Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Soultanbeieff_Variation
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 e6 6. Bg5 h6 7. Bh4 Nbd7 8. e4
Qa5 9. Qc2 Bb4 10. Bxc4 Nxe4 11. Rc1 Ndf6 12. O-O O-O *
Position (FEN): r1b2rk1/pp3pp1/2p1pn1p/q7/PbBPn2B/2N2N2/1PQ2PPP/2R2RK1 w - - 4 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1541
Best move: Nxe4