Vergnaux, Marc
Current rating: 1480
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 187 | Pryt, Michal (1518) | Won 2-0 | +191491 |
| 3standard | 39 | Luis, Manuel (1563) | Lost 0-2 | -171474 |
| 4standard | 260 | Piroddi, Dario (1494) | Won 2-1 | +191493 |
| 5standard | 129 | Herdzina, Wojciech (1516) | Lost 1-2 | -181475 |
| 6standard | 285 | Demange, Kevin (1564) | Lost 0-2 | -161459 |
| 7standard | 325 | de Bruijn, Nicole (1457) | Won 2-1 | +181477 |
| 8standard | 202 | Wienand, Jonas (1625) | Lost 1-2 | -151462 |
| 9standard | 246 | Talover, Artem (1474) | Won 2-0 | +181480 |
| top | average opponent: 1527record: 4-4 | new rating: 1480 | ||
| Grand Prix Lille 2012 (DKA standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 165 | Bourseau, Guillaume (1500) | Lost 1-2 | -181463 |
| 2standard | 237 | Moreau, Olivier (1532) | Won 2-1 | +191482 |
| 3standard | 210 | Grijs, Jolmer D (1449) | Lost 0-2 | -181464 |
| 4standard | 297 | Yu, Shao-Chi (1512) | Won 2-0 | +191483 |
| 5standard | 210 | Bonhomme, Gabriel (1496) | Won 2-0 | +181501 |
| 6standard | 184 | Jaklovsky, Lukas (1958) | Lost 0-2 | -101491 |
| 7standard | 243 | Debacker, Nicolas (1465) | Lost 0-2 | -191472 |
| 8standard | 221 | Nemeghaire, Julien (1480) | Lost 1-2 | -181454 |
| 9standard | 208 | Sevette, Yann (1448) | Won 2-0 | +181472 |
| top | average opponent: 1538record: 4-5 | new rating: 1472 | ||
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 52 | Brutsche, Stephane (1416) | Draw 1-1 | -21498 |
| 2sealed | 183 | Renoir, Matthieu (1519) | Lost 1-2 | -171481 |
| top | average opponent: 1467record: 0-1-1 | new rating: 1481 | ||