Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. e3 Bb4+ 6. Bd2 dxe3 7. fxe3 Bxd2+ 8.
Qxd2 Bd7 9. Nc3 Qe7 10. Nd5 Qd8 11. O-O-O Nge7 12. Bd3 Nxd5 13. cxd5 Ne7 14. d6
cxd6 15. exd6 Nc6 16. Kb1 a6 17. Qc3 O-O 18. h4 b5 19. Ng5 h6 20. Nf3 b4 21.
Qc2 a5 22. b3 a4 23. g4 *
Position (FEN): r2q1rk1/3b1pp1/2nP3p/8/pp4PP/1P1BPN2/P1Q5/1K1R3R b - - 0 23
Black to move.
Themes:  Middlegame  
Puzzle rating: 1629
Best move: axb3