(Photo taken from the official site)
Hou made a relatively short draw with Black against Lahno and stayed in the lead. Dzagnidze won a nice attacking game against Kosintseva. In Muminova-Muzychuk there was another interesting Rook endgame which Black managed to win.
Results of the 4th round
GM Kosteniuk Alexandra 2527 1 – 0 WGM Batchimeg Tuvshintugs 2340
GM Dzagnidze Nana 2550 1 – 0 GM Kosintseva Tatiana 2496
GM Lagno Kateryna 2543 ½ – ½ GM Hou Yifan 2618
WGM Muminova Nafisa 2321 0 – 1 GM Muzychuk Anna 2560
GM Stefanova Antoaneta 2489 ½ – ½ WGM Girya Olga 2450
GM Ushenina Anna 2501 ½ – ½ GM Zhao Xue 2552
Standings after 4 rounds
1 GM Hou Yifan 2618 CHN 3½
2 GM Muzychuk Anna 2560 SLO 3
3 GM Zhao Xue 2552 CHN 2½
4 GM Stefanova Antoaneta 2489 BUL 2
5 GM Lagno Kateryna 2543 UKR 2
6 GM Kosteniuk Alexandra 2527 RUS 2
7 GM Ushenina Anna 2501 UKR 2
8 WGM Girya Olga 2450 RUS 2
9 GM Dzagnidze Nana 2550 GEO 1½
10 WGM Muminova Nafisa 2321 UZB 1½
11 GM Kosintseva Tatiana 2496 RUS 1½
12 WGM Batchimeg Tuvshintugs 2340 MGL ½
Sunday is a rest day!
Pairings of the 5th round
GM Zhao Xue 2552 – GM Kosteniuk Alexandra 2527
WGM Girya Olga 2450 – GM Ushenina Anna 2501
GM Muzychuk Anna 2560 – GM Stefanova Antoaneta 2489
GM Hou Yifan 2618 – WGM Muminova Nafisa 2321
GM Kosintseva Tatiana 2496 – GM Lagno Kateryna 2543
WGM Batchimeg Tuvshintugs 2340 – GM Dzagnidze Nana 2550
Photo Gallery of the 4th round.