MAZZINI, LIONEL
Current rating: 1502
Record: 4-4
| Grand Prix Santiago 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 134 | Santamaria, Rodrigo (1428) | Won 2-1 | +171517 |
| 2sealed | 152 | Reyes, Eduardo (1522) | Won 2-0 | +181535 |
| 3sealed | 87 | Champin, Guillermo (1539) | Lost 0-2 | -181517 |
| 4sealed | 97 | Ahumada, Felipe (1683) | Lost 1-2 | -151502 |
| 5sealed | 269 | Maldonado, Nicolas (1470) | Won 2-0 | +171519 |
| 6sealed | 190 | Esquivel, Gonzalo (1517) | Won 2-1 | +181537 |
| 7sealed | 134 | Silva, Frederick (1514) | Lost 0-2 | -181519 |
| 8sealed | 146 | Huerta Gonzalez, Miguel (1588) | Lost 0-2 | -171502 |
| average opponent: 1533record: 4-4 | new rating: 1502 | |||