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Created page with "'''Home * Engines * Deuterium''' FILE:Deuterium discharge tube.jpg|border|right|thumb| Deuterium [https://en.wikipedia.org/wiki/Gas-filled_tube discharge..."
'''[[Main Page|Home]] * [[Engines]] * Deuterium'''
[[FILE:Deuterium discharge tube.jpg|border|right|thumb| Deuterium [https://en.wikipedia.org/wiki/Gas-filled_tube discharge tube] <ref>Image by [https://commons.wikimedia.org/wiki/User:Alchemist-hp Alchemist-hp], [https://en.wikipedia.org/wiki/Deuterium Deuterium (heavy hydrogen) from Wikipedia]</ref> ]]
'''Deuterium''',<br/>
an [[UCI]] compatible chess engine by [[Ferdinand Mosca]], initially based on [[TSCP]] or Tom's Simple Chess Program by [[Tom Kerrigan]].
With version 14.2.33.276, released in June 2014, the former [[Chess Engine Communication Protocol]] compliance was superseded by [[UCI]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=52710 Deuterium v14.2.33.276 released] by [[Ferdinand Mosca]], [[CCC]], June 21, 2014</ref>.
=Features=
<ref>based on [https://sites.google.com/site/deuteriumengine/ Deuterium Homepage] and Deuterium v14.3.34.130 readme.txt</ref>
==[[Board Representation]]==
* [[8x8 Board]]
* [[Piece-Lists]]
==[[Search]]==
* [[Iterative Deepening]]
* [[Aspiration Windows]]
* [[Fail-Soft]]
* [[NegaScout]]
* [[Transposition Table]]
* [[Selectivity]]
** [[Null Move Pruning]]
** [[History Leaf Pruning|Move History/Statistics Pruning]]
** [[Futility Pruning]]
** [[Late Move Reductions]]
** [[Razoring]]
* [[Move Ordering]]
** [[Static Exchange Evaluation]]
** [[Killer Heuristic]]
** [[History Heuristic]]
** [[Countermove Heuristic]]
==[[Evaluation]]==
* [[Material]]
* [[Evaluation Hash Table]]
* [[Piece-Square Tables]]
* [[Pawn Structure]]
* [[Pawn Hash Table]]
* [[Outposts]]
* [[Mobility]]
* [[King Safety]]
* [[Automated Tuning]]
==Misc==
* [[PolyGlot|PolyGlot Opening Book]]
* [[Scorpio Bitbases|6-men Scorpio Bitbases]]
=Tournament Play=
Deuterium participated at most [[ACCA World Computer Rapid Chess Championship|ACCA World Computer Rapid Chess Championships]], first in [[WCRCC 2007|2007]], as well as most recent [[CCT Tournaments]] since [[CCT11]]. Over the board, Deuterium became third at the [[CCC 2009]] 4th Chess Computer Cup in [https://en.wikipedia.org/wiki/Carugate Carugate], [https://en.wikipedia.org/wiki/Italy Italy], where it also played the [[IOCSC 2010|1st Italian Open Chess Software Cup]] in 2010.
