The following is an illustration of how X-IMP scoring works.

 

Take this board as an example.

 

Board No6 E/W Vul Dealer East

Pairs

Contract

Scores

MPs

N/S

E/W

Bid

By

Tks

N/S

E/W

N/S

E/W

1

13

4

E

11

 

650

-1

1

2

1

4

E

13

 

710

-3.1

3.1

3

3

4

E

10

 

620

 

 

5

6

3NT

E

7

200

 

13.2

-13.2

6

8

4

W

11

 

650

-1

1

7

10

4

E

10

 

620

 

 

8

12

4

E

11

 

650

-1

1

10

2

4

E

10

 

620

 

 

11

5

4

E

11

 

650

-1

1

12

7

4

E

13

 

710

-3.1

3.1

13

9

4

E

11

 

650

-1

1

14

11

4

E

12

 

680

-2

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

How are the X-IMPs calculated?

 

Compare your board score with every other score on the board, convert each score to IMPs and take the average.

 

The following are two examples, for N/S1 and N/S5.

 

N/S 1

 

N/S 5

N/S pair

Net score

Net IMP score

 

N/S pair

Net score

Net IMP score

2

+60

2

 

1

+850

13

3

-30

-1

 

2

+910

14

5

-850

-13

 

3

+820

13

6

0

0

 

6

+850

13

7

-30

-1

 

7

+820

13

8

0

0

 

8

+850

13

10

-30

-1

 

10

+820

13

11

0

0

 

11

+850

13

12

+60

2

 

12

+910

14

13

0

0

 

13

+850

13

14

+30

1

 

14

+880

13

Total IMPs

-11

 

Total IMPs

145

Average IMPs

-1

 

Average IMPs

13.2