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'''Hossa''',<br/>
a chess program by [[Steffen A. Jakob]], written in [[Cpp|C++]]. Steffen already started to write Hossa in the 80s and made it [[Chess Engine Communication Protocol]] aka [[XBoard]] compatible in 1998. Hossa is a [[Bitboards|bitboard]] engine with many interesting features, such as [[Book Learning|book learning]] <ref>[https://www.stmintz.com/ccc/index.php?id=25160 Hossa's book learning] by [[Steffen A. Jakob]], [[CCC]], August 20, 1998</ref> and [[Blockage Detection|blockage detection]] <ref>[https://www.stmintz.com/ccc/index.php?id=153437 Hossa finds Qa7 with experimental blocked position code enabled] by [[Steffen A. Jakob]], [[CCC]], February 05, 2001</ref>.
According to [[Chrilly Donninger]], Hossa has an [[Asymmetric evaluationEvaluation|asymmetrical]] [[King Safety|king safety]] mode. If Hossa is about 1.5 pawn units down, it increases the scoring of own attacks versus the opponent king, encouraging wild attacks on any costs with the chance of a lucky punch, instead of slowly loosing the game otherwise <ref>[[Chrilly Donninger]] ('''2000'''). ''W. Steinitz gegen L. Gott''. [http://de.wikipedia.org/wiki/Kaissiber Kaissiber] Nr. 15, [http://www.mustrum.de/chrilly/kaissiber15.pdf pdf] (German)</ref> <ref>[http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=402729&t=38726 Re: Taming the Tiger :-)] by [[Đorđe Vidanović]], [[CCC]], April 11, 2011</ref>.
Hossa played the eight first [[CCT Tournaments]] from [[CCT1]] to [[CCT8]], and further competed at the [[WCCC 2003]] in [https://en.wikipedia.org/wiki/Graz Graz].
