With a move that was looking for trouble 1... Nc6? Black put the ponned bishop en prise. However, after 2Rf8+! he had to capitulate. The attraction of the king onto f8 allows the pinned bishop to deal a deadly blow (2... Kxf8 3 Bxg7+). A discovered check following an attractive sacrifice leads to a decisive material advantage.1....Nc62.Qa62.Rf72.Rf8+Kxf83.Bxg7+Kxg74.Qxd52.Bxg7Qxd3