Groux, Marcel
Current rating: 1538
Record: 11-9
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 102 | Nuno, Clife (1500) | Won 2-0 | +181534 |
| 2sealed | 143 | Dores, Pedro (1618) | Won 2-1 | +191553 |
| 3sealed | 60 | Lemoine, Vincent (1701) | Lost 1-2 | -151538 |
| 4sealed | 139 | Serrano Rodriguez, Rafael (1517) | Won 2-0 | +181556 |
| 5sealed | 68 | Eiro, David (1539) | Won 2-1 | +171573 |
| 6sealed | 41 | Oliveira, Goncalo (1558) | Won 2-0 | +181591 |
| 7sealed | 13 | Catarino, Andre (1592) | Won 2-1 | +181609 |
| 8sealed | 7 | Lemos, Pedro 2 (1596) | Lost 1-2 | -181591 |
| 9sealed | 26 | Sanchez, Jesus (1589) | Won 2-1 | +181609 |
| 10draft | 51 | Loeb, Davy (1799) | Lost 1-2 | -151594 |
| 11draft | 13 | Queiroz, Artur (1612) | Lost 1-2 | -171577 |
| 12draft | 52 | Sanchez Cabaneros, Lluis (1550) | Lost 1-2 | -191558 |
| 13draft | 58 | Chaves Puente, Rafael (1472) | Lost 0-2 | -201538 |
| average opponent: 1588record: 7-6 | new rating: 1538 | |||
| Grand Prix Zurich 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 57 | Ziegler, Franz (1500) | Won 2-0 | +181518 |
| 2block | 49 | Sele, Yves (1445) | Lost 0-2 | -191499 |
| 3block | 235 | Lontri, Andrea (1483) | Won 2-0 | +171516 |
| 4block | 126 | Conti, Christian (1489) | Won 2-1 | +181534 |
| 5block | 131 | Sury, Zdenek (1534) | Won 2-1 | +181552 |
| 6block | 28 | Sjoblom, Max (1558) | Lost 0-2 | -181534 |
| 7block | 100 | Schwerz, Robert (1537) | Lost 0-2 | -181516 |
| average opponent: 1506record: 4-3 | new rating: 1516 | |||