Illegal Position Contest!
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EvinSung wrote:
#7870
It's illegal. After Black has made enough captures (at least six) to let the players have eight bishops on opposite colors, all the remaining black units will still be on the board at the end. That leaves Black with no unit to be uncaptured at c5 to legally uncheck the black king at the end.
Nice idea though!
Have been some time since I last posted. Hopefully this is illegal.
I'm guessing this is illegal
fjdkslagh wrote:
I'm not sure what you mean by 'proper', but a move is illegal if you can't do it. it's that simple
If you're not sure what I mean by 'proper', what is your point in telling us things we already know about illegal moves?
If you read the previous comments again carefully, you might come to understand what I mean by 'proper'.
On the topic of illegal moves, here's an interesting thing to think about. Let us assume black walked into check, and that white's next move is not a check but keeps black's king in check. What would the notation for that move be?
Leither123 wrote:
On the topic of illegal moves, here's an interesting thing to think about. Let us assume black walked into check, and that white's next move is not a check but keeps black's king in check. What would the notation for that move be?
That's the wrong question. This is not one illegal move but two in a row. Solving the issues for one illegal move is already complicated, for more it is practicly undoable.
bald55 wrote:
#7878
KieferSmith wrote:
#7883
Hopefully illegal
Dec 6, 2023
0
#7855
Leither123 wrote:
On the topic of illegal moves, here's an interesting thing to think about. Let us assume black walked into check, and that white's next move is not a check but keeps black's king in check. What would the notation for that move be?
Just like a normal check move, I suppose.
Leither123 wrote:
Hopefully illegal (#7886)
Sometimes, if you hope for something long enough, it comes true.
But not always.
For some reason I forgot that Pe6-e5 was a thing.
GoodKnightMate00 wrote:
#7890
I don't think that is illegal
Leither123 wrote:
For some reason I forgot that Pe6-e5 was a thing. (#7889)
Now it's illegal since Black is one tempo short at the end. Can the position be reached legally if one side is allowed to make one illegal move? Yes, if after 1. h4 Nc6 2. Rh3 Black is allowed to make the illegal move Pb7-b8, as show below. But is that move a proper illegal move? Who knows? Maybe Arisktotle.
I'm going to take a wild guess that this position is illegal:
I doubt enough pieces could be captured to let pawns promote on the correct color squares for 9 bishops of each side to be opposite colored. So this is my position, perfect for the Christmas Season as well.
illegal position