=Selected Games=
[[CCT14]], round 5, [[Deuterium]] - [[Pandix]]
<pre>
[Event "CCT14"]
[Site "Internet Chess Club"]
[Date "2012.02.26"]
[Round "5"]
[White "Deuterium"]
[Black "Pandix"]
[Result "1/2-1/2"]
1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 b6 8.Be2 Bb7
9.Bxf6 Bxf6 10.cxd5 exd5 11.b4 c6 12.O-O Qd6 13.a3 Be7 14.Bd3 a5 15.b5 c5
16.e4 Nd7 17.Re1 cxd4 18.Nxd4 Bf6 19.Nf5 Qe5 20.Nxd5 Qxa1 21.Nxh6+ Kh8
22.Nxf7+ Kg8 23.Nh6+ Kh8 24.Nf7+ Kg8 25.Nh6+ Kh8 26.Nf7+ 1/2-1/2
</pre>
=Forum Posts=
==2009==
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=31177 Deuterium] by [[Swaminathan Natarajan]], [[CCC]], December 21, 2009 » [[Strategic Test Suite]]
: [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=31177&start=7 Re: Deuterium] by [[Ferdinand Mosca]], [[CCC]], December 23, 2009
==2010 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=35476 WCRCC 2010 - Deuterium Games] by [[Ferdinand Mosca]], [[CCC]], July 17, 2010 » [[WCRCC 2010]]
* [http://www.talkchess.com/forum/viewtopic.php?t=36716 Deuterium v10.01.27.213 Released] by [[Ferdinand Mosca]], [[CCC]], November 15, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=38672 Deuterium v11.01.28.159 released] by [[Ferdinand Mosca]], [[CCC]], April 06, 2011
* [http://www.talkchess.com/forum/viewtopic.php?t=39848 2011 Fifth Annual ACCA WCRCC: Deuterium games] by [[Ferdinand Mosca]], [[CCC]], July 24, 2011 » [[WCRCC 2011]]
* [http://www.talkchess.com/forum/viewtopic.php?t=41450 Deuterium update and other engines] by [[Ferdinand Mosca]], [[CCC]], December 14, 2011
* [http://www.talkchess.com/forum/viewtopic.php?t=48912 Deuterium v13.1.31.113 released] by [[Ferdinand Mosca]], [[CCC]], August 10, 2013
* [http://www.talkchess.com/forum/viewtopic.php?t=52710 Deuterium v14.2.33.276 released] by [[Ferdinand Mosca]], [[CCC]], June 21, 2014
==2015 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=55115 Nirvanachess, Deuterium and EXchess are on the way!] by [[Frank Quisinsky]], [[CCC]], January 27, 2015
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=67578 Deuterium 2018 released] by [[Ferdinand Mosca]], [[CCC]], May 27, 2018
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=69721 Deuterium v2019.1 released] by [[Ferdinand Mosca]], [[CCC]], January 25, 2019
=External Links=
==Chess Engine==
* [https://sites.google.com/view/deuterium-chess/home Deuterium Chess]
* [https://sites.google.com/site/deuteriumengine/ Deuterium Homepage]
* [http://ccrl.chessdom.com/ccrl/4040/cgi/compare_engines.cgi?family=Deuterium&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 Deuterium] in [[CCRL|CCRL 40/40]]
==Misc==
* [https://en.wikipedia.org/wiki/Deuterium Deuterium (heavy hydrogen) from Wikipedia]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:UCI]]
[[FILE:Deuterium discharge tube.jpg|border|right|thumb| Deuterium [https://en.wikipedia.org/wiki/Gas-filled_tube discharge tube] <ref>Image by [https://commons.wikimedia.org/wiki/User:Alchemist-hp Alchemist-hp], [https://en.wikipedia.org/wiki/Deuterium Deuterium (heavy hydrogen) from Wikipedia]</ref> ]]
'''Deuterium''',<br/>
an [[UCI]] compatible chess engine by [[Ferdinand Mosca]], initially based on [[TSCP]] or Tom's Simple Chess Program by [[Tom Kerrigan]].
With version 14.2.33.276, released in June 2014, the former [[Chess Engine Communication Protocol]] compliance was superseded by [[UCI]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=52710 Deuterium v14.2.33.276 released] by [[Ferdinand Mosca]], [[CCC]], June 21, 2014</ref>.
=Features=
<ref>based on [https://sites.google.com/site/deuteriumengine/ Deuterium Homepage] and Deuterium v14.3.34.130 readme.txt</ref>
==[[Board Representation]]==
* [[8x8 Board]]
* [[Piece-Lists]]
==[[Search]]==
* [[Iterative Deepening]]
* [[Aspiration Windows]]
* [[Fail-Soft]]
* [[NegaScout]]
* [[Transposition Table]]
* [[Selectivity]]
** [[Null Move Pruning]]
** [[History Leaf Pruning|Move History/Statistics Pruning]]
** [[Futility Pruning]]
** [[Late Move Reductions]]
** [[Razoring]]
* [[Move Ordering]]
** [[Static Exchange Evaluation]]
** [[Killer Heuristic]]
** [[History Heuristic]]
** [[Countermove Heuristic]]
==[[Evaluation]]==
* [[Material]]
* [[Evaluation Hash Table]]
* [[Piece-Square Tables]]
* [[Pawn Structure]]
* [[Pawn Hash Table]]
* [[Outposts]]
* [[Mobility]]
* [[King Safety]]
* [[Automated Tuning]]
==Misc==
* [[PolyGlot|PolyGlot Opening Book]]
* [[Scorpio Bitbases|6-men Scorpio Bitbases]]
=Tournament Play=
Deuterium participated at most [[ACCA World Computer Rapid Chess Championship|ACCA World Computer Rapid Chess Championships]], first in [[WCRCC 2007|2007]], as well as most recent [[CCT Tournaments]] since [[CCT11]]. Over the board, Deuterium became third at the [[CCC 2009]] 4th Chess Computer Cup in [https://en.wikipedia.org/wiki/Carugate Carugate], [https://en.wikipedia.org/wiki/Italy Italy], where it also played the [[IOCSC 2010|1st Italian Open Chess Software Cup]] in 2010.
