Không rõ —
Xu Yinchuan's Winning Games at the 6th World Championship (Annotated by Hu Ronghua) #36
Sacrifice Observation Method · Central cannon + right lateral chariot vs left three-step tiger
Sacrifice Observation Method · Central cannon + right lateral chariot vs left three-step tiger
Sacrifice Observation Method · Central cannon + right lateral chariot vs left three-step tiger