1234 Modern Endgames Studies
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f7!
pv 1. f7 Qa3+ 2. Kb8 Qb2+ 3. Rb4 Qf2 4. Rh4+ Kg2 5. Rh7 e5 6. Kc8 e4 7. Kd8 e3 8. Rg7+ Kf1 9. Kxe7
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