De Manuel Briz, Carlos
Current rating: 1434
| Grand Prix Madrid 2014 (modern) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 234 | Vallejo, Raul (1500) | Lost 0-2 | -171452 |
| 2modern | 709 | [anonymous] | Lost 1-2 | -171435 |
| 3modern | 870 | Acon Vicent, Roberto (1464) | Won 2-1 | +191454 |
| 4modern | 858 | Santos, Armando (1366) | Draw 1-1 | -21452 |
| 5modern | 732 | Franco, Joao Miguel (1482) | Lost 0-2 | -181434 |
| top | average opponent: 1469record: 1-3-1 | new rating: 1434 | ||
| Grand Prix Madrid 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 85 | Lopez, Richie (1446) | Lost 0-2 | -191481 |
| 5sealed | 82 | Caraceni, Lorenzo (1571) | Lost 0-2 | -161465 |
| 6sealed | 183 | Hidalgo, Miguel (1677) | Won 2-0 | +211486 |
| 7sealed | 104 | Hamerlynck, Aaron (1520) | Lost 0-2 | -171469 |
| top | average opponent: 1553record: 1-3 | new rating: 1469 | ||
| Grand Prix Lisbon 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 143 | Alvares, Jose (1500) | Won 2-0 | +181518 |
| 2extended | 18 | Martins, Christopher (1518) | Lost 0-2 | -181500 |
| 3extended | 104 | Vilela, Jose (1501) | Lost 0-2 | -181482 |
| 4extended | 240 | Caetano, Artur (1483) | Lost 1-2 | -181464 |
| 5extended | 276 | Querido, Hugo (1464) | Won 2-1 | +181482 |
| 6extended | 246 | Fernandez, Guillermo (1482) | Won 2-0 | +181500 |
| 7extended | 169 | Pessoa, Ivo (1517) | Won 2-1 | +181518 |
| 8extended | 122 | Frois, Luis (1492) | Lost 1-2 | -181500 |
| top | average opponent: 1495record: 4-4 | new rating: 1500 | ||