Jeng, John
Current rating: 1555
Record: 10-8
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 426 | Lands, Aaron (1500) | Won 2-0 | +181536 |
| 2sealed | 136 | Rankin, Christopher (1518) | Won 2-0 | +181554 |
| 3sealed | 122 | Colker, Nathan (1791) | Won 0-0 | +221576 |
| 4sealed | 48 | Bakerman, Spencer (1526) | Lost 0-2 | -191557 |
| 5sealed | 103 | Suh, Mike (1677) | Won 2-0 | +201577 |
| 6sealed | 184 | Sigrist, Mike (2039) | Lost 0-2 | -101567 |
| 7sealed | 260 | Watters, Dakota (1509) | Lost 0-2 | -191548 |
| 8sealed | 356 | Darvoudis, Demetre (1524) | Won 2-0 | +171565 |
| 9sealed | 229 | Michel, Gregory (1955) | Won 2-1 | +251590 |
| 10draft | 47 | Dvorshak, Darik (1643) | Lost 1-2 | -171573 |
| 11draft | 93 | Hyde, Hiroshi (1547) | Lost 0-2 | -181555 |
| average opponent: 1657record: 6-5 | new rating: 1555 | |||
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 390 | Bulthaup, Bryan (1554) | Lost 1-2 | -171483 |
| 2sealed | 475 | Marentes, Oscar (1464) | Lost 0-2 | -181465 |
| 3sealed | 687 | Mckuin, Patrick (1468) | Won 2-1 | +181483 |
| 4sealed | 547 | Hanna, Rafael (1482) | Won 2-1 | +181501 |
| 5sealed | 472 | Jasso, Alexis (1498) | Won 2-1 | +181519 |
| 6sealed | 420 | Dupont, Pierre-Alain (1500) | Won 2-0 | +171536 |
| 7sealed | 3 | Brazil, Isaac (1536) | Lost 0-2 | -181518 |
| average opponent: 1500record: 4-3 | new rating: 1518 | |||