def check(hand):
if hand.in_zone() and hand.hcp >= 10:
if hand.sut_length(1) == 6 and hand.sut_qual(1) >= 6:
return Bid(1, 1)
return None
elif not hand.in_zone() and hand.hcp >= 8:
if hand.sut_length(1) == 6:
return Bid.parse('2d')
else:
return None
else:
return None
def check(hand):
if hand.hcp < 20 or hand.hcp > 21:
return None
if not hand.is_balanced() and not hand.is_marmic():
return None
return Bid.parse('2nt')
def check(hand):
if hand.hcp < 15 or hand.hcp > 17:
return None
if not hand.is_balanced():
return None
return Bid.parse('1nt')
def check(hand):
if hand.hcp < 22:
return None
else:
return Bid.parse('2c')
