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Created page with "'''Home * People * Peter Österlund''' '''Peter Österlund''',<br/> a Swedish computer scientist and chess programmer. He is author of MLChess, a machin..."
'''[[Main Page|Home]] * [[People]] * Peter Österlund'''
'''Peter Österlund''',<br/>
a Swedish computer scientist and chess programmer. He is author of [[MLChess]], a machine language chess program for the [https://en.wikipedia.org/wiki/HP_48_series HP 48 series] of [https://en.wikipedia.org/wiki/Graphing_calculator Graphing calculators] <ref>[http://www.courbis.com/HP48-Machine-Language-A-Journey-to,134.html HP48 Machine Language - A Journey to the Center of the HP48 S / SX] by [https://en.wikipedia.org/wiki/Paul_Courbis Paul Courbis]</ref>, developed since 1995 <ref>[https://groups.google.com/d/msg/comp.sys.hp48/FWmYmytpmwg/R5mt8DCZlHcJ MLChess V1.01] by [[Peter Österlund]], [https://groups.google.com/forum/#!forum/comp.sys.hp48 comp.sys.hp48], December 17, 1995</ref> <ref>[http://hem.bredband.net/petero2b/mlchess/MLChess.txt MLChess.txt V1.14]</ref>, and the [[UCI]] compliant [[Java]] open source chess engine [[CuckooChess]], both under the [[Free Software Foundation#GPL|GPL]]. Peter Österlund further ported [[Stockfish]] to the [[Android]] platform, called [[DroidFish]], with [[GUI]] and [[Opening Book|opening book]] code, derived from CuckooChess <ref>[http://hem.bredband.net/petero2b/droidfish/index.html DroidFish - Strong chess program for the Android platform]</ref>.
=Texel=
In March 2012, Peter Österlund announced and published his new engine [[Texel]]. Texel 1.00 was functionally equivalent to an unreleased version of CuckooChess. The main difference is that Texel is written in [[Cpp|C++11]] instead of [[Java]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=42999 New chess engine: Texel] by [[Peter Österlund]], [[CCC]], March 24, 2012</ref>.
=See also=
* [[Texel's Tuning Method]]
=Forum Posts=
==1995 ...==
* [https://groups.google.com/d/msg/comp.sys.hp48/FWmYmytpmwg/R5mt8DCZlHcJ MLChess V1.01] by [[Peter Österlund]], [https://groups.google.com/forum/#!forum/comp.sys.hp48 comp.sys.hp48], December 17, 1995
* [https://groups.google.com/d/msg/comp.sys.hp48/hPZF-1AFo4E/0fb14iuzbjYJ MLChess 1.09] by [[Peter Österlund]], [https://groups.google.com/forum/#!forum/comp.sys.hp48 comp.sys.hp48], May 08, 1999
==2000 ...==
* [https://groups.google.com/d/msg/comp.sys.hp48/ZtVPbkjGZWs/IV06qlXTlvoJ MLChess V1.11 with experimental HP49 support] by [[Peter Österlund]], [https://groups.google.com/forum/#!forum/comp.sys.hp48 comp.sys.hp48], March 12, 2000
==2010 ...==
* [http://www.talkchess.com/forum/viewtopic.php?p=360726 Re: Revolutionizing handheld chess: Glaurung 2 for the iPhone] by [[Peter Österlund]], [[CCC]], July 08, 2010
* [http://www.talkchess.com/forum/viewtopic.php?p=419103 Summary of Monte Carlo results for perft(12) so far] by [[Peter Österlund]], [[CCC]], August 13, 2011
* [http://www.talkchess.com/forum/viewtopic.php?p=430593 CuckooChess 1.12] by [[Peter Österlund]], [[CCC]], October 24, 2011
* [http://www.talkchess.com/forum/viewtopic.php?t=42999 New chess engine: Texel] by [[Peter Österlund]], [[CCC]], March 24, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=43134 Elo versus speed] by [[Peter Österlund]], [[CCC]], April 02, 2012 » [[Depth#DiminishingReturns|Diminishing Returns]]
* [http://www.talkchess.com/forum/viewtopic.php?t=48752 Recursive DTS-like search algorithm] by [[Peter Österlund]], [[CCC]], July 24, 2013 » [[Parallel Search]], [[Recursion]]
* [http://www.talkchess.com/forum/viewtopic.php?t=48780 Time to depth measuring tool] by [[Peter Österlund]], [[CCC]], July 28, 2013 » [[Depth]], [[Parallel Search]]
* [http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=555522&t=50823 The texel evaluation function optimization algorithm] by [[Peter Österlund]], [[CCC]], January 31, 2014 » [[Automated Tuning]], [[Texel's Tuning Method]]
==2015 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=60833 How texel probes endgame tablebases] by [[Peter Österlund]], [[CCC]], July 16, 2016 » [[Gaviota Tablebases]], [[Syzygy Bases]], [[Texel]]
* [http://www.talkchess.com/forum/viewtopic.php?t=64824 Lazy SMP and "lazy cluster" experiments] by [[Peter Österlund]], [[CCC]], August 06, 2017 » [[Lazy SMP#LazyCluster|Lazy SMP - Lazy Cluster]]
: [http://www.talkchess.com/forum/viewtopic.php?t=64824&start=43 Approximate ABDADA] by [[Peter Österlund]], [[CCC]], August 23, 2017 » [[ABDADA]]
=External Links=
* [http://hem.bredband.net/petero2b/index.html Welcome to Peter Österlund's home page!]
