Whetstone, John Phillip
Current rating: 1538
Record: 21-20
| Grand Prix Richmond 2019 (ELD standard) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 92 | Fiffles, Adam (1875) | Lost 0-2 | -131572 |
| 4standard | 187 | Pyka, Jeffrey (1757) | Lost 0-2 | -151557 |
| 5standard | 226 | Clark, Kyle (1504) | Lost 0-2 | -191538 |
| top | average opponent: 1712record: 0-3 | new rating: 1538 | ||
| Grand Prix Memphis 2018 (RIX standard) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 110 | Johnson, KC (1555) | Lost 0-2 | -191587 |
| 4standard | 345 | Cox, Trevor (1464) | Won 2-0 | +161603 |
| 5standard | 115 | Eng, Edward (1820) | Won 2-1 | +221625 |
| 6standard | 115 | Camacho, Ruarke (1537) | Lost 0-2 | -201605 |
| 7standard | 101 | Cook, Jody (1485) | Lost 1-2 | -201585 |
| top | average opponent: 1572record: 2-3 | new rating: 1585 | ||
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1640 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 105 | Chaffin, Jade (1518) | Won 2-0 | +161656 |
| 3sealed | 12 | Mei, Mike Songhao (1784) | Lost 0-2 | -161640 |
| 4sealed | 214 | Guy, Curtis A (1504) | Lost 0-2 | -201620 |
| 5sealed | 361 | O'Bryant, Christopher (1837) | Lost 1-2 | -141606 |
| top | average opponent: 1661record: 1-3 | new rating: 1606 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 397 | Green, Adam (1471) | Won 2-1 | +181524 |
| 2modern | 406 | Riggs, Matthew (1522) | Won 2-1 | +181542 |
| 3modern | 186 | Gregory, Evan (1487) | Won 2-1 | +171559 |
| 4modern | 220 | Cook, Anthony (1690) | Won 2-1 | +201579 |
| 5modern | 47 | Busche, Josh (1452) | Lost 1-2 | -201559 |
| 6modern | 229 | Shenhar, Shahar (1769) | Lost 1-2 | -141545 |
| 7modern | 178 | Adams, Richard (1655) | Lost 1-2 | -161529 |
| 8modern | 444 | Do, Mimi (1526) | Won 2-0 | +171546 |
| 9modern | 248 | Bruce, Evan (1538) | Won 2-0 | +181564 |
| 10modern | 996 | Meshell, Richard (1530) | Won 2-0 | +181582 |
| 11modern | 1028 | Coleman, Harold (1579) | Lost 0-2 | -181564 |
| 12modern | 1046 | Cheatham, Adam (1559) | Won 2-0 | +181582 |
| 13modern | 970 | Brown, Andrew (1932) | Won 2-1 | +241606 |
| 14modern | 939 | Hopp, Chris (1588) | Won 2-1 | +171623 |
| 15modern | 917 | Warner, Todd (1557) | Won 2-1 | +171640 |
| top | average opponent: 1590record: 11-4 | new rating: 1640 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 426 | Jacot, Ethan (1500) | Won 2-0 | +181503 |
| 2modern | 124 | Henke, Patrick (1483) | Lost 0-2 | -181485 |
| 3modern | 932 | Piazza, John (1555) | Won 2-1 | +191504 |
| 4modern | 632 | Belair, Matt (1518) | Won 2-1 | +181522 |
| 5modern | 405 | Dorgan, Kyle (1632) | Lost 0-2 | -161506 |
| 6modern | 362 | DiLoreto, Christopher (1522) | Won 2-0 | +181524 |
| 7modern | 385 | Mickel, Freddy (1536) | Won 2-1 | +191543 |
| 8modern | 345 | Fryer, Tom (1537) | Lost 0-2 | -181525 |
| 9modern | 443 | Coleson, Brandon (1512) | Lost 1-2 | -191506 |
| top | average opponent: 1533record: 5-4 | new rating: 1506 | ||
| Grand Prix Indianapolis 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 231 | Hites, Scott (1500) | Lost 1-2 | -181482 |
| 2standard | 303 | Ramsey, Rebekah (1525) | Won 2-0 | +191501 |
| 3standard | 314 | Wild, Nicholas (1500) | Won 2-0 | +181519 |
| 4standard | 345 | Fraley, Derek (1641) | Lost 0-2 | -161503 |
| 5standard | 407 | Bower, James (1488) | Lost 0-2 | -181485 |
| top | average opponent: 1531record: 2-3 | new rating: 1485 | ||