Guiret, Jean-francois
Current rating: 1482
Record: 5-6-2
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 276 | Ferrara, Giacomo (1596) | Won 2-0 | +201518 |
| 2standard | 48 | Renevier, Jerome (1524) | Won 2-1 | +181536 |
| 3standard | 71 | Turner, Benjamin (1538) | Lost 1-2 | -181518 |
| 4standard | 252 | Chailloux, Andre (1509) | Lost 0-2 | -181500 |
| 5standard | 280 | Richard, Otto (1516) | Lost 0-2 | -181482 |
| average opponent: 1537record: 2-3 | new rating: 1482 | |||
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 151 | Norton, Matthew [ENG] (1500) | Lost 1-2 | -181482 |
| 2block | 162 | Marsden, Alex (1482) | Draw 1-1 | 01482 |
| 3block | 209 | Lehallier, Guillaume (1461) | Lost 0-2 | -181464 |
| 4block | 256 | Hughes, Gareth (1460) | Won 2-1 | +181482 |
| 5block | 213 | Duignan, Thomas M (1482) | Draw 1-1 | 01482 |
| 6block | 204 | Edwards, Andrew (1433) | Won 0-0 | +171499 |
| 7block | 163 | Calderbank, Mark (1501) | Lost 0-2 | -181481 |
| 8block | 145 | Watson, Duncan (1448) | Won 2-1 | +171498 |
| average opponent: 1471record: 3-3-2 | new rating: 1498 | |||