Medvedev Sergei

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 22, 2026 (latest changes May 19, 2026).

114 place (413.63).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (370.79 * 3.75 * 0.43 + 516.13 * 3.10 * 0.57 + 766.67 * 3 * 1 + 450.98 * 2.30 * 1 + 0) / (3.75 * 0.43 + 3.10 * 0.57 + 3 * 1 + 2.30 * 1 + 1) = 500.8415482007194

p2 = (766.67 * 3 * 1 + 450.98 * 2.30 * 1 + 516.13 * 3.10 * 0.57 + 370.79 * 3.75 * 0.43) / max_coefficients = 326.426936026936

score = 500.8415482007194 * 0.5 + 326.426936026936 * 0.5 = 413.63424211382767

Rating changes

Show

all results
Date Place Points Reason
2026-05-19 99 -> 114 447.45 -> 413.63

"Green Dragon" in the Secret Chamber: 14% -> 0%
2026-05-17 98 -> 99 447.45
2026-05-15 99 -> 98 447.45
2026-05-14 100 -> 99 447.45
2026-05-12 101 -> 100 447.45
2026-05-07 98 -> 101 453.91 -> 447.45

Moscow Open Riichi Marathon: 71% -> 57%
2026-05-03 96 -> 98 452.77 -> 453.91
2026-05-02 97 -> 96 452.77
2026-05-01 98 -> 97 452.77
2026-04-26 99 -> 98 452.77

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 451 2026-03-14 29/52 100% 2.30 CRR "Furin" club tournament: for the anniversary Moscow
2 767 2026-01-07 8/31 100% 3.00 RR Moscow Open Riichi Marathon 2026 Moscow
3 516 2025-01-07 16/32 57% 3.10 RR Moscow Open Riichi Marathon Moscow
4 371 2024-10-13 57/90 43% 3.75 RR Moscow Riichi 2024 Moscow
5 903 2024-05-19 4/32 0% 1.80 CRR "Green Dragon" in the Secret Chamber Korolyov
6 736 2023-06-11 24/88 0% 3.75 RR Money can not buy tenpai Perm
7 587 2022-11-06 32/76 0% 4.20 RR IX Russian Riichi Championship Perm
8 360 2022-06-12 72/112 0% 4.05 RR Moscow Riichi 2022 Moscow