Sprong, Niels
Current rating: 1494
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2292 | Almikhi, Assim (1500) | Won 2-1 | +191494 |
| 2sealed | 2026 | Bouwhuis, Jelle (1520) | Lost 1-2 | -181476 |
| 3sealed | 2239 | Cantavella, Xavier (1618) | Won 2-1 | +211497 |
| 4sealed | 2285 | Tabarelli, Marco (1420) | Draw 1-1 | -21495 |
| 5sealed | 2199 | Kouseband, Stefan (1444) | Won 2-0 | +171512 |
| 6sealed | 2123 | Garrido, Victor (1485) | Lost 1-2 | -181494 |
| top | average opponent: 1498record: 3-2-1 | new rating: 1494 | ||
| Grand Prix Gothenburg 2013 (DGM limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 224 | Soltani, Aria (1500) | Lost 0-2 | -171449 |
| 2sealed | 350 | Andersen, Jack Odin (1481) | Lost 0-2 | -181431 |
| 3sealed | 420 | Wickstrom, Carl-Johan (1464) | Won 2-1 | +191450 |
| 4sealed | 379 | Jensen, David (1855) | Won 2-1 | +251475 |
| 5sealed | 348 | Svenhard, Robin (1501) | Draw 1-1 | 01475 |
| 6sealed | 291 | Kaiyang, Wang (1446) | Lost 1-2 | -181457 |
| 7sealed | 274 | Klerke, Uffe (1480) | Won 2-1 | +181475 |
| top | average opponent: 1532record: 3-3-1 | new rating: 1475 | ||
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 53 | Leddy, Brian (1500) | Lost 1-2 | -181482 |
| 3sealed | 168 | Pinder, Mark (1481) | Lost 0-2 | -181464 |
| 4sealed | 264 | Gyselinck, Jelle (1563) | Lost 0-2 | -161448 |
| 5sealed | 298 | Crispin, Hector (1461) | Won 2-0 | +181466 |
| top | average opponent: 1501record: 1-3 | new rating: 1466 | ||