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Changes
Created page with "'''Home * Engines * Ktulu''' [[FILE:Cthulhu and R'lyeh.jpg|border|right|thumb| [https://en.wikipedia.org/wiki/Cthulhu Cthulhu] <ref>An artist's [https://co..."
'''[[Main Page|Home]] * [[Engines]] * Ktulu'''
[[FILE:Cthulhu and R'lyeh.jpg|border|right|thumb| [https://en.wikipedia.org/wiki/Cthulhu Cthulhu] <ref>An artist's [https://commons.wikimedia.org/wiki/File:Cthulhu_and_R%27lyeh.jpg visual representation] of the Elder God [https://en.wikipedia.org/wiki/Cthulhu Cthulhu], by [https://commons.wikimedia.org/wiki/User:BenduKiwi BenduKiwi], July 30, 2006, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Ktulu''',<br/>
a commercial [[UCI]] and [[WinBoard]] compatible chess engine by [[Rahman Paidar]] distributed by [[Lokasoft]].
Ktulu has a sophisticated [[Evaluation|evaluation]] - [[King Safety|King safety]] and [[Passed Pawn|passed pawn]] evaluation,
completely rewritten in version 6.2, are responsible for its dangerous attacking style with strong [[Tactics|tactical]] and positional play.
Further, some unsafe [[Pruning|pruning]] algorithms were replaced with more sound methods
<ref>[https://web.archive.org/web/20110611144445/http://www.playwitharena.com/?Newsticker:Archive_6 Ktulu 6.2 will be released soon], Interview with [[Rahman Paidar]] by [[Frank Quisinsky]], [[Arena|Arena News-Ticker]] 80, March 15, 2005 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])</ref>.
=Tournament Play=
Ktulu played four [[CSVN]] tournaments over the board, the [https://en.wikipedia.org/wiki/Leiden Leiden] [[DOCCC 2005]], [[DOCCC 2008]], [[ICT 2009]] and [[DOCCC 2009]], the [[CCT10]], [[CCT11]] and [[CCT12]] online tournaments, the the [[WCRCC 2007]], the first [[ACCA World Computer Rapid Chess Championship]].
=Photos & Games=
==Ktulu - Hermann==
[[FILE:KtuluHermannICT2009.jpg|none|border|text-bottom|link=http://www.csvn.nl/index.php?option=com_content&view=article&id=426%3Afotogalerij-3&catid=54%3Afotogalerij&Itemid=61&lang=en]]
[[ICT 2009]], [[Volker Annuss]] and [[Hans Secelle]], [[Ktulu]] - [[Hermann]] <ref>[http://www.csvn.nl/index.php?option=com_docman&task=cat_view&gid=39&Itemid=26&lang=en Downloads | CSVN International Computerchess Tournament | Games]</ref> <ref>[http://www.csvn.nl/index.php?option=com_content&view=article&id=426%3Afotogalerij-3&catid=54%3Afotogalerij&Itemid=61&lang=en 9th International CSVN Tournament 2009 - Photo Gallery], [[CSVN]] site</ref>
<pre>
[Event "ICT 2009"]
[Site "Leiden, NED"]
[Date "2009.06.05"]
[Round "4"]
[White "Ktulu 9"]
[Black "Hermann 2.4.24"]
[Result "1-0"]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Qxb2 9.Rb1 Qa3
10.e5 dxe5 11.fxe5 Nfd7 12.Be2 Qa5 13.Nb3 Qc7 14.O-O Nxe5 15.Bh5 Nbc6 16.Ne4 Ba3 17.Qe3
Be7 18.Qg3 g6 19.Nf6+ Bxf6 20.Bxf6 Rg8 21.Be2 Qb8 22.Qh4 Nd7 23.Bc3 h5 24.Rbd1 Qa7+
25.Rf2 Qe3 26.Rd3 Qh6 27.Nd2 f5 28.Nc4 Rg7 29.Nd6+ Kf8 30.Bf3 Re7 31.Bxc6 bxc6 32.Rfd2
c5 33.Nxc8 Rxc8 34.Rxd7 Qe3+ 35.Kf1 g5 36.Qxh5 Qf4+ 37.Ke2 Qe4+ 38.Kd1 Qg4+ 39.Qxg4 fxg4
