Encyclopaedia of Chess Endgames
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Bf6!
pv 1. Bf6 Rb8+ 2. Kc5 Ra8 3. Kc6 Kh7 4. Kd7 Ra7+ 5. Ke8 Kg8 6. Kd8 Ra8+ 7. Kd7 Ra7+ 8. Kc8 Ra8+ 9. Kc7 Kh7 10. Kb6
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