Chess puzzle (Advantage)
Moves: 1. Nf3 Nf6 2. d3 d5 3. e4 dxe4 4. Ng5 h6 5. Nxe4 Nxe4 6. dxe4 Qxd1+ 7. Kxd1 Nc6
8. Bf4 Bg4+ 9. f3 O-O-O+ 10. Bd3 e5 11. Bg3 Be6 12. a3 f6 13. Nc3 Nd4 14. Ne2
Nb3 15. cxb3 Rxd3+ 16. Kc2 Rxb3 17. Nc3 Rb6 18. Rac1 Be7 19. f4 Bb3+ 20. Kb1
exf4 21. Bxf4 g5 22. Bg3 c6 23. e5 f5 24. Rhe1 Be6 25. Bf2 Rb3 26. Ka1 b6 27.
Na4 Bxa3 28. Rxc6+ Kd7 29. Rec1 b5 *
Position (FEN): 7r/p2k4/2R1b2p/1p2Ppp1/N7/br6/1P3BPP/K1R5 w - - 0 30
White to move.
Themes:  Middlegame  
Puzzle rating: 2370
Best move: bxa3