Shirshov Alexander

From Saint Petersburg, Russia

EMA: 15990308

Player page

Common russian riichi rating (CRR)

Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).

41 place (484.26).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (946.67 * 3.45 * 0.29 + 923.08 * 1.80 * 0.86 + 741.94 * 1.80 * 1 + 565.22 * 1.40 * 1 + 0) / (3.45 * 0.29 + 1.80 * 0.86 + 1.80 * 1 + 1.40 * 1 + 1) = 666.4214391289516

p2 = (923.08 * 1.80 * 0.86 + 741.94 * 1.80 * 1 + 946.67 * 3.45 * 0.29 + 565.22 * 1.40 * 1) / max_coefficients = 302.0956463066722

score = 666.4214391289516 * 0.5 + 302.0956463066722 * 0.5 = 484.2585427178119

Rating changes

Show

all results
Date Place Points Reason
2023-09-03 29 -> 41 497.54 -> 484.26
2023-08-27 25 -> 29 510.97 -> 497.54

Sun tournament: 100% -> 86%
2023-08-26 23 -> 25 510.97
2023-08-19 24 -> 23 510.97
2023-08-12 27 -> 24 503.94 -> 510.97
2023-07-28 23 -> 27 529.27 -> 503.94

Saint Petersburg Open 2021: 43% -> 29%
2023-07-20 25 -> 23 529.27
2023-06-12 25 522.14 -> 529.27
2023-06-11 24 -> 25 538.31 -> 522.14
2023-05-28 22 -> 24 563.33 -> 538.31

Saint Petersburg Open 2021: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 565 2023-04-22 11/24 100% 1.40 CRR Fire cup 2023 Saint Petersburg
2 742 2023-02-25 9/32 100% 1.80 CRR Earth cup Saint Petersburg
3 923 2022-08-27 4/40 86% 1.80 CRR Sun tournament Saint Petersburg
4 947 2021-11-28 5/76 29% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
5 317 2019-11-24 44/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
6 308 2019-06-02 28/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
7 872 2018-12-23 6/40 0% 2.90 RR North Cup 2018 Saint Petersburg
8 957 2018-09-23 2/24 0% 2.50 RR West cup 2018 Saint Petersburg
9 676 2018-06-11 24/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
10 613 2018-03-04 13/32 0% 2.70 RR East Cup 2018 Saint Petersburg
11 554 2017-12-11 38/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
12 873 2017-10-22 9/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
13 615 2017-10-01 16/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg
14 513 2017-06-03 20/40 0% 1.80 RR Saint Petersburg championship. West cup 2017 Saint Petersburg
15 186 2017-03-18 36/44 0% 1.90 RR Saint Petersburg championship. South cup 2017 Saint Petersburg
16 127 2016-12-04 63/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
17 323 2016-10-16 22/32 0% 1.60 RR Tournament of 4 winds. West cup 2016 Saint Petersburg