Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Symmetrical_Variation
Moves: 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nxc6 bxc6 6. b3 *
Position (FEN): r1bqkbnr/p2p1ppp/2p1p3/8/2P5/1P6/P3PPPP/RNBQKB1R b KQkq - 0 6
Black to move.
Themes:  Opening  
Puzzle rating: 1884
Best move: Qf6