W

This position is from the opening stages of the game Alekhine-Weenink, Prague 1931. It is White to move. The textbooks gave .& c4 Alekhine's move takes into account the fact that Black is about to castle kingside and threatens e4 and e5 followed by .xh7 (whether Black castles or not). As a result, Black has no better move than h6, which means that a weakness in his castled position has already been brought about, and without any special expenditure in time by White, since & d3 is a...

Info

In this example Black is the attacker. He has already sacrificed his queen in order to reach this position, his intention being to mate White's king with a rook on hi. Doubling rooks is not a problem for Black in this position, but he is involved in a struggle for f2, which is important as a flight square for the white king. There are two methods of handling this the king can be allowed to get out and a mating net then woven round it, or the formation with the pawn at g3 and doubled rooks can...