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

BRU (on 77.3321 points) at home -vs- WAR (on 77.1425 points)

Possible Outcome Rating Point
Exchange New BRU
Rating New WAR
Rating Will WAR
overtake BRU?

If BRU win by 1-15 points 0.681 78.01 76.46 No

If BRU win by more than 15 1.022 78.35 76.12 No

If result is a draw 0.319 77.01 77.46 Yes

If WAR win by 1-15 points 1.319 76.01 78.46 Yes

If WAR win by more than 15 1.978 75.35 79.12 Yes

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Possible Outcome	Rating Point Exchange	New BRU Rating	New WAR Rating	Will WAR overtake BRU?
If BRU win by 1-15 points	0.681	78.01	76.46	No
If BRU win by more than 15	1.022	78.35	76.12	No
If result is a draw	0.319	77.01	77.46	Yes
If WAR win by 1-15 points	1.319	76.01	78.46	Yes
If WAR win by more than 15	1.978	75.35	79.12	Yes

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