Peerdeman, Sjors
Current rating: 1536
Record: 10-8
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 3 | Baden, Ashley (1673) | Lost 1-2 | -151504 |
| 2modern | 619 | Roadknight, Adam (1465) | Lost 0-2 | -191485 |
| 3modern | 801 | Feldthusen, Nikolai (1469) | Won 2-0 | +181503 |
| 4modern | 683 | Gohring, Jan (1611) | Won 2-0 | +201523 |
| 5modern | 505 | Bartolome, Leo (1386) | Won 2-1 | +161539 |
| 6modern | 500 | Kanellopoulos, Andreas (1521) | Won 2-0 | +171556 |
| 7modern | 258 | Lazar, Kayda (1508) | Won 2-0 | +171573 |
| 8modern | 265 | Manteca, Federico (1520) | Lost 0-2 | -191554 |
| 9modern | 308 | Hofverberg, Andreas (1516) | Lost 0-2 | -181536 |
| average opponent: 1519record: 5-4 | new rating: 1536 | |||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 390 | Janssen, Herman (1500) | Won 2-1 | +181518 |
| 2sealed | 118 | Coolen, Ralph (1518) | Lost 1-2 | -181500 |
| 3sealed | 518 | Taushanis, Zenon (1573) | Lost 1-2 | -171483 |
| 4sealed | 486 | Wege, Felix (1484) | Won 2-1 | +181501 |
| 5sealed | 431 | Degrave, Clement (1494) | Lost 0-2 | -181483 |
| 6sealed | 397 | Hanl, Andreas (1402) | Won 2-0 | +171500 |
| 7sealed | 308 | Van Malcot, Wesley (1538) | Won 2-1 | +181518 |
| 8sealed | 232 | Angelmahr, Thomas (1425) | Lost 1-2 | -191499 |
| 9sealed | 179 | Berring, Nicholas (1641) | Won 2-0 | +201519 |
| average opponent: 1508record: 5-4 | new rating: 1519 | |||