Medvedev Sergei

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 6, 2023 (latest changes March 6, 2023).

81 place (309.20).

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

p1 = (360.36 * 4.05 * 1 + 586.67 * 4.20 * 1 + 0 + 0 + 0) / (4.05 * 1 + 4.20 * 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
2023-03-06 82 -> 81 309.20
2023-02-25 77 -> 82 309.20
2023-01-28 79 -> 77 307.76 -> 309.20
2023-01-14 77 -> 79 307.76
2023-01-03 79 -> 77 307.76
2022-12-19 80 -> 79 306.48 -> 307.76
2022-12-18 79 -> 80 306.48
2022-11-28 79 303.44 -> 306.48
2022-11-06 79 303.44

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