https://www.chessprogramming.org/index.php?title=LogiChess&feed=atom&action=history
LogiChess - Revision history
2024-03-28T16:21:05Z
Revision history for this page on the wiki
MediaWiki 1.30.1
https://www.chessprogramming.org/index.php?title=LogiChess&diff=22996&oldid=prev
GerdIsenberg at 15:05, 23 December 2020
2020-12-23T15:05:48Z
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<td colspan="2" style="background-color: white; color:black; text-align: center;">Revision as of 15:05, 23 December 2020</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* [[Enterprise]]</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* [[Enterprise]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* [[SciSys Explorer]]</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* [[SciSys Explorer]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">=Forum Posts=</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* [https://hiarcs.net/forums/viewtopic.php?t=7004 Kaare Danielsen Comparisons] by [[The Spacious Mind]], [[Computer Chess Forums|Hiarcs Forum]], January 14, 2015</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=External Links=</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=External Links=</div></td></tr>
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GerdIsenberg
https://www.chessprogramming.org/index.php?title=LogiChess&diff=22993&oldid=prev
GerdIsenberg at 14:35, 23 December 2020
2020-12-23T14:35:01Z
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<td colspan="2" style="background-color: white; color:black; text-align: center;">Revision as of 14:35, 23 December 2020</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l6" >Line 6:</td>
<td colspan="2" class="diff-lineno">Line 6:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=SciSys & CXG=</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=SciSys & CXG=</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>As 4K [[Dedicated Chess Computers|dedicated chess computer]], LogiChess was ported to the [[6800]] instruction set compatible [https://en.wikipedia.org/wiki/Hitachi_Ltd. Hitachi] [[6800#6301|HD6301V1]] and Newcrest 6301 8-bit controllers. It was sold in approximately 200.000 units <ref>[http://www.danielsen.com/resume.shtml Resume for Kaare Danielsen]</ref> from [[Saitek|SciSys]] as [[SciSys Explorer]], [[SciSys Explorer#Concord|SciSys Concord II]] and [[SciSys Explorer#Companion|SciSys Companion II]], and from [https://en.wikipedia.org/wiki/RadioShack RadioShack] as ''Tandy 1650'' <ref>[http://www.schach-computer.info/wiki/index.php/Tandy_1650 Tandy 1650] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>. Another 4K <ref>[https://www.schach-computer.info/wiki/index.php/6301V 6301V] from [https://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> branch was realized for [[Newcrest Technology]], for the [[CXG Sensor Computachess#III|CXG Computachess III]] in 1984 <ref>[http://www.schach-computer.info/wiki/index.php/CXG_Computachess_III CXG Computachess III] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)</ref>, as well inside the [[CXG Star Chess]] of 1985 <ref>[http://www.schach-computer.info/wiki/index.php/CXG_Star_Chess CXG Star Chess] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> <ref>[http://www.schach-computer.info/wiki/index.php/Danielsen,_Kaare Danielsen, Kaare] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>. According to its author, LogiChess is still the strongest 4K chess computer in the world <ref>[http://www.danielsen.com/resume.shtml Resume for Kaare Danielsen]</ref>.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>As 4K [[Dedicated Chess Computers|dedicated chess computer]] <ins class="diffchange diffchange-inline">program</ins>, LogiChess was ported to the [[6800]] instruction set compatible [https://en.wikipedia.org/wiki/Hitachi_Ltd. Hitachi] [[6800#6301|HD6301V1]] and Newcrest 6301 8-bit controllers. It was sold in approximately 200.000 units <ref>[http://www.danielsen.com/resume.shtml Resume for Kaare Danielsen]</ref> from [[Saitek|SciSys]] as [[SciSys Explorer]], [[SciSys Explorer#Concord|SciSys Concord II]] and [[SciSys Explorer#Companion|SciSys Companion II]], and from [https://en.wikipedia.org/wiki/RadioShack RadioShack] as ''Tandy 1650'' <ref>[http://www.schach-computer.info/wiki/index.php/Tandy_1650 Tandy 1650] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>. Another 