Medvedev Sergei

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).

49 place (452.23).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75

p1 = (360.36 * 4.05 * 0.57 + 735.63 * 3.75 * 1 + 586.67 * 4.20 * 1 + 0 + 0) / (4.05 * 0.57 + 3.75 * 1 + 4.20 * 1 + 1 + 1) = 493.84181726117623

p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 1 + 360.36 * 4.05 * 0.57) / max_coefficients = 410.61423728813554

score = 493.84181726117623 * 0.5 + 410.61423728813554 * 0.5 = 452.2280272746559

Rating changes

Show

all results
Date Place Points Reason
2023-10-12 50 -> 49 454.96 -> 452.23

Moscow Riichi 2022: 71% -> 57%
2023-09-28 51 -> 50 454.96
2023-09-06 50 -> 51 454.96
2023-09-03 36 -> 50 473.52 -> 454.96
2023-08-27 35 -> 36 473.52
2023-08-26 34 -> 35 473.52
2023-08-19 35 -> 34 473.52
2023-08-12 37 -> 35 468.77 -> 473.52

Moscow Riichi 2022: 86% -> 71%
2023-07-28 39 -> 37 468.77
2023-07-03 40 -> 39 468.77

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 736 2023-06-11 24/88 100% 3.75 RR Money can not buy tenpai
2 587 2022-11-06 32/76 100% 4.20 RR IX Russian Riichi Championship
3 360 2022-06-12 72/112 57% 4.05 RR Moscow Riichi 2022