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Created page with "'''Home * Engines * Parwell''' '''Parwell''',<br/> a chess program by Thomas Nitsche, Elmar Henne and Wolfram Wolff, which performed a Paralle..."
'''[[Main Page|Home]] * [[Engines]] * Parwell'''
'''Parwell''',<br/>
a chess program by [[Thomas Nitsche]], [[Elmar Henne]] and [[Wolfram Wolff]], which performed a [[Parallel Search|distributed search]] on a 128 processor ([[8080]]) [https://en.wikipedia.org/wiki/Siemens Siemens] [[SMS 201]] <ref>[http://www.siemens.com/innovation/en/publikationen/publications_pof/pof_fall_2002/robots_articles/artificial_intelligence.htm Rudolf Kober] ('''1977'''). ''[http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=680830&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel4%2F5585%2F14957%2F00680830 The Multiprocessor System SMS 201 Combining 128 Microprocessors To A Powerful Computer]''. Siemens AG</ref> computer from the [[Technical University of Munich]]. Parwell was based on Nitsche's early serial program [[Orwell]] <ref>[https://www.computerwoche.de/a/muenchner-student-fordert-weltmeister-heraus-orwell-stand-fuer-parwell-pate,1192808 Münchner Student fordert Weltmeister heraus: Orwell stand für Parwell Pate], [[Computerworld#Woche|Computerwoche]], May 18, 1979 (German)</ref>, it was written in [[Fortran]] and [[8080]] [[Assembly]] and searched about 300 [[Nodes per second|nodes per second]] <ref>[[David Levy]], [[Monroe Newborn]] ('''1982'''). ''[http://link.springer.com/book/10.1007/978-3-642-85538-2 All About Chess and Computers]''. 2nd edition, [https://en.wikipedia.org/wiki/Springer_Science%2BBusiness_Media Springer], Postscript 1978-80 and Belle, pp. 109</ref>.
=Tournament Play=
Parwell participated at the [[ECCC 1979|Second European Computer Chess Championship]], 1979, in [https://en.wikipedia.org/wiki/London London] <ref>[https://www.computerwoche.de/a/ii-europaeische-schachcomputermeisterschaft-parwell-und-elsa-als-elektronische-vertreter-deutschlands,1193707 II. Europäische Schachcomputermeisterschaft: "Parwell" und "Elsa" als elektronische Vertreter Deutschlands], [[Computerworld#Woche|Computerwoche]], September 14, 1979 (German)</ref> <ref>[https://www.computerwoche.de/a/partie-rasputin-parwell-sms-201,1194246 Partie: Rasputin - Parwell (SMS 201)], [[Computerworld#Woche|Computerwoche]], November 02, 1979, (German)</ref>, to qualify for the [[WCCC 1980|Third World Computer Chess Championship]], 1980, in [https://en.wikipedia.org/wiki/Linz Linz] <ref>[https://www.computerwoche.de/a/analogfunktion-unterstuetzt-brutale-gewalt,1190993 Dritte Weltmeisterschaft der Schachcomputer in Linz:: Analogfunktion unterstützt "brutale Gewalt"], [[Computerworld#Woche|Computerwoche]], October 24, 1980 (German)</ref>, where it finished with 1½/4.
=Selected Games=
[[WCCC 1980]] round 2, [[Parwell]] - [[Mychess]] <ref>[https://www.game-ai-forum.org/icga-tournaments/round.php?tournament=68&round=2&id=5 Linz 1980 - Chess - Round 2 - Game 5 (ICGA Tournaments)]</ref>
<pre>
[Event "WCCC 1980"]
[Site "Linz, Austria"]
[Date "1980.09.26"]
[Round "2"]
[White "Parwell"]
[Black "Mychess"]
[Result "1/2-1/2"]
1.f4 e5 2.fxe5 d6 3.exd6 Bxd6 4.e3 Qh4+ 5.Ke2 Bxh2 6.Nf3 Bg4 7.c3 Nc6 8.Qc2 O-O-O
9.Qb3 f6 10.e4 h5 11.d3 Nge7 12.Be3 Qg3 13.Qa3 a6 14.Bf2 Qf4 15.Be3 Qg3 16.Bf2 Qe5
17.Ke1 Bxf3 18.gxf3 Qf4 19.Nd2 h4 20.Kd1 h3 21.Qb3 f5 22.Bc5 Kb8 23.d4 a5 24.Bxe7
Nxe7 25.Qf7 Nc6 26.Qxf5 Qxf5 27.exf5 Bf4 28.f6 gxf6 29.Ne4 f5 30.Nc5 Nxd4 31.cxd4
Rxd4+ 32.Nd3 h2 33.Kc2 c6 34.Be2 Bg3 35.Kb1 Re8 36.Nc1 Rd5 37.a3 Rd2 38.Ka2 Rdxe2
39.Nxe2 Rxe2 40.Rhd1 Be5 41.Rab1 Re3 42.Rd8+ Ka7 43.f4 Bxf4 44.Rf8 Rh3 45.Rxf5 h1=Q
46.Rxh1 Rxh1 47.Rxf4 Rh3 48.Rf7 Kb6 49.b3 Rh2+ 50.Kb1 c5 51.Rg7 Kc6 52.Rg6+ Kd5
53.Rb6 Rh1+ 54.Kc2 Rh2+ 55.Kb1 Rh1+ 56.Kb2 Rh2+ 57.Kb1 Rh7 58.Rb5 Kc6 59.Rxa5
1/2-1/2
</pre>
=Parawell=
Parawell was a bus-connected parallel computer, where every node had direct access to the other nodes [[Memory|memory]], developed from 1984 - 1986 by [[Thomas Nitsche]], [[Elmar Henne]] and [https://en.wikipedia.org/wiki/NDR-Klein-Computer Rolf-Dieter Klein], not related to the chess program <ref>[https://www.computerwoche.de/a/drei-mann-team-entwickelt-parallelrechner,1160778 Mehr als tausend Prozessor-Knoten realisierbar:: Drei-Mann-Team entwickelt Parallelrechner], [[Computerworld#Woche|Computerwoche]], August 07, 1987 (German)</ref>.
