Tuesday, December 26, 2006

Most of you will remember the mate-in-one that Vladimir Kramnik missed when playing against Deep Fritz10. After the fact, many theories were put forward as to why such an oversight could happen at that level. One proposed reason was that there are knight positions in a mating net that do not raise a red flag in our minds when it occurs. As you might recall, DeepFritz's mate occurred in a queen and knight combination with the knight at the last rank, at the edge. Picking up on this theory, although at a much lower level of play, here I was playing black with some initiative but quite wary of my opponent's bishop pair viz-viz my knights pair. If my opponent saw my threat, he would have played 28. Kg1. However, not sensing my awkward-looking threat, he played 28. Rb1 instead. Of course, I followed up with my threat and played 28... Ne1. The bishop on g2 is lost unless white takes the knight on e1 with the rook. White resigned in a couple of moves even though mate was not threatened.


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