def state_trappedBishops (model, ply, phase):
""" Check for bishops trapped at A2/H2/A7/H7 """
board = model.getBoardAtPly(ply).board
oldboard = model.getBoardAtPly(ply-1).board
opcolor = board.color
color = 1-opcolor
move = model.getMoveAtPly(ply-1).move
tcord = TCORD(move)
# Only a pawn is able to trap a bishop
if board.arBoard[tcord] != PAWN:
return
if tcord == B3:
cord = A2
elif tcord == G3:
cord = H2
elif tcord == B6:
cord = A7
elif tcord == G6:
cord = H7
else:
return
s = leval.evalTrappedBishops (board, opcolor)
olds = leval.evalTrappedBishops (oldboard, opcolor)
# We have got more points -> We have trapped a bishop
if s > olds:
yield 300/phase, _("%(opcolor)s has a new trapped bishop on %(cord)s") % {
'opcolor': reprColor[opcolor], 'cord': reprCord[cord]}
def state_trappedBishops(model, ply, phase):
""" Check for bishops trapped at A2/H2/A7/H7 """
board = model.getBoardAtPly(ply).board
oldboard = model.getBoardAtPly(ply - 1).board
opcolor = board.color
color = 1 - opcolor
move = model.getMoveAtPly(ply - 1).move
tcord = TCORD(move)
# Only a pawn is able to trap a bishop
if board.arBoard[tcord] != PAWN:
return
if tcord == B3:
cord = A2
elif tcord == G3:
cord = H2
elif tcord == B6:
cord = A7
elif tcord == G6:
cord = H7
else:
return
s = leval.evalTrappedBishops(board, opcolor, phase)
olds = leval.evalTrappedBishops(oldboard, opcolor, phase)
# We have got more points -> We have trapped a bishop
if s > olds:
yield 300 / phase, _(
"%(opcolor)s has a new trapped bishop on %(cord)s") % {
'opcolor': reprColor[opcolor],
'cord': reprCord[cord]
}
def state_trappedBishops (model, phase):
""" Check for bishops trapped at A2/H2/A7/H7 """
board = model.boards[-1].board
oldboard = model.boards[-2].board
opcolor = board.color
color = 1-opcolor
move = model.moves[-1].move
tcord = TCORD(move)
# Only a pawn is able to trap a bishop
if board.arBoard[tcord] != PAWN:
return
if tcord == B3:
cord = A2
elif tcord == G3:
cord = H2
elif tcord == B6:
cord = A7
elif tcord == G6:
cord = H7
else:
return
s = leval.evalTrappedBishops (board)
oldboard.setColor(1-oldboard.color)
olds = leval.evalTrappedBishops (oldboard)
oldboard.setColor(1-oldboard.color)
# We have got more points -> We have trapped a bishop
if s > olds:
yield 300/phase, _("%s has a new trapped bishop on %s") % \
(reprColor[opcolor], reprCord[cord])
