Fidelity Micro Chess Challenger User Manual
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Title: Fidelity Electronics Champion Sensory Chess Challenger (English) Author: AntoPISA Subject: MAME 0.171 Created Date: 3/3/2005 11:40:00 AM. Fidelity Chess Challenger manuals and brochures. Catalog Number 102693667. Voice Sensory Chess Challenger Service Manual Date 1980-1982 Publisher.
sold by Applied Concepts Inc around 1978. When I was a kid we got one of them, and I probably played a
couple of hundred games against it. It came in a walnut box with a
little folding board and pieces. Moves were entered with a little
keypad similar to newer chess computers, and it had an 8 character LED
screen. Its strength was probably only in the 1000 range. It could
be set to think for any period of time, although I found out that if
you let it think for several days, it would reach a point where it
would just start over. Presumably, it ran out of memory and I guess
that was better than crashing.
One of its unique features was that it displayed random messages
across the screen after you made a move. Some of the ones that I saw
in a couple of quick games last night were: 'Would you like a draw?',
'Good move', 'I expected that', 'Spot me a queen?', 'Ahh ruthless',
and 'I missed that'. It was a pretty cute machine, and it has quite a
bit of sentimental value for me.
I ran across it last night after not having thought about it for
about five years, and I played around with it a bit. Some questions
occured to me that someone on this newsgroup might have the answer to.
Was there only one version of this machine, or did they sell newer,
better versions? Does anyone know how much memory it had and how
large the program was? Was this the first commercially available
chess computer, or were there others before it? I remember the Chess
Challengers came out around the same time.
The most interesting question involves the mysterious hidden keys.
If you take the faceplate off, there is another row of keys above the
ones usable from the outside. The only thing I could figure out with
them was that they could generate the letters P, L, and Q in certain
modes. Does anyone have any idea if they had a meaningful use?
Thanks,
-Truman
--
tcollins@teleport.COM Public Access User --- Not affiliated with TECHbooks
Public Access UNIX and Internet at (503) 220-1016 (2400-14400, N81)
Fidelity Micro Chess Challenger User Manual Download
Home * Engines * Fidelity
Fidelity,
was a family of dedicated Chess Computers, manufactured by Sidney Samole's company Fidelity Electronics[2]. The early programs were written by Ron Nelson, since 1980/1981 most programs were based on Dan and Kathe Spracklen'sSargon programs. Eviews 8 free download. Fidelity chess computers with Spracklen programs, the commercial available Chess Challenger, Elite, Sensory, Elegance, Private Line and the experimental versions coined Fidelity X as covered on this page, participated in many tournaments with great success and won many world as well as national titles.
- 1Fidelity X
- 4External Links
1981-1984
Fidelity Micro Chess Challenger User Manual Pdf
Fidelity X, which won the WMCCC 1981, was later market as Fidelity Elite Champion[3][4] . It was based on a 6502Sargon program by Dan and Kathe Spracklen's. Same or slightly improved hardware played the ACM 1982, the WCCC 1983 and ACM 1984.
1986
In 1986, at the 17th ACM North American Computer Chess Championship in Dallas, Fidelity showed up with two experimental machines. Fidelity Experimental with Danny Kopec as Book author had one 68020 CPU, where three models also played the WMCCC 1986 some streets farther with compatible time schedule. Chess Challenger X was a parallel system with a Z80 controller, and 16 or more 68000 CPUs, co-authored by Ron Nelson, with a Kopec book as well.
Description 1989
Fidelity X, alias Fidelity/Motorola Challenger, which played the WCCC 1989 was a 32 bit program, targeting Motorola's68030 processor [5]. Description from the WCCC booklet [6] :
Fidelity Micro Chess Challenger User Manual Parts
The Fidelity/Motorola Challenger relies for its strength on a combination of state-of-the-art microcomputer hardware and a chess algorithm that has undergone continuous full-time development for over ten years.
The central feature of the hardware is a Motorola68030 processor, hand-selected by Motorola engineers to run at the fastest possible clock speed. The exact speed will not be known until just prior to tournament time. The system is completed by 32K of program ROM, 64K of opening book ROM, 16K of program RAM, one megabyte of dynamic RAM for transposition tables, and a special 16K of non-volatile RAM that supports the learning feature.
The learning feature is just one facet of a multi-faceted chess algorithm. The program is basically brute force in origin with evolution to incorporate extensive positional analysis and selective extensions during the quiescence search. The positional analysis incorporates extensive heuristics for king safety and pawn structure. Numerous end-game specific routines are incorporated, icluding mate with bishop and knight, complete evaluation of king and pawn vs. king, probably outcome of a pawn race, square of the pawn, bishop and rook pawn of the opposite color, the Philidor and Lucena positions and others. Dynamic recognition of minimum mating material, fifty move rule, and repetition of position assist in forestalling heartbreaking draws in otherwise won positions. The search algorithm uses a depth first, alpha-beta search with the zero width window technique (PVS). The search proceeds iteratively with a quiescence search incorporating captures and certain threats appended beyond the nominal depth. The program will not perform an evaluation on a position where either king is in check. The check must first be resolved by showing the existence of an escape move or mate. Iterations are finally halted under the direction of a time control algorithm which is dynamically incorporated for up to 40 moves in the root position. Two killer moves are stored at every ply. The program performs a preliminary sort on the ply above the quiescence search. The search is supported by extensive transposition tables incorporating random numbers selected using BCH theory.
Fidelity Micro Chess Challenger User Manual User
Chess Computers
- Fidelity Photo collection by Chewbanta
Misc
- ↑Fidelity X chess computer at the 6th World Chess Championship in Edmonton, Alberta, The Computer History Museum, Photo courtesy: Monty Newborn
- ↑Fidelity Electronics from chesscomputers.org
- ↑Fidelity Elite Champion Sensory Chess Challenger from Schachcomputer.info Wiki (German)
- ↑Fidelity Elite Champion from Chess Computer UK by Mike Watters
- ↑Fidelity
- ↑Kings Move - Welcome to the 1989 AGT World Computer Chess Championship. Edmonton, Alberta, Canada, Courtesy of Peter Jennings, from The Computer History Museum, pdf