4K <ref>[https://www.schach-computer.info/wiki/index.php/6301V 6301V] from [https://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> branch was realized for [[Newcrest Technology]], for the [[CXG Sensor Computachess#III|CXG Computachess III]] in 1984 <ref>[http://www.schach-computer.info/wiki/index.php/CXG_Computachess_III CXG Computachess III] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)</ref>, as well inside the [[CXG Star Chess]] of 1985 <ref>[http://www.schach-computer.info/wiki/index.php/CXG_Star_Chess CXG Star Chess] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> <ref>[http://www.schach-computer.info/wiki/index.php/Danielsen,_Kaare Danielsen, Kaare] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>. According to its author, LogiChess is still the strongest 4K chess computer in the world <ref>[http://www.danielsen.com/resume.shtml Resume for Kaare Danielsen]</ref>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=Lexibook=</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=Lexibook=</div></td></tr>
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GerdIsenberg
https://www.chessprogramming.org/index.php?title=LogiChess&diff=22992&oldid=prev
GerdIsenberg at 14:34, 23 December 2020
2020-12-23T14:34:02Z
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<td colspan="2" style="background-color: white; color:black; text-align: center;">Revision as of 14:34, 23 December 2020</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l2" >Line 2:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>'''LogiChess''', <br/></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>'''LogiChess''', <br/></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>the first chess program by [[Kaare Danielsen]] developed in 1981 for <del class="diffchange diffchange-inline">an </del>[[<del class="diffchange diffchange-inline">Intel</del>]] <del class="diffchange diffchange-inline">[https://en.wikipedia.org/wiki/Intel_MCS-48 8048] compatible 80C50 [https://en.wikipedia.org/wiki/CMOS CMOS] [https://en.wikipedia.org/wiki/Microcontroller microcontroller] with 4 KiB internal [[Memory#ROM|EPROM]] and only 256 byte internal [[Memory#RAM|RAM]], and a [https://en.wikipedia.org/wiki/Clock_rate clock frequency] of 3.6 resp. 7.2 MHz</del>. It competed at the [[European MCC 1981|2nd European MCC 1981]] (3rd place) <ref>Logichess by the 17-year-old Danish schoolboy [[Kaare Danielsen]] was 3rd, from</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>the first chess program by [[Kaare Danielsen]] developed in 1981 for <ins class="diffchange diffchange-inline">the </ins>[[<ins class="diffchange diffchange-inline">Z80</ins>]] <ins class="diffchange diffchange-inline">processor</ins>. It competed at the [[European MCC 1981|2nd European MCC 1981]] (3rd place) <ref>Logichess by the 17-year-old Danish schoolboy [[Kaare Danielsen]] was 3rd, from</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[http://www.chesscomputeruk.com/html/chess_computers_-_the_uk_story.html Chess Computers - The UK Story] from [http://www.chesscomputeruk.com/index.html Chess Computer UK] by [[Mike Watters]]</ref> and two [[World Microcomputer Chess Championship|World Microcomputer Chess Championships]] in [[WMCCC 1981|1981]] and [[WMCCC 1983|1983]], at times supported by [[Hartvig Ekner]]  <ref>[[Frederic Friedel]] ('''1984'''). ''Move from the East''. Report of the WMCCC 1983, [[Personal Computer World]], January 1984</ref>.  </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[http://www.chesscomputeruk.com/html/chess_computers_-_the_uk_story.html Chess Computers - The UK Story] from [http://www.chesscomputeruk.com/index.html Chess Computer UK] by [[Mike Watters]]</ref> and two [[World Microcomputer Chess Championship|World Microcomputer Chess Championships]] in [[WMCCC 1981|1981]] and [[WMCCC 1983|1983]], at times supported by [[Hartvig Ekner]]  <ref>[[Frederic Friedel]] ('''1984'''). ''Move from the East''. Report of the WMCCC 1983, [[Personal Computer World]], January 1984</ref>.  