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Created page with "'''Home * Engines * Naraku''' [[FILE:Buddhist-hell-Thailand-1.jpg|border|right|thumb|240px| Naraka <ref>A [https://en.wikipedia.org/wiki/Mural mural] from a..."
'''[[Main Page|Home]] * [[Engines]] * Naraku'''
[[FILE:Buddhist-hell-Thailand-1.jpg|border|right|thumb|240px| Naraka <ref>A [https://en.wikipedia.org/wiki/Mural mural] from a [https://en.wikipedia.org/wiki/Temple temple] in northern [https://en.wikipedia.org/wiki/Thailand Thailand] depicting naked beings climbing thorn-covered trees, pecked by birds from above, and attacked from below by hell guards armed with spears. There are icy mountains in the background, and [https://en.wikipedia.org/wiki/Phra_Malai Phra Malaya] watches from above. [https://commons.wikimedia.org/wiki/File:Buddhist-hell-Thailand-1.jpg Photograph] taken 1998 by ntennis, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons], [https://en.wikipedia.org/wiki/Naraka_(Buddhism) Naraka (Buddhism) from Wikipedia]</ref> ]]
'''Naraku''',<br/>
an [[UCI]] compatible chess engine by [[Marco Meloni]], written in [[Cpp|C++]], first released in July 2010.
Naraku is a [[Bitboards|bitboard]] engine, applying standard [[Search|search]] techniques such as [[Alpha-Beta|alpha-beta]] with [[Transposition Table|transposition table]] inside an [[Iterative Deepening|iterative deepening]] framework, enhanced by
[[Null Move Pruning|null move pruning]], [[Futility Pruning|futility pruning]], [[Late Move Reductions|late move reductions]] and [[Quiescence Search|quiescence search]] <ref>[http://www.miroku79.info/blog/?page_id=88 Miro's blog » Naraku Chess Engine] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine], November 27, 2013)</ref>.
Naraku had a strong tournament debut, winning [[TCEC Season 2#Division F|TCEC Season 2, Division F]].
=Etymology=
The name of the engine is borrowed from the main [https://en.wikipedia.org/wiki/Antagonist antagonist] of the [https://en.wikipedia.org/wiki/Inuyasha Inuyasha] Japanese [https://en.wikipedia.org/wiki/Manga manga] series, [https://en.wikipedia.org/wiki/List_of_Inuyasha_characters#Naraku Naraku]
(奈落, Naraku, litt. [https://en.wikipedia.org/wiki/Naraka Naraka], Hell), a half-demon responsible for the misery of most of the main cast <ref>[https://en.wikipedia.org/wiki/List_of_Inuyasha_characters List of Inuyasha characters from Wikipedia]</ref>.
=Selected Games=
[[TCEC Season 2#Division F|TCEC Season 2, Division F]], [[Philou|Philou 3.5]] - Naraku 1.31 <ref>[https://tcec-chess.com/#div=f&game=21&season=2 Philou 3.5 vs Naraku 1.3 - TCEC Season 2, Division F]</ref>
<pre>
[Event "TCEC Season 2 - Division F"]
[Site "http://tcec.chessdom.com"]
[Date "2011.02.15"]
[Round "7.3"]
[White "Philou 3.5"]
[Black "Naraku 1.31"]
[Result "0-1"]
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Bxc3 7.bxc3 d5 8.exd5 Qxd5 9.Bc4 Qa5 10.Rb1 a6
11.Rb3 h6 12.Ra3 Qc5 13.Ra4 Re8 14.Ba3 Qb6 15.Bb3 Bg4 16.h3 Bh5 17.Re1 e4 18.dxe4 Ne5 19.g4 Nfxg4
20.hxg4 Bxg4 21.Re3 Qf6 22.Kg2 Rad8 23.Rd4 Bh5 24.Rdd3 Nxf3 25.Rxf3 Qg5+ 26.Kf1 Qh4 27.Bxf7+ Bxf7
28.Rfe3 Bh5 29.f3 Rxd3 30.cxd3 Qh1+ 31.Ke2 Qh2+ 32.Ke1 Re5 33.Re2 Qh1+ 34.Kd2 Qxf3 35.Qe1 Qxe2+
36.Qxe2 Bxe2 37.Kxe2 Ra5 38.Be7 Kf7 39.Bd8 Rxa2+ 40.Ke3 c6 41.c4 b5 42.cxb5 axb5 43.d4 b4 44.Kd3
