Demurchev Mikhail

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 28, 2026 (latest changes Feb. 28, 2026).

142 place (347.63).

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 * 0.29 + 278.48 * 3.65 * 0.43 + 757.89 * 3.85 * 0.57 + 224.72 * 3.75 * 0.57 + 333.33 * 3.05 * 0.86) / (3.05 * 0.14 + 4.60 * 0.29 + 3.05 * 0.29 + 3.65 * 0.43 + 3.85 * 0.57 + 3.75 * 0.57 + 3.05 * 0.86) = 436.08715532726325

p2 = (757.89 * 3.85 * 0.57 + 333.33 * 3.05 * 0.86 + 980.39 * 3.05 * 0.29 + 224.72 * 3.75 * 0.57) / max_coefficients = 259.16387959866216

score = 436.08715532726325 * 0.5 + 259.16387959866216 * 0.5 = 347.6255174629627

Rating changes

Show

all results
Date Place Points Reason
2026-02-25 143 -> 142 347.63
2026-02-23 141 -> 143 347.63
2026-02-16 142 -> 141 347.63
2026-02-13 143 -> 142 346.80 -> 347.63

Moscow Riichi 2024: 71% -> 57%
2026-02-09 134 -> 143 371.06 -> 346.80

Agari Summer Tournament 2024: 43% -> 29%
2026-02-08 130 -> 134 371.06
2026-02-04 132 -> 130 367.60 -> 371.06

Riichi over Volga: 57% -> 43%
2026-02-02 132 370.69 -> 367.60

Agari Winter Tournament 2025: 100% -> 86%
2026-01-25 130 -> 132 370.69
2026-01-14 131 -> 130 370.69

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 57% 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 29% 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