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Elo-based ratings for TopCoder SRM



Goals

  • Elo 1978 edition
  • Gens una Sumus
  • Aligned incentives

    SRMFix

  • ΔR = 0 in expectation
  • Predicts relative performance
  • 3 factors

    EloSRM

  • Stability adjustments
  • Estimates proficiency over time
  • 7 factors


    Last update: 2025-12-30



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