Pennock, Michael
Current rating: 1533
Record: 5-4
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 39 | Kiirikki, Ari (1427) | Won 2-1 | +171517 |
| 2modern | 140 | Hoffeld, Joshua (1727) | Lost 1-2 | -151502 |
| 3modern | 276 | Scarborough, Austin (1606) | Won 2-1 | +201522 |
| 4modern | 320 | Boks, Nicole (1519) | Won 2-1 | +181540 |
| 5modern | 187 | Corless, DJ (1611) | Won 2-1 | +201560 |
| 6modern | 107 | Sams, Randy (1555) | Lost 0-2 | -191541 |
| 7modern | 144 | Pierce, Stephen (1620) | Won 2-1 | +201561 |
| 8modern | 84 | Goolsby, Curtis (1619) | Lost 0-2 | -171544 |
| 9modern | 260 | McVety, Max (1955) | Lost 1-2 | -111533 |
| average opponent: 1627record: 5-4 | new rating: 1533 | |||