b3 45.Kc3 b2 46.Kc2 0-1
</pre>
=Forum Posts=
* [http://www.talkchess.com/forum3/viewtopic.php?t=35909 Naraku Chess 1.12] by [[Tony Mokonen]], [[CCC]], August 27, 2010
* [http://www.talkchess.com/forum3/viewtopic.php?f=6&t=36046 STS <nowiki>[1-12]</nowiki> Naraku v1.12] by [[Swaminathan Natarajan]], [[CCC]], September 11, 2010 » [[Strategic Test Suite]]
=External Links=
==Chess Engine==
* [http://www.miroku79.info/blog/?page_id=88 Miro's blog » Naraku Chess Engine] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine], November 27, 2013)
* [https://ccrl.chessdom.com/ccrl/4040/cgi/engine_details.cgi?match_length=30&each_game=1&print=Details&each_game=1&eng=Naraku%201.4#Naraku_1_4 Naraku 1.4] in [[CCRL|CCRL 40/15]]
==Misc==
* [https://en.wikipedia.org/wiki/Naraku Naraku from Wikipedia]
* [https://en.wikipedia.org/wiki/Inuyasha Inuyasha from Wikipedia]
* [https://en.wikipedia.org/wiki/List_of_Inuyasha_characters List of Inuyasha characters from Wikipedia]
: [https://en.wikipedia.org/wiki/List_of_Inuyasha_characters#Naraku Naraku]
: [https://en.wikipedia.org/wiki/List_of_Inuyasha_characters#Shippo Shippo]
* [https://en.wikipedia.org/wiki/Naraka Naraka from Wikipedia]
* [https://en.wikipedia.org/wiki/Naraka_(Buddhism) Naraka (Buddhism) from Wikipedia]
* [https://en.wikipedia.org/wiki/Naraka_(Hinduism) Naraka (Hinduism) from Wikipedia]
* [https://en.wikipedia.org/wiki/Naraka_(Jainism) Naraka (Jainism) from Wikipedia]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:UCI]]
[[Category:PC]]
[[Category:Windows]]
[[Category:X86]]
[[Category:Fiction]]
[[Category:Comics]]
[[Category:Demonology]]
[[Category:Metaphysics]]
[[Category:Mythology]]
[[FILE:Buddhist-hell-Thailand-1.jpg|border|right|thumb|240px| Naraka <ref>A [https://en.wikipedia.org/wiki/Mural mural] from a [https://en.wikipedia.org/wiki/Temple temple] in northern [https://en.wikipedia.org/wiki/Thailand Thailand] depicting naked beings climbing thorn-covered trees, pecked by birds from above, and attacked from below by hell guards armed with spears. There are icy mountains in the background, and [https://en.wikipedia.org/wiki/Phra_Malai Phra Malaya] watches from above. [https://commons.wikimedia.org/wiki/File:Buddhist-hell-Thailand-1.jpg Photograph] taken 1998 by ntennis, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons], [https://en.wikipedia.org/wiki/Naraka_(Buddhism) Naraka (Buddhism) from Wikipedia]</ref> ]]
'''Naraku''',<br/>
an [[UCI]] compatible chess engine by [[Marco Meloni]], written in [[Cpp|C++]], first released in July 2010.
Naraku is a [[Bitboards|bitboard]] engine, applying standard [[Search|search]] techniques such as [[Alpha-Beta|alpha-beta]] with [[Transposition Table|transposition table]] inside an [[Iterative Deepening|iterative deepening]] framework, enhanced by
[[Null Move Pruning|null move pruning]], [[Futility Pruning|futility pruning]], [[Late Move Reductions|late move reductions]] and [[Quiescence Search|quiescence search]] <ref>[http://www.miroku79.info/blog/?page_id=88 Miro's blog » Naraku Chess Engine] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine], November 27, 2013)</ref>.
Naraku had a strong tournament debut, winning [[TCEC Season 2#Division F|TCEC Season 2, Division F]].
