Encyclopaedia of Chess Endgames
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Rf6+!
pv 1. Rf6+ Ke3 2. Rg6 Kf4 3. Kg7 g4 4. Kh6 g3 5. Kh5 g2 6. Rxg2 Kf3 7. Rg8 Kf2 8. Kh4 Ke1 9. Kh3 Kf1 10. Rg7 Ke2 11. Rg6
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