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Created page with "'''Home * People * Leonid Liberman''' '''Leonid Liberman''',<br/> a Canadian chess programmer and author of LL Chess <ref>[http://www.theparticle.com/ch..."
'''[[Main Page|Home]] * [[People]] * Leonid Liberman'''
'''Leonid Liberman''',<br/>
a Canadian chess programmer and author of [[LL Chess]] <ref>[http://www.theparticle.com/chess.html LL Chess Game - End of the World Production, LLC.]</ref>,
famous for posting turbulent [[Checkmate|mate in N]] [[Test-Positions#Leonid|positions]] in [[CCC]], forcing many engines to "[[Search Explosion#leonid|explode]]" even in [[Quiescence Search|quiescence search]].
In his publications on computer chess from the mid 90s, hosted by ''End of the World Production, LLC.'' <ref>[http://www.theparticle.com/corp_about_us.html About Us - End of the World Production, LLC.]</ref>,
he elaborates on [[x86]] [[Assembly|assembly]], [[Board Representation|board representation]], [[Pieces#PieceCoding|piece coding]] and [[Move Generation|move generation]], mate solving, and [[Point Value|point values]] <ref>[http://www.theparticle.com/chess000.html Chess Introduction] by [[Leonid Liberman]]</ref>.
=Forum Posts=
==1999==
* [https://www.stmintz.com/ccc/index.php?id=55179 nodes per ply] by [[Leonid Liberman|Leonid]], [[CCC]], June 10, 1999
* [https://www.stmintz.com/ccc/index.php?id=55521 hardware of Cray Blitz] by [[Leonid Liberman|Leonid]], [[CCC]], June 13, 1999 » [[Cray Blitz]]
* [https://www.stmintz.com/ccc/index.php?id=55912 Do you know something about INTEL 64 bits CPU?] by [[Leonid Liberman|Leonid]], [[CCC]], June 15, 1999
* [https://www.stmintz.com/ccc/index.php?id=59299 How really strong is ChessMaster 6000?] by [[Leonid Liberman|Leonid]], [[CCC]], July 03, 1999 » [[Chessmaster]]
* [https://www.stmintz.com/ccc/index.php?id=67695 Brute force base of good game. True or not true?] by [[Leonid Liberman|Leonid]], [[CCC]], September 07, 1999 » [[Brute-Force]]
* [https://www.stmintz.com/ccc/index.php?id=68832 What is the History table?] by [[Leonid Liberman|Leonid]], [[CCC]], September 15, 1999 » [[History Heuristic]]
* [https://www.stmintz.com/ccc/index.php?id=69483 Please, say in few words what can reduce the "branching factor"] by [[Leonid Liberman|Leonid]], [[CCC]], September 19, 1999 » [[Branching Factor]]
* [https://www.stmintz.com/ccc/index.php?id=69647 number of moves in position] by [[Leonid Liberman|Leonid]], [[CCC]], September 19, 1999
: [https://www.stmintz.com/ccc/index.php?id=69704 Re: number of moves in position] by [[Leonid Liberman|Leonid]], [[CCC]], September 21, 1999
* [https://www.stmintz.com/ccc/index.php?id=75923 Do have the Crafty the Assembler written core?] by [[Leonid Liberman|Leonid]], [[CCC]], November 01, 1999 » [[Crafty]]
* [https://www.stmintz.com/ccc/index.php?id=79074 Do you use illigal moves in the ply zero and 1?] by [[Leonid Liberman|Leonid]], [[CCC]], November 22, 1999
* [https://www.stmintz.com/ccc/index.php?id=79963 What will be the position of Windows in 3, 4 years in the future?] by [[Leonid Liberman|Leonid]], [[CCC]], November 29, 1999 » [[Windows]]
* [https://www.stmintz.com/ccc/index.php?id=80715 What chess projects we have in the States?] by [[Leonid Liberman|Leonid]], [[CCC]], December 04, 1999
* [https://www.stmintz.com/ccc/index.php?id=81355 How many plies in chess game before hash table have some sense?] by [[Leonid Liberman|Leonid]], [[CCC]], December 08, 1999
==2000==
* [https://www.stmintz.com/ccc/index.php?id=86662 What is the q-search?] by [[Leonid Liberman|Leonid]], [[CCC]], January 07, 2000 » [[Quiescence Search]]
* [https://www.stmintz.com/ccc/index.php?id=87191 What is the use of extensions?] by [[Leonid Liberman|Leonid]], [[CCC]], January 09, 2000 » [[Extensions]]
