Demurchev Mikhail

From Moscow, Russia

Player page

Internal rating (RR)

Rating date July 1, 2026 (latest changes July 1, 2026).

207 place (186.05).

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

p1 = (278.48 * 3.65 * 0.14 + 757.89 * 3.85 * 0.14 + 224.72 * 3.75 * 0.29 + 333.33 * 3.05 * 0.57 + 0) / (3.65 * 0.14 + 3.85 * 0.14 + 3.75 * 0.29 + 3.05 * 0.57 + 1) = 283.2439092530642

p2 = (333.33 * 3.05 * 0.57 + 757.89 * 3.85 * 0.14 + 224.72 * 3.75 * 0.29 + 278.48 * 3.65 * 0.14) / max_coefficients = 88.8590102419978

score = 283.2439092530642 * 0.5 + 88.8590102419978 * 0.5 = 186.051459747531

Rating changes

Show

all results
Date Place Points Reason
2026-07-01 193 -> 207 223.43 -> 186.05

SPB Riichi Open 2024: 29% -> 14%
2026-06-26 194 -> 193 223.43
2026-06-16 196 -> 194 223.43
2026-06-15 195 -> 196 221.34 -> 223.43
2026-06-14 174 -> 195 226.25 -> 221.34
2026-06-13 177 -> 174 225.52 -> 226.25

Moscow Riichi 2024: 43% -> 29%
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

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 29% 3.75 RR Moscow Riichi 2024 Moscow
3 758 2024-09-01 24/96 14% 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