Mathieu, Jean Baptiste
Current rating: 1496
Record: 8-8-1 (GP) / 3-5 (professional)
| Grand Prix Genoa 2003 (Onslaught block) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 143 | Bissolino, Giovanni (1768) | Lost 0-2 | -131456 |
| 3block | 150 | Von Kalkstein, Christian (1498) | Won 2-0 | +191475 |
| 4block | 78 | Dolazza, Marco (1431) | Won 2-0 | +171492 |
| 5block | 79 | Kreher, Christian (1314) | Won 2-1 | +151507 |
| 6block | 22 | Colomb, Julien (1795) | Lost 0-2 | -131494 |
| 7block | 78 | Natta, Albert (1523) | Won 2-0 | +191513 |
| 8block | 64 | Huber, Christoph (1555) | Lost 0-2 | -171496 |
| top | average opponent: 1555record: 4-3 | new rating: 1496 | ||
| Grand Prix Reims 2002 (extended) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 55 | Chitel, Arnaud (1478) | Won 2-0 | +191475 |
| 3extended | 118 | Schmitz, Dennis (1678) | Won 2-1 | +221497 |
| 4extended | 61 | Kraft, Rene (1816) | Lost 1-2 | -131484 |
| 5extended | 128 | Muller, Andreas (1623) | Lost 1-2 | -151469 |
| 6extended | 182 | Boistard, Nicolas (1470) | Won 2-0 | +181487 |
| 7extended | 127 | Faure, Jerome (1510) | Lost 0-2 | -181469 |
| top | average opponent: 1596record: 3-3 | new rating: 1469 | ||
| 2000 European Championship (mixed) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 30 | Renko, Andrej (1534) | Won 2-0 | +191501 |
| 2draft | 73 | Barrado, Carlos (1751) | Lost 0-2 | -131488 |
| 3draft | 60 | Tokoli, Zsolt (1446) | Won 1-0 | +171505 |
| 4draft | 46 | Lavoisier, Regis (1661) | Lost 0-2 | -151490 |
| 5draft | 83 | Gunnarsson, Sigurdur Orn (1502) | Lost 0-2 | -181472 |
| 6draft | 102 | Horecki, Tomek Goral (1487) | Won 2-1 | +181490 |
| 7standard | 87 | Kroger, Peer (1549) | Lost 0-2 | -171473 |
| 8standard | 85 | Guilleux, Vincent (1536) | Lost 0-2 | -171456 |
| top | average opponent: 1558record: 3-5 | new rating: 1456 | ||
| Grand Prix Tours 1999 (MMQ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 154 | Hardy, Gregoire (1501) | Lost 0-2 | -181482 |
| 3sealed | 17 | Guillemard, Damien (1500) | Won 2-0 | +181500 |
| 4sealed | 191 | Bonte, Jeremie (1498) | Lost 0-2 | -181482 |
| 5sealed | 185 | Pettifer, Philip (1483) | Draw 1-1 | 01482 |
| top | average opponent: 1496record: 1-2-1 | new rating: 1482 | ||