Walker, James
Current rating: 1458
Record: 21-25-2
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 256 | Young, Derek (1636) | Lost 0-2 | -151433 |
| 2standard | 292 | Stott, Floyd (1480) | Won 2-0 | +191452 |
| 3standard | 90 | St. Leger, James (1421) | Won 2-0 | +171469 |
| 4standard | 301 | Yeung, Chun Hei (1489) | Lost 1-2 | -171452 |
| 5standard | 308 | Topp, Jordan (1652) | Won 2-1 | +211473 |
| 6standard | 202 | Azadian, Shaunt (1567) | Lost 0-2 | -161457 |
| 7standard | 250 | Hamilton-Lecky, Kyle (1497) | Draw 0-0 | +11458 |
| top | average opponent: 1535record: 3-3-1 | new rating: 1458 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 641 | Boyle, Steve (1500) | Lost 1-2 | -171429 |
| 2modern | 865 | Perez, Alexis (1482) | Won 2-1 | +191448 |
| top | average opponent: 1491record: 1-1 | new rating: 1448 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 591 | Crider, Chuck C (1475) | Lost 1-2 | -181423 |
| 2sealed | 609 | Palmer, James (1485) | Won 2-0 | +191442 |
| 3sealed | 629 | Rickman, Edward (1485) | Won 2-1 | +191461 |
| 4sealed | 475 | Polizzi, Jack (1518) | Won 2-0 | +191480 |
| 5sealed | 434 | Pazel, John (1495) | Lost 1-2 | -181462 |
| 6sealed | 490 | Bowen, Toby (1520) | Lost 0-2 | -161446 |
| top | average opponent: 1496record: 3-3 | new rating: 1446 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1385 | Smith, Benjamin (1500) | Lost 0-2 | -171441 |
| top | record: 0-1 | new rating: 1441 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 479 | Dahl, Emily (1500) | Won 2-0 | +181494 |
| 2sealed | 176 | Findley, Anna (1446) | Lost 1-2 | -181476 |
| 3sealed | 384 | Kelly, Liam (1497) | Lost 0-2 | -181458 |
| top | average opponent: 1481record: 1-2 | new rating: 1458 | ||
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 90 | Yampolsky, Ben (1572) | Lost 0-2 | -171471 |
| 5standard | 122 | Miller, Joshua D (1581) | Draw 1-1 | +21473 |
| 6standard | 107 | Morris, John (1561) | Won 2-0 | +201493 |
| 7standard | 61 | Bennett, Jonathan (1551) | Lost 0-2 | -171476 |
| top | average opponent: 1566record: 1-2-1 | new rating: 1476 | ||
| Grand Prix Nashville 2012 (DKA limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 219 | Braswell, Philip L (1500) | Lost 0-2 | -181507 |
| 3sealed | 260 | Jones, Christopher (1455) | Lost 1-2 | -191488 |
| top | average opponent: 1478record: 0-2 | new rating: 1488 | ||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 112 | Acuna, Martin (1500) | Lost 1-2 | -181529 |
| 3standard | 225 | Desposito, Nicolas (1416) | Won 2-1 | +161545 |
| 4standard | 310 | Shawn, Ashton (1518) | Won 2-1 | +171562 |
| 5standard | 116 | Fedon, Gerardo (1538) | Lost 1-2 | -181544 |
| 6standard | 275 | Shepherd, Jessie (1518) | Lost 1-2 | -191525 |
| top | average opponent: 1498record: 2-3 | new rating: 1525 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 416 | Mohr, Bryan (1683) | Won 2-0 | +211536 |
| 5extended | 430 | Hunt, Matthias (1607) | Lost 0-2 | -171519 |
| 6extended | 431 | Lee, Lauren (1498) | Won 2-1 | +181537 |
| 7extended | 444 | Conyers, Melvin (1564) | Won 2-0 | +181555 |
| 8extended | 421 | Utter-Leyton, Josh (2092) | Lost 1-2 | -91546 |
| 9extended | 454 | Greer, William T (1563) | Won 2-0 | +191565 |
| 10extended | 65 | Ferrando, Matthew (1734) | Lost 1-2 | -151550 |
| 11extended | 79 | Cardona, Amilcar (1524) | Won 2-1 | +171567 |
| 12extended | 37 | Epstein, Zivvy (1563) | Lost 1-2 | -181549 |
| 13extended | 61 | Laufersweiler, Owen (1525) | Won 2-1 | +181567 |
| 14extended | 38 | Beg, Zaiem (1500) | Lost 1-2 | -201547 |
| top | average opponent: 1623record: 6-5 | new rating: 1547 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 123 | Christensen, Andrew (1500) | Won 2-0 | +181518 |
| 2sealed | 114 | Tran, Chi K (1578) | Won 2-1 | +191537 |
| 3sealed | 8 | White, Damien (1473) | Won 2-1 | +171554 |
| 4sealed | 75 | Ratz, Matt A (1541) | Lost 0-2 | -181536 |
| 5sealed | 90 | Revell, Sean (1464) | Lost 1-2 | -201516 |
| 6sealed | 192 | Lukas, Andrew M (1487) | Won 2-1 | +181534 |
| 7sealed | 147 | Olson, Lance (1483) | Lost 0-2 | -191515 |
| top | average opponent: 1504record: 4-3 | new rating: 1515 | ||