40.Bf6 Rxd7 41.Rxd7 Rb8 42.Rd8+ Rxd8+ 43.Bxd8 Kf7 44.Bxg5 Kg6 45.Be7 Kf5 46.Bxc5 Ke4
47.h4 gxh3 48.gxh3 Kf5 49.h4 e5 50.Bb6 Ke6 51.h5 Kf6 52.h6 1-0
</pre>
|}
==Ktulu - Deep Sjeng==
[[FILE:KtuluSjeng2009.jpg|none|border|text-bottom]]
[[DOCCC 2009]], [[Ktulu]] - [[Deep Sjeng]], [[Gian-Carlo Pascutto]] and [[Hans Secelle]] with [[Computer Chess Compendium]]
<pre>
[Event "DOCCC 2009"]
[Site "Leiden NED"]
[Date "2009.10.18"]
[Round "8"]
[White "Ktulu"]
[Black "Deep Sjeng"]
[Result "0-1"]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.Bc4 e6 8.O-O Ne5 9.Be2 Be7
10.f4 Ng6 11.f5 Ne5 12.fxe6 fxe6 13.Bh5+ g6 14.Be2 O-O 15.Qd2 Bd7 16.Kh1 Nf7 17.Be3 b5
18.a3 Qc7 19.Rf2 Rac8 20.Raf1 Qd8 21.Qd3 Ne5 22.Qd1 Re8 23.Bh6 Rxc3 24.bxc3 Nxe4 25.R2f4
Nf6 26.R4f2 d5 27.Nb3 Nf7 28.Bc1 Nd6 29.R2f3 Nfe4 30.Bf4 Qc8 31.Be5 Ng5 32.Qc1 Nf5 33.g4
Nh6 34.R3f2 Nhf7 35.R2xf7 Nxf7 36.Rxf7 Kxf7 37.Qh6 Rf8 38.Qxh7+ Ke8 39.Qxg6+ Kd8 40.Nd4
Re8 41.Bd3 Bf8 42.Qh7 Be7 43.Qh6 Qc5 44.Nxe6+ Bxe6 45.Qxe6 Bh4 46.Qf5 Qf8 47.Qxf8 Rxf8
48.Kg2 Be7 49.Kg3 Kd7 50.Bf4 Bxa3 51.h4 Bb2 52.g5 Bxc3 53.h5 Kc6 54.h6 a5 55.g6 a4 56.g7
Rg8 57.Bh7 Bxg7 58.Bxg8 Bc3 59.Bf7 a3 60.Be8+ Kc5 61.Be3+ Kd6 62.Bxb5 a2 0-1
</pre>
=Forum Posts=
==2003 ...==
* [https://www.stmintz.com/ccc/index.php?id=317576 KTULU: A new strong WB-Engine (soon) - text german, sorry - ?] by [[Eduard Nemeth]], [[CCC]], September 24, 2003
* [https://www.stmintz.com/ccc/index.php?id=357995 Ktulu goes commercial] by Christian Koch, [[CCC]], April 02, 2004
* [https://www.stmintz.com/ccc/index.php?id=362816 Ktulu 5.0 by Rahman Paidar (Iran) available in Gladiator-Shop tomorrow!] by [[Frank Quisinsky]], [[CCC]], May 01, 2004
* [https://www.stmintz.com/ccc/index.php?id=362930 Ktulu 5.0 and Patriot 1.2.2 released ...] by [[Frank Quisinsky]], [[CCC]], May 02, 2004
* [https://www.stmintz.com/ccc/index.php?id=368299 Ktulu 5.1 by Rahman Paidar released ...] by [[Frank Quisinsky]], [[CCC]], May 31, 2004
==2005 ...==
* [https://www.stmintz.com/ccc/index.php?id=421521 Ktulu mirage vanishing and precociously marketed shams always coming...] by [[Fernando Villegas]], [[CCC]], April 18, 2005
* [https://www.stmintz.com/ccc/index.php?id=423481 Will Ktulu 7.0 run under Fritz?] by [[Graham Banks]], [[CCC]], April 29, 2005
* [https://www.stmintz.com/ccc/index.php?id=446111 Ktulu 7.0 and Lokasoft] by Thomas Logan, [[CCC]], August 29, 2005
* [https://www.stmintz.com/ccc/index.php?id=459479 Ktulu 7.1 / 7.5] by [[Graham Banks]], [[CCC]], November 03, 2005
* [https://www.stmintz.com/ccc/index.php?id=461463 Dutch Open CC 8th round Zappa-Ktulu 1-0] by [[Theo van der Storm]], [[CCC]], November 13, 2005 » [[DOCCC 2005]]
* [https://www.stmintz.com/ccc/index.php?id=469226 Re: Rybka test position (Ktulu 7.5)] by [[Kurt Utzinger]], [[CCC]], December 12, 2005 » [[Rybka]]
* [https://www.stmintz.com/ccc/index.php?id=492059 Ktulu 7.5 Test (40'/40) After 1010 games / 5moves match vs Fritz 9] by [[Kurt Utzinger]], [[CCC]], March 08, 2006
