Ferreira Diniz, Guilherme
Current rating: 1561
Record: 18-15
| Grand Prix Sao Paulo 2019 (2) (ELD standard) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| B2standard | 74 | Cartasso, Anibal (1595) | Won 2-0 | +191563 |
| B3standard | 59 | Rossello Lima, Luis Felippe (1590) | Lost 1-2 | -181545 |
| B4standard | 93 | Azevedo, Luan (1399) | Lost 0-0 | -211524 |
| B5standard | 79 | Schmidt, Albano Francisco (1415) | Won 2-1 | +161540 |
| B6standard | 52 | De Castro, Paulo Henrique (1481) | Won 2-0 | +171557 |
| B7standard | 44 | Pineiro, Carlos (1510) | Won 2-1 | +181575 |
| B8standard | 42 | Alves Pellegrini, Felipe (1819) | Lost 1-2 | -141561 |
| top | average opponent: 1544record: 4-3 | new rating: 1561 | ||
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 109 | Rios De Almeida, Igor Jose (1500) | Won 2-0 | +171560 |
| 4modern | 1 | Hirayama, Alessandro (1508) | Lost 0-2 | -191541 |
| 5modern | 116 | Oliveira, Eric (1502) | Won 2-1 | +171558 |
| 6modern | 61 | Lemos, Lucieudo (1555) | Won 2-0 | +181576 |
| 7modern | 31 | Rocha, Eddington (1583) | Lost 0-2 | -171559 |
| 8modern | 95 | Marcal De Barros Costa, Alexandre (1570) | Won 2-0 | +181577 |
| 9modern | 57 | Santini, Wendell (1729) | Lost 1-2 | -151562 |
| 10modern | 105 | Vieira E Silva, Arthur (1568) | Lost 1-2 | -181544 |
| top | average opponent: 1565record: 4-4 | new rating: 1544 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1604 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 330 | Debastiani, Rodrigo (1469) | Lost 0-2 | -201584 |
| 2modern | 614 | Sanches, Daniel (1445) | Lost 1-2 | -211563 |
| 3modern | 659 | Miranda, Fabricio (1437) | Lost 0-2 | -201543 |
| top | average opponent: 1450record: 0-3 | new rating: 1543 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 101 | Chaves, Thiago (1500) | Won 2-1 | +181518 |
| 2modern | 287 | Silva, Luiz Antonio (1518) | Won 2-0 | +181536 |
| 3modern | 70 | Navas, Luis (1884) | Won 2-1 | +241560 |
| 4modern | 47 | Cambraia Da Costa, Murilo (1537) | Won 2-1 | +181578 |
| 5modern | 11 | Rodriguez, Axel Arian (1622) | Won 2-0 | +191597 |
| 6modern | 20 | Zborowski, Felipe Augusto (1712) | Won 2-1 | +201617 |
| 7modern | 3 | Lundgren, Guilherme (1588) | Lost 0-2 | -191598 |
| 8modern | 12 | de Lima e Silva Borzino, Marcio (1691) | Lost 1-2 | -161582 |
| 9modern | 35 | Beviahn, Yghor (1573) | Lost 0-2 | -181564 |
| 10modern | 102 | Coraiola, Gustavo (1617) | Won 2-0 | +191583 |
| 11modern | 81 | Archangelo, Felipe (1923) | Won 2-1 | +241607 |
| 12modern | 66 | Marquez De Oliveira Filho, Murilo (1596) | Won 2-1 | +171624 |
| 13modern | 23 | Leite, Ricardo (1595) | Won 2-1 | +181642 |
| 14modern | 12 | Moreno, Bruno Cezar (1544) | Lost 1-2 | -201622 |
| 15modern | 36 | Grillo, Arthur (1630) | Lost 1-2 | -181604 |
| top | average opponent: 1635record: 10-5 | new rating: 1604 | ||