Jouni Uski

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Jouni Uski,

a Finnish chess and computer chess aficionado. He is tester, collector of test-positions, frequent poster in computer chess forums, and long term member in CCC, with interests in all aspects of chess engines, tournaments and mate solving [1]. In 1996 he reported on the Human vs. Computer Match in Finland, 1996 [2].

1996 …#

• Diminishing Returns in Search by Jouni Uski, rgcc, September 6, 1996 » Diminishing Returns
• Where is NEW Wchess? by Jouni Uski, rgcc, October 21, 1996 » WChess
• Assembler handtuning benefit by Jouni Uski, CCC, November 11, 1997 » Assembly
• Mate in 30 testposition for Rebel 9! by Jouni Uski, CCC, November 20, 1997 » Checkmate, Rebel
• Crafty and fastest Cray: question to Bob by Jouni Uski, CCC, December 01, 1997 » Crafty
• Is there really any good alternative to alfa-beta search? by Jouni Uski, CCC, June 09, 1998 » P.ConNerS
• Why is this position so difficult to the most programs? by Jouni Uski, CCC, August 10, 1998
• Is Your program falling in these traps (12 positions)? by Jouni Uski, CCC, September 23, 1998
• What does 32 bit engine really mean? by Jouni Uski, CCC, September 29, 1998
• Bob, please forget WAC testsuite in Crafty testing!! by Jouni Uski, CCC, October 11, 1998 » Crafty, WAC

And here is corrected ECM testsuite (15 wrong positions removed) by Jouni Uski, CCC, October 11, 1998 » Test-Positions

• 24 interesting endgame positions by Jouni Uski, CCC, October 12, 1998
• Here’s the suite by Jouni Uski, CCC, January 18, 1999
• Correction to Jouni’s endgame test by Jouni Uski, CCC, March 08, 1999
• WCCC and some NPS observations by Jouni Uski, CCC, June 23, 1999 » WCCC 1999, Nodes per Second
• What went wrong with P.Conners and Zugzwang in WCCC? by Jouni Uski, CCC, June 29, 1999 » WCCC 1999

2000 …#

• About PConners by Jouni Uski, CCC, July 25, 2000 » P.ConNerS
• Big Book Of Combinations (long post) by Jouni Uski, CCC, September 17, 2001
• About diminishing returns (Uri) by Jouni Uski, CCC, November 22, 2001 » Diminishing Returns
• what’s this “SMP time-to-ply measurement” ? (NT) by Jouni Uski, CCC, September 02, 2002 » Parallel Search
• About CHEST by Jouni Uski, CCC, September 18, 2002 » Chest
• In computer games 3-fold repetition should be AUTOMATICALLY draw! by Jouni Uski, CCC, November 30, 2003 » Repetitions
• Shredder 8 secret: search depth? by Jouni Uski, CCC, March 23, 2004 » Shredder, Depth

2005 …#

• Fruit2 = Ruffian with source code! by Jouni Uski, CCC, January 04, 2005 » Fruit
• Fruit 2 and endgame play by Jouni Uski, CCC, January 12, 2005
• Stunning Toga! by Jouni Uski, CCC, October 30, 2005
• Nunn openings by Jouni Uski, CCC, November 07, 2005
• Questions about disassembling by Jouni Uski, CCC, February 17, 2006
• Trivial alfa-beta question by Jouni Uski, CCC, February 18, 2006
• Is Toga still weaker than Fruit? by Jouni Uski, CCC, August 23, 2007
• Stunning Chest! by Jouni Uski, CCC, September 02, 2007 » Chest
• Definition of “endgame”? by Jouni Uski, CCC, January 30, 2008 » Endgame
• What is perft(x) exactly meaning? by Jouni Uski, CCC, April 06, 2009 » Perft

2010 …#

• Do You really need 1000s of games for testing? by Jouni Uski, CCC, November 04, 2010
• Yet Another Mate Solving Test by Jouni Uski, CCC, January 14, 2011
• What makes 1-cpu program un-deterministic? by Jouni Uski, CCC, September 06, 2011
• Beginner question about null-move by Jouni Uski, CCC, December 11, 2011
• Re: WCCC Paderborn 1999 by Jouni Uski, CCC, October 09, 2012 » WCCC 1999 - Videos
• Stockfish Syzygy: how to interpret mates? by Jouni Uski, CCC, December 01, 2013 » Stockfish, Syzygy Bases, Mate Scores
• Difficult ending for Stockfish by Jouni Uski, CCC, January 06, 2014 » Stockfish

2015 …#

• Stockfish 7 and partial 6 piece syzygy problem? by Jouni Uski, CCC, March 01, 2016 » Stockfish
• Stockfish testing at STC and LTC: one question by Jouni Uski, CCC, September 19, 2017
• Stockfish and serious hardware: 384 threads by Jouni Uski, CCC, July 08, 2018
• LCZero FAQ is missing one important fact by Jouni Uski, CCC, January 04, 2019 » Leela Chess Zero, GPU
• Really difficult mate by Jouni Uski, CCC, February 16, 2019
• Testposition EET/002 by Jouni Uski, CCC, September 18, 2019
• 50 move counter in FEN and GUIs by Jouni Uski, CCC, November 12, 2019 » Fifty-move Rule
• Stockfish search stops here after 99 plies, why? by Jouni Uski, CCC, November 14, 2019
• Graph History Interaction 2 questions by Jouni Uski, CCC, December 15, 2019 » Graph History Interaction

2020 …#

• Stockfish and latest +6 ELO patch! by Jouni Uski, CCC, March 05, 2020 » Distance, Stockfish [3]
• Is this SF NN almost like 20 MB book? by Jouni Uski, CCC, August 04, 2020 » Stockfish NNUE

Publications#

• Jouni Uski (1996). Human vs. Computer Action Chess Match - Finland. Computer Chess Reports Vol. 5 No. 3+4 pp. 8

External Links#

• Uski (46 endgame positions posted by Jouni Uski at CCC Forum)

References#

1. ↑ Yet Another Mate Solving Test by Jouni Uski, CCC, January 14, 2011
2. ↑ Jouni Uski (1996). Human vs. Computer Acttion Chess Match - Finland. Computer Chess Reports Vol. 5 No. 3+4 pp. 8
3. ↑ Use equations for PushAway and PushClose · official-stockfish/Stockfish@5a7b45e · GitHub

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