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Created page with "'''Home * Engines * Cluster Toga''' FILE:Ancient Times, Roman. - 016 - Costumes of All Nations (1882).JPG|border|right|thumb| Ancient Times, Roman <ref>[h..."
'''[[Main Page|Home]] * [[Engines]] * Cluster Toga'''
[[FILE:Ancient Times, Roman. - 016 - Costumes of All Nations (1882).JPG|border|right|thumb| Ancient Times, Roman <ref>[http://www.kendallredburn.com/Plates3.html Costumes of All Nations] (1882) by [https://en.wikipedia.org/wiki/Albert_Kretschmer Albert Kretschmer], painters and costumer to the [https://en.wikipedia.org/wiki/Konzerthaus_Berlin Royal Court Theatre, Berlin], and Dr. Carl Rohrbach, photographed by [http://www.kendallredburn.com/ Kendall Redburn], [https://commons.wikimedia.org/wiki/Category:Costumes_of_All_Nations_(1882) Category:Costumes of All Nations (1882)] [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Cluster Toga''',<br/>
a chess engine based on [[Toga|Toga II]] by [[Thomas Gaksch]], in turn based on [[Fruit|Fruit 2.1]] by [[Fabien Letouzey]].
Cluster Toga is a [[Parallel Search|parallel extension]] of Toga, implemented by [[Kai Himstedt]] and [[Ulf Lorenz]].
It considers the [[Young Brothers Wait Concept]] using [https://en.wikipedia.org/wiki/Message_Passing_Interface Message Passing Interface (MPI)] for a [https://en.wikipedia.org/wiki/Cilk#Work-stealing work-stealing] mechanism to [https://en.wikipedia.org/wiki/Load_balancing_%28computing%29 balance the load] dynamically, and utilizes a [[Shared Hash Table|shared hash table]].
Cluster Toga represents an intra-cluster worker of the [https://en.wikipedia.org/wiki/Computer_cluster cluster] chess entity [[GridChess]]. However, Cluster Toga played the [[IPCCC 2007]] and the [[WCCC 2008]] as "stand alone" engine instead of GridChess, due to a licensing issue in connection with the use of some parts of [[Crafty]] <ref>[[Kai Himstedt]] ('''2012'''). ''GridChess: Combining Optimistic Pondering with the Young Brothers Wait Concept''. [[ICGA Journal#35_2|ICGA Journal, Vol. 35, No. 2]]</ref>.
=Description=
given in 2008 from the [[ICGA]] tournament site <ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=568 Cluster Toga's ICGA Tournaments]</ref>:
Cluster Toga is a Young Brothers Wait Concept (YBWC) parallelized version of Toga based on Fruit capable to run on a high performance cluster. In fact it is a "stand alone" base engine of the GridChess system which participated [[WCCC 2007|last year in Amsterdam]] but is limited to use a single cluster.
=Photos & Games=
==IPCCC 2007==
[[FILE:clustertoga-shredder.JPG|none|border|text-bottom|640px]]
[[IPCCC 2007]], [[Kai Himstedt]], [[Stefan Meyer-Kahlen]], [[Cluster Toga]] - [[Shredder]] <ref>Image by [[Sebastian Böhme]], from his no longer available homepage /sebi/Paderborn2007 (as of July 13, 2019)</ref> <ref>[http://old.csvn.nl/pad_hist.html International Paderborn Computer Chess Championships (IPCCC)], [http://old.csvn.nl/ CSVN-tournament site]</ref>
<pre>
[Event "IPCCC 2007"]
[Site "Paderborn, GER"]
[Date "2007.12.27"]
[Round "02"]
[White "Cluster Toga"]
[Black "Shredder"]
[Result "1/2-1/2"]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7 9.f4 b5
10.Bxf6 gxf6 11.Kb1 Rc8 12.g4 h5 13.gxh5 Rxh5 14.h4 Qb6 15.Nce2 Rh8 16.Rh2 Na5 17.Ng3 Nc4
18.Qe2 a5 19.Qf3 a4 20.Bxc4 bxc4 21.Nde2 Rb8 22.Qc3 Qb4 23.a3 Qxc3 24.Nxc3 Bh6 25.Nge2 Ke7
26.Rd4 Rhc8 27.Rh1 Rc7 28.Ka2 Rg8 29.Rhd1 Rc6 30.Kb1 Rg4 31.h5 Rh4 32.Nb5 Rh2 33.Nxd6 e5
34.Rd5 Rxe2 35.Nxf7 Kxf7 36.Rxd7+ Kg8 37.Rg1+ Kh8 38.Rd8+ Kh7 39.Rd7+ Kh8 40.Rd8+ Kh7
41.Rd7+ Kh8 1/2-1/2
</pre>
==WCCC 2008==
[[FILE:cluster-toga-vs-hiarcs.JPG|none|border|text-bottom|640px]]
[[WCCC 2008]], round 1, [[Harvey Williamson]] and [[Timo Haupt|Timo Klaustermeyer]], [[Cluster Toga]] - [[HIARCS]] <ref>Image by [[Sebastian Böhme]], from his no longer available homepage /sebi/WCCC-Beijing-2008 (as of July 13, 2019)</ref> <ref>[https://www.game-ai-forum.org/icga-tournaments/round.php?tournament=178&round=1&id=3 Beijing 2008 - Chess - Round 1 - Game 3 (ICGA Tournaments)]</ref>
