Mephisto MM IV

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Mephisto MM IV, a dedicated chess computer module for Mephisto module systems by Hegener & Glaser launched in 1987 as successor of Mephisto Rebell. Ed Schröder's program run on a 65C02 CMOS processor. The MM IV played the First International Chess-Computer Tournament in the USSR 1989, and was runner-up, only losing from its stable mate Mephisto Almeria with a Lang program and a much more powerful 68020 32-bit processor. However, in 1988 the MM IV Turbo Kit with the discrete TK 20 processor by Schaetzle+Bsteh took the lead in the SSDF rating list, threatening H&G's marketing strategy of high end market with superior hardware and Lang programs versus middle class market and low end market with average and limited hardware with Schröder and Morsch programs. Only H&G's intervention could retain their desired order.

=See also=
 * Mephisto MM II
 * Mephisto MM V
 * Mephisto Polgar
 * Mephisto Rebell
 * Mephisto RISC
 * Rebel

=Forum Posts=
 * Mephisto MM IV/MM V as Winboard engine by Alexander Schmidt, CCC, January 12, 2010

=External Links=
 * MM IV from Rebel Pure Nostalgica by Ed Schröder
 * Dedicated chess computers - Home of the Dutch Rebel by Ed Schröder
 * Back to the 80's with UCI by Ed Schröder » UCI
 * Ismenio's chess computer collection - Module Mephisto MM IV 6502 5 MHz
 * Module MM IV from The Spacious Mind
 * Mephisto MM IV from Schachcomputer.info Wiki (German)
 * Mephisto MM V
 * Mephisto Monte Carlo IV


 * Comp Mephisto MM IV chess games - 365Chess.com
 * Mephisto (chess computer) from Wikipedia

=References=

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