Ryazanov Aleksandr

From Samara, Russia

EMA: 15990057

Player page

Internal rating (RR)

Rating date Oct. 22, 2026 (latest changes Oct. 16, 2026).

248 place (77.23).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (23.81 * 2.60 * 0.29 + 314.29 * 3.50 * 0.57 + 0 + 0 + 0) / (2.60 * 0.29 + 3.50 * 0.57 + 1 + 1 + 1) = 112.5302992310264

p2 = (314.29 * 3.50 * 0.57 + 23.81 * 2.60 * 0.29) / max_coefficients = 41.93575600259572

score = 112.5302992310264 * 0.5 + 41.93575600259572 * 0.5 = 77.23302761681106

Rating changes

Show

all results
Date Place Points Reason
2026-10-13 240 -> 248 131.18 -> 77.23

Moscow Riichi 2024: 14% -> 0%
2026-09-26 245 -> 240 125.83 -> 131.18

Riichi On Ice: 43% -> 29%
2026-09-06 240 -> 245 125.83
2026-09-03 231 -> 240 136.22 -> 125.83

Riichi over The Volga 2025: 71% -> 57%
2026-09-02 232 -> 231 136.22
2026-09-01 239 -> 232 136.22
2026-08-31 238 -> 239 136.09 -> 136.22
2026-08-27 239 -> 238 136.09
2026-08-16 232 -> 239 136.09
2026-08-15 232 135.81 -> 136.09

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 314 2025-05-03 49/71 57% 3.50 RR Riichi over The Volga 2025 Samara
2 24 2025-01-26 42/43 29% 2.60 RR Riichi On Ice Samara
3 719 2024-10-13 26/90 0% 3.75 RR Moscow Riichi 2024 Moscow
4 570 2024-08-04 35/80 0% 3.65 RR Riichi over Volga Samara
5 486 2011-04-23 19/36 0% 0.90 EMA Moscow Riichi 2011 Moscow