Giessen, Renier
Current rating: 1506
Record: 3-3
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 380 | Aufrichtig, Theo (1500) | Won 2-0 | +181518 |
| 2sealed | 351 | Claessen, Bert (1518) | Won 2-0 | +181536 |
| 3sealed | 265 | Jankowski, Wojciech (1596) | Lost 1-2 | -171519 |
| 4sealed | 254 | Prins, Wijnand (1522) | Won 2-1 | +181537 |
| 5sealed | 181 | Gevrey, Vincent (1514) | Lost 1-2 | -181519 |
| 6sealed | 285 | Maaten, Rogier (1822) | Lost 0-2 | -131506 |
| average opponent: 1579record: 3-3 | new rating: 1506 | |||