Ryazanov Aleksandr

From Samara, Russia

EMA: 15990057

Player page

Internal rating (RR)

Rating date April 4, 2026 (latest changes April 4, 2026).

153 place (281.48).

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

p1 = (569.62 * 3.65 * 0.29 + 719.10 * 3.75 * 0.57 + 23.81 * 2.60 * 0.71 + 314.29 * 3.50 * 1 + 0) / (3.65 * 0.29 + 3.75 * 0.57 + 2.60 * 0.71 + 3.50 * 1 + 1) = 343.61951788454775

p2 = (719.10 * 3.75 * 0.57 + 314.29 * 3.50 * 1 + 569.62 * 3.65 * 0.29 + 23.81 * 2.60 * 0.71) / max_coefficients = 219.33578595317724

score = 343.61951788454775 * 0.5 + 219.33578595317724 * 0.5 = 281.4776519188625

Rating changes

Show

all results
Date Place Points Reason
2026-04-04 146 -> 153 297.27 -> 281.48

Riichi over Volga: 43% -> 29%
2026-04-02 147 -> 146 297.27
2026-03-30 148 -> 147 297.27
2026-03-26 150 -> 148 291.67 -> 297.27

Riichi On Ice: 86% -> 71%
2026-03-02 151 -> 150 291.67
2026-02-23 144 -> 151 291.67
2026-02-16 145 -> 144 291.67
2026-02-13 137 -> 145 313.73 -> 291.67

Moscow Riichi 2024: 71% -> 57%
2026-02-08 131 -> 137 313.73
2026-02-04 126 -> 131 328.37 -> 313.73

Riichi over Volga: 57% -> 43%

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 71% 2.60 RR Riichi On Ice Samara
3 719 2024-10-13 26/90 57% 3.75 RR Moscow Riichi 2024 Moscow
4 570 2024-08-04 35/80 29% 3.65 RR Riichi over Volga Samara
5 486 2011-04-23 19/36 0% 0.90 EMA Moscow Riichi 2011 Moscow