Biggerstaff, Matthias
Current rating: 1521
Record: 5-4
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 297 | Pennock, Abigail (1500) | Won 2-1 | +181518 |
| 2modern | 298 | Allen, Willow (1520) | Won 2-0 | +181536 |
| 3modern | 45 | Howitt, Josh (1443) | Won 2-0 | +161552 |
| 4modern | 88 | Corless, DJ (1631) | Won 0-0 | +201572 |
| 5modern | 16 | Rennie, Evan (1602) | Lost 1-2 | -181554 |
| 6modern | 86 | Huckeby, Tim (1654) | Lost 0-2 | -161538 |
| 7modern | 212 | Bugarin, William (1563) | Lost 1-2 | -171521 |
| 8modern | 219 | Berryman, Logan (1535) | Won 2-1 | +181539 |
| 9modern | 247 | Pham, Thomas (1546) | Lost 1-2 | -181521 |
| average opponent: 1555record: 5-4 | new rating: 1521 | |||