Demurchev Mikhail

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 13, 2026 (latest changes Aug. 13, 2026).

215 place (278.96).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (757.89 * 3.85 * 0.14 + 224.72 * 3.75 * 0.14 + 333.33 * 3.05 * 0.43 + 588.24 * 2.30 * 1 + 0) / (3.85 * 0.14 + 3.75 * 0.14 + 3.05 * 0.43 + 2.30 * 1 + 1) = 408.56484937478814

p2 = (588.24 * 2.30 * 1 + 333.33 * 3.05 * 0.43 + 757.89 * 3.85 * 0.14 + 224.72 * 3.75 * 0.14) / max_coefficients = 149.35492301004683

score = 408.56484937478814 * 0.5 + 149.35492301004683 * 0.5 = 278.95988619241746

Rating changes

Show

all results
Date Place Points Reason
2026-08-13 220 -> 215 274.92 -> 278.96

Moscow Riichi 2024: 29% -> 14%
2026-08-04 193 -> 220 303.89 -> 274.92

Riichi over Volga: 14% -> 0%
2026-08-02 192 -> 193 304.42 -> 303.89

Agari Winter Tournament 2025: 57% -> 43%
2026-07-25 190 -> 192 304.42
2026-07-14 192 -> 190 304.42
2026-07-12 189 -> 192 304.42
2026-07-11 188 -> 189 304.42
2026-07-07 189 -> 188 304.42
2026-07-01 172 -> 189 330.67 -> 304.42

SPB Riichi Open 2024: 29% -> 14%
2026-06-26 173 -> 172 330.67

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 43% 3.05 RR Agari Winter Tournament 2025 Moscow
3 225 2024-10-13 70/90 14% 3.75 RR Moscow Riichi 2024 Moscow
4 758 2024-09-01 24/96 14% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
5 278 2024-08-04 58/80 0% 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