[Event "Science Park Open A 2022"] [Site "Amsterdam NED"] [Date "2022.07.21"] [Round "4.8"] [White "Dekker, Constantijn"] [Black "Tan, Kev NED"] [Result "1/2-1/2"] [WhiteElo "1931"] [BlackElo "2209"] [ECO "D20"] [Opening "Queen's gambit accepted"] [EventDate "2022.07.18"] [WhiteFideId "1072439"] [BlackFideId "1010280"] 1. d4 d5 2. c4 dxc4 3. e3 b6 4. Bxc4 Bb7 5. Nf3 e6 6. Nc3 a6 7. O-O Nf6 8. a3 Nbd7 9. b4 Ra7 10. d5 exd5 11. Nxd5 Nxd5 12. Bxd5 Qf6 13. Rb1 Bd6 14. Bb2 Qh6 15. e4 Bxd5 16. Qxd5 c6 17. Qf5 O-O 18. e5 Be7 19. Rbd1 Rd8 20. Nd4 c5 21. e6 fxe6 22. Nxe6 g6 23. Qd5 Nf6 24. Qb3 Rxd1 25. Rxd1 Qh4 26. g3 c4 27. Qf3 Qe4 28. Kg2 b5 1/2-1/2