Medvedev Sergei

From Moscow, Russia

Player page

Internal rating (RR)

Rating date March 30, 2023 (latest changes March 30, 2023).

90 place (320.08).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.10 * 0.71) = 13.46418

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 = 291.3998475956204

score = 348.752 * 0.5 + 291.3998475956204 * 0.5 = 320.0759237978102

Rating changes

Show

all results
Date Place Points Reason
2023-03-30 94 -> 90 320.08
2023-03-28 95 -> 94 317.42 -> 320.08
2023-03-20 96 -> 95 312.39 -> 317.42
2023-03-06 102 -> 96 312.39
2023-02-28 104 -> 102 312.39
2023-02-19 105 -> 104 310.54 -> 312.39
2023-01-30 110 -> 105 310.54
2023-01-28 113 -> 110 307.76 -> 310.54
2023-01-06 114 -> 113 307.76
2022-12-30 116 -> 114 307.76

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