1234 Modern Endgames Studies
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Ra1+!
pv 1. Ra1+ Kb8 2. Rb1+ Kc8 3. Ra1 Kd8 4. Kd6 Ke8 5. Ke6 Kf8 6. Kf6 Kg8 7. Ra8+ Kh7 8. Ra7+ Kh6 9. Ra8 Kh5 10. Kf5 Kh4 11. Kf4 Kh5 12. Kf5
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