Viola, Joe
Current rating: 1666
Record: 37-25-1
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1652 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 135 | Zickler, Andrew (1555) | Lost 1-2 | -201632 |
| 2legacy | 805 | Battista, Bryton (1430) | Won 2-1 | +141646 |
| 3legacy | 728 | Yates, Sam (1515) | Won 2-1 | +161662 |
| 4legacy | 466 | Mccullough, Matthew (1826) | Lost 0-2 | -151647 |
| 5legacy | 508 | Chan, Dru (1500) | Won 2-0 | +151662 |
| 6legacy | 512 | Majors, Michael (2060) | Won 2-0 | +251687 |
| 7legacy | 305 | Cobb, Axel (1537) | Lost 0-2 | -211666 |
| top | average opponent: 1632record: 4-3 | new rating: 1666 | ||
| Grand Prix Nashville 2012 (DKA limited) | starting rating: 1644 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 170 | Sommer, Tristan (1622) | Lost 0-2 | -191625 |
| 4sealed | 347 | Krupski, Jared (1508) | Lost 0-2 | -201605 |
| 5sealed | 377 | Rogers, Jessie (1499) | Lost 0-2 | -201585 |
| 6sealed | 343 | DeMille, Nathanuil E (1466) | Won 2-0 | +161601 |
| 7sealed | 252 | Stephen, Mike (1499) | Won 2-1 | +161617 |
| 8sealed | 209 | Shea, Joseph P (1505) | Won 2-1 | +161633 |
| 9sealed | 34 | Wagner, Bob (1657) | Won 2-1 | +191652 |
| top | average opponent: 1537record: 4-3 | new rating: 1652 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1621 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 173 | Lussier, Dustin (1544) | Draw 1-1 | -11620 |
| 4legacy | 174 | Shrout, Andrew (1492) | Lost 0-2 | -211599 |
| 5legacy | 288 | Young, Phillip (1503) | Won 2-0 | +171616 |
| 6legacy | 181 | Vaca, Rob (1503) | Won 2-1 | +161632 |
| 7legacy | 128 | Hatlee, Herbie (1501) | Lost 0-2 | -211611 |
| 8legacy | 193 | Sowles, Jacob R (1490) | Won 2-0 | +161627 |
| 9legacy | 137 | Frye, Sean (1559) | Won 2-1 | +171644 |
| top | average opponent: 1513record: 4-2-1 | new rating: 1644 | ||
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1647 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 6 | Chung, Eddie (1500) | Won 2-1 | +151662 |
| 2sealed | 36 | Wijaya, Vidianto (1577) | Won 2-1 | +161678 |
| 3sealed | 13 | Luke P., (1536) | Lost 0-2 | -201658 |
| 4sealed | 170 | Kim, Cynic (1777) | Lost 1-2 | -161642 |
| 5sealed | 141 | Ruiz Diaz, Christian (1482) | Lost 0-2 | -211621 |
| top | average opponent: 1574record: 2-3 | new rating: 1621 | ||
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1643 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 22 | Michl, Adam (1500) | Won 2-1 | +161659 |
| 2standard | 280 | Corley, Michael (1551) | Lost 0-2 | -201639 |
| 3standard | 303 | Hilbert, James (1554) | Won 2-0 | +161655 |
| 4standard | 267 | McIelwain, Glenn (1621) | Lost 1-2 | -181637 |
| 5standard | 372 | King, Thomas (1501) | Won 2-1 | +151652 |
| 6standard | 318 | MOSER, JEFF L (1521) | Won 2-0 | +161668 |
| 7standard | 162 | Edgerle, Nick (1486) | Lost 1-2 | -211647 |
| top | average opponent: 1533record: 4-3 | new rating: 1647 | ||
| Grand Prix Providence 2011 (legacy) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 477 | Flete, George (1486) | Won 2-0 | +161575 |
| 2legacy | 465 | Kandebo, James (1594) | Won 2-1 | +191594 |
| 3legacy | 414 | M., Chris (1500) | Lost 1-2 | -201574 |
| 4legacy | 569 | Savarese, Jonathan (1526) | Won 2-0 | +171591 |
| 5legacy | 508 | Swartz, Noah (1594) | Won 2-0 | +181609 |
| 6legacy | 470 | Mccormick, Brandon (1540) | Won 2-0 | +171626 |
| 7legacy | 454 | Morrill, Alex (1601) | Lost 0-2 | -191607 |
| 8legacy | 491 | Thornburg, Robert (1495) | Won 2-0 | +161623 |
| 9legacy | 447 | Ouimet, Guillaume (1558) | Won 2-0 | +171640 |
| 10legacy | 73 | Lewis, Chris L (1628) | Lost 1-2 | -181622 |
| 11legacy | 61 | Bond, Matthew (1684) | Won 2-1 | +191641 |
| 12legacy | 39 | Pawlik, Gregory (1566) | Lost 0-2 | -191622 |
| 13legacy | 64 | Markowicz, Eric (1548) | Won 2-0 | +161638 |
| 14legacy | 48 | O'Brien, Peter J (1645) | Won 2-0 | +181656 |
| 15legacy | 46 | Postlethwait, William (1939) | Lost 1-2 | -131643 |
| top | average opponent: 1594record: 10-5 | new rating: 1643 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 43 | Halucha, Robert (1500) | Won 2-1 | +181518 |
| 2sealed | 105 | Bixler, Kellen (1518) | Won 2-0 | +181536 |
| 3sealed | 74 | Richardson, Justin (1498) | Won 2-0 | +171553 |
| 4sealed | 59 | Jennison, Timothy (1554) | Won 2-1 | +181571 |
| 5sealed | 31 | Anderson, Marc (1622) | Lost 0-2 | -171554 |
| 6sealed | 32 | Zhang, Stephen (1488) | Won 2-0 | +171571 |
| 7sealed | 26 | Vidugiris, Gaudenis (2047) | Won 2-0 | +261597 |
| 8sealed | 15 | Lai, Jason (1589) | Lost 0-2 | -181579 |
| 9sealed | 23 | Lefler, Andrew J (1575) | Won 2-1 | +181597 |
| 10sealed | 27 | Bennett, Michael (1531) | Lost 1-2 | -191578 |
| 11draft | 42 | Bonder, Gabriel G (1571) | Lost 0-2 | -181560 |
| 12draft | 10 | Kestenberg, Lee (1558) | Lost 1-2 | -181542 |
| 13draft | 62 | Shuai, Jack (1538) | Won 2-0 | +171559 |
| 14draft | 22 | Turk, Neil (1516) | Won 2-1 | +181577 |
| 15draft | 2 | Fisher, Chris A (1568) | Lost 1-2 | -181559 |
| top | average opponent: 1578record: 9-6 | new rating: 1559 | ||