Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. Nc3 dxc4 4. e3 c5 5. Qa4+ Nc6 6. Nf3 Bd7 7. Qxc4 Nb4 8.
Qe2 Qa5 9. Bd2 Nc2+ 10. Kd1 Nxa1 11. Ne4 Ba4+ 12. b3 Bxb3+ *
Position (FEN): r3kb1r/pp2pppp/5n2/q1p5/3PN3/1b2PN2/P2BQPPP/n2K1B1R w kq - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1244
Best move: axb3