def run_sims(num_hands, params, num_decks=1, print_results=True, file=None):
dealer_hits_on_soft_17 = params['Dealer Hits on Soft 17']
double_after_split = params['Double Allowed After Split']
surrender_allowed = params['Surrender Allowed']
double_allowed = params['Double Allowed']
blackjack_return = params['Blackjack Payout']
total_return = 0
total_wagers = 0
total_squared = 0
shoe = Shoe(num_decks)
for i in range(num_hands):
player_hand = Hand(shoe.get_random_card(), shoe.get_random_card())
dealer_hand = Hand(shoe.get_random_card())
dealer_hand.dealer_hit(shoe, replace=True, hit_on_soft_17=False)
new_wagers, new_winnings = analyze_hand(player_hand, dealer_hand, 1,
shoe, blackjack_return,
dealer_hits_on_soft_17,
double_after_split,
surrender_allowed,
double_allowed)
total_wagers += new_wagers
total_return += new_winnings
total_squared += new_winnings * new_winnings
if print_results:
print_values(total_wagers, total_return, num_hands, total_squared,
params, file)
return get_values(total_wagers, total_return, num_hands, total_squared)
def calc_hard_strategy(decks):
shoe = Shoe(decks)
rows = 10
cols = 10
bs_hard = [ [0] * cols for _ in range(rows)]
#Hard table
for row in range(0, rows):
for col in range(0, cols):
d_rank = Rank(col+1)
if d_rank == 10:
d_rank = Rank.Ace
# player values 8 - 11
if row < 4:
p1 = Card(Rank.Six, Suit.Spade)
p2 = Card(Rank(row+1), Suit.Spade)
# Player values 12 - 18
elif row >= 4:
p1 = Card(Rank.Ten, Suit.Spade)
p2 = Card(Rank(row-3), Suit.Spade)
upcard = Card(d_rank, Suit.Spade)
p_hand = Hand([p1,p2])
game = Game(p_hand, upcard, shoe)
optimal = optimal_action(game)
bs_hard[row][col] = optimal
shoe.reset_shoe()
print(DataFrame(bs_hard))
def __init__(self):
self.DECKS = 8
self.shoe = Shoe(8)
self.p1 = Player("Complete_Strategy", 10000)
self.p2 = Player("Basic_Strategy", 10000)
self.dealer = Dealer(self.shoe)
self.sims = 0
def calc_split_strategy(decks):
# Split Table
shoe = Shoe(8)
rows = 9
cols = 10
bs_split = [ [0] * cols for _ in range(rows)]
for row in range(0, rows):
for col in range(0, cols):
assert(shoe.cards_in_shoe == 52*shoe.DECKS)
d_rank = Rank(col+1)
p_rank = Rank(row+1)
if d_rank == 10:
d_rank = Rank.Ace
if p_rank == 10:
p_rank = Rank.Ace
p1 = Card(p_rank, Suit.Spade)
p2 = Card(p_rank, Suit.Spade)
p_hand = Hand([p1,p2])
upcard = Card(d_rank, Suit.Spade)
game = Game(p_hand, upcard, shoe)
optimal = optimal_action(game)
shoe.reset_shoe()
bs_split[row][col] = optimal
print(DataFrame(bs_split))
def __init__(self, name = 'Bob the dealer', money = 1000000, delay = 1, verbose = True):
super().__init__(name, money)
self._playingPlayers = []
self._playersWithInsurance = []
self._shoe = Shoe()
self.delay = delay
self.isVerbose = verbose
def calc_soft_strategy(decks):
shoe = Shoe(decks)
rows = 7 # S13 - S19
cols = 10
bs_soft = [ [0] * cols for _ in range(rows)]
#Soft Table
for row in range(0, rows):
for col in range(0, cols):
assert(shoe.cards_in_shoe == 52*shoe.DECKS)
d_rank = Rank(col+1) # dealer's up card rank
if d_rank == 10:
d_rank = Rank.Ace
upcard = Card(d_rank, Suit.Spade)
p1 = Card(Rank.Ace, Suit.Spade)
p2 = Card(Rank(row+1), Suit.Spade)
p_hand = Hand([p1,p2])
game = Game(p_hand, upcard, shoe)
optimal = optimal_action(game)
bs_soft[row][col] = optimal
shoe.reset_shoe()
print(DataFrame(bs_soft))
class Sim():
def __init__(self):
self.DECKS = 8
self.shoe = Shoe(8)
self.p1 = Player("Complete_Strategy", 10000)
self.p2 = Player("Basic_Strategy", 10000)
self.dealer = Dealer(self.shoe)
self.sims = 0
def run(self):
for x in range(10000):
print(f"*** Hand {self.sims+1}***")
self.sims += 1
print(self.p1)
print(self.p2)
self.p1.bet()
self.p2.bet()
self.deal_cards()
while not self.p1.is_done() or not self.p2.is_done():
card = Card(Rank(random.randint(Rank.Ace, Rank.King)),
Suit.Spade)
action_b = strategy.infinite_basic_action(
self.p1.hand, self.dealer)
action_c = strategy.infinite_complete_action(
self.p2.hand, self.dealer)
self.p1.process_action(action_b, card)
self.p2.process_action(action_c, card)
self.dealer.playout_hand()
self.p1.payout(self.dealer.hand)
self.p2.payout(self.dealer.hand)
self.dealer.reset()
self.shoe.reset_shoe(
) # why am I reseting shoe everytime yet still calculating deal probs every hand?
