While the participants of the No Castling Masters had a rest day, the contenders in the A-Open and the Sportland NRW Cup played the sixth rounds in their respective tournaments. Alexander Donchenko defeated Matthias Blübaum for the first time in a classical tournament game to take the sole lead in the open, while Dinara Wagner caught Ruben Köllner in the lead of the Sportland NRW Cup. | Photo: Michelle Lassak