Ryazanov Aleksandr
From Samara, Russia
EMA: 15990057
Internal rating (RR)
Rating date Nov. 11, 2026 (latest changes Nov. 8, 2026).
256 place (63.05).
how we calculated rating score
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
| 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 |
|
49/71 | 43% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 2 | 24 |
|
42/43 | 29% | 2.60 | RR | Riichi On Ice | Samara | |
| 3 | 719 |
|
26/90 | 0% | 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 |