rating point exchange

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If you've ever tried to get your head around how the IRB Rugby World Rankings work, this might help.
Based on this detailed explanation on the IRB website, the following program emulates the method used
for calculating rating points exchange; the basis of the official ranking system. The same algorithm is
used for building pick & go's relative ranking matrix and the Super Rugby rankings.

Rating Points Exchange Calculator

Home Rating Away Rating

1) Enter the S15 ranking points of the

team here:

and the

team here:

(for example... WAL 76.92 SCO 76.36)

2) Is the match being played at a Neutral venue (where neither side has Home Advantage)?

3) Is this match a Super 15 semi or final?

4) Click

Home	Rating	Away	Rating
1) Enter the S15 ranking points of the	team here:	and the	team here:
(for example... WAL	76.92	SCO	76.36)
2) Is the match being played at a Neutral venue (where neither side has Home Advantage)?
3) Is this match a Super 15 semi or final?
4) Click

CHI (on 88.7109 points) at home -vs- HIG (on 86.4215 points)

Possible Outcome Rating Point
Exchange New CHI
Rating New HIG
Rating Will HIG
overtake CHI?

If CHI win by 1-15 points 0.471 89.18 85.95 No

If CHI win by more than 15 0.707 89.42 85.71 No

If result is a draw 0.529 88.18 86.95 No

If HIG win by 1-15 points 1.529 87.18 87.95 Yes

If HIG win by more than 15 2.293 86.42 88.71 Yes

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Possible Outcome	Rating Point Exchange	New CHI Rating	New HIG Rating	Will HIG overtake CHI?
If CHI win by 1-15 points	0.471	89.18	85.95	No
If CHI win by more than 15	0.707	89.42	85.71	No
If result is a draw	0.529	88.18	86.95	No
If HIG win by 1-15 points	1.529	87.18	87.95	Yes
If HIG win by more than 15	2.293	86.42	88.71	Yes

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