[Event ""]
[Site "ZSG_5259"]
[White ""]
[Black ""]
[Result ""]
[FEN "5kB1/3p1P2/7K/2Pp1P1P/p6p/4P3/7P/8 w - -"]

1. Kg6 a3 2. h6 a2 3. h7 a1=Q 4. h8=Q Qxh8 5. f6 h3 6. Kg5 d4 7. c6 dxc6 8. exd4 c5 9. d5 c4 10. d6 c3 11. d7 c2 12. d8=R#