Puzzle 591182: Negrul dă mat
WGM Huang Qian (2394) - WIM Xu Tong (2217)
ch-CHN w 2011 Xinghua Jiangsu CHN (7), 2011.04.06
ch-CHN w 2011 Xinghua Jiangsu CHN (7), 2011.04.06
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