Puzzle of the Day 7 February 2026 |  Find the best move

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