Yakovlev Andrey

From Simferopol, Russia

EMA: 15990293

Player page

Internal rating (RR)

Rating date May 9, 2026 (latest changes May 7, 2026).

157 place (287.97).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (666.67 * 2 * 0.86 + 736.84 * 2.10 * 1 + 0 + 0 + 0) / (2 * 0.86 + 2.10 * 1 + 1 + 1 + 1) = 394.78882333949696

p2 = (736.84 * 2.10 * 1 + 666.67 * 2 * 0.86) / max_coefficients = 181.15622895622897

score = 394.78882333949696 * 0.5 + 181.15622895622897 * 0.5 = 287.97252614786294

Rating changes

Show

all results
Date Place Points Reason
2026-05-03 154 -> 157 287.37 -> 287.97
2026-05-01 155 -> 154 287.37
2026-04-27 148 -> 155 299.21 -> 287.37

South Dragon Cup II: 100% -> 86%
2026-04-26 149 -> 148 299.21
2026-04-19 191 -> 149 188.72 -> 299.21

The Southern Dragon Cup 2026: 0% -> 100%
2026-03-14 192 -> 191 188.72
2026-03-12 193 -> 192 188.72
2026-03-10 194 -> 193 188.72
2026-02-23 185 -> 194 188.72
2026-02-08 184 -> 185 188.72

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 737 2026-04-19 6/20 100% 2.10 RR The Southern Dragon Cup 2026 Simferopol
2 667 2025-04-27 6/16 86% 2.00 RR South Dragon Cup II Simferopol
3 478 2024-03-30 25/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
4 460 2019-11-24 35/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
5 639 2019-05-04 31/84 0% 4.20 EMA Haru Shanten 2019 Perm
6 84 2017-12-11 77/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
7 859 2016-12-04 11/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
8 43 2015-03-01 23/24 0% 1.40 EMA Crimean Riichi Open 2015 Simferopol
9 630 2013-11-24 11/28 0% 1.50 EMA Crimean Riichi Open 2013 Simferopol