Demurchev Mikhail

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 6, 2026 (latest changes Feb. 4, 2026).

132 place (371.06).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (470.59 * 3.05 * 0.14 + 261.68 * 4.60 * 0.29 + 980.39 * 3.05 * 0.43 + 278.48 * 3.65 * 0.43 + 757.89 * 3.85 * 0.57 + 224.72 * 3.75 * 0.71 + 333.33 * 3.05 * 0.86) / (3.05 * 0.14 + 4.60 * 0.29 + 3.05 * 0.43 + 3.65 * 0.43 + 3.85 * 0.57 + 3.75 * 0.71 + 3.05 * 0.86) = 446.3200888532654

p2 = (757.89 * 3.85 * 0.57 + 980.39 * 3.05 * 0.43 + 333.33 * 3.05 * 0.86 + 224.72 * 3.75 * 0.71) / max_coefficients = 295.80066889632104

score = 446.3200888532654 * 0.5 + 295.80066889632104 * 0.5 = 371.06037887479323

Rating changes

Show

all results
Date Place Points Reason
2026-02-04 134 -> 132 367.60 -> 371.06

Riichi over Volga: 57% -> 43%
2026-02-02 134 370.69 -> 367.60

Agari Winter Tournament 2025: 100% -> 86%
2026-01-25 132 -> 134 370.69
2026-01-14 133 -> 132 370.69
2026-01-12 135 -> 133 366.52 -> 370.69

X Russian Championship: 43% -> 29%
2026-01-10 134 -> 135 367.18 -> 366.52

Agari Spring Tournament 2024: 29% -> 14%
2026-01-07 130 -> 134 367.18
2026-01-04 131 -> 130 367.18
2026-01-03 129 -> 131 367.18
2026-01-01 121 -> 129 387.28 -> 367.18

SPB Riichi Open 2024: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 333 2025-02-02 35/52 86% 3.05 RR Agari Winter Tournament 2025 Moscow
2 225 2024-10-13 70/90 71% 3.75 RR Moscow Riichi 2024 Moscow
3 758 2024-09-01 24/96 57% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 278 2024-08-04 58/80 43% 3.65 RR Riichi over Volga Samara
5 980 2024-06-09 🥈 2/52 43% 3.05 RR Agari Summer Tournament 2024 Moscow
6 262 2024-05-12 80/108 29% 4.60 RR X Russian Championship Perm
7 471 2024-03-10 28/52 14% 3.05 RR Agari Spring Tournament 2024 Moscow