* [https://www.stmintz.com/ccc/index.php?id=96675 Mate in ...?] by [[Leonid Liberman|Leonid]], [[CCC]], February 12, 2000
* [https://www.stmintz.com/ccc/index.php?id=104182 Branching factor, make me confuse more that ever] by [[Leonid Liberman|Leonid]], [[CCC]], April 01, 2000
* [https://www.stmintz.com/ccc/index.php?id=114696 What is the average nodes per second for minimax?] by [[Leonid Liberman|Leonid]], [[CCC]], June 15, 2000 » [[Nodes per second]]
* [https://www.stmintz.com/ccc/index.php?id=114734 Is the NPS for minimax devided by NPS in alpha-beta = 5 ?] by [[Leonid Liberman|Leonid]], [[CCC]], June 16, 2000
* [https://www.stmintz.com/ccc/index.php?id=121111 Is the NPS tend to grow at the end of the game?] by [[Leonid Liberman|Leonid]], [[CCC]], July 22, 2000
* [https://www.stmintz.com/ccc/index.php?id=121789 How make Fritz execute brute force search?] by [[Leonid Liberman|Leonid]], [[CCC]], July 26, 2000 » [[Fritz]]
* [https://www.stmintz.com/ccc/index.php?id=122370 Junior chess program. Just version of Fritz 5?] by [[Leonid Liberman|Leonid]], [[CCC]], July 29, 2000 » [[Junior]]
* [https://www.stmintz.com/ccc/index.php?id=122854 How do your program search of all plys? Identical way?] by [[Leonid Liberman|Leonid]], [[CCC]], August 03, 2000
* [https://www.stmintz.com/ccc/index.php?id=122995 Attempt to understand Leonids nomenclature...] by Andrew Dados, [[CCC]], August 04, 2000
* [https://www.stmintz.com/ccc/index.php?id=127930 Two mate positions to solve] by [[Leonid Liberman|Leonid]], [[CCC]], September 02, 2000
* [https://www.stmintz.com/ccc/index.php?id=128470 Two mate position to solve] by [[Leonid Liberman|Leonid]], [[CCC]], September 06, 2000
==2001==
'''January'''
* [https://www.stmintz.com/ccc/index.php?id=150512 What shortest mate that you can find for this position?] by [[Leonid Liberman|Leonid]], [[CCC]], January 17, 2001
* [https://www.stmintz.com/ccc/index.php?id=150751 If you like to find a mate...] by [[Leonid Liberman|Leonid]], [[CCC]], January 18, 2001
* [https://www.stmintz.com/ccc/index.php?id=151169 If you want solve one mate...] by [[Leonid Liberman|Leonid]], [[CCC]], January 21, 2001
* [https://www.stmintz.com/ccc/index.php?id=151382 One easy mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], January 22, 2001
* [https://www.stmintz.com/ccc/index.php?id=151486 One average mate position...] by [[Leonid Liberman|Leonid]], [[CCC]], January 23, 2001
* [https://www.stmintz.com/ccc/index.php?id=151715 If you like to solve easy forced mate...] by [[Leonid Liberman|Leonid]], [[CCC]], January 24, 2001
* [https://www.stmintz.com/ccc/index.php?id=151908 If you like to solve average mate position...] by [[Leonid Liberman|Leonid]], [[CCC]], January 25, 2001
* [https://www.stmintz.com/ccc/index.php?id=152200 If you like to solve real mate...] by [[Leonid Liberman|Leonid]], [[CCC]], January 27, 2001
* [https://www.stmintz.com/ccc/index.php?id=152371 If you like to solve mate from real game...] by [[Leonid Liberman|Leonid]], [[CCC]], January 28, 2001
* [https://www.stmintz.com/ccc/index.php?id=152603 If you like forced mate...] by [[Leonid Liberman|Leonid]], [[CCC]], January 30, 2001
* [https://www.stmintz.com/ccc/index.php?id=152791 Forced mate position to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], January 31, 2001
'''February'''
* [https://www.stmintz.com/ccc/index.php?id=152923 If you like to solve a mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 01, 2001
* [https://www.stmintz.com/ccc/index.php?id=153440 Forced mate so solve...] by [[Leonid Liberman|Leonid]], [[CCC]], February 05, 2001
* [https://www.stmintz.com/ccc/index.php?id=153845 If you like to solve easy mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 08, 2001
* [https://www.stmintz.com/ccc/index.php?id=153950 If you like to solve a mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 09, 2001
