Shmatko Aleksandra
From Samara, Russia
Internal rating (RR)
Rating date June 15, 2026 (latest changes June 14, 2026).
121 place (372.57).
how we calculated rating score
max_coefficients = (4.71 * 1 + 4.10 * 1 + 3.90 * 1 + 3.45 * 1) = 16.16
p1 = (632.91 * 3.65 * 0.14 + 280.90 * 3.75 * 0.29 + 285.71 * 2.60 * 0.57 + 857.14 * 3.50 * 0.86 + 527.27 * 3 * 1 + 132.87 * 4.71 * 1) / (3.65 * 0.14 + 3.75 * 0.29 + 2.60 * 0.57 + 3.50 * 0.86 + 3 * 1 + 4.71 * 1) = 423.14110723105205
p2 = (857.14 * 3.50 * 0.86 + 527.27 * 3 * 1 + 132.87 * 4.71 * 1 + 285.71 * 2.60 * 0.57) / max_coefficients = 321.9919554455446
score = 423.14110723105205 * 0.5 + 321.9919554455446 * 0.5 = 372.5665313382983
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-14 | 77 -> 121 | 452.11 -> 372.57 |
XII Russian Championship: 0% -> 100% |
| 2026-06-13 | 79 -> 77 | 448.04 -> 452.11 |
Moscow Riichi 2024: 43% -> 29% |
| 2026-06-09 | 80 -> 79 | 448.04 | |
| 2026-06-08 | 81 -> 80 | 448.04 | |
| 2026-06-04 | 78 -> 81 | 457.91 -> 448.04 |
Riichi over Volga: 29% -> 14% |
| 2026-06-02 | 77 -> 78 | 457.91 | |
| 2026-05-26 | 80 -> 77 | 455.70 -> 457.91 |
Riichi On Ice: 71% -> 57% |
| 2026-05-12 | 81 -> 80 | 455.70 | |
| 2026-05-03 | 76 -> 81 | 475.78 -> 455.70 |
Riichi over The Volga 2025: 100% -> 86% |
| 2026-04-26 | 77 -> 76 | 475.78 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 133 |
|
125/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 2 | 527 |
|
27/56 | 100% | 3.00 | RR | Riichi On Ice 2026 | Samara | |
| 3 | 857 |
|
11/71 | 86% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 4 | 286 |
|
31/43 | 57% | 2.60 | RR | Riichi On Ice | Samara | |
| 5 | 281 |
|
65/90 | 29% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 6 | 633 |
|
30/80 | 14% | 3.65 | RR | Riichi over Volga | Samara |