bstephen.me.uk

1.Ra3!  [2.Rfxf3        (3.Kxg2       h1=Q#)
                  Sg any 3.almost any g2#]

1...Qh7  2.Sxf3         (3.Kxg2       h1=Q#)
                  Sg any 3.almost any g2#
1...Qxh6 2.Bxf3         (3.Kxg2       h1=Q#
                  Sg any 3.Be2,Bd1    g2#
1...Qe8  2.Raxf3        (3.Kxg2       h1=Q#)
                  Sg any 3.almost any g2#
1...Qb8  2.Qxf3         (3.Kxg2       h1=Q#)
                  Sg any 3.Q any      g2#
1...Kc8  2.Sxf3         (3.Kxg2       h1=Q#)
                  Sg any 3.           g2#
         2.Bxf3         (3.Kxg2       h1=Q#)
                  Sg any 3.Be2,Bd1    g2#
         2.Raxf3        (3.Kxg2       h1=Q#)
                  Sg any 3.almost any g2#
1...Rxf7 2.Sxf3         (3.Kxg2       h1=Q#)
                  Sg any 3.almost any g2#
         2.Bxf3         (3.Kxg2       h1=Q#)
                  Se3    3.Be4        Rf1#
                         3.Bd5        Rf1#
                         3.Bxb7       Rf1#
                         3.Be2        g2#
                         3.Bd1        g2#
                                      Rf1#
                  Sf4    3.Be2        g2#
                         3.Bd1        g2#
                  Qb2    3.Be4        Rf1#
                         3.Bd5        Rf1#
                         3.Bxb7       Rf1#
                         3.Bd1        Rf1#
                  Se1    3.Be4        Rf1#
                         3.Bd5        Rf1#
                         3.Bxb7       Rf1#
                         3.Be2        g2#
                         3.Bd1        g2#
                                      Rf1#
         2.Raxf3        (3.Kxg2       h1=Q#)
                  Sg~    3.almost any g2#

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