9/5 Ultimate X Double Double Bonus Strategy

 

This page shows my strategy for the 10-hand version of 9/5 Ultimate X Double Double Bonus. With perfect play, which requires knowing more than one correct play for many hands based on the average multiplier, the expected return of this game is 98.49%. If you use the following single strategy at all times, the expected return is 98.43%. So you are giving up 0.06% in long-term return in exchange for a single, simple strategy.

Basic Strategy

• Full house or better
• 4 to a royal flush
• Flush
• Straight
• 3 of a kind
• 4 to a straight flush
• 2 pair
• 1 pair, Jacks or better
• 4 to a flush
• 3 to a royal flush
• 4 to a straight — 2345; 3456; 4567; 5678; 6789; 789T; 89TJ; 9TJQ; TJQK
• 1 pair, 2s through 10s
• 3 to a straight flush — 345; 456; 567; 678; 789; 89T; 9TJ; 9JQ
• 4 to a straight — JQKA
• 3 to a straight flush — 8JQ; 9JK; 9QK
• 4 to a straight — 9JQK; TJQA/TQKA
• 3 to a straight flush — 89J; 8TJ; 9TQ
• 4 to a straight — TJKA
• 2 to a royal flush — JQ; JK/QK
• 4 to a straight — 89JQ/8TJQ; 9TJK/9TQK
• 3 to a flush — 2JK to 8QK; 2JA to 9KA
• 2 to a royal flush — JA/QA/KA
• 3 to a straight flush Ace-low; 234/235/245; 346/356; 457/467; 568/578; 679/689; 78T/79T; 78J/79J/7TJ; 89Q/8TQ; 9TK
• 3 to a straight — TJQ; JQK
• 4 to a straight — Ace-low; 789J/78TJ/79TJ; 89TQ
• 2 to a straight — JQ; JK/QK
• 2 to a royal flush — TJ
• an Ace
• 3 to a flush — 23K to 8TK
• 2 to a royal flush — TQ; TK
• a Jack, Queen, or King
• 3 to a straight flush — 236/256
• 4 to a straight — 4578; 5679/5689/5789; 678T/679T/689T
• 3 to a straight flush — 569/579/589; 67T/68T/69T
• 4 to a straight — 2356/2456; 3457/3467/3567; 4568
• 3 to a straight flush — 246; 357; 458
• 4 to a straight — 4678
• 3 to a straight flush — 347/367; 468/478
• 4 to a straight — 2346
• 3 to a flush — 237 to 59T
• Discard everything

Written by: Michael Shackleford