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==The King==
With the release of ''Chessmaster '''4000 Turbo''''' in '''1993''', [[The King]] by [[Johan de Koning]] became the CM engine until the present, with annual, biennial and triennial releases for major [[Windows]] versions until ''Chessmaster '''XI''''' in 2007, incorporating the ''The King '''3.50''''' with a [[Parallel Search|parallel search]] able to support multiple processors. The King Version '''3.12''' has become a [[WinBoard]] engine within the ''ChessMaster '''8000''''' and newer versions <ref>[http://horizonchess.com/FAQ/Winboard/confusion.html What can Winboard do?] by [[Aaron Tay]], March 01, 2002, hosted by [[Ron Murawski]]</ref> . Some versions were also made available for [[Mac OS]] computers, and the [https://en.wikipedia.org/wiki/Xbox_Live_Arcade Xbox Live Arcade] <ref>[http://www.mobygames.com/game/chessmaster-live Chessmaster LIVE for Xbox 360 (2008)] - [https://en.wikipedia.org/wiki/MobyGames MobyGames]</ref>.
=Releases=
=Companies=
[[Software Toolworks]] was founded in 1980 by [[Walt Bilofsky]], who was one of three programmers who designed and created the Chessmaster in the mid 80s <ref>[http://www.toolworks.com/bilofsky/software.htm Walt's Home Page - Software Publisher]</ref>. In 1994, ''Software Toolworks, Inc.'' was merged to [[Mindscape]] <ref>[https://groups.google.com/d/msg/rec.games.chess/3oL-J6n8nBU/qX3ovhUOBgkJ Software Toolworks (Mindscape) is there, and *yes* they do care!] by Joe Stella, [[Computer Chess Forums|rgc]], December 24, 1994</ref> <ref>[https://groups.google.com/d/msg/rec.games.chess/XdN-hL47cb0/Uu_iu24M9iIJ Net Contact List of Chessmaster] by [[Carlos Justiniano]], [[Computer Chess Forums|rgc]], April 06, 1995</ref> in conjunction with the acquirement by [https://en.wikipedia.org/wiki/Pearson_PLC Pearson PLC] <ref>[https://en.wikipedia.org/wiki/Mindscape Mindscape from Wikipedia] mentions: Mindscape sold to Pearson PLC for $503 million in 1994</ref> with [[Michael E. Duffy]] <ref>[[Michael E. Duffy]] mentions sale of The Software Toolworks to Pearson PLC for $462 million, April 1994, [http://www.mikeduffy.com/ Michael E. Duffy & Associates]</ref> and [[David Grenewetzki]] <ref> [[David Grenewetzki]] mentions $462 million sale of The Software Toolworks to Pearson PLC, Mai 1993, [https://www.linkedin.com/in/dgreno David Grenewetzki - LinkedIn]</ref> involved, in 1998 sold to [https://en.wikipedia.org/wiki/The_Learning_Company The Learning Company], in the same year bought by [https://en.wikipedia.org/wiki/Mattel Mattel] and renamed to ''Mattel Interactive''. In 2000, [https://en.wikipedia.org/wiki/The_Gores_Group The Gores Group] carves out the re-renamed ''Learning Company'' from Mattel, and the ''Game Studios'' of The Learning Company was sold to [[Ubisoft|Ubi Soft]] - all employees were given the opportunity to become employees of their most well-known studio, [https://en.wikipedia.org/wiki/Ubisoft_Red_Storm Red Storm Entertainment] <ref>[https://www.stmintz.com/ccc/index.php?id=159490 Software Toolworks to Ubi Soft (OT)] by [[John Merlino]], [[CCC]], March 20, 2001</ref> .
=Associated People=
=Selected Games=
==Aegon 1995==
[[Aegon 1995]], round 5, [[David Bronstein]] - [[Chessmaster|Chessmaster 4000]] <ref>[http://www.chessgames.com/perl/chessgame?gid=1238107 David Bronstein vs Chessmaster] from [http://www.chessgames.com/index.html chessgames.com]</ref>
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[https://lichess.org/leiW4L9c View this game on Lichess.org]
==Match vs GM Larry Christiansen ==
In September 2002, [https://en.wikipedia.org/wiki/Larry_Christiansen Larry Christiansen] played a 4 games match versus Chessmaster 9000 on ICC <ref>8https://en.wikipedia.org/wiki/The_Week_in_Chess TWIC] #415. ''17) Larry Christiansen vs. Chessmaster 9000 Match''.</ref><br/>
Larry Christiansen lost the 3rd game where he sacrificed a rook to get a strong attack. 55...Rh5! would have been probably winning! <br/>
Chessmaster 9000 won the match 2.5-1.5.<br/>
[http://www.chessgames.com/perl/chess.pl?pid=15040&pid2=70670 The 4 games on chessgames.com]
<br/>
<br/>The 3rd game.
<pre>
[Event "ICC 2 120 u"]
[Site "Internet Chess Club"]
[Date "2002.09.29"]
[Round "3"]
[Result "1-0"]
[White "Chessmaster (Computer)"]
[Black "Larry Mark Christiansen"]
[ECO "A28"]
1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.d4 exd4 5.Nxd4 Bb4 6.Bg5 h6 7.Bh4 Bxc3+ 8.bxc3 Ne5 9.e3 d6
10.Be2 Ng6 11.Bxf6 Qxf6 12.O-O O-O 13.Qc2 Re8 14.Rfd1 Nf8 15.Bd3 Ne6 16.Nb3 Rb8 17.a4 Qe7
18.a5 Bd7 19.a6 b6 20.Nd4 Nc5 21.Nb5 Bxb5 22.cxb5 Qf6 23.Bc4 Re5 24.Bd5 Rbe8 25.Rd4 Ne6
26.Rd2 g6 27.Ra4 Kg7 28.Rd1 Re7 29.Rb4 g5 30.Bc6 Qg6 31.Qb2 f5 32.Qb1 Qf6 33.Bd5 f4 34.e4
Nf8 35.f3 h5 36.Qc2 Ng6 37.Qa2 Kh6 38.Qd2 Rg7 39.Qd4 g4 40.fxg4 Nh4 41.Rb2 Rxg4 42.Kh1 Ng6
43.Rf2 Qe7 44.Qd2 Reg5 45.Ra1 h4 46.c4 Qe5 47.Rc1 Kg7 48.Bc6 Qe7 49.Rcf1 Re5 50.Qc3 Kh6
51.Bd5 Reg5 52.Qb3 Qe5 53.Rd1 Rg3 54.hxg3 hxg3 55.Ra2 Rg4 56.Kg1 Qh5 57.Kf1 f3 58.Ke1 f2+
59.Kd2 Rh4 60.Qe3+ Kg7 61.Rf1 Qe5 62.Kc2 Rh2 63.Qf3 Qf4 64.e5 Qxf3 65.Bxf3 Nxe5 66.Bd5 Rh5
67.Ra3 Rg5 68.Kd2 Ng6 69.Re3 Ne5 70.Ke2 Kf6 71.Rh1 Ng6 72.Rh7 1-0
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[https://lichess.org/QxzuV22w View this game on Lichess.org] <br/>
[https://www.youtube.com/watch?v=NuXZ7vW728c Youtube video for this game with comments from GM Larry Christiansen himself]
=See also=
