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 current IRB rating 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 part of a Rugby World Cup tournament?

4) Click

Home	Rating	Away	Rating
1) Enter the current IRB rating 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 part of a Rugby World Cup tournament?
4) Click

WAL (on 78.58 points) at home -vs- SCO (on 79.81 points)

Possible Outcome Rating Point
Exchange New WAL
Rating New SCO
Rating Will WAL
overtake SCO?

If WAL win by 1-15 points 0.823 79.40 78.99 Yes

If WAL win by more than 15 1.235 79.81 78.58 Yes

If result is a draw 0.177 78.40 79.99 No

If SCO win by 1-15 points 1.177 77.40 80.99 No

If SCO win by more than 15 1.765 76.81 81.58 No

Rankings from IRB website as at 06 September

www.pickandgo.info
© Lassen Creative Technologies Ltd MMV

Possible Outcome	Rating Point Exchange	New WAL Rating	New SCO Rating	Will WAL overtake SCO?
If WAL win by 1-15 points	0.823	79.40	78.99	Yes
If WAL win by more than 15	1.235	79.81	78.58	Yes
If result is a draw	0.177	78.40	79.99	No
If SCO win by 1-15 points	1.177	77.40	80.99	No
If SCO win by more than 15	1.765	76.81	81.58	No
	Rankings from IRB website as at 06 September

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