Mayo Peixoto, Renan
Current rating: 1453
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 474 | Guidotti, Ricardo (1500) | Lost 0-2 | -181470 |
| 2modern | 387 | Akira Ogashawara, Bruno (1483) | Lost 0-2 | -181452 |
| 3modern | 499 | Resende Moreira, Rodrigo (1464) | Lost 0-2 | -181434 |
| 4modern | 553 | Neto, Amaury (1447) | Won 2-0 | +191453 |
| 5modern | 548 | Carvalho Pereira, Luiz Paulo (1406) | Won 2-1 | +171470 |
| 6modern | 416 | De Almeida, Diego (1466) | Won 2-0 | +181488 |
| 7modern | 367 | Domene, Luccas (1506) | Lost 1-2 | -181470 |
| 8modern | 333 | Hespanhol Rodrigues, Vinicius (1532) | Lost 0-2 | -171453 |
| top | average opponent: 1475record: 3-5 | new rating: 1453 | ||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 115 | Costa da Cruz, Thiago (1500) | Lost 1-2 | -181508 |
| 2standard | 379 | Felix Borin, Wilson (1482) | Lost 1-2 | -191489 |
| 3standard | 559 | Kopke, Leandro (1463) | Won 2-0 | +181507 |
| 4standard | 458 | Prevido, Andrei (1448) | Lost 0-2 | -191488 |
| top | average opponent: 1473record: 1-3 | new rating: 1488 | ||
| Grand Prix Santiago 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 91 | Ocampo, Rodolfo (1655) | Lost 0-2 | -151485 |
| 4standard | 199 | Zah, Adrian (1761) | Lost 1-2 | -131472 |
| 5standard | 166 | Hayashi, Taizo (1508) | Won 2-0 | +181490 |
| 6standard | 114 | Almeida, Jose (1455) | Won 2-0 | +181508 |
| 7standard | 67 | Barros, Fernando (1471) | Lost 0-2 | -191489 |
| 8standard | 120 | Baldeon, Alexis (1515) | Won 2-1 | +191508 |
| 9standard | 76 | Navarro, Ignacio (1537) | Won 2-1 | +181526 |
| top | average opponent: 1557record: 4-3 | new rating: 1526 | ||