Demelmayr, Michael
Current rating: 1381
Record: 3-12-2
| Grand Prix Prague 2018 (modern) | starting rating: 1366 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 304 | Vogelhuber, Simon (1518) | Won 2-0 | +211387 |
| 3modern | 134 | Rodenas Lopez, Mario (1588) | Lost 1-2 | -151372 |
| 4modern | 589 | Pokorny, Tomas (1517) | Lost 1-2 | -151357 |
| 5modern | 607 | Hodgman, Mitchell (1510) | Won 2-0 | +211378 |
| 6modern | 287 | Sommer, Jan (1536) | Draw 1-1 | +31381 |
| top | average opponent: 1534record: 2-2-1 | new rating: 1381 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1404 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 50 | Geissler, Gunnar (1457) | Lost 0-2 | -171387 |
| 4sealed | 259 | Suurna, Reivo (1798) | Lost 1-2 | -111376 |
| 5sealed | 629 | Knocinski, Przemek (1847) | Lost 1-2 | -101366 |
| top | average opponent: 1700record: 0-3 | new rating: 1366 | ||
| Grand Prix Bologna 2016 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 315 | Castro, Miguel (1837) | Draw 1-1 | +71472 |
| 4modern | 269 | Kauf, Jamin (1520) | Lost 0-2 | -171455 |
| 5modern | 500 | Rossi, Stefano (1526) | Lost 0-2 | -171438 |
| 6modern | 706 | Rossetto, Nicola (1485) | Lost 0-2 | -171421 |
| 7modern | 806 | Villette, Charles (1479) | Lost 1-2 | -171404 |
| top | average opponent: 1569record: 0-4-1 | new rating: 1404 | ||
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 61 | Hammer, Christian (1579) | Won 2-1 | +191519 |
| 2standard | 48 | van Montfort, Wouter (1518) | Lost 1-2 | -181501 |
| 3standard | 588 | Sercl, Adam (1442) | Lost 0-2 | -191482 |
| 4standard | 576 | Campina, Filipe (1534) | Lost 0-2 | -171465 |
| top | average opponent: 1518record: 1-3 | new rating: 1465 | ||