Potter, James
Current rating: 1442
Record: 6-11
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 152 | Kempner, Jeremy (1535) | Won 2-0 | +201443 |
| 4sealed | 98 | Braun-Duin, Brian (2130) | Lost 1-2 | -71436 |
| 5sealed | 92 | Smith, Brenda (1482) | Won 2-0 | +191455 |
| 6sealed | 57 | Yu, Ben (1781) | Lost 0-2 | -131442 |
| top | average opponent: 1732record: 2-2 | new rating: 1442 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1108 | Ali, Rebecca (1469) | Lost 1-2 | -171417 |
| 2modern | 1478 | Lay, Robert (1481) | Won 2-0 | +191436 |
| 3modern | 1317 | Endres, Carl (1605) | Won 2-0 | +211457 |
| 4modern | 1407 | Cockrell, Joseph (1537) | Lost 1-2 | -171440 |
| 5modern | 1415 | Nowakowski, Stephen (1468) | Lost 0-2 | -171423 |
| top | average opponent: 1512record: 2-3 | new rating: 1423 | ||
| Grand Prix Richmond 2006 (GPT limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Gildea, Robert (1477) | Lost 0-2 | -171429 |
| 2sealed | 224 | Kokx, Jeff (1537) | Lost 0-2 | -161413 |
| 3sealed | 209 | Sugg, Austin (1429) | Won 2-0 | +181431 |
| 4sealed | 184 | Vansumeren, B (1482) | Won 2-0 | +191450 |
| 5sealed | 133 | Arant, Gary (1580) | Lost 0-2 | -161434 |
| top | average opponent: 1501record: 2-3 | new rating: 1434 | ||
| Grand Prix Washington DC 1999 (UDS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 10 | Styles, Mark (1500) | Lost 0-0 | -181482 |
| 2sealed | 119 | Fizer, John (1483) | Lost 0-0 | -181464 |
| 3sealed | 170 | Garrido, Ryan (1464) | Lost 0-0 | -181446 |
| top | average opponent: 1482record: 0-3 | new rating: 1446 | ||