Silbermann Zilberdrut, Joel
Current rating: 1506
Record: 7-5-1 (GP) / 2-5 (professional)
| Pro Tour San Diego 2010 (WWK standard) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 37 | King, Stephen (1850) | Lost 0-2 | -131526 |
| 2standard | 206 | Rein, Daniel (1659) | Lost 0-2 | -151511 |
| 3standard | 177 | Wong, Charles (1459) | Won 2-1 | +171528 |
| 4standard | 117 | Gehring, Lance (1616) | Won 2-1 | +201548 |
| 5standard | 125 | Kennison, Koby (1758) | Lost 0-2 | -151533 |
| 6draft | 97 | van Leeuwen, Arjan (1799) | Lost 0-2 | -131520 |
| 7draft | 39 | Williams, David A (1715) | Lost 0-2 | -141506 |
| top | average opponent: 1694record: 2-5 | new rating: 1506 | ||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 19 | Hayrynen, Andrei (1455) | Won 1-0 | +171537 |
| 4standard | 16 | Martinez, Jose [VEN] (1553) | Won 2-0 | +181555 |
| 5standard | 5 | Quinta, Matheus Chaud (1611) | Won 2-0 | +191574 |
| 6standard | 13 | Pereira, Otavio (1636) | Lost 0-0 | -171557 |
| 7standard | 16 | Basualdo, Exequiel (1557) | Draw 1-1 | 01557 |
| 8standard | 39 | De Sa Bielenki, William (1546) | Lost 1-2 | -181539 |
| top | average opponent: 1559record: 3-2-1 | new rating: 1539 | ||
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 121 | Eduardo M. Alves Santos, Jor (1500) | Won 2-0 | +181518 |
| 2sealed | 41 | dos Santos Passos, Ronei (1557) | Lost 0-2 | -171501 |
| 3sealed | 70 | De Oliveira Py, Denis (1500) | Won 2-0 | +181519 |
| 4sealed | 74 | Monteiro, Marcio (1615) | Won 2-0 | +191538 |
| 5sealed | 57 | Bezzegh, Paulo (1503) | Won 2-0 | +181556 |
| 6sealed | 20 | de Diego, Pedro (1569) | Lost 0-2 | -181538 |
| 7sealed | 50 | Soares, Ubiratan Francamar (1534) | Lost 0-2 | -181520 |
| top | average opponent: 1540record: 4-3 | new rating: 1520 | ||