No, you are right: square e7 cannot be occupied (a fact I had forgotten). I sent a new correction to…
No, it isn't! In fact it works both ways. Feel free to confuse your own brain by checking why I…
Second additional cook must be 1.- Kf2! ("wasting" 1 Invisible) 2.Bb8 Qe4! 3.Bh2 Ixh2 (the 2nd one) 4.Ixh2 Qh4(8?)#, sorry!…
For me the additional move, albeit paradoxically heading for the opposite corner, does not surpass the iconic paradox of the…
I wonder if the definition of Invisibles given here is exact. > ... or may capture a visible unit ...…
Cook: 1.- Kc1 2.I-- Kc2 3.Bb8 Ra1 4.Ixa1 Ixb8#
The author shows that the beauty is not only in problems in multi-solutions. Superb !
Very nice ! Congratulations to the authors ! ?
Cooked by Jacobi 0.7.5: 1.a4 e5 2.a5 Qf6 3.a6 Qf3 4.axb7 [+bPb5] Sa6 5.gxf3 [+bQg4] Bxb7 [+wPb8=S] 6.Sc6 dxc6 [+wSe7]…
Tested by Jacobi 0.7.5