Chess puzzle (Equality)
Moves: 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. h3 d6 6. Be2 c5 7. c3 b6 8. O-O Ba6
9. Bxa6 Nxa6 10. Nbd2 h6 11. Bh2 Qc8 12. a4 Qb7 13. Qc2 Rac8 14. Qb3 Rfe8 15.
Rfd1 d5 16. Be5 e6 17. Rdc1 Nd7 18. Bxg7 Kxg7 19. Qa3 e5 20. b4 e4 21. Ne1 c4
22. Nc2 Nab8 23. Kf1 a6 24. Ke2 Nf8 25. Rg1 Ne6 26. Raf1 f5 27. Kd1 f4 28. Kc1
Qe7 29. g3 f3 30. Kb2 Nc7 31. Rh1 Nc6 32. Qa1 Na7 33. Qa3 Rb8 34. Rb1 Qd7 35.
Ka1 a5 36. b5 Ncxb5 *
Position (FEN): 1r2r3/n2q2k1/1p4pp/pn1p4/P1pPp3/Q1P1PpPP/2NN1P2/KR5R w - - 0 37
White to move.
Themes:  Middlegame  
Puzzle rating: 1454
Best move: axb5