Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Bb5 Qb6 6. Ba4 cxd4 7. cxd4 Ne7 8. Nc3
Nf5 9. Be3 Nxe3 10. fxe3 Be7 11. Qb3 O-O 12. Qxb6 axb6 13. Nge2 Bb4 14. a3 *
Position (FEN): r1b2rk1/1p3ppp/1pn1p3/3pP3/Bb1P4/P1N1P3/1P2N1PP/R3K2R b KQ - 0 14
Black to move.
Themes: Pin Middlegame  
Puzzle rating: 1896
Best move: Rxa4