=See also=
* [[Mephisto (H)]]
* [[Orwell]]
=External Links=
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=425 Parwell's ICGA Tournaments]
* [https://www.computerwoche.de/a/muenchner-student-fordert-weltmeister-heraus-orwell-stand-fuer-parwell-pate,1192808 Münchner Student fordert Weltmeister heraus: Orwell stand für Parwell Pate], [[Computerworld#Woche|Computerwoche]], May 18, 1979 (German)
* [https://www.computerwoche.de/a/ii-europaeische-schachcomputermeisterschaft-parwell-und-elsa-als-elektronische-vertreter-deutschlands,1193707 II. Europäische Schachcomputermeisterschaft: "Parwell" und "Elsa" als elektronische Vertreter Deutschlands], [[Computerworld#Woche|Computerwoche]], September 14, 1979 (German)
* [https://www.computerwoche.de/a/partie-rasputin-parwell-sms-201,1194246 Partie: Rasputin - Parwell (SMS 201)], [[Computerworld#Woche|Computerwoche]], November 02, 1979 (German)
=References=
<references />
'''[[Engines|Up one level]]'''
'''Parwell''',<br/>
a chess program by [[Thomas Nitsche]], [[Elmar Henne]] and [[Wolfram Wolff]], which performed a [[Parallel Search|distributed search]] on a 128 processor ([[8080]]) [https://en.wikipedia.org/wiki/Siemens Siemens] [[SMS 201]] <ref>[http://www.siemens.com/innovation/en/publikationen/publications_pof/pof_fall_2002/robots_articles/artificial_intelligence.htm Rudolf Kober] ('''1977'''). ''[http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=680830&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel4%2F5585%2F14957%2F00680830 The Multiprocessor System SMS 201 Combining 128 Microprocessors To A Powerful Computer]''. Siemens AG</ref> computer from the [[Technical University of Munich]]. Parwell was based on Nitsche's early serial program [[Orwell]] <ref>[https://www.computerwoche.de/a/muenchner-student-fordert-weltmeister-heraus-orwell-stand-fuer-parwell-pate,1192808 Münchner Student fordert Weltmeister heraus: Orwell stand für Parwell Pate], [[Computerworld#Woche|Computerwoche]], May 18, 1979 (German)</ref>, it was written in [[Fortran]] and [[8080]] [[Assembly]] and searched about 300 [[Nodes per second|nodes per second]] <ref>[[David Levy]], [[Monroe Newborn]] ('''1982'''). ''[http://link.springer.com/book/10.1007/978-3-642-85538-2 All About Chess and Computers]''. 2nd edition, [https://en.wikipedia.org/wiki/Springer_Science%2BBusiness_Media Springer], Postscript 1978-80 and Belle, pp. 109</ref>.
