Grayson, Larry
Current rating: 1282
Record: 8-23-1
| Grand Prix Charlotte 2015 (modern) | starting rating: 1311 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 555 | Hughes, Andrew (1466) | Lost 0-2 | -151296 |
| 2modern | 572 | Trillow, Weslee (1494) | Lost 0-2 | -141282 |
| 3modern | 637 | Uzoaru, Ijeoma (1463) | Draw 1-1 | +31285 |
| 4modern | 630 | Hinkle, Daniel J (1463) | Won 2-1 | +211306 |
| 5modern | 556 | Rudeseal, Adam (1446) | Won 2-0 | +211327 |
| 6modern | 471 | Kiemes, Johannes (1486) | Lost 0-2 | -161311 |
| 7modern | 454 | Mcmahon, Keegan H (1484) | Lost 0-2 | -141297 |
| 8modern | 410 | Johnson, Shawn (1481) | Lost 0-2 | -151282 |
| top | average opponent: 1473record: 2-5-1 | new rating: 1282 | ||
| Grand Prix Memphis 2015 (FRF standard) | starting rating: 1380 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 284 | Saputo, Alex (1500) | Won 2-0 | +211401 |
| 2standard | 144 | Prehn, Jeremiah (1519) | Lost 1-2 | -161385 |
| 3standard | 379 | Woodall, Cody (1502) | Won 2-1 | +201405 |
| 4standard | 203 | Case, Adam (1486) | Lost 1-2 | -171388 |
| 5standard | 268 | Jarvis, Aaron (1614) | Lost 0-2 | -141374 |
| 6standard | 319 | Crafton, Jonathan (1485) | Lost 0-2 | -161358 |
| 7standard | 305 | Sexton, Spencer (1497) | Lost 0-2 | -151343 |
| 8standard | 249 | Pantagis, Ian (1444) | Lost 1-2 | -161327 |
| 9standard | 208 | Courtright, Kevin (1465) | Lost 1-2 | -161311 |
| top | average opponent: 1501record: 2-7 | new rating: 1311 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 360 | McCullough, Brian (1522) | Lost 1-2 | -161393 |
| 2sealed | 553 | Yamonico, Louis (1482) | Won 2-0 | +191412 |
| 3sealed | 684 | Wall, Chris (1404) | Won 2-1 | +181430 |
| 4sealed | 500 | Thacker, Thomas (1524) | Lost 1-2 | -161414 |
| 5sealed | 560 | Komisarow, Kirk (1452) | Lost 0-2 | -171397 |
| 6sealed | 601 | Spezzo, Vincent (1489) | Lost 0-2 | -171380 |
| top | average opponent: 1479record: 2-4 | new rating: 1380 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 101 | Collazos, Michael (1500) | Won 2-1 | +181518 |
| 2standard | 281 | Moll, Alex (1518) | Lost 0-2 | -181500 |
| 3standard | 237 | Gonzalez, Gabriel (1499) | Lost 0-2 | -181482 |
| 4standard | 497 | Geberovich, Benjamin (1455) | Lost 0-2 | -191463 |
| 5standard | 521 | Rukes, Jonathan (1466) | Lost 0-2 | -171446 |
| 6standard | 464 | Barlak, John (1396) | Lost 1-2 | -191427 |
| 7standard | 388 | Hoch, Nick (1427) | Lost 1-2 | -181409 |
| 8standard | 309 | Michael, Theresa (1365) | Won 2-1 | +171426 |
| 9standard | 252 | Shawn, Ashton (1474) | Lost 0-2 | -171409 |
| top | average opponent: 1456record: 2-7 | new rating: 1409 | ||