Chess puzzle (Crushing)
Opening: Slav_Defense, Slav_Defense_Three_Knights_Variation
Moves: 1. d4 Nf6 2. c4 d5 3. Nc3 c6 4. Nf3 Bg4 5. e3 Na6 6. h3 Bh5 7. g4 Bg6 8. a3 e6
9. Ne5 Be4 10. Nxe4 Nxe4 11. cxd5 cxd5 *
Position (FEN): r2qkb1r/pp3ppp/n3p3/3pN3/3Pn1P1/P3P2P/1P3P2/R1BQKB1R w KQkq - 0 12
White to move.
Themes:  Middlegame  
Puzzle rating: 1643
Best move: Qa4+