Arrostito, Marcos
Current rating: 1552
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 134 | Olive, Pablo (1469) | Won 2-1 | +181502 |
| 2standard | 50 | Zavaleta, Sebastian (1507) | Won 2-1 | +181520 |
| 3standard | 3 | Cabrera, Facundo (1535) | Won 2-1 | +191539 |
| 4standard | 40 | Gayoso, Rodrigo (1546) | Won 2-0 | +181557 |
| 5standard | 24 | Bastard, Juan Pablo (1570) | Lost 0-2 | -181539 |
| 6standard | 22 | Velarde Gallegos, Jose Raul (1696) | Won 2-1 | +211560 |
| 7standard | 29 | Ramirez, Lucas (1641) | Won 2-0 | +191579 |
| 8standard | 14 | Damo da Rosa, Paulo Vitor (2063) | Lost 0-2 | -101569 |
| 9standard | 46 | Pena Vergara, Kevin (1574) | Lost 1-2 | -171552 |
| top | average opponent: 1622record: 6-3 | new rating: 1552 | ||
| Grand Prix Buenos Aires 2014 (BNG standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 117 | Rodriguez, Javier (1665) | Lost 1-2 | -151486 |
| 2standard | 294 | Frotinha, Mateus Amaral (1481) | Lost 1-2 | -181468 |
| 3standard | 412 | Lanzarotti, Esteban (1464) | Won 2-0 | +181486 |
| 4standard | 375 | Araos, Natalia (1480) | Won 2-0 | +181504 |
| 5standard | 248 | Moreno, Jorge (1512) | Lost 0-2 | -181486 |
| 6standard | 308 | Rossini, Sebastian (1362) | Won 2-0 | +161502 |
| 7standard | 199 | Vera, Pablo Cesar (1502) | Lost 1-2 | -181484 |
| 8standard | 210 | Perez, Fernando (1525) | Lost 0-2 | -171467 |
| 9standard | 205 | Torres, Carlos Silverio (1459) | Won 2-0 | +171484 |
| top | average opponent: 1494record: 4-5 | new rating: 1484 | ||
| Grand Prix Buenos Aires 2008 (SHM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 41 | Paredes, Marcos (1500) | Lost 1-2 | -181482 |
| 3standard | 189 | ZAMPARO, GUIDO (1500) | Won 2-1 | +181500 |
| 4standard | 163 | MENOLI, DARIO (1518) | Lost 1-2 | -171483 |
| 5standard | 167 | ZACCONI, MARCIO (1482) | Lost 0-2 | -181465 |
| 6standard | 189 | Gauna, Diego (1484) | Won 2-1 | +181483 |
| 7standard | 151 | BONINO, JORGE FABRICIO (1501) | Won 2-1 | +181501 |
| top | average opponent: 1497record: 3-3 | new rating: 1501 | ||