Cassels, Iain
Current rating: 1657
Record: 31-24
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 62 | Shunamon, Lucas (1500) | Won 2-0 | +161608 |
| 2sealed | 20 | He, Jennifer (1464) | Won 2-0 | +151623 |
| 3sealed | 125 | Jonah, Brandon (1526) | Won 2-0 | +171640 |
| 4sealed | 15 | Gomez, Niko (1682) | Won 2-1 | +181658 |
| 5sealed | 8 | Bennett, Gavin (1763) | Lost 1-2 | -161642 |
| 6sealed | 108 | Miller, Colin (1864) | Won 2-1 | +221664 |
| 7sealed | 28 | Svelnis, Toby (1562) | Won 2-0 | +161680 |
| 8sealed | 10 | Davoudi, Mani (2011) | Lost 1-2 | -121668 |
| 9sealed | 72 | Brown, Ethan (1731) | Won 2-1 | +191687 |
| 10draft | 37 | Botelho, Chris (1839) | Won 2-1 | +211708 |
| 11draft | 51 | Ellis, Bennett (1786) | Lost 0-2 | -171691 |
| 12draft | 8 | Smith, Robert RC (1972) | Lost 1-2 | -131678 |
| 13draft | 66 | Ota, Masahito (1506) | Lost 0-2 | -211657 |
| top | average opponent: 1708record: 8-5 | new rating: 1657 | ||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2026 | Scott, Sinclair (1500) | Lost 0-2 | -191567 |
| 2modern | 2613 | Chan, David (1456) | Won 2-1 | +151582 |
| 3modern | 2354 | Lyonais, Gaeric (1498) | Won 2-1 | +171599 |
| 4modern | 2217 | MacMillan, Dan (1605) | Lost 0-2 | -181581 |
| 5modern | 2410 | Cole, Tyler (1467) | Won 2-0 | +161597 |
| 6modern | 2322 | Barley, Zach (1514) | Won 2-0 | +171614 |
| 7modern | 2235 | Malcolm, Liam (1397) | Lost 1-2 | -221592 |
| top | average opponent: 1491record: 4-3 | new rating: 1592 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 76 | O'Burke, Ryan (1500) | Won 2-1 | +171553 |
| 2standard | 237 | Franklin, Lance (1687) | Won 2-0 | +201573 |
| 3standard | 118 | Burns, Patrick (1610) | Won 2-0 | +191592 |
| 4standard | 10 | Keeth, Christian (1983) | Lost 0-2 | -111581 |
| 5standard | 286 | Mandelblatt, Zach (1805) | Won 0-0 | +221603 |
| 6standard | 196 | Ballardo, David (1594) | Won 2-0 | +181621 |
| 7standard | 87 | Berni, Roberto (1647) | Lost 0-2 | -181603 |
| 8standard | 85 | Gervasi, Bronson (1635) | Won 2-0 | +191622 |
| 9standard | 81 | Sundholm, Peter (1694) | Lost 1-2 | -171605 |
| 10standard | 216 | Reinke, Tyler (1546) | Lost 0-2 | -191586 |
| top | average opponent: 1670record: 6-4 | new rating: 1586 | ||
| Grand Prix Calgary 2013 (M14 standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 60 | Wanless, Michael (1500) | Lost 0-0 | -171469 |
| 2standard | 135 | Harlow, Kristopher (1531) | Won 2-0 | +191488 |
| 3standard | 2 | Patterson, Jason (1686) | Won 2-1 | +211509 |
| 4standard | 74 | Vidugiris, Gaudenis (1754) | Lost 0-2 | -131496 |
| 5standard | 74 | Martyn, Tadeus (1513) | Won 2-0 | +181514 |
| 6standard | 31 | Maclean, Elliot (1551) | Lost 1-2 | -171497 |
| 7standard | 74 | Omar-Bujak, Hakim (1428) | Won 2-1 | +171514 |
| 8standard | 69 | Rokne, Olav (1573) | Won 2-0 | +191533 |
| 9standard | 26 | Gagnon, Chris J (1540) | Won 2-0 | +181551 |
| 10standard | 30 | Madden, Gregory (1541) | Lost 1-2 | -181533 |
| 11standard | 37 | Chan, Eric W (1589) | Won 2-1 | +191552 |
| 12standard | 16 | Bae, Tony (1604) | Lost 0-2 | -171535 |
| 13standard | 45 | Steele, Brett (1568) | Lost 1-2 | -181517 |
| 14standard | 46 | Schmidt, Robbie (1547) | Won 2-1 | +191536 |
| top | average opponent: 1566record: 8-6 | new rating: 1536 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 268 | Roystan, Andrew (1598) | Lost 0-2 | -161484 |
| 3standard | 396 | White, Benjamin (1500) | Won 2-1 | +181502 |
| 4standard | 340 | Ledbetter, Alex (1722) | Lost 1-2 | -141488 |
| 5standard | 354 | LaSalle, Matt (1449) | Won 2-0 | +171505 |
| 6standard | 274 | McKenzie, Chadwick (1471) | Lost 1-2 | -191486 |
| top | average opponent: 1548record: 2-3 | new rating: 1486 | ||
| Grand Prix Vancouver 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 59 | Brooks, Daniel (1500) | Won 2-1 | +181518 |
| 2extended | 37 | Rogers, Scott (1488) | Lost 0-2 | -191499 |
| 3extended | 80 | Louie, Jason (1499) | Won 2-0 | +181517 |
| 4extended | 79 | Nordmarken, Shannon (1518) | Won 2-0 | +181535 |
| 5extended | 31 | Angulo, Enrique (1526) | Lost 0-2 | -181517 |
| 6extended | 83 | LaPille, Thomas (1544) | Lost 1-2 | -171500 |
| top | average opponent: 1512record: 3-3 | new rating: 1500 | ||