Encyclopaedia of Chess Endgames
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Bd3!
pv 1. Bd3 Ka1 2. b7 Rh5 3. Kg8 Rg5+ 4. Kf7 Rd5 5. b8=Q Rxd3 6. Kg8 Ka2 7. Kh8 Ka1 8. Qe8 Kb1 9. Qe2 Rd8+ 10. Kh7 Kc1
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