Armstrong, Glenn
Current rating: 1539
Record: 9-7
| Grand Prix Charlotte 2015 (modern) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1392 | Hockey, Shelby (1356) | Lost 0-2 | -211538 |
| 3modern | 1470 | Gonyo, Victor (1567) | Won 2-0 | +181556 |
| 4modern | 1447 | Woolet, Andrew (1570) | Won 2-0 | +181574 |
| 5modern | 1151 | Mazzotta, Benjamin (1521) | Won 2-1 | +171591 |
| 6modern | 1155 | Carvalho, Pedro (2010) | Lost 0-2 | -101581 |
| 7modern | 1031 | Mansfield, John (1409) | Lost 0-2 | -221559 |
| 8modern | 955 | Mork, Elliot (1431) | Lost 0-2 | -201539 |
| average opponent: 1552record: 3-4 | new rating: 1539 | |||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 125 | Neiman-Zych, Alexander (1500) | Won 2-0 | +181518 |
| 2modern | 146 | Moreland, Jason (1518) | Won 2-0 | +181536 |
| 3modern | 96 | Ellenburg, David (1518) | Won 2-1 | +181554 |
| 4modern | 12 | Van Hoesen, Andrew (1519) | Won 2-0 | +171571 |
| 5modern | 57 | Moir, Ben (2012) | Lost 1-2 | -101561 |
| 6modern | 120 | Shore, Ian (1525) | Won 2-1 | +171578 |
| 7modern | 85 | Long, Robert (1535) | Lost 1-2 | -191559 |
| 8modern | 191 | Patel, Chirayu (1604) | Won 2-0 | +191578 |
| 9modern | 95 | Goss, Jon (1536) | Lost 0-2 | -191559 |
| average opponent: 1585record: 6-3 | new rating: 1559 | |||