Rybakov Anton

From Kovrov, Russia

EMA: 15990261

Player page

Common russian riichi rating (CRR)

Rating date Oct. 28, 2026 (latest changes Oct. 27, 2026).

303 place (159.17).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (181.82 * 1.10 * 0.71 + 518.52 * 2.45 * 1 + 0 + 0 + 0) / (1.10 * 0.71 + 2.45 * 1 + 1 + 1 + 1) = 226.6342513226198

p2 = (518.52 * 2.45 * 1 + 181.82 * 1.10 * 0.71) / max_coefficients = 91.70863075924724

score = 226.6342513226198 * 0.5 + 91.70863075924724 * 0.5 = 159.17144104093353

Rating changes

Show

Date Place Points Reason
2026-10-27 304 -> 303 159.17
2026-10-24 301 -> 304 159.17
2026-10-14 302 -> 301 159.17
2026-10-13 305 -> 302 159.17
2026-10-10 303 -> 305 159.17
2026-10-02 304 -> 303 159.55 -> 159.17

turnir-desyatiletiya-kluba-damaten-2015-2025: 86% -> 71%

2026-09-26 303 -> 304 159.55
2026-09-15 304 -> 303 159.55
2026-09-06 297 -> 304 159.55
2026-09-03 298 -> 297 159.55

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 519 2026-08-02 14/28 100% 2.45 RR Ivanovo Babayka 2026 Ivanovo
2 182 2025-08-02 10/12 71% 1.10 CRR turnir-desyatiletiya-kluba-damaten-2015-2025 Ivanovo
3 872 2016-02-22 6/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016 Ivanovo
4 733 2016-01-09 5/16 0% 1.40 RR Ivanovo riichi mahjong tournament 2016 Ivanovo
5 263 2015-03-15 15/20 0% 2.10 RR Nizhny Novgorod riichi mahjong tournament Nizhny Novgorod