Whitehead, Rennard
Current rating: 1436
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 123 | Sainz, Raymond (1585) | Won 2-1 | +201511 |
| 3modern | 179 | Prieto, Danilo (1518) | Won 2-1 | +181529 |
| 4modern | 36 | Greenberg, Jacob (1561) | Lost 1-2 | -171512 |
| 5modern | 73 | Chaves, Anthony (1502) | Lost 0-2 | -181494 |
| 6modern | 268 | Simpson-Black, Mark (1469) | Lost 0-2 | -191475 |
| 7modern | 200 | Trinh, Micheal (1421) | Lost 0-2 | -191456 |
| 8modern | 195 | Kaipainen, Anttu (1326) | Lost 0-2 | -201436 |
| top | average opponent: 1483record: 2-5 | new rating: 1436 | ||
| Grand Prix Toronto 2019 (modern) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 101 | Dhar, Anmol (1539) | Lost 1-2 | -171442 |
| 3modern | 514 | White, Spencer (1372) | Won 2-0 | +171459 |
| 4modern | 393 | Lafortune, Nicho (1518) | Won 2-0 | +191478 |
| 5modern | 162 | Campbell, Donald (1697) | Lost 1-2 | -141464 |
| 6modern | 343 | Denno, Maxim (1486) | Won 2-0 | +181482 |
| 7modern | 145 | Benn, Adam (1724) | Won 2-1 | +231505 |
| 8modern | 160 | McKee, Thomas (1776) | Lost 0-2 | -141491 |
| top | average opponent: 1587record: 4-3 | new rating: 1491 | ||
| Grand Prix Orlando 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 238 | Ramirez de Arellano, Alex (1462) | Won 2-1 | +171517 |
| 2standard | 131 | Karpe, Steven (1518) | Lost 0-2 | -181499 |
| 3standard | 263 | Pritchett, Shane (1499) | Lost 1-2 | -181481 |
| 4standard | 385 | Edstrom, Timothy (1505) | Lost 1-2 | -171464 |
| 5standard | 425 | Arroyo, Josue (1524) | Lost 1-2 | -171447 |
| 6standard | 366 | Oyola, Israel (1433) | Won 2-1 | +181465 |
| 7standard | 293 | Sipe, Gary (1467) | Lost 1-2 | -181447 |
| 8standard | 253 | Livingston, Denise (1113) | Won 2-0 | +121459 |
| top | average opponent: 1440record: 3-5 | new rating: 1459 | ||