Senator
Senator 2 25 x 25
Senator 3 25 x 25

The Scisys Senator Chess was the German version of Executive Chess, which sold in most other countries including the USA and UK.

Apart from the name and the German language key descriptions the two machines are identical.

The Senator sold for 298 DM in Germany.

300px-Senator
Senator 4 20 x 20
Senator 5 20 x 20
Executive 8 25x25

Type

Portable.  Cursor Input with
LCD chessboard

Processor

SL90553 cpu, 2 MHz ?  8 bit ?
(probably Fairchild 3870 compatible)

Memory

4KB ROM  1KB RAM

Opening Book

None

Power

7.5V  200mA  positive centre
or 6 x AA batteries

Dimensions

20 x 10 x 3.3 cm

Chessboard

6.2 x 6.2 cm

King Height

N/A

Senator  9  25 x 25
free counters