Fonseca, Lucas
Current rating: 1442
Record: 2-6-1
| Regional Championships Sao Paulo 2023 (ONE standard) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 12 | Karam, Vinicius (1769) | Lost 0-2 | -121439 |
| 2standard | 48 | Lage Martins, Bruno (1444) | Draw 0-0 | 01439 |
| 3standard | 52 | Pacheco, Ian (1485) | Won 2-0 | +191458 |
| 4standard | 33 | Avena, Pedro (1605) | Lost 0-2 | -161442 |
| average opponent: 1576record: 1-2-1 | new rating: 1442 | |||
| Grand Prix Porto Alegre 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 152 | Basso, Vitor (1484) | Won 2-0 | +181518 |
| 2standard | 7 | Muller, Bruno (1706) | Lost 1-2 | -151503 |
| 3standard | 176 | Lagos, Cristian (1614) | Lost 1-2 | -161487 |
| 4standard | 214 | Ricardo Laurino De Oliveira Pereira, Andre (1482) | Lost 0-2 | -181469 |
| 5standard | 248 | Omielchuk, Roger (1481) | Lost 0-2 | -181451 |
| average opponent: 1553record: 1-4 | new rating: 1451 | |||