Medvedev Sergei

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 19, 2023 (latest changes Dec. 19, 2023).

51 place (440.73).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001

p1 = (360.36 * 4.05 * 0.43 + 586.67 * 4.20 * 0.86 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.43 + 4.20 * 0.86 + 3.75 * 1 + 1 + 1) = 495.7787770676504

p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 0.86 + 360.36 * 4.05 * 0.43) / max_coefficients = 385.69118767816013

score = 495.7787770676504 * 0.5 + 385.69118767816013 * 0.5 = 440.7349823729053

Rating changes

Show

all results
Date Place Points Reason
2023-12-19 52 -> 51 440.73
2023-12-12 53 -> 52 444.69 -> 440.73

Moscow Riichi 2022: 57% -> 43%
2023-11-28 55 -> 53 444.69
2023-11-26 51 -> 55 446.11 -> 444.69
2023-11-20 53 -> 51 446.11
2023-11-06 50 -> 53 452.23 -> 446.11

IX Russian Riichi Championship: 100% -> 86%
2023-11-05 48 -> 50 452.23
2023-10-27 49 -> 48 452.23
2023-10-12 50 -> 49 454.96 -> 452.23

Moscow Riichi 2022: 71% -> 57%
2023-09-28 51 -> 50 454.96

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 43% 4.05 RR Moscow Riichi 2022