Fonseca, Claudio
Current rating: 1570
Record: 8-5
| Grand Prix Porto 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 128 | Nunes, Sergio (1500) | Won 2-0 | +181518 |
| 2sealed | 91 | Neves, Miguel (1518) | Won 2-0 | +181536 |
| 3sealed | 55 | Boleta, Guilherme (1536) | Won 2-1 | +181554 |
| 4sealed | 27 | Ronaldson, Ben (1822) | Won 0-0 | +231577 |
| 5sealed | 1 | Dobson, Tony (1689) | Won 2-0 | +201597 |
| 6sealed | 2 | Boeken, Noah (1940) | Lost 1-2 | -121585 |
| 7sealed | 15 | Verlinden, Stefaan (1529) | Won 2-0 | +171602 |
| 8rochester | 6 | Ruel, Olivier (1839) | Lost 0-2 | -141588 |
| 9rochester | 19 | Ferreira, Bruno (1484) | Lost 1-2 | -201568 |
| 10rochester | 26 | Bailadeira, Pedro (1553) | Lost 0-2 | -181550 |
| 11rochester | 28 | Lynn, Jamie (1557) | Won 1-0 | +181568 |
| 12rochester | 21 | Hidalgo, Daniel (1628) | Won 2-0 | +191587 |
| 13rochester | 16 | Faustino, Manuel (1620) | Lost 0-2 | -171570 |
| average opponent: 1632record: 8-5 | new rating: 1570 | |||