Encyclopaedia of Chess Endgames
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g6!
pv 1. g6 Rxf6+ 2. Kg5 Ke7 3. g7 Rf1 4. g8=N+ Kd6 5. Kh6 Ke6 6. Kg7 Rg1+ 7. Kf8 Rh1 8. Kg7 Ra1 9. Nh6 Ke7 10. Ng8+ Kd6 11. Kh8 Ke6 12. Kh7
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