Borislav, your problem is fantastic ! a lot of movement all over the board ! Even if the solver can…
Completely tested by Jacobi as follows: cond circe parrain stip phser-dia 9.5 forsyth rs1q1bsr/pppppppp/2bkB3/8/8/8/PP1PPPPP/RSBQKBSR stip phser-dia 0.5 forsyth rs1q1bsr/pppppppp/2b1k3/8/8/8/PP1PPPPP/RSBQKBSR in…
Today, this problem can be (partially) tested by Jacobi v0.7.4: cond take&make stip phser-*dia 12 forsyth Qsbq1bsr/1ppkpppp/8/3p4/1rP5/8/1P1PPPPP/RSB1KB1R stip phser-dia2 pieces…
As far as I know, Popeye is currently being developed on GitHub at https://github.com/thomas-maeder/popeye and that's where the latest version…
Good news. Time till July 6! Prize money too !
This problem is Jacobi+: cond #r stip dia 6.5 forsyth r1bqSb1r/ppppkppp/8/8/8/8/PPPP1PPP/R1B1KB1R Unique solution: 1.Sc3 Sc6 2.Sd5 Sd4 3.Sxe7 Sxe2 4.Sxg8…
Additional note: the mentionned jubilee tourney is for helpselfmates (2-4 moves) only, see https://www.dieschwalbe.de/kompositionsturniere.htm
The allure of irreversible neutral mating moves - a prime example for Franz' jubilee tourney!
Brilliant. So many things happen on the last move. The motive for the B2 move becomes only after the mating…
Personally I would avoid the bishop capture and remove it. It might be more interesting to capture a white pawn…