* [https://www.stmintz.com/ccc/index.php?id=154066 If you like to crush easy mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 10, 2001
* [https://www.stmintz.com/ccc/index.php?id=154172 If you like to solve mate for light position...] by [[Leonid Liberman|Leonid]], [[CCC]], February 11, 2001
* [https://www.stmintz.com/ccc/index.php?id=154554 If you like to solve mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 14, 2001
* [https://www.stmintz.com/ccc/index.php?id=154658 If you like solving forced mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 15, 2001
* [https://www.stmintz.com/ccc/index.php?id=154766 If you like to solve one easy mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 16, 2001
'''March'''
* [https://www.stmintz.com/ccc/index.php?id=157090 Easy mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], March 04, 2001
* [https://www.stmintz.com/ccc/index.php?id=157810 If you like to sove a mate...] by [[Leonid Liberman|Leonid]], [[CCC]], March 10, 2001
'''April'''
* [https://www.stmintz.com/ccc/index.php?id=162940 If you are ready to solve one mate...] by [[Leonid Liberman|Leonid]], [[CCC]], April 11, 2001
* [https://www.stmintz.com/ccc/index.php?id=163025 If you like easy mate...] by [[Leonid Liberman|Leonid]], [[CCC]], April 12, 2001
* [https://www.stmintz.com/ccc/index.php?id=163310 If you want to solve one mate...] by [[Leonid Liberman|Leonid]], [[CCC]], April 14, 2001
* [https://www.stmintz.com/ccc/index.php?id=163779 If you enjoy like me solving mates...] by [[Leonid Liberman|Leonid]], [[CCC]], April 16, 2001
* [https://www.stmintz.com/ccc/index.php?id=164046 Mate that every program will solve...] by [[Leonid Liberman|Leonid]], [[CCC]], April 17, 2001
* [https://www.stmintz.com/ccc/index.php?id=165276 One mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], April 22, 2001
* [https://www.stmintz.com/ccc/index.php?id=165567 Mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], April 23, 2001
* [https://www.stmintz.com/ccc/index.php?id=166139 Mate that every program will find] by [[Leonid Liberman|Leonid]], [[CCC]], April 26, 2001
* [https://www.stmintz.com/ccc/index.php?id=166656 Mate to solve for champions...] by [[Leonid Liberman|Leonid]], [[CCC]], April 29, 2001
'''May'''
* [https://www.stmintz.com/ccc/index.php?id=167905 One mate to solve for fittest programs] by [[Leonid Liberman|Leonid]], [[CCC]], May 04, 2001
* [https://www.stmintz.com/ccc/index.php?id=168165 Very easy mate to solve] by [[Leonid Liberman|Leonid]], [[CCC]], May 05, 2001
* [https://www.stmintz.com/ccc/index.php?id=168263 One mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], May 06, 2001
* [https://www.stmintz.com/ccc/index.php?id=168487 Mate to solve in two flavous] by [[Leonid Liberman|Leonid]], [[CCC]], May 07, 2001
* [https://www.stmintz.com/ccc/index.php?id=168574 One mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], May 08, 2001
* [https://www.stmintz.com/ccc/index.php?id=169798 One mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], May 15, 2001
* [https://www.stmintz.com/ccc/index.php?id=170990 One very easy mate to solve] by [[Leonid Liberman|Leonid]], [[CCC]], May 21, 2001
* [https://www.stmintz.com/ccc/index.php?id=172464 One mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], May 30, 2001
'''June'''
* [https://www.stmintz.com/ccc/index.php?id=173071 One mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], June 02, 2001
* [https://www.stmintz.com/ccc/index.php?id=174004 Mate to solve for good program] by [[Leonid Liberman|Leonid]], [[CCC]], June 07, 2001
* [https://www.stmintz.com/ccc/index.php?id=175401 One mate to solve for Champion!] by [[Leonid Liberman|Leonid]], [[CCC]], June 16, 2001
'''July '''
* [https://www.stmintz.com/ccc/index.php?id=180081 One mate to solve] by [[Leonid Liberman|Leonid]], [[CCC]], July 17, 2001
