@bull_mtn, thanks for the input. While I don't agree, and feel that you and your club are truly "missing the point", it IS your club and your tournament. I'll be there, and shooting a .30 caliber gun since that gives me an advantage over the smaller calibers.
Plugging targets to a common size levels or equalizes the playing field, and makes the tournament truly fair. It has nothing to do with .177 getting plugged to 70% larger than the original hole. It has everything to do with the CENTER of the pellet hole, and making sure the true mark is scored. Isn't that what we do? Center to center groups, hitting it right in the center, etc.???
The center is where your pellet hits, the edge of the hole means nothing. But the only way to score it is to measure to the edge of the hole nearest the inside scoring line. So we use the edge of the hole, but what we're really measuring is how close the center is to the scoring line. So measuring the edge only, and not plugging to a common size gives the larger pellets a distinct advantage. A .177 has to have the center closer to the scoring line than a .30 caliber pellet to get the same score. So to get the same score, the .177 has to shoot more accurately.
You may think "does it really make that much of a difference?" Look at it this way. At EBR 2018, the three top scores (2 Pro and 1 Sportsman) were within 1 point of each other. Winner at 215, the other two at 214. However, the two at 214 were shooting .30 caliber guns, and the winner shot .22. I'm fairly certain that had EBR not plugged to a common size, Claudio Flores would not have won the EBR Main Event in 2018.
So like I said, of course I won't handicap myself, and I'll be shooting my .30 FX Bobcat Mk2 instead of my .22 EDgun R3 Long.