Medvedev Sergei

From Moscow, Russia

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Common russian riichi rating (CRR)

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

52 place (429.89).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002

p1 = (360.36 * 4.05 * 0.29 + 586.67 * 4.20 * 0.71 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.29 + 4.20 * 0.71 + 3.75 * 1 + 1 + 1) = 498.18893334053354

p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 0.71 + 360.36 * 4.05 * 0.29) / max_coefficients = 361.5830260086768

score = 498.18893334053354 * 0.5 + 361.5830260086768 * 0.5 = 429.8859796746052

Rating changes

Show

all results
Date Place Points Reason
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
2023-11-06 50 -> 53 452.23 -> 446.11

IX Russian Riichi Championship: 100% -> 86%
2023-11-05 48 -> 50 452.23

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 71% 4.20 RR IX Russian Riichi Championship
3 360 2022-06-12 72/112 29% 4.05 RR Moscow Riichi 2022