Martelli, Otavio Augusto
Current rating: 1349
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 81 | Cavalcante, Gabriel (1472) | Lost 0-2 | -161383 |
| 2modern | 376 | Ebel Braga Ramos, Guilherme (1429) | Lost 1-2 | -181365 |
| 3modern | 667 | Costa, Fabio (1464) | Lost 0-2 | -161349 |
| top | average opponent: 1455record: 0-3 | new rating: 1349 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 478 | Rossi Peres Miachon, Thiago (1500) | Lost 1-2 | -161410 |
| 2modern | 572 | Zamboni De Rezende, Diego (1520) | Won 2-0 | +201430 |
| 3modern | 479 | Zigovski, Thiago Pavani (1481) | Won 2-1 | +191449 |
| 4modern | 157 | Oliveira, Guilherme 067 (1501) | Lost 0-2 | -181431 |
| 5modern | 406 | Quaresma, Davi (1436) | Lost 0-2 | -171414 |
| 6modern | 432 | Teves, Vitor (1480) | Lost 1-2 | -171397 |
| 7modern | 406 | Metrebian, Lucas (1469) | Won 2-0 | +191416 |
| 8modern | 358 | Borges, William (1482) | Lost 1-2 | -171399 |
| top | average opponent: 1484record: 3-5 | new rating: 1399 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 242 | Rodrigues, Daniel 2 (1500) | Lost 0-2 | -181482 |
| 2modern | 435 | Heylmann, Henrique (1449) | Lost 0-2 | -191463 |
| 3modern | 524 | Vinicius Camargo Prates, Marcus (1466) | Lost 1-2 | -181445 |
| 4modern | 570 | Toledo Fuganti, Geon (1377) | Lost 0-2 | -191426 |
| top | average opponent: 1448record: 0-4 | new rating: 1426 | ||