Medvedev Sergei

From Moscow, Russia

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Internal rating (RR)

Rating date April 26, 2024 (latest changes April 12, 2024).

45 place (416.34).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988

p1 = (360.36 * 4.05 * 0.14 + 586.67 * 4.20 * 0.57 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.14 + 4.20 * 0.57 + 3.75 * 1 + 1 + 1) = 501.2370218677053

p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 0.57 + 360.36 * 4.05 * 0.14) / max_coefficients = 331.45074046127695

score = 501.2370218677053 * 0.5 + 331.45074046127695 * 0.5 = 416.3438811644911

Rating changes

Show

all results
Date Place Points Reason
2024-04-12 43 -> 45 419.86 -> 416.34

Moscow Riichi 2022: 29% -> 14%
2024-03-30 40 -> 43 419.86
2024-03-20 46 -> 40 419.86
2024-03-10 35 -> 46 448.93 -> 419.86
2024-03-06 33 -> 35 456.35 -> 448.93

IX Russian Riichi Championship: 71% -> 57%
2024-02-12 35 -> 33 451.29 -> 456.35

Moscow Riichi 2022: 43% -> 29%
2024-01-20 37 -> 35 451.29
2024-01-06 35 -> 37 457.89 -> 451.29

IX Russian Riichi Championship: 86% -> 71%
2023-12-19 37 -> 35 457.89
2023-12-12 37 453.27 -> 457.89

Moscow Riichi 2022: 57% -> 43%

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 57% 4.20 RR IX Russian Riichi Championship
3 360 2022-06-12 72/112 14% 4.05 RR Moscow Riichi 2022