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

REB (on 71.7973 points) at home -vs- RED (on 74.9276 points)

Possible Outcome Rating Point
Exchange New REB
Rating New RED
Rating Will REB
overtake RED?

If REB win by 1-15 points 1.013 72.81 73.91 No

If REB win by more than 15 1.520 73.32 73.41 No

If result is a draw 0.013 71.81 74.91 No

If RED win by 1-15 points 0.987 70.81 75.91 No

If RED win by more than 15 1.480 70.32 76.41 No

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Possible Outcome	Rating Point Exchange	New REB Rating	New RED Rating	Will REB overtake RED?
If REB win by 1-15 points	1.013	72.81	73.91	No
If REB win by more than 15	1.520	73.32	73.41	No
If result is a draw	0.013	71.81	74.91	No
If RED win by 1-15 points	0.987	70.81	75.91	No
If RED win by more than 15	1.480	70.32	76.41	No

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