Ryazanov Aleksandr

From Samara, Russia

EMA: 15990057

Player page

Common russian riichi rating (CRR)

Rating date July 31, 2026 (latest changes July 29, 2026).

267 place (211.77).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (569.62 * 3.65 * 0.14 + 719.10 * 3.75 * 0.29 + 23.81 * 2.60 * 0.43 + 314.29 * 3.50 * 0.71 + 0) / (3.65 * 0.14 + 3.75 * 0.29 + 2.60 * 0.43 + 3.50 * 0.71 + 1) = 302.83356719512443

p2 = (314.29 * 3.50 * 0.71 + 719.10 * 3.75 * 0.29 + 569.62 * 3.65 * 0.14 + 23.81 * 2.60 * 0.43) / max_coefficients = 120.70031610153005

score = 302.83356719512443 * 0.5 + 120.70031610153005 * 0.5 = 211.76694164832725

Rating changes

Show

all results
Date Place Points Reason
2026-07-26 274 -> 267 204.18 -> 211.77

Riichi On Ice: 57% -> 43%
2026-07-25 271 -> 274 204.18
2026-07-23 273 -> 271 204.18
2026-07-18 268 -> 273 204.18
2026-07-12 265 -> 268 204.18
2026-07-11 262 -> 265 204.18
2026-07-03 260 -> 262 210.18 -> 204.18

Riichi over The Volga 2025: 86% -> 71%
2026-07-01 264 -> 260 210.18
2026-06-27 267 -> 264 210.18
2026-06-15 267 207.80 -> 210.18

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 314 2025-05-03 49/71 71% 3.50 RR Riichi over The Volga 2025 Samara
2 24 2025-01-26 42/43 43% 2.60 RR Riichi On Ice Samara
3 719 2024-10-13 26/90 29% 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