Medvedev Sergei

From Moscow, Russia

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Internal rating (RR)

Rating date May 12, 2024 (latest changes May 12, 2024).

70 place (378.09).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999

p1 = (360.36 * 4.05 * 0.14 + 586.67 * 4.20 * 0.43 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.14 + 4.20 * 0.43 + 3.75 * 1 + 1 + 1) = 494.9337945703367

p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 0.43 + 360.36 * 4.05 * 0.14) / max_coefficients = 261.25

score = 494.9337945703367 * 0.5 + 261.25 * 0.5 = 378.09189728516833

Rating changes

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all results
Date Place Points Reason
2024-05-12 48 -> 70 403.41 -> 378.09
2024-05-06 45 -> 48 416.34 -> 403.41

IX Russian Riichi Championship: 57% -> 43%
2024-04-12 43 -> 45 419.86 -> 416.34

Moscow Riichi 2022: 29% -> 14%
2024-03-30 40 -> 43 419.86
2024-03-20 45 -> 40 419.86
2024-03-10 34 -> 45 448.93 -> 419.86
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%

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 43% 4.20 RR IX Russian Riichi Championship
3 360 2022-06-12 72/112 14% 4.05 RR Moscow Riichi 2022