Changes

After 15 years "out of business", HGM is back with his minimalist chess engine [[Micro-Max]], the [[Chess#Variants|chess variants]] engine [[Fairy-Max]], the closed source programs [[Joker NL|Joker]] and [[Spartacus]] <ref>[http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=432065&t=41007 Re: Any joker1114w Updates?] by [[Harm Geert Muller]], [[CCC]], November 06, 2011</ref>, the [[Chinese Chess]] engine [[HaQiKi D]], and the [[Shogi]] engine [[Shokidoki]]. HGM is involved in extending the [[Chess Engine Communication Protocol]] specification to Version 2 <ref>[http://home.hccnet.nl/h.g.muller/engine-intf.html Chess Engine Communication Protocol] by [[Tim Mann]] & [[Harm Geert Muller|H.G. Muller]]</ref>, also addressing various [[Chess#Variants|chess and chess like game variants]], and further covering [[Checkers]], [[Go]], [[Amazons]], and [[Othello]] <ref>[http://www.talkchess.com/forum/viewtopic.php?start=0&t=37634 WinBoard, exotic version] by [[Harm Geert Muller]], [[CCC]], January 15, 2011</ref>. The didactic [[:Category:Open Source Engines|open source engine]] [[KingSlayer]] published in fall 2015 <ref>[http://hgm.nubati.net/cgi-bin/gitweb.cgi?p=simple.git;a=summary hgm.nubati.net Git - simple.git/summary]</ref> is intended to be an inspiration for beginning chess programmers <ref>[http://www.talkchess.com/forum/viewtopic.php?t=61729&start=4 Re: Single threaded or simplified version of stockfish ?] by [[Harm Geert Muller]], October 16, 2016</ref>. His [[Open Source Engines|open source engine]] [[CrazyWa]] plays [[Shogi]] and [[Games#ChessVariants|Chess variants]] with [[Piece Drop|piece drops]] with boards up to 11x11, with up to 16 droppable piece types, and 15 promoted piece types <ref>[http://hgm.nubati.net/cgi-bin/gitweb.cgi?p=crazywa.git;a=blob;f=dropper.c;h=93e3a7a03c0a91cb6d172ec0f8e3d40b0923dde2;hb=HEAD hgm.nubati.net Git - crazywa.git/blob - dropper.c]</ref>.