Silva Santos, David
Current rating: 1542
Record: 13-11-1
| Grand Prix London 2003 (Onslaught block) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 10 | vanden Bossche, David (1525) | Lost 0-2 | -181506 |
| 3block | 149 | Salvidio, Roberto (1517) | Won 2-1 | +181524 |
| 4block | 89 | Chanioux, Pierre (1529) | Lost 0-2 | -181506 |
| 5block | 171 | Iskandar, Nik (1502) | Lost 1-2 | -181488 |
| 6block | 172 | Edwards, Tony (1482) | Won 2-0 | +181506 |
| 7block | 136 | Schlechter, Ty (1496) | Won 2-1 | +181524 |
| 8block | 82 | Kearney, Eugene (1520) | Won 2-0 | +181542 |
| top | average opponent: 1510record: 4-3 | new rating: 1542 | ||
| Grand Prix Sao Paulo 2002 (JUD standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 24 | Pessis Carneiro Kern, Robson (1500) | Won 2-1 | +181484 |
| 2standard | 55 | Mendonca, Rafael (1523) | Won 2-0 | +191503 |
| 3standard | 24 | Lima Cardoso, Filipe (1536) | Lost 0-2 | -171486 |
| 4standard | 97 | Fior, Elton (1483) | Lost 0-2 | -181468 |
| 5standard | 85 | Fernando C De Almeida, Diego (1500) | Won 2-0 | +181486 |
| 6standard | 93 | Gastim de Morais Leme, Rafael (1518) | Won 2-0 | +191505 |
| 7standard | 50 | Melgarejo, Juan (1577) | Won 2-1 | +191524 |
| top | average opponent: 1519record: 5-2 | new rating: 1524 | ||
| Grand Prix Curitiba 2001 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 62 | Speranca, Liohan (1500) | Won 2-1 | +181482 |
| 2extended | 60 | Kim, Jong-Won (1501) | Lost 0-0 | -171465 |
| 3extended | 94 | Kunio, Alessandro K. (1500) | Won 2-0 | +181483 |
| 4extended | 84 | Merloto Soave, Fernando (1498) | Draw 1-1 | +11484 |
| 5extended | 86 | Oliveira, Ary (1532) | Lost 0-2 | -181466 |
| 6extended | 107 | Taveira, Luis Felipe (1498) | Won 2-0 | +191485 |
| 7extended | 80 | Gaete, Francisco (1410) | Lost 0-2 | -191466 |
| top | average opponent: 1491record: 3-3-1 | new rating: 1466 | ||
| Grand Prix Rio de Janeiro 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 64 | Ribeiro Junior, Francisco Ca (1500) | Won 2-0 | +181518 |
| 2sealed | 3 | Welte, Alexi (1518) | Lost 0-1 | -181500 |
| 3sealed | 96 | Possato, William (1482) | Lost 1-2 | -181482 |
| 4sealed | 130 | Pereira, Jenunimo (1481) | Lost 1-2 | -181464 |
| top | average opponent: 1495record: 1-3 | new rating: 1464 | ||