Miyamoto, Marcio Hiroyuki
Current rating: 1560
Record: 20-17-1
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 369 | Leite Rodrigues, Fernando Henrique (1500) | Won 2-0 | +171588 |
| 2modern | 257 | Waquil, Caio (1518) | Won 2-1 | +171605 |
| 3modern | 210 | Amaral, Arthur (1542) | Won 2-1 | +161621 |
| 4modern | 56 | Monteiro, Rodrigo (1518) | Lost 1-2 | -191602 |
| 5modern | 230 | Lanzi, Mariano (1648) | Lost 1-2 | -181584 |
| 6modern | 180 | Furlan, Erico (1517) | Won 2-0 | +171601 |
| 7modern | 189 | Godoy Junior, Celso Antonio (1443) | Lost 0-2 | -211580 |
| 8modern | 250 | Gullyt Cardoso, Rafael (1460) | Lost 0-2 | -201560 |
| top | average opponent: 1518record: 4-4 | new rating: 1560 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 20 | Murga Fonseca, Daniel (1500) | Won 2-1 | +181528 |
| 2modern | 202 | Fagundes, Josejane (1674) | Lost 1-2 | -161512 |
| 3modern | 395 | Metrebian, Lucas (1500) | Won 2-1 | +181530 |
| 4modern | 218 | Cifuentes, Andres (1554) | Won 2-1 | +181548 |
| 5modern | 165 | Capozzoli, Roberto (1363) | Won 2-1 | +151563 |
| 6modern | 121 | Barboni, Antonio Rafael (1556) | Won 2-0 | +181581 |
| 7modern | 34 | Martinello da Costa, Paulo Henrique (1778) | Lost 0-2 | -141567 |
| 8modern | 113 | Dassie, Marcio (1543) | Won 2-1 | +171584 |
| 9modern | 68 | Ricci, Caio (1593) | Won 2-0 | +181602 |
| 10modern | 53 | Alves Pellegrini, Felipe (1799) | Lost 0-2 | -141588 |
| 11modern | 86 | Magalhaes, Marcus (1601) | Lost 1-2 | -181570 |
| 12modern | 82 | Damasceno, Joaquim (1698) | Lost 0-2 | -161554 |
| 13modern | 100 | Fernandes do Valle, Mateus (1508) | Lost 1-2 | -181536 |
| 14modern | 94 | Cavassin Jayme, Cassius (1557) | Won 2-1 | +181554 |
| 15modern | 84 | Agorreto, Luka (1513) | Won 2-0 | +171571 |
| top | average opponent: 1582record: 9-6 | new rating: 1571 | ||
| Grand Prix Porto Alegre 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 98 | Dos Anjos, Mateus (1728) | Lost 1-2 | -131487 |
| 3standard | 205 | Barciella, Francisco (1535) | Lost 0-2 | -181469 |
| 4standard | 208 | De Albuquerque Frassy, Gabriel (1470) | Won 2-0 | +181487 |
| 5standard | 167 | Nunes, Conrado (1500) | Won 2-1 | +191506 |
| 6standard | 156 | Camargo, Murilo (1600) | Won 2-0 | +191525 |
| 7standard | 114 | Coraiola, Gustavo (1553) | Lost 1-2 | -171508 |
| 8standard | 102 | Cabrini, Ricardo (1638) | Won 2-1 | +201528 |
| 9standard | 79 | Aurelio, Marco (1505) | Lost 0-2 | -181510 |
| top | average opponent: 1566record: 4-4 | new rating: 1510 | ||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 498 | Macola Pacheco Barbosa, Abner (1500) | Won 2-0 | +181518 |
| 2standard | 162 | Citti, Luan (1518) | Won 2-1 | +181536 |
| 3standard | 49 | Souza, Amaury (1577) | Draw 1-1 | +11537 |
| 4standard | 130 | Mathias Simm, Carlos (1536) | Lost 1-2 | -181519 |
| 5standard | 264 | Moraes, Antonio (1517) | Won 2-0 | +181537 |
| 6standard | 171 | Lagos, Cristian (1565) | Lost 0-1 | -181519 |
| 7standard | 256 | Da Silva, Guilherme Henrique (1474) | Lost 1-2 | -191500 |
| top | average opponent: 1527record: 3-3-1 | new rating: 1500 | ||