Chess puzzle (Advantage)
Opening: Alekhine_Defense, Alekhine_Defense_Scandinavian_Variation
Moves: 1. e4 d5 2. exd5 Nf6 3. Nc3 c6 4. dxc6 Nxc6 5. Bb5 Bf5 6. d3 e6 7. Bg5 Be7 8.
Nf3 a6 9. Ba4 b5 10. Nxb5 *
Position (FEN): r2qk2r/4bppp/p1n1pn2/1N3bB1/B7/3P1N2/PPP2PPP/R2QK2R b KQkq - 0 10
Black to move.
Themes:  Middlegame  
Puzzle rating: 1774
Best move: axb5