Is it me or toxic was a classic 21 tile per power ratio map, and you changed your mind and built a 14 tile per power ratio map instead ?
Yeah, pretty much. Also, concave chokepoints are now even more concave. Moreover, oils were moved into an even more turtling position. So it's a deliberately very defensive map for long games. And i don't think that defensive games on a 80x80 map is really bad. That said, i've been defeated here by a tank army on howitzer phase once.
I'm not sure how exactly this works in FFA, when power would suddenly double up on one of the sides due to a temporary alliance against the strongest player (which would be the turtliest player), or death of one of the enemies (the biggest risk for a turtle who's not yet ready to come out). So i've no idea how to calculate power ratio - it might actually still be something along the lines of 28 (?)
P.S. Bugfix: add another generator per base (since we have 5 derricks), make wider borders (and scroll limits), fix misaligned lab on grey base, flatten base terrain a bit.