Barro Calvo, Guillermo
Current rating: 1517
Record: 4-3
| Grand Prix Florence 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 1 | Duvoisin, Eric (1445) | Won 2-1 | +171517 |
| 3extended | 11 | Pizzirani, Riccardo (1436) | Lost 1-2 | -191498 |
| 4extended | 68 | Bouloc, Yannick (1432) | Lost 1-2 | -201478 |
| 5extended | 175 | Fratini, Andrea (1501) | Lost 1-2 | -171461 |
| 6extended | 156 | Hunziker, Daniel (1484) | Won 2-1 | +181479 |
| 7extended | 139 | Guarino, Massimo (1562) | Won 2-1 | +201499 |
| 8extended | 88 | PALOPOLI, Vincenzo (1518) | Won 2-0 | +181517 |
| average opponent: 1483record: 4-3 | new rating: 1517 | |||