Questions tagged [solving]

For questions related to the solving, solvability, or proved solutions to chess and chess variants.

Filter by
Sorted by
Tagged with
9 votes
3 answers
7k views

Is there a mathematical theorem that you can use to win a chess endgame?

Have mathematicians created any theorem that determines the outcome of a endgame? If so, how could it be used to win a specific endgame?
user avatar
-3 votes
2 answers
139 views

What do you think will happen when chess gets solved? [closed]

When some ultra strong computer discovers the perfect game of chess, will chess as a game die?
user avatar
  • 9
1 vote
1 answer
107 views

Is it computationally feasible to find a board with proven outcome, reachable in 2 plies?

As is well known, neither the 0-ply game, the starting state, nor 1-ply games, all of white's first moves, have rigorously proven outcomes. Not even first moves for white considered very bad (1. g4) ...
user avatar
1 vote
1 answer
84 views

Knight Moves Around the Board [duplicate]

It is well known that a lone knight can move all around the board covering each square once and only once. Is this possible when the lone knight starts only on certain squares ? How many unique ...
user avatar
  • 407
2 votes
2 answers
257 views

What is the solution to single-check chess?

Single-check chess is a variant where the first person to give check wins. There is a website that claims it has been solved, with white winning in four moves; however, I cannot find the moves ...
user avatar
15 votes
6 answers
10k views

Is it possible Alpha Zero will eventually solve chess?

I googled this question and ended up here. From previous questions, it seems Alpha Zero has not solved chess yet and if it does it will take a very long time. Nonetheless, it may be possible one day. ...
user avatar
6 votes
1 answer
180 views

Is there a forced win in CastleChess?

Is there a forced win for White or Black in the chess variant CastleChess? The rules are explained in this post on an obscure blog named “Cinquante signes”, although it is originally from ...
user avatar
8 votes
1 answer
609 views

(Unbalanced) Double-Move chess - can white force a win?

I'm not talking about Marseillais chess (which is similar, but rules are added to reduce the advantage of the white), which is sometimes also called "balanced double-move chess". In a Double-...
user avatar
  • 302
5 votes
2 answers
387 views

How big is the advantage for white in the "back-rank-game"?

Consider a chess variant in which normal chess rules apply, with one exception. The player that is able to bring a piece or a pawn onto the opponent’s back rank, which would be the 8th rank for White ...
user avatar
  • 3,236
1 vote
1 answer
271 views

If there was a perfect play from both sides, but each player was allowed to do 2 moves every time, would white win?

Imagine a game where players are allowed 2 moves instead of one. If there were perfect play from both sides, would White win?
user avatar
  • 35
3 votes
3 answers
1k views

Can 5D chess be solved?

An interesting new variant of chess has emerged, showing that chess will always be fresh-5D chess. I mostly play the 5x5 version, but the positions do not rocket out of control like in the standard ...
user avatar
  • 601
5 votes
2 answers
2k views

About solving Atomic Chess

Is it possible to weakly solve Atomic Chess as a win for White? I've analysed a few lines good for White, but I am not sure about a general solution.
user avatar
30 votes
11 answers
49k views

Is chess a solved game?

Chess is a zero-sum game of limited decisions. The number of possible moves at any given point, and the number of possible states of the board, are all finite. Tic-Tac-Toe, is one of the easiest ...
user avatar
14 votes
2 answers
890 views

How to weakly solve Tiger Hunt, Atlantis Chess and Peasants' Revolt

Tiger Hunt is a chess variant where an entire army without a queen fight against a royal amazon (tiger, queen+knight). I believe it is certainly a win for the army just like Marahaja and Sepoys. I ...
user avatar
  • 385
8 votes
1 answer
1k views

How to solve atomic chess?

Since losing chess is almost solved, I believe that the next step towards solving chess should be atomic chess, which has less forced moves than losing chess but still a lot more than regular chess. ...
user avatar
  • 385
15 votes
3 answers
652 views

Is the result in mini-chess known with perfect play?

I do not know, if "mini-chess" is the official name of the game I am talking about. In mini-chess, the players only start with the pawns (In particular, there are no kings!) The players ...
user avatar
  • 3,236
10 votes
3 answers
2k views

Has loser chess been solved?

Loser chess has a benefit of sorts. There are many turns where moves are forced. So my question is, has it been solved? I'd say that the move tree is much smaller than chess. If not: How much would ...
user avatar
  • 3,315
5 votes
2 answers
1k views

As Black, what is the fastest way to beat Gnu Chess on easy mode?

This is more of a puzzle. As far as I can ascertain, Gnu-Chess on easy mode always plays the same movesm What is the least amount of moves required to beat Gnu Chess on easy mode? Just to clarify, you ...
user avatar
  • 645