Hi Jim,
Revolver 2.0 JA is for me not faster.
PZChessBot 7.0 JA is for me slightly faster.
From
GOOB is since a while v2.0.0 available.
GOOB by Gabriel Montes, Philippines
https://github.com/Gabrielkaos/ChessEngineGoobC
Also from
Roc it can be interesting to have your compile
The newer version is 1.11, maybe interesting is from 2.05 also to have a faster compile:
Roc = Gull derived
Roc 1.11 by Tom Hyer, USA ... two times updated in the last months
https://github.com/TomHyer/Roc
Roc 2.05 by Tom Hyer, USA
https://github.com/TomHyer/Roc2
Best
Frank
If you have time for it and it is not again your rules.
Have a nice weekend!