Grewers, Gregor
Current rating: 1607
Record: 7-5 (GP) / 7-7 (professional)
| New Capenna Championship (MTGA mixed) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 44 | Santos, Andre (1525) | Won 2-1 | +181566 |
| 3standard | 21 | Carvalho, Marcio (2026) | Lost 1-2 | -111555 |
| 4historic | 33 | Strasky, Ondrej (2147) | Won 2-0 | +281583 |
| 5historic | 9 | Ferguson, Andy (1765) | Lost 0-2 | -151568 |
| 6historic | 40 | Mildenstein, Henry (1662) | Won 2-0 | +201588 |
| 7historic | 28 | Burkhart, Corey (1932) | Won 2-1 | +241612 |
| 8standard | 8 | Cifka, Stanislav (1903) | Lost 0-2 | -131599 |
| 9standard | 20 | Scott-Vargas, Luis (1964) | Lost 0-2 | -111588 |
| 10standard | 32 | Yuan, Eric (1548) | Won 2-0 | +171605 |
| 11standard | 37 | Bursavich, Austin (2124) | Lost 0-2 | -91596 |
| 12historic | 43 | Rose, Kyle (1716) | Lost 0-2 | -161580 |
| 13historic | 39 | Orange, Gregory (1910) | Won 2-0 | +241604 |
| 14historic | 36 | Zarrouati, Jean (1658) | Lost 0-2 | -171587 |
| 15historic | 42 | Martos, Antonio (1738) | Won 2-1 | +201607 |
| average opponent: 1830record: 7-7 | new rating: 1607 | |||
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 100 | Lotjonen, Lassi (1500) | Won 2-0 | +181518 |
| 2modern | 294 | Musil, Jiri (1556) | Won 2-0 | +191537 |
| 3modern | 360 | Barbier-Guillou, Aloysius (1516) | Won 2-0 | +171554 |
| 4modern | 49 | Bostrom, Daniel (1555) | Won 2-1 | +181572 |
| 5modern | 47 | Theurel, Sebastien (1602) | Lost 1-2 | -171555 |
| 6modern | 159 | Leahy, George (1675) | Won 2-1 | +201575 |
| 7modern | 104 | Love, James (1689) | Lost 1-2 | -161559 |
| 8modern | 208 | Lorenc, Michal (1731) | Lost 1-2 | -151544 |
| 9modern | 278 | Mendes, Telmo (1503) | Won 2-1 | +171561 |
| 10modern | 451 | Proell, Markus (1438) | Won 2-0 | +161577 |
| 11modern | 376 | Alagappan, Anand (1644) | Lost 0-2 | -171560 |
| 12modern | 442 | Martin, Maxime (1878) | Lost 0-2 | -121548 |
| average opponent: 1607record: 7-5 | new rating: 1548 | |||