<pre>
[Event "WCCC 2008"]
[Site "Beijing, China"]
[Date "2008.09.28"]
[Round "1"]
[White "Cluster Toga"]
[Black "HIARCS"]
[Result "1/2-1/2"]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nb3 Be6 8.f3 Be7 9.Qd2 O-O
10.O-O-O Nbd7 11.g4 b5 12.g5 Nh5 13.Kb1 Qc7 14.Nd5 Bxd5 15.exd5 Nb6 16.Na5 Nxd5 17.Qxd5
Qxa5 18.Bd3 g6 19.Qb7 Rfe8 20.Be4 Qa4 21.Bc6 Rab8 22.Qa7 Rec8 23.c3 Ng7 24.h4 Nf5 25.Bb6
Rcf8 26.Bf2 Rfd8 27.Ka1 Kg7 28.Be4 Rde8 29.h5 Qc4 30.Qxa6 Bxg5 31.Rhg1 Kf6 32.Ba7 Rbd8
33.hxg6 hxg6 34.Bb6 Rdb8 35.Qa7 Qe6 36.Rd3 Reh8 37.Rgd1 Rbc8 38.Bb7 Rcf8 39.Bc7 Kg7
40.Be4 Be7 41.Bb6 Bd8 42.Bf2 Bh4 43.Bb6 Bd8 44.Bf2 Bh4 45.Bb6 Bd8 1/2-1/2
</pre>
=Authors=
<ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=568 Cluster Toga's ICGA Tournaments]</ref>
{| class="wikitable"
|-
! Author
! Role
! Parts
|-
| [[Kai Himstedt]]
| engine programmer
|
|-
| [[Ulf Lorenz]]
| engine programmer
|
|-
| [[Thomas Gaksch]]
| engine programmer
| [[Toga]]
|-
| [[Clemens Keck]]
| [[:Category:Opening Book Author|book author]]
|
|-
| [[Fabien Letouzey]]
| engine programmer
| [[Fruit]]
|-
| [[Timo Haupt|Timo Klaustermeyer]]
| book author, [[:Category:Operator|operator]]
|
|}
=See also=
* [[Fruit]]
* [[GridChess]]
* [[GridProtector]]
* [[Toga]]
=Forum Posts=
* [http://www.talkchess.com/forum/viewtopic.php?t=18725 Cluster Toga/Paderborn championship] by ChessAddict, [[CCC]], January 03, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=24083 Toga Cluster] by [[Charles Roberson]], [[CCC]], September 29, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=34780 Cluster Toga based on Fruit Source Code] by [[Kai Himstedt]], [[CCC]], June 07, 2010 <ref>[https://www.informatik.uni-hamburg.de/TIS/file-download/email-file.php Download - Cluster Toga 1.4b5c based on Fruit 2.1 UCI]</ref>
* [http://www.talkchess.com/forum/viewtopic.php?t=46179 Please, Cluster Toga && Zochova] by [[Arturo Ochoa]], [[CCC]], November 28, 2012 » [[Zochova]]
: [http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=494419&t=46179 Re: Please, Cluster Toga && Zochova] by [[Jim Ablett]], [[CCC]], November 28, 2012
=External Links=
==Chess Entity==
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=568 Cluster Toga's ICGA Tournaments]
* [https://www.informatik.uni-hamburg.de/TIS/file-download/email-file.php Download - Cluster Toga 1.4b5c based on Fruit 2.1 UCI]
==Misc==
===Cluster===
* [https://en.wikipedia.org/wiki/Cluster Cluster from Wikipedia]
* [https://en.wikipedia.org/wiki/Computer_cluster Computer cluster from Wikipedia]
* [https://en.wikipedia.org/wiki/Star_cluster Star cluster from Wikipedia]
* [https://en.wikipedia.org/wiki/Supercluster Supercluster from Wikipedia]
* [https://en.wikipedia.org/wiki/Open_cluster Open cluster from Wikipedia]
===Toga===
* [https://en.wikipedia.org/wiki/Toga_(disambiguation) Toga (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Toga Toga from Wikipedia]
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:Open Source]]
[[Category:GPL]]
[[Category:Cluster]]
[[Category:Astronomy]]
[[FILE:Ancient Times, Roman. - 016 - Costumes of All Nations (1882).JPG|border|right|thumb| Ancient Times, Roman <ref>[http://www.kendallredburn.com/Plates3.html Costumes of All Nations] (1882) by [https://en.wikipedia.org/wiki/Albert_Kretschmer Albert Kretschmer], painters and costumer to the [https://en.wikipedia.org/wiki/Konzerthaus_Berlin Royal Court Theatre, Berlin], and Dr. Carl Rohrbach, photographed by [http://www.kendallredburn.com/ Kendall Redburn], [https://commons.wikimedia.org/wiki/Category:Costumes_of_All_Nations_(1882) Category:Costumes of All Nations (1882)] [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Cluster Toga''',<br/>
a chess engine based on [[Toga|Toga II]] by [[Thomas Gaksch]], in turn based on [[Fruit|Fruit 2.1]] by [[Fabien Letouzey]].
