Yost, Brett
Current rating: 1536
Record: 20-21
| Grand Prix Minneapolis 2014 (modern) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 544 | Johnson, Derek (1369) | Lost 1-2 | -211519 |
| 2modern | 618 | Oien, Christopher (1482) | Won 2-0 | +171536 |
| 3modern | 652 | Peterson, Gabriel (1473) | Won 2-1 | +171553 |
| 4modern | 580 | Kong, Xay (1572) | Lost 0-2 | -181535 |
| 5modern | 653 | Johnston, Brett (1645) | Won 2-0 | +201555 |
| 6modern | 439 | Pak, Byung (1519) | Lost 1-2 | -191536 |
| top | average opponent: 1510record: 3-3 | new rating: 1536 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 232 | Marchand, Justin (1500) | Won 2-0 | +171562 |
| 2modern | 154 | Manzano, Ox (1564) | Lost 0-0 | -181544 |
| 3modern | 420 | Confer, Andrew (1460) | Won 2-0 | +171561 |
| 4modern | 382 | Skinner, Troy (1526) | Won 2-1 | +171578 |
| 5modern | 179 | Munoz, Jose (1506) | Lost 1-2 | -191559 |
| 6modern | 409 | Rochette, Alex (1502) | Lost 0-2 | -191540 |
| top | average opponent: 1509record: 3-3 | new rating: 1540 | ||
| Grand Prix Chicago 2012 (modern) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 4modern | 124 | Silver, Zach (1500) | Won 2-1 | +181486 |
| 5modern | 21 | Boettcher, Jared (1708) | Lost 0-2 | -141472 |
| 6modern | 74 | Zell, Susan (1556) | Won 2-0 | +201492 |
| 7modern | 102 | Mena, Christopher (1522) | Won 2-0 | +181510 |
| 8modern | 45 | Kong, Xay (1589) | Won 2-0 | +201530 |
| 9modern | 20 | Farlee, Sean (1574) | Won 2-0 | +191549 |
| 10modern | 3 | Majlaton, Alex (2036) | Lost 0-2 | -101539 |
| 11modern | 47 | Puls, Matt (1620) | Won 2-0 | +191558 |
| 12modern | 30 | Lax, Ari (2020) | Lost 0-2 | -101548 |
| 13modern | 41 | Collora, Anthony P (1673) | Won 2-0 | +201568 |
| 14modern | 18 | Kozal, Tyler (1776) | Lost 1-2 | -141554 |
| 15modern | 28 | Nakamura, Shuhei (2081) | Lost 0-2 | -91545 |
| top | average opponent: 1721record: 7-5 | new rating: 1545 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 408 | Postlethwait, William (1915) | Lost 1-2 | -111480 |
| 5extended | 537 | Amburgey, Brad (1502) | Lost 1-2 | -171463 |
| 6extended | 575 | Hough, Bryan (1536) | Won 2-1 | +191482 |
| 7extended | 493 | Calderon, Andrew (1677) | Lost 0-2 | -141468 |
| top | average opponent: 1658record: 1-3 | new rating: 1468 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 559 | Snover, Aaron (1577) | Lost 0-2 | -161468 |
| 3sealed | 596 | Spooner, Craig A (1482) | Lost 1-2 | -181450 |
| 4sealed | 702 | Izzo, John J (1485) | Won 2-1 | +181468 |
| 5sealed | 647 | West, Danny (1478) | Won 2-1 | +191487 |
| 6sealed | 599 | Nelson, Will (1540) | Lost 0-2 | -171470 |
| 7sealed | 557 | Taylor, Eric (1609) | Lost 0-2 | -161454 |
| 8sealed | 523 | Buys, Linda (1482) | Won 2-0 | +191473 |
| 9sealed | 486 | Tordoff, David (1499) | Won 2-0 | +181491 |
| top | average opponent: 1519record: 4-4 | new rating: 1491 | ||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 292 | Glick, Aaron (1500) | Won 2-0 | +181518 |
| 3sealed | 41 | Haines, Joseph (1568) | Lost 1-2 | -171501 |
| 4sealed | 274 | Sokoloski, Chris (1517) | Lost 1-2 | -181483 |
| 5sealed | 398 | Injijian, Allen (1501) | Won 2-1 | +191502 |
| 6sealed | 232 | Makulec, Ross (1520) | Lost 1-2 | -181484 |
| top | average opponent: 1521record: 2-3 | new rating: 1484 | ||