Chess puzzle (Advantage)
Opening: Catalan_Opening, Catalan_Opening_Closed
Moves: 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Nc3 c6 8. a4
Nd5 9. e4 Nb6 10. a5 N6d7 11. Qe2 Bb4 12. Qxc4 Bxa5 13. Bg5 Qc7 14. Nb5 cxb5
15. Qxb5 Bb6 16. Rac1 a6 17. Qa4 Qd6 18. e5 Nxe5 *
Position (FEN): rnb2rk1/1p3ppp/pb1qp3/4n1B1/Q2P4/5NP1/1P3PBP/2R2RK1 w - - 0 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1560
Best move: dxe5