Zapiecki, Michael
Current rating: 1498
Record: 2-3-1
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 157 | Mascarenas, Demetrio (1500) | Won 2-0 | +181518 |
| 4standard | 162 | Duan, Daniel (1777) | Won 2-1 | +231541 |
| 5standard | 32 | Pottorf, Cyler (1577) | Lost 0-2 | -181523 |
| 6standard | 94 | Asbjornsen, Chad (1716) | Draw 1-1 | +41527 |
| 7standard | 121 | Higbee, Wesley (1859) | Lost 1-2 | -121515 |
| 8standard | 217 | Sun, Qiushi (1598) | Lost 0-2 | -171498 |
| average opponent: 1671record: 2-3-1 | new rating: 1498 | |||