Medvedev Sergei

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Sept. 3, 2025 (latest changes Sept. 3, 2025).

161 place (252.83).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (370.79 * 3.75 * 1 + 516.13 * 3.10 * 1 + 0 + 0 + 0) / (3.75 * 1 + 3.10 * 1 + 1 + 1 + 1) = 303.5989847715736

p2 = (516.13 * 3.10 * 1 + 370.79 * 3.75 * 1) / max_coefficients = 202.05743243243242

score = 303.5989847715736 * 0.5 + 202.05743243243242 * 0.5 = 252.82820860200303

Rating changes

Show

Date Place Points Reason
2025-09-03 164 -> 161 252.83
2025-09-01 164 250.17 -> 252.83
2025-08-31 160 -> 164 250.17
2025-08-04 160 249.21 -> 250.17
2025-08-03 154 -> 160 249.21
2025-07-30 156 -> 154 249.21
2025-07-14 157 -> 156 249.21
2025-07-13 155 -> 157 249.21
2025-07-12 156 -> 155 247.39 -> 249.21
2025-07-10 157 -> 156 247.39

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 516 2025-01-07 16/32 100% 3.10 RR Moscow Open Riichi Marathon Moscow
2 371 2024-10-13 57/90 100% 3.75 RR Moscow Riichi 2024 Moscow
3 736 2023-06-11 24/88 0% 3.75 RR Money can not buy tenpai Perm
4 587 2022-11-06 32/76 0% 4.20 RR IX Russian Riichi Championship Perm
5 360 2022-06-12 72/112 0% 4.05 RR Moscow Riichi 2022 Moscow