In the game of rubber bridge, the scoring is as illustrated as in the example below.

The first contract is 2 Diamonds declared by North and an overtrick is made. The contract of 2 Diamonds has been fulfilled and a bonus score of 40 points is entered below the line. However, for the one overtrick, a 20 points are added above the line.

Note: For bonus points the general manner of data entry is lowest above the line. Other bonus points are added above.

The second contract is 1 Spade declared by East and three overtricks are made. Only the 30 points for the contract are entered below the line, and 90 points (30+30+30) for the three overtricks are entered above the line.

The third contract is 3 Spades declared by North with one undertrick. North/South receive no score below the line, but East/West are awarded 50 bonus points for the undertrick above the line (100 for the first doubled trick plus 200 for the second doubled trick for a total of 300 points).

The fourth contract is 4 Hearts doubled declared by South with two undertricks. North/South receive no score below the line, but East/West are awarded 300 bonus points above the line, since neither side is vulnerable.

The fifth contract is 3 Hearts doubled declared by West with two undertricks. North/South receive 300 bonus points above the line, whereas East/West receive no score.

The sixth contract is 5 Clubs declared by West with one undertrick. East/West receive no score, and North/South are awarded 50 bonus points above the line.

On the seventh contract West declares 3 Spades and one overtrick. East/West receive 90 points below the line and 30 points above the line. East/West are now vulnerable since East/West have won the first round.

     
North/South     East/West
Bonus Points Above the Line     Bonus Points Above the Line
            Bonus Points                 Bonus Points
                              30
            50                 300
            300                 50
            20                 90
Points Below the Line     Points Below the Line
Contract   Declarer   Result   Final Score     Contract   Declarer   Results   Final Score
2   North   +1   40     1   East   +3   30
3   North   -1         3 dbl   West   -2    
4   South   -2         5   West   -1    
3   West   +1   90                  

If one team, in this example, receives 100 points or more below the line, then this team becomes vulnerable. If, in this example, East/West receives twice in a row 100 points or more below the line, then East/West receive a bonus of 700 points above the line.

If, however, North/South receives 100 points or more below the line before East/West, then North/South become vulnerable. This means that both teams are vulnerable, and the first team to receive another 100 points or more below the line then receives 500 bonus points above the line.

 


     
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