Grayson, Shane
Current rating: 1469
Record: 30-31
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 77 | Berman, Paul (1595) | Lost 0-2 | -171500 |
| 2pioneer | 525 | Snook, Adam (1812) | Won 2-1 | +241524 |
| 3pioneer | 374 | Santiago, Jose (1519) | Lost 0-2 | -181506 |
| 4pioneer | 471 | Ramsey, Nathan (1482) | Lost 0-2 | -191487 |
| 5pioneer | 476 | Fatigate, Donato (1488) | Lost 0-2 | -181469 |
| top | average opponent: 1579record: 1-4 | new rating: 1469 | ||
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 269 | Harting, Brian (1500) | Won 2-1 | +171537 |
| 2sealed | 178 | Houle, Sebastien (1340) | Lost 0-0 | -211516 |
| 3sealed | 464 | Wellman, Bin (1501) | Won 2-1 | +171533 |
| 4sealed | 185 | Fairchild, Eric (1551) | Lost 0-2 | -171516 |
| 5sealed | 343 | Mangold, Andy (1458) | Won 2-1 | +171533 |
| 6sealed | 212 | Goble, Robert (1499) | Lost 0-2 | -191514 |
| 7sealed | 242 | He, Brandon (1613) | Lost 0-2 | -161498 |
| 8sealed | 213 | Rudolph, Jacob (1553) | Won 2-0 | +191517 |
| top | average opponent: 1502record: 4-4 | new rating: 1517 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 276 | Leaf, Brian (1470) | Lost 0-2 | -201539 |
| 2sealed | 484 | Malecki, Christopher (1592) | Won 2-0 | +191558 |
| 3sealed | 584 | Lehne, Bret (1472) | Lost 0-2 | -201538 |
| 4sealed | 588 | Horkley, Ben (1484) | Lost 1-2 | -191519 |
| 5sealed | 559 | Laikin, Stephan (1557) | Won 2-0 | +191538 |
| 6sealed | 438 | Thomas, Chris (1511) | Lost 0-2 | -181520 |
| top | average opponent: 1514record: 2-4 | new rating: 1520 | ||
| Grand Prix New Jersey 2017 (lim) (XLN limited) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 68 | Montero, Brian (1487) | Won 2-0 | +161602 |
| 2sealed | 160 | Gray, David (1431) | Won 2-0 | +151617 |
| 3sealed | 258 | Gavigan, Cody (1571) | Lost 1-2 | -191598 |
| 4sealed | 357 | White, Eli (1505) | Lost 0-2 | -201578 |
| 5sealed | 372 | Chen, Jason (1424) | Won 2-1 | +161594 |
| 6sealed | 271 | Nelson, Jon (1511) | Lost 0-2 | -201574 |
| 7sealed | 299 | Blondon, William (1566) | Lost 1-2 | -181556 |
| 8sealed | 320 | Jao, Jeff (1755) | Lost 0-2 | -141542 |
| 9sealed | 300 | Rife, Noah (1485) | Won 2-1 | +171559 |
| top | average opponent: 1526record: 4-5 | new rating: 1559 | ||
| Grand Prix Montreal 2016 (EMN limited) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2294 | Grondin, Gregory (1500) | Won 2-0 | +171588 |
| 2sealed | 2240 | Tibirna, Alexandru (1449) | Won 2-1 | +151603 |
| 3sealed | 2203 | Carino, Joseph (1602) | Won 0-0 | +181621 |
| 4sealed | 2075 | Swaluk, Jeff (1737) | Lost 0-2 | -161605 |
| 5sealed | 2071 | Century, Noah (1534) | Won 2-1 | +171622 |
| 6sealed | 2128 | Torrey, Dylan (1524) | Won 2-1 | +161638 |
| 7sealed | 2048 | Hussein, Tariq (1615) | Lost 0-2 | -181620 |
| 8sealed | 2142 | Boutin, Nathaniel (1796) | Lost 0-0 | -151605 |
| 9sealed | 2126 | Johnson, Noah (1538) | Lost 1-2 | -191586 |
| top | average opponent: 1588record: 5-4 | new rating: 1586 | ||
| Grand Prix Ottawa 2014 (KTK limited) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 371 | Feng, Kevin (1500) | Won 2-1 | +171550 |
| 2sealed | 242 | Poupart, Olivier (1606) | Won 2-1 | +191569 |
| 3sealed | 201 | Hum, Barry (1721) | Lost 1-2 | -151554 |
| 4sealed | 379 | Johnston, Chad (1523) | Won 2-0 | +181572 |
| 5sealed | 179 | Stoyles, Chris (1515) | Won 2-1 | +171589 |
| 6sealed | 61 | Sachlas, Peter (1677) | Won 2-1 | +191608 |
| 7sealed | 90 | Green, Kevin (1552) | Lost 0-2 | -191589 |
| 8sealed | 138 | Parks, Ian (1586) | Lost 0-2 | -181571 |
| top | average opponent: 1585record: 5-3 | new rating: 1571 | ||
| Grand Prix Montreal 2014 (BNG limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 182 | Perami, Keivan (1500) | Won 2-1 | +171536 |
| 2sealed | 377 | Duclos, Alexandre (1518) | Won 2-0 | +181554 |
| 3sealed | 76 | McLean, Louis (1495) | Won 2-1 | +171571 |
| 4sealed | 43 | Casselman, Jeffrey (1613) | Lost 0-2 | -171554 |
| 5sealed | 278 | Tiger, Daniel (1537) | Won 2-0 | +171571 |
| 6sealed | 135 | Dearing, David (1485) | Lost 0-2 | -191552 |
| 7sealed | 162 | Sebbag, Cedric (1508) | Lost 0-2 | -191533 |
| top | average opponent: 1522record: 4-3 | new rating: 1533 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 145 | St. Laurent, Mackenzie (1500) | Won 2-0 | +181518 |
| 2sealed | 217 | Della Bella, Lucas (1525) | Lost 1-2 | -181500 |
| 3sealed | 639 | Fyffe, Colin (1512) | Lost 0-2 | -181482 |
| 4sealed | 608 | Myers, Denton (1464) | Lost 1-2 | -181464 |
| 5sealed | 697 | Gardner, Jason (1464) | Won 2-0 | +181482 |
| 6sealed | 553 | Pelletier, Nick (1481) | Won 2-1 | +181500 |
| 7sealed | 452 | Haurilla, Matthew A (1519) | Won 2-0 | +181518 |
| 8sealed | 357 | Padierna, Jorge (1517) | Won 2-1 | +181536 |
| 9sealed | 203 | Remeika, John (1553) | Lost 0-2 | -171519 |
| top | average opponent: 1504record: 5-4 | new rating: 1519 | ||