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A solved game is a game whose outcome (win, lose or draw) can be correctly predicted from any position, assuming that both players play perfectly.This concept is usually applied to abstract strategy games, and especially to games with full information and no element of chance; solving such a game may use combinatorial game theory or computer assistance.
The second player now faces the same situation owing to the mirror symmetry of the initial position: if the first player had no winning move in the first instance, the second player has none now. Therefore, the second player can at best draw, and the first player can at least draw, so a perfect game results in the first player winning or ...
Losing chess [a] is one of the most popular chess variants. [1] [2] The objective of each player is to lose all of their pieces or be stalemated, that is, a misère version. In some variations, a player may also win by checkmating or by being checkmated. Losing chess was weakly solved in 2016 by Mark Watkins as a win for White, beginning with 1.e3.
Puzzle 1: Black to play and win. The solution is 1...Qf2!, attacking the f1-rook; 2.Rxf2 would incur a back-rank checkmate after 2...Rd1+. If 2.Rg1, 2...Bc5 sets up a battery targetting g1, where White can stop checkmate only by moving the c1-bishop to connect rooks. Since the only two squares available to the bishop are controlled by the black ...
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By 2005, tablebases for all positions having up to six pieces, including the two kings, had been created. [1] By August 2012, tablebases had solved chess for almost every position with up to seven pieces, with certain subclasses omitted due to their assumed triviality; [ 2 ] [ 3 ] these omitted positions were included by August 2018. [ 4 ]
According to the New York Times, Goliath Games, a toy company that sells several varieties of chess sets, reported that sales are up more than 1,000 percent compared with this time last year.
Flying chess: Played on a board of 8×8×2, giving a total of 128 cells. Only certain pieces can move to and from the additional level. [96] Parallel Worlds Chess: A 3D variant using three boards, each player commands two armies, capturing either enemy king wins. The middle board is a sort of "twilight zone" obeying its own rules.