[bananalive]

Originally Posted by OttawaGolf

Something doesn't seem right with the ELO calculator:
http://forum.ottawagolf.com/ladders.php?do=elorating

No matter what the score is, the resulting ratings are always the same if the beginning ratings are the same and the winner of the match is the same.

Also, the larger the margin of difference is between opponents is the less gain a winning underdog gets. Example:
If a 1000 beats a 1001 the resulting ratings are 1024.92(winner) and 988.46(loser)
If a 1000 beats a 1030 the resulting ratings are 1022.84(winner) and 1016.42(loser)
and so on up to 1000 beating 2000 resulting in ratings of 1000.15 (winner) and 1975.07(loser)
Shouldn't beating a better opponent result in a higher rating than beating a lesser opponent?
Something just seems wrong with this calculator to me.

Elo rating calculator is wrong. The formula is incorrect - it has yet to be updated to latest one.