* [https://www.stmintz.com/ccc/index.php?id=186841 One mate to sove for Champions!] by [[Leonid Liberman|Leonid]], [[CCC]], September 02, 2001
* [https://www.stmintz.com/ccc/index.php?id=191366 One mate to solve for Champions!] by [[Leonid Liberman|Leonid]], [[CCC]], October 02, 2001
* [https://www.stmintz.com/ccc/index.php?id=192655 A mate for Leonid] by [[Sven Reichard]], [[CCC]], October 10, 2001
* [https://www.stmintz.com/ccc/index.php?id=193165 Try this mate] by [[Leonid Liberman|Leonid]], [[CCC]], October 16, 2001
* [https://www.stmintz.com/ccc/index.php?id=193660 Try solve this mate] by [[Leonid Liberman|Leonid]], [[CCC]], October 21, 2001
* [https://www.stmintz.com/ccc/index.php?id=194491 Try this moderate mate] by [[Leonid Liberman|Leonid]], [[CCC]], October 27, 2001
* [https://www.stmintz.com/ccc/index.php?id=195515 One easy mate] by [[Leonid Liberman|Leonid]], [[CCC]], November 04, 2001
* [https://www.stmintz.com/ccc/index.php?id=203145 Very easy mate to solve] by [[Leonid Liberman|Leonid]], [[CCC]], December 22, 2001
==2002==
* [https://www.stmintz.com/ccc/index.php?id=229093 Where is now 64 bits Intel's computer?] by [[Leonid Liberman|Leonid]], [[CCC]], May 11, 2002
* [https://www.stmintz.com/ccc/index.php?id=243935 Find a mate] by [[Leonid Liberman|Leonid]], [[CCC]], August 03, 2002
* [https://www.stmintz.com/ccc/index.php?id=245026 One mate in 10 to solve] by [[Leonid Liberman|Leonid]], [[CCC]], August 10, 2002
* [https://www.stmintz.com/ccc/index.php?id=250639 One mate in 11] by [[Leonid Liberman|Leonid]], [[CCC]], September 07, 2002
* [https://www.stmintz.com/ccc/index.php?id=252069 Try to solve mate] by [[Leonid Liberman|Leonid]], [[CCC]], September 14, 2002
* [https://www.stmintz.com/ccc/index.php?id=255854 What is the future for Linux?] by [[Leonid Liberman|Leonid]], [[CCC]], October 03, 2002 » [[Linux]]
* [https://www.stmintz.com/ccc/index.php?id=263563 What new chip will come in the next year?] by [[Leonid Liberman|Leonid]], [[CCC]], November 06, 2002
==2003==
* [https://www.stmintz.com/ccc/index.php?id=289672 Where are 64 bits machine?] by [[Leonid Liberman|Leonid]], [[CCC]], March 17, 2003
* [https://www.stmintz.com/ccc/index.php?id=312759 Mate slightly harder] by [[Leonid Liberman|Leonid]], [[CCC]], August 25, 2003
* [https://www.stmintz.com/ccc/index.php?id=322476 Mate that should be easy] by [[Leonid Liberman|Leonid]], [[CCC]], October 19, 2003
* [https://www.stmintz.com/ccc/index.php?id=322581 Heavy mate position but easy to solve] by [[Leonid Liberman|Leonid]], [[CCC]], October 20, 2003
* [https://www.stmintz.com/ccc/index.php?id=325217 Mate to torture] by [[Leonid Liberman|Leonid]], [[CCC]], November 02, 2003
* [https://www.stmintz.com/ccc/index.php?id=325687 Try very easy mate] by [[Leonid Liberman|Leonid]], [[CCC]], November 04, 2003
* [https://www.stmintz.com/ccc/index.php?id=325879 Try to solve very populated mate] by [[Leonid Liberman|Leonid]], [[CCC]], November 05, 2003
* [https://www.stmintz.com/ccc/index.php?id=326086 Very easy mate] by [[Leonid Liberman|Leonid]], [[CCC]], November 06, 2003
==2005 ...==
* [https://www.stmintz.com/ccc/index.php?id=425067 Seeking for Leonid mates] by [[Matthias Gemuh]], [[CCC]], May 09, 2005
* [http://www.talkchess.com/forum/viewtopic.php?t=15251 Leonid's Megapage] by AGove, [[CCC]], July 20, 2007
==2010 ...==
* [http://immortalchess.net/forum/showthread.php?p=326071&langid=1 Leonid Chess Megapage] by kirchner, [[Computer Chess Forums|Immortal Chess Forum]], August 10, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=56455 Remember Leonid Liberman (author of LLCHESS)?] by [[Dann Corbit]], [[CCC]], May 23, 2015
=External Links=
* [http://www.theparticle.com/chess.html LL Chess Game - End of the World Production, LLC.]
