Encyclopaedia of Chess Endgames
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Ka5!
pv 1. Ka5 Kc4 2. Ka4 c2 3. Ka3 Kc3 4. Rg1 a5 5. Rg3+ Kd2 6. Rg2+ Kc3 7. Rg1 a4 8. Kxa4 Kd2 9. Rg2+ Kd1 10. Rg1+ Kd2
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