A theme in problems where four black interferences are included by four possible moves of two black pawns. The two pawns, by the very conditions, must stand on their original squares (BCM 55/245).
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Quotes of the Day
In the 70s Karpov was a darling of the Politburo or the political elite. So Kramnik is now. Just like the old days. But at least Karpov, unlike him, played in and won qualifying matches.
Veselin Topalov
People knew about 110 years of chess history. Nowadays, nobody is able to tell you the name of the world champion of 2000.
Anatoly Karpov 2005
What’s been bothering me is not that I haven’t won tournaments, but that I haven’t played very well.
Magnus Carlsen 2017
When you see a good move, look for a better one
Emanuel Lasker
Politics is a team game, here it is necessary to compromise, to take into account the views of other people. As for Garry, he is quite a contentious, totalitarian person. But in general, I’m sorry that Kasparov switched to a role that does not match the scale of his personality.
Vladimir Kramnik 2015