Shirshov Alexander

From Saint Petersburg, Russia

EMA: 15990308

Player page

Common russian riichi rating (CRR)

Rating date Dec. 19, 2022 (latest changes Dec. 19, 2022).

43 place (439.19).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995

p1 = (946.67 * 3.45 * 0.86 + 923.08 * 1.80 * 1 + 0 + 0 + 0) / (3.45 * 0.86 + 1.80 * 1 + 1 + 1 + 1) = 575.071918958308

p2 = (946.67 * 3.45 * 0.86 + 923.08 * 1.80 * 1) / max_coefficients = 303.3134913012482

score = 575.071918958308 * 0.5 + 303.3134913012482 * 0.5 = 439.19270512977806

Rating changes

Show

all results
Date Place Points Reason
2022-12-19 44 -> 43 437.73 -> 439.19
2022-12-18 42 -> 44 437.73
2022-11-28 38 -> 42 460.73 -> 437.73

Saint Petersburg Open 2021: 100% -> 86%
2022-11-06 29 -> 38 470.93 -> 460.73
2022-08-27 146 -> 29 137.10 -> 470.93

Sun tournament: 0% -> 100%
2021-02-01 90 -> 146 460.67 -> 137.10
2020-02-01 90 460.67

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 923 2022-08-27 4/40 100% 1.80 CRR Sun tournament
2 947 2021-11-28 5/76 86% 3.45 RR Saint Petersburg Open 2021
3 317 2019-11-24 44/64 0% 3.45 EMA Saint Petersburg Open 2019
4 308 2019-06-02 28/40 0% 2.90 RR Summer Cup 2019
5 872 2018-12-23 6/40 0% 2.90 RR North Cup 2018
6 957 2018-09-23 2/24 0% 2.50 RR West cup 2018
7 676 2018-06-11 24/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
8 613 2018-03-04 13/32 0% 2.70 RR East Cup 2018
9 554 2017-12-11 38/84 0% 3.40 EMA VI Russian Riichi Championship 2017
10 873 2017-10-22 9/64 0% 3.45 EMA Moscow Riichi Open 2017
11 615 2017-10-01 16/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017
12 513 2017-06-03 20/40 0% 1.80 RR Saint Petersburg championship. West cup 2017
13 186 2017-03-18 36/44 0% 1.90 RR Saint Petersburg championship. South cup 2017
14 127 2016-12-04 63/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
15 323 2016-10-16 22/32 0% 1.60 RR Tournament of 4 winds. West cup 2016