rank=4     rho=0.9017  recovery=0.062  eff_rank=44.9
rank=8     rho=0.9058  recovery=0.129  eff_rank=71.3
rank=16    rho=0.9281  recovery=0.956  eff_rank=95.7
rank=32    rho=0.9282  recovery=0.938  eff_rank=109.5
rank=64    rho=0.9284  recovery=0.958  eff_rank=106.3
rank=128   rho=0.9285  recovery=0.961  eff_rank=106.0
rank=256   rho=0.9285  recovery=0.958  eff_rank=106.0
{"chance": 0.00390625}