Johnson, Nan
Current rating: 1354
Record: 7-18-1
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1419 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 97 | Clement, Joseph (1531) | Lost 0-2 | -161403 |
| 2standard | 544 | Farrell, Geoff (1393) | Draw 1-1 | -11402 |
| 4standard | 515 | Speth, Travis (1554) | Lost 0-2 | -151387 |
| 5standard | 615 | Carter, Jonathan (1466) | Lost 1-2 | -161371 |
| 6standard | 646 | Lerch, Philip (1468) | Lost 0-2 | -171354 |
| top | average opponent: 1483record: 0-4-1 | new rating: 1354 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1392 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 366 | Cavis, Zachary (1558) | Won 2-1 | +211413 |
| 4modern | 206 | Ozalas, David (1472) | Won 2-1 | +191432 |
| 5modern | 114 | Berrios, Stephen (1936) | Lost 1-2 | -101422 |
| 6modern | 79 | Anctil, Kevin (1820) | Won 2-1 | +251447 |
| 7modern | 191 | Gostek, Ryan (1633) | Won 2-0 | +211468 |
| 8modern | 63 | Repp, Ryan (1566) | Lost 0-2 | -161452 |
| 9modern | 238 | French, Rick (1576) | Won 2-1 | +201472 |
| 10modern | 138 | Murdoch, Sean (1669) | Lost 0-2 | -141458 |
| 11modern | 111 | Ferrando, Matthew (1835) | Lost 1-2 | -111447 |
| 12modern | 136 | Asselin, Philippe (1760) | Lost 0-2 | -131434 |
| 13modern | 146 | Wakelee, Mike (1572) | Lost 0-2 | -151419 |
| top | average opponent: 1672record: 5-6 | new rating: 1419 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 397 | Hill, Thomas (1535) | Lost 0-2 | -171429 |
| 2sealed | 449 | Funkhouser, Ryan (1374) | Lost 0-2 | -191410 |
| 3sealed | 586 | Christopher, William (1378) | Lost 0-2 | -181392 |
| top | average opponent: 1429record: 0-3 | new rating: 1392 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 289 | Arepally, Rohan (1500) | Lost 1-2 | -181482 |
| 2modern | 471 | Walter, Christopher (1485) | Won 2-0 | +181500 |
| 3modern | 594 | Caligiuri, Scott (1565) | Won 2-0 | +191519 |
| 4modern | 423 | Hermann, Brian (1485) | Lost 1-2 | -181501 |
| 5modern | 385 | Phillips, Kristof (1482) | Lost 0-2 | -191482 |
| 6modern | 490 | Brunette, Kyle (1496) | Lost 0-2 | -171465 |
| 7modern | 399 | Awe, Brent (1415) | Lost 0-2 | -191446 |
| top | average opponent: 1490record: 2-5 | new rating: 1446 | ||