Ryazanov Aleksandr

From Samara, Russia

EMA: 15990057

Player page

Internal rating (RR)

Rating date Nov. 11, 2026 (latest changes Nov. 8, 2026).

256 place (63.05).

max_coefficients = (4.71 * 1 + 3.40 * 1 + 3.40 * 1 + 3.40 * 1) = 14.91

p1 = (23.81 * 2.60 * 0.29 + 314.29 * 3.50 * 0.43 + 0 + 0 + 0) / (2.60 * 0.29 + 3.50 * 0.43 + 1 + 1 + 1) = 93.29724657252065

p2 = (314.29 * 3.50 * 0.43 + 23.81 * 2.60 * 0.29) / max_coefficients = 32.80684104627766

score = 93.29724657252065 * 0.5 + 32.80684104627766 * 0.5 = 63.05204380939915

Rating changes

Show

Date Place Points Reason
2026-11-08 251 -> 256 63.05
2026-11-04 251 62.52 -> 63.05
2026-11-03 251 77.23 -> 62.52

Riichi over The Volga 2025: 57% -> 43%

2026-10-31 248 -> 251 77.23
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

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 314 2025-05-03 49/71 43% 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