Medvedev Sergei

From Moscow, Russia

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Common russian riichi rating (CRR)

Rating date June 2, 2024 (latest changes May 25, 2024).

52 place (499.75).

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 + 903.23 * 1.80 * 1 + 0) / (4.05 * 0.14 + 4.20 * 0.43 + 3.75 * 1 + 1.80 * 1 + 1) = 632.6739176815867

p2 = (735.63 * 3.75 * 1 + 903.23 * 1.80 * 1 + 586.67 * 4.20 * 0.43 + 360.36 * 4.05 * 0.14) / max_coefficients = 366.822077922078

score = 632.6739176815867 * 0.5 + 366.822077922078 * 0.5 = 499.7479978018323

Rating changes

Show

all results
Date Place Points Reason
2024-05-25 51 -> 52 499.75
2024-05-19 87 -> 51 378.09 -> 499.75

"Green Dragon" in the Secret Chamber: 0% -> 100%
2024-05-12 72 -> 87 394.30 -> 378.09
2024-05-06 68 -> 72 410.29 -> 394.30

IX Russian Riichi Championship: 57% -> 43%
2024-05-05 67 -> 68 410.29
2024-04-12 68 -> 67 413.52 -> 410.29

Moscow Riichi 2022: 29% -> 14%
2024-03-30 65 -> 68 413.52
2024-03-20 68 -> 65 413.52
2024-03-10 60 -> 68 421.86 -> 413.52
2024-03-06 55 -> 60 429.89 -> 421.86

IX Russian Riichi Championship: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 903 2024-05-19 4/32 100% 1.80 CRR "Green Dragon" in the Secret Chamber
2 736 2023-06-11 24/88 100% 3.75 RR Money can not buy tenpai
3 587 2022-11-06 32/76 43% 4.20 RR IX Russian Riichi Championship
4 360 2022-06-12 72/112 14% 4.05 RR Moscow Riichi 2022