Demurchev Mikhail

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 22, 2026 (latest changes May 19, 2026).

159 place (342.81).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (980.39 * 3.05 * 0.14 + 278.48 * 3.65 * 0.29 + 757.89 * 3.85 * 0.29 + 224.72 * 3.75 * 0.43 + 333.33 * 3.05 * 0.71 + 588.24 * 2.30 * 1) / (3.05 * 0.14 + 3.65 * 0.29 + 3.85 * 0.29 + 3.75 * 0.43 + 3.05 * 0.71 + 2.30 * 1) = 460.694607627019

p2 = (588.24 * 2.30 * 1 + 757.89 * 3.85 * 0.29 + 333.33 * 3.05 * 0.71 + 980.39 * 3.05 * 0.14) / max_coefficients = 224.92188552188554

score = 460.694607627019 * 0.5 + 224.92188552188554 * 0.5 = 342.80824657445226

Rating changes

Show

all results
Date Place Points Reason
2026-05-19 160 -> 159 342.81
2026-05-17 156 -> 160 342.81
2026-05-14 155 -> 156 342.81
2026-05-12 163 -> 155 335.79 -> 342.81

X Russian Championship: 14% -> 0%
2026-05-11 162 -> 163 335.79
2026-05-05 163 -> 162 335.79
2026-05-03 161 -> 163 335.04 -> 335.79
2026-05-01 148 -> 161 357.66 -> 335.04

SPB Riichi Open 2024: 43% -> 29%
2026-04-27 147 -> 148 357.66
2026-04-26 148 -> 147 357.66

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 588 2026-03-14 22/52 100% 2.30 CRR "Furin" club tournament: for the anniversary Moscow
2 333 2025-02-02 35/52 71% 3.05 RR Agari Winter Tournament 2025 Moscow
3 225 2024-10-13 70/90 43% 3.75 RR Moscow Riichi 2024 Moscow
4 758 2024-09-01 24/96 29% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
5 278 2024-08-04 58/80 29% 3.65 RR Riichi over Volga Samara
6 980 2024-06-09 🥈 2/52 14% 3.05 RR Agari Summer Tournament 2024 Moscow
7 262 2024-05-12 80/108 0% 4.60 RR X Russian Championship Perm
8 471 2024-03-10 28/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow