Sifford, Andrew
Current rating: 1453
Record: 3-6
| Grand Prix Portland 2019 (ELD standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 112 | Dick, James (1500) | Won 2-0 | +191465 |
| 2standard | 61 | Stevenson, James (1743) | Lost 0-2 | -131452 |
| 3standard | 182 | Baker, Tyler (1420) | Won 0-0 | +171469 |
| 4standard | 84 | Alfano, Chris (1518) | Won 2-0 | +191488 |
| 5standard | 44 | Pereza, Indigo (1535) | Lost 1-2 | -171471 |
| 6standard | 150 | Barnes, Justin (1438) | Lost 1-2 | -181453 |
| average opponent: 1526record: 3-3 | new rating: 1453 | |||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | Boyd, Michael (1500) | Lost 0-2 | -181482 |
| 2sealed | 548 | Sumstad, Jennifer (1484) | Lost 0-2 | -181464 |
| 3sealed | 578 | Nusbaum, Alex (1463) | Lost 0-2 | -181446 |
| average opponent: 1482record: 0-3 | new rating: 1446 | |||