Chess puzzle (Advantage)
Opening: Semi-Slav_Defense, Semi-Slav_Defense_Accelerated_Move_Order
Moves: 1. d4 d5 2. c4 c6 3. Nc3 e6 4. a3 Nf6 5. Nf3 h6 6. Qc2 Bd6 7. c5 Bc7 8. b4 Nbd7
9. b5 O-O 10. a4 Nh7 11. e3 Ndf6 12. Bd3 Bd7 13. O-O Kh8 14. Ba3 Bb8 15. Rfb1
Re8 16. Ne5 Kg8 17. Nxd7 Qxd7 18. bxc6 bxc6 19. e4 Qc7 *
Position (FEN): rb2r1k1/p1q2ppn/2p1pn1p/2Pp4/P2PP3/B1NB4/2Q2PPP/RR4K1 w - - 1 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1376
Best move: e5