Medvedev Sergei

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 15, 2024 (latest changes Sept. 15, 2024).

93 place (406.02).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (586.67 * 4.20 * 0.14 + 735.63 * 3.75 * 0.71 + 903.23 * 1.80 * 1 + 0 + 0) / (4.20 * 0.14 + 3.75 * 0.71 + 1.80 * 1 + 1 + 1) = 557.7777605118379

p2 = (735.63 * 3.75 * 0.71 + 903.23 * 1.80 * 1 + 586.67 * 4.20 * 0.14) / max_coefficients = 254.26959635248966

score = 557.7777605118379 * 0.5 + 254.26959635248966 * 0.5 = 406.02367843216376

Rating changes

Show

Date Place Points Reason
2024-09-15 91 -> 93 406.02
2024-09-06 85 -> 91 418.48 -> 406.02

IX Russian Riichi Championship: 29% -> 14%

2024-09-03 88 -> 85 413.56 -> 418.48
2024-09-01 79 -> 88 420.55 -> 413.56
2024-08-26 80 -> 79 420.55
2024-08-25 81 -> 80 420.55
2024-08-18 82 -> 81 420.55
2024-08-11 75 -> 82 437.52 -> 420.55

Money can not buy tenpai: 86% -> 71%

2024-08-04 67 -> 75 443.64 -> 437.52
2024-07-14 63 -> 67 443.64

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 71% 3.75 RR Money can not buy tenpai
3 587 2022-11-06 32/76 14% 4.20 RR IX Russian Riichi Championship
4 360 2022-06-12 72/112 0% 4.05 RR Moscow Riichi 2022