Rios, Marcelo
Current rating: 1399
Record: 2-8
| Grand Prix Santiago 2001 (Invasion block) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 31 | Galindo, Felipe (1500) | Lost 0-2 | -181449 |
| 2block | 116 | Flores, Mauricio (1482) | Won 2-1 | +191468 |
| 3block | 102 | Yung, Ariel (1500) | Lost 0-2 | -171451 |
| 4block | 120 | Espinosa, Leonardo (1499) | Lost 0-2 | -171434 |
| 5block | 121 | Hochberger, Konrad (1464) | Lost 1-2 | -181416 |
| 6block | 131 | Quinteros, Pablo (1446) | Lost 0-2 | -171399 |
| average opponent: 1482record: 1-5 | new rating: 1399 | |||
| Grand Prix Buenos Aires 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 36 | Saiz, Gerardo Javier (1500) | Lost 0-2 | -181482 |
| 5extended | 45 | Zubiri, Nicolas (1534) | Lost 0-2 | -171465 |
| 6extended | 61 | Scarpa, Juan (1518) | Lost 1-2 | -171448 |
| 7extended | 101 | Rodriguez, Martin (1499) | Won 2-0 | +191467 |
| average opponent: 1513record: 1-3 | new rating: 1467 | |||