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'''Uri Blass''',<br/>
an Israeli mathematician, chess and [https://en.wikipedia.org/wiki/Correspondence_chess correspondence chess] player, and computer chess programmer.
Uri Blass received his Ph.D. in [https://en.wikipedia.org/wiki/Discrete_mathematics discrete mathematics] at [https://en.wikipedia.org/wiki/Tel_Aviv_University Tel Aviv University] in 2002 on the topic of [https://en.wikipedia.org/wiki/Hamming_bound Hamming bounds] in [https://en.wikipedia.org/wiki/Coding_theory coding theoryCovering_code covering codes] under advisor [[Mathematician#SLitsyn|Simon Litsyn]] <ref>[https://www.eng.tau.ac.il/~litsyn/taucv08.pdf Simon Litsyn, Ph.D CV] (pdf)</ref>.Along with [[Aviezri Fraenkel]], he worked on [https://en.wikipedia.org/wiki/Combinatorial_game_theory combinatorial game theory], publishing on [https://en.wikipedia.org/wiki/Wythoff%27s_game Wythoff's game] and the game of [https://en.wikipedia.org/wiki/Nim Nim]. In 2011, Uri Blass was awarded with the [https://en.wikipedia.org/wiki/International_Correspondence_Chess_Grandmaster International Correspondence Chess Grand Master] title by the [https://en.wikipedia.org/wiki/International_Correspondence_Chess_Federation ICCF] <ref>[https://www.iccf.com/PlayerDetails.aspx?id=270233 ICCF Player Details - Uri Blass]</ref>.
As active poster in [[Computer Chess Forums]], Uri asked first questions on how to develop a chess program in the late 90s <ref>[https://www.stmintz.com/ccc/index.php?id=16921 how to develop a chess program?] by [[Uri Blass]], [[CCC]], April 14, 1998</ref>, and became an [https://en.wikipedia.org/wiki/Autodidacticism autodidact] chess programmer, to release his chess engine [[Movei]] in 2002 <ref>[https://www.stmintz.com/ccc/index.php?id=229271 my program movei is released] by [[Uri Blass]], [[CCC]], May 12, 2002</ref>.
More recently, Uri Blass contributed to the [[Stockfish]] development <ref>[https://github.com/official-stockfish/Stockfish/issues/1380 Stockfish: call for contributor's full name :-) · Issue #1380 · official-stockfish/Stockfish · GitHub]</ref>.
<ref>[https://dblp.uni-trier.de/pers/hd/b/Blass:Uri.html dblp: Uri Blass]</ref>
==1990 ...==
* [[Uri Blass]], [[Aviezri Fraenkel]] ('''1990'''). ''The Sprague-Grundy Function for Wythoff's Game''. [https://en.wikipedia.org/wiki/Theoretical_Computer_Science_(journal) Theoretical Computer Science], Vol. 75, No . 3. <ref>[https://en.wikipedia.org/wiki/Sprague%E2%80%93Grundy_theorem Sprague–Grundy theorem from Wikipedia]</ref> <ref>[https://en.wikipedia.org/wiki/Wythoff%27s_game Wythoff's game from Wikipedia]</ref>
* [[Uri Blass]], [[Mathematician#SLitsyn|Simon Litsyn]] ('''1998'''). ''[https://ieeexplore.ieee.org/document/705582 Several new lower bounds on the size of codes with covering radius one]''. [[IEEE#TIT|IEEE Transactions on Information Theory]], Vol. 44, No. 5
* [[Uri Blass]], [[Mathematician#SLitsyn|Simon Litsyn]] ('''1998'''). ''Several new lower bounds for football pool systems''. [https://en.wikipedia.org/wiki/Ars_Combinatoria_(journal) Ars Combinatoria], Vol. 50, [https://pdfs.semanticscholar.org/8ba2/840086bd1f91780087e2b3c81eab9fee9689.pdf pdf]<ref>[https://en.wikipedia.org/wiki/Football_pools Football pools from Wikipedia]</ref>
* [[Uri Blass]], [[Aviezri Fraenkel]], [https://dblp.uni-trier.de/pers/hd/g/Guelman:Romina Romina Guelman] ('''1998'''). ''How Far Can Nim in Disguise be Stretched?'' [https://en.wikipedia.org/wiki/Journal_of_Combinatorial_Theory Journal of Combinatorial Theory], Series A, Vol. 84, [https://arxiv.org/abs/math/9809079 arXiv:math/9809079]
