# Difference between revisions of "Allie"

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− | AllieStein is the combination of Allie with Leela's third party ''' | + | AllieStein is the combination of Allie with Leela's third party '''Stein''' network by [[Mark Jordan]] <ref>[https://github.com/LeelaChessZero/lc0/wiki/Third-Party-Nets Third Party Nets · LeelaChessZero/lc0 Wiki · GitHub]</ref> <ref>[https://www.patreon.com/jjosh Jjosh is creating Leelenstein | Patreon]</ref>, which is trained by [[Supervised Learning|supervised learning]] feeding in games from [[CCRL]], |

supported by [[Ilya Loshchilov#SGDR|SGDR]] ([https://en.wikipedia.org/wiki/Stochastic_gradient_descent Stochastic Gradient Descent] with Warm Restarts) <ref>[[Ilya Loshchilov]], [[Frank Hutter]] ('''2016'''). ''SGDR: Stochastic Gradient Descent with Warm Restarts''. [https://arxiv.org/abs/1608.03983 arXiv:1608.03983]</ref> | supported by [[Ilya Loshchilov#SGDR|SGDR]] ([https://en.wikipedia.org/wiki/Stochastic_gradient_descent Stochastic Gradient Descent] with Warm Restarts) <ref>[[Ilya Loshchilov]], [[Frank Hutter]] ('''2016'''). ''SGDR: Stochastic Gradient Descent with Warm Restarts''. [https://arxiv.org/abs/1608.03983 arXiv:1608.03983]</ref> | ||

and '''GGT''' (full-matrix adaptive [https://en.wikipedia.org/wiki/Regularization_(mathematics) regularization]) <ref>[[Naman Agarwal]], [[Brian Bullins]], [[Xinyi Chen]], [[Elad Hazan]], [[Karan Singh]], [[Cyril Zhang]], [[Yi Zhang]] ('''2018'''). ''The Case for Full-Matrix Adaptive Regularization''. [https://arxiv.org/abs/1806.02958 arXiv:1806.02958]</ref>, | and '''GGT''' (full-matrix adaptive [https://en.wikipedia.org/wiki/Regularization_(mathematics) regularization]) <ref>[[Naman Agarwal]], [[Brian Bullins]], [[Xinyi Chen]], [[Elad Hazan]], [[Karan Singh]], [[Cyril Zhang]], [[Yi Zhang]] ('''2018'''). ''The Case for Full-Matrix Adaptive Regularization''. [https://arxiv.org/abs/1806.02958 arXiv:1806.02958]</ref>, |

## Latest revision as of 13:49, 10 November 2019

**Allie**,

an UCI compliant open source chess engine by Adam Treat, written in C++ using Qt, released under the terms of GPL version 3.
Allie is inspired by the seminal AlphaZero paper ^{[1]} and the Leela Chess Zero project - utilizing the networks produced by Leela Chess, and sharing the CuDNN backend written by Ankan Banerjee ^{[2]}. Allie is a replacement of Lc0's search with an own implementation of a PUCT Monte-Carlo tree search ^{[3]}.

## Contents

# AllieStein

AllieStein is the combination of Allie with Leela's third party **Stein** network by Mark Jordan ^{[4]} ^{[5]}, which is trained by supervised learning feeding in games from CCRL,
supported by SGDR (Stochastic Gradient Descent with Warm Restarts) ^{[6]}
and **GGT** (full-matrix adaptive regularization) ^{[7]},
using batch renormalization ^{[8]},
and adding gradient noise ^{[9]}.

# Features

- Fancy Magic Bitboards largely from Ethereal by Andrew Grant
^{[10]}^{[11]} - BMI2 - PEXT Bitboards
- Lc0 NN Backend by Ankan Banerjee
^{[12]} - Monte-Carlo Tree Search
- PUCT
- Syzygy Bases via Fathom by Basil Falcinelli
- Chess960

# Lc0 Intersections

What Alliestein has in Common with Lc0 ^{[13]}

# See also

# Forum Posts

- New Engine: Allie (NN) by Adam Treat, CCC, February 20, 2019
- Allie & Stein by Sven Steppenwolf, CCC, March 06, 2019

- Re: Allie & Stein by Alexander Lyashuk, CCC, March 07, 2019
- Re: Allie & Stein by Adam Treat, CCC, March 07, 2019

- Allie 0.2 by Adam Treat, CCC, March 22, 2019
- New release of Allie v0.3 by Adam Treat, CCC, May 04, 2019
- New release of Allie v0.4 by Adam Treat, CCC, May 31, 2019
- My failed attempt to change TCEC NN clone rules by Alexander Lyashuk, CCC, September 14, 2019 » TCEC

- Re: My failed attempt to change TCEC NN clone rules by Adam Treat, CCC, September 19, 2019

- Allie v0.5 released by Adam Treat, CCC, October 14, 2019 » TCEC Season 16

# External Links

## Chess Engine

- GitHub - manyoso/allie: Allie: A UCI compliant chess engine
- Allie+Stein, the new neural network based engine entering TCEC S15 | Chessdom, March 02, 2019

## Misc

# References

- ↑ David Silver, Thomas Hubert, Julian Schrittwieser, Ioannis Antonoglou, Matthew Lai, Arthur Guez, Marc Lanctot, Laurent Sifre, Dharshan Kumaran, Thore Graepel, Timothy Lillicrap, Karen Simonyan, Demis Hassabis (
**2017**).*Mastering Chess and Shogi by Self-Play with a General Reinforcement Learning Algorithm*. arXiv:1712.01815 - ↑ Re: My failed attempt to change TCEC NN clone rules by Adam Treat, CCC, September 19, 2019
- ↑ allie/node.h at master · manyoso/allie · GitHub
- ↑ Third Party Nets · LeelaChessZero/lc0 Wiki · GitHub
- ↑ Jjosh is creating Leelenstein | Patreon
- ↑ Ilya Loshchilov, Frank Hutter (
**2016**).*SGDR: Stochastic Gradient Descent with Warm Restarts*. arXiv:1608.03983 - ↑ Naman Agarwal, Brian Bullins, Xinyi Chen, Elad Hazan, Karan Singh, Cyril Zhang, Yi Zhang (
**2018**).*The Case for Full-Matrix Adaptive Regularization*. arXiv:1806.02958 - ↑ Sergey Ioffe (
**2017**).*Batch Renormalization: Towards Reducing Minibatch Dependence in Batch-Normalized Models*. arXiv:1702.03275 - ↑ Arvind Neelakantan, Luke Vilnis, Quoc V. Le, Ilya Sutskever, Lukasz Kaiser, Karol Kurach, James Martens (
**2015**).*Adding Gradient Noise Improves Learning for Very Deep Networks*. arXiv:1511.06807 - ↑ allie/movegen.cpp at master · manyoso/allie · GitHub
- ↑ Ethereal/attacks.h at master · AndyGrant/Ethereal · GitHub
- ↑ Re: My failed attempt to change TCEC NN clone rules by Adam Treat, CCC, September 19, 2019
- ↑ My failed attempt to change TCEC NN clone rules by Alexander Lyashuk, CCC, September 14, 2019 » TCEC