 1st national Grand Prix  "ereklasse" 2017-18
 1st national Grand Prix  "ereklasse" 2017-18 
Dec. 8th - 10th, 2017 Rosmalen / NL
the final result:
| rank | name | MP | SV | pts solved | pts played | % | 
| 1. | Sander JONEN | 11 | 13:5 | 756 | 1177 | 64,231 | 
| 2. | Mark JANSSEN | 9 | 10:8 | 670 | 1190 | 56,302 | 
| 3. | René DERICKS | 10 | 12:5 | 736 | 1150 | 64,000 | 
| 4. | Erik VIJVERBERG | 8 | 10:7 | 679 | 1092 | 62,179 | 
| 5. | Jop de JONG | 8 | 8:5 | 508 | 914 | 55,579 | 
| 6. | Benny SMITS | 5 | 6:7 | 403 | 821 | 49,086 | 
| 7. | Patrick de HAAN | 6 | 6:6 | 438 | 883 | 49,603 | 
| 8. | Robert van VEENENDAAL | 6 | 6:6 | 425 | 805 | 52,795 | 
| 9. | René KUIJSTERMANS | 5 | 5:8 | 338 | 803 | 42,092 | 
| 10. | Eric van HOORN | 2 | 3:10 | 297 | 927 | 32,038 | 
| 11. | John de BRUIJN | 4 | 4:9 | 285 | 874 | 32,608 | 
| 12. | Wilfrie VERMEER | 2 | 3:10 | 253 | 898 | 28,173 |