Encyclopaedia of Chess Endgames
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Rg1!
pv 1. Rg1 d2 2. Rxf6 d1=Q 3. Rxd1 c2 4. Rd7+ Kg8 5. Rg6+ Kf8 6. Rg1 b1=Q 7. e5 c1=Q 8. Rxc1 Rxc1+
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