Chess puzzle (Advantage)
Opening: Nimzo-Indian_Defense, Nimzo-Indian_Defense_Classical_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Bd2 dxc4 6. e4 Nc6 7. Nf3 Nxd4 8.
Nxd4 Qxd4 9. O-O-O Bxc3 10. Bxc3 Qxe4 *
Position (FEN): r1b1k2r/ppp2ppp/4pn2/8/2p1q3/2B5/PPQ2PPP/2KR1B1R w kq - 0 11
White to move.
Themes:  Middlegame  
Puzzle rating: 1535
Best move: Rd8+