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=SciSys & CXG=</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=SciSys & CXG=</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>As [[Dedicated Chess Computers|dedicated chess computer]], LogiChess was sold in approximately 200.000 units <ref>[http://www.danielsen.com/resume.shtml Resume for Kaare Danielsen]</ref> from [[Saitek|SciSys]] as [[SciSys Explorer]], [[SciSys Explorer#Concord|SciSys Concord II]] and [[SciSys Explorer#Companion|SciSys Companion II]], and from [https://en.wikipedia.org/wiki/RadioShack RadioShack] as ''Tandy 1650'' <ref>[http://www.schach-computer.info/wiki/index.php/Tandy_1650 Tandy 1650] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>. Another 4K <del class="diffchange diffchange-inline">branch was realized for [[Newcrest Technology]], for the [[6800]] instruction set compatible [https://en.wikipedia.org/wiki/Hitachi_Ltd. Hitachi] [[6800#6301|HD6301V1]] 8-bit controller for the [[CXG Sensor Computachess#III|CXG Computachess III]] in 1984 </del><ref>[<del class="diffchange diffchange-inline">http</del>://www.schach-computer.info/wiki/index.php/<del class="diffchange diffchange-inline">CXG_Computachess_III CXG Computachess III</del>] from [<del class="diffchange diffchange-inline">http</del>://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] <del class="diffchange diffchange-inline">(German)</del></ref>, <del class="diffchange diffchange-inline"> as well </del>the <del class="diffchange diffchange-inline">Newcrest 6301V </del><ref>[http://www.schach-computer.info/wiki/index.php/<del class="diffchange diffchange-inline">6301V 6301V</del>] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> inside the [[CXG Star Chess]] of 1985 <ref>[http://www.schach-computer.info/wiki/index.php/CXG_Star_Chess CXG Star Chess] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> <ref>[http://www.schach-computer.info/wiki/index.php/Danielsen,_Kaare Danielsen, Kaare] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>. According to its author, LogiChess is still the strongest 4K chess computer in the world <ref>[http://www.danielsen.com/resume.shtml Resume for Kaare Danielsen]</ref>.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>As <ins class="diffchange diffchange-inline">4K </ins>[[Dedicated Chess Computers|dedicated chess computer]], LogiChess <ins class="diffchange diffchange-inline">was ported to the [[6800]] instruction set compatible [https://en.wikipedia.org/wiki/Hitachi_Ltd. Hitachi] [[6800#6301|HD6301V1]] and Newcrest 6301 8-bit controllers. It </ins>was sold in approximately 200.000 units <ref>[http://www.danielsen.com/resume.shtml Resume for Kaare Danielsen]</ref> from [[Saitek|SciSys]] as [[SciSys Explorer]], [[SciSys Explorer#Concord|SciSys Concord II]] and [[SciSys Explorer#Companion|SciSys Companion II]], and from [https://en.wikipedia.org/wiki/RadioShack RadioShack] as ''Tandy 1650'' <ref>[http://www.schach-computer.info/wiki/index.php/Tandy_1650 Tandy 1650] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>. Another 4K <ref>[<ins class="diffchange diffchange-inline">https</ins>://www.schach-computer.info/wiki/index.php/<ins class="diffchange diffchange-inline">6301V 6301V</ins>] from [<ins class="diffchange diffchange-inline">https</ins>://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> <ins class="diffchange diffchange-inline">branch was realized for [[Newcrest Technology]]</ins>, <ins class="diffchange diffchange-inline">for </ins>the <ins class="diffchange diffchange-inline">[[CXG Sensor Computachess#III|CXG Computachess III]] in 1984 </ins><ref>[http://www.schach-computer.info/wiki/index.php/<ins class="diffchange diffchange-inline">CXG_Computachess_III CXG Computachess III</ins>] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] <ins class="diffchange diffchange-inline">(German)</ins></ref><ins class="diffchange diffchange-inline">, as well </ins>inside the [[CXG Star Chess]] of 1985 <ref>[http://www.schach-computer.info/wiki/index.php/CXG_Star_Chess CXG Star Chess] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> <ref>[http://www.schach-computer.info/wiki/index.php/Danielsen,_Kaare Danielsen, Kaare] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>. According to its author, LogiChess is still the strongest 4K chess computer in the world <ref>[http://www.danielsen.com/resume.shtml Resume for Kaare Danielsen]</ref>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=Lexibook=</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=Lexibook=</div></td></tr>
