Porchowsky, Michael
Current rating: 1503
Record: 4-4
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 407 | Sigrist, Jonathan (1517) | Lost 1-2 | -181482 |
| 2standard | 422 | Croy, Alejandro (1486) | Won 2-0 | +181500 |
| 3standard | 543 | Wallet, Tim (1480) | Lost 1-2 | -181482 |
| 4standard | 536 | Carranza, Jaime (1613) | Lost 0-2 | -161466 |
| 5standard | 562 | Green, Tom (1463) | Won 2-0 | +181484 |
| 6standard | 461 | Penrod, Jacob (1399) | Lost 0-2 | -191465 |
| 7standard | 414 | Blackbird, Ramona (1464) | Won 2-0 | +181483 |
| 8standard | 310 | Lam, Bryan (1623) | Won 2-0 | +201503 |
| average opponent: 1506record: 4-4 | new rating: 1503 | |||