Encyclopaedia of Chess Endgames
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g4!
pv 1. g4 b2 2. Rb8+ Kc3 3. Rc8+ Kd2 4. Rd8+ Kc1 5. Rc8+ Kb1 6. g5 a2 7. g6 a1=Q 8. g7 Qa5+ 9. Ke6 Qa6+ 10. Kd7 Qd3+ 11. Ke8 Ka1 12. g8=Q b1=Q
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