one-chip rule A call of a previous bet using a chip of higher denomination than necessary is considered a call unless it is verbally announced as a raise. one-eyed royals See main article: one-eyed royals. one-ended straight draw Four out of five cards needed for a straight that can only be completed with one specific rank of card, in cases where the needed card rank is either higher or lower than the cards already held as part of the sequence; as opposed to an inside straight draw or an open-ended straight draw While A-2-3-4 and A-K-Q-J are the only truly one-ended straight draw possibilities, an open-ended straight draw could be considered one-ended if one of the card ranks needed to complete it would also give an opponent a hand of higher rank than a straight. Example: Player A has 8s-9c in the pocket, Player B has 10d-10c in the pocket. The flop and turn were 7c-6d-Ks-6h. Player B would complete a full house with a 6 or a 10. Player A would complete a straight with a 5 or a 10. While strictly speaking Player A has an open-ended straight draw, it can also be referred to as a one-ended straight draw because one of the ends—the 10—would not help the hand. The odds of completing a one-ended straight draw are the same as the odds of completing an inside straight draw
open To bet first. See main article: open. open-ended straight draw, open-ended An outside straight draw. Also "two-way straight draw" or "double-ended straight draw". openers The cards held by a player in a game of "jackpots" entitling him to open the pot. "Splitting openers" refers to holding onto one of your openers after discarding it to prove you had the necessary cards to open should you win the pot.