SamTimer User Manual page 20

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CHESS - HOUR GLASS I
(CH-H1)
Description: One side increases as the other side
decreases, just like the two ends of an hourglass or
eggtimer. An hourglass was the first timing device
used in chess. A player turned it over when he
moved, and as the total time for one side decreased,
the total time for the other increased, and by the same
amount. The SamT imer simulates this timing method
in the hour-glass mode. That is, when it is your turn
to move, your opponent's time increases while yours
decreases, and by the same amount.
Intended use: Casual chess.
Pros: This method is good for playing a
leisurely casual game while still retaining some timing
constraints.
Cons: Since both clocks are always
runninQl (one up, one down) the display can be
confusing.
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CHESS - HOUR GLASS II
(CH - H2)
Description: Same as CH - H1 above except that
only one clock runs at a time. When you move, your
opponent's clock is adjusted up by the time that you
used for your last move, but until that time his clock
appears stopped.
Intended use: Same as CH - H1 above .
Pros: Same as CH - H1 above . Also, the
displays are easier to read since only
one clock is running.
Cons:
None
~ CHESS PROGRESSIVE MODE I (CH - P1)
Description: This is standard chess tournament
timing with unlimited repeating time-controls, also
caUed progressive timing . A player must make forty
moves in two hours, and if he does an hour is added
to his remaining time for the next twenty moves etc.
Since the clock has six digits it is not possible to show
the move counter and the time in hours, minutes, and
seconds at the same time . If the time is less than ten
minutes, the clock will show a double dash followed by
minutes : seconds, and otherwise the time will be
given in hours : minutes . See the remark about
modes with a move counter in the Miscellaneous
Notes on the Modes section above (p 27) .
Intended use: Serious chess or shogi.
Pros: Number of moves made in the time ­
control is displayed .
Cons: Since only six digits can be display ­
ed, it is not possible to show hours, minutes, and
seconds at the same time unless the time remaining is
less than ten minutes.
~
CHESS PROGRESSIVE MODE IA (CH - P1A)
Description: This mode is just like CH
- ~ P1
above,
EXCEPT that the display of a running clock will show
the time in hours, minutes, and seconds if the time is
greater than 10 minute:s - i.e. to make room for the full
time , the move number will not be displayed. (Of
course, the move number on the opponent's clock will
still be displayed .)
Intended use: Serious chess or shogi.
Pros: You get to see the full time when your
clock is running. (There is no reason to show the
move number on both sides.)
Cons: Some players may find the changing
displavs distractinq.