Medvedev Sergei

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 7, 2026 (latest changes Jan. 7, 2026).

175 place (291.20).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (903.23 * 1.80 * 0.43 + 370.79 * 3.75 * 0.71 + 516.13 * 3.10 * 0.86 + 0 + 0) / (1.80 * 0.43 + 3.75 * 0.71 + 3.10 * 0.86 + 1 + 1) = 377.61645172172837

p2 = (516.13 * 3.10 * 0.86 + 370.79 * 3.75 * 0.71 + 903.23 * 1.80 * 0.43) / max_coefficients = 204.77458193979936

score = 377.61645172172837 * 0.5 + 204.77458193979936 * 0.5 = 291.19551683076384

Rating changes

Show

all results
Date Place Points Reason
2026-01-07 167 -> 175 302.43 -> 291.20

Moscow Open Riichi Marathon: 100% -> 86%
2026-01-03 166 -> 167 302.43
2025-12-27 163 -> 166 302.43
2025-12-25 164 -> 163 302.43
2025-12-13 162 -> 164 308.66 -> 302.43

Moscow Riichi 2024: 86% -> 71%
2025-12-07 156 -> 162 308.66
2025-12-06 154 -> 156 308.66
2025-12-04 156 -> 154 308.66
2025-11-25 157 -> 156 308.66
2025-11-22 155 -> 157 308.66

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 516 2025-01-07 16/32 86% 3.10 RR Moscow Open Riichi Marathon Moscow
2 371 2024-10-13 57/90 71% 3.75 RR Moscow Riichi 2024 Moscow
3 903 2024-05-19 4/32 43% 1.80 CRR "Green Dragon" in the Secret Chamber Korolyov
4 736 2023-06-11 24/88 0% 3.75 RR Money can not buy tenpai Perm
5 587 2022-11-06 32/76 0% 4.20 RR IX Russian Riichi Championship Perm
6 360 2022-06-12 72/112 0% 4.05 RR Moscow Riichi 2022 Moscow