Viviano, Michael
Current rating: 1594
Record: 21-19-1
| Grand Prix Kansas City 2019 (WAR standard) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 67 | Cooper, Brian (1696) | Lost 1-2 | -161600 |
| 3standard | 315 | Griffin, Tyler (1502) | Won 2-1 | +161616 |
| 4standard | 242 | Ziggas, Andrew (1703) | Won 0-0 | +201636 |
| 5standard | 103 | Robertson, David (1446) | Lost 1-2 | -221614 |
| 6standard | 208 | Krenkel, Andrew (1488) | Lost 0-2 | -201594 |
| top | average opponent: 1567record: 2-3 | new rating: 1594 | ||
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 303 | Jenkins, Jason (1607) | Won 2-1 | +191572 |
| 4sealed | 132 | Freas, Gerald (1592) | Won 2-0 | +181590 |
| 5sealed | 72 | Wang, Wilson (1684) | Lost 1-2 | -161574 |
| 6sealed | 107 | Berteaux, Julien (1790) | Won 2-1 | +221596 |
| 7sealed | 101 | Lantto, Magnus (1930) | Lost 1-2 | -121584 |
| 8sealed | 89 | Watts, Matthew (1623) | Won 2-0 | +181602 |
| 9sealed | 80 | Butakov, Dmitriy (1920) | Lost 0-2 | -121590 |
| 10draft | 275 | Elenbogen, Andrew (2027) | Won 2-0 | +261616 |
| 11draft | 275 | Dezani, Jeremy (2019) | Lost 0-2 | -111605 |
| 12draft | 275 | Salvatto, Luis (2099) | Lost 0-2 | -101595 |
| 13draft | 348 | Ding, Richard (1531) | Won 2-0 | +171612 |
| 14draft | 271 | Collier, Joshua (1584) | Won 2-1 | +171629 |
| 15draft | 338 | Medeiros Merjam, Guilherme (1921) | Lost 1-2 | -131616 |
| top | average opponent: 1794record: 7-6 | new rating: 1616 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 100 | Colista, Gian (1659) | Won 2-0 | +211540 |
| 3sealed | 532 | Yaman, Robert (1823) | Lost 0-2 | -131527 |
| 4sealed | 430 | Lin, Daniel (1596) | Won 2-0 | +191546 |
| 5sealed | 350 | Cuba Nogales, Mauricio (1556) | Won 2-0 | +181564 |
| 6sealed | 208 | Gertler, Aaron (1538) | Lost 1-2 | -181546 |
| 7sealed | 316 | Ritchie, John (1575) | Won 2-1 | +181564 |
| 8sealed | 200 | Ganz, Andreas (1789) | Lost 0-2 | -141550 |
| 9sealed | 254 | Hernandez, Steven (1564) | Won 2-0 | +181568 |
| 10draft | 130 | Edelman, Charles (1653) | Lost 1-2 | -161552 |
| 12draft | 155 | Andresen, Daniel (1564) | Won 2-0 | +181570 |
| 13draft | 103 | Lin, Jianfeng (1609) | Lost 1-2 | -171553 |
| top | average opponent: 1629record: 6-5 | new rating: 1553 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 272 | Waller, Joe (1461) | Won 2-1 | +171539 |
| 2sealed | 240 | Heath, Carlin (1522) | Draw 1-1 | -11538 |
| 3sealed | 226 | L802, Alan (1520) | Lost 0-2 | -181520 |
| 4sealed | 357 | Escalante, Arthur (1493) | Won 2-1 | +181538 |
| 5sealed | 261 | Woodside, Benjamin (1515) | Lost 0-2 | -191519 |
| top | average opponent: 1502record: 2-2-1 | new rating: 1519 | ||
| Grand Prix Indianapolis 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2 | McNeil, David (1500) | Won 2-1 | +181518 |
| 2sealed | 29 | Vlahovich, Heather J (1400) | Won 2-1 | +161534 |
| 3sealed | 77 | Morton, Philip (1535) | Lost 0-2 | -181516 |
| 4sealed | 193 | McNamara, Daniel (1567) | Lost 0-2 | -171499 |
| 5sealed | 247 | Schuller, Shane (1499) | Won 2-1 | +181517 |
| 6sealed | 154 | Becvar, Nick (1727) | Won 2-0 | +221539 |
| 7sealed | 98 | Ketter, Kent (1604) | Lost 0-2 | -171522 |
| top | average opponent: 1548record: 4-3 | new rating: 1522 | ||