Ahumada, Patricio
Current rating: 1562
Record: 6-3
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 32 | Calcagno, Leonardo (1641) | Won 2-1 | +211521 |
| 2standard | 91 | Barrozo, Andre (1482) | Won 2-0 | +171538 |
| 3standard | 309 | Reis, Guilherme (1554) | Lost 0-2 | -181520 |
| 4standard | 171 | Barzola, Juan Pablo (1545) | Lost 1-2 | -171503 |
| 5standard | 234 | Nunez, Sebastian (1514) | Won 2-1 | +181521 |
| 6standard | 129 | Karim, Igor (1519) | Won 2-1 | +181539 |
| 7standard | 72 | Nakazora Abe, Allison (1856) | Won 2-0 | +231562 |
| 8standard | 96 | Oliveira, Raphael (1550) | Won 2-0 | +181580 |
| 9standard | 43 | Carneiro, Elton (1551) | Lost 1-2 | -181562 |
| average opponent: 1579record: 6-3 | new rating: 1562 | |||