Guttermuth, John
Current rating: 1530
Record: 6-6 (GP) / 5-7 (professional)
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 258 | Kim, Malcolm (1821) | Lost 1-2 | -131542 |
| 4sealed | 485 | Vitullo, Joshua (1626) | Lost 0-2 | -171525 |
| 5sealed | 557 | Sloan, Shawn (1448) | Won 2-1 | +171542 |
| 6sealed | 298 | O'Donnell, Devon (1868) | Lost 0-2 | -121530 |
| top | average opponent: 1691record: 1-3 | new rating: 1530 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 240 | Brantner, Drew (1545) | Won 2-1 | +191522 |
| 3modern | 211 | Clothier, Charles (1536) | Won 2-1 | +181540 |
| 4modern | 9 | Easton, Joe (1621) | Won 2-1 | +201560 |
| 5modern | 40 | Beckemeyer, Dustin (1550) | Won 2-0 | +181578 |
| 6modern | 29 | Fortier, Remi (1715) | Won 2-0 | +201598 |
| 7modern | 11 | Smith, Erik (1777) | Lost 0-2 | -151583 |
| 8modern | 13 | Cifka, Stanislav (2118) | Lost 0-2 | -91574 |
| 9modern | 100 | Stein, Joshua (1522) | Lost 0-2 | -191555 |
| top | average opponent: 1673record: 5-3 | new rating: 1555 | ||
| Pro Tour Avacyn Restored (Innistrad block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 5 | Riedo, Thomas (1500) | Lost 1-2 | -181482 |
| 2block | 148 | Sidher, Ricky (1893) | Lost 0-2 | -111471 |
| 3block | 182 | Nguyen, James (1819) | Lost 0-2 | -121459 |
| 4block | 185 | Dail, Ryan (1457) | Lost 1-2 | -181441 |
| 5block | 187 | Hernandez, Daniel [MEX] (1592) | Won 2-1 | +211462 |
| 6draft | 58 | Ganz, Andreas (1754) | Won 2-0 | +231485 |
| 7draft | 43 | Oleksy, Bobby (1500) | Won 2-1 | +181503 |
| 8draft | 106 | Skarren, Frank (1663) | Won 2-0 | +211524 |
| 9draft | 101 | McDuffie, Korey (1769) | Lost 0-2 | -131511 |
| 10draft | 14 | Masuno, Ryosuke (1743) | Won 2-1 | +221533 |
| 11draft | 82 | Avila Gutierrez, Marlon Jacob (1496) | Lost 1-2 | -191514 |
| 12block | 97 | Karsten, Frank (1927) | Lost 1-2 | -111503 |
| top | average opponent: 1676record: 5-7 | new rating: 1503 | ||