Interference

I liked this problem a lot.

The first move is straightforward, and once you understand the reason why it needs to be played, the remainder slots into place.

The dominant theme is what Chesstempo terms Interference.

I have been focusing on this theme with a number of problem sets of increasing difficulty, although always a maximum of 2 moves, so its the theme that is identified and reinforced during the practice.


Initially, I really couldn't see how Black was supposed to prevent mate.

I took about a minute and a half to play the first move, and a further 3 to ensure that I was correct and really could win as Black !

There are a surprisingly high number of wrong moves, with the major culprit surely a result of mis-calculation.

Black to move after 31...Qg2