* [http://www.talkchess.com/forum/viewtopic.php?t=18025 Any news of Ktulu?] by [[Marek Soszynski]], [[CCC]], November 25, 2007
* [http://www.talkchess.com/forum/viewtopic.php?t=28307 Hiarcs-Ktulu, Leiden 2009] by [[Jon Dart]], [[CCC]], June 08, 2009
* [http://www.talkchess.com/forum/viewtopic.php?t=31143 Tactical Factor in Ktulu 9] by Tom Giampietro, [[CCC]], December 19, 2009
==2010 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=32214 Concerning Ktulu 9 (CCT 12)] by David Shanholtzer, [[CCC]], January 30, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=33435 Patt-Bug, Junior 11.1a show mate and Ktulu 9.03 made patt!] by [[Frank Quisinsky]], [[CCC]], March 23, 2010 » [[Stalemate]]
* [http://www.talkchess.com/forum/viewtopic.php?t=35452 Ktulu's endgame play] by [[Graham Banks]], [[CCC]], July 15, 2010
=External Links=
==Chess Engine==
* [https://www.lokasoft.nl/ktulu.aspx Ktulu 9] from [[Lokasoft]]
* [https://www.schachversand.de/software/schachprogramm/ktulu-8-upgrade.html Rahman Paidar - Ktulu 8] - [[Schachversand Niggemann]]
* [https://web.archive.org/web/20110611144445/http://www.playwitharena.com/?Newsticker:Archive_6 Ktulu 6.2 will be released soon], Interview with [[Rahman Paidar]] by [[Frank Quisinsky]], [[Arena|Arena News-Ticker]] 80, March 15, 2005 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
* [https://web.archive.org/web/20110611144744/http://www.playwitharena.com/?Newsticker:Archive_7 Ktulu 7.0 by Rahman Paidar], [[Arena|Arena News-Ticker]] 105-107, April 15, 2005 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
* [https://web.archive.org/web/20110611144520/http://www.playwitharena.com/?Newsticker:Archive_9 Ktulu's book learning by Rahman Paidar], [[Arena|Arena News-Ticker]] 133, May 10, 2005 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
* [http://www.computerchess.org.uk/ccrl/4040/cgi/compare_engines.cgi?family=Ktulu&print=Rating+list&print=Results+table&print=LOS+table&print=Ponder+hit+table&print=Eval+difference+table&print=Comopp+gamenum+table&print=Overlap+table&print=Score+with+common+opponents Ktulu] in [[CCRL|CCRL 40/15]]
* [http://kirill-kryukov.com/chess/kcec/cgi/engine_details.cgi?print=Details&each_game=1&eng=Ktulu%204.2 Ktulu 4.2] in [[KCEC]]
* [https://www.chessgames.com/perl/chessplayer?pid=109973 The chess games of Ktulu] from [https://www.chessgames.com/index.html chessgames.com]
* [https://www.365chess.com/players/KTULU Ktulu chess games - 365Chess.com]
==Ktulu/Cthulhu==
* [https://en.wiktionary.org/wiki/Ktulu Ktulu - Wiktionary]
* [https://en.wiktionary.org/wiki/Cthulhu Cthulhu - Wiktionary]
* [https://en.wikipedia.org/wiki/Cthulhu Cthulhu from Wikipedia]
* [https://en.wikipedia.org/wiki/Cthulhu_%28disambiguation%29 Cthulhu (disambiguation) from Wikipedia]
===Cthulhu Mythos===
* [https://en.wikipedia.org/wiki/Cthulhu_Mythos Cthulhu Mythos from Wikipedia]
* [https://en.wikipedia.org/wiki/Cthulhu_Mythos_in_popular_culture Cthulhu Mythos in popular culture from Wikipedia]
* [https://en.wikipedia.org/wiki/Cthulhu_Mythos_anthology Cthulhu Mythos anthology from Wikipedia]