print("\n")
def deal_cards(self):
players_hand = self.random_hand(2)
self.p1.add_hand(players_hand)
self.p2.add_hand(deepcopy(players_hand))
self.dealer.deal_card(
Card(Rank(random.randint(Rank.Ace, Rank.King)), Suit.Spade))
def random_hand(self, size):
cards = []
for _ in range(size):
card = Card(Rank(random.randint(Rank.Ace, Rank.King)), Suit.Spade)
cards.append(card)
self.shoe.draw(card)
return Hand(cards)
def __init__(self, name, money):
super().__init__(name, money)
self.shoe = Shoe()
self.players = []
# Holds bets before hands have been dealt
# We could make this a dictionary with the player's name as the key,
# but that assumes the player names are unique. Better solution would
# probably be to set bets on the Player object
self.playerBets = []
def test_deal(self):
shoe = Shoe(1)
self.assertEqual(len(shoe._cards), 52)
card1 = shoe.draw()
card2 = shoe.draw()
self.assertEqual(len(shoe._cards), 50)
self.assertNotIn(card1, shoe._cards)
self.assertNotIn(card2, shoe._cards)
shoe.receive([card1, card2])
self.assertEqual(len(shoe._cards), 52)
def __init__(self, agents, print_desc=False):
# A typical shoe has 6 decks and reshuffles when roughly 5/6 decks are used.
self.shoe = Shoe(6, 0.8)
self.dealer = DealerActor()
self.agents = []
self.player_count = len(agents) + 1
self.print_desc = print_desc
# Add the agents.
self.agents = agents
def testStandStrategy(self):
print("")
runs = GameParser.parse('../Games/strategy-stand.csv')
game = Game(Strategy(), { 'debug': True })
for run in runs:
print("")
print(run)
shoe = Shoe(run['cards'])
self.assertEquals(game.play(shoe), run['result'])
self.assertTrue(shoe.isEmpty())
def __init__(self):
self.chairs = []
self.shoe = Shoe(6)
self.dealer = Dealer()
self.insurance = True
self.blackjack_payout = 1.5
self.shoe_size = 6
def test_probability_class():
shoe = Shoe(8)
prob = Probability(shoe)
hand = Hand([c9, c4])
dealer = Hand([c6])
prob1 = prob.probability_of_hand(hand, 0)
exp1 = 0.0059314179796107515
prob2 = prob.probability_of_card(c0)
exp2 = 0.07692307692307693
if prob1 == exp1:
print("SUCCESS: probability class return correct probability")
else:
print(
f"FAIL: probability return '{prob1}' probability expected '{exp1}'"
)
if prob2 == exp2:
print("SUCCESS: probability class return correct probability")
else:
print(
f"FAIL: probability return '{prob2}' probability expected '{exp2}'"
)
class Dealer(Player):
def __init__(self):
super().__init__()
self._shoe = Shoe(1)
def hit(self, player, facedown=False):
card = self._shoe.draw()
card.facedown = facedown
player.receive(card)
def collect(self, cards):
self._shoe.receive(self.dispose() + cards)
def deal(self, player):
self.hit(player)
self.hit(self)
self.hit(player)
self.hit(self)
def main(path):
shoe_file = open(path, 'r').readlines()
matchers = ['heel', 'toe', 'padded']
matching = [s for s in shoe_file if any(xs in s for xs in matchers)]
materials = shoe_file[shoe_file.index('Materials\n') + 1]
#Length is static just for the challenge
#Can change it to apply to many cases
if (len(matching) == 3):
shoe = Shoe(matching[0].strip('-'), matching[1].strip('-'),
materials.strip('\n'))
print(shoe)
if (len(matching) == 4):
shoe = Shoe(matching[0].strip('-'), matching[2].strip('-'), materials,
matching[1].strip('-').strip('\n'))
print(shoe)
def switch_all_shoes(self):
"""
When any table calls this method, give a new, identical shoe to each
table in the simulation.
:return:
"""
shoe = Shoe()
for table in self.tables:
if table.has_active_players():
table._dealer.switch_shoe(deepcopy(shoe))
def main(DECKS):
shoe = Shoe(DECKS)
while True:
choice = input("n - new hand, q - quit: ").upper()
if choice == "Q":
break
elif choice == "N":
p1 = input("Your first card: ").upper()
du = input("Dealer up card: ").upper()
p2 = input("Your second card: ").upper()
h = Hand(p1, p2, du)
shoe.remove(p1)
shoe.remove(p2)
shoe.remove(du)
print(h)
while True:
choice2 = input("h - hit, p - split, s - stand: ").upper()
if choice2[0] == "S":
break
elif choice2[0] == "H":
choicesplit = choice2.split(" ")
try:
handindex = int(choicesplit[2])
except:
handindex = 1
h.hit(choicesplit[1], handindex=handindex)
shoe.remove(choicesplit[1])
print(h)
elif choice2[0] == "P":
choicesplit = choice2.split(" ")
try:
handindex = int(choicesplit[1])
except:
handindex = 1
h.split(handindex=handindex)
print(h)
print(shoe.count)
def main():
shoes = []
shoes.append(
Shoe("Yeezreel RF Size 12", "https://stockx.com/adidas-yeezy-boost-350-v2-yeezreel-reflective?size=12", 350))
shoes.append(
Shoe("Yeezreel RF Size 13", "https://stockx.com/adidas-yeezy-boost-350-v2-yeezreel-reflective?size=13", 350))
shoes.append(Shoe("Yechiel NRF Size 12.5", "https://stockx.com/adidas-yeezy-boost-350-v2-yecheil?size=12.5", 350))
headers = {
'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36', }
message = ""
for shoe in shoes:
res = requests.get(shoe.url, headers=headers)
parser = BeautifulSoup(res.text, features="html.parser")
shoe.price = parser.find('div', attrs={'class': 'sale-value'}).text
# print("Name: {}\tPrice: {}\n".format(shoe.name, shoe.price))
message = message + "Name: {}\tPrice: {}\n".format(shoe.name, shoe.price)
# message = message + "SENT ON AWS"
return send_sms(message)
def informal_hand_test():
from shoe import Shoe
s = Shoe()
h = Hand(10)
h.isVerbose = True
print(h)
c = s.draw()
c.flip()
print(c)
if h.can_hit():
h.hit(c)
print(h)
c = s.draw()
c.flip()
print(c)
if h.can_hit():
h.hit(c)
print(h)
print('Can double:', h.can_double())
print('Can hit:', h.can_hit())
print('Can split:', h.can_split())
c = s.draw()
c.flip()
h.double_down(c, h.bet)
print(h)
#should be busted now
try:
c = s.draw()
c.flip()
h.hit(c)
except RuleError as error:
print(error)
print("tried and failed to hit a busted hand.")
