Hou Yifan coolly stemmed the attack that Black tends to obtain in the Marshall Attack. Then a king walk towards the centre didn't deter her as she held onto her extra pawns into the queen endgame.
Kateryna Lahno won in an instructive manner. With Rook and opposite bishop each she had the more active pieces and concerned herself with keeping and enhancing the pressure. later Kosintseva had to drop two pawns, which was too much for the black position to support, despite the Russian's best attemps to hold off the inevitable.