• ˆ Contents Features..3 Preparation.. 4 Installing/Replacing Batteries. 4 Resetting the Computer.5 Turning the Computer On/Off. 5 Setting the Automatic Shut-Off Time. 5 Turning the Sound On/Off.6 Adjusting the Contrast.. 6 Basic Chess Instructions.

• ˆ Features Rule Enforcement — the computer Your RadioShack E-Chess computer is one of the most versatile chess prevents illegal moves like a game computers available. Your computer referee, to help beginners learn the can play chess at a relative strength rules. • ˆ Preparation INSTALLING/REPLACING BATTERIES Your computer requires three AA bat- teries (not supplied) for power. For the best performance and longest life, we recommend RadioShack alkaline batteries. Place the batteries in the com- • Use only fresh batteries of the partment as indicated by the required size and recommended polarity. • chemicals that can destroy electronic computer resets itself to Level 01. More information, see “Chess Play Levels” on Page 12.

RESETTING THE To save the current game and turn off COMPUTER the computer, press RATING/OFF If your computer does not work prop- Important: If the computer is think- erly after you replace the batteries, in- ing, it might not turn off when you. • ' ' ' ' To continue playing the current game, except error beep), (no key ( ( ( ( press sound), or (all sounds on) CLEAR/ON appears. TURNING THE SOUND To continue playing the current game, ON/OFF press again. CLEAR/ON The computer normally sounds beeps ADJUSTING THE during a game and every time you.

RADIO SHACK PARTNER 1680X Electronic Chess Computer. Picture taken from Radio Shack Partner 1680X box. Your RADIO SHACK PARTNER 1680X Chess Computer is a relentless and versatile chess opponent. Easy to set up and play, it can teach you proven strategies and tactics used by grandmasters. MAIN RADIO SHACK PARTNER 1680X GAME CHARACTERISTICS.

• GAME RULES horizontally or vertically, then moves 1 additional square at a right angle from its first move. At the end of its Checkmate — The Object of move, the knight must land on a the Game square of a different color than the one it started from. The black pawn advances from • The rook that you want to move D7 to D5. 2015 3ds max. By castling has not moved from its original position.

The white pawn advances to D6 (one square behind the black • The king is not placed in check pawn's position). • ENTERING MOVES instead of MOVE NEXT MOVE to move more quickly. Playing chess against the computer is • To select a different piece after like playing with a human opponent you pressed LAST MOVE — you make your move, and the in this step NEXT MOVE. • to indicate it is your turn to move. Then you can take over and move, and the game timer con- enter moves for the computer's side tinues to count up. And continue to play the same game. HAVING THE COMPUTER SHOWING ALL LEGAL SUGGEST A MOVE MOVES.

• DISPLAYING GAME 3. Repeatedly press NEXT PIECE Ed Ed Ed Ed until appears (the LAST PIECE INFORMATION computer displays the move score) or disappears (the com- Elapsed Time Since Current puter displays the sequence of Game Started the current move). The computer normally shows the 4. • GAME INDICATORS Rating eý eý eý eý When appears, the computer can Checkmate rate the game you are playing. Whenever a checkmate situation oc- 1. Press then SHIFT RATING/OFF curs on the board, the computer The current rating appears. Sounds a beep.

If you checkmated BEI. Press to start the Level L1 is the easiest.

The comput- CLEAR/ON game. Er’s playing strength increases gradu- ally up through L4.

Choosing a Level Level Time Per Move Each level allows your computer to 4 Seconds think for different periods of time (tournament players call these peri- 8 Seconds ods “time controls”). • Level Time Per Move Level Time Per Move 15 Seconds 1 Minute 17 Seconds 17 Seconds 1 Minute 19 Seconds 19 Seconds 1 Minute 21 Seconds 21 Seconds 1 Minute 23 Seconds 23 Seconds 1 Minute 25 Seconds 25 Seconds 1 Minute 27 Seconds 27 Seconds 1 Minute 29 Seconds. • find any way to checkmate an oppo- Notes: nent. • The computer’s thinking time might vary if you select a level Setting a Level Mode mode. You can set the computer to change • You can set a level mode at any the way it plays within a level. • SELECTING AN gies so the computer can respond more rapidly during a game’s opening OPPONENT moves.