oops!I did not notice it. I should have used a chess set!
9 white pawns?
Here is a version of 1163.1. Remove the rook, add a wP on b5 and shift d-pawn to d4. -Ser-==31…
upgrade !
The W1 wK moves, which protect the mating piece from capture, are very nice!
This problem brings into light an interesting question about equivalence of various fairy elements and their combinations. Totally same content…
Thank you, Michel. Hope this new example will tempt composers to try this condition!
Karol, thank you for dedication
The problem is out of computer-testing range, but it is still possible to check that there is only one way…
509.5 still cooked by 1.d3 (Tempo) d5 2.d4 Bh3 3.gxh3-c8=Q e6 4.Qxb8-a6 Sh6 5.Bxh6-f5 Ba3 6.bxa3-f8=Q Kxf8-b4 7.e3 exf5-d7 8.Bc4…