S#2 (9+10) C+
Jorge Kapros
Polish Chess Federation-2014
1/3 Premio
1. Ag5 A? zugzwang
1. … Axb7 a 2. Th6+ C Txh6#
But 1. … Txb1 b!
1. Lf6 B? zugzwang
1. … Txb1 b 2. Th6+ C Lxh6#
But 1. … Lxb7 a!
1. Th6 C! zugzwang
1. … Lxb7 a 2. Lg5+ A Txh6#
1. … Txb1 b 2. Lf6+ B Lxh6#
1. … Lc1~ 2. Df1+ Txf1#
1. … Tc6~ 2. Lg2+ Lxg2#
Themes and comments:
Bannij: A?, b! 1.B?, a! 1.C!, a/b; 2.A/B
Reversal-1: 1.A? a; 2.C 1.C! a; 2.A (First time reversal A-C)
1.B? b; 2.C 1.C! b; 2.B (Second time reversal B-C)
Creation of a black battery: 1. … Lxb7 & 1. … Txb1
white/black Bristol (with capture): 2.Db1f1-Ta1xf1 & 2.Lb7g2-La8xg2