Altamirano, Jacob
Current rating: 1486
Record: 4-5
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 107 | Piedalue, James (1500) | Won 2-0 | +181518 |
| 2standard | 228 | Kusiek, James (1537) | Won 2-0 | +181536 |
| 3standard | 287 | Hiatt, Cody (1619) | Won 2-0 | +201556 |
| 4standard | 123 | Munck, Jon (1549) | Won 2-1 | +181574 |
| 5standard | 20 | Stilwell, Sean (1608) | Lost 1-2 | -181556 |
| 6standard | 152 | Sharp, Grant (1662) | Lost 1-2 | -161540 |
| 7standard | 138 | Warn, Zach (1537) | Lost 1-2 | -181522 |
| 8standard | 402 | Schultze, Micah (1515) | Lost 1-2 | -181504 |
| 9standard | 376 | Buchanan, Jason (1506) | Lost 0-2 | -181486 |
| average opponent: 1559record: 4-5 | new rating: 1486 | |||