Hi all.

I have a question regarding the EV of hard 17 v 10 and when it becomes positive/negative with H17, specifically when having doubled and double down rescue is allowed. What makes it tricky is that its NHC with OBBO, double 11 v 10/A is correct according to BS when above -1 TC, and BS double down rescue is surrender 12-16 v 8-A.

It seems counter-intuitive to me to actually play this hand through, in both positive and negative counts?