Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Kings_English_Variation
Moves: 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 Bb4 5. Qc2 d5 6. a3 Bd6 7. cxd5 cxd5 8.
Nxd5 O-O 9. Nxf6+ Qxf6 10. Rb1 Nc6 11. Nf3 Re8 12. O-O *
Position (FEN): r1b1r1k1/pp3ppp/2nb1q2/4p3/8/P4NP1/1PQPPPBP/1RB2RK1 b - - 5 12
Black to move.
Themes:  Opening  
Puzzle rating: 1781
Best move: e4