Carvallo Ossa, Tomas
Current rating: 1402
Record: 8-15-3
| Regional Championships Santiago 2023 (ONE standard) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 60 | Gallardo Carlino, Sebastian (1451) | Won 2-0 | +191442 |
| 2standard | 29 | Pozzo, Sebastian (1917) | Lost 0-2 | -101432 |
| 3standard | 1 | Escalante, Paulo (1526) | Lost 0-2 | -161416 |
| 4standard | 17 | Toledo Diaz, Sebastian Antonio (1476) | Won 2-1 | +191435 |
| 5standard | 34 | Saldias, Matias (1505) | Lost 1-2 | -171418 |
| 6standard | 38 | Sutter, Emanuel (1500) | Lost 0-2 | -161402 |
| top | average opponent: 1563record: 2-4 | new rating: 1402 | ||
| Grand Prix Santiago 2017 (AKH standard) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 180 | Lucero, Andres (1473) | Won 2-1 | +181476 |
| 2standard | 30 | Grotto, Pablo (1497) | Won 2-1 | +191495 |
| 3standard | 70 | Ruiz Duque, Ricardo (1505) | Lost 0-2 | -181477 |
| 4standard | 222 | Arias, Diego (1516) | Lost 1-2 | -181459 |
| 5standard | 209 | Rosenmann, Thiago (1470) | Lost 0-2 | -171442 |
| 6standard | 276 | Canalejo, Leonardo (1436) | Lost 0-2 | -191423 |
| top | average opponent: 1483record: 2-4 | new rating: 1423 | ||
| Grand Prix Santiago 2016 (KLD standard) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 6 | Aguillon Perez, Nicolas (1498) | Draw 1-1 | +11451 |
| 2standard | 184 | Rios, Ignacio (1499) | Lost 1-2 | -171434 |
| 3standard | 314 | Thompson, Christian (1410) | Lost 0-2 | -191415 |
| 4standard | 337 | Davagnino, Christian (1466) | Won 2-0 | +191434 |
| 5standard | 290 | Venancio, Adrien (1481) | Won 2-0 | +191453 |
| 6standard | 227 | Gutierrez, Alvaro (1501) | Won 2-0 | +191472 |
| 7standard | 167 | Parraga, Michael (1581) | Lost 0-2 | -161456 |
| 8standard | 201 | Del Solar, Fabian (1501) | Won 0-0 | +191475 |
| 9standard | 152 | Catalan, Danilo (1532) | Lost 1-2 | -171458 |
| top | average opponent: 1497record: 4-4-1 | new rating: 1458 | ||
| Grand Prix Santiago 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 121 | Forcadell, David (1758) | Lost 0-2 | -131487 |
| 2sealed | 251 | Pelegrin, Alberto (1482) | Lost 1-2 | -181469 |
| 3sealed | 341 | Albornoz, Leandro (1464) | Draw 1-1 | -11468 |
| 4sealed | 341 | Castillo, Cristian (1464) | Draw 1-1 | 01468 |
| 5sealed | 314 | Ramirez Moyano, Maximiliano (1451) | Lost 0-2 | -181450 |
| top | average opponent: 1524record: 0-3-2 | new rating: 1450 | ||