Chess puzzle (Equality)
Moves: 1. g4 d5 2. Bg2 e5 3. h4 Bxg4 4. c4 c6 5. cxd5 cxd5 6. Qb3 Nf6 7. Nc3 d4 *
Position (FEN): rn1qkb1r/pp3ppp/5n2/4p3/3p2bP/1QN5/PP1PPPB1/R1B1K1NR w KQkq - 0 8
White to move.
Themes:  Opening  
Puzzle rating: 1818
Best move: Qxb7