Woodruff, John
Current rating: 1401
Record: 9-16
| Grand Prix Phoenix 2018 (modern) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 55 | Alcantara, Charles (1453) | Won 2-1 | +181430 |
| 2modern | 132 | Truelsen, Samantha (1402) | Lost 1-2 | -181412 |
| 3modern | 349 | Massak, Shawn (1738) | Lost 1-2 | -121400 |
| 4modern | 515 | Vanden Brook, Paul (1480) | Won 2-0 | +191419 |
| 5modern | 328 | Stednitz, David (1404) | Lost 1-2 | -181401 |
| top | average opponent: 1496record: 2-3 | new rating: 1401 | ||
| Grand Prix Phoenix 2017 (XLN limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 258 | Ahern, Dylan (1501) | Lost 0-2 | -171428 |
| 2sealed | 370 | Lunt, Morgan (1508) | Lost 0-2 | -161412 |
| top | average opponent: 1504record: 0-2 | new rating: 1412 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 355 | McShea, Kevin (1895) | Lost 1-2 | -111462 |
| 2modern | 986 | Edwards Jr, Mark (1481) | Lost 1-2 | -181444 |
| 3modern | 1376 | Johnson, Cheyenne (1466) | Won 2-1 | +191463 |
| 4modern | 1173 | Ruiz, Erik (1447) | Won 2-0 | +171480 |
| 5modern | 990 | Horton, Matthew (1499) | Lost 0-2 | -171463 |
| 6modern | 1145 | Mathieson, Robert (1490) | Lost 0-2 | -181445 |
| top | average opponent: 1546record: 2-4 | new rating: 1445 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 525 | Coffelt, Matthew (1556) | Won 2-1 | +201466 |
| 2modern | 475 | Mellor, Charlie (1538) | Won 2-0 | +201486 |
| 3modern | 334 | Matthews, Bo (1536) | Lost 0-2 | -171469 |
| 4modern | 645 | Caballero, John Paul (1500) | Lost 0-2 | -181451 |
| 5modern | 783 | Doble, Kyle (1501) | Lost 1-2 | -171434 |
| 6modern | 754 | Stabiner, Ben (1449) | Won 2-0 | +181452 |
| 7modern | 589 | Bradvica, Nicholas (1499) | Won 2-1 | +191471 |
| 8modern | 547 | Dickup, Anthony (1500) | Lost 1-2 | -171454 |
| 9modern | 463 | Solem, Thomas (1499) | Won 2-1 | +191473 |
| top | average opponent: 1509record: 5-4 | new rating: 1473 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 109 | Smith, Kenneth (1519) | Lost 0-2 | -181482 |
| 2sealed | 447 | Coleman, Philip (1481) | Lost 0-2 | -181464 |
| 3sealed | 534 | Puryear, Preston (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1488record: 0-3 | new rating: 1446 | ||