def getHandCode(herohand, table):
handscore = 0
herohandplus = herohand.list_rep() + table.list_rep()
evaluated = hands.evaluate_hand(herohandplus)
if evaluated[2] > 3:
handscore = evaluated[2]
elif evaluated[2] == 3:
high_pair = evaluated[1][0]
highest_card = True
for e in evaluated[1]:
if high_pair < e:
highest_card = False
if highest_card:
handscore = features['2-pair-good']
else:
handscore = features['2-pair-bad']
elif evaluated[2] == 2:
high_pair = evaluated[1][0]
num_card_greater = 0
for e in evaluated[1]:
if high_pair < e:
num_card_greater += 1
if num_card_greater == 0:
handscore = features['high-pair']
elif num_card_greater == 1:
handscore = features['middle-pair']
else:
handscore = features['low-pair']
elif evaluated[2] == 1:
straightchance = checkstraight(herohandplus)
# evaluating for flush draw
if checkflush4(herohandplus):
handscore = features['flush-draw-4']
# evaluating for straight draw
elif straightchance >= 2:
handscore = features['straight-draw-good']
elif straightchance == 1:
handscore = features['straight-draw-bad']
else:
hand_strength = preflop_sim.getPreflopStrength(herohand)
win_ratio = hand_strength[0] / (hand_strength[0] + hand_strength[2])
if win_ratio > REALLYGOODHAND:
handscore = features['really-good-high']
elif win_ratio > GOODHAND:
handscore = features['good-high']
elif win_ratio > MIDDLEHAND:
handscore = features['middle-high']
elif win_ratio > BADHAND:
handscore = features['bad-high']
else:
handscore = features['really-bad-high']
return handscore
def getHandCode(herohand, table):
handscore = 0
herohandplus = herohand.list_rep() + table.list_rep()
evaluated = hands.evaluate_hand(herohandplus)
if evaluated[2] > 3:
handscore = evaluated[2]
elif evaluated[2] == 3:
high_pair = evaluated[1][0]
highest_card = True
for e in evaluated[1]:
if high_pair < e:
highest_card = False
if highest_card:
handscore = afterflop_sim.features['2-pair-good']
else:
handscore = afterflop_sim.features['2-pair-bad']
elif evaluated[2] == 2:
high_pair = evaluated[1][0]
num_card_greater = 0
for e in evaluated[1]:
if high_pair < e:
num_card_greater += 1
if num_card_greater == 0:
handscore = afterflop_sim.features['high-pair']
elif num_card_greater == 1:
handscore = afterflop_sim.features['middle-pair']
else:
handscore = afterflop_sim.features['low-pair']
elif evaluated[2] == 1:
hand_strength = preflop_sim.getPreflopStrength(herohand)
win_ratio = hand_strength[0] / (hand_strength[0] + hand_strength[2])
if win_ratio > afterflop_sim.REALLYGOODHAND:
handscore = features['really-good-high']
elif win_ratio > afterflop_sim.GOODHAND:
handscore = features['good-high']
elif win_ratio > afterflop_sim.MIDDLEHAND:
handscore = features['middle-high']
elif win_ratio > afterflop_sim.BADHAND:
handscore = features['bad-high']
else:
handscore = features['really-bad-high']
return handscore
def play_preflop(
self,
hand,
money_in,
money_required,
big_blind,
max_bet,
position=False,
small_blind=True):
kUndercut = .33 # chance that hero bets small with a really good hand
kLimp = .3 # chance that hero limps in with a poor hand
kGoodHand = .1 # really good hand differential
kBetFactor = 4
kConstantBetFactor = .75
kCallPercent = .3 # percent of big blind that the raise is for us just to call
kLowHandConstant = .08 # makes it more likely to play beter hands
kStretchFactor = 1.2
kGoodRatio = .56
kReallyGoodRatio = .66
final_bet = 0
hand_strength = preflop_sim.getPreflopStrength(hand)
win_ratio = hand_strength[0] / (hand_strength[0] + hand_strength[2])
cost_benefit_ratio = (money_required - money_in) / \
float(money_required)
# correcting for advantageous position
if position:
win_ratio = win_ratio * (1 + kPositionAdvantage)
else:
win_ratio = win_ratio * (1 - kPositionDisadvantage)
if small_blind:
if win_ratio > cost_benefit_ratio:
# 'bluff' by calling with a really good hand
if random.random() < kUndercut:
final_bet = money_required - money_in
else:
bet = (win_ratio + kConstantBetFactor) * \
big_blind + money_required - money_in
bet = randomPermute(bet, kRandomFactor)
if bet - money_required < kCallPercent * big_blind:
final_bet = money_required - money_in
else:
final_bet = int(bet) - money_in
else:
if randomPermute(
win_ratio,
kRandomFactor) + kLowHandConstant > cost_benefit_ratio or random.random() < kLimp:
final_bet = money_required - money_in
else:
final_bet = -1
else:
# use random_permute to sometimes play slightly worse hands as good
# hands
if randomPermute(win_ratio, kRandomFactor) > kGoodRatio:
if random.random() < kUndercut:
final_bet = money_required - money_in
else:
tentative_bet = (win_ratio + kConstantBetFactor) * big_blind + \
win_ratio * (money_required - money_in) * kBetFactor
if tentative_bet < money_required - money_in:
if win_ratio > kReallyGoodRatio:
final_bet = int(
randomPermute(
(money_required - money_in) * 2,
kRandomFactor))
else:
final_bet = money_required - money_in
else:
final_bet = int(tentative_bet)
else:
# kStretchFactor to err on the side of calling a bit
if cost_benefit_ratio < randomPermute(
win_ratio, kRandomFactor) * kStretchFactor:
final_bet = money_required - money_in
else:
final_bet = -1
# this is just to make sure we're not overambitious with betting
if final_bet > max_bet:
final_bet = max_bet
self.explanation += "Before the flop, hero's hand had a win ratio of " + \
str(win_ratio) + " and a cost-benefit ratio of " + str(cost_benefit_ratio) + " and we bet " + str(final_bet) + " as a result. "
return final_bet
