FIDELITY CHESS CHALLENGER 10 VERSION A ELECTRONIC CHESS COMPUTER
Version A is the early version of Chess Challenger 10. Later, in the same year Fidelity upgraded the software to Version B. Version A’s seems to have a slightly higher quality workmanship, but it is marginal.

FIDELITY CHESS CHALLENGER 10 - Picture taken from Fidelity Chess Challenger 10 Carrying Case
MAIN FIDELITY CHESS CHALLENGER 10 VERSION A GAME CHARACTERISTICS
The Average Response Times per move for each Chess Challenger “10” Level are as follows:
Excerpts taken from Fidelity Chess Challenger 10 user manual.
MORE ABOUT FIDELITY CHESS CHALLENGER 10 VERSION A ELECTRONIC CHESS COMPUTER

FIDELITY CHESS CHALLENGER 10 - Version Comparison
At Schachcomputer.info there is an explanation on how to check which version of Fidelity Chess Challenger 10 you might have.
With Chess Challenger 10 playing White, when opening with the Queen's pawn to d4. You playing as Black, can now force the following responses:
After you have played 2. ... c6 as Black, the two Chess Challenger 10 versions will differ in their next move:
The above picture shows both versions.
Class D Level Electronic Chess Computer!
Fidelity Chess Challenger 10A Carrying Case
Original Vinyl Bags for Chess Pieces



Technical Specification
Fidelity Chess Challenger 10 Version A (1978)



Carrying Case
LED Display
User Manual
Spacious Mind
Schachcomputer.Info
Active 2017
Tourn. 2015
1207
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T1
T2
T3
T4
T5
Final
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MANUFACTURER
PROGRAMMER
Fidelity Electronics, Inc.
Ron Nelson
1800 USCF
1978
$495.00
1153
Year:
MFR ELO:
Original Price:
Wiki ELO:
Model #:
CCX
My Serial #:
70645
Processor OEM
Zilog
Processor:
Z80
Speed:
Type:
8 Bit
4 MHz
ROM:
4 KB
RAM:
512 Byte
Battery Type:
Mains Only
Power Adapter:
9V DC +/-
Display:
LED 4 Char 7 Seg
Board Type:
Non Sensory
Overall Size:
Board Size:
7x7 in
13x8.3/8x1.1/4
Options Select:
Button Select
Play Levels:
10
Opening Book:
69 Half Moves
Take Back:
Not Available
Position Setup:
Available
Position Verify:
Available
Move Analysis:
Display Info:
Not Available
Not Available
Solve Mate:
Mate in 2
Save Game:
Not Available
Ponder:
Not Available
Search Depth:
Not Known
Provide Hint:
Not Available
Teach Mode:
Not Available
Change Sides:
Available
Active Level:
TM Level:
CL10
Infinite Level:
CL7 (24 Hours)
CL3 (35 Seconds)
Hardware Specification
Game Features
Matchplay & Test ELO Ratings
Computer Game Rating
Rating Test
Other Computer Chess Ratings 1985
USCF
USCF
Spacious Mind
Human Rating
USCF
Chess Digest
CCNS
Ply
FIDE
USCF
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1414
1293
Light Wood Chess Pieces
Dark Wood Chess Pieces

