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

FOR (on 80.4668 points) at home -vs- BUL (on 79.4558 points)

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

If FOR win by 1-15 points 0.599 81.07 78.86 No

If FOR win by more than 15 0.898 81.37 78.56 No

If result is a draw 0.401 80.07 79.86 No

If BUL win by 1-15 points 1.401 79.07 80.86 Yes

If BUL win by more than 15 2.102 78.37 81.56 Yes

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Possible Outcome	Rating Point Exchange	New FOR Rating	New BUL Rating	Will BUL overtake FOR?
If FOR win by 1-15 points	0.599	81.07	78.86	No
If FOR win by more than 15	0.898	81.37	78.56	No
If result is a draw	0.401	80.07	79.86	No
If BUL win by 1-15 points	1.401	79.07	80.86	Yes
If BUL win by more than 15	2.102	78.37	81.56	Yes

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