Demurchev Mikhail

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 12, 2026 (latest changes June 9, 2026).

166 place (330.46).

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

p1 = (278.48 * 3.65 * 0.14 + 757.89 * 3.85 * 0.29 + 224.72 * 3.75 * 0.43 + 333.33 * 3.05 * 0.57 + 588.24 * 2.30 * 1) / (3.65 * 0.14 + 3.85 * 0.29 + 3.75 * 0.43 + 3.05 * 0.57 + 2.30 * 1) = 450.23825731790333

p2 = (588.24 * 2.30 * 1 + 757.89 * 3.85 * 0.29 + 333.33 * 3.05 * 0.57 + 224.72 * 3.75 * 0.43) / max_coefficients = 210.6855218855219

score = 450.23825731790333 * 0.5 + 210.6855218855219 * 0.5 = 330.46188960171264

Rating changes

Show

all results
Date Place Points Reason
2026-06-09 148 -> 166 347.68 -> 330.46

Agari Summer Tournament 2024: 14% -> 0%
2026-06-04 159 -> 148 341.29 -> 347.68

Riichi over Volga: 29% -> 14%
2026-06-02 158 -> 159 342.81 -> 341.29

Agari Winter Tournament 2025: 71% -> 57%
2026-05-31 157 -> 158 342.81
2026-05-26 158 -> 157 342.81
2026-05-23 159 -> 158 342.81
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%

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 57% 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 14% 3.65 RR Riichi over Volga Samara
6 980 2024-06-09 🥈 2/52 0% 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