An unknown province from Ready to Detonate Msg For War (7:3) captured 1 acre of land from Spectre (7:8).

NW diff was 25k, (200k vs 175k) land diff was 200 acres (875 vs 679) can anyone explain why my KD mate only got 1 acre? The guy had light GBP, and no GS.

P.S: KDmate is the larger of the 2 above