Hirayama, Alessandro
Current rating: 1570
Record: 20-18
| Grand Prix Sao Paulo 2019 (2) (ELD standard) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| B2standard | 63 | Otomura, Solon (1483) | Won 2-1 | +161582 |
| B3standard | 34 | Rodriguez, Lucas (1697) | Lost 1-2 | -161566 |
| B4standard | 47 | Amorim, Rodrigo (1704) | Lost 0-0 | -151551 |
| B5standard | 94 | Zorzi Pinarello, Marcelo (1604) | Won 2-0 | +191570 |
| B6standard | 49 | Anaice Cordeiro, Abalem Ricardo (1502) | Won 2-0 | +161586 |
| B7standard | 48 | Guarienti De Oliveira, Bruno (1678) | Lost 1-2 | -161570 |
| top | average opponent: 1611record: 3-3 | new rating: 1570 | ||
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 83 | Mendonca, Vitor (1477) | Won 2-0 | +181508 |
| 4modern | 1 | Ferreira Diniz, Guilherme (1560) | Won 2-0 | +191527 |
| 5modern | 18 | Ternicelli, Renan (1506) | Lost 0-2 | -191508 |
| 6modern | 51 | Sepulveda, Matheus Oliveira (1465) | Won 2-1 | +171525 |
| 7modern | 69 | dos Santos Pinto, Paulo Henrique (1655) | Won 2-0 | +211546 |
| 8modern | 51 | Pozzo, Sebastian (2011) | Lost 1-2 | -101536 |
| 9modern | 72 | Solares, Pablo (1580) | Won 2-0 | +181554 |
| 10modern | 34 | Cavicchia, Vitor (1516) | Lost 1-2 | -181536 |
| 11modern | 73 | Vieira E Silva, Arthur (1586) | Won 2-1 | +191555 |
| 12modern | 58 | Fernando Silva, Victor (1896) | Lost 0-2 | -121543 |
| 13modern | 66 | Eickhoff Cavalhieri, Vitor (1580) | Won 2-0 | +181561 |
| 14modern | 47 | Carvalho, Pedro (1810) | Lost 1-2 | -131548 |
| 15modern | 55 | Campos, Olivier (1536) | Won 2-0 | +181566 |
| top | average opponent: 1629record: 8-5 | new rating: 1566 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 116 | De Almeida E Silva Neto, Alvaro (1500) | Won 2-1 | +171538 |
| 4modern | 36 | Abdalla, Thiago (1537) | Lost 0-2 | -181520 |
| 5modern | 201 | Ferrari, Henrique (1532) | Lost 0-2 | -171503 |
| 6modern | 283 | Laier, Gilmour (1640) | Won 2-1 | +201523 |
| 7modern | 147 | de Padua Casagrande, Felipe (1519) | Lost 1-2 | -181505 |
| 8modern | 280 | Portugal, Marco (1660) | Lost 0-2 | -151490 |
| top | average opponent: 1565record: 2-4 | new rating: 1490 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 164 | Souza, Vinicius (1518) | Won 2-1 | +181518 |
| 3modern | 203 | Alves Couto, Felipe (1441) | Lost 1-2 | -191499 |
| 4modern | 228 | Beviahn, Yghor (1518) | Won 2-1 | +181517 |
| 5modern | 95 | De Albuquerque Frassy, Igor (1554) | Lost 1-2 | -171500 |
| 6modern | 226 | Maffori, Cassiano (1518) | Won 2-1 | +181518 |
| 7modern | 224 | Goncalves Pinto, Bruno (1449) | Won 2-0 | +171535 |
| 8modern | 111 | Cosme Da Silva, Joao Daniel (1566) | Lost 0-2 | -171518 |
| 9modern | 114 | Martinez, Julian (1665) | Won 2-0 | +201538 |
| 10modern | 139 | Tomaz, Bruno (1557) | Lost 1-2 | -171521 |
| 11modern | 139 | dos Santos, Everton Fernando (1542) | Won 2-0 | +181539 |
| 12modern | 111 | Furtado, Haroldo (1556) | Lost 0-2 | -181521 |
| 13modern | 130 | Pedrozo, Marcelo (1481) | Won 2-1 | +181539 |
| 14modern | 100 | Souza Silva, Swandher (1555) | Lost 0-2 | -181521 |
| top | average opponent: 1532record: 7-6 | new rating: 1521 | ||