Английская Википедия:International Match Points

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International match points (IMP) within the card game of contract bridge is a measurement for conversion of the absolute contract bridge scores. The total point difference between two scores is compared to a scale ranging from 1 to 24.[1][2]

Revised IMP table effective September 1, 1962[3]
Point difference IMPs Point difference IMPs Point difference IMPs
from to from to from to
0 10 0 370 420 9 1750 1990 18
20 40 1 430 490 10 2000 2240 19
50 80 2 500 590 11 2250 2490 20
90 120 3 600 740 12 2500 2990 21
130 160 4 750 890 13 3000 3490 22
170 210 5 900 1090 14 3500 3990 23
220 260 6 1100 1290 15 4000 or more 24
270 310 7 1300 1490 16
320 360 8 1500 1740 17

IMP score is used in competition bridge, including duplicate bridge (including at some online bridge websites),[4] but rarely within any kind of companion bridge, and never if playing rubber bridge.[5]

Tactics at IMPs differ from those of matchpoints and are similar to those of rubber bridge. The declarer's primary objective is to make the contract without jeopardizing it in a quest for overtricks; for the defense it is to defeat the contract without worrying about surrendering overtricks.[6]

References

Шаблон:Reflist


Шаблон:Bridge-game-stub