Medvedev Sergei

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

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

78 place (309.20).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55

p1 = (586.67 * 4.20 * 1 + 360.36 * 4.05 * 1 + 0 + 0 + 0) / (4.20 * 1 + 4.05 * 1 + 1 + 1 + 1) = 348.752

p2 = (586.67 * 4.20 * 1 + 360.36 * 4.05 * 1) / max_coefficients = 269.65360824742265

score = 348.752 * 0.5 + 269.65360824742265 * 0.5 = 309.2028041237113

Rating changes

Show

all results
Date Place Points Reason
2023-01-28 80 -> 78 307.76 -> 309.20
2023-01-14 78 -> 80 307.76
2023-01-03 80 -> 78 307.76
2022-12-19 81 -> 80 306.48 -> 307.76
2022-12-18 80 -> 81 306.48
2022-11-28 80 303.44 -> 306.48
2022-11-06 80 303.44

IX Russian Riichi Championship: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 587 2022-11-06 32/76 100% 4.20 RR IX Russian Riichi Championship
2 360 2022-06-12 72/112 100% 4.05 RR Moscow Riichi 2022