Nº11 Alexander Zhukov & Iván Belonozhko

Win

Alexander Zhukov & Iván Belonozhko (Russia)

wKf7,Nd6,g5,Bh8,Pg6,h7/bKh6,Qb4,Ba4,c1

1. Ne6 Be8+!, bishop’s sacrifice
1… Qxd6 2. Bg7+ Kh5 3. h8=Q+ Kg4 4. Bf6 Qd7+ 5. Be7+-

2. Nxe8 Bb2
2… Qb7+ 3. N8c7 Bb2 4. Bxb2 Qxb2 5. Nd5 Qb7+ 6. Nec7 Qc8 7. Ne7 Qh8 8. Ng8+ Kg5 9. Ne6++-

3. Bg7+!
3. Bxb2? Qxb2 4. g7 (4. N8g7 Qf6+! queen sacrifice 5. Kg8 Kxg6 6. h8=N+ Kh6 7. Nf7+ Qxf7+! 8. Kxf7=) 4… Qxg7+! 5. N8xg7 Kxh7=

3… Bxg7 4. N8xg7 Qe7!, queen sacrifice
4… Qb7+ 5. Kg8 Kxg6 6. Nf8+ Kf6 7. h8=Q Qf7+ 8. Kh7 Kg5 9. Ne6++-
4… Qb8 5. Nf5++-

5. Kxe7
5. Kg8? Kxg6 6. h8=N+ (6. h8=Q? Qf7#) 6… Kf6=

5… Kxg6 6. h8=N+!
6. h8=Q/R? stalemat
6. h8=B? Kh7!=

6… Kh7 7. Nf7!+-

The final position is unique in that there has never been a weak promotion of a pawn in the material ratio of the pieces king + two knights + pawn against the king.