Không rõ —
Screen Horse Defense Breaks Central Cannon with Rapid Advancing River Chariot (4 Games) #1
Opening Traps - Black Series · Central cannon + 7th-file horse vs screen horses — red central pawn vs black twin river cannons
Opening Traps - Black Series · Central cannon + 7th-file horse vs screen horses — red central pawn vs black twin river cannons
Opening Traps - Black Series · 5-8 cannon mutual 3rd pawns vs screen horses — red left edge horse (vs black other)
Opening Traps - Black Series · Central cannon + 7th-file horse vs screen horses — red left horse river-linked
Opening Traps - Black Series · Central cannon + 7th-file horse vs screen horses — red central pawn vs black twin river cannons