Walker, Kalvin
Current rating: 1516
Record: 11-11
| Grand Prix Vancouver 2014 (THS standard) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 110 | Szadiak, Emilio (1538) | Won 2-1 | +181525 |
| 4standard | 20 | Dhanani, Ahmad (1773) | Lost 1-2 | -131512 |
| 5standard | 105 | Nguyen, Charlie (1553) | Won 2-0 | +181530 |
| 6standard | 106 | Grant, Noah (1553) | Won 2-1 | +191549 |
| 7standard | 33 | MacLean, Aaron (1592) | Lost 1-2 | -171532 |
| 8standard | 56 | Dorsett, Zachariah (1649) | Lost 1-2 | -161516 |
| top | average opponent: 1609record: 3-3 | new rating: 1516 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 829 | Tobin, Brendan (1500) | Won 2-1 | +181502 |
| 2sealed | 857 | Trossbach, Martin (1583) | Won 2-1 | +201522 |
| 3sealed | 522 | McCary, Sean (1586) | Won 2-1 | +191541 |
| 4sealed | 774 | Jacobson, Mark (1635) | Lost 1-2 | -161525 |
| 5sealed | 570 | Schlereth, Kevin (1533) | Lost 0-2 | -181507 |
| top | average opponent: 1568record: 3-2 | new rating: 1507 | ||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 126 | Teller, Tj (1518) | Lost 1-2 | -171483 |
| 3sealed | 146 | Hyodo, Bob S (1499) | Lost 0-2 | -181465 |
| 4sealed | 322 | Iwaasa, Teigen (1482) | Won 2-0 | +181483 |
| 5sealed | 276 | Jones, Steven P (1499) | Won 2-0 | +191502 |
| 6sealed | 226 | Morris, Daniel (1518) | Lost 0-2 | -181484 |
| top | average opponent: 1503record: 2-3 | new rating: 1484 | ||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 14 | Rodgers, Dave (1454) | Won 2-1 | +171517 |
| 3sealed | 187 | Fettback, Brandon (1502) | Lost 1-2 | -181499 |
| 4sealed | 262 | Brown, Jacob (1521) | Lost 1-2 | -181481 |
| 5sealed | 385 | Bannan, James (1499) | Won 2-1 | +191500 |
| 6sealed | 234 | Spoth, Jeffrey (1516) | Won 2-1 | +181518 |
| 7sealed | 245 | Richards, Llew (1540) | Lost 1-2 | -181500 |
| top | average opponent: 1505record: 3-3 | new rating: 1500 | ||