Chess puzzle (Equality)
Moves: 1. c4 e6 2. Nc3 Nc6 3. e3 Nf6 4. d4 d5 5. cxd5 Nxd5 6. Nf3 Bb4 7. Qc2 O-O 8.
Bd3 Qf6 9. Bxh7+ Kh8 10. Bd3 e5 11. a3 *
Position (FEN): r1b2r1k/ppp2pp1/2n2q2/3np3/1b1P4/P1NBPN2/1PQ2PPP/R1B1K2R b KQ - 0 11
Black to move.
Themes: Pin Opening  
Puzzle rating: 2171
Best move: exd4