Chess puzzle (Advantage)
Opening: Kings_Indian_Attack, Kings_Indian_Attack_Double_Fianchetto
Moves: 1. Nf3 d5 2. g3 g6 3. Bg2 Nf6 4. d3 c5 5. Bg5 Bg7 6. O-O O-O 7. Nc3 Nc6 8. e4
dxe4 9. Bxf6 *
Position (FEN): r1bq1rk1/pp2ppbp/2n2Bp1/2p5/4p3/2NP1NP1/PPP2PBP/R2Q1RK1 b - - 0 9
Black to move.
Themes:  Opening  
Puzzle rating: 1497
Best move: exf3