Duncan, Chris
Current rating: 1411
Record: 13-19
| Grand Prix Detroit 2013 (modern) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 148 | Karczewski, Matt (1539) | Lost 0-2 | -171438 |
| 2modern | 416 | Mester, James (1446) | Won 0-0 | +191457 |
| 3modern | 554 | Li, Binghan (1560) | Lost 1-2 | -171440 |
| 4modern | 625 | Seckel, Matthew (1490) | Won 2-0 | +191459 |
| 5modern | 525 | Rasmussen, Jeff (1698) | Lost 1-2 | -131446 |
| 6modern | 496 | Ketterer, Travis (1488) | Won 2-1 | +181464 |
| 7modern | 374 | Skoyles, Adam (1498) | Lost 0-0 | -171447 |
| 8modern | 359 | Russell, David M (1422) | Lost 0-2 | -181429 |
| 9modern | 308 | Conrad, Harry (1464) | Lost 1-2 | -181411 |
| top | average opponent: 1512record: 3-6 | new rating: 1411 | ||
| Grand Prix Kansas City 2013 (modern) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 109 | WARREN, STEFAN (1500) | Won 2-0 | +191487 |
| 2modern | 9 | Smyth Jr, Robert (1516) | Won 2-1 | +181505 |
| 3modern | 37 | H992, Charlie R (1536) | Lost 1-2 | -171488 |
| 4modern | 225 | Britten, Matt (1500) | Lost 0-2 | -181470 |
| 5modern | 278 | Wayne, Gary (1517) | Won 2-1 | +191489 |
| 6modern | 207 | Hipp, Jeffrey (1518) | Lost 0-2 | -181471 |
| 7modern | 225 | Henry, Dre (1511) | Won 2-0 | +191490 |
| 8modern | 169 | Davis, Justin (1512) | Lost 0-2 | -181472 |
| 9modern | 185 | Kelliher, Patrick (1502) | Lost 1-2 | -171455 |
| top | average opponent: 1512record: 4-5 | new rating: 1455 | ||
| Grand Prix Indianapolis 2013 (RTR limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 152 | Reynolds, Tim (1446) | Won 2-0 | +181499 |
| 2sealed | 228 | Sulla, Aaron (1631) | Lost 1-2 | -161483 |
| 3sealed | 190 | Ng, Sherwin (1416) | Lost 0-2 | -191464 |
| 4sealed | 342 | carlide, jake a (1482) | Won 2-0 | +181482 |
| 5sealed | 234 | Landree, Joshua (1605) | Lost 0-2 | -161466 |
| 6sealed | 270 | Louke, Mary (1396) | Won 2-1 | +171483 |
| 7sealed | 225 | Posont, Jack (1480) | Won 2-1 | +181501 |
| 8sealed | 190 | Centauri, Eric (1637) | Lost 0-2 | -151486 |
| 9sealed | 175 | Vermillion, Kaleb (1503) | Lost 1-2 | -181468 |
| top | average opponent: 1511record: 4-5 | new rating: 1468 | ||
| Grand Prix Shanghai 2011 (M12 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 88 | Bi, Mingjie (1500) | Lost 0-2 | -181482 |
| 2sealed | 184 | Wang, Lijun (1482) | Won 2-1 | +181500 |
| 3sealed | 149 | Bay, Daniel (1500) | Won 2-1 | +181518 |
| 4sealed | 118 | Yan, Tao (1483) | Lost 1-2 | -191499 |
| 5sealed | 228 | Jun, Zhang (1501) | Lost 0-2 | -181481 |
| top | average opponent: 1493record: 2-3 | new rating: 1481 | ||