Mascarenas, Demetrio
Current rating: 1505
Record: 3-3
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 157 | Zapiecki, Michael (1500) | Lost 0-2 | -181482 |
| 4standard | 194 | Prendergast, Owen (1500) | Won 2-1 | +181500 |
| 5standard | 103 | Rudy, Chris (1518) | Won 2-0 | +191519 |
| 6standard | 62 | Poppenhagen, David (1578) | Lost 1-2 | -171502 |
| 7standard | 262 | Simonson, Erik (1556) | Won 2-1 | +191521 |
| 8standard | 116 | Tanforan, Jeremy (1653) | Lost 0-2 | -161505 |
| average opponent: 1551record: 3-3 | new rating: 1505 | |||