* [http://hem.bredband.net/petero2b/javachess/index.html CuckooChess - A Java Chess Program]
* [https://market.android.com/developer?pub=Peter+%C3%96sterlund Apps von Peter Österlund - Android Market]
=References=
<references>
'''[[People|Up one level]]'''
'''Peter Österlund''',<br/>
a Swedish computer scientist and chess programmer. He is author of [[MLChess]], a machine language chess program for the [https://en.wikipedia.org/wiki/HP_48_series HP 48 series] of [https://en.wikipedia.org/wiki/Graphing_calculator Graphing calculators] <ref>[http://www.courbis.com/HP48-Machine-Language-A-Journey-to,134.html HP48 Machine Language - A Journey to the Center of the HP48 S / SX] by [https://en.wikipedia.org/wiki/Paul_Courbis Paul Courbis]</ref>, developed since 1995 <ref>[https://groups.google.com/d/msg/comp.sys.hp48/FWmYmytpmwg/R5mt8DCZlHcJ MLChess V1.01] by [[Peter Österlund]], [https://groups.google.com/forum/#!forum/comp.sys.hp48 comp.sys.hp48], December 17, 1995</ref> <ref>[http://hem.bredband.net/petero2b/mlchess/MLChess.txt MLChess.txt V1.14]</ref>, and the [[UCI]] compliant [[Java]] open source chess engine [[CuckooChess]], both under the [[Free Software Foundation#GPL|GPL]]. Peter Österlund further ported [[Stockfish]] to the [[Android]] platform, called [[DroidFish]], with [[GUI]] and [[Opening Book|opening book]] code, derived from CuckooChess <ref>[http://hem.bredband.net/petero2b/droidfish/index.html DroidFish - Strong chess program for the Android platform]</ref>.
=Texel=
In March 2012, Peter Österlund announced and published his new engine [[Texel]]. Texel 1.00 was functionally equivalent to an unreleased version of CuckooChess. The main difference is that Texel is written in [[Cpp|C++11]] instead of [[Java]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=42999 New chess engine: Texel] by [[Peter Österlund]], [[CCC]], March 24, 2012</ref>.
=See also=
* [[Texel's Tuning Method]]
=Forum Posts=
==1995 ...==
* [https://groups.google.com/d/msg/comp.sys.hp48/FWmYmytpmwg/R5mt8DCZlHcJ MLChess V1.01] by [[Peter Österlund]], [https://groups.google.com/forum/#!forum/comp.sys.hp48 comp.sys.hp48], December 17, 1995
* [https://groups.google.com/d/msg/comp.sys.hp48/hPZF-1AFo4E/0fb14iuzbjYJ MLChess 1.09] by [[Peter Österlund]], [https://groups.google.com/forum/#!forum/comp.sys.hp48 comp.sys.hp48], May 08, 1999
==2000 ...==
* [https://groups.google.com/d/msg/comp.sys.hp48/ZtVPbkjGZWs/IV06qlXTlvoJ MLChess V1.11 with experimental HP49 support] by [[Peter Österlund]], [https://groups.google.com/forum/#!forum/comp.sys.hp48 comp.sys.hp48], March 12, 2000
==2010 ...==
* [http://www.talkchess.com/forum/viewtopic.php?p=360726 Re: Revolutionizing handheld chess: Glaurung 2 for the iPhone] by [[Peter Österlund]], [[CCC]], July 08, 2010
* [http://www.talkchess.com/forum/viewtopic.php?p=419103 Summary of Monte Carlo results for perft(12) so far] by [[Peter Österlund]], [[CCC]], August 13, 2011
* [http://www.talkchess.com/forum/viewtopic.php?p=430593 CuckooChess 1.12] by [[Peter Österlund]], [[CCC]], October 24, 2011
* [http://www.talkchess.com/forum/viewtopic.php?t=42999 New chess engine: Texel] by [[Peter Österlund]], [[CCC]], March 24, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=43134 Elo versus speed] by [[Peter Österlund]], [[CCC]], April 02, 2012 » [[Depth#DiminishingReturns|Diminishing Returns]]
* [http://www.talkchess.com/forum/viewtopic.php?t=48752 Recursive DTS-like search algorithm] by [[Peter Österlund]], [[CCC]], July 24, 2013 » [[Parallel Search]], [[Recursion]]
* [http://www.talkchess.com/forum/viewtopic.php?t=48780 Time to depth measuring tool] by [[Peter Österlund]], [[CCC]], July 28, 2013 » [[Depth]], [[Parallel Search]]
* [http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=555522&t=50823 The texel evaluation function optimization algorithm] by [[Peter Österlund]], [[CCC]], January 31, 2014 » [[Automated Tuning]], [[Texel's Tuning Method]]
==2015 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=60833 How texel probes endgame tablebases] by [[Peter Österlund]], [[CCC]], July 16, 2016 » [[Gaviota Tablebases]], [[Syzygy Bases]], [[Texel]]
* [http://www.talkchess.com/forum/viewtopic.php?t=64824 Lazy SMP and "lazy cluster" experiments] by [[Peter Österlund]], [[CCC]], August 06, 2017 » [[Lazy SMP#LazyCluster|Lazy SMP - Lazy Cluster]]
: [http://www.talkchess.com/forum/viewtopic.php?t=64824&start=43 Approximate ABDADA] by [[Peter Österlund]], [[CCC]], August 23, 2017 » [[ABDADA]]
=External Links=
* [http://hem.bredband.net/petero2b/index.html Welcome to Peter Österlund's home page!]
* [http://hem.bredband.net/petero2b/javachess/index.html CuckooChess - A Java Chess Program]
* [https://market.android.com/developer?pub=Peter+%C3%96sterlund Apps von Peter Österlund - Android Market]
=References=
<references>
'''[[People|Up one level]]'''
