Alcorn, James
Current rating: 1497
Record: 14-18-4
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 147 | Gagliardi, Joe (1656) | Won 2-0 | +211462 |
| 3standard | 251 | Fortanely, Bobby (1895) | Draw 1-1 | +81470 |
| 4standard | 174 | Patchell, John (1461) | Won 2-1 | +181488 |
| 5standard | 96 | Moore, Scott (1498) | Lost 1-2 | -181470 |
| 6standard | 213 | Thompson-Exner, Gavin (1685) | Lost 0-2 | -141456 |
| 7standard | 313 | Almas, Hassan (1444) | Won 2-0 | +181474 |
| 8standard | 222 | McCoy, David (1757) | Won 2-1 | +231497 |
| top | average opponent: 1628record: 4-2-1 | new rating: 1497 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1404 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 78 | Sewell, Matthew (1692) | Draw 1-1 | +51409 |
| 2standard | 278 | Winters, Ryan (1406) | Draw 1-1 | 01409 |
| 3standard | 467 | McCoy, Austin (1464) | Won 2-1 | +191428 |
| 4standard | 365 | Evans, Carl (1515) | Won 2-1 | +191447 |
| 5standard | 247 | Gervasi, Bronson (1603) | Lost 1-2 | -151432 |
| 6standard | 341 | Blanchard, Mac (1687) | Lost 0-2 | -131419 |
| 7standard | 391 | Macias, Mason (1415) | Won 2-1 | +181437 |
| 8standard | 313 | Cheaney, Jeff (1597) | Lost 0-2 | -161421 |
| 9standard | 295 | Holladay, Jacob (1484) | Won 2-0 | +201441 |
| top | average opponent: 1540record: 4-3-2 | new rating: 1441 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1402 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 217 | Miller, Michael (1447) | Draw 1-1 | +11403 |
| 3standard | 331 | Juan, William (1648) | Lost 1-2 | -141389 |
| 4standard | 492 | Palmer, Matthew (1496) | Won 2-1 | +201409 |
| 5standard | 340 | Carter, Curran (1518) | Won 0-0 | +201429 |
| 6standard | 217 | McDaniel, Charles (1667) | Lost 0-2 | -141415 |
| 7standard | 327 | Walker, Alexander (1533) | Won 2-0 | +211436 |
| 8standard | 235 | Toops, David (1564) | Lost 1-2 | -161420 |
| 9standard | 325 | Mathis, Jeffrey (1510) | Lost 0-2 | -161404 |
| top | average opponent: 1548record: 3-4-1 | new rating: 1404 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 156 | Davis, Jonathan (1499) | Lost 0-2 | -171414 |
| 3sealed | 176 | Faulkner, Derick (1587) | Lost 1-2 | -151399 |
| 4sealed | 270 | Farmer, Tyler (1480) | Won 2-0 | +201419 |
| 5sealed | 148 | Thevenot, James (1500) | Lost 0-2 | -171402 |
| top | average opponent: 1517record: 1-3 | new rating: 1402 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 235 | Winslow, Brian (1516) | Lost 0-2 | -181465 |
| 3standard | 429 | Palo, Alyxx (1520) | Lost 0-1 | -171448 |
| 4standard | 538 | Kingdon, Kent (1482) | Lost 1-2 | -171431 |
| top | average opponent: 1506record: 0-3 | new rating: 1431 | ||
| Grand Prix Albuquerque 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 239 | Smith, Brandon (1589) | Lost 0-1 | -161484 |
| 2standard | 371 | Sagartz, Stephen (1482) | Won 2-0 | +181502 |
| 3standard | 323 | Hernandez, Lino (1499) | Won 2-1 | +181520 |
| 4standard | 308 | Auburn, Andrew (1486) | Lost 0-2 | -191501 |
| 5standard | 419 | Larsen, Chris (1481) | Lost 0-2 | -181483 |
| top | average opponent: 1507record: 2-3 | new rating: 1483 | ||