Yakovlev Andrey

From Simferopol, Russia

EMA: 15990293

Player page

Internal rating (RR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

95 place (224.62).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (638.55 * 4.20 * 0.29 + 460.32 * 3.45 * 0.71 + 0 + 0 + 0) / (4.20 * 0.29 + 3.45 * 0.71 + 1 + 1 + 1) = 285.1938132805144

p2 = (460.32 * 3.45 * 0.71 + 638.55 * 4.20 * 0.29) / max_coefficients = 164.04869992132507

score = 285.1938132805144 * 0.5 + 164.04869992132507 * 0.5 = 224.62125660091974

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 121 -> 95 337.77 -> 224.62
2020-02-01 121 337.77

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 460 2019-11-24 35/64 71% 3.45 EMA Saint Petersburg Open 2019
2 639 2019-05-04 31/84 29% 4.20 EMA Haru Shanten 2019
3 84 2017-12-11 77/84 0% 3.40 EMA VI Russian Riichi Championship 2017
4 859 2016-12-04 11/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
5 43 2015-03-01 23/24 0% 1.40 EMA Crimean Riichi Open 2015
6 630 2013-11-24 11/28 0% 1.50 EMA Crimean Riichi Open 2013