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A chess problem, also called a chess composition, is a puzzle set by the composer using chess pieces on a chess board, which presents the solver with a particular task.For instance, a position may be given with the instruction that White is to move first, and checkmate Black in two moves against any possible defence.
Although the two sides cooperate, all moves must be legal according to the rules of chess. The example problem illustrated is a helpmate in 8 (or h#8) by Z. Maslar, published in Die Schwalbe in 1981. The solution is (recall that in helpmate solutions, Black's move is given first): 1... Kf3 2. Kd3 Bb3 3. Kc3 Ke4+ 4. Kd2 Kd4 5. Ke2 Kc3 6. Nb4 Kb2 ...
The first solution has the White pawn moving forward one square, then, after its rebirth on c2, capturing to the right; the second solution has the pawn first moving two squares and then capturing to the left. Problems like this, showing an Albino with fewer than four variations, are very unusual.
While a chess puzzle is any puzzle involving aspects of chess, a chess problem is an arranged position with a specific task to be fulfilled, such as White mates in n moves. Chess problems are also known as chess compositions because the positions are specially devised, rather than arising from actual games. Chess problems are divided into ...
The eight queens puzzle is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other; thus, a solution requires that no two queens share the same row, column, or diagonal. There are 92 solutions. The problem was first posed in the mid-19th century.
Print/export Download as PDF; Printable version; In other projects ... Pages in category "Mathematical chess problems" The following 18 pages are in this category ...
Loyd had a friend who was willing to wager that he could always find the piece which delivered the principal mate of a chess problem. Loyd composed this problem as a joke and bet his friend dinner that he could not pick a piece that didn't give mate in the main line (his friend immediately identified the pawn on b2 as being the least likely to deliver mate), and when the problem was published ...
A seriesmover is a chess problem in which one side makes a series of legal moves without reply at the end of which the other side makes a single move, giving checkmate or yielding stalemate, depending on the precise stipulation. [1] Checks cannot be given except on the last move of the series. There are various types of seriesmover: