Gannaway, John
Current rating: 1481
Record: 17-17
| Grand Prix Prague 2018 (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 606 | Cozzo, Broncacco (1500) | Won 2-0 | +181539 |
| 2modern | 295 | Saborowski, Knud (1518) | Lost 1-2 | -191520 |
| 3modern | 561 | Skildal Nielsen, Simon (1497) | Lost 1-2 | -181502 |
| 4modern | 695 | Shawki, Benjamin (1453) | Won 2-0 | +171519 |
| 5modern | 602 | Hirsman, Matic (1503) | Lost 1-2 | -181501 |
| 6modern | 657 | Volkert, Jan (1455) | Won 2-1 | +171518 |
| 7modern | 561 | Jedlinski, Mateusz (1498) | Lost 1-2 | -181500 |
| 8modern | 544 | Zimdahl, Felix (1483) | Lost 0-2 | -191481 |
| top | average opponent: 1488record: 3-5 | new rating: 1481 | ||
| Grand Prix Brussels 2018 (M19 standard) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 255 | Fagiolo, Giordano (1500) | Lost 0-2 | -201569 |
| 2standard | 348 | De Herdt, Nicolas (1417) | Lost 0-2 | -201549 |
| 3standard | 531 | Simonovici, Alain (1306) | Won 2-1 | +131562 |
| 4standard | 426 | Van Meerbeeck, Tim (1480) | Lost 1-2 | -191543 |
| 5standard | 465 | Di Gregorio, Nicolas (1348) | Lost 0-2 | -221521 |
| top | average opponent: 1410record: 1-4 | new rating: 1521 | ||
| Grand Prix Metz 2017 (HOU limited) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Gamba, Fabio (1620) | Won 2-1 | +191587 |
| 2sealed | 326 | Rempel, Peter (1510) | Won 2-1 | +171604 |
| 3sealed | 215 | Werkman, Pascal (1580) | Lost 0-2 | -191585 |
| 4sealed | 359 | Josserand, Sebastien (1453) | Won 2-0 | +161601 |
| 5sealed | 273 | Yatsenko, Alex (1566) | Won 2-0 | +171618 |
| 6sealed | 63 | Holtmann, Niklas (1746) | Won 2-0 | +201638 |
| 7sealed | 45 | Faber, Tom-Niklas (1539) | Lost 0-2 | -191619 |
| 8sealed | 84 | Tobiasch, Marc (1880) | Lost 0-2 | -141605 |
| 9sealed | 246 | Verheesen, Rene (1703) | Lost 1-2 | -161589 |
| top | average opponent: 1622record: 5-4 | new rating: 1589 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 512 | Drake, Erik (1497) | Lost 1-2 | -181482 |
| 2sealed | 706 | Siritanaratkul, Bhavin (1393) | Won 2-1 | +161498 |
| 3sealed | 616 | Pan, Deng (1517) | Won 2-1 | +191517 |
| 4sealed | 583 | Bjorland, Ivar (1482) | Lost 1-2 | -191498 |
| 5sealed | 903 | Barriga Arruego, Guillermo (1449) | Won 2-0 | +171515 |
| 6sealed | 377 | Klocker, Samuel (1520) | Won 2-1 | +181533 |
| 7sealed | 366 | Lepisto, Lauri (1530) | Lost 1-2 | -181515 |
| 8sealed | 416 | Latif Yasin, Thaer (1421) | Won 2-0 | +161531 |
| 9sealed | 495 | Perry, Yaniv (1523) | Won 2-1 | +181549 |
| 10draft | 228 | Nisti, Luca (1447) | Won 2-0 | +161565 |
| 11draft | 314 | Hale, Richard (1584) | Won 2-1 | +191584 |
| 12draft | 260 | Palmason, Heimir (1703) | Lost 0-2 | -161568 |
| top | average opponent: 1505record: 8-4 | new rating: 1568 | ||