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<blockquote>The algorithm is implemented on a computer with the IBM-360 command system. The unit of information of this computer is a byte — 8 binary digits (bits). The command system provides for work with the following values: byte, halfword (2 bytes), word (4 bytes), double word (8 bytes), variable length field (up to 256 bytes). Performance depends on the command format, but on average it is 300 thousand operations per second. The machine's main memory, available to the programmer, is 330 thousand bytes. Capacity of external devices: magnetic tape — 20×10<sup>6</sup> bytes, disk — 7.2×10<sup>6</sup> bytes. The operating system allows several programs to run in parallel.
To encode the chessboard, we use 64 bits — a double word. Bits are numbered from 0 to 63 <ref>Translated by Google Translate [[Edward Komissarchik]], [[Aaron L. Futer]] ('''1974'''). ''On the analysis of the queen endgame using a computer.'' in Problems of Cybernetic, No. 29 , ppp. 213</ref>.</blockquote>
=Chess Programs=
* [https://en.wikipedia.org/wiki/RCA_Spectra_70 RCA Spectra 70]
* [http://commons.wikimedia.org/wiki/File:ICL_4-70,_instalacja_w_Oliwie,_zesp%C3%B3%C5%82_ETO_%28I197705%29.jpg ICL 4-70, instalacja w Oliwie, zespół ETO (I197705).jpg - Wikimedia Commons]
* [https://www.ipu.ru/sites/default/files/page_file/1.%20%D0%98%D0%9F%D0%A3%20%D0%A0%D0%90%D0%9D%20%D0%9D%D0%B0%D1%83%D1%87%D0%BD%D1%8B%D0%B5%20%D0%BD%D0%B0%D0%BF%D1%80%D0%B0%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F.pdf 80 years of the ICS RAS.pdf], p.307. See also [https://www.ipu.ru/sites/default/files/page_file/75%20%d0%bb%d0%b5%d1%82%20%d0%98%d0%9f%d0%a3%20%d0%a0%d0%90%d0%9d.pdf 75 years of the ICS RAS.pdf], pp.100, 108, 471, 613
* <span id="Video"></span>[https://en.wikipedia.org/wiki/Yuri_Averbakh Yuri Averbakh] on the victory of Kaissa in 1974. Video
: ICL 4-70 in the [[Institute_of_Control_Sciences|ICS RAS]] computer room
: {{#evu:https://www.youtube.com/watch?v=amHtM_6sxIE|alignment=left|valignment=top}}
* <span id="Video"></span>From the movie [https://www.youtube.com/watch?v=MLl05IibGKY&t=1284s "Alternativa"], 1975
: ICL 4-70 in the [[Institute_of_Control_Sciences|ICS RAS]] computer room (8:33 - 14:49):
: {{#evu:https://www.youtube.com/watch?v=7t5YBUL1Xyk&t=513s|alignment=left|valignment=top}}
=References=
<references />
'''[[Hardware|Up one Level]]'''
