Vianna, Bruno
Current rating: 1568
Record: 23-19-1 (GP) / 7-8 (professional)
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1630 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 195 | De Azevedo Ramos, Rennan (1449) | Lost 1-2 | -211609 |
| 2modern | 499 | Ramos Garcia, Felipe (1483) | Lost 1-2 | -211588 |
| 3modern | 596 | Kitani, Adriano (1464) | Lost 0-2 | -201568 |
| top | average opponent: 1465record: 0-3 | new rating: 1568 | ||
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1611 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 205 | Hernandes, Marcos Paulo (1467) | Won 2-0 | +161627 |
| 2sealed | 48 | Montenegro, Carlos Davi (1518) | Lost 1-2 | -201607 |
| 3sealed | 12 | Coste, Jose-Carlos P (1500) | Won 2-0 | +161623 |
| 4sealed | 93 | Taveira, Joao Gustavo (1500) | Won 2-0 | +161639 |
| 5sealed | 97 | Bernardino, Willian (1499) | Won 2-0 | +151654 |
| 6sealed | 50 | Burghi, Victor (1557) | Won 2-1 | +161670 |
| 7sealed | 54 | Santos, Eduilton de O (1568) | Lost 0-2 | -191651 |
| 8sealed | 44 | Batista G. Silva, Caio (1504) | Lost 1-2 | -211630 |
| top | average opponent: 1514record: 5-3 | new rating: 1630 | ||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 44 | Pessis Carneiro Kern, Robson (1481) | Won 2-0 | +161608 |
| 2standard | 152 | Cabral, Paulo (1500) | Won 2-1 | +161624 |
| 3standard | 17 | Pauly Fernandes, Francisco (1439) | Draw 1-1 | -31621 |
| 4standard | 98 | Ricardo Raffaeli, (1534) | Lost 0-2 | -201601 |
| 5standard | 150 | Torres, Arturo (1517) | Won 2-0 | +171618 |
| 6standard | 102 | CORRADI, MAXIMILIANO (1554) | Lost 0-0 | -191599 |
| 7standard | 147 | Braga Peres, Denys (1470) | Won 2-1 | +151614 |
| 8standard | 102 | Guilherme Freitas, (1535) | Won 2-0 | +171631 |
| 9standard | 71 | Machado Garcia, Romulo (1554) | Lost 0-2 | -201611 |
| top | average opponent: 1509record: 5-3-1 | new rating: 1611 | ||
| Pro Tour Prague 2006 (DIS draft) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 75 | Pabon, Jose (1540) | Won 2-0 | +171582 |
| 2draft | 26 | Canali, Pierre (1819) | Lost 1-2 | -131569 |
| 3draft | 67 | Gundersen, Thomas (1737) | Lost 1-2 | -151554 |
| 4draft | 182 | Strakhov, Alexander (1565) | Won 2-1 | +181572 |
| 5draft | 172 | Le Campion, Marc (1753) | Won 2-1 | +211593 |
| 6draft | 49 | Goron, Julien (1968) | Won 2-0 | +251618 |
| 7draft | 46 | Rispal, Jonathan (1737) | Lost 1-2 | -161602 |
| 8draft | 54 | Mori, Katsuhiro (2065) | Won 2-1 | +261628 |
| 9draft | 37 | Nieminen, Tuomo (1947) | Lost 1-2 | -131615 |
| 10draft | 17 | Palijama, Maurice (1808) | Lost 0-2 | -141601 |
| 11draft | 2 | Yokoi, Masaki (1747) | Lost 1-2 | -161585 |
| 12draft | 66 | Mori, Katsuhiro (2010) | Won 2-0 | +261611 |
| 13draft | 32 | Suarez, Felipe (1535) | Won 2-0 | +161627 |
| 14draft | 47 | Rathcke, Alexander (1770) | Lost 1-2 | -151612 |
| 15draft | 57 | Varga, Andrew (1518) | Lost 0-2 | -201592 |
| top | average opponent: 1768record: 7-8 | new rating: 1592 | ||
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 13 | Teixeira Junior, Edson (1518) | Won 2-1 | +181504 |
| 3sealed | 23 | Barcellos, Guilherme (1535) | Won 2-0 | +191523 |
| 4sealed | 31 | dos Santos Vieira, Eduardo (1554) | Lost 1-2 | -171506 |
| 5sealed | 58 | Souza, Henrique (1536) | Won 2-0 | +181524 |
| 6sealed | 36 | Pereira, Otavio (1502) | Lost 1-2 | -181506 |
| 7sealed | 41 | Domicent, Divaldo Victor (1454) | Won 2-0 | +171523 |
| 8rochester | 24 | Silveira, Robson (1522) | Lost 1-2 | -181505 |
| 9rochester | 15 | Svaldi, Guilherme (1738) | Won 2-1 | +221527 |
| 10rochester | 26 | Marin, Guilherme (1502) | Won 2-0 | +181545 |
| 11rochester | 25 | Sampaio, Cassiano (1558) | Won 2-1 | +181563 |
| 12rochester | 25 | Moreine Thejano, Guilherne (1572) | Lost 0-2 | -181545 |
| 13rochester | 11 | Barboza, Francisco (1646) | Won 2-0 | +201565 |
| top | average opponent: 1553record: 8-4 | new rating: 1565 | ||
| Grand Prix Sao Paulo 2002 (JUD standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 112 | Mendes, Rafael (1500) | Won 2-0 | +181482 |
| 2standard | 38 | Fonseca, Guilherme (1534) | Won 2-1 | +191501 |
| 3standard | 48 | Sousa, Alex T (1559) | Won 2-1 | +191520 |
| 4standard | 28 | Da Taso Mariano, Paulo (1553) | Won 2-1 | +191539 |
| 5standard | 19 | Lucindo, Fabiano (1534) | Lost 0-2 | -181521 |
| 6standard | 38 | Gomes Da Silva, Fabio (1547) | Lost 0-2 | -181503 |
| 7standard | 62 | Martins, Rodrigo (1536) | Lost 0-2 | -171486 |
| top | average opponent: 1538record: 4-3 | new rating: 1486 | ||
| Grand Prix Curitiba 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 51 | Corso, Giovanni B. (1500) | Won 2-0 | +181518 |
| 2extended | 57 | Suehiru, Ricardo (1500) | Lost 0-0 | -181500 |
| 3extended | 110 | Machado, Allan Schlichting (1500) | Lost 0-2 | -181482 |
| 4extended | 145 | Pavin, Joao P (1481) | Lost 0-2 | -181464 |
| top | average opponent: 1495record: 1-3 | new rating: 1464 | ||