Perdomo, Alejandro
Current rating: 1512
Record: 7-7-1
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 185 | Shock, Taylor (1500) | Lost 0-2 | -181483 |
| 2standard | 704 | Beissinger, Peter (1481) | Won 2-1 | +181501 |
| 3standard | 347 | Galstian, Tom (1513) | Won 2-0 | +181519 |
| 4standard | 462 | Carewicz, Cameron (1713) | Won 2-0 | +211540 |
| 5standard | 279 | Kim, Jeremy (1940) | Won 2-1 | +251565 |
| 6standard | 175 | Kim, Austin (1643) | Lost 0-2 | -161549 |
| 7standard | 303 | Whaley, Christopher (1477) | Lost 0-2 | -201529 |
| 8standard | 322 | Dadachanji, Dara (1565) | Lost 1-2 | -171512 |
| average opponent: 1604record: 4-4 | new rating: 1512 | |||
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 87 | Killeen, Rick (1449) | Won 2-0 | +171517 |
| 2standard | 179 | Maroney, Bryan (1425) | Won 1-0 | +161533 |
| 3standard | 41 | Sendaydiego, Curt (1576) | Lost 0-2 | -171516 |
| 4standard | 204 | Hemelstrand, Andrew (1519) | Draw 1-1 | 01516 |
| 5standard | 346 | Breyne, Marcus (1624) | Won 2-0 | +201536 |
| 6standard | 221 | Nelson, James (1530) | Lost 1-2 | -181518 |
| 7standard | 340 | McLaury, Ralph (1545) | Lost 1-2 | -171501 |
| average opponent: 1524record: 3-3-1 | new rating: 1501 | |||