Không rõ —
Central Cannon vs. Screen Horse Defense: Cannon Exchange and Chariot Retreat #11
Central Cannon Opening Study · Central cannon + 7th-file horse vs screen horses — red left horse river-linked
Central Cannon Opening Study · Central cannon + 7th-file horse vs screen horses — red left horse river-linked
Central Cannon Opening Study · Central cannon + 7th-file horse vs screen horses — red left horse river-linked