Encyclopaedia of Chess Endgames
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g7!
pv 1. g7 Rc8 2. Be6 Ra8+ 3. Kb2 Kg6 4. g8=Q+ Rxg8 5. Bxg8 Kf5 6. Kc3 Kg4 7. Be6+ Kxg3 8. Bf7 Kf2 9. Kd4 Kf1 10. Ke5 Ke1
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