1981 I believe! I just haven't seen much work done with this in the directmate....
It is quite unlikely that Alsatian could be reasonably programmed in the foreseeable future as it per definition implies ability…
This theme tourney is for change of defence motives OR defensive errors.
It's surely a cycle that doesn't turn round 😉
Pierre, cycle needs the links which connect 1st point with 2nd, 2nd with 3rd, ... so on to the last…
Thank you, seetharaman! The black pieces having the same role in each solution, I think I can call that a…
Very nice problem. But where is the 'cycle'? Three different black pieces sacrifice to the white king - very neat!…
The self-blocks alone are enough to determine which piece should unpin Rd3 to prepare a battery. That all mates use…
No. 406. The solving process. One of the conditions is PatrolChess – so a White piece has to be created.…
Very rich thematic complex and nice play which is typical for the author! The black self-blocks and square vacation moves…