old top 15 equal           first half   +729% (worst -35%) | second half   +101% (worst -21%)
old 3 strongest 7d         first half  +1716% (worst -50%) | second half   +258% (worst -22%)
old 3 by -r90+age          first half  +1686% (worst -25%) | second half   +136% (worst -25%)
old 3 by -lo30-r90+age     first half   +654% (worst -33%) | second half   +217% (worst -24%)
old 5 by -lo30-r90+age     first half  +1052% (worst -27%) | second half   +149% (worst -25%)
old random 3, 8 draws: first half median +691% (range +208 to +1736) | second half median +113% (range +73 to +215)
