Riet, Rafael Nascimento
Current rating: 1522
Record: 6-5-1
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 222 | Oliveira Resende Formozo Arantes, Henrique (1500) | Won 2-1 | +181521 |
| 2modern | 26 | dos Santos Prates Junior, Ari (1518) | Won 2-0 | +181539 |
| 3modern | 132 | Teixeira, Adimar (1500) | Lost 1-2 | -191520 |
| 4modern | 111 | Barrera Meza, Carlos (1498) | Draw 1-1 | -11519 |
| 5modern | 160 | Monsalve, Andres (1654) | Won 2-0 | +211540 |
| 6modern | 101 | Freitas Nobre Da Silva, Eduardo (1537) | Lost 0-2 | -181522 |
| average opponent: 1535record: 3-2-1 | new rating: 1522 | |||
| Grand Prix Buenos Aires 2008 (SHM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 16 | Novak, Treicy (1518) | Won 2-0 | +181518 |
| 3standard | 40 | Nagy, Ariel (1519) | Lost 0-2 | -181500 |
| 4standard | 100 | Valencia, Leandro (1511) | Won 2-0 | +191519 |
| 5standard | 106 | van Mourik, Alejandro (1519) | Won 2-0 | +181537 |
| 6standard | 66 | SILVA VELOSO, ALEX (1520) | Lost 0-2 | -191518 |
| 7standard | 74 | Villela, Artur (1653) | Lost 1-2 | -151503 |
| average opponent: 1540record: 3-3 | new rating: 1503 | |||