Jenkins, John
Current rating: 1515
Record: 7-6
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 228 | Killian, Bryan (1519) | Lost 1-2 | -191539 |
| 2sealed | 366 | Falkenstine, Evan (1482) | Lost 1-2 | -191520 |
| 3sealed | 555 | Das, Anuraag (1429) | Lost 1-2 | -201500 |
| 4sealed | 605 | Runkles, Richie (1448) | Won 2-0 | +171517 |
| 5sealed | 536 | LeClair, Greg (1456) | Won 2-0 | +171534 |
| 6sealed | 425 | Rittenbury, Courtney (1482) | Lost 0-2 | -191515 |
| average opponent: 1469record: 2-4 | new rating: 1515 | |||
| Grand Prix London 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 38 | Alvarez, Miguel (1517) | Won 2-1 | +181518 |
| 3block | 62 | Ford, Thomas (1533) | Won 2-0 | +191537 |
| 4block | 14 | Doco, Geoffrey (1604) | Lost 0-2 | -171520 |
| 5block | 68 | Neumann, Mats (1591) | Lost 0-2 | -171503 |
| 6block | 106 | Blanco, David (1508) | Won 2-0 | +181521 |
| 7block | 68 | Young, Gareth (1549) | Won 2-1 | +191540 |
| 8block | 45 | Kyriazis, Ioannis (1541) | Won 2-1 | +181558 |
| average opponent: 1549record: 5-2 | new rating: 1558 | |||