Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. d4 e6 2. e4 d5 3. e5 c5 4. dxc5 Bxc5 5. Nf3 Nc6 6. Nc3 Qb6 7. Qe2 Nge7 8. a3
a5 9. Na4 Qa7 10. Nxc5 Qxc5 11. Be3 d4 12. Bf4 b6 13. g3 Ba6 14. Qxa6 *
Position (FEN): r3k2r/4nppp/Qpn1p3/p1q1P3/3p1B2/P4NP1/1PP2P1P/R3KB1R b KQkq - 0 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 895
Best move: Rxa6