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

SHA (on 82.9556 points) at home -vs- BUL (on 76.1662 points)

Possible Outcome Rating Point
Exchange New SHA
Rating New BUL
Rating Will BUL
overtake SHA?

If SHA win by 1-15 points 0.021 82.98 76.15 No

If SHA win by more than 15 0.032 82.99 76.13 No

If result is a draw 0.979 81.98 77.15 No

If BUL win by 1-15 points 1.979 80.98 78.15 No

If BUL win by more than 15 2.968 79.99 79.13 No

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Possible Outcome	Rating Point Exchange	New SHA Rating	New BUL Rating	Will BUL overtake SHA?
If SHA win by 1-15 points	0.021	82.98	76.15	No
If SHA win by more than 15	0.032	82.99	76.13	No
If result is a draw	0.979	81.98	77.15	No
If BUL win by 1-15 points	1.979	80.98	78.15	No
If BUL win by more than 15	2.968	79.99	79.13	No

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