If anyone is curious, the most common tool I've seen for ELO estimation among engine developers is cutechess [1], which uses SPRT [2]. Or ordo [3], haven't used

If anyone is curious, the most common tool I've seen for ELO estimation among engine developers is cutechess [1], which uses SPRT [2]. Or ordo [3], haven't used this myself though [1] https://cutechess.com/ https://cutechess.com/ [2] https://www.chessprogramming.org/Sequential_Probability_Ratio_Test https://www.chessprogramming.org/Sequential_Probability_Rati... [3] https://github.com/michiguel/Ordo https://github.com/michiguel/Ordo