Demurchev Mikhail

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 25, 2025 (latest changes Dec. 25, 2025).

121 place (387.28).

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

p1 = (470.59 * 3.05 * 0.29 + 261.68 * 4.60 * 0.43 + 980.39 * 3.05 * 0.43 + 278.48 * 3.65 * 0.57 + 757.89 * 3.85 * 0.71 + 224.72 * 3.75 * 0.71 + 333.33 * 3.05 * 1) / (3.05 * 0.29 + 4.60 * 0.43 + 3.05 * 0.43 + 3.65 * 0.57 + 3.85 * 0.71 + 3.75 * 0.71 + 3.05 * 1) = 441.1468578708094

p2 = (757.89 * 3.85 * 0.71 + 980.39 * 3.05 * 0.43 + 333.33 * 3.05 * 1 + 224.72 * 3.75 * 0.71) / max_coefficients = 333.4086956521739

score = 441.1468578708094 * 0.5 + 333.4086956521739 * 0.5 = 387.2777767614916

Rating changes

Show

all results
Date Place Points Reason
2025-12-25 122 -> 121 387.28
2025-12-13 122 387.50 -> 387.28

Moscow Riichi 2024: 86% -> 71%
2025-12-09 113 -> 122 409.38 -> 387.50

Agari Summer Tournament 2024: 57% -> 43%
2025-12-07 110 -> 113 409.38
2025-12-04 111 -> 110 406.76 -> 409.38

Riichi over Volga: 71% -> 57%
2025-11-19 112 -> 111 406.76
2025-11-14 113 -> 112 406.76
2025-11-12 115 -> 113 403.23 -> 406.76

X Russian Championship: 57% -> 43%
2025-11-10 114 -> 115 403.66 -> 403.23

Agari Spring Tournament 2024: 43% -> 29%
2025-11-04 109 -> 114 412.08 -> 403.66

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 333 2025-02-02 35/52 100% 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 71% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 278 2024-08-04 58/80 57% 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 43% 4.60 RR X Russian Championship Perm
7 471 2024-03-10 28/52 29% 3.05 RR Agari Spring Tournament 2024 Moscow