When the Red Chariot revealed on rank 8 and the Red Cannon revealed on rank 5 both launched an attack, the Black Advisor revealed on file 6 rank 8 created a classic 'Killing Move' formation. The Black Soldier on file 5 rank 3 and the Black Chariot on file 5 rank 6 cooperated dangerously, putting the Red General on file 6 rank 1 in a perilous 'Trapped' position. Is this one of the most difficult Xiangqi formations in modern play?