Andrew Grant
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Andrew Grant [1]
Andrew Grant,
an American computer science and mathematics major at the University of Maryland, Baltimore County [2].
He is author of the UCI compliant open source chess engine Ethereal, first officially released in June 2016 [3], and the distributed SPRT testing framework for chess engines, OpenBench [4] [5].
On June 04, 2021, Andrew Grant announced the commercial release of Ethereal 13.00 (NNUE), while the standard version remained available on Github [6].
Publications
- Andrew Grant (2020). Evaluation & Tuning in Chess Engines. pdf [7] [8]
Forum Posts
2016 ...
- Transposition Table replacement schemes by Andrew Grant, CCC, May 05, 2016 » Transposition Table
- Compiling engine for release by Andrew Grant, CCC, May 14, 2016
- A question about Outpost Knights / Bishops by Andrew Grant, CCC, May 15, 2016 » Outposts
- Time controls for testing for 40/4 by Andrew Grant, CCC, June 03, 2016
- Aspiration Windows on the root search -- Determining margin by Andrew Grant, CCC, June 08, 2016 » Aspiration Windows
- Calculating R value for Null Move by Andrew Grant, CCC, June 23, 2016 » Null Move Pruning, Depth Reduction R
- Transposition Table - Updating entries by Andrew Grant, CCC, June 24, 2016
- Ethereal - Official Release by Andrew Grant, CCC, June 25, 2016
- Testing using many computers and architectures by Andrew Grant, CCC, September 14, 2016 » Engine Testing
- SPRT when not used for self testing by Andrew Grant, CCC, October 21, 2016
- A question about SPRT by Andrew Grant, CCC, December 25, 2016 » SPRT
2017
- Enpass + Castling for Zorbist hashes by Andrew Grant, CCC, January 06, 2017 » Castling Rights, En passant, Zobrist Hashing
- Testing A against B by playing a pool of others by Andrew Grant, CCC, June 24, 2017 » Match Statistics
- Troubles with Texel Tuning by Andrew Grant, CCC, September 26, 2017 » Texel's Tuning Method
- Tapered Eval between 4 phases by Andrew Grant, CCC, October 16, 2017 » Tapered Eval
- Texel Tuning - Success! by Andrew Grant, CCC, October 24, 2017
- Release of Ethereal 8.60 SMP by Andrew Grant, CCC, December 10, 2017
- Time Managment translating to SMP by Andrew Grant, CCC, December 23, 2017 » Ethereal, Parallel Search, Time Management
2018
- Simple quiet move sorting by Andrew Grant, CCC, January 13, 2018 » Move Ordering
- Official Release of Ethereal9.00 by Andrew Grant, CCC, February 15, 2018
- Yet another Mate scores in TT thread by Andrew Grant, CCC, April 12, 2018 » Checkmate, Score, Transposition Table
- UCI Pondering workaround by Andrew Grant, CCC, July 13, 2018 » Pondering, UCI
- Official Release of Ethereal 10.55 by Andrew Grant, CCC, July 16, 2018
- Re: TCEC should reconsider the ban on Ethereal by Andrew Grant, CCC, July 18, 2018
- Re:Basic automated testing by Andrew Grant, CCC, September 30, 2018 » OpenBench
2019
- Playing transposition table moves in the Quiescence search by Andrew Grant, CCC, January 17, 2019 » Transposition Table
- Re: Hyperthreading on or off by Andrew Grant, CCC, January 20, 2019
- Official Release of Ethereal 11.25 by Andrew Grant, CCC, January 21, 2019
- FRC / Chess960 -- Some Lessons I Learned by Andrew Grant, CCC, June 22, 2019 » Chess960
2020 ...
- Pyrrhic, Fathom for Humanoids by Andrew Grant, CCC, August 16, 2020 » Pyrrhic
- Evaluation & Tuning in Chess Engines by Andrew Grant, CCC, August 24, 2020 » Ethereal
- A Crossroad in Computer Chess; Or Desperate Flailing for Relevance by Andrew Grant, CCC, September 29, 2020
- Final Release of Ethereal, V12.75 by Andrew Grant, CCC, October 09, 2020
- Request for someone to train an NNUE for Ethereal by Andrew Grant, CCC, October 09, 2020 » NNUE
- Ethereal Tuning - Data Dump by Andrew Grant, CCC, October 10, 2020
- You've trained a brilliant NN(UE) King-Piece Network. Now what? by Andrew Grant, CCC, November 19, 2020
- Dispelling the Myth of NNUE with LazySMP: An Analysis by Andrew Grant, CCC, December 30, 2020 » NNUE, Lazy SMP
2021
- Commercial Release of Ethereal 13.00 (NNUE) for AVX2 Systems by Andrew Grant, CCC, June 04, 2021
External Links
- AndyGrant (Andrew Grant) · GitHub
- Ethereal wins TCEC Division 4, Interview with Andrew Grant, Chessdom, April 30, 2018 » TCEC Season 12
- Interview with Ethereal's author Andrew Grant, by Nelson Hernandez (Cato the Younger), August 2018, YouTube Video » TCEC Season 13
References
- ↑ AndyGrant (Andrew Grant) · GitHub
- ↑ AndyGrant (Andrew Grant) · GitHub
- ↑ Ethereal - Official Release by Andrew Grant, CCRL Discussion Board, June 25, 2016
- ↑ GitHub - OpenBench a Distributed SPRT Testing Framework for Chess Engines
- ↑ Re:Basic automated testing by Andrew Grant, CCC, September 30, 2018
- ↑ Commercial Release of Ethereal 13.00 (NNUE) for AVX2 Systems by Andrew Grant, CCC, June 04, 2021
- ↑ Evaluation & Tuning in Chess Engines by Andrew Grant, CCC, August 24, 2020
- ↑ Ethereal Tuning - Data Dump by Andrew Grant, CCC, October 10, 2020
