Không rõ —
Yicheng - Selected from New Illustrated Chess Manual: Master Games #2
Yicheng · Central cannon + 7th-file horse vs screen horses — red left horse river-linked
Yicheng · Central cannon + 7th-file horse vs screen horses — red left horse river-linked
Yicheng · Central cannon + 7th-file horse vs screen horses — red left horse river-linked
Yicheng · Central cannon + 7th-file horse vs screen horses — red left horse river-linked
Yicheng · Central cannon + 7th-file horse vs screen horses — red left horse river-linked