Shirshov Alexander

From Saint Petersburg, Russia

EMA: 15990308

Player page

Common russian riichi rating (CRR)

Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).

50 place (412.20).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55

p1 = (946.67 * 3.45 * 0.71 + 923.08 * 1.80 * 1 + 0 + 0 + 0) / (3.45 * 0.71 + 1.80 * 1 + 1 + 1 + 1) = 549.8700156311623

p2 = (946.67 * 3.45 * 0.71 + 923.08 * 1.80 * 1) / max_coefficients = 274.5319587628866

score = 549.8700156311623 * 0.5 + 274.5319587628866 * 0.5 = 412.20098719702446

Rating changes

Show

all results
Date Place Points Reason
2023-02-19 51 -> 50 412.20
2023-01-28 42 -> 51 439.19 -> 412.20

Saint Petersburg Open 2021: 86% -> 71%
2022-12-19 43 -> 42 437.73 -> 439.19
2022-12-18 41 -> 43 437.73
2022-12-03 145 -> 41 137.10 -> 437.73
2021-02-01 89 -> 145 460.67 -> 137.10
2020-02-01 89 460.67

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 71% 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