def game_changed(self, model, ply):
if len(self.plot) + model.lowply > ply:
return
for i in range(len(self.plot) + model.lowply, ply):
if i in model.scores:
points = model.scores[i][1]
points = points * -1 if i % 2 == 1 else points
else:
points = leval.evaluateComplete(
model.getBoardAtPly(i).board, WHITE)
self.plot.addScore(points)
if model.status == DRAW:
points = 0
elif model.status == WHITEWON:
points = sys.maxsize
elif model.status == BLACKWON:
points = -sys.maxsize
else:
if ply in model.scores:
points = model.scores[ply][1]
points = points * -1 if ply % 2 == 1 else points
else:
points = leval.evaluateComplete(
model.getBoardAtPly(ply).board, WHITE)
self.plot.addScore(points)
# As shownChanged will normally be emitted just after game_changed -
# if we are viewing the latest position - we can do the selection change
# now, and thereby avoid redraw being called twice
if self.plot.selected == ply - model.lowply - 1:
self.plot.select(ply - model.lowply)
self.plot.redraw()
def game_changed(self, model, ply):
if len(self.plot) + model.lowply > ply:
return
for i in range(len(self.plot) + model.lowply, ply):
if i in model.scores:
points = model.scores[i][1]
else:
points = leval.evaluateComplete(
model.getBoardAtPly(i).board, WHITE)
self.plot.addScore(points)
if model.status == DRAW:
points = 0
elif model.status == WHITEWON:
points = sys.maxsize
elif model.status == BLACKWON:
points = -sys.maxsize
else:
if ply in model.scores:
points = model.scores[ply][1]
else:
points = leval.evaluateComplete(
model.getBoardAtPly(ply).board, WHITE)
self.plot.addScore(points)
# As shownChanged will normally be emitted just after game_changed -
# if we are viewing the latest position - we can do the selection change
# now, and thereby avoid redraw being called twice
if self.plot.selected == ply - model.lowply - 1:
self.plot.select(ply - model.lowply)
self.plot.redraw()
# Uncomment this to debug eval function
return
board = model.boards[-1].board
opboard = model.boards[-1].clone().board
opboard.setColor(1 - opboard.color)
material, phase = leval.evalMaterial(board)
if board.color == WHITE:
print("material", -material)
e1 = leval.evalKingTropism(board)
e2 = leval.evalKingTropism(opboard)
print("evaluation: %d + %d = %d " % (e1, e2, e1 + e2))
p1 = leval.evalPawnStructure(board, phase)
p2 = leval.evalPawnStructure(opboard, phase)
print("pawns: %d + %d = %d " % (p1, p2, p1 + p2))
print("knights:", -leval.evalKnights(board))
print("king:", -leval.evalKing(board, phase))
else:
print("material", material)
print("evaluation:", leval.evalKingTropism(board))
print("pawns:", leval.evalPawnStructure(board, phase))
print("pawns2:", leval.evalPawnStructure(opboard, phase))
print("pawns3:", leval.evalPawnStructure(board, phase) +
leval.evalPawnStructure(opboard, phase))
print("knights:", leval.evalKnights(board))
print("king:", leval.evalKing(board, phase))
print("----------------------")
def game_changed(self, model, ply):
if len(self.plot) + model.lowply > ply:
return
for i in range(len(self.plot) + model.lowply, ply):
if i in model.scores:
points = model.scores[i][1]
else:
points = leval.evaluateComplete(
model.getBoardAtPly(i).board, WHITE)
self.plot.addScore(points)
if model.status == DRAW:
points = 0
elif model.status == WHITEWON:
points = sys.maxsize
elif model.status == BLACKWON:
points = -sys.maxsize
else:
if ply in model.scores:
points = model.scores[ply][1]
else:
points = leval.evaluateComplete(
model.getBoardAtPly(ply).board, WHITE)
self.plot.addScore(points)
# As shownChanged will normally be emitted just after game_changed -
# if we are viewing the latest position - we can do the selection change
# now, and thereby avoid redraw being called twice
if self.plot.selected == ply - model.lowply - 1:
self.plot.select(ply - model.lowply)
self.plot.redraw()
# Uncomment this to debug eval function
return
board = model.boards[-1].board
opboard = model.boards[-1].clone().board
opboard.setColor(1 - opboard.color)
material, phase = leval.evalMaterial(board)
if board.color == WHITE:
print("material", -material)
e1 = leval.evalKingTropism(board)
e2 = leval.evalKingTropism(opboard)
print("evaluation: %d + %d = %d " % (e1, e2, e1 + e2))
p1 = leval.evalPawnStructure(board, phase)
p2 = leval.evalPawnStructure(opboard, phase)
print("pawns: %d + %d = %d " % (p1, p2, p1 + p2))
print("knights:", -leval.evalKnights(board))
print("king:", -leval.evalKing(board, phase))
else:
print("material", material)
print("evaluation:", leval.evalKingTropism(board))
print("pawns:", leval.evalPawnStructure(board, phase))
print("pawns2:", leval.evalPawnStructure(opboard, phase))
print("pawns3:", leval.evalPawnStructure(board, phase) +
leval.evalPawnStructure(opboard, phase))
print("knights:", leval.evalKnights(board))
print("king:", leval.evalKing(board, phase))
print("----------------------")
def game_changed(self, model, ply):
if len(self.plot) + model.lowply > ply:
return
for i in range(len(self.plot) + model.lowply, ply):
if i in model.scores:
points = model.scores[i][1]
points = points * -1 if i % 2 == 1 else points
else:
points = leval.evaluateComplete(
model.getBoardAtPly(i).board, WHITE)
self.plot.addScore(points)
if model.status == DRAW:
points = 0
elif model.status == WHITEWON:
