De Abreu Costa, Thiago
Current rating: 1483
Record: 17-19
| Grand Prix Sao Paulo 2019 (2) (ELD standard) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| A2standard | 15 | Catalan, Ariel (1666) | Won 2-0 | +211529 |
| A3standard | 52 | Magalhaes, Breno (1714) | Won 2-1 | +211550 |
| A4standard | 26 | Jaudy, Tulio (1802) | Lost 0-2 | -131537 |
| A5standard | 49 | Campos, Eugenio (1547) | Lost 1-2 | -181519 |
| A6standard | 52 | Aguirre, Andres (1534) | Lost 1-2 | -181501 |
| A7standard | 71 | Cardim Moura, Jose Victor (1494) | Lost 0-2 | -181483 |
| top | average opponent: 1626record: 2-4 | new rating: 1483 | ||
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 13 | Lemos, Bruno (1500) | Won 2-1 | +171591 |
| 2modern | 130 | Assis De Moraes Foger, Lucas (1500) | Lost 0-2 | -201571 |
| 3modern | 421 | Esteves De Andrade, Gustavo (1435) | Lost 0-2 | -201551 |
| 4modern | 448 | Rossello, Alejandro (1480) | Won 2-1 | +171568 |
| 5modern | 344 | Inoue, Fabio (1394) | Lost 0-2 | -221546 |
| 6modern | 413 | Souza Junior, Eduardo Cesare (1486) | Lost 0-2 | -191527 |
| 7modern | 400 | Hideki Honda, Rodrigo (1463) | Lost 0-2 | -191508 |
| top | average opponent: 1465record: 2-5 | new rating: 1508 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 327 | Pontes, Israel (1537) | Won 2-0 | +181510 |
| 3modern | 114 | Silva Soares, Willians (1503) | Won 2-0 | +181528 |
| 4modern | 29 | De Olinda Pereira Filho, Adones (1554) | Won 2-0 | +191547 |
| 5modern | 57 | Alves, Guilherme (1527) | Lost 1-2 | -191528 |
| 6modern | 46 | Da Costa Figueiredo, Daniel (1555) | Lost 1-2 | -171511 |
| 7modern | 160 | Caminha Manzano, Andre Luiz (1556) | Won 2-1 | +191530 |
| 8modern | 98 | De Souza Junior, Francisco Carlos (1557) | Won 2-1 | +181548 |
| 9modern | 77 | Rodrigues, Allan (1551) | Lost 1-2 | -181530 |
| 10modern | 81 | da Silva Pantoja, Elias (1637) | Won 2-0 | +201550 |
| 11modern | 62 | Saur, Vitor (1691) | Won 2-1 | +211571 |
| 12modern | 50 | Amorim, Rodrigo (1701) | Won 2-1 | +201591 |
| 13modern | 29 | Marins, Luiz (1632) | Lost 0-2 | -171574 |
| 14modern | 65 | Bastos Vilela, Pablo (1607) | Lost 1-2 | -181556 |
| 15modern | 60 | Arizcuren, Franco Inaki (1546) | Won 2-1 | +181574 |
| top | average opponent: 1582record: 9-5 | new rating: 1574 | ||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 51 | Rosenberg, Nelson (1500) | Lost 0-2 | -181482 |
| 2modern | 239 | Antunes Rubert, Jeferson (1482) | Won 2-1 | +181500 |
| 3modern | 209 | Tostes Lemos, Rodolfo (1500) | Lost 1-2 | -181482 |
| 4modern | 269 | Vega Parra, Francisco (1577) | Won 2-0 | +201502 |
| 5modern | 284 | Esper Berthoud, Lucas (1818) | Lost 1-2 | -131489 |
| 6modern | 273 | Camargo, Lucas (1483) | Won 2-0 | +181507 |
| 7modern | 183 | Lehmen, Roberto (1502) | Won 2-0 | +181525 |
| 8modern | 152 | Azevedo, Bruno (1551) | Lost 1-2 | -171508 |
| 9modern | 137 | Rottmann, Kurt (1620) | Lost 1-2 | -161492 |
| top | average opponent: 1559record: 4-5 | new rating: 1492 | ||