Chess puzzle (Advantage)
Opening: Nimzo-Indian_Defense, Nimzo-Indian_Defense_Leningrad_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 O-O 5. e3 c5 6. Ne2 h6 7. Bh4 g5 8. Bg3
Ne4 9. Bxb8 Rxb8 10. Qc2 Qa5 *
Position (FEN): 1rb2rk1/pp1p1p2/4p2p/q1p3p1/1bPPn3/2N1P3/PPQ1NPPP/R3KB1R w KQ - 2 11
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1267
Best move: Qxe4