Duncan, James
Current rating: 1395
Record: 2-8
| Grand Prix Columbus 2016 (legacy) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 212 | Chism, Aaron (1488) | Lost 1-2 | -171449 |
| 2legacy | 697 | Risner, James (1433) | Won 2-1 | +171466 |
| 3legacy | 444 | Schmitz, Corey (1482) | Lost 1-2 | -171449 |
| 4legacy | 671 | Seraphinoff, Nicholas (1484) | Lost 1-2 | -181431 |
| 5legacy | 732 | Meadows, Justin (1401) | Lost 1-2 | -181413 |
| 6legacy | 761 | Cottrill, Bob (1436) | Lost 1-2 | -181395 |
| average opponent: 1454record: 1-5 | new rating: 1395 | |||
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 180 | Moorton, Charlie (1529) | Lost 0-2 | -171483 |
| 2standard | 361 | Lagon, Jan (1538) | Lost 0-2 | -171466 |
| 3standard | 497 | Wren, Michael (1466) | Won 1-0 | +181484 |
| 4standard | 376 | van der Burgh, Rob (1519) | Lost 0-2 | -181466 |
| average opponent: 1513record: 1-3 | new rating: 1466 | |||