Akira Matsunaga, Rafael
Current rating: 1527
Record: 12-11
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 97 | Rodrigues De Avila Coan, Fernando (1483) | Won 2-0 | +181482 |
| 2modern | 100 | Panice Fernandes, Rafael Martin (1447) | Won 2-1 | +171499 |
| 3modern | 53 | Burghardt Amaral, Caio Sergio (1634) | Lost 0-2 | -151484 |
| 4modern | 167 | Rossi, Matheus (1519) | Won 2-1 | +181502 |
| 5modern | 198 | Nunez Fernandez, Rodrigo Antonio (1586) | Lost 0-2 | -161486 |
| 6modern | 226 | Guimaraes Gurgel, Patrick Diego (1518) | Won 2-0 | +181504 |
| 7modern | 136 | Gomes Junior, Samuel (1536) | Won 2-1 | +191523 |
| 8modern | 68 | Santana, Marcelo (1548) | Won 2-0 | +191542 |
| 9modern | 110 | Drumond, Braulio (1571) | Lost 1-2 | -181524 |
| 10modern | 104 | Costa, Wallace (1524) | Lost 1-2 | -181506 |
| 11modern | 103 | Echevarria, Guzman (1536) | Lost 1-2 | -171489 |
| 12modern | 109 | Gueiroz, Thiago (1517) | Won 2-1 | +181507 |
| 13modern | 90 | Cavassin Jayme, Cassius (1577) | Won 2-0 | +191526 |
| 14modern | 77 | Torrao, Caio (1522) | Won 2-1 | +181544 |
| 15modern | 68 | Bueno D'Avila, Lucas Emanuel (1585) | Lost 1-2 | -171527 |
| average opponent: 1540record: 9-6 | new rating: 1527 | |||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 467 | Mello, Lucas (1500) | Won 2-1 | +181518 |
| 2modern | 116 | Cristo, Cristiano (1511) | Lost 0-2 | -181500 |
| 3modern | 290 | Furtado, Haroldo (1499) | Lost 1-2 | -181482 |
| 4modern | 483 | De Almeida, Diego (1465) | Lost 1-2 | -181464 |
| 5modern | 507 | Lemos, Nelson (1463) | Won 2-0 | +181482 |
| 6modern | 388 | Heringer Dos Santos Goes, Igor (1482) | Lost 1-2 | -181464 |
| 7modern | 414 | Ribeiro, Diego (1466) | Won 2-0 | +181482 |
| 8modern | 328 | Pinheiro, Joao Felipe (1480) | Lost 1-2 | -181464 |
| average opponent: 1483record: 3-5 | new rating: 1464 | |||