Chess puzzle (Equality)
Moves: 1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Qd5 Qb4+ 5. Nbd2 Qa4 6. b3 Qg4 7. e3 *
Position (FEN): r1b1kbnr/pppp1ppp/2n5/3QP3/6q1/1P2PN2/P1PN1PPP/R1B1KB1R b KQkq - 0 7
Black to move.
Themes:  Opening  
Puzzle rating: 1796
Best move: Nb4