Ryazanov Aleksandr

From Samara, Russia

EMA: 15990057

Player page

Common russian riichi rating (CRR)

Rating date Aug. 31, 2026 (latest changes Aug. 31, 2026).

322 place (136.22).

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

p1 = (719.10 * 3.75 * 0.14 + 23.81 * 2.60 * 0.43 + 314.29 * 3.50 * 0.71 + 0 + 0) / (3.75 * 0.14 + 2.60 * 0.43 + 3.50 * 0.71 + 1 + 1) = 194.72430952386762

p2 = (314.29 * 3.50 * 0.71 + 719.10 * 3.75 * 0.14 + 23.81 * 2.60 * 0.43) / max_coefficients = 77.71641791044776

score = 194.72430952386762 * 0.5 + 77.71641791044776 * 0.5 = 136.22036371715768

Rating changes

Show

all results
Date Place Points Reason
2026-08-31 322 136.09 -> 136.22
2026-08-30 319 -> 322 136.09
2026-08-29 320 -> 319 136.09
2026-08-16 315 -> 320 136.09
2026-08-15 315 135.81 -> 136.09
2026-08-13 295 -> 315 169.17 -> 135.81

Moscow Riichi 2024: 29% -> 14%
2026-08-04 273 -> 295 211.77 -> 169.17

Riichi over Volga: 14% -> 0%
2026-08-02 267 -> 273 211.77
2026-07-26 274 -> 267 204.18 -> 211.77

Riichi On Ice: 57% -> 43%
2026-07-25 271 -> 274 204.18

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 14% 3.75 RR Moscow Riichi 2024 Moscow
4 570 2024-08-04 35/80 0% 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