Marques Nishiyama, Rafael Kenji
Current rating: 1689
Record: 29-18-2
| Regional Championships Sao Paulo 2023 Cycle 3 (pioneer) | starting rating: 1656 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 45 | H, Ricardo (1500) | Lost 0-2 | -211635 |
| 2pioneer | 78 | Sant'Anna, Jorgemi (1741) | Won 2-1 | +201655 |
| 3pioneer | 34 | Correa, Renan (1510) | Lost 0-2 | -211634 |
| 4pioneer | 49 | Melamed, Jonathan (1840) | Won 2-0 | +221656 |
| 5pioneer | 41 | Prevido, Andrei (1472) | Won 2-0 | +151671 |
| 6pioneer | 26 | Casatti, Vagner William (2020) | Won 2-0 | +241695 |
| 7pioneer | 13 | Antunes, Jonas (1471) | Lost 1-2 | -221673 |
| 8pioneer | 15 | Gaston, Juan (1590) | Won 2-1 | +161689 |
| top | average opponent: 1643record: 5-3 | new rating: 1689 | ||
| Grand Prix Sao Paulo 2019 (2) (ELD standard) | starting rating: 1669 | |||
| round | table | opponent (rating) | result | Δrating |
| A1standard | 37 | Azevedo, Luan (1394) | Won 2-0 | +131682 |
| A2standard | 26 | Moreira De Almeida, Diego Nonato (1573) | Won 2-1 | +161698 |
| A3standard | 32 | Pereira, Andre Ricardo (1536) | Draw 1-1 | -31695 |
| A4standard | 35 | Venancio, Adrien (1389) | Draw 1-1 | -51690 |
| A5standard | 58 | Rodriguez, Gabriel [BRA] (1507) | Won 2-0 | +151705 |
| A6standard | 35 | Soares Tannus, Adriano (1546) | Won 2-0 | +151720 |
| A7standard | 19 | Demetrio, Alan (1573) | Won 2-1 | +151735 |
| A8standard | 11 | Silva Neto, Luiz (1793) | Lost 0-2 | -171718 |
| B2standard | 6 | Freitas, Bruno (1455) | Lost 1-2 | -231695 |
| B3standard | 137 | Millan Zapata, Felipe (1487) | Lost 0-2 | -211674 |
| B4standard | 127 | Bernabe, Julio (1686) | Lost 0-0 | -181656 |
| top | average opponent: 1540record: 5-4-2 | new rating: 1656 | ||
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 239 | De Souza Rene, Pierre (1518) | Won 2-1 | +191522 |
| 3modern | 143 | Soto, Rodrigo (1649) | Won 2-1 | +201542 |
| 4modern | 8 | Faria, Elisa (1469) | Won 2-0 | +171559 |
| 5modern | 22 | Munoz Carpintero, Diego (1513) | Won 2-0 | +171576 |
| 6modern | 23 | Salvatto, Luis (1860) | Won 2-1 | +231599 |
| 7modern | 5 | Carneiro Rocha, Marcos Paulo (1644) | Lost 1-2 | -171582 |
| 8modern | 45 | Villouta, Javier (1556) | Lost 1-2 | -191563 |
| 9modern | 40 | Miom Maria, Eberton Henrique (1624) | Won 2-1 | +191582 |
| 10modern | 29 | Perez, Felipe (1759) | Won 2-1 | +211603 |
| 11modern | 23 | Rodrigues, Mario (1616) | Won 2-1 | +191622 |
| 12modern | 26 | da Fonseca, Bruno (1795) | Won 2-0 | +211643 |
| 13modern | 4 | Bertolli Parra, Rafael (1826) | Won 2-0 | +211664 |
| 14modern | 3 | Oliveira, Fabio (1781) | Won 2-0 | +201684 |
| 15modern | 4 | Crusius, Matheus (1838) | Lost 1-2 | -151669 |
| top | average opponent: 1675record: 11-3 | new rating: 1669 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 574 | Dannemann, Joao Manoel (1644) | Lost 0-2 | -151482 |
| 2modern | 634 | Reyes Moreno, Pietro (1414) | Won 2-0 | +171499 |
| 3modern | 417 | Lanza, Bruno (1453) | Lost 1-2 | -191480 |
| 4modern | 454 | Magalhaos, Carlos (1481) | Won 2-0 | +181498 |
| 5modern | 514 | Ferreira Campos, Bruno (1447) | Won 2-0 | +171515 |
| 6modern | 275 | Diniz, Hugo (1883) | Lost 0-2 | -121503 |
| 7modern | 388 | Goncalves De Castro, Daniel (1501) | Won 2-1 | +181521 |
| 8modern | 278 | Astigarraga, Andoni (1518) | Lost 0-2 | -181503 |
| top | average opponent: 1543record: 4-4 | new rating: 1503 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 134 | Souza, Vinicius (1500) | Lost 1-2 | -181482 |
| 2modern | 548 | Ferracini, Vinicius (1478) | Won 2-0 | +181500 |
| 3modern | 303 | Palacios Carvalho, Fernando (1528) | Lost 0-2 | -181482 |
| 4modern | 408 | Miranda, Marcelo2640 (1482) | Lost 1-2 | -181464 |
| 5modern | 500 | Da Silva, Marlon Vinicius (1359) | Lost 0-2 | -191445 |
| 6modern | 500 | Carneiro, Tiago (1448) | Won 2-0 | +181463 |
| 8modern | 382 | Capozzoli, Roberto (1367) | Won 2-1 | +161479 |
| 9modern | 258 | Sbalqueiro, Jonas (1506) | Won 2-0 | +181497 |
| top | average opponent: 1458record: 4-4 | new rating: 1497 | ||