=Tournament Play=
Parwell participated at the [[ECCC 1979|Second European Computer Chess Championship]], 1979, in [https://en.wikipedia.org/wiki/London London] <ref>[https://www.computerwoche.de/a/ii-europaeische-schachcomputermeisterschaft-parwell-und-elsa-als-elektronische-vertreter-deutschlands,1193707 II. Europäische Schachcomputermeisterschaft: "Parwell" und "Elsa" als elektronische Vertreter Deutschlands], [[Computerworld#Woche|Computerwoche]], September 14, 1979 (German)</ref> <ref>[https://www.computerwoche.de/a/partie-rasputin-parwell-sms-201,1194246 Partie: Rasputin - Parwell (SMS 201)], [[Computerworld#Woche|Computerwoche]], November 02, 1979, (German)</ref>, to qualify for the [[WCCC 1980|Third World Computer Chess Championship]], 1980, in [https://en.wikipedia.org/wiki/Linz Linz] <ref>[https://www.computerwoche.de/a/analogfunktion-unterstuetzt-brutale-gewalt,1190993 Dritte Weltmeisterschaft der Schachcomputer in Linz:: Analogfunktion unterstützt "brutale Gewalt"], [[Computerworld#Woche|Computerwoche]], October 24, 1980 (German)</ref>, where it finished with 1½/4.
=Selected Games=
[[WCCC 1980]] round 2, [[Parwell]] - [[Mychess]] <ref>[https://www.game-ai-forum.org/icga-tournaments/round.php?tournament=68&round=2&id=5 Linz 1980 - Chess - Round 2 - Game 5 (ICGA Tournaments)]</ref>
<pre>
[Event "WCCC 1980"]
[Site "Linz, Austria"]
[Date "1980.09.26"]
[Round "2"]
[White "Parwell"]
[Black "Mychess"]
[Result "1/2-1/2"]
1.f4 e5 2.fxe5 d6 3.exd6 Bxd6 4.e3 Qh4+ 5.Ke2 Bxh2 6.Nf3 Bg4 7.c3 Nc6 8.Qc2 O-O-O
9.Qb3 f6 10.e4 h5 11.d3 Nge7 12.Be3 Qg3 13.Qa3 a6 14.Bf2 Qf4 15.Be3 Qg3 16.Bf2 Qe5
17.Ke1 Bxf3 18.gxf3 Qf4 19.Nd2 h4 20.Kd1 h3 21.Qb3 f5 22.Bc5 Kb8 23.d4 a5 24.Bxe7
Nxe7 25.Qf7 Nc6 26.Qxf5 Qxf5 27.exf5 Bf4 28.f6 gxf6 29.Ne4 f5 30.Nc5 Nxd4 31.cxd4
Rxd4+ 32.Nd3 h2 33.Kc2 c6 34.Be2 Bg3 35.Kb1 Re8 36.Nc1 Rd5 37.a3 Rd2 38.Ka2 Rdxe2
39.Nxe2 Rxe2 40.Rhd1 Be5 41.Rab1 Re3 42.Rd8+ Ka7 43.f4 Bxf4 44.Rf8 Rh3 45.Rxf5 h1=Q
46.Rxh1 Rxh1 47.Rxf4 Rh3 48.Rf7 Kb6 49.b3 Rh2+ 50.Kb1 c5 51.Rg7 Kc6 52.Rg6+ Kd5
53.Rb6 Rh1+ 54.Kc2 Rh2+ 55.Kb1 Rh1+ 56.Kb2 Rh2+ 57.Kb1 Rh7 58.Rb5 Kc6 59.Rxa5
1/2-1/2
</pre>
=Parawell=
Parawell was a bus-connected parallel computer, where every node had direct access to the other nodes [[Memory|memory]], developed from 1984 - 1986 by [[Thomas Nitsche]], [[Elmar Henne]] and [https://en.wikipedia.org/wiki/NDR-Klein-Computer Rolf-Dieter Klein], not related to the chess program <ref>[https://www.computerwoche.de/a/drei-mann-team-entwickelt-parallelrechner,1160778 Mehr als tausend Prozessor-Knoten realisierbar:: Drei-Mann-Team entwickelt Parallelrechner], [[Computerworld#Woche|Computerwoche]], August 07, 1987 (German)</ref>.
=See also=
* [[Mephisto (H)]]
* [[Orwell]]
=External Links=
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=425 Parwell's ICGA Tournaments]
* [https://www.computerwoche.de/a/muenchner-student-fordert-weltmeister-heraus-orwell-stand-fuer-parwell-pate,1192808 Münchner Student fordert Weltmeister heraus: Orwell stand für Parwell Pate], [[Computerworld#Woche|Computerwoche]], May 18, 1979 (German)
* [https://www.computerwoche.de/a/ii-europaeische-schachcomputermeisterschaft-parwell-und-elsa-als-elektronische-vertreter-deutschlands,1193707 II. Europäische Schachcomputermeisterschaft: "Parwell" und "Elsa" als elektronische Vertreter Deutschlands], [[Computerworld#Woche|Computerwoche]], September 14, 1979 (German)
* [https://www.computerwoche.de/a/partie-rasputin-parwell-sms-201,1194246 Partie: Rasputin - Parwell (SMS 201)], [[Computerworld#Woche|Computerwoche]], November 02, 1979 (German)
=References=
<references />
'''[[Engines|Up one level]]'''
