Boleta, Guilherme
Current rating: 1524
Record: 8-7-1
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 91 | Fereira, Gomcalo (1500) | Won 2-1 | +181499 |
| 2sealed | 14 | Domingos, Antonio (1597) | Lost 0-2 | -161483 |
| 3sealed | 161 | Guerra, Pedro (1500) | Won 2-0 | +181501 |
| 4sealed | 65 | Gonzalez, Francisco [ESP] (1709) | Lost 0-2 | -141487 |
| 5sealed | 136 | Nunes, Joao (1499) | Draw 1-1 | 01487 |
| 6sealed | 145 | Penedo, Silvio (1498) | Won 2-0 | +181505 |
| 7sealed | 100 | Henriques, Nuno Miguel (1518) | Won 2-1 | +181523 |
| 8sealed | 65 | Boluk, Bilge Kaan (1539) | Won 2-0 | +191542 |
| 9sealed | 44 | Baudois, Guillaume (1538) | Lost 1-2 | -181524 |
| average opponent: 1544record: 5-3-1 | new rating: 1524 | |||
| Grand Prix Porto 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 207 | Fontes, Cristiano (1500) | Won 1-0 | +181518 |
| 2sealed | 93 | Braga, Paulo (1518) | Won 2-0 | +181536 |
| 3sealed | 55 | Fonseca, Claudio (1536) | Lost 1-2 | -181518 |
| 4sealed | 149 | Grilo, Rui (1517) | Lost 0-0 | -181500 |
| 5sealed | 189 | Ferreira, Jose (1500) | Won 2-0 | +181518 |
| 6sealed | 96 | Mariano, Hugo (1437) | Lost 1-2 | -191499 |
| 7sealed | 131 | Leitao, Joao (1499) | Lost 1-2 | -181481 |
| average opponent: 1501record: 3-4 | new rating: 1481 | |||