Discovery

This position did not occur over the board, but was suggested in the notes to Nisipeanu -- Georgiev, Bled 2002. The notes are in Chess Informant 86/344. The game itself was drawn, but the annotators suggested a line beginning at 20.Nd4 (instead of 20.Nf4 as played in the game) that appears to offer White prospects of advantage.

White to move

26.Nb5! threatens to penetrate Black's queenside with the knight, while also unleashing a discovered attack on the light-squared bishop, followed by the rook's penetration to the seventh rank. Black would have been forced to choose which invader he prefers to contend against. First, though, he may exchange some pawns on the kingside with hopes of activating his rook there.