Carromco Ascot-601 Instructions De Montage page 25

At the end of each player's turn, the sum of the three darts thrown is
subtracted from the player's score. The player who reaches exactly zero first
wins. The play can continue until the 2nd, 3rd, and 4th places are
determined.
Busting Rule: When a player exceeds the score needed to reach
exactly zero, the turn is a "bust" and the score reverts back to what it was
before the turn.
To make the game more challenging, you may use the DOUBLE
button to set additional restrictions on how to start and end the game. The
choices are:
Open In: The scoring begins when any number is hit.
Open Out: The player can finish the game with a hit on any number
that reduces the score to exactly zero.
Double In: To start, the player must hit a number in the double ring or
a double Bull's Eye. No score will be counted until this condition is satisfied.
Double Out: To win, the player must hit a double or a double Bull's
Eye that reduces the score to exactly zero. A score leaving the player with
"1" will BUST.
Master Out: To win, the player must hit a double, a double Bull's Eye,
or a triple that reduces the score to exactly zero. A residual score of "1" will
BUST.
Dart Out Feature: In professional competitions, the game is usually
played with Double Out. When the score dropped below 170 points, the
player can get a double out and win the game within the three throws for that
turn. The board will automatically calculate and show hints for Dart Out. The
hints will be shown, one at a time per throw, in its suggested order. If the
player misses the first suggestion and still has the chance to finish with the
remaining two throws, the board will re-calculate hints for Dart Out. No hints
will be provided for score below 40, since it will be very easy to figure out the
combination.
LEAGUE 301-1001
This is a team play of the 301-1001 game, very popular among dart
leagues. There are always 2 teams and 4 scores to track. Player 1 and
Player 3 play against Player 2 and Player 4. The game is played the same
way as the individual 301-1001 game. Any player reducing his/her score to
exact zero first makes his/her team a winner, BUT a "Freeze Rule" applies.
Freeze Rule: A player can not go out the game when the partner's
residual score is higher than the sum of their opponents' residual scores. (A
tie is OK to go out.) A "frozen" player can only try to get his/her score as low
as possible and hope his/her partner can win. If a player is frozen and
reaches zero, then the game is Burst on that player.
The rule is to ensure that the winning team has the best combined
performance, and none can win the game without the help of his/her partner.
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