Kai Laskos

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Kai Laskos

Kai Laskos,
a Romanian physicist and Ph.D. working on theoretical physics at IFIN HH, the Horia Hulubei National Institute of Physics and Nuclear Engineering in Bucharest. His recreational interests include classical music, history, anthropology, and computer chess and Go. His professional expertise in statistics made him a recognized computer chess and Go theorist in the field of match statistics in engine testing.

Forum Posts

2010 ...

2011

• Just stumbled upon an open-source free engine by Kai Laskos, CCC, January 21, 2011 » IvanHoe
• Top 5 engines. Large, 10,000 games test by Kai Laskos, CCC, April 06, 2011

2012

• Go questions by Kai Laskos, CCC, February 13, 2012 » Go
• Rybka odds matches and the strength of engines by Kai Laskos, CCC, June 09, 2012 » Rybka
• Playing with ponder hits by Kai Laskos, CCC, June 12, 2012 » Pondering
• EloStat, Bayeselo and Ordo by Kai Laskos, CCC, June 24, 2012 » EloStat, Bayeselo, Ordo
• Komodo strength v Houdini (branch salvaged) by Kai Laskos, CCC, July 25, 2012 » Komodo, Houdini
• 10 years of Computer Chess by Kai Laskos, CCC, November 08, 2012
• The scaling of Houdini 3 and Komodo 5 by Kai Laskos, CCC, November 08, 2012 » Houdini, Komodo
• Elo points gain from doubling time by Kai Laskos, CCC, December 10, 2012 » Komodo
• Engines performance for selected openings by Kai Laskos, CCC, December 23, 2012

2013

• Abnormality in women FIDE ratings by Kai Laskos, CCC, January 30, 2013
• Performances of engines in the Endgame by Kai Laskos, CCC, January 31, 2013
• Updated Dendrogram by Kai Laskos, CCC, February 02, 2013
• Effect of the Hash Table size by Kai Laskos, CCC, April 28, 2013 » Transposition Table
• Branching Factor of top engines by Kai Laskos, CCC, June 15, 2013 » Branching Factor
• Peculiarity of Komodo 5.1MP by Kai Laskos, CCC, June 19, 2013 » Komodo
• The influence of the length of openings by Kai Laskos, CCC, July 14, 2013
• Scaling at 2x nodes (or doubling time control) by Kai Laskos, CCC, July 23, 2013 » Doubling TC, Diminishing Returns, Playing Strength, Houdini
• Type I error in LOS based early stopping rule by Kai Laskos, CCC, August 06, 2013
• What happens using egbb by Kai Laskos, CCC, October 12, 2013 » Endgame Bitbases
• Houdini, much weaker engines, and Arpad Elo by Kai Laskos, CCC, November 29, 2013 » Houdini, Pawn Advantage, Win Percentage, and Elo
• STS and the scaling of Houdini and Stockfish by Kai Laskos, CCC, December 12, 2013 » Houdini, Stockfish

2014

• Stockfish seems definitely the strongest engine by Kai Laskos, CCC, January 21, 2014 » Stockfish
• Performance of Syzygy and Scorpio by Kai Laskos, CCC, February 04, 2014 » Syzygy Bases, Scorpio Bitbases
• Empirically 1 win + 1 loss ~ 2 draws by Kai Laskos, CCC, June 24, 2014
• Some fun with Komodo 8 by Kai Laskos, CCC, September 23, 2014 » Komodo 8, EBF
• Scaling with threads based on Andreas Strangmüller tests by Kai Laskos, CCC, October 24, 2014 » Andreas Strangmüller

2015 ...

• Ten years of Computer Chess revisited by Kai Laskos, CCC, March 13, 2015
• An attempt to measure the knowledge of engines by Kai Laskos, CCC, March 23, 2015
• Empirical results with Lazy SMP, YBWC, DTS by Kai Laskos, CCC, April 16, 2015 » Lazy SMP, YBWC, DTS
• Significant modification of Komodo SMP implementation by Kai Laskos, CCC, June 23, 2015 » Komodo
• A simple expression by Kai Laskos, CCC, December 09, 2015

2016

• Some properties of the Type I error in p-value stopping rule by Kai Laskos, CCC, March 01, 2016
• Type I error for p-value stopping: Balanced and Unbalanced by Kai Laskos, CCC, June 16, 2016
• Error margins via resampling (jackknifing) by Kai Laskos, CCC, August 12, 2016  » Statistical Analysis
• Properties of unbalanced openings using Bayeselo model by Kai Laskos, CCC, August 27, 2016 » Match Statistics, Opening Book
• Some hyperthreading results by Kai Laskos, CCC, September 12, 2016 » Lazy SMP, Thread, YBWC
• Stockfish underpromotes much more often than Komodo by Kai Laskos, CCC, October 05, 2016 » Komodo, Match Statistics, Promotions, Stockfish
• Differences between top engines related to "style" by Kai Laskos, October 07, 2016
• The scaling of Deep Learning MCTS Go engines by Kai Laskos, CCC, October 23, 2016 » Deep Learning, Go, MCTS
• Opening performance of engines by Kai Laskos, CCC, October 28, 2016 » Opening, Test-Positions
• Diminishing returns and hyperthreading by Kai Laskos, CCC, December 27, 2016 » Diminishing Returns, Match Statistics, Thread

