Medvedev Sergei

From Moscow, Russia

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Internal rating (RR)

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

119 place (368.14).

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

p1 = (370.79 * 3.75 * 0.57 + 516.13 * 3.10 * 0.71 + 766.67 * 3 * 1 + 0 + 0) / (3.75 * 0.57 + 3.10 * 0.71 + 3 * 1 + 1 + 1) = 452.85281305706485

p2 = (766.67 * 3 * 1 + 516.13 * 3.10 * 0.71 + 370.79 * 3.75 * 0.57) / max_coefficients = 283.4367892976589

score = 452.85281305706485 * 0.5 + 283.4367892976589 * 0.5 = 368.14480117736184

Rating changes

Show

all results
Date Place Points Reason
2026-03-07 116 -> 119 377.22 -> 368.14

Moscow Open Riichi Marathon: 86% -> 71%
2026-03-01 118 -> 116 377.22
2026-02-23 112 -> 118 377.22
2026-02-13 111 -> 112 381.66 -> 377.22

Moscow Riichi 2024: 71% -> 57%
2026-02-08 107 -> 111 381.66
2026-01-30 108 -> 107 381.66
2026-01-26 109 -> 108 381.66
2026-01-25 106 -> 109 381.66
2026-01-14 108 -> 106 381.66
2026-01-12 109 -> 108 381.66

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
4 736 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