Perez, Benjamin
Current rating: 1555
Record: 15-11-4
| Grand Prix Madrid 2010 (legacy) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1049 | Guerrero Diaz, Fernando (1508) | Draw 1-1 | -11559 |
| 2legacy | 983 | Carvalho, Ruben (1482) | Won 2-0 | +161575 |
| 3legacy | 849 | Andrieu, Thibault (1554) | Lost 0-2 | -181557 |
| 4legacy | 1030 | Moral Elagua, Diego (1501) | Won 2-1 | +171574 |
| 5legacy | 959 | Lysek, Andrzej (1538) | Lost 1-2 | -191555 |
| top | average opponent: 1517record: 2-2-1 | new rating: 1555 | ||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 440 | Costa, Ricardo (1446) | Draw 1-1 | -21568 |
| 2sealed | 357 | De Aro, Rafael (1500) | Won 2-1 | +171585 |
| 3sealed | 177 | Urena, Fernando (1516) | Won 2-0 | +161601 |
| 4sealed | 124 | Bohm, Peter (1535) | Lost 0-2 | -191582 |
| 5sealed | 234 | Fernandez, Sergio (1521) | Lost 0-2 | -191563 |
| 6sealed | 319 | Crespo Molera, Enrique (1481) | Won 2-0 | +171580 |
| 7sealed | 223 | Diaz, Ricardo [ESP] (1572) | Lost 0-2 | -191561 |
| 8sealed | 215 | Agullo Fenoll, Pablo (1516) | Won 2-0 | +181579 |
| 9sealed | 147 | Heyne, Eric (1536) | Lost 0-2 | -191560 |
| top | average opponent: 1514record: 4-4-1 | new rating: 1560 | ||
| Grand Prix Lisbon 2002 (extended) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 246 | Silva, Nuno (1500) | Won 2-1 | +171553 |
| 2extended | 68 | Caseiro, Rodrigo (1518) | Lost 0-2 | -181535 |
| 3extended | 197 | Castrillo, Jorge (1551) | Lost 1-2 | -181517 |
| 4extended | 271 | Santos, Fabio (1482) | Won 2-0 | +171534 |
| 5extended | 228 | da Trindade, Joao (1501) | Won 2-0 | +181552 |
| 6extended | 173 | Duarte, Joao 9758 (1516) | Won 2-1 | +171569 |
| 7extended | 67 | Pombo, Pedro (1536) | Won 2-0 | +171586 |
| 8extended | 63 | Sagol, Omar (1680) | Lost 0-2 | -161570 |
| top | average opponent: 1536record: 5-3 | new rating: 1570 | ||
| Grand Prix Biarritz 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Robert, Laurent (1499) | Draw 1-1 | 01500 |
| 2sealed | 133 | Berard, Martial (1492) | Draw 1-1 | 01500 |
| 3sealed | 190 | Agliany, Antonin (1528) | Won 2-0 | +181518 |
| 4sealed | 147 | Tregaro, Thierry (1522) | Lost 0-2 | -181500 |
| 5sealed | 190 | Place, Olivier (1500) | Won 2-0 | +181518 |
| 6sealed | 143 | Giraudel, Jacques (1518) | Won 2-0 | +181536 |
| 7sealed | 103 | Veries, Jef (1537) | Lost 1-2 | -181518 |
| 8sealed | 121 | Faure, Jerome (1486) | Won 2-0 | +181536 |
| top | average opponent: 1510record: 4-2-2 | new rating: 1536 | ||