Walter, Joaquin
Current rating: 1489
Record: 6-7
| Grand Prix Buenos Aires 2008 (SHM standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 84 | ALLENDE, MARTIN (1538) | Won 2-1 | +191501 |
| 4standard | 22 | Cortez, Paulo Ricardo (1500) | Won 2-0 | +181519 |
| 5standard | 19 | La Jara, Luis Alejandro (1554) | Lost 0-2 | -171502 |
| 6standard | 33 | Salvatto, Luis (1554) | Lost 0-2 | -171485 |
| 7standard | 62 | Campana, Rubens (1615) | Won 2-0 | +201505 |
| 8standard | 61 | Wohlers, Renato (1622) | Lost 1-2 | -161489 |
| average opponent: 1564record: 3-3 | new rating: 1489 | |||
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 78 | Petter, Augusto (1500) | Won 2-1 | +181518 |
| 2sealed | 67 | Rodrigues, William (1519) | Won 2-1 | +181536 |
| 3sealed | 46 | Dias, Bruno (1536) | Won 2-0 | +181554 |
| 4sealed | 24 | Ramirez, Lucas (1520) | Lost 1-2 | -191535 |
| 5sealed | 62 | Villela, Artur (1586) | Lost 1-2 | -171518 |
| 6sealed | 79 | Da Cruz Mayer, Rafael (1517) | Lost 1-2 | -181500 |
| 7sealed | 83 | Krulikowski, Guilherme (1500) | Lost 1-2 | -181482 |
| average opponent: 1525record: 3-4 | new rating: 1482 | |||