Không rõ —
Pawn vs Pawn Opening with Sacrificed Head Cannon #3
Pawn vs Pawn Opening with Sacrificed Head Cannon · Central cannon + right direct chariot (other) vs deferred opposite cannons
Pawn vs Pawn Opening with Sacrificed Head Cannon · Central cannon + right direct chariot (other) vs deferred opposite cannons
Complete Games of Xianren Zhilu · Central cannon + right direct chariot (other) vs deferred opposite cannons
Complete Games of Xianren Zhilu · Central cannon + right direct chariot (other) vs deferred opposite cannons