>but why would white play F5 after E1 in your primary variation, instead >of playing atari at B2 to prevent the seki? Would this lose on points?
Yes, lose on points. After O fills C3, O has 36 points secure, so O needs one more point to win. There are two dame: at F5 and E1. So when X takes E1, then O must take F5. >I don't see how black can force a seki after C3 as long as the E1 >liberty is open in the initial position. True, but X has sente, so X can fill one liberty. _______________________________________________ computer-go mailing list computer-go@computer-go.org http://www.computer-go.org/mailman/listinfo/computer-go/
