won 2-0 | +181502 |
| 3block | 28 | Ruel, Olivier (1802) | Won 2-0 | +241526 |
| 4block | 12 | Ostrovich, Diego (1831) | Lost 1-2 | -131513 |
| 5block | 72 | Pickett, Ollie (1535) | Won 2-0 | +191532 |
| 6block | 47 | Willoughby, Tim (1512) | Lost 1-2 | -191513 |
| 7block | 78 | Vickers, Jonathan (1518) | Lost 0-2 | -181495 |
| average opponent: 1602record: 4-3 | new rating: 1495 | |||
| Grand Prix Antwerp 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 188 | Geerdink, Bas (1557) | Won 2-0 | +191519 |
| 2sealed | 106 | Oostveen, Arno (1518) | Lost 0-2 | -181501 |
| 3sealed | 218 | van der Kolk, Alexande (1499) | Won 2-0 | +181519 |
| 4sealed | 125 | Kooistra, Frederik (1483) | Lost 0-2 | -191500 |
| 5sealed | 181 | Mineau, Emerick (1546) | Lost 0-2 | -171483 |
| 6sealed | 164 | Brinks, Eric (1486) | Draw 1-1 | 01483 |
| 7sealed | 146 | Basten, Twan (1482) | Lost 0-2 | -181465 |
| average opponent: 1510record: 2-4-1 | new rating: 1465 | |||