Gutshot vs Open-Ended Straight Draw: Outs and Odds
A gutshot straight draw has four outs; an open-ended straight draw has eight. By the river those are 16.47% and 31.45%, roughly double, and both sit in the same poker odds chart rather than in separate tables. Why one rank produces four cards A gutshot is a draw completed by a single rank. Four cards of that rank are still unseen, so the out count is four. The shape matters because the count is fixed by the number of completing ranks, not by which cards a player holds or by where the gap sits inside the sequence. One rank always means the same four cards. ...