def main():
decks_of_cards = 6
shoe = Shoe(decks_of_cards)
stats = Stats()
running = True
while running:
try:
game = Game(shoe)
game.play()
stats.games.append(game)
except OutOfCardsException:
running = False
stats.print_game_stats()
def __init__(self, log, bankroll, rules_section="Blackjack"):
# Logger
self.log = log
# Required objects
self.rules = BlackjackRules(log, rules_section)
self.shoe = Shoe(log, self.rules.get_decks())
self.event_listener = EventListener(log)
# Variables
self.bankroll = bankroll
self.original_bet = 0
self.need_to_shuffle = False
self.split_hand_number = 1
self.insurance = 0
# Dealer hand related variables
self.dealer_hand = []
self.dealer_bust = False
# Player hand related variables
self.player_hand = self.new_player_hand()
self.split_hands = []
def __init__(self,
players,
shoe_size=4,
debug=False,
verbose=False,
min_bet=1,
max_bet=10,
shoe=None):
if verbose:
# print(chr(27) + "[2J")
print("-" * 80)
self.verbose = verbose
self.debug = debug
self.rules = self.Rules(shoe_size=shoe_size,
min_bet=min_bet,
max_bet=max_bet)
self.shoe = Shoe(shoe_size)
if shoe != None:
self.shoe = shoe
self.shoe.shuffle()
self.state = [self.PlayerState(Dealer())
] + [self.PlayerState(p) for p in players]
self.done = False
def play_round(self):
if len(self.shoe.cards) < (self.shoe_size * 13):
self.shoe = Shoe(self.shoe_size)
for chair in self.chairs:
chair.player.count = 0
decks_left = len(self.shoe.cards) / 52
self.dealer.hand = Hand()
for chair in self.chairs:
chair.hands = []
chair.active = True
chair.splits = False
hand = Hand()
chair.add_hand({
'hand': hand,
'bet': chair.player.make_bet(decks_left),
'active': True
})
self.dealer.deal_round(self)
if len(self.dealer.hand.cards) > 0:
if self.dealer.hand.is_dealer_blackjack():
for chair in self.chairs:
if chair.hands[0]['hand'].is_blackjack():
chair.player.blackjacks += 1
self.dealer.refund_player(chair.hands[0], chair)
chair.active = False
elif self.dealer.showing() is 11:
if self.insurance:
for chair in self.chairs:
if chair.player.insurance and chair.active:
chair.player.pay_insurance()
if self.dealer.hand.is_blackjack():
for chair in self.chairs:
if chair.player.insurance:
if self.insurance:
self.dealer.refund_player(
chair.hands[0], chair)
elif chair.hands[0]['hand'].is_blackjack():
chair.player.blackjacks += 1
self.dealer.refund_player(chair.hands[0], chair)
chair.active = False
else:
self.resolve_chairs()
self.dealer.resolve_round(self)
else:
self.resolve_chairs()
self.dealer.resolve_round(self)
def dealer_class_test(card, exp):
shoe = Shoe(8)
prob = Probability(shoe)
dealer = Dealer(shoe, prob)
dealer.deal_card(card)
probs = dealer.dealer_outcome_probs()
# make sure probability isn't greated than one
if round(sum(probs), 2) != 1.0:
print(f"FAIL: dealer outcome probabilites < or > 1 : '{sum(probs)}'")
return
if exp == probs:
print("\tSUCCESS: dealer outcome probabilites as expected")
else:
print("\tFAIL: dealer outcome probabilites NOT as expected")
class Dealer(Player):
def __init__(self,
name='Bob the dealer',
money=1000000,
delay=1,
verbose=True):
super().__init__(name, money)
self._playingPlayers = []
self._playersWithInsurance = []
self._shoe = Shoe()
self.delay = delay
self.isVerbose = verbose
def sit(self, table):
"""Override the player sit method. so that the dealer sits on the right side of the table."""
self._table = table
table.add_dealer(self)
def bet_or_leave(self):
"""
At the start of each round the player can either bet by entering an amount
to bet, sit this hand out by entering 0 for a bet, or leave the table by
entering -1.
"""
#
# The dealer will not be in the list of players, so this method will not be
# called on the dealer.
#
pass
def wants_insurance(self):
"""
Returns True if the player should buy insurance else return False.
This procedure is called by the dealer after all players have bet and
receives their cards and after the dealer has received his cards. It is
only called if the dealer is showing an ace (the dealer might have blackjack).
"""
#
# The dealer will not be in the list of players, so this method will not be
# called on the dealer.
#
pass
def play(self, hand, dealerShowing):
"""
Returns the player's action for this hand. The dealer calls this method
repeatedly for each of the player's hands until all hands are completed.
Valid return values are listed below. Note that two values are returned:
choice: one of the plays listeded below
additionalBet: the amount to "double down" by
additionalBet is discarded by the caller in all other cases.
allPlays = {'s': '[S]tand',
'h': '[H]it',
'd': '[D]ouble down',
'p': 's[P]lit',
'u': 's[U]rrender'}
return choice, additionalBet
"""
if hand.value() < 17:
choice = 'h' #hit
else:
choice = 's' #stand
additionalBet = None
return choice, additionalBet
def switch_shoe(self, shoe):
"""
When we run a simulation instead of a game, we want to make sure that all of
dealers are using the same shoe and switching shoes at the same time.
:param shoe: a preshuffled shoe, ready to be delt from.
