Ryazanov Aleksandr

From Samara, Russia

EMA: 15990057

Player page

Common russian riichi rating (CRR)

Rating date June 8, 2026 (latest changes June 8, 2026).

230 place (241.49).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (569.62 * 3.65 * 0.14 + 719.10 * 3.75 * 0.43 + 23.81 * 2.60 * 0.57 + 314.29 * 3.50 * 0.86 + 0) / (3.65 * 0.14 + 3.75 * 0.43 + 2.60 * 0.57 + 3.50 * 0.86 + 1) = 319.27583863310275

p2 = (719.10 * 3.75 * 0.43 + 314.29 * 3.50 * 0.86 + 569.62 * 3.65 * 0.14 + 23.81 * 2.60 * 0.57) / max_coefficients = 163.7084175084175

score = 319.27583863310275 * 0.5 + 163.7084175084175 * 0.5 = 241.49212807076015

Rating changes

Show

all results
Date Place Points Reason
2026-06-04 217 -> 230 259.51 -> 241.49

Riichi over Volga: 29% -> 14%
2026-06-02 218 -> 217 259.51
2026-05-31 213 -> 218 259.51
2026-05-26 216 -> 213 253.00 -> 259.51

Riichi On Ice: 71% -> 57%
2026-05-25 217 -> 216 253.00
2026-05-19 218 -> 217 253.00
2026-05-17 215 -> 218 253.00
2026-05-12 221 -> 215 253.00
2026-05-11 219 -> 221 253.00
2026-05-05 221 -> 219 253.00

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 314 2025-05-03 49/71 86% 3.50 RR Riichi over The Volga 2025 Samara
2 24 2025-01-26 42/43 57% 2.60 RR Riichi On Ice Samara
3 719 2024-10-13 26/90 43% 3.75 RR Moscow Riichi 2024 Moscow
4 570 2024-08-04 35/80 14% 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