ChessPartner has a long history, although you may have seen ChessPartner only since a few months, the development started in 1987.

- 1987
The first version was written, the program was called LCHESS. It was a DOS program with a text based user interface.

- 1988
The program participated in the Dutch Computer Chess championship, it was not playing very strong, mainly because of bugs. It ended 13th from the 16 participants.

- 1989
Ger Neef joined the team, he was responsible for the graphical user interface, the program was still DOS based. Many improvements where made. That year it ended 7th in the Dutch Computer Chess championship.

- 1990
In this year the teamwork paid of, still DOS based the program ended on a shared 3rd place.
Points 4½ / 7, place 04/16

- 1991
The user interface was completely rewritten for Windows 3.0. Again played in the Dutch Computer Chess tournament, ending somewhere in the middle.
Summary 1991-1997:
Dutch-ch 1991, points 3.0 / 7, place 11/16
Dutch-ch 1992, points 5½ / 11, place 10/22
Aegon 1993, points 1½ / 6, place 60/64
Dutch-ch 1993, points 5½ / 11, place 10/24
Aegon 1994, points 3.0 / 11, place 40/76
Single Platform 1994, points 13.0 / 29, place 10/16
Dutch-ch 1994, points 5½ / 11, place 08/16
Dutch-ch 1995, points 5½ / 11, place 11/20
Aegon 1995, points 3.0 / 6, place 54/96 (Schaakmeester)
Aegon 1995, points 2½ / 6, place 65/96 (LChess)
WM Hong Kong 1995, points 1.0 / 5, place 23/24
Aegon 1996, points 2.0 / 6, place 85/100
Dutch-ch 1997, points 4.0 / 11, place 12/16

Due to lack of time no tournaments where played after 1997.