:type shoe: Shoe
:return:
"""
self._shoe = shoe
for player in self._table.players:
player.reset_count()
def take_bets(self):
sleep(self.delay)
if self.isVerbose: print('\n---betting---')
self._playingPlayers = []
leavingPlayers = []
for player in self._table.players:
#
# = -1: player is leaving the table
# = 0: players is sitting this hand out
# > 0: player is betting this amount
#
if self.isVerbose: print(f'\n{player}')
betAmount = player.bet_or_leave()
name = player.name.capitalize()
minimumBet = 1
if betAmount == -1 or player.money < 1: # leaving table
leavingPlayers.append(player)
if self.isVerbose:
print(
f"{name} is leaving the table with ${player.money:0.2f}."
)
elif betAmount == 0:
if self.isVerbose: print(f"{name} is sitting this hand out.")
elif betAmount > 0 and player.money >= betAmount:
if betAmount < minimumBet:
betAmount = minimumBet
if betAmount > player.money:
betAmount = player.money
self._playingPlayers.append(player)
player.rake_out(betAmount)
self.rake_in(betAmount)
player.add_hand(Hand(betAmount))
player.handsPlayed += 1
player.totalWagers += betAmount
if self.isVerbose:
print(f"{name} is betting ${betAmount:0.2f}.")
else:
raise ValueError(
f"{player} doesn't have enough money to bet ${betAmount:0.2f}."
)
for player in leavingPlayers:
self._table.leave_table(player)
def show_card_to_players(self, card):
"""
Make sure that players who might be counting cards get to see
every card that is delt, not just the ones in their hands.
"""
for player in self._playingPlayers:
player.count(card)
def deal(self):
"""
Deal an initial 2 cards to each player and to the dealer.
"""
#
# Shuffle the cards if we need to.
#
if self._shoe.should_shuffle():
self._shoe.shuffle()
for player in self._table.players:
player.reset_count()
self._table.shuffling_shoe()
#
# Deal cards to each player.
#
cardsToDeal = 2
for _ in range(cardsToDeal):
for player in self._playingPlayers:
card = self._shoe.draw().flip()
player.hands[0].hit(card)
self.show_card_to_players(card)
#
# Deal yourself some cards.
#
bet = 0
self.add_hand(Hand(bet))
card = self._shoe.draw().flip()
self.hands[0].hit(card)
self.show_card_to_players(card)
self.hands[0].hit(self._shoe.draw().flip())
def offer_insurance(self):
if self.isVerbose: print('\n')
self._playersWithInsurance = []
if self.hands[0][1].name == 'ace':
for player in self._playingPlayers:
if player.wants_insurance():
self._playersWithInsurance.append(player)
player.insurance = player.hands[0].bet / 2
player.timesInsurance += 1
def play_hands(self):
"""
Loop through the players and let them choose what they want to do. Then
process that decision.
"""
playerOptions = {
's': self.player_stand,
'h': self.player_hit,
'p': self.player_split,
'd': self.player_double_down,
'u': self.player_surrender
}
if self.isVerbose: print('\n---players are playing---')
dealerShowing = self.hands[0][1]
for player in self._playingPlayers:
for hand in player.hands:
if hand.isBlackJack:
if self.isVerbose:
print(f"{player.name} has Blackjack! {hand}.")
while hand.can_hit():
sleep(self.delay)
playerDecision, additionalBet = player.play(
hand, dealerShowing)
if playerDecision.lower() in playerOptions:
which_option = playerOptions[playerDecision.lower()]
which_option(player, hand, additionalBet)
else:
if self.isVerbose:
print(
f"I'm sorry, I don't know what '{playerDecision}' means."
)
def player_stand(self, player, hand, *args):
hand.stand()
if self.isVerbose: print(f"{player.name} stands with {hand}.")
def player_hit(self, player, hand, *args):
card = self._shoe.draw().flip()
self.show_card_to_players(card)
hand.hit(card)
if self.isVerbose:
print(f"{player.name} hit and received a {card} {hand}.")
player.timesHit += 1
def player_split(self, player, hand, *args):
if hand.can_split() and player.money >= hand.bet:
self.rake_in(player.rake_out(hand.bet))
newHand = Hand(hand.bet)
newHand.hit(hand.split())
card = self._shoe.draw().flip()
self.show_card_to_players(card)
newHand.hit(card)
player.add_hand(newHand)
card = self._shoe.draw().flip()
self.show_card_to_players(card)
hand.hit(card)
if self.isVerbose:
print(
f"{player.name} split and now has: \n {hand}\n {newHand}"
)
player.timesSplit += 1
player.handsPlayed += 1
player.totalWagers += hand.bet
else:
if self.isVerbose:
print("Sorry, you can't split this hand (standing instead).")
self.player_stand(player, hand)
def player_double_down(self, player, hand, additionalBet):
if hand.can_double() and is_number(
additionalBet) and player.money >= additionalBet:
card = self._shoe.draw().flip()
self.show_card_to_players(card)
hand.double_down(card, additionalBet)
self.rake_in(player.rake_out(additionalBet))
if self.isVerbose:
print(
f"{player.name} doubled down and received a {card} {hand}."
)
player.timesDoubled += 1
player.totalWagers += additionalBet
else:
if self.isVerbose:
print("Sorry, you can't double this hand (hitting instead).")
self.player_hit(player, hand)
def player_surrender(self, player, hand, *args):
print('Sorry, surrender is not implemented (pick again).')
player.timesSurrendered += 1
#TODO Make sure dealer shows hole card to players somewhere for counting.
def play_own_hand(self):
if self.isVerbose: print('\n---dealer is playing---')
playerOptions = {'s': self.player_stand, 'h': self.player_hit}
hand = self.hands[0]
dealerShowing = hand[0]
while hand.can_hit():
playerDecision, additionalBet = self.play(hand, dealerShowing)
which_option = playerOptions[playerDecision]
which_option(self, hand, additionalBet)
def payout_hands(self):
if self.isVerbose: print('\n---results---')
dealerHand = self.hands[0]
for player in self._playingPlayers:
sleep(self.delay * 2)
for hand in player.hands:
if hand.isBusted:
winnings = 0
text = 'lost'
player.timesBusted += 1
player.timesLost += 1
player.lastHand = 'lost'
elif hand.isBlackJack and not dealerHand.isBlackJack:
winnings = hand.bet * 2.5
text = 'won (Blackjack!)'