points = sys.maxsize
elif model.status == BLACKWON:
points = -sys.maxsize
else:
if ply in model.scores:
points = model.scores[ply][1]
points = points * -1 if ply % 2 == 1 else points
else:
points = leval.evaluateComplete(
model.getBoardAtPly(ply).board, WHITE)
self.plot.addScore(points)
# As shownChanged will normally be emitted just after game_changed -
# if we are viewing the latest position - we can do the selection change
# now, and thereby avoid redraw being called twice
if self.plot.selected == ply - model.lowply - 1:
self.plot.select(ply - model.lowply)
self.plot.redraw()
def save(handle, model, position=None, flip=False):
"""Saves game to file in fen format"""
color = model.boards[-1].color
fen = model.boards[-1].asFen().split(" ")
# First four parts of fen are the same in epd
handle.write(" ".join(fen[:4]))
############################################################################
# Repetition count #
############################################################################
rep_count = model.boards[-1].board.repetitionCount()
############################################################################
# Centipawn evaluation #
############################################################################
if model.status == WHITEWON:
if color == WHITE:
ceval = 32766
else:
ceval = -32766
elif model.status == BLACKWON:
if color == WHITE:
ceval = -32766
else:
ceval = 32766
elif model.status == DRAW:
ceval = 0
else:
ceval = evaluateComplete(model.boards[-1].board,
model.boards[-1].color)
############################################################################
# Opcodes #
############################################################################
opcodes = (
("fmvn", fen[5]), # In fen full move number is the 6th field
("hmvc", fen[4]), # In fen halfmove clock is the 5th field
# Email and name of receiver and sender. We don't know the email.
("tcri", "?@?.? %s" % repr(model.players[color]).replace(";", "")),
("tcsi", "?@?.? %s" % repr(model.players[1 - color]).replace(";", "")),
("ce", ceval),
("rc", rep_count),
)
for key, value in opcodes:
handle.write(" %s %s;" % (key, value))
############################################################################
# Resign opcode #
############################################################################
if model.status in (WHITEWON, BLACKWON) and model.reason == WON_RESIGN:
handle.write(" resign;")
print("", file=handle)
handle.close()
def save(file, model, position=None):
"""Saves game to file in fen format"""
color = model.boards[-1].color
fen = model.boards[-1].asFen().split(" ")
# First four parts of fen are the same in epd
file.write(" ".join(fen[:4]))
############################################################################
# Repetition count #
############################################################################
rc = model.boards[-1].board.repetitionCount()
############################################################################
# Centipawn evaluation #
############################################################################
if model.status == WHITEWON:
if color == WHITE:
ce = 32766
else:
ce = -32766
elif model.status == BLACKWON:
if color == WHITE:
ce = -32766
else:
ce = 32766
elif model.status == DRAW:
ce = 0
else:
ce = evaluateComplete(model.boards[-1].board, model.boards[-1].color)
############################################################################
# Opcodes #
############################################################################
opcodes = (
("fmvn", fen[5]), # In fen full move number is the 6th field
("hmvc", fen[4]), # In fen halfmove clock is the 5th field
# Email and name of reciever and sender. We don't know the email.
("tcri", "?@?.? %s" % repr(model.players[color]).replace(";", "")),
("tcsi", "?@?.? %s" % repr(model.players[1 - color]).replace(";", "")),
("ce", ce),
("rc", rc),
)
for key, value in opcodes:
file.write(" %s %s;" % (key, value))
############################################################################
# Resign opcode #
############################################################################
if model.status in (WHITEWON, BLACKWON) and model.reason == WON_RESIGN:
file.write(" resign;")
print("", file=file)
file.close()
def test2(self):
"""Testing eval symmetry with startboard (BLACK)"""
score = evaluateComplete(self.board, color=BLACK)
self.assertEqual(score, 0)
def test1(self):
"""Testing eval symmetry with startboard (WHITE)"""
score = evaluateComplete(self.board, color=WHITE)
self.assertEqual(score, 0)
def test3(self):
"""Testing eval symmetry between colors with balanced=False"""
scorew = evaluateComplete(self.board, color=WHITE)
scoreb = evaluateComplete(self.board, color=BLACK)
self.assertEqual(scorew, scoreb)
def test2(self):
"""Testing eval symmetry with startboard (BLACK)"""
score = evaluateComplete(self.board, color=BLACK)
self.assertEqual(score, 0)
def test1(self):
"""Testing eval symmetry with startboard (WHITE)"""
score = evaluateComplete(self.board, color=WHITE)
self.assertEqual(score, 0)
def test3(self):
"""Testing eval symmetry between colors with balanced=False"""
scorew = evaluateComplete(self.board, color=WHITE)
scoreb = evaluateComplete(self.board, color=BLACK)
self.assertEqual(scorew, scoreb)
