Section B1 – Min Win
1.Bd5!
( 1.Kb2? missing the possibility to change bishops diagonal 1…Kg7! 2.Kc3 d5! 3.Bf5
( 3.Bc2 e5! 4.Bf5 e4! )
3…e6!! 4.Bc2 e5! 5.Bf5 e4 6.Kd4
( 6.Kd2!? Kg8 or other move on the 8th rank
( 6…Kf6? 7.Ke2!! Kg7 8.Ke3 Kf6 9.Kf4 )
7.Ke2 Kf8 8.Kf2 Kg8 9.Ke3 Kg7 10.Kf4 Kf6 )
6…Kf6 7.Ke3 Kg7 8.Kf4 Kf6 mutual zugzwang )
( Thematic try 1.Bc6?! Kg7 2.Be8 d5
( 2…e5 )
3.Kb2 e5 4.Kc3 e4!
( 4…Kf6? 5.Kd3 Kg7 6.Bf7 Kf6 7.Ke2!
( 7.Kd2 )
7…Kg7 8.Ke3 Kf6 9.Kf3 Kg7 10.Kg4 e4 11.Kf4 Kf6 12.Be8 )
5.Kd4 Kf6 6.Ke3 Kg7 7.Kf4 Kf6 mutual zugzwang 8.Bf7 Kg7 9.Kg5? e3 )
1…Kg7 2.Bf7 e5 3.Kb2 d5 4.Kc3 e4!
( 4…Kf6 5.Kd3
( 5.Kd2 )
( 5.Be8 )
5…e4+ 6.Ke3! Kg7 7.Kf4 Kf6 8.Be8 )
5.Kd4 Kf6 6.Ke3
( or switch moves 6.Be8 Kg7 7.Ke3 Kf6
( 7…Kf8 8.Bf7
( 8.Bd7 Kg7 9.Bf5 )
8…Kg7 9.Kf4 Kf6 10.Be8 )
8.Kf4 )
6…Kg7 7.Kf4
mutual zugzwang
7…Kf6 8.Be8! Kg7 9.Kg5!
( 9.Kf5 )
9…e3
( 9…Kf8 10.Kf6 )
10.Bb5 1-0