Boyce, Zechariah
Current rating: 1516
Record: 7-6
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 152 | Blondo, Noah (1466) | Lost 1-2 | -191515 |
| 2standard | 270 | Snyder, Reid (1481) | Won 2-0 | +181533 |
| 3standard | 241 | Grimm, Brian (1491) | Won 2-1 | +171550 |
| 4standard | 282 | Canales, David (1610) | Lost 1-2 | -171533 |
| 5standard | 270 | Manges, James (1576) | Lost 0-2 | -171516 |
| average opponent: 1525record: 2-3 | new rating: 1516 | |||
| Grand Prix Toronto 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 307 | O'Donnell, Caleb (1493) | Won 2-0 | +181518 |
| 2modern | 31 | Lai, Biing Chyn (1518) | Lost 0-2 | -181500 |
| 3modern | 615 | Nelson, Jake (1445) | Won 2-0 | +171517 |
| 4modern | 202 | Rappl, Sam (1516) | Won 2-1 | +181535 |
| 5modern | 157 | Boudreau, Stephen (1496) | Lost 1-2 | -191516 |
| 6modern | 380 | Leblanc-Bolatre, Maximilien (1522) | Lost 1-2 | -181498 |
| 7modern | 464 | TRUE, Jonathan (1502) | Won 2-1 | +181516 |
| 8modern | 259 | Goulet, Nick (1520) | Won 2-0 | +181534 |
| average opponent: 1501record: 5-3 | new rating: 1534 | |||