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Created page with "'''Home * Engines * Chess (John Krause)''' FILE:VIC-20-Chess.jpg|border|right|thumb|link=https://www.atarimagazines.com/compute/issue55/chess.php| VIC-20..."
'''[[Main Page|Home]] * [[Engines]] * Chess (John Krause)'''
[[FILE:VIC-20-Chess.jpg|border|right|thumb|link=https://www.atarimagazines.com/compute/issue55/chess.php| VIC-20 Chess <ref>[[John Krause]] ('''1984'''). ''[https://www.atarimagazines.com/compute/issue55/chess.php CHESS]''. [https://en.wikipedia.org/wiki/Compute! Compute!], [https://archive.org/stream/1984-12-compute-magazine/Compute_Issue_055_1984_Dec#page/n89/mode/2up Issue 055]</ref> ]]
'''Chess''',<br/>
a chess programs by [[John Krause]], written in [[6502]] machine language with versions for [[Commodore VIC-20]] (with at least 8 KiB expansion), [[Commodore 64]], [[Atari 8-bit]] and [[Apple II]],
published and described in the [https://en.wikipedia.org/wiki/Compute! Compute!] December 1984 issue. The program was printed in [[Basic]] syntax with machine code in [https://en.wikipedia.org/wiki/BASIC#Data_manipulation Data] statements,
along with leading read and [https://en.wikipedia.org/wiki/PEEK_and_POKE poke] loop, to read the data and store it as executable code in [[Memory|memory]].
The program applies [[Alpha-Beta|alpha-beta]] with a [[Depth|depth]] from two to six [[Ply|plies]] depending on level 1-5, and a [[Material|material]] only [[Evaluation|evaluation]]
with {1,3,3,5,9} [[Point Value|point values]].
=Publications=
* [[John Krause]] ('''1984'''). ''[https://www.atarimagazines.com/compute/issue55/chess.php CHESS]''. [https://en.wikipedia.org/wiki/Compute! Compute!], [https://archive.org/stream/1984-12-compute-magazine/Compute_Issue_055_1984_Dec#page/n89/mode/2up Issue 055]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:Open Source]]
[[Category:6502]]
[[Category:VIC-20]]
[[Category:C64]]
[[Category:Atari 8-bit]]
[[Category:Apple II]]
[[FILE:VIC-20-Chess.jpg|border|right|thumb|link=https://www.atarimagazines.com/compute/issue55/chess.php| VIC-20 Chess <ref>[[John Krause]] ('''1984'''). ''[https://www.atarimagazines.com/compute/issue55/chess.php CHESS]''. [https://en.wikipedia.org/wiki/Compute! Compute!], [https://archive.org/stream/1984-12-compute-magazine/Compute_Issue_055_1984_Dec#page/n89/mode/2up Issue 055]</ref> ]]
'''Chess''',<br/>
a chess programs by [[John Krause]], written in [[6502]] machine language with versions for [[Commodore VIC-20]] (with at least 8 KiB expansion), [[Commodore 64]], [[Atari 8-bit]] and [[Apple II]],
published and described in the [https://en.wikipedia.org/wiki/Compute! Compute!] December 1984 issue. The program was printed in [[Basic]] syntax with machine code in [https://en.wikipedia.org/wiki/BASIC#Data_manipulation Data] statements,
along with leading read and [https://en.wikipedia.org/wiki/PEEK_and_POKE poke] loop, to read the data and store it as executable code in [[Memory|memory]].
The program applies [[Alpha-Beta|alpha-beta]] with a [[Depth|depth]] from two to six [[Ply|plies]] depending on level 1-5, and a [[Material|material]] only [[Evaluation|evaluation]]
with {1,3,3,5,9} [[Point Value|point values]].
=Publications=
* [[John Krause]] ('''1984'''). ''[https://www.atarimagazines.com/compute/issue55/chess.php CHESS]''. [https://en.wikipedia.org/wiki/Compute! Compute!], [https://archive.org/stream/1984-12-compute-magazine/Compute_Issue_055_1984_Dec#page/n89/mode/2up Issue 055]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:Open Source]]
[[Category:6502]]
[[Category:VIC-20]]
[[Category:C64]]
[[Category:Atari 8-bit]]
[[Category:Apple II]]