* [https://en.wikipedia.org/wiki/Cthulhu_Mythos_arcane_literature Cthulhu Mythos arcane literature from Wikipedia]
* [https://en.wikipedia.org/wiki/Cthulhu_Mythos_deities Cthulhu Mythos deities from Wikipedia]
* [https://en.wikipedia.org/wiki/The_Shadow_Over_Innsmouth#Cthulhu_Mythos The Shadow Over Innsmouth - Cthulhu Mythos from Wikipedia]
* [https://en.wikipedia.org/wiki/CthulhuTech CthulhuTech from Wikipedia]
===Call of Cthulhu===
* [https://en.wikipedia.org/wiki/Call_of_Cthulhu Call of Cthulhu (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/The_Call_of_Cthulhu The Call of Cthulhu from Wikipedia]
* [https://en.wikipedia.org/wiki/Call_of_Cthulhu:_The_Card_Game Call of Cthulhu: The Card Game from Wikipedia]
* [https://en.wikipedia.org/wiki/Call_of_Cthulhu_%28role-playing_game%29 Call of Cthulhu (role-playing game) from Wikipedia]
: [https://en.wikipedia.org/wiki/Delta_Green Delta Green from Wikipedia]
* [[:Category:Metallica|Metallica]] - [https://en.wikipedia.org/wiki/Ride_the_Lightning#The_Call_of_Ktulu The Call of Ktulu], February 9, 2017, [https://en.wikipedia.org/wiki/Copenhagen Copenhagen], [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=i9fxUlTMRz8|alignment=left|valignment=top}}
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:Commercial]]
[[Category:UCI]]
[[Category:WinBoard]]
[[Category:PC]]
[[Category:X86]]
[[Category:Windows]]
[[Category:Demonology]]
[[Category:Fiction]]
[[Category:Metallica]]
[[FILE:Cthulhu and R'lyeh.jpg|border|right|thumb| [https://en.wikipedia.org/wiki/Cthulhu Cthulhu] <ref>An artist's [https://commons.wikimedia.org/wiki/File:Cthulhu_and_R%27lyeh.jpg visual representation] of the Elder God [https://en.wikipedia.org/wiki/Cthulhu Cthulhu], by [https://commons.wikimedia.org/wiki/User:BenduKiwi BenduKiwi], July 30, 2006, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Ktulu''',<br/>
a commercial [[UCI]] and [[WinBoard]] compatible chess engine by [[Rahman Paidar]] distributed by [[Lokasoft]].
Ktulu has a sophisticated [[Evaluation|evaluation]] - [[King Safety|King safety]] and [[Passed Pawn|passed pawn]] evaluation,
completely rewritten in version 6.2, are responsible for its dangerous attacking style with strong [[Tactics|tactical]] and positional play.
Further, some unsafe [[Pruning|pruning]] algorithms were replaced with more sound methods
<ref>[https://web.archive.org/web/20110611144445/http://www.playwitharena.com/?Newsticker:Archive_6 Ktulu 6.2 will be released soon], Interview with [[Rahman Paidar]] by [[Frank Quisinsky]], [[Arena|Arena News-Ticker]] 80, March 15, 2005 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])</ref>.
=Tournament Play=
Ktulu played four [[CSVN]] tournaments over the board, the [https://en.wikipedia.org/wiki/Leiden Leiden] [[DOCCC 2005]], [[DOCCC 2008]], [[ICT 2009]] and [[DOCCC 2009]], the [[CCT10]], [[CCT11]] and [[CCT12]] online tournaments, the the [[WCRCC 2007]], the first [[ACCA World Computer Rapid Chess Championship]].