=Etymology=
The name of the engine is borrowed from the main [https://en.wikipedia.org/wiki/Antagonist antagonist] of the [https://en.wikipedia.org/wiki/Inuyasha Inuyasha] Japanese [https://en.wikipedia.org/wiki/Manga manga] series, [https://en.wikipedia.org/wiki/List_of_Inuyasha_characters#Naraku Naraku]
(奈落, Naraku, litt. [https://en.wikipedia.org/wiki/Naraka Naraka], Hell), a half-demon responsible for the misery of most of the main cast <ref>[https://en.wikipedia.org/wiki/List_of_Inuyasha_characters List of Inuyasha characters from Wikipedia]</ref>.
=Selected Games=
[[TCEC Season 2#Division F|TCEC Season 2, Division F]], [[Philou|Philou 3.5]] - Naraku 1.31 <ref>[https://tcec-chess.com/#div=f&game=21&season=2 Philou 3.5 vs Naraku 1.3 - TCEC Season 2, Division F]</ref>
<pre>
[Event "TCEC Season 2 - Division F"]
[Site "http://tcec.chessdom.com"]
[Date "2011.02.15"]
[Round "7.3"]
[White "Philou 3.5"]
[Black "Naraku 1.31"]
[Result "0-1"]
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Bxc3 7.bxc3 d5 8.exd5 Qxd5 9.Bc4 Qa5 10.Rb1 a6
11.Rb3 h6 12.Ra3 Qc5 13.Ra4 Re8 14.Ba3 Qb6 15.Bb3 Bg4 16.h3 Bh5 17.Re1 e4 18.dxe4 Ne5 19.g4 Nfxg4
20.hxg4 Bxg4 21.Re3 Qf6 22.Kg2 Rad8 23.Rd4 Bh5 24.Rdd3 Nxf3 25.Rxf3 Qg5+ 26.Kf1 Qh4 27.Bxf7+ Bxf7
28.Rfe3 Bh5 29.f3 Rxd3 30.cxd3 Qh1+ 31.Ke2 Qh2+ 32.Ke1 Re5 33.Re2 Qh1+ 34.Kd2 Qxf3 35.Qe1 Qxe2+
36.Qxe2 Bxe2 37.Kxe2 Ra5 38.Be7 Kf7 39.Bd8 Rxa2+ 40.Ke3 c6 41.c4 b5 42.cxb5 axb5 43.d4 b4 44.Kd3
b3 45.Kc3 b2 46.Kc2 0-1
</pre>
=Forum Posts=
* [http://www.talkchess.com/forum3/viewtopic.php?t=35909 Naraku Chess 1.12] by [[Tony Mokonen]], [[CCC]], August 27, 2010
* [http://www.talkchess.com/forum3/viewtopic.php?f=6&t=36046 STS <nowiki>[1-12]</nowiki> Naraku v1.12] by [[Swaminathan Natarajan]], [[CCC]], September 11, 2010 » [[Strategic Test Suite]]
=External Links=
==Chess Engine==
* [http://www.miroku79.info/blog/?page_id=88 Miro's blog » Naraku Chess Engine] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine], November 27, 2013)
* [https://ccrl.chessdom.com/ccrl/4040/cgi/engine_details.cgi?match_length=30&each_game=1&print=Details&each_game=1&eng=Naraku%201.4#Naraku_1_4 Naraku 1.4] in [[CCRL|CCRL 40/15]]
==Misc==
* [https://en.wikipedia.org/wiki/Naraku Naraku from Wikipedia]
* [https://en.wikipedia.org/wiki/Inuyasha Inuyasha from Wikipedia]
* [https://en.wikipedia.org/wiki/List_of_Inuyasha_characters List of Inuyasha characters from Wikipedia]
: [https://en.wikipedia.org/wiki/List_of_Inuyasha_characters#Naraku Naraku]
: [https://en.wikipedia.org/wiki/List_of_Inuyasha_characters#Shippo Shippo]
* [https://en.wikipedia.org/wiki/Naraka Naraka from Wikipedia]
* [https://en.wikipedia.org/wiki/Naraka_(Buddhism) Naraka (Buddhism) from Wikipedia]
* [https://en.wikipedia.org/wiki/Naraka_(Hinduism) Naraka (Hinduism) from Wikipedia]
* [https://en.wikipedia.org/wiki/Naraka_(Jainism) Naraka (Jainism) from Wikipedia]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:UCI]]
[[Category:PC]]
[[Category:Windows]]
[[Category:X86]]
[[Category:Fiction]]
[[Category:Comics]]
[[Category:Demonology]]
[[Category:Metaphysics]]
[[Category:Mythology]]
