Medvedev Sergei

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 9, 2023 (latest changes Nov. 9, 2023).

54 place (446.11).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002

p1 = (360.36 * 4.05 * 0.57 + 586.67 * 4.20 * 0.86 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.57 + 4.20 * 0.86 + 3.75 * 1 + 1 + 1) = 489.0650626415146

p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 0.86 + 360.36 * 4.05 * 0.57) / max_coefficients = 403.1464711211874

score = 489.0650626415146 * 0.5 + 403.1464711211874 * 0.5 = 446.105766881351

Rating changes

Show

all results
Date Place Points Reason
2023-11-06 51 -> 54 452.23 -> 446.11

IX Russian Riichi Championship: 100% -> 86%
2023-11-05 49 -> 51 452.23
2023-10-27 50 -> 49 452.23
2023-10-12 51 -> 50 454.96 -> 452.23

Moscow Riichi 2022: 71% -> 57%
2023-09-28 52 -> 51 454.96
2023-09-06 51 -> 52 454.96
2023-09-03 37 -> 51 473.52 -> 454.96
2023-08-27 36 -> 37 473.52
2023-08-26 35 -> 36 473.52
2023-08-19 36 -> 35 473.52

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 86% 4.20 RR IX Russian Riichi Championship
3 360 2022-06-12 72/112 57% 4.05 RR Moscow Riichi 2022