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Results tagged with chess
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user 35372
A puzzle related to chess, a two-player board game with white and black pieces of varying ranks.
3
votes
One-sided chess: Self stalemate revisted
Albert.Lang's answer is optimal.
Another possible solution: Score 3 - one capture, 2 promotions.
Also, here are the two best solutions I found that don't use black pieces. Both are illegal. This one …
- 2,188
4
votes
One-sided chess: Can you stalemate yourself?
No spoilers because this is an old question. Mainly exploring minimum and maximum bound.
Some trivial bounds: at least 8, for a start. If a column is empty, it allows movement of any piece from a neig …
- 2,188
1
vote
Three-player chess on a 7x7 board
The problem is that best play may be collaboration.
What would he play?
Now, what if move order is changed a bit to black, red, blue? This allows a solution.
So, we have the final solution to the r …
- 2,188
3
votes
7
votes
Mate in one with NO PIECES?
Well, it is obvious that:
Now,
Now, what we additionally learn from the checkmate:
That is exhausted for now, moving on.
To summarize figures up to now (including all resulting elimination …
- 2,188
3
votes
The Rook's Hassle
I was wrong, it is doable.
Solution, without spoilers.
It is easy enough to see that there are 4 black pawns under white ones. Therefore, there had to be 4 captures. White is missing a pawn, black is …
- 2,188
3
votes
Queens attacking exactly one queen
It is possible to have higher queen density with blocking pieces.
It may be possible to do even better, I am not too satisfied with the last 2 rows and columns of the solution above.
- 2,188
12
votes
Checkmate 30 kings with rooks
Solution with 12 rooks and 3 kings:
https://lichess.org/editor/K1k2Rkk/2kkkRk1/1kRRkkk1/2kkkkRR/K1kkRkk1/3kRkkk/1KRk1kRk/1R1kkkRk_w_-_-_0_1
There are some trivial modifications to add 2 checkmated bl …
- 2,188
4
votes
Can you find the Mate in 1?
First, the obvious solution:
Yeah, this doesn't prove the position is reachable in a game or what the previous moves were, but it does solve the problem as stated. "Proper" retrograde solution follo …
- 2,188
2
votes
Chess lead change
Well, fastest +10 for white from start is 3 of his moves - he cannot take any piece in his 1st move, then he can get pawn and queen with his dark square bishop.
Fastest +20 for black without promotion …
- 2,188
3
votes
Chess Construction Challenge #6: The One Move Royale
All solutions focus on particular pawn position... but there are others too:
This means
Like this: (capital letters for black, small ones for white):
I haven't analyzed if this is actually possible …
- 2,188