Gorshkova Olga
From Ivanovo, Russia
Common russian riichi rating (CRR)
Rating date Oct. 7, 2026 (latest changes Oct. 3, 2026).
266 place (219.84).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (636.36 * 1.10 * 0.71 + 592.59 * 2.45 * 1 + 0 + 0 + 0) / (1.10 * 0.71 + 2.45 * 1 + 1 + 1 + 1) = 313.0122696139826
p2 = (592.59 * 2.45 * 1 + 636.36 * 1.10 * 0.71) / max_coefficients = 126.66190785204412
score = 313.0122696139826 * 0.5 + 126.66190785204412 * 0.5 = 219.83708873301336
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-10-02 | 261 -> 266 | 227.05 -> 219.84 |
turnir-desyatiletiya-kluba-damaten-2015-2025: 86% -> 71% |
| 2026-09-15 | 262 -> 261 | 227.05 | |
| 2026-09-13 | 263 -> 262 | 227.05 | |
| 2026-09-06 | 256 -> 263 | 227.05 | |
| 2026-09-01 | 261 -> 256 | 227.05 | |
| 2026-08-31 | 261 | 226.84 -> 227.05 | |
| 2026-08-30 | 258 -> 261 | 226.84 | |
| 2026-08-16 | 255 -> 258 | 226.84 | |
| 2026-08-15 | 255 | 226.35 -> 226.84 | |
| 2026-08-13 | 257 -> 255 | 226.35 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 593 |
|
12/28 | 100% | 2.45 | RR | Ivanovo Babayka 2026 | Ivanovo | |
| 2 | 636 |
|
5/12 | 71% | 1.10 | CRR | turnir-desyatiletiya-kluba-damaten-2015-2025 | Ivanovo | |
| 3 | 267 |
|
12/16 | 0% | 1.40 | RR | Ivanovo open riichi tournament 2019 | Ivanovo |