Henry, Jon
Current rating: 1445
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 733 | Reedy, Joshua (1480) | Won 2-1 | +181470 |
| 2sealed | 673 | Cohen, Brett (1570) | Lost 1-2 | -161454 |
| 3sealed | 891 | Sacks, Justin (1503) | Won 2-0 | +191473 |
| 4sealed | 765 | O'Brien, Chris (1791) | Lost 1-2 | -121461 |
| 5sealed | 868 | Snyder, Joshua (1517) | Lost 0-2 | -171444 |
| 6sealed | 950 | Colletta, Adam (1482) | Won 2-0 | +181462 |
| 7sealed | 939 | Vass, Bradley (1502) | Lost 1-2 | -171445 |
| top | average opponent: 1549record: 3-4 | new rating: 1445 | ||
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 791 | Kirkpatrick, Greg (1394) | Lost 0-2 | -201462 |
| 2sealed | 1023 | Moisant, Alex (1560) | Lost 0-2 | -161446 |
| 3sealed | 1238 | Martin, Jeff (1447) | Won 2-1 | +181464 |
| 4sealed | 1161 | Woodson, David (1484) | Won 2-1 | +191483 |
| 5sealed | 1015 | Zimmerman, Michael (1507) | Lost 1-2 | -181465 |
| 6sealed | 1136 | Weingard, Daniel (1729) | Lost 1-2 | -131452 |
| top | average opponent: 1520record: 2-4 | new rating: 1452 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 963 | Sumrow, Stephen (1500) | Won 2-1 | +181518 |
| 2sealed | 481 | Mowls, Daniel (1518) | Lost 0-2 | -181500 |
| 3sealed | 345 | Minker, Sarah (1500) | Lost 1-2 | -181482 |
| 4sealed | 433 | Long, Bryan (1480) | Won 0-0 | +181500 |
| 5sealed | 361 | McLeod, Daniel (1502) | Lost 0-2 | -181482 |
| top | average opponent: 1500record: 2-3 | new rating: 1482 | ||