Medvedev Sergei

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

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

59 place (421.86).

max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988

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 = 351.2308159155487

score = 492.4827803693256 * 0.5 + 351.2308159155487 * 0.5 = 421.8567981424371

Rating changes

Show

all results
Date Place Points Reason
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
2024-01-06 51 -> 54 440.73 -> 433.72

IX Russian Riichi Championship: 86% -> 71%
2023-12-19 52 -> 51 440.73
2023-12-12 53 -> 52 444.69 -> 440.73

Moscow Riichi 2022: 57% -> 43%
2023-11-28 55 -> 53 444.69
2023-11-26 51 -> 55 446.11 -> 444.69
2023-11-20 53 -> 51 446.11

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