Không rõ —
Jianghu Chess Puzzles #114
Chen Songshun - Jianghu Chess Puzzles · Central cannon + riverrank cannon vs left three-step tiger
Chen Songshun - Jianghu Chess Puzzles · Central cannon + riverrank cannon vs left three-step tiger
Chen Songshun - Jianghu Chess Puzzles · Central cannon + riverrank cannon vs left three-step tiger
Chen Songshun - Jianghu Chess Puzzles · Central cannon + riverrank cannon vs left three-step tiger
Chen Songshun - Jianghu Chess Puzzles · Central cannon + riverrank cannon vs left three-step tiger