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<td colspan="2" class="diff-lineno">Line 45:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=References=  </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=References=  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><references /></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><references /></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>'''[[Engines|Up one level]]'''</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>'''[[Engines|Up one level]]'''</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Chess Suffix]]</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Chess Suffix]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Z80]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:6800]]</ins></div></td></tr>
</table>
GerdIsenberg
https://www.chessprogramming.org/index.php?title=LogiChess&diff=19401&oldid=prev
GerdIsenberg at 20:41, 4 June 2020
2020-06-04T20:41:20Z
<p></p>
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<td colspan="2" style="background-color: white; color:black; text-align: center;">Revision as of 20:41, 4 June 2020</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>'''LogiChess''', <br/></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>'''LogiChess''', <br/></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>the first chess program by [[Kaare Danielsen]] developed in 1981 for an [[Intel]] [https://en.wikipedia.org/wiki/Intel_MCS-48 8048] compatible 80C50 [https://en.wikipedia.org/wiki/CMOS CMOS] [https://en.wikipedia.org/wiki/Microcontroller microcontroller] with 4 <del class="diffchange diffchange-inline">K Kibi </del>internal [[Memory#ROM|EPROM]] and only 256 byte internal [[Memory#RAM|RAM]], and a [https://en.wikipedia.org/wiki/Clock_rate clock frequency] of 3.6 resp. 7.2 MHz. It competed at the [[European MCC 1981|2nd European MCC 1981]] (3rd place) <ref>Logichess by the 17-year-old Danish schoolboy [[Kaare Danielsen]] was 3rd, from</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>the first chess program by [[Kaare Danielsen]] developed in 1981 for an [[Intel]] [https://en.wikipedia.org/wiki/Intel_MCS-48 8048] compatible 80C50 [https://en.wikipedia.org/wiki/CMOS CMOS] [https://en.wikipedia.org/wiki/Microcontroller microcontroller] with 4 <ins class="diffchange diffchange-inline">KiB </ins>internal [[Memory#ROM|EPROM]] and only 256 byte internal [[Memory#RAM|RAM]], and a [https://en.wikipedia.org/wiki/Clock_rate clock frequency] of 3.6 resp. 7.2 MHz. It competed at the [[European MCC 1981|2nd European MCC 1981]] (3rd place) <ref>Logichess by the 17-year-old Danish schoolboy [[Kaare Danielsen]] was 3rd, from</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[http://www.chesscomputeruk.com/html/chess_computers_-_the_uk_story.html Chess Computers - The UK Story] from [http://www.chesscomputeruk.com/index.html Chess Computer UK] by [[Mike Watters]]</ref> and two [[World Microcomputer Chess Championship|World Microcomputer Chess Championships]] in [[WMCCC 1981|1981]] and [[WMCCC 1983|1983]], at times supported by [[Hartvig Ekner]]  <ref>[[Frederic Friedel]] ('''1984'''). ''Move from the East''. Report of the WMCCC 1983, [[Personal Computer World]], January 1984</ref>.  </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[http://www.chesscomputeruk.com/html/chess_computers_-_the_uk_story.html Chess Computers - The UK Story] from [http://www.chesscomputeruk.com/index.html Chess Computer UK] by [[Mike Watters]]</ref> and two [[World Microcomputer Chess Championship|World Microcomputer Chess Championships]] in [[WMCCC 1981|1981]] and [[WMCCC 1983|1983]], at times supported by [[Hartvig Ekner]]  <ref>[[Frederic Friedel]] ('''1984'''). ''Move from the East''. Report of the WMCCC 1983, [[Personal Computer World]], January 1984</ref>.  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
</table>
GerdIsenberg
https://www.chessprogramming.org/index.php?title=LogiChess&diff=9893&oldid=prev
GerdIsenberg at 19:15, 12 January 2019
2019-01-12T19:15:44Z
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>'''[[Engines|Up one level]]'''</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>'''[[Engines|Up one level]]'''</div></td></tr>
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</table>
GerdIsenberg
https://www.chessprogramming.org/index.php?title=LogiChess&diff=2942&oldid=prev
GerdIsenberg: Created page with "'''Home * Engines * LogiChess''' '''LogiChess''', <br/> the first chess program by Kaare Danielsen developed in 1981 for an Intel [https://en.wikipe..."
