Peixoto De Oliveira Netto, Mario
Current rating: 1564
Record: 9-6-2
| Grand Prix Porto Alegre 2017 (AER standard) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 61 | Fricke, Bruno (1448) | Won 2-0 | +171527 |
| 2standard | 112 | Grubba Olsen, Lauro Emilio (1515) | Lost 1-2 | -181509 |
| 3standard | 218 | Machado, Fernando (1608) | Draw 1-1 | +21511 |
| 4standard | 205 | Patrocinio Lopes, Iago (1436) | Lost 0-2 | -201491 |
| 5standard | 228 | Stathopolos, Julio (1484) | Won 2-0 | +181509 |
| 6standard | 177 | Pauly Fernandes, Francisco (1513) | Won 2-1 | +181527 |
| 7standard | 142 | Elizalde, Victor (1596) | Draw 1-1 | +21529 |
| 8standard | 164 | Peres, Jose Henrique (1486) | Won 2-1 | +171546 |
| 9standard | 124 | Roque, Francisco (1542) | Won 2-0 | +181564 |
| average opponent: 1514record: 5-2-2 | new rating: 1564 | |||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 196 | Stampone Junior, Roberto (1519) | Won 2-0 | +181518 |
| 3standard | 105 | Figeiro Marques, Danie (1500) | Won 2-1 | +181536 |
| 4standard | 113 | Barrientos Ochoa, Sergio (1505) | Won 2-1 | +171553 |
| 5standard | 25 | Olimpio Fonseca dos Santos, Breno (1577) | Lost 0-2 | -171536 |
| 6standard | 91 | Chillon, Cesar (1604) | Lost 1-2 | -171519 |
| 7standard | 151 | dos Santos Vieira, Eduardo (1970) | Won 2-1 | +261545 |
| 8standard | 87 | Bejgel, Henrique (1617) | Lost 1-2 | -171528 |
| 9standard | 156 | Floresta dos Santos, Leandro (1542) | Lost 1-2 | -181510 |
| average opponent: 1604record: 4-4 | new rating: 1510 | |||