/usr/share/pyshared/pybridge/bridge/scoring.py is in pybridge-common 0.3.0-7.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | # PyBridge -- online contract bridge made easy.
# Copyright (C) 2004-2007 PyBridge Project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
from symbols import Strain
# There are undoubtedly many minor variations of the score values.
# In the future, score values may be stored in separate XML format files.
def scoreDuplicate(result):
"""Scoring algorithm for duplicate bridge.
This code includes the scoring values from:
http://www.ebu.co.uk/lawsandethics/the_laws/chapter8.asp
"""
score = 0
isDoubled = result['contract']['doubleBy']
isRedoubled = result['contract']['redoubleBy']
isVulnerable = result['vulnerable']
contractLevel = result['contract']['bid'].level.index + 1
tricksMade = result['tricksMade']
tricksRequired = result['contract']['bid'].level.index + 7
trumpSuit = result['contract']['bid'].strain
if tricksMade >= tricksRequired:
# Contract fulfilled.
# Calculate scores for tricks bid and made.
if trumpSuit in (Strain.Club, Strain.Diamond):
# Clubs and Diamonds score 20 for each odd trick.
score += contractLevel * 20
else:
# Hearts, Spades and NT score 30 for each odd trick.
score += contractLevel * 30
if trumpSuit is Strain.NoTrump:
score += 10 # For NT, add a 10 point bonus.
# Calculate scores for doubles.
if isDoubled:
score *= 2 # Multiply score by 2 for each isDoubled odd trick.
elif isRedoubled:
score *= 4 # Multiply score by 4 for each isRedoubled odd trick.
# Calculate premium scores.
if score >= 100:
if isVulnerable:
score += 500 # Game, vulnerable.
else:
# Game, not vulnerable.
score += 300 # Game, not vulnerable.
if tricksRequired == 13:
if isVulnerable:
score += 1500 # Grand slam, vulnerable.
else:
score += 1000 # Grand slam, not vulnerable.
elif tricksRequired == 12:
if isVulnerable:
score += 750 # Small slam, vulnerable.
else:
score += 500 # Small slam, not vulnerable.
else:
score += 50 # Any part score.
# Calculate "for the insult" bonuses.
if isDoubled:
score += 50
elif isRedoubled:
score += 100
# Calculate scores for overtricks.
overTricks = tricksMade - tricksRequired
if isDoubled:
if isVulnerable:
# Score 200 for each doubled and vulnerable overtrick.
score += overTricks * 200
else:
# Score 100 for each doubled and not vulnerable overtrick.
score += overTricks * 100
elif isRedoubled:
if isVulnerable:
# Score 400 for each redoubled and vulnerable overtrick.
score += overTricks * 400
else:
score += overTricks * 200
else:
if trumpSuit in (Strain.Club, Strain.Diamond):
# Clubs and Diamonds score 20 for each undoubled overtrick.
score += overTricks * 20
else:
# Hearts, Spades and NT score 30 for each undoubled overtrick.
score += overTricks * 30
else:
# Contract not fulfilled.
underTricks = tricksRequired - tricksMade
if isDoubled:
if isVulnerable:
# Score 200 for the first doubled and vulnerable undertrick.
# Score 300 for all other undertricks.
score -= 200 + (underTricks - 1) * 300
else:
# Score 100 for the first doubled and non-vulnerable undertrick.
# Score 200 for all other undertricks.
# Score 100 extra for third and greater undertricks.
score -= 100 + (underTricks - 1) * 200
if underTricks > 3:
score -= (underTricks - 3) * 100
elif isRedoubled:
if isVulnerable:
score -= 400 + (underTricks - 1) * 600
else:
score -= 200 + (underTricks - 1) * 400
if underTricks > 3:
score -= (underTricks - 3) * 200
else:
if isVulnerable:
score -= 100 + (underTricks - 1) * 100
else:
score -= 50 + (underTricks - 1) * 50
return score
def scoreRubber(result):
pass # TODO: implement.
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