Where should black play to put white in atari without risking his own stones?
(;B[oa]C[Congratulations!!! You just put 5 white stones in atari. No matter what white does he cannot escape. RIGHT])
(;B[of]C[CHOICEFORCE];W[la]C[Ooops . . . white has just put 6 of your stones in atari, and there is no way for you to save them.FORCE]))