Sousa Regis Dantas, Marcos
Current rating: 1393
Record: 5-8 (GP) / 0-4 (professional)
| Players Tour Brussels 2020 (pioneer) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 187 | Wu Martin, Eneko (1605) | Lost 1-2 | -161434 |
| 2draft | 8 | Pronik, Dmitrii (1661) | Lost 1-2 | -141420 |
| 3draft | 170 | Aurejac, Alexandre (1744) | Lost 0-2 | -121408 |
| 5pioneer | 138 | Winter, Alex [ENG] (1543) | Lost 0-2 | -151393 |
| top | average opponent: 1638record: 0-4 | new rating: 1393 | ||
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 217 | Matsuno Da Frota, Andre Francisco (1443) | Lost 0-2 | -191448 |
| 2modern | 521 | Blanco, Lourenco (1481) | Won 2-1 | +191467 |
| 3modern | 547 | Ito, Guilherme (1502) | Won 2-1 | +181485 |
| 4modern | 235 | Neves Do Almeida, Carlos Eduardo (1529) | Lost 0-2 | -171468 |
| 5modern | 379 | Machado Silva, Otavio Cesar (1433) | Lost 0-2 | -181450 |
| top | average opponent: 1478record: 2-3 | new rating: 1450 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 91 | Souza, Natanael (1520) | Won 2-1 | +181518 |
| 2modern | 289 | Torrao, Caio (1471) | Lost 0-2 | -181500 |
| 3modern | 304 | Cherete, Ilton (1554) | Won 2-1 | +181518 |
| 4modern | 342 | Reis, Tulio (1570) | Lost 1-2 | -171501 |
| 5modern | 504 | Francisco Da Silva, Felipe (1503) | Lost 0-2 | -181483 |
| 6modern | 461 | Mariano Ferreira, Victor (1482) | Won 2-0 | +181501 |
| 7modern | 339 | Dias Godas, Thiago (1604) | Lost 1-2 | -161485 |
| 8modern | 313 | Pinheiro, Joao Felipe (1448) | Lost 0-2 | -181467 |
| top | average opponent: 1519record: 3-5 | new rating: 1467 | ||