2018-05-28T13:27:13Z
<p>Created page with "'''<a href="/Main_Page" title="Main Page">Home</a> * <a href="/Engines" title="Engines">Engines</a> * LogiChess''' '''LogiChess''', <br/> the first chess program by <a href="/Kaare_Danielsen" title="Kaare Danielsen">Kaare Danielsen</a> developed in 1981 for an <a href="/Intel" title="Intel">Intel</a> [https://en.wikipe..."</p>
<p><b>New page</b></p><div>'''[[Main Page|Home]] * [[Engines]] * LogiChess'''<br />
<br />
'''LogiChess''', <br/><br />
the first chess program by [[Kaare Danielsen]] developed in 1981 for an [[Intel]] [https://en.wikipedia.org/wiki/Intel_MCS-48 8048] compatible 80C50 [https://en.wikipedia.org/wiki/CMOS CMOS] [https://en.wikipedia.org/wiki/Microcontroller microcontroller] with 4 K Kibi internal [[Memory#ROM|EPROM]] and only 256 byte internal [[Memory#RAM|RAM]], and a [https://en.wikipedia.org/wiki/Clock_rate clock frequency] of 3.6 resp. 7.2 MHz. It competed at the [[European MCC 1981|2nd European MCC 1981]] (3rd place) <ref>Logichess by the 17-year-old Danish schoolboy [[Kaare Danielsen]] was 3rd, from<br />
[http://www.chesscomputeruk.com/html/chess_computers_-_the_uk_story.html Chess Computers - The UK Story] from [http://www.chesscomputeruk.com/index.html Chess Computer UK] by [[Mike Watters]]</ref> and two [[World Microcomputer Chess Championship|World Microcomputer Chess Championships]] in [[WMCCC 1981|1981]] and [[WMCCC 1983|1983]], at times supported by [[Hartvig Ekner]] <ref>[[Frederic Friedel]] ('''1984'''). ''Move from the East''. Report of the WMCCC 1983, [[Personal Computer World]], January 1984</ref>. <br />
<br />
=SciSys & CXG=<br />
As [[Dedicated Chess Computers|dedicated chess computer]], LogiChess was sold in approximately 200.000 units <ref>[http://www.danielsen.com/resume.shtml Resume for Kaare Danielsen]</ref> from [[Saitek|SciSys]] as [[SciSys Explorer]], [[SciSys Explorer#Concord|SciSys Concord II]] and [[SciSys Explorer#Companion|SciSys Companion II]], and from [https://en.wikipedia.org/wiki/RadioShack RadioShack] as ''Tandy 1650'' <ref>[http://www.schach-computer.info/wiki/index.php/Tandy_1650 Tandy 1650] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>. Another 4K branch was realized for [[Newcrest Technology]], for the [[6800]] instruction set compatible [https://en.wikipedia.org/wiki/Hitachi_Ltd. Hitachi] [[6800#6301|HD6301V1]] 8-bit controller for the [[CXG Sensor Computachess#III|CXG Computachess III]] in 1984 <ref>[http://www.schach-computer.info/wiki/index.php/CXG_Computachess_III CXG Computachess III] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)</ref>, as well the Newcrest 6301V <ref>[http://www.schach-computer.info/wiki/index.php/6301V 6301V] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> inside the [[CXG Star Chess]] of 1985 <ref>[http://www.schach-computer.info/wiki/index.php/CXG_Star_Chess CXG Star Chess] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> <ref>[http://www.schach-computer.info/wiki/index.php/Danielsen,_Kaare Danielsen, Kaare] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>. According to its author, LogiChess is still the strongest 4K chess computer in the world <ref>[http://www.danielsen.com/resume.shtml Resume for Kaare Danielsen]</ref>.<br />
