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Hand Types

The nodes representing hand types were given values which divided hands into the seventeen categories of final hands reported in Table 2. This produced a level of play comparable to a weak amateur. Since any paired-low hand (pair of 9 or lower), for example, is treated as equal to any other, BPP would bet inappropriately strongly on weak paired hands and inappropriately weakly on hands such as a pair of nines.


 
Table 2: Original representation of poker hands within the Bayesian network: weakest to strongest
Hand Type Probability  
Busted Low (Busted 9 or lower) 0.0203227  
Busted Med (Busted 10 or J) 0.07631  
Busted Queen 0.082212  
Busted King 0.1292463  
Busted Ace 0.193495  
Pair Low (pair of 9s or lower) 0.2599887  
Pair Med (pair of 10s or Js) 0.0649163  
Pair Queen 0.03249  
Pair King 0.0325547  
Pair Ace 0.0324047  
Two Pair 0.0474187  
Triple 0.0211247  
Straight (sequence) 0.0038647  
Flush (same suit) 0.0020007  
Full House 0.0014023  
Four of a Kind 0.0002347  
Straight Flush 0.000014  
 


next up previous contents
Next: Belief updating Up: A Bayesian Network for Previous: Network Structure
Jason R Carlton
2000-11-13