Johnson, Gary
Current rating: 1555
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1602 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 294 | Bernhard, Andrew (1500) | Lost 1-2 | -201582 |
| 2standard | 393 | Van Zeeland, Thomas (1438) | Won 2-0 | +151597 |
| 3standard | 550 | Austin, Shawn (1639) | Lost 1-2 | -171580 |
| 4standard | 573 | Heathcock, Joe (1483) | Lost 1-2 | -201560 |
| 5standard | 563 | Wible, Mike (1366) | Won 2-0 | +151575 |
| 6standard | 505 | Judge, Tom (1464) | Lost 1-2 | -201555 |
| top | average opponent: 1482record: 2-4 | new rating: 1555 | ||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 128 | Wisneski, Shawn (1524) | Won 2-1 | +191501 |
| 2standard | 288 | Pratt, Phil (1510) | Won 2-0 | +181519 |
| 3standard | 270 | Kirk, Mitchell (1500) | Won 2-0 | +181537 |
| 4standard | 10 | Song, Jungin (1548) | Lost 0-2 | -181519 |
| 5standard | 305 | Koon, David (1651) | Won 2-1 | +211540 |
| 6standard | 138 | Betesh, Ralph (2049) | Won 2-1 | +261566 |
| 7standard | 73 | Sandrin, Ryan (1619) | Won 2-1 | +191585 |
| 8standard | 43 | Pressley, Tyler (1713) | Won 2-1 | +201605 |
| 9standard | 32 | Rodriguez, Ronald (1766) | Won 2-1 | +211626 |
| 10standard | 272 | Mascio, Anthony (1746) | Lost 1-2 | -151611 |
| 11standard | 288 | Vargas, Manuel (1633) | Won 2-1 | +181629 |
| 12standard | 269 | Bruce, Adam (1600) | Won 2-1 | +171646 |
| 13standard | 269 | F, Jack (1631) | Lost 1-2 | -181628 |
| 14standard | 289 | Sajgalik, Eduardo (2053) | Lost 0-2 | -111617 |
| 15standard | 304 | Cullum, Travis (1733) | Lost 0-2 | -151602 |
| top | average opponent: 1685record: 10-5 | new rating: 1602 | ||
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 267 | Mullaly, Kevin (1500) | Lost 1-2 | -181482 |
| 2standard | 472 | Nemitz, Mitchell (1483) | Won 2-1 | +181500 |
| 3standard | 374 | Boyer, John (1480) | Won 2-0 | +181518 |
| 4standard | 389 | Dowling, Michael (1567) | Lost 1-2 | -171501 |
| 5standard | 526 | Campbell, Blaine (1494) | Lost 1-2 | -191482 |
| top | average opponent: 1505record: 2-3 | new rating: 1482 | ||