=Photos & Games=
==Ktulu - Hermann==
[[FILE:KtuluHermannICT2009.jpg|none|border|text-bottom|link=http://www.csvn.nl/index.php?option=com_content&view=article&id=426%3Afotogalerij-3&catid=54%3Afotogalerij&Itemid=61&lang=en]]
[[ICT 2009]], [[Volker Annuss]] and [[Hans Secelle]], [[Ktulu]] - [[Hermann]] <ref>[http://www.csvn.nl/index.php?option=com_docman&task=cat_view&gid=39&Itemid=26&lang=en Downloads | CSVN International Computerchess Tournament | Games]</ref> <ref>[http://www.csvn.nl/index.php?option=com_content&view=article&id=426%3Afotogalerij-3&catid=54%3Afotogalerij&Itemid=61&lang=en 9th International CSVN Tournament 2009 - Photo Gallery], [[CSVN]] site</ref>
<pre>
[Event "ICT 2009"]
[Site "Leiden, NED"]
[Date "2009.06.05"]
[Round "4"]
[White "Ktulu 9"]
[Black "Hermann 2.4.24"]
[Result "1-0"]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Qxb2 9.Rb1 Qa3
10.e5 dxe5 11.fxe5 Nfd7 12.Be2 Qa5 13.Nb3 Qc7 14.O-O Nxe5 15.Bh5 Nbc6 16.Ne4 Ba3 17.Qe3
Be7 18.Qg3 g6 19.Nf6+ Bxf6 20.Bxf6 Rg8 21.Be2 Qb8 22.Qh4 Nd7 23.Bc3 h5 24.Rbd1 Qa7+
25.Rf2 Qe3 26.Rd3 Qh6 27.Nd2 f5 28.Nc4 Rg7 29.Nd6+ Kf8 30.Bf3 Re7 31.Bxc6 bxc6 32.Rfd2
c5 33.Nxc8 Rxc8 34.Rxd7 Qe3+ 35.Kf1 g5 36.Qxh5 Qf4+ 37.Ke2 Qe4+ 38.Kd1 Qg4+ 39.Qxg4 fxg4
40.Bf6 Rxd7 41.Rxd7 Rb8 42.Rd8+ Rxd8+ 43.Bxd8 Kf7 44.Bxg5 Kg6 45.Be7 Kf5 46.Bxc5 Ke4
47.h4 gxh3 48.gxh3 Kf5 49.h4 e5 50.Bb6 Ke6 51.h5 Kf6 52.h6 1-0
</pre>
|}
==Ktulu - Deep Sjeng==
[[FILE:KtuluSjeng2009.jpg|none|border|text-bottom]]
[[DOCCC 2009]], [[Ktulu]] - [[Deep Sjeng]], [[Gian-Carlo Pascutto]] and [[Hans Secelle]] with [[Computer Chess Compendium]]
<pre>
[Event "DOCCC 2009"]
[Site "Leiden NED"]
[Date "2009.10.18"]
[Round "8"]
[White "Ktulu"]
[Black "Deep Sjeng"]
[Result "0-1"]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.Bc4 e6 8.O-O Ne5 9.Be2 Be7
10.f4 Ng6 11.f5 Ne5 12.fxe6 fxe6 13.Bh5+ g6 14.Be2 O-O 15.Qd2 Bd7 16.Kh1 Nf7 17.Be3 b5
18.a3 Qc7 19.Rf2 Rac8 20.Raf1 Qd8 21.Qd3 Ne5 22.Qd1 Re8 23.Bh6 Rxc3 24.bxc3 Nxe4 25.R2f4
Nf6 26.R4f2 d5 27.Nb3 Nf7 28.Bc1 Nd6 29.R2f3 Nfe4 30.Bf4 Qc8 31.Be5 Ng5 32.Qc1 Nf5 33.g4
Nh6 34.R3f2 Nhf7 35.R2xf7 Nxf7 36.Rxf7 Kxf7 37.Qh6 Rf8 38.Qxh7+ Ke8 39.Qxg6+ Kd8 40.Nd4
Re8 41.Bd3 Bf8 42.Qh7 Be7 43.Qh6 Qc5 44.Nxe6+ Bxe6 45.Qxe6 Bh4 46.Qf5 Qf8 47.Qxf8 Rxf8
48.Kg2 Be7 49.Kg3 Kd7 50.Bf4 Bxa3 51.h4 Bb2 52.g5 Bxc3 53.h5 Kc6 54.h6 a5 55.g6 a4 56.g7
Rg8 57.Bh7 Bxg7 58.Bxg8 Bc3 59.Bf7 a3 60.Be8+ Kc5 61.Be3+ Kd6 62.Bxb5 a2 0-1
</pre>
=Forum Posts=
==2003 ...==
* [https://www.stmintz.com/ccc/index.php?id=317576 KTULU: A new strong WB-Engine (soon) - text german, sorry - ?] by [[Eduard Nemeth]], [[CCC]], September 24, 2003
* [https://www.stmintz.com/ccc/index.php?id=357995 Ktulu goes commercial] by Christian Koch, [[CCC]], April 02, 2004
* [https://www.stmintz.com/ccc/index.php?id=362816 Ktulu 5.0 by Rahman Paidar (Iran) available in Gladiator-Shop tomorrow!] by [[Frank Quisinsky]], [[CCC]], May 01, 2004
