Medvedev Sergei

From Moscow, Russia

Player page

Internal rating (RR)

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

70 place (312.39).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.71) = 14.214335

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 = 276.0213544988211

score = 348.752 * 0.5 + 276.0213544988211 * 0.5 = 312.3866772494106

Rating changes

Show

all results
Date Place Points Reason
2023-02-19 71 -> 70 310.54 -> 312.39
2023-01-28 74 -> 71 307.76 -> 310.54
2022-12-19 74 306.48 -> 307.76
2022-11-28 74 303.44 -> 306.48
2022-11-06 74 303.44

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