Ryazanov Aleksandr
From Samara, Russia
EMA: 15990057
Internal rating (RR)
Rating date Aug. 6, 2026 (latest changes Aug. 4, 2026).
219 place (169.17).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (719.10 * 3.75 * 0.29 + 23.81 * 2.60 * 0.43 + 314.29 * 3.50 * 0.71 + 0 + 0) / (3.75 * 0.29 + 2.60 * 0.43 + 3.50 * 0.71 + 1 + 1) = 236.72463293390376
p2 = (314.29 * 3.50 * 0.71 + 719.10 * 3.75 * 0.29 + 23.81 * 2.60 * 0.43) / max_coefficients = 101.62314251023012
score = 236.72463293390376 * 0.5 + 101.62314251023012 * 0.5 = 169.17388772206695
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2026-07-03 | 199 -> 202 | 210.18 -> 204.18 |
Riichi over The Volga 2025: 86% -> 71% |
| 2026-07-01 | 203 -> 199 | 210.18 | |
| 2026-06-15 | 203 | 207.80 -> 210.18 | |
| 2026-06-14 | 181 -> 203 | 213.38 -> 207.80 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 314 |
|
49/71 | 71% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 2 | 24 |
|
42/43 | 43% | 2.60 | RR | Riichi On Ice | Samara | |
| 3 | 719 |
|
26/90 | 29% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 4 | 570 |
|
35/80 | 0% | 3.65 | RR | Riichi over Volga | Samara | |
| 5 | 486 |
|
19/36 | 0% | 0.90 | EMA | Moscow Riichi 2011 | Moscow |