Isabaev Rustam
From Chelyabinsk, Russia
Common russian riichi rating (CRR)
Rating date Feb. 22, 2025 (latest changes Feb. 22, 2025).
222 place (107.98).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (210.53 * 2.10 * 0.57 + 407.41 * 2.30 * 0.71 + 0 + 0 + 0) / (2.10 * 0.57 + 2.30 * 0.71 + 1 + 1 + 1) = 157.7916865628471
p2 = (407.41 * 2.30 * 0.71 + 210.53 * 2.10 * 0.57) / max_coefficients = 58.16719242902209
score = 157.7916865628471 * 0.5 + 58.16719242902209 * 0.5 = 107.9794394959346
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-16 | 216 -> 222 | 107.98 | |
| 2025-02-02 | 210 -> 216 | 107.98 | |
| 2025-01-26 | 201 -> 210 | 107.98 | |
| 2025-01-14 | 204 -> 201 | 107.98 | |
| 2025-01-07 | 199 -> 204 | 107.98 | |
| 2025-01-05 | 194 -> 199 | 118.84 -> 107.98 |
Finding Dora: 86% -> 71% |
| 2025-01-04 | 192 -> 194 | 118.84 | |
| 2025-01-01 | 193 -> 192 | 118.84 | |
| 2024-12-29 | 192 -> 193 | 118.84 | |
| 2024-12-27 | 191 -> 192 | 121.75 -> 118.84 |
13 tiles until tempai: 71% -> 57% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 407 |
|
17/28 | 71% | 2.30 | CRR | Finding Dora |
| 2 | 211 |
|
16/20 | 57% | 2.10 | CRR | 13 tiles until tempai |