Chess puzzle (Crushing)
Opening: Kings_Indian_Attack, Kings_Indian_Attack_Other_variations
Moves: 1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. c4 d4 5. d3 h6 6. e3 Bb4+ 7. Nbd2 dxe3 8. fxe3
Bg4 9. a3 Ba5 10. b4 Nxb4 *
Position (FEN): r2qk1nr/ppp2pp1/7p/b3p3/1nP3b1/P2PPNP1/3N2BP/R1BQK2R w KQkq - 0 11
White to move.
Themes:  Middlegame  
Puzzle rating: 1497
Best move: axb4