Demurchev Mikhail

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).

109 place (412.08).

max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3

p1 = (470.59 * 3.05 * 0.43 + 261.68 * 4.60 * 0.57 + 980.39 * 3.05 * 0.57 + 278.48 * 3.65 * 0.71 + 757.89 * 3.85 * 0.71 + 224.72 * 3.75 * 0.86 + 333.33 * 3.05 * 1) / (3.05 * 0.43 + 4.60 * 0.57 + 3.05 * 0.57 + 3.65 * 0.71 + 3.85 * 0.71 + 3.75 * 0.86 + 3.05 * 1) = 437.0474481952553

p2 = (757.89 * 3.85 * 0.71 + 980.39 * 3.05 * 0.57 + 333.33 * 3.05 * 1 + 278.48 * 3.65 * 0.71) / max_coefficients = 387.10279720279715

score = 437.0474481952553 * 0.5 + 387.10279720279715 * 0.5 = 412.0751226990262

Rating changes

Show

all results
Date Place Points Reason
2025-11-01 104 -> 109 430.86 -> 412.08

SPB Riichi Open 2024: 86% -> 71%
2025-10-13 106 -> 104 425.26 -> 430.86

Moscow Riichi 2024: 100% -> 86%
2025-10-09 97 -> 106 445.94 -> 425.26

Agari Summer Tournament 2024: 71% -> 57%
2025-10-04 97 444.56 -> 445.94

Riichi over Volga: 86% -> 71%
2025-09-30 98 -> 97 444.56
2025-09-12 101 -> 98 441.49 -> 444.56

X Russian Championship: 71% -> 57%
2025-09-10 101 441.79 -> 441.49

Agari Spring Tournament 2024: 57% -> 43%
2025-09-03 105 -> 101 441.79
2025-09-01 98 -> 105 453.84 -> 441.79

SPB Riichi Open 2024: 100% -> 86%
2025-08-31 95 -> 98 453.84

Tournaments

# Base rank Date Place Power Coefficient Type 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 86% 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 71% 3.65 RR Riichi over Volga Samara
5 980 2024-06-09 🥈 2/52 57% 3.05 RR Agari Summer Tournament 2024 Moscow
6 262 2024-05-12 80/108 57% 4.60 RR X Russian Championship Perm
7 471 2024-03-10 28/52 43% 3.05 RR Agari Spring Tournament 2024 Moscow