Shirshov Alexander

From Saint Petersburg, Russia

EMA: 15990308

Player page

Common russian riichi rating (CRR)

Rating date Dec. 12, 2023 (latest changes Dec. 12, 2023).

76 place (371.72).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001

p1 = (923.08 * 1.80 * 0.71 + 741.94 * 1.80 * 1 + 565.22 * 1.40 * 1 + 0 + 0) / (1.80 * 0.71 + 1.80 * 1 + 1.40 * 1 + 1 + 1) = 510.908547058624

p2 = (741.94 * 1.80 * 1 + 923.08 * 1.80 * 0.71 + 565.22 * 1.40 * 1) / max_coefficients = 232.5376741600946

score = 510.908547058624 * 0.5 + 232.5376741600946 * 0.5 = 371.7231106093593

Rating changes

Show

all results
Date Place Points Reason
2023-12-12 77 -> 76 371.72
2023-11-28 54 -> 77 448.79 -> 371.72

Saint Petersburg Open 2021: 14% -> 0%
2023-11-26 51 -> 54 449.73 -> 448.79
2023-11-20 52 -> 51 449.73
2023-11-06 52 444.29 -> 449.73
2023-11-05 50 -> 52 444.29
2023-10-27 49 -> 50 458.33 -> 444.29

Sun tournament: 86% -> 71%
2023-10-12 50 -> 49 457.48 -> 458.33
2023-09-28 41 -> 50 484.26 -> 457.48

Saint Petersburg Open 2021: 29% -> 14%
2023-09-20 42 -> 41 484.26

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 565 2023-04-22 11/24 100% 1.40 CRR Fire cup 2023
2 742 2023-02-25 9/32 100% 1.80 CRR Earth cup
3 923 2022-08-27 4/40 71% 1.80 CRR Sun tournament
4 947 2021-11-28 5/76 0% 3.45 RR Saint Petersburg Open 2021
5 317 2019-11-24 44/64 0% 3.45 EMA Saint Petersburg Open 2019
6 308 2019-06-02 28/40 0% 2.90 RR Summer Cup 2019
7 872 2018-12-23 6/40 0% 2.90 RR North Cup 2018
8 957 2018-09-23 2/24 0% 2.50 RR West cup 2018
9 676 2018-06-11 24/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
10 613 2018-03-04 13/32 0% 2.70 RR East Cup 2018
11 554 2017-12-11 38/84 0% 3.40 EMA VI Russian Riichi Championship 2017
12 873 2017-10-22 9/64 0% 3.45 EMA Moscow Riichi Open 2017
13 615 2017-10-01 16/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017
14 513 2017-06-03 20/40 0% 1.80 RR Saint Petersburg championship. West cup 2017
15 186 2017-03-18 36/44 0% 1.90 RR Saint Petersburg championship. South cup 2017
16 127 2016-12-04 63/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
17 323 2016-10-16 22/32 0% 1.60 RR Tournament of 4 winds. West cup 2016