Medvedev Sergei

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Dec. 12, 2023 (latest changes Dec. 12, 2023).

37 place (457.89).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.43) = 13.085650000000001

p1 = (360.36 * 4.05 * 0.43 + 586.67 * 4.20 * 0.86 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.43 + 4.20 * 0.86 + 3.75 * 1 + 1 + 1) = 495.7787770676504

p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 0.86 + 360.36 * 4.05 * 0.43) / max_coefficients = 420.00435591659567

score = 495.7787770676504 * 0.5 + 420.00435591659567 * 0.5 = 457.89156649212305

Rating changes

Show

all results
Date Place Points Reason
2023-12-12 37 453.27 -> 457.89

Moscow Riichi 2022: 57% -> 43%
2023-11-28 38 -> 37 453.27
2023-11-20 39 -> 38 453.27
2023-11-06 41 -> 39 459.22 -> 453.27

IX Russian Riichi Championship: 100% -> 86%
2023-10-12 41 454.96 -> 459.22

Moscow Riichi 2022: 71% -> 57%
2023-09-28 42 -> 41 454.96
2023-09-06 43 -> 42 454.96
2023-09-03 29 -> 43 487.83 -> 454.96
2023-08-19 31 -> 29 487.83
2023-08-12 33 -> 31 482.34 -> 487.83

Moscow Riichi 2022: 86% -> 71%

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 43% 4.05 RR Moscow Riichi 2022