In ConfigureDediServer(). The server saves the top N players' ships scoring above a minimum efficiency, keeps up to numAdaptivePresets per mode/rank/role, and each battle requests a number of unique presets within a rank window below the queue max. 

-- Whether to kick players if bots outnumber them.
cvars.sv_kickExcessiveBotsEnabled = 1
-- Best players saved; -1 = all players and ships. (type: integer)
cvars.sv_numBestPlayerToSave = 2
-- Minimum ship efficiency to save a preset. (type: integer)
cvars.sv_minEfficiencyVesselToSave = 1500
-- Preset record limit in DB per mode, rank and role; 0 clears. 
cvars.sv_numAdaptivePresetsInDB = numAdaptivePresets -- 32
-- Unique presets requested per battle. (type: integer; range: 0..100)
cvars.sv_numUniqueAdaptivePresets = 20
-- Rank window below queue max for requested presets.
cvars.sv_rangeRankAdaptivePresets = 3
More bot variety: raise unique presets to 40 and widen rank window to 5. To stop bots copying veterans, raise min efficiency (e.g. 3000) or set DB count 0 once to wipe presets.

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