Medvedev Sergei

From Moscow, Russia

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Common russian riichi rating (CRR)

Rating date Dec. 8, 2023 (latest changes Nov. 28, 2023).

54 place (444.69).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001

p1 = (586.67 * 4.20 * 0.86 + 360.36 * 4.05 * 0.57 + 735.63 * 3.75 * 1 + 0 + 0) / (4.20 * 0.86 + 4.05 * 0.57 + 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 = 400.317337341805

score = 489.0650626415146 * 0.5 + 400.317337341805 * 0.5 = 444.6911999916598

Rating changes

Show

all results
Date Place Points Reason
2023-11-28 56 -> 54 444.69
2023-11-26 52 -> 56 446.11 -> 444.69
2023-11-20 54 -> 52 446.11
2023-11-06 51 -> 54 452.23 -> 446.11

IX Russian Riichi Championship: 100% -> 86%
2023-11-05 49 -> 51 452.23
2023-10-27 50 -> 49 452.23
2023-10-12 51 -> 50 454.96 -> 452.23

Moscow Riichi 2022: 71% -> 57%
2023-09-28 52 -> 51 454.96
2023-09-06 51 -> 52 454.96
2023-09-03 37 -> 51 473.52 -> 454.96

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