Pellegrino Trefiglio, Ivan
Current rating: 1468
Record: 8-10
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 404 | Lisboa, Fernando (1501) | Lost 1-2 | -181487 |
| 2modern | 469 | Scasserra, Alejandro Tomas (1489) | Lost 1-2 | -181469 |
| 3modern | 603 | Acchetta, Dalton (1465) | Lost 1-2 | -181451 |
| 4modern | 677 | Neto, Darci (1447) | Won 2-1 | +181469 |
| 5modern | 606 | Tremanti, Arthur (1466) | Won 2-0 | +181487 |
| 6modern | 413 | Alves Monteiro, Rafael (1447) | Lost 0-2 | -191468 |
| average opponent: 1469record: 2-4 | new rating: 1468 | |||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 357 | Pinheiro Ataliba Torquato De Souza, Yuri (1500) | Lost 1-2 | -181482 |
| 2modern | 420 | Lemos, Nelson (1481) | Won 2-0 | +181500 |
| 3modern | 442 | Martins, Daniel3069 (1482) | Won 2-1 | +181518 |
| 4modern | 212 | Amaral De Silva, Leonardo (1581) | Won 2-0 | +191537 |
| 5modern | 211 | Cifuentes, Andres (1614) | Won 2-0 | +191556 |
| 6modern | 99 | Pereira, Leandro (1592) | Lost 0-2 | -171539 |
| 7modern | 168 | Alexandre Sa Antunes Da Silva, Carlos (1540) | Won 2-1 | +181557 |
| 8modern | 120 | das Dores, Abner (1534) | Lost 0-2 | -191538 |
| 9modern | 146 | Rossello Lima, Luis Felippe (1668) | Won 2-1 | +211559 |
| 10modern | 137 | Rodrigues Silva Borges, Rene (1573) | Lost 0-2 | -181541 |
| 11modern | 131 | Rogieri Caffaro, Rene (1538) | Lost 0-2 | -181523 |
| 12modern | 145 | Lombardo, Caio (1521) | Lost 1-2 | -181505 |
| average opponent: 1552record: 6-6 | new rating: 1505 | |||