Medvedev Sergei

From Moscow, Russia

Player page

Internal rating (RR)

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

38 place (453.27).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002

p1 = (360.36 * 4.05 * 0.57 + 586.67 * 4.20 * 0.86 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.57 + 4.20 * 0.86 + 3.75 * 1 + 1 + 1) = 489.0650626415146

p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 0.86 + 360.36 * 4.05 * 0.57) / max_coefficients = 417.48054558002457

score = 489.0650626415146 * 0.5 + 417.48054558002457 * 0.5 = 453.2728041107696

Rating changes

Show

all results
Date Place Points Reason
2023-11-06 40 -> 38 459.22 -> 453.27

IX Russian Riichi Championship: 100% -> 86%
2023-10-12 40 454.96 -> 459.22

Moscow Riichi 2022: 71% -> 57%
2023-09-28 41 -> 40 454.96
2023-09-06 42 -> 41 454.96
2023-09-03 28 -> 42 487.83 -> 454.96
2023-08-19 30 -> 28 487.83
2023-08-12 32 -> 30 482.34 -> 487.83

Moscow Riichi 2022: 86% -> 71%
2023-07-28 33 -> 32 482.34
2023-07-20 33 473.67 -> 482.34
2023-07-06 32 -> 33 473.67

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 57% 4.05 RR Moscow Riichi 2022