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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.
In chess, a skewer is an attack upon two pieces in a line and is similar to a pin.A skewer is the opposite of a pin; the difference is that in a skewer, the more valuable piece is the one under direct attack and the less valuable piece is behind it.
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 Brains in Bahrain was an eight-game chess match between human chess grandmaster, and then World Champion, Vladimir Kramnik and the computer program Deep Fritz 7, held in October 2002. The match ended in a tie 4–4, with two wins for each participant and four draws , worth half a point each.
The Durkin Opening (also known as the Durkin Attack or the Sodium Attack) is a rarely played chess opening that consists of the following move: 1. Na3. The Durkin Opening is named for Robert T. Durkin (1923–2014) of New Jersey. The name "Sodium Attack" comes from the algebraic notation 1.Na3, as Na is the chemical symbol for the element sodium.
The Stonewall Attack is a chess opening characterized by White playing pawns to d4 and e3, bishop to d3, knight to d2, and then completing the Stonewall structure by playing pawns to c3 and f4. This set-up is usually achieved by a 1.d4 move order but transposition is also possible via Bird's Opening , 1.f4.
In chess and other chess-like games, a tempo (from Italian: tempo, lit. 'time') is a "turn" or single move (a half-move or ply made either by White or Black). When a player achieves a desired result in one fewer move, the player is said to "gain a tempo"; conversely, when a player takes one more move than necessary, the player is said to "lose a tempo".