Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Stonewall_Attack
Moves: 1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. Bd2 Nc6 5. a3 Bd6 6. Qe2 O-O 7. Nf3 e5 8. dxe5
Nxe5 9. Nxe5 Bxe5 10. Nc3 Re8 11. O-O d4 12. Na4 dxe3 13. Bxe3 Bxb2 *
Position (FEN): r1bqr1k1/ppp2ppp/5n2/8/N7/P2BB3/1bP1QPPP/R4RK1 w - - 0 14
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1255
Best move: Nxb2