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APR_08_EB_p39 Pain 14/3/08 3:47 pm Page 35

Scoring

SCORING

a teams event

THE majority of games played in clubs up In our four board match the IMPs are

and down the country are pairs games +1, +6, -11 and 0, so we lose the match by

scored by match-points. However many 4 IMPs.

clubs play teams competitions as well. As you can see the scale is not linear and

Around Aylesbury, many clubs play a teams small swings can quickly mount up. In John Pain

competition during the first week of each a match, if you average a plus score

month rather than pairs. Others occasion- between 3 and 4 IMPs on a board you are

ally play Swiss Teams events during the doing very well. IMP swings of up to 13

year and many clubs enter one or more IMPs are quite common but the higher are at stake and are shared between the

teams in the local teams league. ones are rare. two teams depending on the margin of

Unlike pairs, which is usually scored by In some events, such as Swiss Teams and victory.

computer, teams can be scored by the local Leagues, there is a further conversion The green table below shows the scale

players. In a teams of four event, one pair to Victory Points. for a standard 8-board Swiss Teams match:

of our team sits North-South and the

opponents sit East-West whilst, at the VP scoring IMPs IMPs

other table, our other pair sits East-West VPs VPs

difference difference

against the opponents’ North-South pair. In a match just scored by IMPs there is no

Suppose our team plays a four-board limit to the size of the win that a team can 0–0 10 – 10 13 – 15 16 – 4

match against another team and the results obtain so a big win of, say, 50 IMPs in an

are as in the blue table below: 8-board match will give the team a big 1–2 11 – 9 16 – 18 17 – 3

3–4 12 – 8 19 – 23 18 – 2

N/S pair Contract N/S score E/W pair Contract E/W score

5–6 13 – 7 24 – 29 19 – 1

Board 1 3NT+1 by N +430 Board 1 3NT= by N –400

7–9 14 – 6 30 + 20 – 0

Board 2 3♣= by N +110 Board 2 3♠= by W +140

10 – 12 15 – 5

Board 3 4♠ – 2 by S –100 Board 3 4♠= by S –420

So an average of just under 4 IMPs per

Board 4 6♣*= by W –1540 Board 4 6♣*= by W +1540

board is enough to give you a maximum

20-0 win. Unfortunately IMPs in excess of

How has our team done on these four advantage. Victory Points gives a way of 30 are lost, but in some events the

boards? It is a two-stage process. First you capping the win. Various VP scales are organisers offer a round-by-round bonus

add together the two scores on each board. used depending on the number of boards prize for the highest IMP win in the

Board 1 is +430 at the first table and played in the match. In each match 20VPs round.

–400 at the second table. The overtrick

makes a slight profit. Net is +30. Points difference IMPs Points difference IMPs Points difference IMPs

Board 2 is a good score for both our

pairs. A making part-score at both tables. 0-10 0 370-420 9 1500-1740 17

+110 +140 = +250 20-40 1 430-490 10 1750-1990 18

Board 3 is not good for us. Going down

in a game and letting it make in the other 50-80 2 500-590 11 2000-2240 19

room is costly: –100 –420 = –520

90-120 3 600-740 12 2250-2490 20

Board 4 is a flat board, in spite of the

quirky result at both tables. 130-160 4 750-890 13 2500-2990 21

170-210 5 900-1090 14 3000-3490 22

IMP scoring

220-260 6 1100-1290 15 3500-3990 23

These differences are converted using a

scale called International Match Points (or 270-310 7 1300-1490 16 4000+ 24

IMPs for short). The IMP scale is shown in 320-360 8

the yellow table on the right.

www.ebu.co.uk April 2008 English Bridge 35

Index

  1. Page 0001
  2. Page 0002
  3. Page 0003
  4. Page 0004
  5. Page 0005
  6. Page 0006
  7. Page 0007
  8. Page 0008
  9. Page 0009
  10. Page 0010
  11. Page 0011
  12. Page 0012
  13. Page 0013
  14. Page 0014
  15. Page 0015
  16. Page 0016
  17. Page 0017
  18. Page 0018
  19. Page 0019
  20. Page 0020
  21. Page 0021
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  23. Page 0023
  24. Page 0024
  25. Page 0025
  26. Page 0026
  27. Page 0027
  28. Page 0028
  29. Page 0029
  30. Page 0030
  31. Page 0031
  32. Page 0032
  33. Page 0033
  34. Page 0034
  35. Page 0035
  36. Page 0036
  37. Page 0037
  38. Page 0038
  39. Page 0039
  40. Page 0040
  41. Page 0041
  42. Page 0042
  43. Page 0043
  44. Page 0044
  45. Page 0045
  46. Page 0046
  47. Page 0047
  48. Page 0048
  49. Page 0049
  50. Page 0050
  51. Page 0051
  52. Page 0052
  53. Page 0053
  54. Page 0054
  55. Page 0055
  56. Page 0056