=Selected Games=
[[CCT14]], round 5, [[Deuterium]] - [[Pandix]]
<pre>
[Event "CCT14"]
[Site "Internet Chess Club"]
[Date "2012.02.26"]
[Round "5"]
[White "Deuterium"]
[Black "Pandix"]
[Result "1/2-1/2"]
1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 b6 8.Be2 Bb7
9.Bxf6 Bxf6 10.cxd5 exd5 11.b4 c6 12.O-O Qd6 13.a3 Be7 14.Bd3 a5 15.b5 c5
16.e4 Nd7 17.Re1 cxd4 18.Nxd4 Bf6 19.Nf5 Qe5 20.Nxd5 Qxa1 21.Nxh6+ Kh8
22.Nxf7+ Kg8 23.Nh6+ Kh8 24.Nf7+ Kg8 25.Nh6+ Kh8 26.Nf7+ 1/2-1/2
</pre>
=Forum Posts=
==2009==
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=31177 Deuterium] by [[Swaminathan Natarajan]], [[CCC]], December 21, 2009 » [[Strategic Test Suite]]
: [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=31177&start=7 Re: Deuterium] by [[Ferdinand Mosca]], [[CCC]], December 23, 2009
==2010 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=35476 WCRCC 2010 - Deuterium Games] by [[Ferdinand Mosca]], [[CCC]], July 17, 2010 » [[WCRCC 2010]]
* [http://www.talkchess.com/forum/viewtopic.php?t=36716 Deuterium v10.01.27.213 Released] by [[Ferdinand Mosca]], [[CCC]], November 15, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=38672 Deuterium v11.01.28.159 released] by [[Ferdinand Mosca]], [[CCC]], April 06, 2011
* [http://www.talkchess.com/forum/viewtopic.php?t=39848 2011 Fifth Annual ACCA WCRCC: Deuterium games] by [[Ferdinand Mosca]], [[CCC]], July 24, 2011 » [[WCRCC 2011]]
* [http://www.talkchess.com/forum/viewtopic.php?t=41450 Deuterium update and other engines] by [[Ferdinand Mosca]], [[CCC]], December 14, 2011
* [http://www.talkchess.com/forum/viewtopic.php?t=48912 Deuterium v13.1.31.113 released] by [[Ferdinand Mosca]], [[CCC]], August 10, 2013
* [http://www.talkchess.com/forum/viewtopic.php?t=52710 Deuterium v14.2.33.276 released] by [[Ferdinand Mosca]], [[CCC]], June 21, 2014
==2015 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=55115 Nirvanachess, Deuterium and EXchess are on the way!] by [[Frank Quisinsky]], [[CCC]], January 27, 2015
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=67578 Deuterium 2018 released] by [[Ferdinand Mosca]], [[CCC]], May 27, 2018
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=69721 Deuterium v2019.1 released] by [[Ferdinand Mosca]], [[CCC]], January 25, 2019
=External Links=
==Chess Engine==
* [https://sites.google.com/view/deuterium-chess/home Deuterium Chess]
* [https://sites.google.com/site/deuteriumengine/ Deuterium Homepage]
* [http://ccrl.chessdom.com/ccrl/4040/cgi/compare_engines.cgi?family=Deuterium&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 Deuterium] in [[CCRL|CCRL 40/40]]
==Misc==
* [https://en.wikipedia.org/wiki/Deuterium Deuterium (heavy hydrogen) from Wikipedia]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:UCI]]
