[BruceZ]

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Thanks. Same idea for calculating w/starting hand of A-2-3-4?

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With A234, you can pair 2 of your hole cards. Any 2 board cards from A-7 will make your hand, as long as the board doesn't pair.

Note that there are 12 remaining cards A-4, and 12 remaining cards 5-7.

P(5-7)*P(A-7 minus 4 of turn rank) + P(A-4)*P(A-7 minus 3 of turn rank) =

(12/45 * 20/44) + (12/45 * 21/44)= 24.8%.

This isn't much better than A23x which was 24.2%. The only difference is that it allows the exact combinations A2, A3, and 23. On the other hand, A23x is much better than A2xx which was 16.2%, because A23x allows the A or 2 to pair.