Chess puzzle (Advantage)
Opening: Indian_Defense, Indian_Defense_Other_variations
Moves: 1. d4 Nf6 2. e3 g6 3. Nd2 c5 4. dxc5 Bg7 5. a3 Qc7 6. b4 Ne4 7. Rb1 *
Position (FEN): rnb1k2r/ppqpppbp/6p1/2P5/1P2n3/P3P3/2PN1PPP/1RBQKBNR b Kkq - 2 7
Black to move.
Themes:  Opening  
Puzzle rating: 1430
Best move: Nc3