Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Kings_English_Variation
Moves: 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd2 O-O
8. e3 Bb7 9. Be2 Qe7 10. O-O c5 11. Nd5 Nxd5 12. cxd5 Bxd5 *
Position (FEN): r4rk1/p1ppqppp/8/2pb4/1b6/4P3/PP1BBPPP/R2Q1RK1 w - - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1014
Best move: Bxb4