Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 b6 3. d5 g6 4. c4 Bb7 5. b3 *
Position (FEN): rn1qkbnr/pb1ppp1p/1p4p1/2pP4/2P1P3/1P6/P4PPP/RNBQKBNR b KQkq - 0 5
Black to move.
Themes:  Opening  
Puzzle rating: 1505
Best move: Bg7