Grishhenko Sergei

From Korolyov, Russia

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Common russian riichi rating (CRR)

Rating date June 9, 2025 (latest changes June 9, 2025).

252 place (92.68).

max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266

p1 = (473.68 * 1.50 * 1 + 66.67 * 2 * 1 + 0 + 0 + 0) / (1.50 * 1 + 2 * 1 + 1 + 1 + 1) = 129.82461538461538

p2 = (473.68 * 1.50 * 1 + 66.67 * 2 * 1) / max_coefficients = 55.54392713323408

score = 129.82461538461538 * 0.5 + 55.54392713323408 * 0.5 = 92.68427125892472

Rating changes

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all results
Date Place Points Reason
2025-06-08 252 92.68

Random not fault: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 67 2025-06-08 15/16 100% 2.00 RR Random not fault Moscow
2 474 2025-05-17 11/20 100% 1.50 CRR HaTiKo Korolyov