Castellano, Matias
Current rating: 1645
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 102 | Lobo, Ruben (1586) | Won 2-1 | +191535 |
| 2standard | 85 | Aragon, Claudio Ceferino (1484) | Won 2-0 | +171552 |
| 3standard | 33 | Torino, Matias (1453) | Lost 1-2 | -191533 |
| 4standard | 118 | Contreras, Hugo (1624) | Won 2-1 | +191552 |
| 5standard | 131 | Nunez, Sebastian (1736) | Won 2-0 | +221574 |
| 6standard | 41 | Archangelo, Felipe (1634) | Lost 0-2 | -171557 |
| 7standard | 79 | Feliciani, Damian (1519) | Won 2-1 | +171574 |
| 8standard | 75 | Menendez, Ricardo (1600) | Won 2-0 | +191593 |
| 9standard | 34 | Rizzo, Jonathan (1659) | Won 2-1 | +191612 |
| 10standard | 30 | Ormazabal, Nicolas (1599) | Lost 0-2 | -181594 |
| 11standard | 30 | Balbuena, Marcos (1556) | Won 2-0 | +171611 |
| 12standard | 30 | Torres, Juan Manuel (1585) | Lost 1-2 | -191592 |
| 13standard | 34 | Rodrigues Jorge, Gustavo Henrique (1570) | Won 2-1 | +181610 |
| 14standard | 24 | Farjat, Jair (1568) | Won 2-1 | +171627 |
| 15standard | 21 | Capello, Bruno (1622) | Won 2-1 | +181645 |
| top | average opponent: 1586record: 11-4 | new rating: 1645 | ||
| Grand Prix Buenos Aires 2014 (BNG standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 51 | Rivarola, Francisco (1500) | Lost 0-2 | -181480 |
| 2standard | 355 | Saraiva, Fernando (1482) | Lost 0-2 | -181462 |
| 3standard | 402 | Lin, Andres L (1464) | Won 2-0 | +181480 |
| 4standard | 336 | Bello Leon, Rodrigo Armando (1481) | Lost 0-2 | -181462 |
| 5standard | 370 | Allende, Marino (1464) | Won 2-0 | +181480 |
| 6standard | 287 | Perez, Fernando (1527) | Lost 1-2 | -171463 |
| 7standard | 289 | Blanco, Silvio (1471) | Won 1-0 | +181481 |
| 8standard | 236 | Mallea, Federico (1462) | Won 2-0 | +181499 |
| 9standard | 166 | Albertoni, Dario (1471) | Won 2-0 | +171516 |
| top | average opponent: 1480record: 5-4 | new rating: 1516 | ||
| Grand Prix Buenos Aires 2008 (SHM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 42 | Heredia, Facundo (1500) | Won 2-0 | +181518 |
| 2standard | 118 | PIEDFORT, ENRIQUE (1518) | Lost 1-2 | -181500 |
| 3standard | 211 | WISNER, CRISTIAN (1501) | Won 2-1 | +181518 |
| 4standard | 146 | Ribeiro Rolim, Paulo (1416) | Lost 0-2 | -201498 |
| 5standard | 150 | Ianniciello, Gerardo (1500) | Won 2-1 | +181516 |
| 6standard | 102 | ARIAS, ARIEL (1502) | Won 2-1 | +181534 |
| 7standard | 107 | Yaya, Jeremias J (1523) | Lost 0-2 | -181516 |
| 8standard | 129 | Calonico, Leandro Ezequiel (1520) | Lost 0-2 | -181498 |
| top | average opponent: 1498record: 4-4 | new rating: 1498 | ||