Montarbo, Vernon
Current rating: 1382
| Grand Prix Portland 2019 (ELD standard) | starting rating: 1356 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 36 | Boyko, Andrey (1621) | Won 2-1 | +231379 |
| 2standard | 10 | Egamino, Janperson (1388) | Lost 0-2 | -181361 |
| 3standard | 177 | McCourt, Brian (1510) | Lost 0-0 | -161345 |
| 4standard | 182 | Sundholm, Peter (1527) | Won 2-1 | +221367 |
| 5standard | 150 | Holm, Matthew (1525) | Won 2-1 | +211388 |
| 6standard | 138 | Fioravanti, Tyler (1517) | Won 2-0 | +201408 |
| 7standard | 84 | Malcolm Preston, Nicholas (1574) | Lost 0-2 | -151393 |
| 8standard | 117 | Jen, Arthur (1800) | Lost 0-2 | -111382 |
| top | average opponent: 1558record: 4-4 | new rating: 1382 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 522 | Martinez, Jonathan 7193 (1427) | Lost 0-2 | -181411 |
| 2modern | 715 | McEwen, Logan (1448) | Lost 0-2 | -181393 |
| 3modern | 787 | Peltola, Jason (1316) | Lost 1-2 | -191374 |
| 4modern | 831 | Hirschi, Tyler (1373) | Lost 0-2 | -181356 |
| top | average opponent: 1391record: 0-4 | new rating: 1356 | ||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 255 | Reyes, Ruben (1464) | Lost 0-2 | -191481 |
| 2standard | 450 | Marshall, Derrick (1483) | Lost 0-2 | -181463 |
| 3standard | 685 | Floyd, Conner (1467) | Lost 0-2 | -181445 |
| 4standard | 652 | Nielson, Nathan (1513) | Lost 0-2 | -161429 |
| top | average opponent: 1482record: 0-4 | new rating: 1429 | ||