Griffey, John
Current rating: 1640
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 212 | Theodore, Andrew (1500) | Won 2-1 | +171617 |
| 2sealed | 147 | LaPierre, Jace (1518) | Won 2-1 | +161633 |
| 3sealed | 13 | DiSimone, Lou (1523) | Lost 0-2 | -201613 |
| 4sealed | 192 | Evanovich, Nicholas (1486) | Won 2-0 | +161629 |
| 5sealed | 55 | Turner, James (1573) | Lost 1-2 | -191610 |
| 6sealed | 144 | Sanders-Reed, Kiernan (1499) | Won 2-0 | +151625 |
| 7sealed | 59 | Bosarreyes, Jason (1539) | Won 2-0 | +171642 |
| 8sealed | 55 | Longo, Andrew (1757) | Won 2-0 | +201662 |
| 9sealed | 44 | Mechtensimer, Aaron (1633) | Won 2-1 | +171679 |
| 10draft | 177 | Bizzell, Isaiah (1627) | Lost 1-2 | -181661 |
| 11draft | 50 | Shutov, Mike (1550) | Lost 0-2 | -211640 |
| 12draft | 169 | Stella, Daniel (1647) | Won 2-1 | +191659 |
| 14draft | 137 | Kimmich, Reginald (1598) | Lost 0-2 | -191640 |
| top | average opponent: 1573record: 8-5 | new rating: 1640 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 200 | Graetz, Michael (1500) | Won 2-0 | +171570 |
| 2standard | 89 | Bingham, Jared (1518) | Won 2-0 | +171587 |
| 3standard | 1 | McShea, Kevin (1630) | Won 2-0 | +191606 |
| 4standard | 302 | Hixson, Jeremy (1571) | Lost 0-2 | -191587 |
| 5standard | 191 | Molly, John (1535) | Won 2-0 | +171604 |
| 6standard | 125 | Carlson, Matt (1511) | Lost 1-2 | -201584 |
| 7standard | 208 | TerHaar, Micah (1534) | Won 2-1 | +171601 |
| 8standard | 123 | Groesbeck, Alex (1602) | Won 2-0 | +181619 |
| 9standard | 98 | Brester, Kris (1561) | Lost 1-2 | -191600 |
| top | average opponent: 1551record: 6-3 | new rating: 1600 | ||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 198 | Wilson, Alexander (1500) | Won 2-1 | +181518 |
| 2standard | 75 | Neill, Nick (1494) | Won 2-0 | +181536 |
| 3standard | 93 | Riggeal, Jacob (1504) | Won 2-0 | +171553 |
| 4standard | 57 | Mitas, Alex (1595) | Lost 1-2 | -171536 |
| 5standard | 175 | Basco, Chris (1513) | Won 2-0 | +171553 |
| 6standard | 110 | Rembert, Isaac (1495) | Won 2-1 | +171570 |
| 7standard | 52 | Redmond, James (1560) | Lost 1-2 | -181552 |
| 8standard | 101 | Pfefferle, Noah (1585) | Won 2-1 | +191571 |
| 9standard | 65 | Van Kleeck, Ryan (1578) | Lost 0-2 | -181553 |
| top | average opponent: 1536record: 6-3 | new rating: 1553 | ||