Three nice ways to reach the same back rank mate. It is amazing to see how all the troubles on…
Yes, that's practical simplification for this one particular case. However, a general principle should extend the orthodox rules, allowing a…
What I meant was that "Grasshopper Kings" can be put below the diagram and the problem can still be regarded…
The need of an 'additional constraint' suggests that “Grasshopper King” is actually NOT programmed. Do you need an 'additional constraint'…
The only difference between Grasshopper Kings and Royal Grasshoppers is that the former does not allow promotion to G. This…
Neal is the author and he says there are actually 2 (w+b) 'Grasshopper Kings' on the board. In chess, there…
Yes the problem is C- and it is perfectly normal on my opinion... But if you add "no promotion on…
We use the expression 'Royal Grasshopper' meaning a grasshopper with royal attributes, but this is just a convention that's taken…
I'm not convinced by the Supercirce example. The promoted pieces are not 'captured', they're still on the board and what's…
the stipulation actually means 'play 14 moves series to reach a s+1 position'.