player.timesWon += 1
player.timesBlackjack += 1
player.lastHand = 'won'
elif hand.isBlackJack and dealerHand.isBlackJack:
winnings = hand.bet
text = 'pushed (blackjack) and lost'
player.timesPushed += 1
player.timesBlackjack += 1
player.lastHand = 'pushed'
elif not hand.isBlackJack and dealerHand.isBlackJack:
winnings = 0
text = 'lost'
player.timesLost += 1
player.lastHand = 'lost'
elif hand.value() == dealerHand.value():
winnings = hand.bet
text = 'pushed and lost'
player.timesPushed += 1
player.lastHand = 'pushed'
elif dealerHand.isBusted:
winnings = hand.bet * 2
text = 'won (dealer busted)'
player.timesWon += 1
player.lastHand = 'won'
elif hand.value() > dealerHand.value():
winnings = hand.bet * 2
text = 'won'
player.timesWon += 1
player.lastHand = 'won'
elif hand.value() < dealerHand.value():
winnings = 0
text = 'lost'
player.timesLost += 1
player.lastHand = 'lost'
player.rake_in(winnings)
self.rake_out(winnings)
winnings = abs(winnings - hand.bet)
if self.isVerbose:
print(f"{player.name} {text} ${winnings:0.2f} on {hand}.")
#
# Payout any insurance bets.
#
for player in self._playersWithInsurance:
if dealerHand.isBlackJack:
winnings = player.insurance * 2
player.rake_in(winnings)
self.rake_out(winnings)
if self.isVerbose:
print(
f"{player.name} won ${player.insurance:0.2f} on the insurance bet."
)
else:
if self.isVerbose:
print(
f"{player.name} lost ${player.insurance:0.2f} on the insurance bet."
)
#
# Clear the table and get ready for the next round.
#
for player in self._playingPlayers:
player.discard_hands()
player.insurance = 0
if player._chips > player.maxMoney:
player.maxMoney = player._chips
self.discard_hands()
if self.isVerbose: print('---results complete---')
class Simulation:
MIN_BET = 15
#go through the tables in this sequence
#[a,b] where a is the dealer's face up card and b is the player's paired card
PAIRED_TABLE = [
['U' for i in range(11)], #dealer card == 0
['U', 'P', 'H', 'H', 'H', 'H', 'H', 'H', 'P', 'S', 'S'], #1
['U', 'P', 'P', 'P', 'H', 'D', 'P', 'P', 'P', 'P', 'S'], #2
['U', 'P', 'P', 'P', 'H', 'D', 'P', 'P', 'P', 'P', 'S'], #3
['U', 'P', 'P', 'P', 'H', 'D', 'P', 'P', 'P', 'P', 'S'], #4
['U', 'P', 'P', 'P', 'P', 'D', 'P', 'P', 'P', 'P', 'S'], #5
['U', 'P', 'P', 'P', 'P', 'D', 'P', 'P', 'P', 'P', 'S'], #6
['U', 'P', 'P', 'P', 'H', 'D', 'H', 'P', 'P', 'S', 'S'], #7
['U', 'P', 'H', 'H', 'H', 'D', 'H', 'H', 'P', 'P', 'S'], #8
['U', 'P', 'H', 'H', 'H', 'D', 'H', 'H', 'P', 'P', 'S'], #9
['U', 'P', 'H', 'H', 'H', 'H', 'H', 'H', 'P', 'S', 'S'], #10
]
#[a,b] where a is the dealer's face up card and b is the player's non-ace card
#note: if hitting a card creates an equivalent situation, we need to consider that
ACE_TABLE = [
['U' for i in range(11)], #dealer card == 0
['U', 'U', 'H', 'H', 'H', 'H', 'H', 'H', 'S', 'S', 'S'], #1
['U', 'U', 'H', 'H', 'H', 'H', 'H', 'S', 'S', 'S', 'S'], #2
['U', 'U', 'H', 'H', 'H', 'H', 'D', 'D', 'S', 'S', 'S'], #3
['U', 'U', 'H', 'H', 'D', 'D', 'D', 'D', 'S', 'S', 'S'], #4
['U', 'U', 'D', 'D', 'D', 'D', 'D', 'D', 'S', 'S', 'S'], #5
['U', 'U', 'D', 'D', 'D', 'D', 'D', 'D', 'S', 'S', 'S'], #6
['U', 'U', 'H', 'H', 'H', 'D', 'H', 'S', 'S', 'S', 'S'], #7
['U', 'U', 'H', 'H', 'H', 'D', 'H', 'S', 'S', 'S', 'S'], #8
['U', 'U', 'H', 'H', 'H', 'H', 'H', 'H', 'S', 'S', 'S'], #9
['U', 'U', 'H', 'H', 'H', 'H', 'H', 'H', 'S', 'S', 'S'], #10
]
#[a,b] where a is the dealer's face up card and b is the player's hand value
VALUE_TABLE = [
['U' for i in range(21)], #dealer card == 0
['U', 'U', 'U', 'U', 'U', 'H', 'H', 'H', 'H', 'H', 'H', 'H', 'H', 'H', 'H', 'H', 'H', 'S', 'S', 'S', 'S', 'S'], #1
['U', 'U', 'U', 'U', 'U', 'H', 'H', 'H', 'H', 'H', 'D', 'D', 'H', 'S', 'S', 'S', 'S', 'S', 'S', 'S', 'S', 'S'], #2
['U', 'U', 'U', 'U', 'U', 'H', 'H', 'H', 'H', 'D', 'D', 'D', 'H', 'S', 'S', 'S', 'S', 'S', 'S', 'S', 'S', 'S'], #3
['U', 'U', 'U', 'U', 'U', 'H', 'H', 'H', 'H', 'D', 'D', 'D', 'S', 'S', 'S', 'S', 'S', 'S', 'S', 'S', 'S', 'S'], #4
['U', 'U', 'U', 'U', 'U', 'H', 'H', 'H', 'H', 'D', 'D', 'D', 'S', 'S', 'S', 'S', 'S', 'S', 'S', 'S', 'S', 'S'], #5
['U', 'U', 'U', 'U', 'U', 'H', 'H', 'H', 'H', 'D', 'D', 'D', 'S', 'S', 'S', 'S', 'S', 'S', 'S', 'S', 'S', 'S'], #6
['U', 'U', 'U', 'U', 'U', 'H', 'H', 'H', 'H', 'H', 'D', 'D', 'H', 'H', 'H', 'H', 'H', 'S', 'S', 'S', 'S', 'S'], #7
['U', 'U', 'U', 'U', 'U', 'H', 'H', 'H', 'H', 'H', 'D', 'D', 'H', 'H', 'H', 'H', 'H', 'S', 'S', 'S', 'S', 'S'], #8
['U', 'U', 'U', 'U', 'U', 'H', 'H', 'H', 'H', 'H', 'D', 'D', 'H', 'H', 'H', 'H', 'H', 'S', 'S', 'S', 'S', 'S'], #9
['U', 'U', 'U', 'U', 'U', 'H', 'H', 'H', 'H', 'H', 'H', 'D', 'H', 'H', 'H', 'H', 'H', 'S', 'S', 'S', 'S', 'S'], #10
]
def __init__(self, num_decks):
self.shoe = Shoe(num_decks)
self.balance = 0
self.lower_balance = 0
self.playing = True
def run(self):
while not self.shoe.is_finished():
if self.shoe.true_count() < -1:
self.playing = False
elif self.shoe.true_count() > 1:
self.playing = True
