Harrison, Larry
Current rating: 1495
Record: 16-17
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 184 | Rimbey, Ben (1500) | Won 2-0 | +181527 |
| 2standard | 272 | Frigon, Luke (1651) | Lost 1-2 | -161511 |
| 3standard | 561 | Blosser, Jacob (1499) | Won 2-0 | +181529 |
| 4standard | 251 | Dodge, Jonathan (1501) | Lost 1-2 | -191510 |
| 5standard | 430 | Hicks, Jackson (1671) | Lost 0-2 | -151495 |
| top | average opponent: 1564record: 2-3 | new rating: 1495 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 213 | Parker, Ron (1379) | Lost 1-2 | -201467 |
| 2sealed | 221 | Gish, Matt (1537) | Won 2-1 | +201487 |
| 3sealed | 275 | Patten, Calvin (1486) | Won 2-1 | +181505 |
| 4sealed | 138 | Altendorf, Matthew (1497) | Lost 0-2 | -191486 |
| 5sealed | 204 | Leach, William (1424) | Won 2-1 | +171503 |
| 6sealed | 102 | Joye, Jason (1535) | Won 2-1 | +191522 |
| 7sealed | 73 | Troha, Dan (1820) | Lost 0-2 | -131509 |
| top | average opponent: 1525record: 4-3 | new rating: 1509 | ||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 251 | Staten, Skylar (1500) | Lost 0-2 | -181506 |
| 2standard | 405 | Crawley, Jeremy (1482) | Lost 0-2 | -191487 |
| top | average opponent: 1491record: 0-2 | new rating: 1487 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 469 | Phillips, Chris (1500) | Won 2-1 | +181519 |
| 2sealed | 15 | Rennard, Nick (1500) | Won 2-1 | +181537 |
| 3sealed | 101 | Beare, Tom (1576) | Lost 0-2 | -171520 |
| 4sealed | 194 | Chen, Lokman (1747) | Won 2-1 | +221542 |
| 5sealed | 173 | Toelken, Austin (1613) | Won 2-0 | +191561 |
| 6sealed | 154 | Asmann, Emily (1558) | Lost 0-2 | -181543 |
| 7sealed | 221 | Davis, Vincent (1501) | Lost 0-2 | -191524 |
| top | average opponent: 1571record: 4-3 | new rating: 1524 | ||
| Grand Prix Oakland 2010 (extended) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 108 | Scotton, David (1500) | Won 2-1 | +171534 |
| 2extended | 110 | Miller, William F (1500) | Lost 0-2 | -181516 |
| 3extended | 241 | Cheung, Canon (1517) | Won 2-1 | +181534 |
| 4extended | 125 | Viaene, Niels (1752) | Lost 0-2 | -141520 |
| 5extended | 233 | Devine, Ryan L (1501) | Lost 0-2 | -191501 |
| top | average opponent: 1554record: 2-3 | new rating: 1501 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 259 | Allbee, Christopher (1465) | Lost 0-2 | -191481 |
| 2standard | 409 | Shell, Clinton E (1482) | Won 2-1 | +181499 |
| 3standard | 276 | Harms, Jeff (1518) | Won 2-0 | +191518 |
| 4standard | 168 | Halim, Felix (1519) | Won 2-1 | +181536 |
| 5standard | 109 | Howard, Daniel (1503) | Won 2-1 | +171553 |
| 6standard | 116 | Correia, Kevin (1533) | Lost 0-2 | -181535 |
| 7standard | 219 | Nytch, Richard (1523) | Lost 0-2 | -181517 |
| top | average opponent: 1506record: 4-3 | new rating: 1517 | ||