Churchill, Samuel
Current rating: 1604
Record: 36-28
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1601 | |||
| round | table | opponent (rating) | result | Δrating |
| A2sealed | 456 | McGuire, Mark (1441) | Won 2-0 | +161617 |
| A3sealed | 67 | Livengood, Bryce (1534) | Won 2-0 | +161633 |
| A4sealed | 42 | Ellis, Bennett (1718) | Lost 0-2 | -161617 |
| A5sealed | 79 | Hayden, Alexander (1548) | Lost 0-2 | -201597 |
| A6sealed | 263 | Wersal, Gunther (1632) | Won 2-1 | +191616 |
| A7sealed | 143 | Gokey, Gary (1515) | Won 2-1 | +161632 |
| A8sealed | 121 | Svilich, Erik (1667) | Lost 1-2 | -171615 |
| B2sealed | 437 | Tone, Kevin (1451) | Won 2-1 | +151630 |
| B3sealed | 218 | Trendall, Tim (1308) | Lost 1-2 | -241606 |
| B4sealed | 233 | Haney, Lawrence (1513) | Won 2-0 | +161622 |
| B5sealed | 164 | McDowell, Rory (1632) | Won 2-1 | +191641 |
| B6sealed | 119 | Goldstein, Abram (1727) | Lost 0-2 | -171624 |
| B7sealed | 103 | Doffek, Ryan (1524) | Lost 1-2 | -201604 |
| top | average opponent: 1555record: 7-6 | new rating: 1604 | ||
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1624 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 230 | Milbank, Isaiah (1500) | Won 2-0 | +161640 |
| 2sealed | 167 | Cunningham, Jeff (1958) | Lost 1-2 | -131627 |
| 3sealed | 246 | Lin, Jasmine (1502) | Lost 1-2 | -201607 |
| 4sealed | 298 | Collingwood, Jesse (1463) | Won 2-0 | +161623 |
| 5sealed | 225 | Karding, Kenneth (1455) | Lost 0-2 | -221601 |
| top | average opponent: 1576record: 2-3 | new rating: 1601 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1697 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2 | Butler, Torin (1483) | Lost 1-2 | -221675 |
| 2modern | 534 | Royster, Brik (1482) | Lost 1-2 | -211654 |
| 3modern | 766 | Figgins, Alec (1401) | Won 2-0 | +131667 |
| 4modern | 776 | El-Dinary, Aaron (1481) | Lost 0-2 | -211646 |
| 5modern | 753 | Guerrero, Michael (1439) | Lost 0-2 | -221624 |
| top | average opponent: 1457record: 1-4 | new rating: 1624 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1658 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 454 | McGee, Mark (1326) | Won 2-1 | +131671 |
| 2modern | 131 | Johnson, Derek 5330 (1551) | Lost 1-2 | -211650 |
| 3modern | 599 | Stepka, Benjamin (1524) | Won 2-0 | +161666 |
| 4modern | 300 | Castro, Angel (1454) | Won 2-1 | +141680 |
| 5modern | 212 | Clark, Mason (1690) | Won 2-0 | +181698 |
| 6modern | 116 | Tilk, Jacob (1847) | Lost 0-2 | -151683 |
| 7modern | 403 | Tilsen, Patrick (1749) | Won 2-0 | +191702 |
| 8modern | 1318 | Gilison, Daniel (1586) | Won 2-0 | +161718 |
| 9modern | 5211 | Johnson, Chadd (1578) | Won 2-0 | +161734 |
| 10modern | 5056 | Collins, Kenyon (1889) | Lost 0-2 | -151719 |
| 11modern | 5139 | Bolding, Hunter (1604) | Lost 0-2 | -211698 |
| 12modern | 5160 | Huynh, Anthony (1851) | Lost 0-2 | -151683 |
| 13modern | 5154 | Burg, Steven (1624) | Won 2-1 | +171700 |
| 14modern | 5134 | Kinney, Ryan (1709) | Lost 1-2 | -181682 |
| 15modern | 5139 | Drew, Zachary (1498) | Won 2-0 | +151697 |
| top | average opponent: 1632record: 9-6 | new rating: 1697 | ||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1628 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2553 | Bessette, Andre (1488) | Won 2-1 | +151643 |
| 2modern | 2137 | Mei, Ken (1575) | Won 2-0 | +171660 |
| 3modern | 2170 | Jackson, Josh (1570) | Lost 0-2 | -201640 |
| 4modern | 2355 | Swanson, Sam (1602) | Won 2-1 | +171657 |
| 5modern | 2270 | Lau, Patrik (1551) | Lost 0-2 | -201637 |
| 6modern | 2394 | Chonka, Michael (1523) | Lost 0-2 | -201617 |
| 7modern | 2501 | Amiotte, Mary (1475) | Won 2-0 | +161633 |
| 8modern | 2264 | Sims, Harley (1453) | Won 2-1 | +151648 |
| 9modern | 2299 | Walterman, Austin (1639) | Won 2-1 | +171665 |
| 10modern | 2099 | Jules, Morgan (1533) | Won 2-1 | +161681 |
| 11modern | 2129 | Nelson, Ben (1583) | Won 2-0 | +161697 |
| 12modern | 2040 | Cornett, Thomas (1640) | Lost 0-2 | -191678 |
| 13modern | 2126 | Liao, Ali (1578) | Lost 1-2 | -201658 |
| top | average opponent: 1555record: 8-5 | new rating: 1658 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 209 | Whitworth, Mark (1500) | Won 0-0 | +181518 |
| 4sealed | 38 | Bai, Huaxing (1486) | Lost 1-2 | -191499 |
| 5sealed | 179 | Gottstein, Jeff (1646) | Won 2-0 | +211520 |
| 6sealed | 142 | Wilson, Jacob (1958) | Won 2-0 | +261546 |
| 7sealed | 76 | Slone, Ted (1632) | Won 2-1 | +191565 |
| 8sealed | 69 | Ueda, Jay (1680) | Won 2-1 | +201585 |
| 9sealed | 28 | Yang, Xiao Yu (Roy) (1658) | Won 2-0 | +201605 |
| 10draft | 204 | Lo, Jefferson (1687) | Lost 1-2 | -171588 |
| 11draft | 163 | Westbrook, Matthew (1857) | Lost 0-2 | -131575 |
| 12draft | 53 | Chan, James (1724) | Lost 0-2 | -151560 |
| 13draft | 145 | Damo da Rosa, Paulo Vitor (2043) | Won 2-1 | +261586 |
| 14draft | 95 | Ferry, Sergio (1621) | Won 2-1 | +181604 |
| 15draft | 47 | Davoudi, Mani (1895) | Won 2-1 | +241628 |
| top | average opponent: 1722record: 9-4 | new rating: 1628 | ||