Skosyrev Sergey
From Ivanovo, Russia
EMA: 15990339
Common russian riichi rating (CRR)
Rating date Aug. 13, 2026 (latest changes Aug. 13, 2026).
359 place (0.00).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (0 * 1.10 * 0.86 + 0 * 2.45 * 1 + 0 + 0 + 0) / (1.10 * 0.86 + 2.45 * 1 + 1 + 1 + 1) = 0.0
p2 = (0 * 1.10 * 0.86 + 0 * 2.45 * 1) / max_coefficients = 0.0
score = 0.0 * 0.5 + 0.0 * 0.5 = 0.0
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-08-04 | 366 -> 359 | 0.00 | |
| 2026-08-02 | 260 -> 366 | 87.25 -> 0.00 |
Ivanovo Babayka 2026: 0% -> 100% turnir-desyatiletiya-kluba-damaten-2015-2025: 100% -> 86% |
| 2020-02-01 | 260 | 87.25 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 0 |
|
28/28 | 100% | 2.45 | RR | Ivanovo Babayka 2026 | Ivanovo | |
| 2 | 0 |
|
12/12 | 86% | 1.10 | CRR | turnir-desyatiletiya-kluba-damaten-2015-2025 | Ivanovo | |
| 3 | 333 |
|
11/16 | 0% | 1.40 | RR | Ivanovo open riichi tournament 2019 | Ivanovo | |
| 4 | 267 |
|
12/16 | 0% | 1.40 | CRR | Ivanovo open riichi tournament 2018 | Ivanovo | |
| 5 | 85 |
|
66/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten | Perm | |
| 6 | 18 |
|
55/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 | Moscow |