if self.playing: self.balance += self.play()
#draw a number of cards for info
for i in range(10):
self.shoe.draw()
return self.balance
def play(self): #play returns amount of money won/lost
tc = round(self.shoe.true_count())
bet = max(self.MIN_BET * round((tc + 1)/2), self.MIN_BET)
dealer_hand = [self.shoe.draw(), self.shoe.draw()]
player_hand = [self.shoe.draw(), self.shoe.draw()]
player_games = [] # for splits
#check for blackjacks
dbj = self.blackjack(dealer_hand)
pbj = self.blackjack(player_hand)
if dbj and pbj: return 0
if dbj: return -1 * bet
if pbj: return bet * 3/2
#run the player hand and stop if there's a loss
player_result = self.run_player_hand(dealer_hand, player_hand)
if player_result == 'P':
#store each hand and metadata as a tuples
player_games = map(lambda hand: (hand, 'U', 0), self.expand_hands(player_hand))
#run each hand
new_player_games = []
for game in player_games:
new_player_games.append((game[0], self.run_player_hand(dealer_hand, game[0]), game[2]))
player_games = new_player_games
else:
player_games = [(player_hand, player_result, 0)]
#split the busted games and nonbusted games
bust_games = []
nonbust_games = []
for game in player_games:
if game[1] == 'DB':
game = (game[0], game[1], -2 * bet)
bust_games.append(game)
elif game[1] == 'B':
game = (game[0], game[1], -1 * bet)
bust_games.append(game)
else:
nonbust_games.append(game)
#run the dealer hand
dealer_result = self.run_dealer_hand(dealer_hand)
#print("Dealer hand: ", dealer_hand)
#compare against each player hand
new_nonbust_games = []
for game in nonbust_games:
gain = self.hand_result(dealer_result, dealer_hand, game[1], game[0]) * bet
if game[1] == 'DS': gain *= 2
new_nonbust_games.append((game[0], game[1], gain))
nonbust_games = new_nonbust_games
#cumulate results
sum = 0
for game in nonbust_games + bust_games:
#print("Player hand: ", game[0], "Gain: ", game[2])
sum += game[2]
return sum
def blackjack(self, hand):
if 1 in hand and 10 in hand: return True
return False
#returns a list of non-splittable hands, assuming hand is already splittable and its 2 cards
def expand_hands(self, player_hand):
if player_hand[0] != player_hand[1]:
return [player_hand]
return self.expand_hands([player_hand[0], self.shoe.draw()]) + self.expand_hands([player_hand[0], self.shoe.draw()])
def hand_result(self, dealer_result, dealer_hand, player_result, player_hand):
#we'll need these more than once
soft_value = self.soft_value(player_hand)
dealer_soft_value = self.soft_value(dealer_hand)
#finalize winner and return net gain/loss
if dealer_result == 'B' or dealer_soft_value < soft_value:
return 1
elif dealer_soft_value > soft_value:
return -1
else:
return 0
def run_player_hand(self, dealer_hand, player_hand):
next_move = 'U'
while True:
#check if last move was double down
if next_move == 'D':
if self.hard_value(player_hand) > 21: return 'DB'
return 'DS'
#calc next move, including busts from a previous hit
next_move = self.player_next_move(dealer_hand, player_hand)
if next_move == 'H' or next_move == 'D':
player_hand.append(self.shoe.draw())
if next_move == 'S' or next_move == 'B' or next_move == 'P':
return next_move
def run_dealer_hand(self, dealer_hand):
next_move = 'U'
while True:
if self.hard_value(dealer_hand) > 21: return 'B'
if self.soft_value(dealer_hand) > 17: return 'S'
dealer_hand.append(self.shoe.draw())
def player_next_move(self, dealer_hand, player_hand):
move = 'U'
hard_value = self.hard_value(player_hand)
if hard_value > 21: return 'B'
if hard_value >= 17: return 'S' #unnecessary but improves performance
if len(player_hand) == 2 and player_hand[0] == player_hand[1]:
return Simulation.PAIRED_TABLE[dealer_hand[0]][player_hand[0]]
if 1 in player_hand and hard_value <= 11:
return Simulation.ACE_TABLE[dealer_hand[0]][hard_value - 1]
return Simulation.VALUE_TABLE[dealer_hand[0]][hard_value]
def hard_value(self, hand):
sum = 0
for card in hand:
sum += card
return sum
def soft_value(self, hand):
ace = False
sum = 0
for card in hand:
sum += card
if card == 1:
ace = True
if ace and sum <= 11:
return sum + 10
return sum
def __init__(self):
super().__init__()
self._shoe = Shoe(1)
def __init__(self, num_decks): self.shoe = Shoe(num_decks) self.balance = 0 self.lower_balance = 0 self.playing = True
def set_table_style(self, insurance, blackjack_payout, shoe_size):
self.insurance = insurance
self.blackjack_payout = blackjack_payout
self.shoe_size = shoe_size
self.shoe = Shoe(shoe_size)
#!/usr/bin/python
from game import Game
from shoe import Shoe
from strategy import Strategy
shoe = Shoe(Shoe.DECK)
shoe.shuffle();
game = Game(Strategy(), { 'debug': True })
#game.debug()
#print(game.status)
print(game.play(shoe))
def test_basic(self):
shoe = Shoe()
self.assertEquals(shoe.size(), 0)
self.assertTrue(shoe.isEmpty())
shoe = Shoe([ 1, 2, 3])
self.assertEquals(shoe.size(), 3)
self.assertFalse(shoe.isEmpty())
self.assertEquals(shoe.get(), 1)
