Brock, Kristopher
Current rating: 1500
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 329 | Johnson, Colin (1500) | Lost 0-2 | -181506 |
| 2sealed | 495 | Hanley, Kevin (1458) | Won 2-0 | +171523 |
| 3sealed | 538 | Carter, Allen (1504) | Lost 0-2 | -181505 |
| 4sealed | 579 | Heiple, Bradley (1483) | Won 2-0 | +171522 |
| 5sealed | 588 | Hines, Pete (1471) | Lost 0-2 | -191503 |
| 6sealed | 526 | Patyk, Bryson (1488) | Won 2-1 | +181521 |
| 7sealed | 480 | Noble, Jim (1367) | Lost 1-2 | -211500 |
| top | average opponent: 1467record: 3-4 | new rating: 1500 | ||
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 252 | Kilmer, Micah (1456) | Won 2-1 | +181482 |
| 2sealed | 230 | Concha, James (1518) | Draw 1-1 | 01482 |
| 3sealed | 281 | Tang, Mitchell (1518) | Lost 1-2 | -171465 |
| 4sealed | 439 | Mills, Eric (1527) | Won 2-0 | +191484 |
| 5sealed | 311 | Hensley, Shannon (1438) | Won 2-0 | +171501 |
| 6sealed | 197 | Hollman, David (1507) | Won 2-0 | +191520 |
| 7sealed | 121 | Oldziey, Kalim (1727) | Won 2-0 | +211541 |
| 8sealed | 69 | Phillips, Seth (1607) | Lost 1-2 | -171524 |
| top | average opponent: 1537record: 5-2-1 | new rating: 1524 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 700 | Barnes, Thomas (1500) | Won 2-1 | +181518 |
| 2standard | 605 | Tessitore, Jimmy (1516) | Lost 0-2 | -181500 |
| 3standard | 766 | Foster, Donyphn R (1499) | Lost 0-2 | -181482 |
| 4standard | 1003 | Patton, Jacob (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1499record: 1-3 | new rating: 1464 | ||