Encyclopaedia of Chess Endgames
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Rd7+!
pv 1. Rd7+ Kb8 2. Rd8+ Kc7 3. Rxe8 Rc3 4. Kb4 Rxh3 5. Kc5 Rd3 6. Kc4 Rf3 7. Kd5 h3 8. Re7+ Kd8 9. Ke4 h2 10. Rh7
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