self.assertEquals(shoe.size(), 3)
shoe.pop()
self.assertEquals(shoe.size(), 2)
shoe = Shoe(Shoe.DECK)
self.assertEquals(shoe.size(), 52)
self.assertEquals(shoe.get(), 1)
def test_four_of_each_face(self):
shoe = Shoe(1)
for face in Face:
self.assertEqual(len([x for x in shoe._cards if x.face == face]), 4)
def __init__(self, log, decks):
Shoe.__init__(self, log, decks)
# %load main.py
from player import Player
from shoe import Shoe
from utilities import hit, newHand, deal, getReward, getAction, getUpdatedQsa
from collections import defaultdict
from IPython.display import clear_output
#import logging
#logging.basicConfig(filename='LearningPolicy.log', filemode='w', level=logging.DEBUG, format='%(asctime)s %(levelname)s:%(message)s', datefmt='%m/%d/%Y %I:%M:%S %p')
# Initialize
shoe = Shoe(1)
dealer = Player()
player = Player()
Q = defaultdict(float)
N = defaultdict(float)
RTG = [] # Reward to Go function
CR = [] # Cumulative reward function
LOSS = [] # Loss function
ACTIONS = (
'HIT',
'STAND',
)
epsilon = 10
lr = 0.08
discount = 0.99
class BlackjackGame:
HAND_KEY = "hand"
BUST_KEY = "bust"
DONE_KEY = "done"
NUMBER_KEY = "number"
BET_KEY = "bet"
SURRENDER_KEY = "surrender"
def __init__(self, log, bankroll, rules_section="Blackjack"):
# Logger
self.log = log
# Required objects
self.rules = BlackjackRules(log, rules_section)
self.shoe = Shoe(log, self.rules.get_decks())
self.event_listener = EventListener(log)
# Variables
self.bankroll = bankroll
self.original_bet = 0
self.need_to_shuffle = False
self.split_hand_number = 1
self.insurance = 0
# Dealer hand related variables
self.dealer_hand = []
self.dealer_bust = False
# Player hand related variables
self.player_hand = self.new_player_hand()
self.split_hands = []
def get_rules(self):
return self.rules
def get_bankroll(self):
return self.bankroll
def get_dealer_hand(self):
return self.dealer_hand
def get_player_hand(self):
return self.player_hand[self.HAND_KEY]
def get_player_hand_number(self):
return self.player_hand[self.NUMBER_KEY]
def set_event_listener(self, event_listener):
self.event_listener = event_listener
def can_double_down(self, hand, bet):
can = False
if len(hand) == 2 and self.calc_total_bets() + bet <= self.bankroll:
if self.rules.can_double_down_on_all() == True:
can = True
else:
total = self.calc_highest_total(hand)
if total >= 9 and total <= 11:
can = True
return can
def can_split(self, hand, bet):
can = False
if len(hand) == 2 and hand[0][0] == hand[1][
0] and self.calc_total_bets() + bet <= self.bankroll:
can = True
return can
def can_surrender(self):
can = False
if self.rules.is_surrender_allowed() and len(
self.player_hand[self.HAND_KEY]) == 2 and len(
self.split_hands) == 0:
can = True
return can
def can_buy_insurance(self):
can = False
if self.rules.is_insurance_allowed() and self.calc_rank(
self.dealer_hand[1]
) == 1 and self.calc_total_bets() < self.bankroll:
can = True
return can
def calc_rank(self, card):
rank = 0
char = card[0]
if char.isdigit():
rank = int(char)
elif char == 'A':
rank = 1
elif char == 'T' or char == 'J' or char == 'Q' or char == 'K':
rank = 10
return rank
def calc_highest_total(self, hand):
total = 0
aces = 0
for card in hand:
rank = self.calc_rank(card)
#self.log.finest("card: " + card + ", rank: " + str(rank))
if rank == 1:
aces = aces + 1
total = total + rank
while total <= 11 and aces > 0:
total = total + 10
aces = aces - 1
return total
def calc_lowest_total(self, hand):
total = 0
for card in hand:
rank = self.calc_rank(card)
total = total + rank
return total
def calc_total_bets(self):
total = self.player_hand[self.BET_KEY]
for hand in self.split_hands:
total = total + hand[self.BET_KEY]
return total
def is_blackjack(self, hand):
blackjack = False
if self.calc_highest_total(hand) == 21 and len(hand) == 2:
blackjack = True
return blackjack
def has_splits(self):
if len(self.split_hands) > 0:
return True
return False
def new_player_hand(self):
new_hand = {
self.HAND_KEY: [],
self.BUST_KEY: False,
self.DONE_KEY: False,
self.BET_KEY: self.original_bet,
self.NUMBER_KEY: self.split_hand_number,
self.SURRENDER_KEY: False
}
self.split_hand_number = self.split_hand_number + 1
return new_hand
def double_bet(self):
self.player_hand[self.BET_KEY] = self.player_hand[self.BET_KEY] * 2
self.player_hand[self.DONE_KEY] = True
def surrender_hand(self):
self.player_hand[self.SURRENDER_KEY] = True
self.player_hand[self.DONE_KEY] = True
def buy_insurance(self, insurance):
if insurance >= 0 and insurance <= self.original_bet / 2 and self.calc_total_bets(
) + insurance <= self.bankroll:
self.insurance = insurance
return True
return False
def make_dealer_hole_card_visible(self):
self.event_listener.event("card", self.dealer_hand[0])
def deal_card(self, visible=True):
card = self.shoe.deal()
if card == "":
self.need_to_shuffle = True
card = self.shoe.deal()
if card == "":
self.log.warning("Shoe empty! Shuffling when not supposed to!")
