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In chess, an X-ray or X-ray attack is a tactic where a piece indirectly controls a square from the other side of an intervening piece. Generally, a piece performing an X-ray either: effects a skewer, [1] [2] [3] indirectly attacks an enemy piece through another piece or pieces, or
Schematic representation: (1) Video camera; (2) Shroud; (3) Video monitor; (4) Clear glass or beam splitter; (5) Image from subject; (6) Image from video monitor. A teleprompter, also known as an autocue, is a display device that prompts the person speaking with an electronic visual text of a speech or script.
The Marshall Attack (also called the Marshall Gambit) is a chess opening characterised by the moves: . 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5. The Marshall Attack is an aggressive line in the Ruy Lopez, where Black sacrifices a pawn by playing d5 to gain initiative and a kingside attack.
Réti used the opening most famously to defeat José Raúl Capablanca, the reigning World Chess Champion, in a game at the 1924 New York tournament. [4] Alexander Alekhine played the Réti in the 1920s, but at that time almost any game that began with Nf3 and c4 by White was considered to be the Réti.
The Bongcloud Attack violates several principles of chess strategy by forgoing castling, impeding the movement of both the queen and the light-squared bishop, leaving the king exposed, and doing nothing to improve White's position. The lack of any redeeming feature, unlike some other dubious openings, puts the Bongcloud well outside of ...
The Austrian Attack is a chess opening characterised by the following moves: . 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4. The opening is a variation of the Pirc Defence.After 4...Bg7, typical continuations include the main line 5.Nf3 0-0, an immediate kingside attack with 5.e5 Nfd7, or a queenside counterattack with 5.Nf3 c5.
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The King's Fianchetto Opening or Benko's Opening [1] (also known as the Hungarian Opening, Barcza Opening, or Bilek Opening) is a chess opening characterized by the move: . 1.