<br />
=Lexibook=<br />
The [[Motorola]] [[6800]] LogiChess branch was still in production in the 2000s, as used in all the '''Lexibook''' computers <ref>[http://www.spacious-mind.com/html/lexibook.html Lexibook Electronic Chess Computers] from [[The Spacious Mind]]</ref> with [https://en.wikipedia.org/wiki/Freescale_68HC08 68HC08] compatible microcontrollers <ref>[http://www.schach-computer.info/wiki/index.php/Danielsen,_Kaare Danielsen, Kaare] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> <ref>[http://www.spacious-mind.com/html/travel_chess_explorer.html Lexibook Travel Chess Explorer Electronic Chess Computer] from [[The Spacious Mind]]</ref> <ref>[http://www.spacious-mind.com/html/chessman_pro.html Lexibook ChessMan Pro Electronic Chess Computer] from [[The Spacious Mind]]</ref> <ref>[http://www.schach-computer.info/wiki/index.php/Lexibook_Travel_Chess Lexibook Travel Chess] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)</ref>.<br />
<br />
=Selected Games=<br />
<span id="CyrusLogiChess1983"></span>[[WMCCC 1983]], round 1, [[Cyrus 68K|65 Cyrus X]] - [[LogiChess|LogiChess 2.2]] <ref>[https://www.game-ai-forum.org/icga-tournaments/round.php?tournament=66&round=1&id=2 Budapest 1983 - Chess - Round 1 - Game 2 (ICGA Tournaments)]</ref><br />
<pre><br />
[Event "WMCCC 1983"]<br />
[Site "Budapest, Hungary"]<br />
[Date "1983.10.13"]<br />
[Round "1"]<br />
[White "65 Cyrus X"]<br />
[Black "LogiChess 2.2"]<br />
[Result "0-1"]<br />
<br />
1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.e3 Nc6 5.Be2 Ne4 6.Nxe4 dxe4 7.c5 Qg5 8.g3 Qf5 <br />
9.Bg4 Qd5 10.Bd2 h5 11.Be2 e5 12.Bc3 h4 13.Bb5 hxg3 14.Bxc6+ Qxc6 15.fxg3 Be6 <br />
16.h4 b6 17.cxb6 axb6 18.a4 exd4 19.Qxd4 f6 20.Qd1 Bc5 21.Ne2 Bxe3 22.Nd4 Qd6 <br />
23.Ne2 Qxd1+ 24.Kxd1 Rxa4 25.Kc2 b5 26.Rxa4 bxa4 27.Bd4 Bh6 28.Nc3 Bb3+ 29.Kb1 <br />
f5 30.g4 fxg4 31.Nxe4 O-O 32.Re1 Rf3 33.Ng5 Bxg5 34.hxg5 Rd3 35.g6 Rd1+ 36.Rxd1 <br />
Bxd1 37.Kc1 Bf3 38.Kd2 Be4 39.Ke3 Bxg6 40.Be5 c5 41.Kf4 Bh5 42.Kg5 g6 43.Kf6 c4 <br />
44.Ke6 c3 45.bxc3 a3 46.c4 a2 47.c5 g3 48.c6 g2 49.Bd4 g1=Q 50.Bxg1 a1=Q 51.Bc5 <br />
Bg4+ 52.Kd6 Bf3 53.Bf2 Qd1+ 54.Kc7 Qc1 55.Bg3 Qxc6+ 56.Kd8 Bg4 57.Ke7 Qe6+ <br />
58.Kd8 Qd7# 0-1 <br />
</pre><br />
<br />
=See also=<br />
* [[CXG Sensor Computachess#III|CXG Computachess III]]<br />
* [[CXG Star Chess]]<br />
* [[Enterprise]]<br />
* [[SciSys Explorer]]<br />
<br />
=External Links=<br />
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=468 LogiChess' ICGA Tournaments]<br />
* [http://www.danielsen.com/resume.shtml Resume for Kaare Danielsen]<br />
<br />
=References= <br />
<references /><br />
<br />
'''[[Engines|Up one level]]'''</div>
GerdIsenberg