Cluster Toga is a [[Parallel Search|parallel extension]] of Toga, implemented by [[Kai Himstedt]] and [[Ulf Lorenz]].
It considers the [[Young Brothers Wait Concept]] using [https://en.wikipedia.org/wiki/Message_Passing_Interface Message Passing Interface (MPI)] for a [https://en.wikipedia.org/wiki/Cilk#Work-stealing work-stealing] mechanism to [https://en.wikipedia.org/wiki/Load_balancing_%28computing%29 balance the load] dynamically, and utilizes a [[Shared Hash Table|shared hash table]].
Cluster Toga represents an intra-cluster worker of the [https://en.wikipedia.org/wiki/Computer_cluster cluster] chess entity [[GridChess]]. However, Cluster Toga played the [[IPCCC 2007]] and the [[WCCC 2008]] as "stand alone" engine instead of GridChess, due to a licensing issue in connection with the use of some parts of [[Crafty]] <ref>[[Kai Himstedt]] ('''2012'''). ''GridChess: Combining Optimistic Pondering with the Young Brothers Wait Concept''. [[ICGA Journal#35_2|ICGA Journal, Vol. 35, No. 2]]</ref>.
=Description=
given in 2008 from the [[ICGA]] tournament site <ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=568 Cluster Toga's ICGA Tournaments]</ref>:
Cluster Toga is a Young Brothers Wait Concept (YBWC) parallelized version of Toga based on Fruit capable to run on a high performance cluster. In fact it is a "stand alone" base engine of the GridChess system which participated [[WCCC 2007|last year in Amsterdam]] but is limited to use a single cluster.
=Photos & Games=
==IPCCC 2007==
[[FILE:clustertoga-shredder.JPG|none|border|text-bottom|640px]]
[[IPCCC 2007]], [[Kai Himstedt]], [[Stefan Meyer-Kahlen]], [[Cluster Toga]] - [[Shredder]] <ref>Image by [[Sebastian Böhme]], from his no longer available homepage /sebi/Paderborn2007 (as of July 13, 2019)</ref> <ref>[http://old.csvn.nl/pad_hist.html International Paderborn Computer Chess Championships (IPCCC)], [http://old.csvn.nl/ CSVN-tournament site]</ref>
<pre>
[Event "IPCCC 2007"]
[Site "Paderborn, GER"]
[Date "2007.12.27"]
[Round "02"]
[White "Cluster Toga"]
[Black "Shredder"]
[Result "1/2-1/2"]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7 9.f4 b5
10.Bxf6 gxf6 11.Kb1 Rc8 12.g4 h5 13.gxh5 Rxh5 14.h4 Qb6 15.Nce2 Rh8 16.Rh2 Na5 17.Ng3 Nc4
18.Qe2 a5 19.Qf3 a4 20.Bxc4 bxc4 21.Nde2 Rb8 22.Qc3 Qb4 23.a3 Qxc3 24.Nxc3 Bh6 25.Nge2 Ke7
26.Rd4 Rhc8 27.Rh1 Rc7 28.Ka2 Rg8 29.Rhd1 Rc6 30.Kb1 Rg4 31.h5 Rh4 32.Nb5 Rh2 33.Nxd6 e5
34.Rd5 Rxe2 35.Nxf7 Kxf7 36.Rxd7+ Kg8 37.Rg1+ Kh8 38.Rd8+ Kh7 39.Rd7+ Kh8 40.Rd8+ Kh7
41.Rd7+ Kh8 1/2-1/2
</pre>
==WCCC 2008==
[[FILE:cluster-toga-vs-hiarcs.JPG|none|border|text-bottom|640px]]
[[WCCC 2008]], round 1, [[Harvey Williamson]] and [[Timo Haupt|Timo Klaustermeyer]], [[Cluster Toga]] - [[HIARCS]] <ref>Image by [[Sebastian Böhme]], from his no longer available homepage /sebi/WCCC-Beijing-2008 (as of July 13, 2019)</ref> <ref>[https://www.game-ai-forum.org/icga-tournaments/round.php?tournament=178&round=1&id=3 Beijing 2008 - Chess - Round 1 - Game 3 (ICGA Tournaments)]</ref>
<pre>
