After six rounds of play the Groningen residents Jan Werle and Jorden van Foreest have to share the lead with the White-Russian Sergey Kasparov. Werle and Van Foreest played each other and drew after a ferocious fight in a Slav. Kasparov outplayed Dutch rising star Robby Kevlishvilli. Something went wrong for the Dutch teenager and an invading knight sealed his fate. 

Half a point behind the three in the lead we find six players.

Curiosity: a chair collapsed with someone sitting on it.

Jan Werle had an optical advantage in his game against Van Foreest.

Maybe move 23 is crucial. Jan played 23.Be3, but a gready 23.re6x might have been better. The engine tells us that 23..Bc5 24.Ra5 b6 24.Ra7 Rg3+ 25.Kf1 Rf3 26.Be3 Be3x 27.Re3x is better for white, but is it enough for a win?! During the rest of the game white tried to find the best way to get into a rook endgame. Eventually there was nothing more than a draw to be reached.

Sergey Kasparov is also one of the leaders. Robby Kevlishvilli, playing white,  mishandled a Philidor. His 14.Qd2 should have been replaced by 14.d5 and 18.Nd1 isn't the best of moves either. 

White played 27.Ra1, where 27.Be5x would have been his last chance. Sergey won a piece, so Kevlishvilli resigned.

Sundar Shyam butchered Ivo Maris, who robably thought he played something different than a game of chess.

1. c4 Nc6 2. g3 e5 3. Nc3 f5 4. Nf3 Nf6 5. d4 e4 6. Nh4 g6 7. Bg5 Kf7 8. f3 h6 9. Bxf6 Qxf6 10. e3 Bb4 11. fxe4 Te8 12. Bg2 Qg5 13. O-O Qxe3+ 14. Kh1 Bxc3 15. exf5 Bxd4 16. fxg6+ Kg8 17. Bd5+ Te6 18. Nf5 Qe5 19. Nxh6+ Kg7 20. Nf5+ Kxg6 21. Qg4+ Kf6 22. Qg7# 1-0