Marinho Borges, Igor
Current rating: 1513
Record: 7-7-1
| Regional Championships Sao Paulo 2023 (ONE standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 61 | Warzynski, Vitor (1520) | Lost 0-2 | -171448 |
| 2standard | 39 | Pettersen Forattini, Matheus (1585) | Won 2-0 | +201468 |
| 3standard | 47 | William, Frank (1641) | Won 2-1 | +221490 |
| 4standard | 23 | Tiberio, Carlos (1731) | Lost 1-2 | -141476 |
| 5standard | 40 | Batista de Oliveira, Roberto (1511) | Won 2-1 | +181494 |
| 6standard | 55 | Tateishi, Leandro (1452) | Lost 0-2 | -181476 |
| 7standard | 41 | Karim Bueno, Alexandre (1493) | Won 2-1 | +181494 |
| 8standard | 51 | Guerreiro, Matheus (1526) | Won 2-1 | +191513 |
| average opponent: 1557record: 5-3 | new rating: 1513 | |||
| Regional Championships Sao Paulo 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 60 | Caggiano, Joao Ricardo (1462) | Won 2-0 | +171517 |
| 2pioneer | 32 | Celestino, Augustinho (1518) | Lost 0-2 | -181499 |
| 3pioneer | 42 | Rocha, Sidnei (1568) | Lost 1-2 | -161483 |
| 4pioneer | 56 | Lemes, Pedro Guilherme (1489) | Lost 1-2 | -181465 |
| 5pioneer | 79 | Souza Braga, Gabriel (1463) | Won 2-1 | +181483 |
| 6pioneer | 61 | Macedo Mack, Leandro (1491) | Draw 1-1 | 01483 |
| 7pioneer | 56 | Guieiro, Gabriel (1487) | Lost 0-2 | -181465 |
| average opponent: 1497record: 2-4-1 | new rating: 1465 | |||