* [http://www.theparticle.com/chess_readme.html Inevitable Mate Positions] by [[Leonid Liberman]]
* [http://www.theparticle.com/chess000.html Chess Introduction] by [[Leonid Liberman]]
* [http://www.theparticle.com/chess001.html Procedure for finding the Check] by [[Leonid Liberman]]
* [http://www.theparticle.com/chess002.html New Ideas] by [[Leonid Liberman]]
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Programmer|Liberman]]
'''Leonid Liberman''',<br/>
a Canadian chess programmer and author of [[LL Chess]] <ref>[http://www.theparticle.com/chess.html LL Chess Game - End of the World Production, LLC.]</ref>,
famous for posting turbulent [[Checkmate|mate in N]] [[Test-Positions#Leonid|positions]] in [[CCC]], forcing many engines to "[[Search Explosion#leonid|explode]]" even in [[Quiescence Search|quiescence search]].
In his publications on computer chess from the mid 90s, hosted by ''End of the World Production, LLC.'' <ref>[http://www.theparticle.com/corp_about_us.html About Us - End of the World Production, LLC.]</ref>,
he elaborates on [[x86]] [[Assembly|assembly]], [[Board Representation|board representation]], [[Pieces#PieceCoding|piece coding]] and [[Move Generation|move generation]], mate solving, and [[Point Value|point values]] <ref>[http://www.theparticle.com/chess000.html Chess Introduction] by [[Leonid Liberman]]</ref>.
=Forum Posts=
==1999==
* [https://www.stmintz.com/ccc/index.php?id=55179 nodes per ply] by [[Leonid Liberman|Leonid]], [[CCC]], June 10, 1999
* [https://www.stmintz.com/ccc/index.php?id=55521 hardware of Cray Blitz] by [[Leonid Liberman|Leonid]], [[CCC]], June 13, 1999 » [[Cray Blitz]]
* [https://www.stmintz.com/ccc/index.php?id=55912 Do you know something about INTEL 64 bits CPU?] by [[Leonid Liberman|Leonid]], [[CCC]], June 15, 1999
* [https://www.stmintz.com/ccc/index.php?id=59299 How really strong is ChessMaster 6000?] by [[Leonid Liberman|Leonid]], [[CCC]], July 03, 1999 » [[Chessmaster]]
* [https://www.stmintz.com/ccc/index.php?id=67695 Brute force base of good game. True or not true?] by [[Leonid Liberman|Leonid]], [[CCC]], September 07, 1999 » [[Brute-Force]]
* [https://www.stmintz.com/ccc/index.php?id=68832 What is the History table?] by [[Leonid Liberman|Leonid]], [[CCC]], September 15, 1999 » [[History Heuristic]]
* [https://www.stmintz.com/ccc/index.php?id=69483 Please, say in few words what can reduce the "branching factor"] by [[Leonid Liberman|Leonid]], [[CCC]], September 19, 1999 » [[Branching Factor]]
* [https://www.stmintz.com/ccc/index.php?id=69647 number of moves in position] by [[Leonid Liberman|Leonid]], [[CCC]], September 19, 1999
: [https://www.stmintz.com/ccc/index.php?id=69704 Re: number of moves in position] by [[Leonid Liberman|Leonid]], [[CCC]], September 21, 1999
* [https://www.stmintz.com/ccc/index.php?id=75923 Do have the Crafty the Assembler written core?] by [[Leonid Liberman|Leonid]], [[CCC]], November 01, 1999 » [[Crafty]]
* [https://www.stmintz.com/ccc/index.php?id=79074 Do you use illigal moves in the ply zero and 1?] by [[Leonid Liberman|Leonid]], [[CCC]], November 22, 1999
* [https://www.stmintz.com/ccc/index.php?id=79963 What will be the position of Windows in 3, 4 years in the future?] by [[Leonid Liberman|Leonid]], [[CCC]], November 29, 1999 » [[Windows]]
* [https://www.stmintz.com/ccc/index.php?id=80715 What chess projects we have in the States?] by [[Leonid Liberman|Leonid]], [[CCC]], December 04, 1999
* [https://www.stmintz.com/ccc/index.php?id=81355 How many plies in chess game before hash table have some sense?] by [[Leonid Liberman|Leonid]], [[CCC]], December 08, 1999
==2000==
* [https://www.stmintz.com/ccc/index.php?id=86662 What is the q-search?] by [[Leonid Liberman|Leonid]], [[CCC]], January 07, 2000 » [[Quiescence Search]]
* [https://www.stmintz.com/ccc/index.php?id=87191 What is the use of extensions?] by [[Leonid Liberman|Leonid]], [[CCC]], January 09, 2000 » [[Extensions]]
