Gardner, John P
Current rating: 1546
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 260 | Kofsky, Robert (1609) | Won 2-1 | +181598 |
| 4sealed | 17 | Bell, Michael (1601) | Lost 1-2 | -181580 |
| 5sealed | 201 | May, Parker (1695) | Lost 0-2 | -161564 |
| 6sealed | 416 | Sojourner, Woodrow (1529) | Lost 1-2 | -181546 |
| top | average opponent: 1609record: 1-3 | new rating: 1546 | ||
| Grand Prix Omaha 2015 (modern) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 117 | Jenkins, Mark (1452) | Won 2-0 | +171548 |
| 2modern | 23 | Paton, Jon (1518) | Lost 1-2 | -191529 |
| 3modern | 421 | Head, Shane (1501) | Won 2-0 | +181547 |
| 4modern | 212 | Tosino, Michael (1518) | Lost 1-2 | -191528 |
| 5modern | 400 | Downs, Brandon (1620) | Won 2-0 | +201548 |
| 6modern | 311 | Skoric, Nikola (1524) | Lost 1-2 | -191529 |
| 7modern | 303 | Rowe, Charles (1458) | Won 2-1 | +171546 |
| 8modern | 199 | Cunningham, Daniel (1505) | Won 2-0 | +171563 |
| 9modern | 157 | Schwaderer, Curtis A (1469) | Won 2-0 | +171580 |
| top | average opponent: 1507record: 6-3 | new rating: 1580 | ||
| Grand Prix Lincoln 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 58 | Perigo, Nathanael (1417) | Won 2-0 | +161516 |
| 2modern | 8 | Cox, Cameron (1528) | Lost 0-2 | -171499 |
| 3modern | 149 | Dvorshak, Darik (1501) | Won 2-0 | +181517 |
| 4modern | 239 | van Sickle, Joseph (1323) | Won 2-1 | +141531 |
| 5modern | 68 | Kanlagna, Erik (1539) | Won 2-0 | +181549 |
| 6modern | 84 | Waymon, Larry (1565) | Won 2-0 | +191568 |
| 7modern | 63 | Bryant, Michael (1526) | Lost 1-2 | -191549 |
| 8modern | 93 | Withrow, Robert (1557) | Lost 0-2 | -181531 |
| top | average opponent: 1495record: 5-3 | new rating: 1531 | ||