Seddon, Ian
Current rating: 1558
Record: 17-16
| Grand Prix Vancouver 2015 (modern) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 135 | Rovegno, Kevin (1526) | Lost 1-2 | -181504 |
| 4modern | 217 | Bonomo, Justin (1518) | Won 2-1 | +181522 |
| 5modern | 153 | Wise, Christopher (1575) | Won 2-1 | +191541 |
| 6modern | 41 | Pickett, Alastair (1699) | Won 2-1 | +211562 |
| 7modern | 34 | Murdock, Trevor (1529) | Won 2-1 | +171579 |
| 8modern | 43 | Chreptyk, Brandon (1799) | Lost 0-2 | -141565 |
| 9modern | 66 | Gribov, Omry (1599) | Won 2-1 | +191584 |
| 10modern | 48 | Martell, Tom (1877) | Lost 1-2 | -131571 |
| 11modern | 57 | Calhoun, Robbie (1672) | Lost 0-2 | -161555 |
| 12modern | 59 | Eagle, Matthew (1600) | Won 2-1 | +191574 |
| 13modern | 44 | Oshie, Brian (1574) | Won 2-0 | +181592 |
| 14modern | 40 | Gerard, Stephane (1561) | Lost 1-2 | -191573 |
| 15modern | 43 | Chen, Cliff (1727) | Lost 0-2 | -151558 |
| top | average opponent: 1635record: 7-6 | new rating: 1558 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 2 | Scott, Joshua (1536) | Won 2-1 | +181545 |
| 4modern | 36 | Skarren, Frank (2080) | Lost 1-2 | -91536 |
| 5modern | 216 | Rusczyk, Jonathan (1515) | Won 2-0 | +171553 |
| 6modern | 147 | Weyler, James (1616) | Lost 0-2 | -171536 |
| 7modern | 148 | Friedman, Samuel (1715) | Lost 0-2 | -141522 |
| top | average opponent: 1692record: 2-3 | new rating: 1522 | ||
| Grand Prix Vancouver 2014 (THS standard) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 361 | Biero, Casey (1500) | Won 2-1 | +181485 |
| 2standard | 55 | Kiefer, Lucas (1518) | Lost 1-2 | -171468 |
| 3standard | 357 | Diamond, Josh (1508) | Lost 0-2 | -171451 |
| 4standard | 356 | Cote, Brad (1481) | Won 2-1 | +181469 |
| 5standard | 328 | James, Brett (1498) | Won 2-0 | +191488 |
| 6standard | 274 | Galaugher, Jordan (1523) | Won 2-1 | +181506 |
| 7standard | 146 | Fairbairn, William (1616) | Won 2-0 | +201526 |
| 8standard | 91 | Rotariu, Colin (1508) | Lost 1-2 | -181508 |
| 9standard | 129 | Rico Hernandez, Juan (1536) | Won 2-0 | +191527 |
| top | average opponent: 1521record: 6-3 | new rating: 1527 | ||
| Grand Prix Calgary 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 216 | Robertson, Ian (1520) | Lost 0-0 | -181482 |
| 2standard | 25 | Holmes, Aaron (1482) | Won 2-0 | +181500 |
| 3standard | 29 | MacLean, Aaron (1552) | Won 2-0 | +191519 |
| 4standard | 41 | Itani, Hiroshi (1550) | Lost 0-2 | -171502 |
| 5standard | 84 | Stapleton, Joshua (1554) | Lost 0-2 | -171485 |
| 6standard | 176 | Chris E., (1486) | Lost 1-2 | -181467 |
| top | average opponent: 1524record: 2-4 | new rating: 1467 | ||