Miyajima, John
Current rating: 1490
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 198 | Roulston, Ryan (1500) | Won 2-0 | +181517 |
| 2standard | 6 | Avelar, Anthony (1866) | Won 2-0 | +241541 |
| 3standard | 186 | Steuer, Nathan (1858) | Lost 1-2 | -121529 |
| 4standard | 260 | Grimes, Sean (1477) | Lost 0-2 | -191510 |
| 5standard | 583 | Basham, Brian (1504) | Lost 1-2 | -191491 |
| 6standard | 615 | Slater, Matthew (1499) | Lost 0-2 | -171474 |
| 7standard | 564 | Olsker, Laurie (1383) | Won 2-0 | +161490 |
| 8standard | 447 | Montgomery, Nathan (1482) | Lost 0-2 | -181472 |
| 9standard | 408 | Barone, Charlie (1469) | Won 0-0 | +181490 |
| top | average opponent: 1560record: 4-5 | new rating: 1490 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 84 | Ayers, Corey (1500) | Lost 0-2 | -181497 |
| 2sealed | 276 | Warner, Martin (1482) | Won 2-0 | +171514 |
| 3sealed | 262 | Amaraphornkul, Scott (1581) | Lost 0-2 | -161498 |
| 4sealed | 265 | McKinney, Mathew (1481) | Won 2-0 | +171515 |
| 5sealed | 163 | Boutet, Patrick (1554) | Lost 0-2 | -171498 |
| 6sealed | 185 | Weak, Daniel (1481) | Won 2-0 | +181516 |
| 7sealed | 132 | Wilczek, Robert (1553) | Won 2-0 | +181534 |
| 8sealed | 101 | Dean, Tyler (1596) | Lost 0-2 | -161518 |
| 9sealed | 81 | McGraw, Ben (1473) | Lost 0-2 | -191499 |
| top | average opponent: 1522record: 4-5 | new rating: 1499 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 767 | Boulware, William (1500) | Won 2-0 | +181518 |
| 2sealed | 728 | Eltarhoni, Adam (1364) | Lost 1-2 | -211497 |
| 3sealed | 230 | Gray, Robert (1503) | Won 2-1 | +181515 |
| 4sealed | 208 | Berger, Benjamin W (1451) | Won 0-0 | +171532 |
| 5sealed | 146 | Weigel, Eric (1576) | Lost 1-2 | -171515 |
| 6sealed | 228 | Rosell, Christopher (1518) | Won 2-0 | +181533 |
| 7sealed | 186 | Hirtenstein, Matthew (1534) | Lost 1-2 | -181515 |
| top | average opponent: 1492record: 4-3 | new rating: 1515 | ||