* [https://www.stmintz.com/ccc/index.php?id=362930 Ktulu 5.0 and Patriot 1.2.2 released ...] by [[Frank Quisinsky]], [[CCC]], May 02, 2004
* [https://www.stmintz.com/ccc/index.php?id=368299 Ktulu 5.1 by Rahman Paidar released ...] by [[Frank Quisinsky]], [[CCC]], May 31, 2004
==2005 ...==
* [https://www.stmintz.com/ccc/index.php?id=421521 Ktulu mirage vanishing and precociously marketed shams always coming...] by [[Fernando Villegas]], [[CCC]], April 18, 2005
* [https://www.stmintz.com/ccc/index.php?id=423481 Will Ktulu 7.0 run under Fritz?] by [[Graham Banks]], [[CCC]], April 29, 2005
* [https://www.stmintz.com/ccc/index.php?id=446111 Ktulu 7.0 and Lokasoft] by Thomas Logan, [[CCC]], August 29, 2005
* [https://www.stmintz.com/ccc/index.php?id=459479 Ktulu 7.1 / 7.5] by [[Graham Banks]], [[CCC]], November 03, 2005
* [https://www.stmintz.com/ccc/index.php?id=461463 Dutch Open CC 8th round Zappa-Ktulu 1-0] by [[Theo van der Storm]], [[CCC]], November 13, 2005 » [[DOCCC 2005]]
* [https://www.stmintz.com/ccc/index.php?id=469226 Re: Rybka test position (Ktulu 7.5)] by [[Kurt Utzinger]], [[CCC]], December 12, 2005 » [[Rybka]]
* [https://www.stmintz.com/ccc/index.php?id=492059 Ktulu 7.5 Test (40'/40) After 1010 games / 5moves match vs Fritz 9] by [[Kurt Utzinger]], [[CCC]], March 08, 2006
* [http://www.talkchess.com/forum/viewtopic.php?t=18025 Any news of Ktulu?] by [[Marek Soszynski]], [[CCC]], November 25, 2007
* [http://www.talkchess.com/forum/viewtopic.php?t=28307 Hiarcs-Ktulu, Leiden 2009] by [[Jon Dart]], [[CCC]], June 08, 2009
* [http://www.talkchess.com/forum/viewtopic.php?t=31143 Tactical Factor in Ktulu 9] by Tom Giampietro, [[CCC]], December 19, 2009
==2010 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=32214 Concerning Ktulu 9 (CCT 12)] by David Shanholtzer, [[CCC]], January 30, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=33435 Patt-Bug, Junior 11.1a show mate and Ktulu 9.03 made patt!] by [[Frank Quisinsky]], [[CCC]], March 23, 2010 » [[Stalemate]]
* [http://www.talkchess.com/forum/viewtopic.php?t=35452 Ktulu's endgame play] by [[Graham Banks]], [[CCC]], July 15, 2010
=External Links=
==Chess Engine==
* [https://www.lokasoft.nl/ktulu.aspx Ktulu 9] from [[Lokasoft]]
* [https://www.schachversand.de/software/schachprogramm/ktulu-8-upgrade.html Rahman Paidar - Ktulu 8] - [[Schachversand Niggemann]]
* [https://web.archive.org/web/20110611144445/http://www.playwitharena.com/?Newsticker:Archive_6 Ktulu 6.2 will be released soon], Interview with [[Rahman Paidar]] by [[Frank Quisinsky]], [[Arena|Arena News-Ticker]] 80, March 15, 2005 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
* [https://web.archive.org/web/20110611144744/http://www.playwitharena.com/?Newsticker:Archive_7 Ktulu 7.0 by Rahman Paidar], [[Arena|Arena News-Ticker]] 105-107, April 15, 2005 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
