<p><strong><font color="#008000" face="Verdana" size="2">1.h4?A zz. h5 a 2.Kf2 B (~ 3.Kg3 ~ 4.Ra1#) Kh2 3.Ra3 C zz. Kh1 4.Rh3#, 1...Kg1!, <br /> 1.Kf3? h5 a 2.Ra1+ D Kh2 3.h4 A zz. Kh3  4.Rh1#, 1...Kg1!, <br /> 1.Kf2! B(~2.Kg3 ~3.Ra1#) h5 a 2.h4 A (~3.Kg3 ~4.Ra1#) Kh2  3.Ra3 C  zz. Kh1  4.Rh3#, <br /> 1...Kh2  2.Ra3 C zz. h5 a 3.h4 A zz. Kh1 4.Rh3#, 2... Kh1 3.Kg3 ~ 4.Ra1# D.</font></strong></p> <p><strong><font color="#0000ff" face="Verdana" size="2">Model mates &amp; change of continuation in 3 phases &amp; change of functions  with a pseudo cycle of moves in a tanagra.</font></strong></p>