Riker, Andrew
Current rating: 1495
Record: 5-6-1
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 134 | Moats, Jeff (1504) | Won 2-0 | +191512 |
| 3sealed | 22 | Hardison, Patrick (1488) | Lost 0-2 | -191493 |
| 4sealed | 119 | Jong, Philip (1503) | Won 2-1 | +181511 |
| 5sealed | 85 | Reid, Jordan (1453) | Lost 0-2 | -191492 |
| 6sealed | 140 | Romero, Bill (1619) | Won 2-0 | +201512 |
| 7sealed | 114 | Joly, Randy (1539) | Lost 1-2 | -171495 |
| average opponent: 1518record: 3-3 | new rating: 1495 | |||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 729 | Frank, Christopher (1536) | Won 2-1 | +191519 |
| 4modern | 788 | Dedrick, Johnston (1495) | Lost 0-2 | -191500 |
| 5modern | 887 | Kadar, Griffin (1550) | Won 2-1 | +191519 |
| 6modern | 835 | Wijaya, Vidianto (2014) | Draw 1-1 | +81527 |
| 7modern | 794 | Rodrigues, Nicholas (1566) | Lost 1-2 | -171510 |
| 8modern | 869 | Masoero, Peter (1572) | Lost 0-2 | -171493 |
| average opponent: 1622record: 2-3-1 | new rating: 1493 | |||