Demurchev Mikhail

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 3, 2026 (latest changes Sept. 3, 2026).

264 place (217.33).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (224.72 * 3.75 * 0.14 + 333.33 * 3.05 * 0.43 + 588.24 * 2.30 * 1 + 0 + 0) / (3.75 * 0.14 + 3.05 * 0.43 + 2.30 * 1 + 1 + 1) = 310.7711816744138

p2 = (588.24 * 2.30 * 1 + 333.33 * 3.05 * 0.43 + 224.72 * 3.75 * 0.14) / max_coefficients = 123.88708630759248

score = 310.7711816744138 * 0.5 + 123.88708630759248 * 0.5 = 217.32913399100315

Rating changes

Show

all results
Date Place Points Reason
2026-09-01 222 -> 264 279.76 -> 217.33

SPB Riichi Open 2024: 14% -> 0%
2026-08-31 224 -> 222 279.51 -> 279.76
2026-08-30 222 -> 224 279.51
2026-08-26 223 -> 222 279.51
2026-08-16 215 -> 223 279.51
2026-08-15 214 -> 215 278.96 -> 279.51
2026-08-14 215 -> 214 278.96
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%

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 0% 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