Altynchurin Alexandr
From Ivanovo, Russia
EMA: 15990184
Common russian riichi rating (CRR)
Rating date Sept. 3, 2026 (latest changes Sept. 3, 2026).
326 place (115.49).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (818.18 * 1.10 * 0.86 + 111.11 * 2.45 * 1 + 0 + 0 + 0) / (1.10 * 0.86 + 2.45 * 1 + 1 + 1 + 1) = 163.24746081926415
p2 = (818.18 * 1.10 * 0.86 + 111.11 * 2.45 * 1) / max_coefficients = 67.72290720311487
score = 163.24746081926415 * 0.5 + 67.72290720311487 * 0.5 = 115.48518401118952
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-01 | 331 -> 326 | 115.49 | |
| 2026-08-31 | 331 | 115.38 -> 115.49 | |
| 2026-08-30 | 329 -> 331 | 115.38 | |
| 2026-08-29 | 330 -> 329 | 115.38 | |
| 2026-08-16 | 325 -> 330 | 115.38 | |
| 2026-08-15 | 325 | 115.13 -> 115.38 | |
| 2026-08-14 | 326 -> 325 | 115.13 | |
| 2026-08-13 | 327 -> 326 | 115.13 | |
| 2026-08-04 | 331 -> 327 | 115.13 | |
| 2026-08-02 | 175 -> 331 | 39.31 -> 115.13 |
Ivanovo Babayka 2026: 0% -> 100% turnir-desyatiletiya-kluba-damaten-2015-2025: 100% -> 86% |