* [https://www.stmintz.com/ccc/index.php?id=96675 Mate in ...?] by [[Leonid Liberman|Leonid]], [[CCC]], February 12, 2000
* [https://www.stmintz.com/ccc/index.php?id=104182 Branching factor, make me confuse more that ever] by [[Leonid Liberman|Leonid]], [[CCC]], April 01, 2000
* [https://www.stmintz.com/ccc/index.php?id=114696 What is the average nodes per second for minimax?] by [[Leonid Liberman|Leonid]], [[CCC]], June 15, 2000 » [[Nodes per second]]
* [https://www.stmintz.com/ccc/index.php?id=114734 Is the NPS for minimax devided by NPS in alpha-beta = 5 ?] by [[Leonid Liberman|Leonid]], [[CCC]], June 16, 2000
* [https://www.stmintz.com/ccc/index.php?id=121111 Is the NPS tend to grow at the end of the game?] by [[Leonid Liberman|Leonid]], [[CCC]], July 22, 2000
* [https://www.stmintz.com/ccc/index.php?id=121789 How make Fritz execute brute force search?] by [[Leonid Liberman|Leonid]], [[CCC]], July 26, 2000 » [[Fritz]]
* [https://www.stmintz.com/ccc/index.php?id=122370 Junior chess program. Just version of Fritz 5?] by [[Leonid Liberman|Leonid]], [[CCC]], July 29, 2000 » [[Junior]]
* [https://www.stmintz.com/ccc/index.php?id=122854 How do your program search of all plys? Identical way?] by [[Leonid Liberman|Leonid]], [[CCC]], August 03, 2000
* [https://www.stmintz.com/ccc/index.php?id=122995 Attempt to understand Leonids nomenclature...] by Andrew Dados, [[CCC]], August 04, 2000
* [https://www.stmintz.com/ccc/index.php?id=127930 Two mate positions to solve] by [[Leonid Liberman|Leonid]], [[CCC]], September 02, 2000
* [https://www.stmintz.com/ccc/index.php?id=128470 Two mate position to solve] by [[Leonid Liberman|Leonid]], [[CCC]], September 06, 2000
==2001==
'''January'''
* [https://www.stmintz.com/ccc/index.php?id=150512 What shortest mate that you can find for this position?] by [[Leonid Liberman|Leonid]], [[CCC]], January 17, 2001
* [https://www.stmintz.com/ccc/index.php?id=150751 If you like to find a mate...] by [[Leonid Liberman|Leonid]], [[CCC]], January 18, 2001
* [https://www.stmintz.com/ccc/index.php?id=151169 If you want solve one mate...] by [[Leonid Liberman|Leonid]], [[CCC]], January 21, 2001
* [https://www.stmintz.com/ccc/index.php?id=151382 One easy mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], January 22, 2001
* [https://www.stmintz.com/ccc/index.php?id=151486 One average mate position...] by [[Leonid Liberman|Leonid]], [[CCC]], January 23, 2001
* [https://www.stmintz.com/ccc/index.php?id=151715 If you like to solve easy forced mate...] by [[Leonid Liberman|Leonid]], [[CCC]], January 24, 2001
* [https://www.stmintz.com/ccc/index.php?id=151908 If you like to solve average mate position...] by [[Leonid Liberman|Leonid]], [[CCC]], January 25, 2001
* [https://www.stmintz.com/ccc/index.php?id=152200 If you like to solve real mate...] by [[Leonid Liberman|Leonid]], [[CCC]], January 27, 2001
* [https://www.stmintz.com/ccc/index.php?id=152371 If you like to solve mate from real game...] by [[Leonid Liberman|Leonid]], [[CCC]], January 28, 2001
* [https://www.stmintz.com/ccc/index.php?id=152603 If you like forced mate...] by [[Leonid Liberman|Leonid]], [[CCC]], January 30, 2001
* [https://www.stmintz.com/ccc/index.php?id=152791 Forced mate position to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], January 31, 2001
'''February'''
* [https://www.stmintz.com/ccc/index.php?id=152923 If you like to solve a mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 01, 2001
* [https://www.stmintz.com/ccc/index.php?id=153440 Forced mate so solve...] by [[Leonid Liberman|Leonid]], [[CCC]], February 05, 2001
* [https://www.stmintz.com/ccc/index.php?id=153845 If you like to solve easy mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 08, 2001
* [https://www.stmintz.com/ccc/index.php?id=153950 If you like to solve a mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 09, 2001
* [https://www.stmintz.com/ccc/index.php?id=154066 If you like to crush easy mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 10, 2001
