Boivin, Joel
Current rating: 1279
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1286 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 633 | Warembourg, Romain (1500) | Lost 0-2 | -151271 |
| 2sealed | 977 | Caekebeke, Evert (1515) | Lost 0-2 | -131258 |
| 3sealed | 1027 | Pasquier, Lionel (1464) | Won 2-1 | +211279 |
| top | average opponent: 1493record: 1-2 | new rating: 1279 | ||
| Grand Prix Paris 2008 (ALA limited) | starting rating: 1345 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 730 | Gardeux, Matthieu (1538) | Lost 0-2 | -141331 |
| 2sealed | 833 | Hauchard, Francois (1518) | Lost 0-2 | -151316 |
| 3sealed | 857 | Schembri, Stephen J (1464) | Lost 0-2 | -151301 |
| 4sealed | 883 | Girard, Cedric (1447) | Lost 1-2 | -151286 |
| top | average opponent: 1492record: 0-4 | new rating: 1286 | ||
| Grand Prix Paris 2004 (COK limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 82 | Gracia, Pere (1500) | Lost 0-2 | -171412 |
| 2sealed | 324 | Fillion, Francoire (1482) | Lost 0-2 | -161396 |
| 3sealed | 362 | Coelho, Joao (1591) | Lost 0-2 | -151381 |
| 4sealed | 362 | Olbrich, Volker (1333) | Lost 0-2 | -191362 |
| 5sealed | 310 | Gouilhers, Benoit (1426) | Lost 0-2 | -171345 |
| top | average opponent: 1466record: 0-5 | new rating: 1345 | ||
| Grand Prix Reims 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 108 | Pichot, Thibault (1500) | Won 2-1 | +181518 |
| 2extended | 106 | Otterstatter, Thomas (1575) | Lost 0-2 | -171501 |
| 3extended | 191 | Sousa, Joao (1516) | Lost 0-2 | -181483 |
| 4extended | 320 | CHELLI, Bruno (1486) | Lost 0-2 | -181465 |
| 5extended | 362 | Mocydlarz, Tomasz (1446) | Lost 0-2 | -181447 |
| 6extended | 324 | Lapoujade, Lilian (1445) | Lost 0-2 | -181429 |
| top | average opponent: 1495record: 1-5 | new rating: 1429 | ||