Guedes, Jefferson M
Current rating: 1500
Record: 3-3
| Grand Prix Sao Paulo 2002 (JUD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 4 | Inafuko, Fernando Yoshio (1500) | Won 2-0 | +181518 |
| 2standard | 45 | Staut Cavadori, Gustavo (1518) | Won 2-0 | +181536 |
| 3standard | 36 | Mafra Leite, Gustavo (1536) | Lost 1-2 | -181518 |
| 4standard | 61 | Olate Rojas, Carlos P (1502) | Lost 0-2 | -181500 |
| 5standard | 107 | Franco Junior, Cassiano (1517) | Won 2-0 | +181518 |
| 6standard | 84 | Andrade, Eduardo De (1518) | Lost 0-2 | -181500 |
| average opponent: 1515record: 3-3 | new rating: 1500 | |||