Alderson, Andrew R
Current rating: 1501
Record: 6-6
| Grand Prix Columbus 2012 (modern) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 194 | Schaefer, Joshua (1506) | Won 2-0 | +171554 |
| 3modern | 18 | Ulman, Ian (1536) | Lost 1-2 | -181536 |
| 4modern | 297 | Taylor, Zakary (1555) | Lost 0-2 | -181518 |
| 5modern | 354 | Mansour, Ramy (1527) | Lost 1-2 | -171501 |
| average opponent: 1531record: 1-3 | new rating: 1501 | |||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 170 | Mangels, James (1523) | Lost 1-2 | -181482 |
| 2legacy | 346 | Wampler, Isaac (1483) | Won 2-0 | +181500 |
| 3legacy | 282 | Gottman, Tim (1499) | Won 2-0 | +181518 |
| 4legacy | 268 | Streater, Dylan (1517) | Won 2-1 | +181536 |
| 5legacy | 247 | Weinandy, Josh (1564) | Won 2-1 | +191555 |
| 6legacy | 69 | Wehrmeyer, Zach (1473) | Lost 1-2 | -201535 |
| 7legacy | 265 | Soike, Craig (1538) | Won 2-1 | +181553 |
| 8legacy | 181 | Larson, Mark (1637) | Lost 0-2 | -161537 |
| average opponent: 1529record: 5-3 | new rating: 1537 | |||