CT800

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CT800

CT800,
a FLOSS dedicated chess computer designed by Rasmus Althoff. The CT800 features an ARM Cortex M4 microcontroller of an Olimex H405 board that operates up to 168 Mhz, with 1 MiB of flash memory, 192+4 kiB of SRAM, and multiple I/O and USB connectors, with a 4x20 character text display, two leds, and a 4x4 + 1 keypad as peripherals aka user interface. Voltage source is due to four NiMH rechargeable AA batteries or external 5 V DC power supply. CT800's firmware is developed by Rasmus Althoff, released under the GPL Version 3, the chess playing software is an ARM adaption of George Georgopoulos' open source engine NG-play including a KPK bitbase by Marcel van Kervinck . The program may be compiled to run on other platforms via UCI, such as Windows, Linux, Mac OS and Android computers, and Raspberry Pi systems like the DGT Pi.

Forum Posts

2016 ...

• new chess computer: CT800 by Rasmus Althoff, CCC, September 05, 2016
• New idea for "easy move detection" by Rasmus Althoff, CCC, November 05, 2016 » Time Management
• CT800 V1.01 by Rasmus Althoff, CCC, November 13, 2016

2017

• CT800 V1.10 released by Rasmus Althoff, CCC, June 06, 2017
• CT800 V1.11 release + Winboard-version by Rasmus Althoff, CCC, June 17, 2017
• CT800 V1.12 released by Rasmus Althoff, CCC, October 14, 2017

2018

• CT800 engine: Android problems? by Rasmus Althoff, CCC, January 08, 2018 » Android
• CT800 V1.20 released by Rasmus Althoff, CCC, February 17, 2018
• CT800 V1.30 released by Rasmus Althoff, CCC, May 08, 2018
• CT800 V1.32 released by Rasmus Althoff, CCC, October 01, 2018
• CT800 for the macOS by MikeB, CCC, November 01, 2018

2019

• CT800 V1.33 by Rasmus Althoff, CCC, January 08, 2019
• CT800 V1.34 by Rasmus Althoff, CCC, February 09, 2019

2020 ...

• CT800 V1.40 released by Rasmus Althoff, CCC, April 05, 2020
• CT800 V1.41 released by Rasmus Althoff, CCC, August 29, 2020

2021

• CT800 V1.42 released by Rasmus Althoff, CCC, February 27, 2021
• CT800 V1.43 released by Rasmus Althoff, CCC, August 29, 2021

External Links

Chess Computer

• CT800 Chess Computer
• Manual CT800 (pdf)
• CT800 – embedded FLOSS Chess computer made with STM32-H405 OSHW board | olimex

Misc

• Passport - Handmade, Doldinger Jubilee Concert @ 14th Deutsches Jazzfestival, Frankfurt, September 27, 1974, YouTube Video

Klaus Doldinger, Johnny Griffin, Kristian Schulze, Brian Auger, Volker Kriegel, Alexis Korner, Wolfgang Schmid, Curt Cress, Pete York

References

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