Michael Sherwin

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Michael J. Sherwin,
an American computer chess programmer, and stockbroker . He is author of the WinBoard compatible chess engine RomiChess, which is famous for its learning approach . Michael's interests in bitboards and methods to generate sliding piece attacks did result in his index based approach, coined by Harald Lüßen as Sherwin Bitboards.

Forum Posts

2005 ...

• RomiChess && learning or the emperor has no clothes by Michael Sherwin, Winboard Forum, May 19, 2006
• Magic Bitboards Explained! by Michael Sherwin, Winboard Forum, December 4, 2006
• Fruit, Rybka, Strelka final conclusion! (I hope) by Michael Sherwin, CCC, July 13, 2007 » Fruit, Rybka, Strelka
• What is Fruit? Fabien explains! by Michael Sherwin, CCC, July 14, 2007
• Improving history tables by Michael Sherwin, CCC, July 25, 2007
• Why material imbalance tables are needed by Michael Sherwin, CCC, August 09, 2007 » Material Tables
• Is it time for another new move generator? by Michael Sherwin, CCC, November 11, 2007 » Move Generation
• Did someone mention the GNUChess move Generator? by Michael Sherwin, CCC, November 12, 2007 » GNU Chess
• Modified old 64 bit attack getter by Michael Sherwin, CCC, December 06, 2009

2010 ...

• Figuring out the R factor by Michael Sherwin, CCC, January 03, 2010 » Depth Reduction R
• A different way of doing Null Move reductions by Michael Sherwin, CCC, June 29, 2010
• Questions for the Stockfish team by Michael Sherwin, CCC, July 16, 2010
• It is finally time to announce by Michael Sherwin, CCC, November 07, 2010
• Learning to program in RUST, together by Michael Sherwin, CCC, December 29, 2014 » Rust

2015 ...

• My EarlyWork.zip file by Michael Sherwin, CCC, March 16, 2015
• Wanted: eval insight for a specific position by Michael Sherwin, CCC, June 01, 2015
• Programming for style of play by Michael Sherwin, CCC, June 02, 2015
• An approach to precomputed move generation bitboards by Michael Sherwin, CCC, December 01, 2015

2016

• C programming style question by Michael Sherwin, CCC, January 19, 2016
• EMR & EMP by Michael Sherwin, CCC, July 19, 2016 » Reductions, Pruning
• Time management trick by Michael Sherwin, CCC, July 19, 2016
• I've been fiddling with my chess engine by Michael Sherwin, CCC, November 29, 2016

2017

• Back from the edge of death, again! by Michael Sherwin, CCC, August 11, 2017
• What is causing this problem? by Michael Sherwin, CCC, August 16, 2017 » Move Ordering
• Rethinking r in null move by Michael Sherwin, CCC, August 18, 2017 » Depth Reduction R
• Source code needed for simple experiment by Michael Sherwin, CCC, August 31, 2017
• Can't get Jim Ablett's compile of Viper to work by Michael Sherwin, CCC, August 31, 2017 » Viper
• Question about parallel search and race conditions by Michael Sherwin, CCC, September 11, 2017
• Update on null move and LMR by Michael Sherwin, CCC, October 01, 2017 » R
• EMR based on Null Move threat by Michael Sherwin, CCC, October 30, 2017 » Reductions
• AlphaGo Zero And AlphaZero, RomiChess done better by Michael Sherwin, CCC, December 07, 2017 » AlphaZero
• Understanding the power of reinforcement learning by Michael Sherwin, CCC, December 12, 2017
• I can't believe that so many people don't get it! by Michael Sherwin, CCC, December 18, 2017
• Example of RL in action for programmers by Michael Sherwin, CCC, December 20 2017
• Two new instances of RomiChess in self play by Michael Sherwin, CCC, December 25, 2017
• RomiFischer vs RomiKarpov for some lite fun by Michael Sherwin, CCC, December 27, 2017
• RomiKarpov vs RomiKasparov by Michael Sherwin, CCC, December 28, 2017
• The Sherwinator vs The Terminator by Michael Sherwin, CCC, December 29, 2017

2018

• Training with RomiChess in console mode by Michael Sherwin, CCC, January 01, 2018
• Making null move better? by Michael Sherwin, CCC, January 25, 2018 » Null Move Pruning
• I'm not very happy with the do {} while() statement in C by Michael Sherwin, CCC, February 18, 2018
• UCI vs Winboard question by Michael Sherwin, CCC, March 05, 2018 » UCI, WinBoard
• Elostat Question by Michael Sherwin, CCC, March 30, 2018
• Some RomiChess progress by Michael Sherwin, CCC, March 31, 2018
• Romi-Carlsen vs Romi-Caruana for entertainment only by Michael Sherwin, CCC, September 22, 2018

2019

• Reinforcement Learning (RL) in real time paradigm by Michael Sherwin, CCC, January 14, 2019
• An improvement to classic Chess4.5 style bitboards by Michael Sherwin, CCC, March 01, 2019 » Bitboard Serialization
• Maybe a new use case for an old idea of mine by Michael Sherwin, CCC, March 01, 2019
• Opinions requested for new move gen idea by Michael Sherwin, CCC, March 03, 2019 » Table-driven Move Generation
• Some x64 assembler for the curious by Michael Sherwin, CCC, March 22, 2019 » Assembly, x86-64
• My newest almost bb move generator is wonderful by Michael Sherwin, CCC, April 17, 2019
• SMP, game struct, thread struct and MakeMove by Michael Sherwin, CCC, April 19, 2019
• No standard specification for Perft by Michael Sherwin, CCC, April 19, 2019 » Perft

References

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