Medvedev Sergei

From Moscow, Russia

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Common russian riichi rating (CRR)

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

71 place (394.30).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001

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 = 293.66788321167877

score = 494.9337945703367 * 0.5 + 293.66788321167877 * 0.5 = 394.30083889100774

Rating changes

Show

all results
Date Place Points Reason
2024-05-06 67 -> 71 410.29 -> 394.30

IX Russian Riichi Championship: 57% -> 43%
2024-05-05 66 -> 67 410.29
2024-04-12 67 -> 66 413.52 -> 410.29

Moscow Riichi 2022: 29% -> 14%
2024-03-30 64 -> 67 413.52
2024-03-20 67 -> 64 413.52
2024-03-10 59 -> 67 421.86 -> 413.52
2024-03-06 54 -> 59 429.89 -> 421.86

IX Russian Riichi Championship: 71% -> 57%
2024-02-25 52 -> 54 429.89
2024-02-12 52 433.72 -> 429.89

Moscow Riichi 2022: 43% -> 29%
2024-01-20 54 -> 52 433.72

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