* [[Uri Blass]], [[Mathematician#JHonkala|Iiro Honkala]], [[Mathematician#SLitsyn|Simon Litsyn]] ('''1999'''). ''[https://link.springer.com/chapter/10.1007/3-540-46796-3_14 On the Size of Identifying Codes]''. [https://dblp.uni-trier.de/db/conf/aaecc/aaecc1999.html AAECC 1999], [https://en.wikipedia.org/wiki/Springer_Science%2BBusiness_Media Springer]
* [https://www.stmintz.com/ccc/index.php?id=16367 some questions about computer chess programs] by [[Uri Blass]], [[CCC]], April 01, 1998
* [https://www.stmintz.com/ccc/index.php?id=16921 how to develop a chess program?] by [[Uri Blass]], [[CCC]], April 14, 1998
* [https://www.stmintz.com/ccc/index.php?id=24282 questions about singular extensions] by [[Uri Blass]], [[CCC]], August 09, 1998 » [[Singular Extensions]]
* [https://www.stmintz.com/ccc/index.php?id=35340 Can Alybadix or Gustav solve this studies] by [[Uri Blass]], [[CCC]], December 10, 1998 » [[Alybadix]], [[Gustav]]
* [https://www.stmintz.com/ccc/index.php?id=49261 50 move rule question] by [[Uri Blass]], [[CCC]], April 20, 1999 » [[Draw]]
==2000 ...==
* [https://www.stmintz.com/ccc/index.php?id=133811 Re: King, rook pawn and wrong bishop endgames] by [[Uri Blass]], [[CCC]], October 18, 2000 » [[Wrong Color Bishop and Rook Pawn]]* [https://www.stmintz.com/ccc/index.php?id=146691 learning to tune parameters by comp-comp games] by [[Uri Blass]], [[CCC]], December 28, 2000 » [[Automated Tuning]]'''2001'''* [https://www.stmintz.com/ccc/index.php?id=162576 Genius2 is clearly a legal free program] by [[Uri Blass]], [[CCC]], April 09, 2001 » [[Chess Genius]]* [https://www.stmintz.com/ccc/index.php?id=192011 BELCT 2001 discussion of the game zarkov-yace] by [[Uri Blass]], [[CCC]], October 05, 2001 » [[BELCT 2001]]* [https://www.stmintz.com/ccc/index.php?id=198498 Who is the champion in calculating perft?] by [[Uri Blass]], [[CCC]], November 22, 2001 » [[Perft]]'''2002'''* [https://www.stmintz.com/ccc/index.php?id=212683 The probability to find better move is simply irrelevant for diminishing returns] by [[Uri Blass]], [[CCC]], February 09, 2002 » [[Depth#DiminishingReturns|Diminishing Returns]]* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=37030 question about opening book and learning] by [[Uri Blass]], [[Computer Chess Forums|Winboard Forum]], April 26, 2002 » [[Book Learning]]* [https://www.stmintz.com/ccc/index.php?id=226258 question about book and learning] by [[Uri Blass]], [[CCC]], April 26, 2002» [[Book Learning]]* [https://www.stmintz.com/ccc/index.php?id=229271 my program movei is released] by [[Uri Blass]], [[CCC]], May 12, 2002» [[Movei]]
* [https://www.stmintz.com/ccc/index.php?id=235364 Re: Did Uri write movei? (yes)] by [[Uri Blass]], [[CCC]], June 13, 2002
* [https: //www.stmintz.com/ccc/index.php?id=246431 positions when deep thought blundered] by [[Uri Blass]], [[CCC]], August 20, 2002 » [[Deep Thought]]* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=39184 what is the importance of the ping command?] by [[Uri Blass]], [[Computer Chess Forums|Winboard Forum]], September 24, 2002 » [[Chess Engine Communication Protocol|CECP]]* [https://www.stmintz.com/ccc/index.php?id=235379 Re271055 how to detect information about pawn structure based on bitboard] by [[Uri Blass]], [[CCC]], December 17, 2002 » [[Pawn Pattern and Properties]]'''2003'''* [https: Did Uri write movei//www.stmintz.com/ccc/index.php? id=275173 a question about the definition of winning capture in Rebel(yesdiagrams)] by [[Dann CorbitUri Blass]], [[CCC]], June 13January 05, 20022003 » [[Captures]]
