Amaral, Arthur
Current rating: 1542
Record: 16-14-1
| Regional Championships Sao Paulo 2023 (ONE standard) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 50 | Sales Junior, Joao Jorge (1370) | Won 2-1 | +151565 |
| 2standard | 28 | Flores, Pedro Henrique (1513) | Lost 0-2 | -191546 |
| 3standard | 32 | Antunes, Jonas (1378) | Lost 0-2 | -211525 |
| 4standard | 42 | Schiappacassa, Mauricio (1493) | Won 2-0 | +171542 |
| 5standard | 29 | Saporito, Thiago (1937) | Lost 0-2 | -111531 |
| 6standard | 31 | Neto, Araken (1331) | Won 2-0 | +141545 |
| 7standard | 37 | Araujo, Marques (1370) | Won 2-0 | +151560 |
| 8standard | 46 | Nepomuceno, Christian Felipe (1560) | Lost 0-2 | -181542 |
| top | average opponent: 1494record: 4-4 | new rating: 1542 | ||
| Regional Championships Sao Paulo 2022 (pioneer) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 55 | Lemes, Pedro Guilherme (1500) | Won 2-1 | +181525 |
| 2pioneer | 27 | Fernandes, Lucas (1527) | Lost 0-2 | -181507 |
| 3pioneer | 65 | Romani, Douglas (1736) | Won 2-1 | +221529 |
| 4pioneer | 86 | Moraes, Erico (1512) | Won 2-0 | +181547 |
| 5pioneer | 24 | esteves, jose (1543) | Won 2-0 | +181565 |
| 6pioneer | 9 | Hervas, Lucas (1590) | Lost 1-2 | -181547 |
| 7pioneer | 17 | Zadra, Lucas (1573) | Lost 1-2 | -171530 |
| 8pioneer | 37 | Rodrigues Cavalcante, Marcelo (1651) | Won 2-1 | +201550 |
| top | average opponent: 1579record: 5-3 | new rating: 1550 | ||
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 106 | Pages, Ignacio A (1469) | Won 2-0 | +171524 |
| 2modern | 275 | Lyra, Gustavo (1502) | Won 2-1 | +181542 |
| 3modern | 210 | Miyamoto, Marcio Hiroyuki (1605) | Lost 1-2 | -171525 |
| 4modern | 173 | Meneses, Ignacio (1516) | Won 2-1 | +181543 |
| 5modern | 229 | Espinoza, Mauricio (1538) | Won 2-0 | +181561 |
| 6modern | 128 | Vasconcellos Athayde, Tiago (1596) | Lost 0-2 | -181543 |
| 7modern | 115 | Paes Junior, Nelson (1535) | Lost 0-2 | -181525 |
| 8modern | 205 | Paraizo, Walter (1517) | Lost 0-2 | -181507 |
| top | average opponent: 1535record: 4-4 | new rating: 1507 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 355 | Ramos Modesto, Danilo (1955) | Lost 0-2 | -101490 |
| 2modern | 423 | Augusto Soares, Gustavo (1475) | Won 2-1 | +181508 |
| 3modern | 481 | Ferreira De Morais Maia, Renato (1484) | Lost 1-2 | -191489 |
| 4modern | 568 | Selbach, Rafael (1484) | Draw 1-1 | 01489 |
| 5modern | 528 | Leal, Jackson (1483) | Won 2-0 | +181507 |
| 6modern | 396 | Zilnyk, Kahl (1513) | Won 2-0 | +181525 |
| 7modern | 280 | Tiemi Alkmim Morishita, Julia (1518) | Lost 1-2 | -181507 |
| top | average opponent: 1559record: 3-3-1 | new rating: 1507 | ||