Makuch, Greg
Current rating: 1474
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 167 | Reesor, Andrew (1760) | Lost 1-2 | -131505 |
| 4legacy | 188 | Zhang, Boyang (1640) | Lost 0-2 | -161489 |
| 5legacy | 316 | Howe, Michael (1615) | Lost 0-2 | -151474 |
| top | average opponent: 1672record: 0-3 | new rating: 1474 | ||
| Grand Prix Toronto 2019 (modern) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 277 | Siecker, Rob (1734) | Won 2-0 | +221559 |
| 3modern | 198 | MacDonald, Kyle (1534) | Lost 1-2 | -191540 |
| 4modern | 185 | Lemez, Drazen (1515) | Lost 1-2 | -181522 |
| 5modern | 289 | Campbell, Matthew (1349) | Won 2-0 | +151537 |
| 6modern | 365 | Shay, Liam (1522) | Lost 0-2 | -191518 |
| top | average opponent: 1531record: 2-3 | new rating: 1518 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 385 | Nguyen, Nhon Huu (1500) | Lost 1-2 | -181482 |
| 2modern | 622 | Wang, Ivan (1483) | Won 2-0 | +181500 |
| 3modern | 577 | Dunn, Ryan P (1499) | Won 2-1 | +181518 |
| 4modern | 322 | Swanson, Kevin (1526) | Won 2-0 | +181536 |
| 5modern | 327 | Vantrigt, Matt (1537) | Won 1-0 | +181554 |
| 6modern | 132 | Vaugeois, Christophe (1582) | Lost 0-2 | -171537 |
| 7modern | 238 | Li, Jonathan [CAN] (1546) | Won 2-0 | +181555 |
| 8modern | 162 | Czuboka, Paul (1578) | Lost 1-2 | -181537 |
| top | average opponent: 1531record: 5-3 | new rating: 1537 | ||