Inverting the antibody affinity-maturation selection operator f = sigma . phi . a: design archive of two orthogonal lines, phi simulation-based inference + sigma analytic inversion, with a three-line progress presentation

A Red Queen-style symmetric melee evolution sandbox: grid-world agent-based simulation that faithfully records full time-series data for others to learn selection operators from; a pure data recorder with no built-in learner and no hand-written fitness