self.shoe.shuffle()
self.event_listener.event("shuffle", "")
card = self.shoe.deal()
if visible == True:
self.event_listener.event("card", card)
return card
def deal_card_to_dealer(self):
self.dealer_hand.append(self.deal_card())
if self.calc_highest_total(self.dealer_hand) > 21:
self.dealer_bust = True
def deal_card_to_player(self):
self.player_hand[self.HAND_KEY].append(self.deal_card())
if self.calc_highest_total(self.player_hand[self.HAND_KEY]) > 21:
self.player_hand[self.BUST_KEY] = True
def deal_hand(self, bet):
# Save original bet
self.original_bet = bet
# Shuffle if need be
if self.need_to_shuffle:
self.need_to_shuffle = False
self.shoe.shuffle()
self.event_listener.event("shuffle", "")
# Setup hands
self.dealer_hand = []
self.dealer_bust = False
self.split_hands = []
self.split_hand_number = 1
self.player_hand = self.new_player_hand()
self.insurance = 0
# Deal hands
self.player_hand[self.HAND_KEY].append(self.deal_card())
self.dealer_hand.append(self.deal_card(False))
self.player_hand[self.HAND_KEY].append(self.deal_card())
self.dealer_hand.append(self.deal_card())
def split_hand(self):
self.log.finer("Before split: " + str(self.player_hand[self.HAND_KEY]))
new_hand = self.new_player_hand()
card = self.player_hand[self.HAND_KEY].pop()
new_hand[self.HAND_KEY].append(card)
self.player_hand[self.HAND_KEY].append(self.deal_card())
new_hand[self.HAND_KEY].append(self.deal_card())
self.split_hands.append(new_hand)
self.log.finer("After split: " + str(self.player_hand[self.HAND_KEY]) +
str(new_hand[self.HAND_KEY]))
def next_hand(self):
next = False
self.player_hand[self.DONE_KEY] = True
for i in range(len(self.split_hands)):
#print(self.split_hands[i])
if self.split_hands[i][self.DONE_KEY] == False:
next = True
# Append current hand at the end of the split list
self.split_hands.append(self.player_hand)
# Pop the next not done hand and make it the current hand
self.player_hand = self.split_hands.pop(i)
break
return next
def is_player_hand_over(self):
done = self.player_hand[self.DONE_KEY]
if done == False:
if self.player_hand[self.BUST_KEY] == True:
done = True
elif self.is_blackjack(self.player_hand[self.HAND_KEY]) == True:
done = True
self.player_hand[self.DONE_KEY] = done
return done
def is_dealer_hand_over(self):
if self.is_blackjack(self.dealer_hand) == True:
return True
dealer_total = self.calc_highest_total(self.dealer_hand)
if dealer_total > 17:
return True
if dealer_total == 17 and self.rules.does_dealer_hits_on_soft_17(
) == False:
return True
return False
def finish_hand(self):
result = []
# Handle insurance bet
dealer_blackjack = self.is_blackjack(self.dealer_hand)
if self.insurance > 0:
if dealer_blackjack:
self.bankroll = self.bankroll + self.insurance * 2
else:
self.bankroll = self.bankroll - self.insurance
# Go through hands
while True:
if self.player_hand[self.SURRENDER_KEY] == True:
# Surrender, bet should be halved
player_won = SURRENDER_RESULT
self.bankroll = self.bankroll - self.player_hand[
self.BET_KEY] / 2
else:
player_won = PUSH_RESULT
dealer_total = self.calc_highest_total(self.dealer_hand)
player_total = self.calc_highest_total(
self.player_hand[self.HAND_KEY])
# First, test for blackjacks
player_blackjack = self.is_blackjack(
self.player_hand[self.HAND_KEY])
if player_blackjack == True:
# Player blackjack! If dealer has blackjack too, push
if dealer_blackjack == False:
# No dealer black jack, pay out for blackjack
self.bankroll = self.bankroll + self.player_hand[
self.BET_KEY] * self.rules.get_blackjack_payout()
player_won = BLACKJACK_RESULT
else:
# Next, test for dealer blackjack
if dealer_blackjack == True:
player_won = LOSS_RESULT
# Now, test for busts
elif self.player_hand[self.BUST_KEY] == True:
player_won = LOSS_RESULT
elif self.dealer_bust == True:
player_won = WIN_RESULT
else:
# Now, compare hands
if dealer_total == player_total:
if self.rules.does_push_goes_to_dealer() == True:
player_won = LOSS_RESULT
elif dealer_total > player_total:
player_won = LOSS_RESULT
else:
player_won = WIN_RESULT
# Payout
if player_won == WIN_RESULT:
self.bankroll = self.bankroll + self.player_hand[
self.BET_KEY]
elif player_won == LOSS_RESULT:
self.bankroll = self.bankroll - self.player_hand[
self.BET_KEY]
result.append(player_won)
if len(self.split_hands) > 0:
# Pop the next hand and make it the current hand
self.player_hand = self.split_hands.pop(0)
else:
break
return result
