Miller, John 1497
Current rating: 1546
Record: 10-9
| Grand Prix Detroit 2019 (M20 limited) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 201 | Mcnutt, Tom (1500) | Won 2-0 | +171561 |
| 2sealed | 109 | Guo, Alyson (1516) | Lost 0-2 | -181543 |
| 3sealed | 239 | Oberdieck, Edward (1469) | Won 2-0 | +161559 |
| 4sealed | 114 | Wu, Hao (1641) | Won 2-0 | +201579 |
| 5sealed | 103 | Moore, Nick (1627) | Lost 1-2 | -171562 |
| 6sealed | 121 | Naylor, Andrew (1733) | Won 2-1 | +211583 |
| 7sealed | 146 | Gianpetro, Anthony (1582) | Lost 1-2 | -181565 |
| 8sealed | 114 | Agrusa, Dan (1516) | Lost 0-2 | -191546 |
| average opponent: 1573record: 4-4 | new rating: 1546 | |||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 277 | Larson, Matthew (1500) | Lost 1-2 | -181482 |
| 2sealed | 335 | Lashbrook, Kirsten (1486) | Won 2-0 | +181500 |
| 3sealed | 437 | Fitzpatrick, James (1481) | Won 2-1 | +181518 |
| 4sealed | 375 | McNeal, Don (1561) | Won 2-1 | +191537 |
| 5sealed | 239 | Marchesano, Ernie (1736) | Won 2-1 | +211558 |
| 6sealed | 93 | Costello, Alexander (1628) | Won 2-1 | +191577 |
| 7sealed | 89 | Rowe, Jonathan (1898) | Won 2-0 | +241601 |
| 8sealed | 36 | Eapen, Roshen (1806) | Lost 1-2 | -141587 |
| 9sealed | 54 | Tilsen, Patrick (1892) | Lost 0-2 | -131574 |
| 10draft | 75 | Stalsberg, Chase (1824) | Lost 0-2 | -131561 |
| 11draft | 100 | Chaney, Lucas (1650) | Lost 0-2 | -171544 |
| average opponent: 1678record: 6-5 | new rating: 1544 | |||