This hand is adapted from “Example 24” in from Hugh Kelsey’s book, Master the Odds in Bridge. In hearts, North holds K3 , and South (declarer) holds A10985. Declarer needs four tricks from the suit and can afford …
Category Archives: probabilities
Suit Split Tables
This is an excerpt from a lengthy post titled “Basic Bridge Odds.” The main purpose is to suggest useful approximations to use at the table: Also, the Individual probability entry can be multiplied by the number of combinations* in a …
Vacant Spaces
Most players know the “8-ever, 9 …
Computing Combined Odds
Often it is necessary to combine the probabilities of multiple events. For example, holding AKQT, missing six cards, you would like to know the chance of making four tricks. You hope to drop the jack in three rounds, but you …
Basic Bridge Odds (revised 4/1/2025)
The “Suit Splits” tables at the end of this post show the odds (casual wording) of a split of a certain number of missing cards. The information is from https://en.wikipedia.org/wiki/Contract_bridge_probabilities but rearranged to emphasize patterns. These “a priori” probabilities assume …