* [https://web.archive.org/web/20110611144520/http://www.playwitharena.com/?Newsticker:Archive_9 Ktulu's book learning by Rahman Paidar], [[Arena|Arena News-Ticker]] 133, May 10, 2005 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
* [http://www.computerchess.org.uk/ccrl/4040/cgi/compare_engines.cgi?family=Ktulu&print=Rating+list&print=Results+table&print=LOS+table&print=Ponder+hit+table&print=Eval+difference+table&print=Comopp+gamenum+table&print=Overlap+table&print=Score+with+common+opponents Ktulu] in [[CCRL|CCRL 40/15]]
* [http://kirill-kryukov.com/chess/kcec/cgi/engine_details.cgi?print=Details&each_game=1&eng=Ktulu%204.2 Ktulu 4.2] in [[KCEC]]
* [https://www.chessgames.com/perl/chessplayer?pid=109973 The chess games of Ktulu] from [https://www.chessgames.com/index.html chessgames.com]
* [https://www.365chess.com/players/KTULU Ktulu chess games - 365Chess.com]
==Ktulu/Cthulhu==
* [https://en.wiktionary.org/wiki/Ktulu Ktulu - Wiktionary]
* [https://en.wiktionary.org/wiki/Cthulhu Cthulhu - Wiktionary]
* [https://en.wikipedia.org/wiki/Cthulhu Cthulhu from Wikipedia]
* [https://en.wikipedia.org/wiki/Cthulhu_%28disambiguation%29 Cthulhu (disambiguation) from Wikipedia]
===Cthulhu Mythos===
* [https://en.wikipedia.org/wiki/Cthulhu_Mythos Cthulhu Mythos from Wikipedia]
* [https://en.wikipedia.org/wiki/Cthulhu_Mythos_in_popular_culture Cthulhu Mythos in popular culture from Wikipedia]
* [https://en.wikipedia.org/wiki/Cthulhu_Mythos_anthology Cthulhu Mythos anthology from Wikipedia]
* [https://en.wikipedia.org/wiki/Cthulhu_Mythos_arcane_literature Cthulhu Mythos arcane literature from Wikipedia]
* [https://en.wikipedia.org/wiki/Cthulhu_Mythos_deities Cthulhu Mythos deities from Wikipedia]
* [https://en.wikipedia.org/wiki/The_Shadow_Over_Innsmouth#Cthulhu_Mythos The Shadow Over Innsmouth - Cthulhu Mythos from Wikipedia]
* [https://en.wikipedia.org/wiki/CthulhuTech CthulhuTech from Wikipedia]
===Call of Cthulhu===
* [https://en.wikipedia.org/wiki/Call_of_Cthulhu Call of Cthulhu (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/The_Call_of_Cthulhu The Call of Cthulhu from Wikipedia]
* [https://en.wikipedia.org/wiki/Call_of_Cthulhu:_The_Card_Game Call of Cthulhu: The Card Game from Wikipedia]
* [https://en.wikipedia.org/wiki/Call_of_Cthulhu_%28role-playing_game%29 Call of Cthulhu (role-playing game) from Wikipedia]
: [https://en.wikipedia.org/wiki/Delta_Green Delta Green from Wikipedia]
* [[:Category:Metallica|Metallica]] - [https://en.wikipedia.org/wiki/Ride_the_Lightning#The_Call_of_Ktulu The Call of Ktulu], February 9, 2017, [https://en.wikipedia.org/wiki/Copenhagen Copenhagen], [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=i9fxUlTMRz8|alignment=left|valignment=top}}
=References=
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