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In chess, a tactic is a sequence of moves that each makes one or more immediate threats – a check, a material threat, a checkmating sequence threat, or the threat of another tactic – that culminates in the opponent's being unable to respond to all of the threats without making some kind of concession.
Chess initial position. The game of chess is commonly divided into three phases: the opening, middlegame, and endgame. [1] There is a large body of theory regarding how the game should be played in each of these phases, especially the opening and endgame.
The oldest recorded game in chess history is a 10th-century game played between a historian from Baghdad and a pupil. [ 11 ] [ non-tertiary source needed ] A manuscript explaining the rules of the game, called "Matikan-i-chatrang" (the book of chess) in Middle Persian or Pahlavi, still exists. [ 33 ]
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Adams later wrote Simple Chess, which he revised several times; How to Play Chess; and Absolute Chess. Ultimately giving up on the Bishop's Opening, he switched to the Vienna Game , claiming a win with White after 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Nc6 6.Nb5, a sharp line that has since been dubbed the Frankenstein–Dracula Variation .
The Göttingen manuscript is the earliest known work devoted entirely to modern chess.It is a Latin text of 33 pages held at the University of Göttingen.A quarto parchment manuscript of 33 pages, ff. 1–15a are a discussion of twelve chess openings, f. 16 is blank, and ff. 17–31b are a selection of thirty chess problems, one on each page with a diagram and solution.
The recorded history of chess goes ... Portable Game Notation (PGN) is a text-based file format ... and for other early chess servers such as Free Internet Chess ...