Chess puzzle (Equality)
Moves: 1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. Nf3 g6 5. Nc3 Bg7 6. Nxd5 Qxd5 7. Bf4 Bg4 8.
e3 Nc6 9. Rc1 O-O 10. a3 Rad8 11. Bc4 Qa5+ 12. Rc3 Nxd4 *
Position (FEN): 3r1rk1/ppp1ppbp/6p1/q7/2Bn1Bb1/P1R1PN2/1P3PPP/3QK2R w K - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1421
Best move: exd4