[Event "WCCC 2008"]
[Site "Beijing, China"]
[Date "2008.09.28"]
[Round "1"]
[White "Cluster Toga"]
[Black "HIARCS"]
[Result "1/2-1/2"]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nb3 Be6 8.f3 Be7 9.Qd2 O-O
10.O-O-O Nbd7 11.g4 b5 12.g5 Nh5 13.Kb1 Qc7 14.Nd5 Bxd5 15.exd5 Nb6 16.Na5 Nxd5 17.Qxd5
Qxa5 18.Bd3 g6 19.Qb7 Rfe8 20.Be4 Qa4 21.Bc6 Rab8 22.Qa7 Rec8 23.c3 Ng7 24.h4 Nf5 25.Bb6
Rcf8 26.Bf2 Rfd8 27.Ka1 Kg7 28.Be4 Rde8 29.h5 Qc4 30.Qxa6 Bxg5 31.Rhg1 Kf6 32.Ba7 Rbd8
33.hxg6 hxg6 34.Bb6 Rdb8 35.Qa7 Qe6 36.Rd3 Reh8 37.Rgd1 Rbc8 38.Bb7 Rcf8 39.Bc7 Kg7
40.Be4 Be7 41.Bb6 Bd8 42.Bf2 Bh4 43.Bb6 Bd8 44.Bf2 Bh4 45.Bb6 Bd8 1/2-1/2
</pre>
=Authors=
<ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=568 Cluster Toga's ICGA Tournaments]</ref>
{| class="wikitable"
|-
! Author
! Role
! Parts
|-
| [[Kai Himstedt]]
| engine programmer
|
|-
| [[Ulf Lorenz]]
| engine programmer
|
|-
| [[Thomas Gaksch]]
| engine programmer
| [[Toga]]
|-
| [[Clemens Keck]]
| [[:Category:Opening Book Author|book author]]
|
|-
| [[Fabien Letouzey]]
| engine programmer
| [[Fruit]]
|-
| [[Timo Haupt|Timo Klaustermeyer]]
| book author, [[:Category:Operator|operator]]
|
|}
=See also=
* [[Fruit]]
* [[GridChess]]
* [[GridProtector]]
* [[Toga]]
=Forum Posts=
* [http://www.talkchess.com/forum/viewtopic.php?t=18725 Cluster Toga/Paderborn championship] by ChessAddict, [[CCC]], January 03, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=24083 Toga Cluster] by [[Charles Roberson]], [[CCC]], September 29, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=34780 Cluster Toga based on Fruit Source Code] by [[Kai Himstedt]], [[CCC]], June 07, 2010 <ref>[https://www.informatik.uni-hamburg.de/TIS/file-download/email-file.php Download - Cluster Toga 1.4b5c based on Fruit 2.1 UCI]</ref>
* [http://www.talkchess.com/forum/viewtopic.php?t=46179 Please, Cluster Toga && Zochova] by [[Arturo Ochoa]], [[CCC]], November 28, 2012 » [[Zochova]]
: [http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=494419&t=46179 Re: Please, Cluster Toga && Zochova] by [[Jim Ablett]], [[CCC]], November 28, 2012
=External Links=
==Chess Entity==
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=568 Cluster Toga's ICGA Tournaments]
* [https://www.informatik.uni-hamburg.de/TIS/file-download/email-file.php Download - Cluster Toga 1.4b5c based on Fruit 2.1 UCI]
==Misc==
===Cluster===
* [https://en.wikipedia.org/wiki/Cluster Cluster from Wikipedia]
* [https://en.wikipedia.org/wiki/Computer_cluster Computer cluster from Wikipedia]
* [https://en.wikipedia.org/wiki/Star_cluster Star cluster from Wikipedia]
* [https://en.wikipedia.org/wiki/Supercluster Supercluster from Wikipedia]
* [https://en.wikipedia.org/wiki/Open_cluster Open cluster from Wikipedia]
===Toga===
* [https://en.wikipedia.org/wiki/Toga_(disambiguation) Toga (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Toga Toga from Wikipedia]
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:Open Source]]
[[Category:GPL]]
[[Category:Cluster]]
[[Category:Astronomy]]
