Guths, Joao
Current rating: 1446
Record: 2-5
| Grand Prix Curitiba 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 72 | Rocha, Eduardo (1500) | Lost 0-2 | -181482 |
| 2extended | 110 | Gouveia, Fabricio (1482) | Won 0-0 | +181500 |
| 3extended | 87 | Alves, Josafa (1499) | Won 2-1 | +181518 |
| 4extended | 77 | Tanaka, Marcos Teruo (1463) | Lost 0-2 | -191499 |
| 5extended | 117 | Mengarda, Elinton (1567) | Lost 0-2 | -171482 |
| 6extended | 130 | Cunha, Marcelo V. (1480) | Lost 0-2 | -181464 |
| 7extended | 122 | Marques, Raphael Suss (1464) | Lost 0-2 | -181446 |
| average opponent: 1494record: 2-5 | new rating: 1446 | |||