Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. d4 g6 2. e4 Bg7 3. Bb5 c6 4. Ba4 Qa5+ 5. b4 *
Position (FEN): rnb1k1nr/pp1pppbp/2p3p1/q7/BP1PP3/8/P1P2PPP/RNBQK1NR b KQkq - 0 5
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 2135
Best move: Qxa4