Nº31 Jarl Henning Ulrichsen

Win

Jarl Henning Ulrichsen Norway)

wKd5,Ng3,Re6/bKf8,Pa3,b3,g6,g7

1.Ne4 a2 (the best defence) 2.Nd6 Kg8 3.Re8+ Kh7 4.Nf7 g5 5.Rh8+ Kg6 6.Ne5+ Kf6 7.Rf8+ Ke7 8.Ng6+ Kd7 9.Rf7+ Kc8 10.Ne7+ !
Not 10.Kc6?Kb8 and Black draws.

10…Kb7 (or 10…Kc7)
10…Kd8 11.Kd6 Ke8 12.Rf1 b2 13.Ng6 b1Q 14.Rf8#
10…Kb8 11.Nc6+ Kc8 12.Kd6 a1Q 13.Rc7#

11.Nc6+ Kb6
11…Ka8 12.Ra7#
11…Kc8 12.Kd6+-
11…Ka6 12.Kc5+-

12.Na7! b2
12…a1Q 13.Nc8+ Kb5 14.Rb7+ Ka4 15.Ra7+ Kb4 16.Rxa1 b2 17.Rg1 Kb3 18.Nd6+-

13.Nc8+ Kb5 14.Rb7+ Ka6 15.Kc6 Ka5 16.Kc5 Ka4 17.Kc4
Not 17.Rb4+?Ka3 followed by 18)… a1Q and Black draws.
Not 17.Nb6+ Kb3 and Black draws.

17…b1Q 18.Ra7#