Key facts
- Manuals
- 3
- Models
- 1
- Languages
- EN
- Last added
- 2012-03-21
Chess models by category
Featured Chess manuals

Alec L4827 Chess Trainer User Manual
This manual provides step‑by‑step instructions for installing batteries, turning the device on, and playing chess using the built‑in keys and display. It describes the GO/STOP power key, NEW GAME, LEVEL selection, HINT, and other controls, as well as how the sensory chessboard detects piece movement.
Additional sections cover special modes such as Teach Mode, Non‑Auto Mode, and Verify Mode, explain the 64 playing levels, and give technical details like battery requirements, auto‑power‑down, and game memory retention.
Covers: Quick Start · Keys and Features · Introduction · Additional Features · Playing Levels · Special Modes

Chess Explorer User Manual
This manual explains how to install batteries, power on the unit, and start playing using the Quick Start steps. It describes the board’s sensory squares, display window, and all game keys such as GO/STOP, CLEAR, ENTER, and LEVEL.
Further sections cover playing levels, info mode, special moves, level selection, and technical details like battery replacement and troubleshooting tips.
Covers: Quick Start · English Keys and Features · Playing Levels · Info Mode · Options for Fun and Variety · Verifying/Setting Up Positions

Chess Challenger L4827 User Manual
This manual introduces the Chess Challenger electronic chess computer, describing its battery compartment, sensory chessboard, piece storage, adapter socket, display window and board lights. It guides users through powering the unit, inserting batteries or an AC‑DC adapter, and resetting for a new game.
The document details all operating modes—Game, Level, Study, Info, Option, Position and Teach—along with key functions such as taking back moves, changing sides, and interrupting the computer’s search. It also covers level selection (64 levels), technical specifications, maintenance, and a troubleshooting guide.
Covers: Quick Start · Keys and Features · Getting Started · Game Modes · Playing Levels · Info Mode
Latest Chess manuals
Alec L4827 Chess Trainer User Manual
User Manual 51 pages · 2.7 MB · ENThe Alec Chess Trainer user manual explains setup, operation, features, and troubleshooting for models L4827‑L4828.
Chess Explorer User Manual
User Manual 119 pages · 1.3 MB · ENThe Chess Explorer user manual provides setup, operation, and troubleshooting instructions for the electronic chess computer.
Chess Challenger L4827 User Manual
User Manual 64 pages · 1011 KB · ENThe Chess Challenger L4827 user manual explains setup, controls, game modes, level selection and troubleshooting for the electronic chess computer.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Chess manuals
How do I reset the computer for a new game?
Press the CLEAR and ENTER keys together to reset the unit for a new game.
How many moves can I take back?
You can take back up to 30 individual moves (or 15 moves per side).
How do I turn the Chess Challenger on?
Press the GO/STOP key; a beep will confirm that the unit is powered on.