* [https://www.stmintz.com/ccc/index.php?id=292140 some questions about chess programs and money] by [[Uri Blass]], [[CCC]], April 07, 2003
* [https://www.stmintz.com/ccc/index.php?id=314386 The key of pawn hash tables is based on what exactly?] by [[Uri Blass]], [[CCC]], September 06, 2003 » [[Pawn Hash Table]]
* [https://www.stmintz.com/ccc/index.php?id=319187 a question to Tord about detecting threats in null move] by [[Uri Blass]], [[CCC]], October 03, 2003 » [[Null Move Pruning#ThreatDetection|Threat Detection]]
'''2004'''
* [https://www.stmintz.com/ccc/index.php?id=341658 Does swap of Crafty find bad promotions] by [[Uri Blass]], [[CCC]], January 11, 2004 » [[SEE - The Swap Algorithm|SEE - Swap]], [[Crafty]]
* [https://www.stmintz.com/ccc/index.php?id=367829 movei book progress report] by [[Uri Blass]], [[CCC]], May 28, 2004
* [https://www.stmintz.com/ccc/index.php?id=376346 I think that woodpusher is the surprise of the tournament] by [[Uri Blass]], [[CCC]], July 13, 2004 » [[Woodpusher]], [[WCCC 2004]]
* [https://www.stmintz.com/ccc/index.php?id=378332 missing a win or fortress?] by [[Uri Blass]], [[CCC]], July 21, 2004 » [[Fortress]]
* [https://www.stmintz.com/ccc/index.php?id=378815 chessbase is selling free engines] by [[Uri Blass]], [[CCC]], July 25, 2004 » [[ChessBase#YoungTalents|Young Talents]]
* [https://www.stmintz.com/ccc/index.php?id=378905 question about fixing the time management of movei] by [[Uri Blass]], [[CCC]], July 25, 2004 » [[Time Management]], [[Movei]]
==2005 ...==
* [https://www.stmintz.com/ccc/index.php?id=412540 Movei report in CCT7:first day] by [[Uri Blass]], [[CCC]], February 19, 2005 » [[CCT7]]
* [https://www.stmintz.com/ccc/index.php?id=459424 I need testers for testing movei personalities in test suites] by [[Uri Blass]], [[CCC]], November 03, 2005
* [https://www.stmintz.com/ccc/index.php?id=467574 Rybka(1 plies)-Movei(3 plies) 10-10 in the nunn match] by [[Uri Blass]], [[CCC]], December 06, 2005 » [[Rybka]]
'''2006'''
* [https://www.stmintz.com/ccc/index.php?id=476082 Movei-Gerbil in rhe endgame suite 20.5-9.5 and could be 21.5-8.5] by [[Uri Blass]], [[CCC]], January 01, 2006 » [[Gerbil]]
* [http://www.open-aurec.com/wbforum/viewtopic.php?t=5194 LMR question] by [[Uri Blass]], [[Computer Chess Forums|Winboard Programming Forum]], July 13, 2006 » [[Late Move Reductions|LMR]]
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=4&t=5579 supporting FRC questions] by [[Uri Blass]], [[Computer Chess Forums|Winboard Forum]], September 13, 2006 » [[Chess960]]
'''2007'''
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=12893 is there a test suite for avoiding opening traps] by [[Uri Blass]], [[CCC]], April 06, 2007
* [http://www.talkchess.com/forum/viewtopic.php?t=13673 About pawn hash tables] by [[Uri Blass]], [[CCC]], May 10, 2007 » [[Pawn Hash Table]]
* [http://www.talkchess.com/forum/viewtopic.php?t=13800 a beat b,b beat c,c beat a question] by [[Uri Blass]], [[CCC]], May 16, 2007 » [[Engine Testing]], [[Playing Strength]]
* [http://www.talkchess.com/forum/viewtopic.php?t=13969 question about symmertic evaluation] by [[Uri Blass]], [[CCC]], May 23, 2007 » [[Evaluation]]
* [http://www.talkchess.com/forum/viewtopic.php?t=15505 fail high handling with tranposition tables] by [[Uri Blass]], [[CCC]], August 01, 2007 » [[Transposition Table]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=15985 Rybka's knowledge] by [[Uri Blass]], [[CCC]], August 23, 2007 » [[Rybka]]
