Medvedev Sergei

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 11, 2026 (latest changes March 10, 2026).

105 place (422.26).

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

p1 = (903.23 * 1.80 * 0.29 + 370.79 * 3.75 * 0.57 + 516.13 * 3.10 * 0.71 + 766.67 * 3 * 1 + 0) / (1.80 * 0.29 + 3.75 * 0.57 + 3.10 * 0.71 + 3 * 1 + 1) = 530.0067408080403

p2 = (766.67 * 3 * 1 + 516.13 * 3.10 * 0.71 + 370.79 * 3.75 * 0.57 + 903.23 * 1.80 * 0.29) / max_coefficients = 314.5063545150502

score = 530.0067408080403 * 0.5 + 314.5063545150502 * 0.5 = 422.25654766154526

Rating changes

Show

all results
Date Place Points Reason
2026-03-10 106 -> 105 422.26
2026-03-07 104 -> 106 429.57 -> 422.26

Moscow Open Riichi Marathon: 86% -> 71%
2026-03-02 103 -> 104 429.57
2026-03-01 105 -> 103 429.57
2026-02-27 106 -> 105 429.57
2026-02-23 100 -> 106 429.57
2026-02-13 99 -> 100 431.90 -> 429.57

Moscow Riichi 2024: 71% -> 57%
2026-02-09 98 -> 99 431.90
2026-02-08 96 -> 98 431.90
2026-02-04 97 -> 96 431.90

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 767 2026-01-07 8/31 100% 3.00 RR Moscow Open Riichi Marathon 2026 Moscow
2 516 2025-01-07 16/32 71% 3.10 RR Moscow Open Riichi Marathon Moscow
3 371 2024-10-13 57/90 57% 3.75 RR Moscow Riichi 2024 Moscow
4 903 2024-05-19 4/32 29% 1.80 CRR "Green Dragon" in the Secret Chamber Korolyov
5 736 2023-06-11 24/88 0% 3.75 RR Money can not buy tenpai Perm
6 587 2022-11-06 32/76 0% 4.20 RR IX Russian Riichi Championship Perm
7 360 2022-06-12 72/112 0% 4.05 RR Moscow Riichi 2022 Moscow