White to play and win. This position was shown to me and some other friends by GM Spyridon Skembris several years ago in a chess club.
Elkies, Noam D. Shahmat. 3rd HM, Czerniak memorial Shahmat, 1986.
For example, if 1.Kg7 Nxh6 2.Kxh6 Ke3! 3.c5 bxc5 4.b6 c4 5.b7 c3 6.b8=Q c2, now 7.Qf4+ is of course impossible because of 7...Kxf4 (this is why 2...Ke3 was better than 2...Kd3) and there is no skewer in h6 after 7.Qh2 because the white king is on h6. After 7.Kg5 Qd2 Black manages to draw because of the Bishop pawn on c2. So the idea is to free the h6 square by playing 1.h7!! Nf6+ 2.Kg7 Nxh7 3.Kxh7 Ke3 4.c5 bxc5 5.b6 c4 6.b7 c3 7.b8=Q c2 8.Qh2 c1=Q 9.Qh6+.
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