* [http://www.talkchess.com/forum/viewtopic.php?t=16414 discovered check definition] by [[Uri Blass]], [[CCC]], September 12, 2007 » [[Discovered Check]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=16819 About strelka1.8 sources] by [[Uri Blass]], [[CCC]], October 01, 2007 » [[Strelka]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=17055 About the code of strelka] by [[Uri Blass]], [[CCC]], October 10, 2007
* [http://www.talkchess.com/forum/viewtopic.php?t=17138 BitBoard representations of the board] by [[Uri Blass]], [[CCC]], October 14, » 2007 [[Bitboards]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=17260 Fruit2.3.1 stalemate bug] by [[Uri Blass]], [[CCC]], October 21, 2007 » [[Fruit]], [[Stalemate]]
'''2008'''
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=20028 Strelka cannot see mate in 1] by [[Uri Blass]], [[CCC]], March 06, 2008 » [[Strelka]]
* [http://www.talkchess.com/forum/viewtopic.php?t=21261 programming gui questions] by [[Uri Blass]], [[CCC]], May 20, 2008 » [[GUI]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=22540 Fritz10 in correspondence chess question] by [[Uri Blass]], [[CCC]], July 24, 2008
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=23157 Rybka in the nolot suite] by [[Uri Blass]], [[CCC]], August 21, 2008 » [[Rybka]], [[The Nolot Suite]]
'''2009'''
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=26883 stockfish question] by [[Uri Blass]], [[CCC]], March 06, 2009
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=29169 A question about the best hardware for chess today] by [[Uri Blass]], [[CCC]], July 30, 2009
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=30499 what is the speed difference between humans and computers] by [[Uri Blass]], [[CCC]], November 06, 2009
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=30772 morality and legality of dowloading robbolito] by [[Uri Blass]], [[CCC]], November 24, 2009 » [[RobboLito]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=31108 7 piece tablebase question] by [[Uri Blass]], [[CCC]], December 16, 2009
* [http://www.talkchess.com/forum/viewtopic.php?t=31369 Did people try replacing LMR by pruning] by [[Uri Blass]], [[CCC]], December 31, 2009 » [[Late Move Reductions|LMR]]
==2010 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=34702 stockfish's unreliable evaluation] by [[Uri Blass]], [[CCC]], June 03, 2010 » [[Stockfish]]
* [http://www.talkchess.com/forum/viewtopic.php?t=36307 mobility evaluation of stockfish] by [[Uri Blass]], [[CCC]], October 09, 2010 » [[Mobility]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=37144 nolot number 3 again] by [[Uri Blass]], [[CCC]], December 18, 2010 » [[The Nolot Suite]]
* [http://www.talkchess.com/forum/viewtopic.php?t=37205 effective branching factor of chess programs] by [[Uri Blass]], [[CCC]], December 21, 2010 » [[Branching Factor]]
'''2011'''
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=37617 a hard test position for computers that I composed] by [[Uri Blass]], [[CCC]], January 14, 2011
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=38465 human computers and the time factor] by [[Uri Blass]], [[CCC]], March 18, 2011
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=39117 Finding equivalent times for different engines] by [[Uri Blass]], [[CCC]], May 19, 2011
'''2012'''
