Watson, Jonathan
Current rating: 1550
Record: 26-27-3 (GP) / 4-4 (professional)
| Grand Prix Albuquerque 2016 (SOI limited) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 216 | Stewart, Tavis (1500) | Won 1-0 | +181549 |
| 2sealed | 112 | Garcia, Joshua (1517) | Lost 0-2 | -191530 |
| 3sealed | 361 | Peterson, Daniel (1577) | Lost 1-2 | -171513 |
| 4sealed | 479 | Polotko, Jeremy (1492) | Won 2-0 | +181531 |
| 5sealed | 436 | Randol, Mark (1354) | Won 2-0 | +141545 |
| 6sealed | 193 | Reeves, Alexander (1446) | Won 2-1 | +171562 |
| 7sealed | 191 | Sun, Qiushi (1652) | Won 2-1 | +191581 |
| 8sealed | 153 | Scott, Richard (1474) | Lost 0-2 | -201561 |
| 9sealed | 142 | Wijaya, Vidianto (1968) | Lost 0-2 | -111550 |
| top | average opponent: 1553record: 5-4 | new rating: 1550 | ||
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 43 | Westphal, Jesse (1464) | Won 2-1 | +161550 |
| 3sealed | 124 | Starnes, Jason (1536) | Lost 0-2 | -181532 |
| 4sealed | 331 | Lewis, Aaron (1692) | Won 2-1 | +211553 |
| 5sealed | 188 | Tarin, Danyel (1487) | Won 2-1 | +171570 |
| 6sealed | 153 | Reingold, Johnathan (1563) | Lost 1-2 | -181552 |
| 7sealed | 142 | Tate, Cory (1535) | Won 2-0 | +171569 |
| 8sealed | 66 | Barrington, Kevin (1582) | Lost 1-2 | -171552 |
| 9sealed | 129 | Herdman, William (1425) | Lost 0-2 | -211531 |
| top | average opponent: 1535record: 4-4 | new rating: 1531 | ||
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 109 | Vallejo Pacheco, Omar (1500) | Lost 0-2 | -181472 |
| 3sealed | 125 | Dodd, Rebecca M (1485) | Won 2-1 | +191491 |
| 4sealed | 88 | Van Der Lelij, Eric (1490) | Lost 0-2 | -181473 |
| 5sealed | 204 | Ford, Neal (1460) | Won 2-0 | +171490 |
| 6sealed | 118 | Aune, Eirik (1815) | Won 2-1 | +241514 |
| 7sealed | 106 | Zuniga, Michael (1530) | Lost 1-2 | -181496 |
| 8sealed | 110 | Kutcher, Ben (1517) | Won 2-0 | +191515 |
| 9sealed | 82 | De la torre Ortiz, Jose Vent (1563) | Won 2-1 | +191534 |
| top | average opponent: 1545record: 5-3 | new rating: 1534 | ||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 62 | Gindy, Charles (1760) | Draw 1-1 | +41507 |
| 5standard | 84 | Xidea, Ronald (1466) | Draw 1-1 | 01507 |
| 6standard | 158 | Li, Lei (1596) | Lost 1-2 | -171490 |
| top | average opponent: 1608record: 0-1-2 | new rating: 1490 | ||
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 76 | Moss, Chris (1518) | Won 2-0 | +201473 |
| 3sealed | 34 | Gradiska, Frank (1536) | Lost 1-2 | -171456 |
| 4sealed | 116 | Ohlschwager, Andrew (1550) | Won 2-1 | +191475 |
| 5sealed | 80 | Novath, Zack (1524) | Won 2-0 | +191494 |
| 6sealed | 58 | Chestnut, Robin (1509) | Lost 1-2 | -171477 |
| 7sealed | 75 | Daniel, David (1666) | Won 2-1 | +211498 |
| 8sealed | 41 | Nelson, Tanner (1575) | Won 2-1 | +191517 |
| 9sealed | 37 | Wise, Nick (1701) | Lost 0-2 | -141503 |
| top | average opponent: 1572record: 5-3 | new rating: 1503 | ||
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 16 | Bruce, Steven (1407) | Lost 0-2 | -191469 |
| 3sealed | 272 | Morlock, Ryan (1533) | Lost 0-2 | -171452 |
| 4sealed | 307 | Thomason, Matt L (1488) | Won 2-0 | +181470 |
| 5sealed | 212 | Gardiner, Steven (1482) | Won 2-0 | +191489 |
| 6sealed | 179 | Smith, Anthony (1519) | Lost 1-2 | -181471 |
| 7sealed | 173 | Baez, Jean (1486) | Lost 0-2 | -181453 |
| top | average opponent: 1486record: 2-4 | new rating: 1453 | ||
| Pro Tour Yokohama 2007 (Time Spiral block) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 142 | Davis, Kai (1500) | Won 2-0 | +191489 |
| 2block | 35 | Mori, Katsuhiro (2084) | Lost 1-2 | -91480 |
| 3block | 102 | Bright, Kendall (1613) | Lost 1-2 | -151465 |
| 4block | 133 | Ozkara, Mehmet (1488) | Won 2-0 | +181483 |
| 5block | 63 | Maki-Tuuri, Jussi (1593) | Lost 1-2 | -161467 |
| 6block | 110 | Kruger, Diederik (1496) | Lost 0-2 | -171450 |
| 7block | 113 | Southcott, Guy (1461) | Won 2-0 | +181468 |
| 8block | 98 | de Jong, Sven (1585) | Won 2-0 | +201488 |
| top | average opponent: 1603record: 4-4 | new rating: 1488 | ||
| Grand Prix Phoenix 2006 (CSP limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 18 | Pelcak, John (1657) | Won 2-1 | +211503 |
| 5sealed | 20 | Buhrer, Nick (1477) | Won 2-0 | +171520 |
| 6sealed | 9 | Hayes, David (1576) | Lost 0-2 | -171503 |
| 7sealed | 22 | Lund, Martin (1569) | Lost 0-2 | -161487 |
| 8sealed | 55 | Wijaya, Vidianto (1571) | Lost 0-2 | -171470 |
| top | average opponent: 1570record: 2-3 | new rating: 1470 | ||
| Grand Prix Austin 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 11 | Hereford, Patrick (1540) | Won 2-0 | +191519 |
| 5sealed | 10 | McCall, Brian (1525) | Won 2-0 | +181537 |
| 6sealed | 3 | Tamblyn, Mitchell (1795) | Lost 1-2 | -141523 |
| 7sealed | 27 | Brown, Allen (1575) | Won 2-0 | +191542 |
| 8sealed | 16 | Lebedowicz, Osyp (1987) | Draw 1-1 | +81550 |
| 9rochester | 7 | Rohan, Sean (1569) | Lost 0-2 | -181532 |
| 10rochester | 11 | Miller, Stephen (1622) | Lost 0-2 | -161516 |
| 11rochester | 22 | Penkauskas II, David (1568) | Lost 0-2 | -171499 |
| 12rochester | 27 | Harris, Russell (1539) | Lost 1-2 | -171482 |
| top | average opponent: 1636record: 3-5-1 | new rating: 1482 | ||