Beumer, Dyon
Current rating: 1497
Record: 5-7
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 245 | Manfroid, Alexis (1500) | Won 2-0 | +191471 |
| 2standard | 90 | Hubert, Henri (1500) | Won 2-0 | +181489 |
| 3standard | 51 | Miller, Jan (1666) | Won 2-1 | +211510 |
| 4standard | 115 | Jbeili, Reginald (1683) | Won 2-1 | +221532 |
| 5standard | 39 | Nielsen, Kasper (1867) | Lost 0-2 | -121520 |
| 6standard | 141 | Wallner, Johann (1848) | Lost 0-2 | -131507 |
| 7standard | 138 | Van Etten, Bart (1980) | Lost 0-2 | -101497 |
| average opponent: 1721record: 4-3 | new rating: 1497 | |||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 491 | Poreber, Michael (1500) | Won 2-0 | +181518 |
| 2standard | 251 | Ahkaloo, Jhayshan (1631) | Lost 0-2 | -161502 |
| 3standard | 545 | Lebrun, Benoit (1540) | Lost 1-2 | -171485 |
| 4standard | 548 | Linden, Carsten (1663) | Lost 0-2 | -151470 |
| 5standard | 607 | Stier, Thomas (1465) | Lost 0-2 | -181452 |
| average opponent: 1560record: 1-4 | new rating: 1452 | |||