Yakovlev Andrey

From Simferopol, Russia

EMA: 15990293

Player page

Internal rating (RR)

Rating date June 18, 2026 (latest changes June 16, 2026).

163 place (283.76).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

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 = 172.73346598938883

score = 394.78882333949696 * 0.5 + 172.73346598938883 * 0.5 = 283.7611446644429

Rating changes

Show

all results
Date Place Points Reason
2026-06-15 164 -> 163 280.63 -> 283.76
2026-06-14 147 -> 164 287.97 -> 280.63
2026-06-13 146 -> 147 287.97
2026-06-09 147 -> 146 287.97
2026-06-04 151 -> 147 287.97
2026-05-17 148 -> 151 287.97
2026-05-12 156 -> 148 287.97
2026-05-03 153 -> 156 287.37 -> 287.97
2026-05-01 154 -> 153 287.37
2026-04-27 147 -> 154 299.21 -> 287.37

South Dragon Cup II: 100% -> 86%

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