Scoring
Duplicate Bridge

DUPLICATE BRIDGE SCORING TABLE

This can be found in the Laws of Duplicate Contract Bridge LAW 77

TRICK SCORE - Scored by declarer's side if the contract is fulfilled

Duplicate Scoring

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If Trumps are:

Clubs

Diamonds

Hearts

Spades

For each odd trick bid and made:
Undoubled:

20

20

30

30

Doubled:

40

40

60

60

Redoubled:

80

80

120

120

AT A NO TRUMP CONTRACT:

Undoubled

Doubled

Redoubled

For the first odd trick bid and made:

40

80

160

For each additional trick:

30

60

120

A trick score of 100 points or more,
made on one board, is GAME.
A trick score of less than 100 points is a PART-SCORE

PREMIUM SCORE:

x

For making a Slam:

Not Vulnerable

Vulnerable

Small Slam bid and made:

500

750

Grand Slam bid and made:

1000

1500

OVERTRICKS:

x

x

For each Overtrick:
*tricks made in excess of Contract

Not Vulnerable

Vulnerable

Undoubled:

Trick Value

Trick Value

Doubled:

100

200

Redoubled:

200

400

PREMIUMS FOR GAME / PART-SCORE
FULFILLING CONTRACT:

x

For making GAME, vulnerable:

500

For making GAME, not vulnerable:

300

For making any PART-SCORE:

50

For making any doubled Contract:

50

For making any redoubled Contract:

100

UNDERTRICK PENALTIES:
*Scored by Declarer's Opponents
if the Contract is not fulfilled

x

**Not Vulnerable**:

Undoubled

Doubled

Redoubled

For each Undertrick:

50

100

200

For each additional Undertrick:

50

200

400

Bonus for the 4th and each additional Undertrick:

0

100

200

UNDERTRICK PENALTIES:
*Scored by Declarer's Opponents
if the Contract is not fulfilled

x

**Vulnerable**:

Undoubled

Doubled

Redoubled

For each Undertrick:

100

200

400

For each additional Undertrick:

100

300

600

Bonus for the 4th and each additional Undertrick:

0

0

0


Methods of Scoring
x


Matchpoint Scoring

In matchpoint scoring each contestant is awarded for scores made by different contestants who have played the same board and whose scores are compared with his.

Two scoring units (matchpoints or half matchpoints) for each score inferior to his.
One scoring unit for each score equal to his and Zero units for each score superior to his.


International Matchpoint Scoring

In international matchpoint scoring, on each board
the total point difference between the two scores compared
is converted into IMPs according to the following scale:

20-40

1

50-80

2

90-120

3

130-160

4

170-210

5

220-260

6

270-310

7

320-360

8

370-420

9

430-490

10

500-590

11

600-740

12

750-890

13

900-1090

14

1100-1290

15

1300-1490

16

1500-1740

17

1750-1990

18

2000-2240

19

2250-2490

20

2500-2990

21

3000-3490

22

3500-3990

23

4000 plus

24


x

x
Total Point Scoring

In Total Point Scoring, the net total point score of all boards played is the score for each contestant.
x

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