Johnson, James B
Current rating: 1565
Record: 11-8-1
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 437 | Lekse, Jonathan (1445) | Won 2-0 | +161571 |
| 2sealed | 174 | Castillo-Vergara, Franklyn (1478) | Draw 1-1 | -21569 |
| 3sealed | 269 | Miller, Ben (1556) | Lost 0-2 | -181551 |
| 4sealed | 506 | Miskolitz, Brian (1437) | Won 2-0 | +161567 |
| 5sealed | 362 | Pickering, Matthew (1471) | Won 2-1 | +161583 |
| 6sealed | 231 | Fleming, Andrew (1554) | Lost 1-2 | -181565 |
| average opponent: 1490record: 3-2-1 | new rating: 1565 | |||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 133 | Simon, Cedric (1486) | Won 2-0 | +181518 |
| 3standard | 661 | Henry, Jake E (1555) | Won 2-1 | +181536 |
| 4standard | 42 | Bartley, Matthew (1679) | Won 2-0 | +211557 |
| 5standard | 40 | Duke, Ian (1853) | Won 2-1 | +231580 |
| 6standard | 37 | Kelley, Scotty (1566) | Lost 0-2 | -181562 |
| 7standard | 34 | Broomfield, Dane (1553) | Lost 0-2 | -181544 |
| 8standard | 150 | Ross, Jonathan (1723) | Won 2-0 | +211565 |
| 9standard | 59 | Kelly, Peter (1557) | Won 2-1 | +181583 |
| 10standard | 76 | Fortner, Phillip (1638) | Lost 0-2 | -171566 |
| 11standard | 71 | Clinton, Ben R (1598) | Lost 0-2 | -171549 |
| 12standard | 94 | Poncelet, Kevin (1536) | Lost 0-2 | -191530 |
| 14standard | 84 | DeTora, Melissa (1710) | Lost 0-2 | -141516 |
| 15standard | 78 | Sobieray, Andrew (1442) | Won 2-0 | +161532 |
| 16standard | 68 | Lynch, Brian (1807) | Won 2-0 | +231555 |
| average opponent: 1622record: 8-6 | new rating: 1555 | |||