Mercer, John
Current rating: 1482
Record: 1-2
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 28 | Askes, Trevor (1500) | Lost 0-2 | -181482 |
| 2sealed | 381 | Jaramillo, Blaven (1443) | Won 2-0 | +171499 |
| 3sealed | 354 | Howard, Cody (1527) | Lost 0-2 | -171482 |
| average opponent: 1490record: 1-2 | new rating: 1482 | |||