* [http://www.talkchess.com/forum/viewtopic.php?t=42512 estimating the number of possible stalemates in perft(n)] by [[Uri Blass]], [[CCC]], February 18, 2012 » [[Perft]], [[Stalemate]]
* [http://www.talkchess.com/forum/viewtopic.php?t=42841 optimal aspiration window for stockfish question] by [[Uri Blass]], [[CCC]], March 12, 2012 » [[Aspiration Windows]], [[Stockfish]]
* [http://www.talkchess.com/forum/viewtopic.php?t=45768 houdini3 search and mate scores] by [[Uri Blass]], [[CCC]], October 29, 2012 » [[Houdini]]
'''2013'''
* [http://www.talkchess.com/forum/viewtopic.php?t=47161 important ideas in chess programming] by [[Uri Blass]], [[CCC]], February 08, 2013
* [http://www.talkchess.com/forum/viewtopic.php?t=50194 evaluating tablebases draws] by [[Uri Blass]], [[CCC]], November 23, 2013 » [[Endgame Tablebases]], [[Draw Evaluation]]
'''2014'''
* [http://www.talkchess.com/forum/viewtopic.php?t=51063 Movei, The Baron, and TSCP] by [[Uri Blass]], [[CCC]], January 23, 2014 » [[Movei]], [[The Baron]], [[TSCP]]
* [http://www.talkchess.com/forum/viewtopic.php?t=51054 maximal ply that programs need today] by [[Uri Blass]], [[CCC]], January 26, 2014 » [[Ply]]
* [http://www.talkchess.com/forum/viewtopic.php?t=51129 fixing the null move search "bug"] by [[Uri Blass]], [[CCC]], February 01, 2014 » [[Null Move Pruning]], [[Stockfish]]
* [http://www.talkchess.com/forum/viewtopic.php?t=51264 selective depth definition] by [[Uri Blass]], [[CCC]], February 13, 2014 » [[Stockfish]]
==2015 ...==
* [https://groups.google.com/d/msg/fishcooking/mVCjmYt2jCM/ui1SOrTUDAAJ lazy_smp]] by [[Uri Blass]], [[Computer Chess Forums|Fishcooking]], October 18, 2015 » [[Stockfish]], [[Lazy SMP]]
* [http://www.talkchess.com/forum/viewtopic.php?t=58882 Using more than 1 thread in C beginner question] by [[Uri Blass]], [[CCC]], January 11, 2016 » [[C]], [[Thread]]
* [http://www.talkchess.com/forum/viewtopic.php?t=61315 Adding a random small number to the evaluation function] by [[Uri Blass]], [[CCC]], September 03, 2016 » [[Search with Random Leaf Values]]
* [http://www.talkchess.com/forum/viewtopic.php?t=65403 comparing between search or evaluation] by [[Uri Blass]], [[CCC]], October 09, 2017 » [[Evaluation]], [[Search]]
'''2018'''
* [http://www.talkchess.com/forum/viewtopic.php?t=66413 replace the evaluation by playing against yourself] by [[Uri Blass]], [[CCC]], January 25, 2018 » [[Evaluation]], [[Fortress]]
* [https://groups.google.com/d/msg/fishcooking/nqgLNUfjkok/gfMr7amXCAAJ Wrong use of SPRT] by [[Uri Blass]], [[Computer Chess Forums|FishCooking]], February 09, 2018 » [[Contempt Factor]], [[Match Statistics#SPRT|SPRT]]
* [http://www.talkchess.com/forum/viewtopic.php?t=66680 Is there a program to build opening books based on engines?] by [[Uri Blass]], [[CCC]], February 23, 2018 » [[Opening Book]]
* [http://www.talkchess.com/forum/viewtopic.php?t=66686 about using winboard] by [[Uri Blass]], [[CCC]], February 25, 2018 » [[WinBoard]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=71081 evaluation that usually go up when you are winning] by [[Uri Blass]], [[CCC]], June 24, 2019
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=71127 Are there tools to create opening books] by [[Uri Blass]], [[CCC]], June 28, 2019
==2020 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=77544 what is the rating of engines when you do not count draws?] by [[Uri Blass]], [[CCC]], June 23, 2021 » [[Match Statistics]], [[Playing Strength]]
=External Links=
[[Category:Chess Player|Blass]]
[[Category:Chess Programmer|Blass]]
[[Category:Stockfish Contributor|Blass]]
