Prothero, Kevin A
Current rating: 1473
Record: 8-10
| Grand Prix Detroit 2016 (modern) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 667 | Long, Jennifer (1541) | Lost 1-2 | -171426 |
| 2modern | 929 | Sapone, Jacob (1540) | Won 2-0 | +201446 |
| 3modern | 528 | Wilson, Dylan (1501) | Won 2-1 | +191465 |
| 4modern | 569 | Messelaar, Brian (1492) | Won 2-1 | +191484 |
| 5modern | 499 | Alsept, Donald (1530) | Won 2-0 | +191503 |
| 6modern | 186 | Teagan, Kyle (1507) | Lost 1-2 | -181485 |
| 7modern | 447 | Cline, Branden (1654) | Lost 0-2 | -151470 |
| 8modern | 587 | Gregory, Christopher (1565) | Lost 1-2 | -161454 |
| 9modern | 523 | Wonnacott, Monty (1503) | Won 2-0 | +191473 |
| average opponent: 1537record: 5-4 | new rating: 1473 | |||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 469 | Hathcox, Chris (1500) | Lost 1-2 | -181482 |
| 2modern | 942 | Fleming, Chase (1482) | Lost 1-2 | -181464 |
| 3modern | 1107 | Schmitt, JR (1465) | Lost 1-2 | -181446 |
| 4modern | 1225 | Patterson, Val (1445) | Won 2-0 | +181464 |
| 5modern | 1014 | Mack, Joseph (1413) | Won 2-0 | +171481 |
| 6modern | 916 | Lee, Jonathan 2798 (1481) | Lost 0-2 | -181463 |
| 7modern | 733 | Young, Tyler (1382) | Lost 1-2 | -191444 |
| 8modern | 618 | Feil, Joseph (1448) | Won 2-0 | +181462 |
| 9modern | 473 | Cable, Joshua (1402) | Lost 1-2 | -191443 |
| average opponent: 1446record: 3-6 | new rating: 1443 | |||