yasnikov
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I once encountered a bug on a single-player random map (1 player against 1 computer, difficulty 200%). Immediately after creating the map, I received a message about my victory (or maybe it was when the turn changed, I don't remember exactly). So, I assume that the computer didn't even create a player. This happened only once and didn't repeat.
However, I have WOG installed, but WOGification was disabled during map generation; I don't know if that might have had an impact.