Ryazanov Aleksandr

From Samara, Russia

EMA: 15990057

Player page

Internal rating (RR)

Rating date Aug. 27, 2026 (latest changes Aug. 27, 2026).

238 place (136.09).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 15.459999999999999

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 = 77.46507115135834

score = 194.72430952386762 * 0.5 + 77.46507115135834 * 0.5 = 136.09469033761297

Rating changes

Show

all results
Date Place Points Reason
2026-08-27 239 -> 238 136.09
2026-08-16 232 -> 239 136.09
2026-08-15 232 135.81 -> 136.09
2026-08-13 219 -> 232 169.17 -> 135.81

Moscow Riichi 2024: 29% -> 14%
2026-08-04 202 -> 219 211.77 -> 169.17

Riichi over Volga: 14% -> 0%
2026-08-03 203 -> 202 211.77
2026-07-26 210 -> 203 204.18 -> 211.77

Riichi On Ice: 57% -> 43%
2026-07-25 208 -> 210 204.18
2026-07-18 204 -> 208 204.18
2026-07-12 202 -> 204 204.18

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
5 486 2011-04-23 19/36 0% 0.90 EMA Moscow Riichi 2011 Moscow