yann64andClaude Opus 5.5
de19014649
228 files were never archived; see docs/not-recovered.md in the extraction repo. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
89 lines
4.3 KiB
Markdown
89 lines
4.3 KiB
Markdown
---
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title: Video Chess
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tags:
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- board game
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- chess
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years:
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- '1979'
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params:
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image: /media/museum/software/atari_videochess_box_1_m.jpg
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specs:
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- label: year of release
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value: '1979'
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- label: companies
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value: Atari
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- label: type
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value: game
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- label: media
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value: cartridge
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- label: systems
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value: Atari 2600
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- label: number of players
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value: 1 player
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- label: staff
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value: Larry Wagner, Bob Whitehead
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screenshots:
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- title: ''
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subtitle: ''
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text: ''
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image: /media/museum/software/video%20chess%20%281978%29%20%28atari%29.png
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- title: ''
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subtitle: ''
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text: ''
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image: /media/museum/software/video%20chess%20%281978%29%20%28atari%29_1.png
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- title: ''
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subtitle: ''
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text: ''
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image: /media/museum/software/video%20chess%20%281978%29%20%28atari%29_3.png
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- title: ''
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subtitle: ''
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text: ''
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image: /media/museum/software/video%20chess%20%281978%29%20%28atari%29_4.png
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- title: ''
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subtitle: ''
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text: ''
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image: /media/museum/software/video%20chess%20%281978%29%20%28atari%29_5.png
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- title: display is flashing colours when the computer is thinking...
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subtitle: ''
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text: ''
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image: /media/museum/software/video%20chess%20%281978%29%20%28atari%29_2.png
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- title: cartridge - text label
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subtitle: ''
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text: ''
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image: /media/museum/software/atari_videochess_cart-text-label.jpg
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- title: cartridge - text label (PAL)
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subtitle: ''
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text: ''
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image: /media/museum/software/atari_videochess_cart-text-label-pal.jpg
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- title: cartridge - picture label
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subtitle: ''
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text: ''
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image: /media/museum/software/atari_videochess_cart-pix-label.jpg
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- title: box art
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subtitle: ''
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text: ''
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image: /media/museum/software/atari_videochess_box_1.jpg
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machines:
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- /museum/atari-vcs-2600
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company: /companies/atari
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oc_id: 649
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source:
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url: https://web.archive.org/web/20221204123002/http://www.old-computers.com/museum/software_detail.asp?id=649
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date: '2022-12-04'
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---
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from Wikipedia:
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"**Development**\
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The box art of the first production run of the Atari Video Computer System (or VCS, later known as the Atari 2600) featured a chess piece, even though Atari at the time was not contemplating designing a chess game. A man from Florida supposedly sued Atari over the box art; however, in an interview, Video Chess programmer Bob Whitehead denies that there was a lawsuit.
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At first, the idea of chess on the Atari 2600 was considered to be impossible due to the limitations of the technology at the time. For example, Atari had to overcome sprite limitations; the Atari 2600 was only capable of displaying three sprites in a row, or six (such as in Space Invaders) with the right programming. The eight-piece-wide standard chess board exceeded this limitation. To rectify this, Bob Whitehead developed a technique known as "Venetian blinds" where the position of each sprite changes every scan line; this allows for eight or more sprites in a row. Additionally, the concept of bank switching ROMs was invented for earlier prototypes of Video Chess that were larger than four kilobytes in size, however the released version ended up fitting the standard 4K size.
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**Gameplay**\
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A game of Video Chess in progress.The game is played from an overhead perspective, where you place an "x" over the piece that the player wishes to have moved and then on the spot where they wish to move the piece. If an attempted move is illegal, a warning sound is made and the move is not made. On the right switch, if you set the game to A, the computer plays as white; setting to B lets the player play as white. On the left switch, selecting A allows the board to be set as the player pleases, whereas selecting B sets up the board for a regulation chess game.
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There are eight different difficulty levels, with the computer-player taking a variable amount of time to determine its moves for each level. The approximate time length ranges between ten seconds (level 8, for beginners) to ten hours (level 7)!
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**Bugs**\
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A feature of the two most difficult levels (6 and 7) is that the computer-player's prospective moves are displayed while it is "thinking" -- in easier levels the screen is blanked to a solid, but changing, color. However, in these two levels the computer-player sometimes fails to return a piece to its original position, resulting in its making more than one move per turn."
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