Không rõ —
Rapid Central Pawn Advance Reference Games - 4 Black Pawn 7 Moves to 6 #1
Rapid Central Pawn Advance · Central cannon + 7th-file horse vs screen horses — red left horse river-linked
Rapid Central Pawn Advance · Central cannon + 7th-file horse vs screen horses — red left horse river-linked
Hu Ronghua Game Collection · Central cannon + 7th-file horse vs screen horses — red left horse river-linked