Medvedev Sergei

From Moscow, Russia

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Internal rating (RR)

Rating date March 6, 2024 (latest changes March 6, 2024).

34 place (448.93).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.57 + 4.05 * 0.29) = 11.306965

p1 = (360.36 * 4.05 * 0.29 + 586.67 * 4.20 * 0.57 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.29 + 4.20 * 0.57 + 3.75 * 1 + 1 + 1) = 492.4827803693256

p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 0.57 + 360.36 * 4.05 * 0.29) / max_coefficients = 405.3713794992733

score = 492.4827803693256 * 0.5 + 405.3713794992733 * 0.5 = 448.92707993429946

Rating changes

Show

all results
Date Place Points Reason
2024-03-06 32 -> 34 456.35 -> 448.93

IX Russian Riichi Championship: 71% -> 57%
2024-02-12 34 -> 32 451.29 -> 456.35

Moscow Riichi 2022: 43% -> 29%
2024-01-20 36 -> 34 451.29
2024-01-06 34 -> 36 457.89 -> 451.29

IX Russian Riichi Championship: 86% -> 71%
2023-12-19 36 -> 34 457.89
2023-12-12 36 453.27 -> 457.89

Moscow Riichi 2022: 57% -> 43%
2023-11-28 37 -> 36 453.27
2023-11-20 38 -> 37 453.27
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%

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 29% 4.05 RR Moscow Riichi 2022