2017

• Progress in 30 years by four intervals of 7-8 years by Kai Laskos, CCC, January 19, 2017 » Match Statistics, Playing Strength
• Higher than expected by me efficiency of Ponder ON by Kai Laskos, CCC, March 06, 2017 » Match Statistics, Pondering
• What can be said about 1 - 0 score? by Kai Laskos, CCC, March 28, 2017 » Match Statistics
• 6-men Syzygy from HDD and USB 3.0 by Kai Laskos, CCC, April 04, 2017 » Komodo, Playing Strength, Syzygy Bases, USB 3.0
• Scaling of engines from FGRL rating list by Kai Laskos, CCC, April 07, 2017 » FGRL
• Another attempt at comparing Evals ELO-wise by Kai Laskos, CCC, May 22, 2017 » Evaluation, Playing Strength
• Opening testing suites efficiency by Kai Laskos, CCC, June 21, 2017 » Engine Testing, Opening, Match Statistics
• Invariance with time control of rating schemes by Kai Laskos, CCC, July 22, 2017
• Ways to avoid "Draw Death" in Computer Chess by Kai Laskos, CCC, July 25, 2017
• Scaling from FGRL results with top 3 engines by Kai Laskos, CCC, September 26, 2017 » FGRL, Houdini, Komodo, Stockfish

2018

• Queen versus two Rooks performance of top engines by Kai Laskos, CCC, January 10, 2018
• A Chess variant with low draw rate by Kai Laskos, CCC, January 19, 2018 » Chess Variants
• Time control envelope in top engines could be improved? by Kai Laskos, CCC, March 13, 2018 » Time Management
• LCZero: Progress and Scaling. Relation to CCRL Elo by Kai Laskos, CCC, March 28, 2018 » Playing Strength
• Why Lc0 eval (in cp) is asymmetric against AB engines? by Kai Laskos, CCC, July 25, 2018 » Lc0, Asymmetric Evaluation, Pawn Advantage, Win Percentage, and Elo
• Some properties of Lc0 playing by Kai Laskos, CCC, September 14, 2018
• Leela doesn't obey well the Elo curve set by regular engines by Kai Laskos, CCC, September 26, 2018 » Leela Chess Zero
• Komodo MCTS scales worse with TC than Komodo A/B? by Kai Laskos, CCC, November 08, 2018 » Komodo
• 2900 Elo points progress, 10 million games, 330 nets by Kai Laskos, CCC, November 25, 2018 » Lc0
• Scaling of Lc0 at high Leela Ratio by Kai Laskos, CCC, November 27, 2018
• Smallnet (128x10) run1 progresses remarkably well by Kai Laskos, CCC, December 19, 2018

2019

• Interesting article in "Nature" on Machine Learning by Kai Laskos, CCC, January 09, 2019 » Learning
• Schizophrenic rating model for Leela by Kai Laskos, CCC, January 21, 2019 » Match Statistics, Leela Chess Zero
• Middlegame positional test-suite by Kai Laskos, CCC, April 07, 2019 » Middlegame, Test-Positions
• How to get the "usual" Multi PV with MCTS engines? by Kai Laskos, CCC, May 21, 2019 » MultiPV, MCTS
• Why are super top professional Go players so stupid? by Kai Laskos, CCC, June 02, 2019
• ChessBase's prophecy of 2004 fulfilled in 2019 by Kai Laskos, CCC, June 17, 2019 » ChessBase
• Is there a standard in implementing MultiPV in regular engines? by Kai Laskos, CCC, June 30, 2019 » MultiPV
• Is e4 significantly better than d4? by Kai Laskos, CCC, September 13, 2019
• Some words on Leela Go Zero by Kai Laskos, CCC, October 28, 2019 » Leela Zero

2020 ...

• Stockfish_dev is probably stronger than Sargon 1978 v1.00 by Kai Laskos, CCC, May 29, 2020 » Stockfish, Sargon
• What happens with my hyperthreading? by Kai Laskos, CCC, August 06, 2020 » Thread, Stockfish NNUE
• Progress of Stockfish in 6 days by Kai Laskos, CCC, August 12, 2020 » Stockfish NNUE
• Jackknife estimate of the variance of engine results for Arasan test suite by Kai Laskos, CCC, September 05, 2020 » Statistical Analysis
• I stumbled upon this article on the new Nvidia RTX GPUs by Kai Laskos, CCC, September 10, 2020 » Nvidia, GPU‎
• Armageddon scoring doesn't enhance the resolution power of the test suite by Kai Laskos, CCC, September 11, 2020

References

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