Ryazanov Aleksandr

From Samara, Russia

EMA: 15990057

Player page

Common russian riichi rating (CRR)

Rating date May 17, 2026 (latest changes May 17, 2026).

215 place (253.00).

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

p1 = (569.62 * 3.65 * 0.29 + 719.10 * 3.75 * 0.43 + 23.81 * 2.60 * 0.71 + 314.29 * 3.50 * 0.86 + 0) / (3.65 * 0.29 + 3.75 * 0.43 + 2.60 * 0.71 + 3.50 * 0.86 + 1) = 321.70949273458535

p2 = (719.10 * 3.75 * 0.43 + 314.29 * 3.50 * 0.86 + 569.62 * 3.65 * 0.29 + 23.81 * 2.60 * 0.71) / max_coefficients = 184.2969696969697

score = 321.70949273458535 * 0.5 + 184.2969696969697 * 0.5 = 253.00323121577753

Rating changes

Show

all results
Date Place Points Reason
2026-05-17 216 -> 215 253.00
2026-05-12 222 -> 216 253.00
2026-05-11 220 -> 222 253.00
2026-05-05 222 -> 220 253.00
2026-05-04 223 -> 222 253.00
2026-05-03 214 -> 223 257.44 -> 253.00

Riichi over The Volga 2025: 100% -> 86%
2026-05-01 218 -> 214 257.44
2026-04-27 219 -> 218 257.44
2026-04-19 207 -> 219 257.44
2026-04-16 206 -> 207 257.44

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 71% 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 29% 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