Rybakov Anton
From Kovrov, Russia
EMA: 15990261
Common russian riichi rating (CRR)
Rating date Aug. 4, 2026 (latest changes Aug. 4, 2026).
307 place (159.05).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (181.82 * 1.10 * 0.86 + 518.52 * 2.45 * 1 + 0 + 0 + 0) / (1.10 * 0.86 + 2.45 * 1 + 1 + 1 + 1) = 225.5330597968655
p2 = (518.52 * 2.45 * 1 + 181.82 * 1.10 * 0.86) / max_coefficients = 92.5760765783727
score = 225.5330597968655 * 0.5 + 92.5760765783727 * 0.5 = 159.0545681876191
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-08-04 | 311 -> 307 | 159.05 | |
| 2026-08-02 | 311 | 159.05 |
Ivanovo Babayka 2026: 0% -> 100% turnir-desyatiletiya-kluba-damaten-2015-2025: 100% -> 86% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 519 |
|
14/28 | 100% | 2.45 | RR | Ivanovo Babayka 2026 | Ivanovo | |
| 2 | 182 |
|
10/12 | 86% | 1.10 | CRR | turnir-desyatiletiya-kluba-damaten-2015-2025 | Ivanovo | |
| 3 | 872 |
|
6/40 | 0% | 2.60 | EMA | Ivanovo Region Riichi Championship 2016 | Ivanovo | |
| 4 | 733 |
|
5/16 | 0% | 1.40 | RR | Ivanovo riichi mahjong tournament 2016 | Ivanovo | |
| 5 | 263 |
|
15/20 | 0% | 2.10 | RR | Nizhny Novgorod riichi mahjong tournament | Nizhny Novgorod |