Yakovlev Andrey

From Simferopol, Russia

EMA: 15990293

Player page

Internal rating (RR)

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

132 place (363.13).

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

p1 = (666.67 * 2 * 0.57 + 736.84 * 2.10 * 1 + 789.47 * 1.30 * 1 + 0 + 0) / (2 * 0.57 + 2.10 * 1 + 1.30 * 1 + 1 + 1) = 509.80619918077883

p2 = (736.84 * 2.10 * 1 + 789.47 * 1.30 * 1 + 666.67 * 2 * 0.57) / max_coefficients = 216.4542504866969

score = 509.80619918077883 * 0.5 + 216.4542504866969 * 0.5 = 363.1302248337379

Rating changes

Show

all results
Date Place Points Reason
2026-09-07 133 -> 132 363.13
2026-09-06 128 -> 133 363.13
2026-09-02 129 -> 128 363.13
2026-09-01 130 -> 129 363.13
2026-08-31 130 362.78 -> 363.13
2026-08-27 126 -> 130 372.22 -> 362.78

South Dragon Cup II: 71% -> 57%
2026-08-16 122 -> 126 372.22
2026-08-15 124 -> 122 371.39 -> 372.22
2026-08-13 125 -> 124 371.39
2026-08-03 126 -> 125 371.39

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 789 2026-07-18 5/20 100% 1.30 RR Heat in the discard Simferopol
2 737 2026-04-19 6/20 100% 2.10 RR The Southern Dragon Cup 2026 Simferopol
3 667 2025-04-27 6/16 57% 2.00 RR South Dragon Cup II Simferopol
4 478 2024-03-30 25/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
5 460 2019-11-24 35/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
6 639 2019-05-04 31/84 0% 4.20 EMA Haru Shanten 2019 Perm
7 84 2017-12-11 77/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
8 859 2016-12-04 11/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
9 43 2015-03-01 23/24 0% 1.40 EMA Crimean Riichi Open 2015 Simferopol
10 630 2013-11-24 11/28 0% 1.50 EMA Crimean Riichi Open 2013 Simferopol