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A variant first described by Claude Shannon provides an argument about the game-theoretic value of chess: he proposes allowing the move of “pass”. In this variant, it is provable with a strategy stealing argument that the first player has at least a draw thus: if the first player has a winning move in the initial position, let him play it, else pass.
The book is intended for beginners and uses a programmed learning approach, [2] permitting readers to go back and retry each question if they give a wrong answer. Unusually for a modern chess book, it requires no knowledge of algebraic notation, using only diagrams with arrows and descriptions such as "rook-takes-pawn-check". [3]
Chess puzzles can also be regular positions from actual games, usually meant as tactical training positions. They can range from a simple "Mate in one" combination to a complex attack on the opponent's king. Solving tactical chess puzzles is a very common chess teaching technique. They are helpful in pattern recognition.
Download as PDF; Printable version; ... Chess puzzle; Cross-check (chess) ... World Championship of Chess Composition; World Chess Solving Championship; Z.
In chess problems, retrograde analysis is a technique employed to determine which moves were played leading up to a given position. While this technique is rarely needed for solving ordinary chess problems, there is a whole subgenre of chess problems in which it is an important part; such problems are known as retros.
A chess problem, also called a chess composition, is a puzzle created by the composer using chess pieces on a chessboard, 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.
The Puzzle King: Sam Loyd's Chess Problems and Selected Mathematical Puzzles (ISBN 1-886846-05-7): edited by Sid Pickard; Sam Loyd's Cyclopedia of 5000 Puzzles, Tricks and Conundrums with Answers ISBN 0-923891-78-1 – Complete 1914 book (public domain) scanned; The 8th Book of Tan (1903).