Rivas, Mario
Current rating: 1446
Record: 2-5
| Grand Prix Buenos Aires 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 87 | Rodriguez, Jorge (1500) | Won 2-0 | +181518 |
| 2extended | 68 | Quinta, Matheus Chaud (1500) | Lost 0-2 | -181500 |
| 3extended | 69 | Suarez, Federico (1500) | Lost 1-2 | -181482 |
| 4extended | 128 | Camporino, Pablo (1482) | Lost 1-2 | -181464 |
| 5extended | 125 | Abu Arab, Diego (1464) | Lost 1-2 | -181446 |
| 6extended | 141 | Penazzi, Daniel (1446) | Lost 0-2 | -181428 |
| 7extended | 132 | Jolodovsky, Ariel (1446) | Won 2-0 | +181446 |
| average opponent: 1477record: 2-5 | new rating: 1446 | |||