White to play and draw (hard)
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Show moves
1.c4! b4! ( 1...bxc4 2.Kd2 and the B is trapped ) 2.Kd1 ( 2.Kd3 Kc5 3.Kd2 also draws ) 2...Kc5 3.Kd2! { Zugswang } 3...Kxc4 ( 3...Ba2 4.c3 b3 5.Kc1 Kxc4 6.Kb2= ) 4.Kc1 Ba2 5.Kd2‼ ( 5.Kb2? Bb3 6.cxb3+ Kd3−+ ) 5...Kc5 6.c3 b3 7.Kc1 Kc4 8.Kb2 Kd3 9.c4 Kxc4 10.e4 Kd4 11.e5 Kxe5 12.Ka1 { The BK can't support the advance of the P without giving stalemate. } ½-½
Games PGN
Created over 4 years ago. 
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "1/2-1/2"]
[FEN "8/8/3k4/1p6/8/2P1P3/2P1K3/1b6 w - - 0 1"]
[SetUp "1"]

1.c4 $1 b4 $1 ( 1...bxc4 2.Kd2 { and the B is trapped } ) 2.Kd1 ( 2.Kd3 Kc5
3.Kd2 { also draws } ) 2...Kc5 3.Kd2 $1 { Zugswang } 3...Kxc4 ( 3...Ba2 4.c3
b3 5.Kc1 Kxc4 6.Kb2 $10 ) 4.Kc1 Ba2 5.Kd2 $3 ( 5.Kb2 $2 Bb3 6.cxb3+ Kd3 $19 )
5...Kc5 6.c3 b3 7.Kc1 Kc4 8.Kb2 Kd3 9.c4 Kxc4 10.e4 Kd4 11.e5 Kxe5 12.Ka1
{ The BK can't support the advance of the P without giving stalemate. }
1/2-1/2