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 86.5996 points) at home -vs- CRU (on 84.6637 points)

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

If CHI win by 1-15 points 0.506 87.11 84.16 No

If CHI win by more than 15 0.760 87.36 83.90 No

If result is a draw 0.494 86.11 85.16 No

If CRU win by 1-15 points 1.494 85.11 86.16 Yes

If CRU win by more than 15 2.240 84.36 86.90 Yes

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Possible Outcome	Rating Point Exchange	New CHI Rating	New CRU Rating	Will CRU overtake CHI?
If CHI win by 1-15 points	0.506	87.11	84.16	No
If CHI win by more than 15	0.760	87.36	83.90	No
If result is a draw	0.494	86.11	85.16	No
If CRU win by 1-15 points	1.494	85.11	86.16	Yes
If CRU win by more than 15	2.240	84.36	86.90	Yes

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