def __init__(self,
variant,
initial_fen="",
chess960=False,
count_started=0,
disabled_fen=""):
if variant == "shogun":
sf.set_option("Protocol", "uci")
self.variant = variant
self.chess960 = chess960
self.sfen = False
self.show_promoted = variant in ("makruk", "makpong", "cambodian")
self.initial_fen = initial_fen if initial_fen else self.start_fen(
variant, chess960, disabled_fen)
self.move_stack = []
self.ply = 0
self.color = WHITE if self.initial_fen.split()[1] == "w" else BLACK
self.fen = self.initial_fen
self.manual_count = count_started != 0
self.count_started = count_started
if self.variant == "janggi":
self.notation = sf.NOTATION_JANGGI
elif self.variant in CATEGORIES["shogi"]:
self.notation = sf.NOTATION_SHOGI_HODGES_NUMBER
elif self.variant in (
"xiangqi",
"minixiangqi"): # XIANGQI_WXF can't handle Manchu banner!
self.notation = sf.NOTATION_XIANGQI_WXF
else:
self.notation = sf.NOTATION_SAN
def __init__(self, variant, initial_fen="", chess960=False):
if variant == "shogun":
sf.set_option("Protocol", "uci")
self.variant = variant
self.chess960 = chess960
self.sfen = False
self.show_promoted = variant == "makruk" or variant == "cambodian"
self.initial_fen = initial_fen if initial_fen else self.start_fen(
variant, chess960)
self.move_stack = []
self.color = WHITE if self.initial_fen.split()[1] == "w" else BLACK
self.fen = self.initial_fen
if chess960 and initial_fen == self.start_fen(variant):
self.chess960 = False
import logging
import random
import string
from game import MAX_PLY
try:
import pyffish as sf
sf.set_option("VariantPath", "variants.ini")
except ImportError:
print("No pyffish module installed!")
from broadcast import round_broadcast
from const import DRAW, STARTED, VARIANT_960_TO_PGN, INVALIDMOVE, VARIANTEND
from compress import decode_moves, R2C, C2R, V2C, C2V
from convert import mirror5, mirror9, usi2uci, zero2grand
from fairy import BLACK, STANDARD_FEN
from game import Game
from user import User
from settings import URI
log = logging.getLogger(__name__)
async def tv_game(db, app):
""" Get latest played game id """
if app["tv"] is not None:
return app["tv"]
else:
game_id = None
doc = await db.game.find_one({}, sort=[('$natural', -1)])
def test_set_option(self):
result = sf.set_option("UCI_Variant", "capablanca")
self.assertIsNone(result)
def runMatches(self,
variant: Variant,
matchCount=100,
debug=False,
variantPath: str = "") -> MatchData:
"""
:param variant: The variant we want to run matches of.
:param matchCount: The number of matches to run
:param debug: If true, print debug statements
:param variantPath: A path to the .ini file that contains the variant. If none is provided, one will be created.
:return:
"""
matchData = MatchData(variant)
if variantPath == "" and not variant.builtIn:
variantPath = "variant-{0}.ini".format(variant.name)
with open(variantPath, "w") as ini:
ini.write(variant.getFairyStockfishINI())
pyffish.set_option("VariantPath", variantPath)
for e in self.engines:
# Set the engines to the variant we are running.
e.setVariant(variant, variantPath)
# This is the root of our MCT
for matchNo in range(matchCount):
match = Match(variant, (matchNo + 1))
for e in self.engines:
e.newgame()
# Go through a MCTS opening
stop = False
curNode: MonteCarloTreeNode = matchData.MCTRoot
while not stop:
match.curNode = curNode
stop, curNode = curNode.selectBestChild()
if curNode is None:
# Checkmate or stalemate.
if pyffish.game_result(variant.name, variant.startingFEN,
match.moves) == 0:
# Stalemate
match.markDraw()
elif i % 2 == 0:
match.markBlackVictory()
else:
match.markWhiteVictory()
break
move = curNode.move
match.addMove(move)
# This is the loop that goes through the moves in any individual game
while True:
# Don't let too many moves happen!
if len(match.moves) >= 1000:
match.markDraw()
break
legal_moves = pyffish.legal_moves(variant.name,
variant.startingFEN,
match.moves)
if len(legal_moves) == 0 and pyffish.game_result(
variant.name, variant.startingFEN, match.moves) == 0:
match.markDraw()
break
elif pyffish.is_optional_game_end(variant.name,
variant.startingFEN,
match.moves)[0]:
match.markDraw()
break
active_engine = self.engines[len(match.moves) % 2]
inactive_engine = self.engines[(len(match.moves) + 1) % 2]
active_engine.setposition(match.moves)
moveDict = active_engine.bestmove()
bestMove: str = moveDict["move"]
ponder: str = moveDict["ponder"]
info: str = moveDict["info"]
match.addMove(bestMove)
if debug:
print("{0}, move {1}, info {2}".format(
len(match.moves), bestMove, info))
# If the engine found mate, then we can stop running through the steps.
# TODO: This needs to be replaced with calls to pyffish.
if 'mate' in moveDict.keys():
mateNum: int = moveDict['mate']
if mateNum in (1, 0):
# Somebody has checkmate, so find out who is the winner
if mateNum > 0:
winning = active_engine
else:
winning = inactive_engine
if winning == self.whiteEngine:
match.markWhiteVictory()
else:
match.markBlackVictory()
break
# Add the matches we just played to the match data.
matchData.addMatch(match)
print(match)
return matchData
