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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>.
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==Match vs GM Larry Christiansen ==
In Septembre 2002, Larry Christiansen played a 4 games match versus Chessmaster 9000 on ICC.<ref>TWIC #415. ''17) Larry Christiansen vs. Chessmaster 9000 Match''.</ref><br/>
Chessmaster won the final game to win 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/>The 4th game.
<pre>
[Event "ICC 2 120 u"]
[Site "Internet Chess Club"]
[Date "2002.09.29"]
[Round "4"]
[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
</pre>
[https://lichess.org/QxzuV22w View this game on Lichess.org] <br/>
[https://www.youtube.com/watch?v=Fxm3xlcbLTc Youtube video for this game with comments from GM Larry Christiansen]
=Releases=
