Challenge: Xiangqi Online: "Red Chariot Retreats to 3rd Rank 7 - Black Must Respond with Cannon Trap!" - Can you solve it?

An engaging online Xiangqi board with the Red Chariot retreating to rank 7, file 3, while Black's General is exposed on rank 10, file 5. Black's Cannon is positioned on rank 7, file 5, ready for a cannon trap, and Black's Chariot on rank 10, file 9 is waiting for a thrusting opportunity. Learn to play like a professional with detailed analysis!