Coelho da Silva, Roberto Dantas
Current rating: 1563
Record: 10-6-2
| Grand Prix Sao Paulo 2002 (JUD standard) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 30 | Choji, Cezar (1515) | Won 2-0 | +171569 |
| 3standard | 45 | Yuji Ueda, Adriano (1541) | Won 2-0 | +181587 |
| 4standard | 6 | Abreu, Alex Sandro A. De (1553) | Won 2-0 | +171604 |
| 5standard | 11 | O'Mahoney-Schwartz, Steven (1718) | Lost 0-2 | -161588 |
| 6standard | 30 | Taroshi Fox, Ivan (1444) | Won 2-0 | +161604 |
| 7standard | 23 | Epifanio, Orlando (1556) | ID | 01604 |
| 8standard | 14 | Barbero, Jose (1627) | Lost 0-2 | -181586 |
| 9standard | 25 | Felsberg, Thomas (1450) | Lost 1-2 | -201566 |
| 10standard | 29 | Souza Rodrigues, Tiago (1536) | Lost 0-2 | -191547 |
| 11standard | 29 | Gutierrez, Jose (1506) | Won 2-0 | +171564 |
| 12standard | 26 | Cabrini, Ricardo (1534) | Draw 1-1 | 01564 |
| 13standard | 27 | Scherrer, Gustavo D (1502) | Draw 1-1 | -11563 |
| average opponent: 1540record: 5-4-3 | new rating: 1563 | |||
| Grand Prix Rio de Janeiro 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 106 | Goueia, joao Carlos (1500) | Won 2-0 | +181518 |
| 2sealed | 54 | Taroshi Fox, Ivan (1518) | Won 2-0 | +181536 |
| 3sealed | 2 | Enjamio, Nicolas (1495) | Lost 0-2 | -191517 |
| 4sealed | 64 | Silva Campos, Hueliton (1518) | Won 2-0 | +181535 |
| 5sealed | 49 | Dos Santos, Rafael (1465) | Won 2-1 | +171552 |
| 6sealed | 21 | Stefanin, Orlando (1552) | Lost 0-2 | -181534 |
| 7sealed | 44 | Dos Santos, Thales Lima (1536) | Won 0-0 | +181552 |
| average opponent: 1512record: 5-2 | new rating: 1552 | |||