Demurchev Mikhail

From Moscow, Russia

Player page

Internal rating (RR)

Rating date June 10, 2026 (latest changes June 9, 2026).

177 place (225.52).

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 + 0) / (3.65 * 0.14 + 3.85 * 0.29 + 3.75 * 0.43 + 3.05 * 0.57 + 1) = 321.6903484020062

p2 = (757.89 * 3.85 * 0.29 + 333.33 * 3.05 * 0.57 + 224.72 * 3.75 * 0.43 + 278.48 * 3.65 * 0.14) / max_coefficients = 129.35959595959596

score = 321.6903484020062 * 0.5 + 129.35959595959596 * 0.5 = 225.52497218080106

Rating changes

Show

all results
Date Place Points Reason
2026-06-09 143 -> 177 291.31 -> 225.52

Agari Summer Tournament 2024: 14% -> 0%
2026-06-04 152 -> 143 284.47 -> 291.31

Riichi over Volga: 29% -> 14%
2026-06-02 152 286.37 -> 284.47

Agari Winter Tournament 2025: 71% -> 57%
2026-05-17 149 -> 152 286.37
2026-05-12 162 -> 149 279.21 -> 286.37

X Russian Championship: 14% -> 0%
2026-05-03 159 -> 162 278.68 -> 279.21
2026-05-01 140 -> 159 305.62 -> 278.68

SPB Riichi Open 2024: 43% -> 29%
2026-04-27 141 -> 140 305.62
2026-04-26 142 -> 141 305.62
2026-04-19 140 -> 142 305.62

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 333 2025-02-02 35/52 57% 3.05 RR Agari Winter Tournament 2025 Moscow
2 225 2024-10-13 70/90 43% 3.75 RR Moscow Riichi 2024 Moscow
3 758 2024-09-01 24/96 29% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 278 2024-08-04 58/80 14% 3.65 RR Riichi over Volga Samara
5 980 2024-06-09 🥈 2/52 0% 3.05 RR Agari Summer Tournament 2024 Moscow
6 262 2024-05-12 80/108 0% 4.60 RR X Russian Championship Perm
7 471 2024-03-10 28/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow