Ryazanov Aleksandr

From Samara, Russia

EMA: 15990057

Player page

Common russian riichi rating (CRR)

Rating date Jan. 8, 2026 (latest changes Jan. 7, 2026).

156 place (323.22).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (569.62 * 3.65 * 0.57 + 719.10 * 3.75 * 0.71 + 23.81 * 2.60 * 1 + 314.29 * 3.50 * 1 + 0) / (3.65 * 0.57 + 3.75 * 0.71 + 2.60 * 1 + 3.50 * 1 + 1) = 360.42020408395484

p2 = (719.10 * 3.75 * 0.71 + 569.62 * 3.65 * 0.57 + 314.29 * 3.50 * 1 + 23.81 * 2.60 * 1) / max_coefficients = 286.02742474916386

score = 360.42020408395484 * 0.5 + 286.02742474916386 * 0.5 = 323.2238144165593

Rating changes

Show

all results
Date Place Points Reason
2026-01-03 155 -> 156 323.22
2025-12-27 151 -> 155 323.22
2025-12-13 143 -> 151 343.85 -> 323.22

Moscow Riichi 2024: 86% -> 71%
2025-12-07 137 -> 143 343.85
2025-12-06 135 -> 137 343.85
2025-12-04 130 -> 135 357.69 -> 343.85

Riichi over Volga: 71% -> 57%
2025-11-22 128 -> 130 357.69
2025-11-19 129 -> 128 357.69
2025-11-10 131 -> 129 357.69
2025-11-04 125 -> 131 365.23 -> 357.69

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 314 2025-05-03 49/71 100% 3.50 RR Riichi over The Volga 2025 Samara
2 24 2025-01-26 42/43 100% 2.60 RR Riichi On Ice Samara
3 719 2024-10-13 26/90 71% 3.75 RR Moscow Riichi 2024 Moscow
4 570 2024-08-04 35/80 57% 3.65 RR Riichi over Volga Samara
5 316 2019-02-24 14/20 0% 1.30 CRR Mahjong tournament at the Intellectual Games Festival 2019 Samara
6 727 2017-02-26 4/12 0% 1.10 CRR Mahjong tournament at the Intellectual Games Festival 2017 Samara
7 486 2011-04-23 19/36 0% 0.90 EMA Moscow Riichi 2011 Moscow