* [https://www.stmintz.com/ccc/index.php?id=154172 If you like to solve mate for light position...] by [[Leonid Liberman|Leonid]], [[CCC]], February 11, 2001
* [https://www.stmintz.com/ccc/index.php?id=154554 If you like to solve mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 14, 2001
* [https://www.stmintz.com/ccc/index.php?id=154658 If you like solving forced mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 15, 2001
* [https://www.stmintz.com/ccc/index.php?id=154766 If you like to solve one easy mate...] by [[Leonid Liberman|Leonid]], [[CCC]], February 16, 2001
'''March'''
* [https://www.stmintz.com/ccc/index.php?id=157090 Easy mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], March 04, 2001
* [https://www.stmintz.com/ccc/index.php?id=157810 If you like to sove a mate...] by [[Leonid Liberman|Leonid]], [[CCC]], March 10, 2001
'''April'''
* [https://www.stmintz.com/ccc/index.php?id=162940 If you are ready to solve one mate...] by [[Leonid Liberman|Leonid]], [[CCC]], April 11, 2001
* [https://www.stmintz.com/ccc/index.php?id=163025 If you like easy mate...] by [[Leonid Liberman|Leonid]], [[CCC]], April 12, 2001
* [https://www.stmintz.com/ccc/index.php?id=163310 If you want to solve one mate...] by [[Leonid Liberman|Leonid]], [[CCC]], April 14, 2001
* [https://www.stmintz.com/ccc/index.php?id=163779 If you enjoy like me solving mates...] by [[Leonid Liberman|Leonid]], [[CCC]], April 16, 2001
* [https://www.stmintz.com/ccc/index.php?id=164046 Mate that every program will solve...] by [[Leonid Liberman|Leonid]], [[CCC]], April 17, 2001
* [https://www.stmintz.com/ccc/index.php?id=165276 One mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], April 22, 2001
* [https://www.stmintz.com/ccc/index.php?id=165567 Mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], April 23, 2001
* [https://www.stmintz.com/ccc/index.php?id=166139 Mate that every program will find] by [[Leonid Liberman|Leonid]], [[CCC]], April 26, 2001
* [https://www.stmintz.com/ccc/index.php?id=166656 Mate to solve for champions...] by [[Leonid Liberman|Leonid]], [[CCC]], April 29, 2001
'''May'''
* [https://www.stmintz.com/ccc/index.php?id=167905 One mate to solve for fittest programs] by [[Leonid Liberman|Leonid]], [[CCC]], May 04, 2001
* [https://www.stmintz.com/ccc/index.php?id=168165 Very easy mate to solve] by [[Leonid Liberman|Leonid]], [[CCC]], May 05, 2001
* [https://www.stmintz.com/ccc/index.php?id=168263 One mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], May 06, 2001
* [https://www.stmintz.com/ccc/index.php?id=168487 Mate to solve in two flavous] by [[Leonid Liberman|Leonid]], [[CCC]], May 07, 2001
* [https://www.stmintz.com/ccc/index.php?id=168574 One mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], May 08, 2001
* [https://www.stmintz.com/ccc/index.php?id=169798 One mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], May 15, 2001
* [https://www.stmintz.com/ccc/index.php?id=170990 One very easy mate to solve] by [[Leonid Liberman|Leonid]], [[CCC]], May 21, 2001
* [https://www.stmintz.com/ccc/index.php?id=172464 One mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], May 30, 2001
'''June'''
* [https://www.stmintz.com/ccc/index.php?id=173071 One mate to solve...] by [[Leonid Liberman|Leonid]], [[CCC]], June 02, 2001
* [https://www.stmintz.com/ccc/index.php?id=174004 Mate to solve for good program] by [[Leonid Liberman|Leonid]], [[CCC]], June 07, 2001
* [https://www.stmintz.com/ccc/index.php?id=175401 One mate to solve for Champion!] by [[Leonid Liberman|Leonid]], [[CCC]], June 16, 2001
'''July '''
* [https://www.stmintz.com/ccc/index.php?id=180081 One mate to solve] by [[Leonid Liberman|Leonid]], [[CCC]], July 17, 2001
* [https://www.stmintz.com/ccc/index.php?id=186841 One mate to sove for Champions!] by [[Leonid Liberman|Leonid]], [[CCC]], September 02, 2001
* [https://www.stmintz.com/ccc/index.php?id=191366 One mate to solve for Champions!] by [[Leonid Liberman|Leonid]], [[CCC]], October 02, 2001
