Van Oosten, Andy
Current rating: 1483
Record: 4-5
| Grand Prix Portland 2018 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 108 | Clutario, Kevin (1500) | Won 2-0 | +181499 |
| 2modern | 249 | Scott-Lewis, Benjamin (1543) | Lost 1-2 | -171482 |
| 3modern | 619 | MacMillan, Gavin (1499) | Lost 0-2 | -181464 |
| 4modern | 750 | McLaughlin, Marcus (1481) | Won 2-1 | +191483 |
| average opponent: 1506record: 2-2 | new rating: 1483 | |||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 227 | Russ, Eric (1500) | Lost 0-2 | -181482 |
| 2standard | 599 | Minick, Reese (1429) | Won 2-0 | +171499 |
| 3standard | 577 | Buck, Joshua (1483) | Won 2-1 | +181517 |
| 4standard | 180 | Hassler, Brendan (1521) | Lost 1-2 | -181499 |
| 5standard | 456 | Wong, Joel (1501) | Lost 1-2 | -181481 |
| average opponent: 1487record: 2-3 | new rating: 1481 | |||