Darlan M Antunes Marin,
Current rating: 1478
Record: 4-5
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 15 | Gomes dos Santos, Fabiano (1465) | Won 2-0 | +171517 |
| 2standard | 129 | Coquito Pereira, Pedro Paulo (1483) | Won 2-0 | +181535 |
| 3standard | 16 | Puerta, Omar A (1536) | Won 2-0 | +181553 |
| 4standard | 82 | Horne Mattos, Marcelo (1519) | Lost 0-2 | -191534 |
| 5standard | 73 | Medeiros Merjam, Guilherme (1523) | Lost 1-2 | -181516 |
| 6standard | 184 | Valenzuela, Pablo (1394) | Lost 0-0 | -201496 |
| 7standard | 173 | Rojas, Luis (1483) | Lost 1-2 | -181478 |
| 8standard | 148 | victor fernandes, (1485) | Lost 0-2 | -181460 |
| 9standard | 114 | Gabriel Goncalves De S, (1464) | Won 2-0 | +181478 |
| average opponent: 1484record: 4-5 | new rating: 1478 | |||