Quinta, Matheus Chaud
Current rating: 1584
Record: 28-22 (GP) / 5-7 (professional)
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 223 | Petto Jr., Sergio (1500) | Won 2-0 | +171556 |
| 2sealed | 90 | Pereira Becker, Edimar (1518) | Won 2-0 | +171573 |
| 3sealed | 86 | Silva, Calos Henrique (1541) | Won 2-0 | +181591 |
| 4sealed | 8 | Borges, Rafael S (1554) | Won 2-1 | +171608 |
| 5sealed | 12 | Marcelo, Vinicius P (1545) | Won 2-1 | +171625 |
| 6sealed | 10 | Vieira, Paulo T (1469) | Won 2-0 | +151640 |
| 7sealed | 5 | Oliveira, Thiago (1602) | Lost 1-2 | -191621 |
| 8sealed | 16 | Manzoni, Pedro (1592) | Lost 0-2 | -181603 |
| 9sealed | 33 | Oliveira Da Silva, Rodner (1573) | Lost 1-2 | -191584 |
| top | average opponent: 1544record: 6-3 | new rating: 1584 | ||
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 84 | Cho, Joshua (1519) | Lost 1-2 | -191555 |
| 4sealed | 134 | Phillips, Cedric (1726) | Won 2-1 | +211576 |
| 5sealed | 152 | Respet, Greg (1490) | Lost 1-2 | -191557 |
| 6sealed | 211 | Bertoncini, Alex (1550) | Lost 0-2 | -181539 |
| top | average opponent: 1571record: 1-3 | new rating: 1539 | ||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 80 | Fabiana Pionol, (1553) | Won 2-0 | +171611 |
| 5standard | 5 | Silbermann Zilberdrut, Joel (1555) | Lost 0-2 | -191592 |
| 6standard | 45 | Fernando Silva, Victor (1537) | Won 0-0 | +171609 |
| 7standard | 24 | de Diego, Pedro (1758) | Lost 0-2 | -151594 |
| 8standard | 43 | Dannemann, Joao Manoel (1523) | Lost 0-2 | -201574 |
| top | average opponent: 1585record: 2-3 | new rating: 1574 | ||
| 2007 World Championship (mixed) | starting rating: 1601 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 132 | Johannsen, Dennis (1631) | Won 2-0 | +191620 |
| 2standard | 6 | Canali, Pierre (1807) | Won 2-1 | +211641 |
| 3standard | 3 | Fujita, Tsuyoshi (1822) | Won 2-1 | +211662 |
| 4standard | 3 | Mitamura, Kazuya (1966) | Lost 1-2 | -121650 |
| 5standard | 29 | Cornelissen, Kamiel (1886) | Won 2-0 | +221672 |
| 6draft | 133 | Potovin, Nikolay (1951) | Lost 0-2 | -131659 |
| 7draft | 38 | Herberholz, Mark (2025) | Lost 0-2 | -121647 |
| 8draft | 148 | Lapnimitchai, Chakorn (1520) | Lost 1-2 | -201627 |
| 9draft | 150 | Zampere Junior, Celso (1745) | Lost 0-2 | -161611 |
| 10draft | 97 | Arita, Ryuichi (1764) | Lost 1-2 | -151596 |
| 11draft | 3 | Lopez, Michael [DOM] (1491) | Won 2-1 | +161612 |
| 12legacy | 114 | Petric Maretic, Grgur (1592) | Lost 1-2 | -181594 |
| top | average opponent: 1767record: 5-7 | new rating: 1594 | ||
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1627 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 8 | Oliveira Pereira, Diego Rafa (1520) | Won 2-1 | +161643 |
| 4sealed | 32 | Kina, Mauro (1646) | Lost 0-2 | -181625 |
| 5sealed | 42 | Netto, Christiano (1536) | Lost 0-2 | -201605 |
| 6sealed | 70 | Cardoso, Aloisio (1491) | Won 2-0 | +161621 |
| 7sealed | 36 | Sampaio, Cassiano (1518) | Lost 0-2 | -201601 |
| top | average opponent: 1542record: 2-3 | new rating: 1601 | ||
| Grand Prix Curitiba 2001 (extended) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 19 | Fuentes Poblete, Andres Robe (1519) | Won 2-0 | +171567 |
| 5extended | 8 | Sella, Eduardo Liboni (1640) | Won 2-1 | +201587 |
| 6extended | 10 | Fernandes, Leonardo Martins (1575) | Won 2-0 | +181605 |
| 7extended | 1 | Possato, William (1610) | Lost 1-2 | -181587 |
| 8extended | 4 | Cabrera, Adham (1682) | Lost 0-2 | -171570 |
| 9extended | 21 | Ostrovich, Diego (1651) | Won 2-1 | +201590 |
| 10extended | 14 | Zampere Junior, Celso (1571) | Lost 1-2 | -191571 |
| 11extended | 16 | Possamai, Rodrigo (1520) | Won 2-0 | +181589 |
| 12extended | 12 | Le Saux, Rafael (1725) | Won 2-0 | +201609 |
| 13extended | 9 | Gimenes, Diego (1584) | Won 2-0 | +181627 |
| top | average opponent: 1608record: 7-3 | new rating: 1627 | ||
| Grand Prix Rio de Janeiro 2001 (PLS limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 40 | Sittoni, Delmar santos (1518) | Won 2-0 | +181535 |
| 3sealed | 25 | Soares, Marcus (1518) | Won 2-1 | +171552 |
| 4sealed | 33 | De Campos, Henrique Chaves (1553) | Won 2-0 | +181570 |
| 5sealed | 4 | Mao, Carlos (1505) | Lost 0-2 | -191551 |
| 6sealed | 18 | Passos, Ronel Dos Santos (1537) | Lost 0-2 | -181533 |
| 7sealed | 40 | Nascimento, Andre (1483) | Won 0-0 | +171550 |
| top | average opponent: 1519record: 4-2 | new rating: 1550 | ||
| Grand Prix Buenos Aires 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 68 | Rivas, Mario (1518) | Won 2-0 | +181518 |
| 3extended | 32 | Espinosa, Alvaro (1536) | Won 2-0 | +191537 |
| 4extended | 31 | Bermudez, Rafael (1500) | Won 2-0 | +171554 |
| 5extended | 9 | Marincovich, Mario (1552) | Lost 0-2 | -181536 |
| 6extended | 34 | Gramajo, Bernabe (1500) | Lost 1-2 | -191517 |
| 7extended | 47 | Comesaa, Pablo (1533) | Won 2-1 | +191536 |
| 8extended | 23 | Laplaza, Pedro (1542) | Won 2-1 | +181554 |
| 9extended | 21 | Russo, Ariel (1571) | Won 2-0 | +181572 |
| 10extended | 8 | Villanueva, Victor (1538) | Lost 0-2 | -191553 |
| 11extended | 13 | Buckley, Damian (1537) | Lost 0-2 | -181535 |
| 12extended | 24 | Hernandez C., Cesar (1508) | Lost 0-2 | -181517 |
| top | average opponent: 1531record: 6-5 | new rating: 1517 | ||