* [https://www.stmintz.com/ccc/index.php?id=192655 A mate for Leonid] by [[Sven Reichard]], [[CCC]], October 10, 2001
* [https://www.stmintz.com/ccc/index.php?id=193165 Try this mate] by [[Leonid Liberman|Leonid]], [[CCC]], October 16, 2001
* [https://www.stmintz.com/ccc/index.php?id=193660 Try solve this mate] by [[Leonid Liberman|Leonid]], [[CCC]], October 21, 2001
* [https://www.stmintz.com/ccc/index.php?id=194491 Try this moderate mate] by [[Leonid Liberman|Leonid]], [[CCC]], October 27, 2001
* [https://www.stmintz.com/ccc/index.php?id=195515 One easy mate] by [[Leonid Liberman|Leonid]], [[CCC]], November 04, 2001
* [https://www.stmintz.com/ccc/index.php?id=203145 Very easy mate to solve] by [[Leonid Liberman|Leonid]], [[CCC]], December 22, 2001
==2002==
* [https://www.stmintz.com/ccc/index.php?id=229093 Where is now 64 bits Intel's computer?] by [[Leonid Liberman|Leonid]], [[CCC]], May 11, 2002
* [https://www.stmintz.com/ccc/index.php?id=243935 Find a mate] by [[Leonid Liberman|Leonid]], [[CCC]], August 03, 2002
* [https://www.stmintz.com/ccc/index.php?id=245026 One mate in 10 to solve] by [[Leonid Liberman|Leonid]], [[CCC]], August 10, 2002
* [https://www.stmintz.com/ccc/index.php?id=250639 One mate in 11] by [[Leonid Liberman|Leonid]], [[CCC]], September 07, 2002
* [https://www.stmintz.com/ccc/index.php?id=252069 Try to solve mate] by [[Leonid Liberman|Leonid]], [[CCC]], September 14, 2002
* [https://www.stmintz.com/ccc/index.php?id=255854 What is the future for Linux?] by [[Leonid Liberman|Leonid]], [[CCC]], October 03, 2002 » [[Linux]]
* [https://www.stmintz.com/ccc/index.php?id=263563 What new chip will come in the next year?] by [[Leonid Liberman|Leonid]], [[CCC]], November 06, 2002
==2003==
* [https://www.stmintz.com/ccc/index.php?id=289672 Where are 64 bits machine?] by [[Leonid Liberman|Leonid]], [[CCC]], March 17, 2003
* [https://www.stmintz.com/ccc/index.php?id=312759 Mate slightly harder] by [[Leonid Liberman|Leonid]], [[CCC]], August 25, 2003
* [https://www.stmintz.com/ccc/index.php?id=322476 Mate that should be easy] by [[Leonid Liberman|Leonid]], [[CCC]], October 19, 2003
* [https://www.stmintz.com/ccc/index.php?id=322581 Heavy mate position but easy to solve] by [[Leonid Liberman|Leonid]], [[CCC]], October 20, 2003
* [https://www.stmintz.com/ccc/index.php?id=325217 Mate to torture] by [[Leonid Liberman|Leonid]], [[CCC]], November 02, 2003
* [https://www.stmintz.com/ccc/index.php?id=325687 Try very easy mate] by [[Leonid Liberman|Leonid]], [[CCC]], November 04, 2003
* [https://www.stmintz.com/ccc/index.php?id=325879 Try to solve very populated mate] by [[Leonid Liberman|Leonid]], [[CCC]], November 05, 2003
* [https://www.stmintz.com/ccc/index.php?id=326086 Very easy mate] by [[Leonid Liberman|Leonid]], [[CCC]], November 06, 2003
==2005 ...==
* [https://www.stmintz.com/ccc/index.php?id=425067 Seeking for Leonid mates] by [[Matthias Gemuh]], [[CCC]], May 09, 2005
* [http://www.talkchess.com/forum/viewtopic.php?t=15251 Leonid's Megapage] by AGove, [[CCC]], July 20, 2007
==2010 ...==
* [http://immortalchess.net/forum/showthread.php?p=326071&langid=1 Leonid Chess Megapage] by kirchner, [[Computer Chess Forums|Immortal Chess Forum]], August 10, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=56455 Remember Leonid Liberman (author of LLCHESS)?] by [[Dann Corbit]], [[CCC]], May 23, 2015
=External Links=
* [http://www.theparticle.com/chess.html LL Chess Game - End of the World Production, LLC.]
* [http://www.theparticle.com/chess_readme.html Inevitable Mate Positions] by [[Leonid Liberman]]
* [http://www.theparticle.com/chess000.html Chess Introduction] by [[Leonid Liberman]]
* [http://www.theparticle.com/chess001.html Procedure for finding the Check] by [[Leonid Liberman]]
* [http://www.theparticle.com/chess002.html New Ideas] by [[Leonid Liberman]]
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Programmer|Liberman]]
