Tessler, Johnathan T
Current rating: 1502
Record: 37-33
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 220 | Winkelmann, Denis (1390) | Lost 0-2 | -211541 |
| 2legacy | 251 | Chanez Angulo, Mario Cesar (1520) | Won 2-1 | +181559 |
| 3legacy | 240 | Van Eeghen, Elmer (1625) | Lost 0-2 | -171542 |
| 4legacy | 378 | Reissenweber, Tobias (1400) | Lost 1-2 | -211521 |
| 5legacy | 362 | Horion, Max (1466) | Lost 0-2 | -191502 |
| top | average opponent: 1480record: 1-4 | new rating: 1502 | ||
| Grand Prix Shanghai 2011 (M12 limited) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 121 | Huang, Wei (1500) | Lost 0-2 | -191551 |
| 2sealed | 201 | He, Bin (1482) | Won 2-0 | +161567 |
| 3sealed | 157 | Lee, Wing Tat (1502) | Won 2-1 | +171584 |
| 4sealed | 182 | Yang, Yuanqing (1518) | Won 2-0 | +171601 |
| 5sealed | 141 | Fletcher, Owen (1508) | Lost 1-2 | -201581 |
| 6sealed | 105 | chen, jishen (1518) | Lost 1-2 | -191562 |
| top | average opponent: 1505record: 3-3 | new rating: 1562 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1619 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 15 | Meng, Eric (1564) | Lost 0-2 | -191600 |
| 3extended | 169 | Gallick, Keegan (1500) | Lost 0-2 | -201580 |
| 4extended | 228 | Hicks, Chad (1480) | Won 2-1 | +171597 |
| 5extended | 218 | Marquez, Chris (1499) | Won 2-1 | +161613 |
| 6extended | 123 | Benito, Ryan (1556) | Won 2-1 | +171630 |
| 7extended | 127 | Vanwie, Michael (1494) | Lost 0-2 | -211609 |
| 8extended | 118 | Meshew, Jed (1534) | Lost 1-2 | -191590 |
| 9extended | 84 | Edmond, Scott (1472) | Lost 0-2 | -201570 |
| top | average opponent: 1512record: 3-5 | new rating: 1570 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 441 | Mazeres, Robert (1500) | Won 2-0 | +161619 |
| 2sealed | 526 | Farris, Billy (1571) | Won 2-1 | +181637 |
| 3sealed | 425 | Beach, Harrison (1565) | Won 2-1 | +161653 |
| 4sealed | 458 | Baugh, Jacob (1518) | Lost 1-2 | -201633 |
| 5sealed | 555 | Mahon, John (1638) | Won 2-1 | +181651 |
| 6sealed | 490 | Kibler, Brian (2021) | Lost 0-2 | -121639 |
| 7sealed | 472 | Sandridge, Nicholas (1525) | Lost 1-2 | -201619 |
| top | average opponent: 1620record: 4-3 | new rating: 1619 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1615 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 113 | Welsh, Anthony (1500) | Won 2-0 | +161631 |
| 2sealed | 141 | Couch, Michael S (1517) | Lost 1-2 | -201611 |
| 3sealed | 212 | Nguyen, Charlie (1500) | Won 2-0 | +161627 |
| 4sealed | 192 | Gibson, Jamal (1533) | Lost 1-2 | -201607 |
| 5sealed | 320 | Auburn, Zach (1501) | Won 2-1 | +171624 |
| 6sealed | 345 | Lochridge, Jeremey (1499) | Lost 1-2 | -211603 |
| top | average opponent: 1508record: 3-3 | new rating: 1603 | ||
| Grand Prix Oakland 2010 (extended) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 77 | Brown, Eric (1500) | Lost 1-2 | -201587 |
| 2extended | 236 | Martinez, Anthony (1482) | Won 2-0 | +161603 |
| 3extended | 142 | Mulcahy, Luke (1467) | Won 2-1 | +151618 |
| 4extended | 228 | Tabaldo, Brandon (1468) | Lost 0-2 | -201598 |
| 5extended | 253 | Hyde, Landry (1484) | Won 2-0 | +161614 |
| 6extended | 195 | Halavais, Arthur (1555) | Won 2-1 | +171631 |
| 7extended | 139 | Malin, Antti (1783) | Lost 0-2 | -161615 |
| top | average opponent: 1534record: 4-3 | new rating: 1615 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1617 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 140 | Walker, Kalib (1485) | Lost 0-2 | -211596 |
| 3standard | 366 | Kneser, James (1499) | Won 2-1 | +161612 |
| 4standard | 208 | Kubin, Ryan (1518) | Won 2-0 | +171629 |
| 5standard | 245 | Montgomery, Scott P (1526) | Won 2-0 | +161645 |
| 6standard | 76 | Hicks, Jeffrey (1553) | Won 2-0 | +161661 |
| 7standard | 48 | Aubertin, Justin (1576) | Won 2-0 | +171678 |
| 8standard | 36 | Turtenwald, Owen (1836) | Lost 1-2 | -151663 |
| 9standard | 39 | Nyberg, Andrew (1566) | Won 0-0 | +161679 |
| 10standard | 55 | Bessey, Stan (1557) | Lost 1-2 | -201659 |
| 11standard | 50 | Yu, Jarvis (1726) | Won 2-1 | +191678 |
| 12standard | 30 | van Medevoort, Robert (1959) | Lost 1-2 | -131665 |
| 13standard | 46 | Chen, Lokman (1608) | Lost 0-2 | -191646 |
| 14standard | 56 | Muir, Jeremy (1568) | Lost 1-2 | -201626 |
| 15standard | 56 | Hague, Matt (1541) | Lost 0-2 | -191607 |
| top | average opponent: 1608record: 7-7 | new rating: 1607 | ||
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 181 | Johnson, Erik 445 (1500) | Won 2-0 | +171590 |
| 2block | 19 | Buell, Shawn (1500) | Lost 1-2 | -201570 |
| 3block | 233 | Scales, Zach (1532) | Lost 1-2 | -181552 |
| 4block | 276 | Farr, Chris G (1483) | Won 2-1 | +161568 |
| 5block | 164 | VanLaethem, Eric W (1469) | Won 2-1 | +171585 |
| 6block | 169 | Williams, Michael B (1518) | Won 2-1 | +161601 |
| 7block | 130 | Boeckmann, Trevor (1593) | Lost 1-2 | -181583 |
| 8block | 132 | Hoffman, Tim G (1518) | Won 2-0 | +171600 |
| 9block | 100 | Day, Les L (1520) | Won 2-0 | +171617 |
| top | average opponent: 1515record: 6-3 | new rating: 1617 | ||
| Grand Prix Phoenix 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 73 | Smith, Danny L (1500) | Lost 0-2 | -181482 |
| 2sealed | 73 | Paden, Wayne D (1481) | Won 2-1 | +181500 |
| 3sealed | 73 | Costa, Manny (1500) | Won 2-0 | +181518 |
| 4sealed | 73 | Macdonald, Rick (1522) | Won 2-1 | +181536 |
| 5sealed | 73 | Conway, Michael D (1536) | Won 2-1 | +181554 |
| 6sealed | 73 | Girard, Michael (1542) | Won 2-1 | +181572 |
| 7sealed | 73 | Jarvis, Steven (1697) | Won 2-0 | +201592 |
| 8sealed | 73 | Viviani, Matthew (1552) | Lost 1-2 | -191573 |
| top | average opponent: 1541record: 6-2 | new rating: 1573 | ||