Shirshov Alexander

From Saint Petersburg, Russia

EMA: 15990308

Player page

Common russian riichi rating (CRR)

Rating date May 6, 2023 (latest changes May 6, 2023).

21 place (555.91).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985

p1 = (946.67 * 3.45 * 0.57 + 741.94 * 1.80 * 1 + 565.22 * 1.40 * 1 + 923.08 * 1.80 * 1 + 0) / (3.45 * 0.57 + 1.80 * 1 + 1.40 * 1 + 1.80 * 1 + 1) = 709.3559042217547

p2 = (946.67 * 3.45 * 0.57 + 923.08 * 1.80 * 1 + 741.94 * 1.80 * 1 + 565.22 * 1.40 * 1) / max_coefficients = 402.46052448958534

score = 709.3559042217547 * 0.5 + 402.46052448958534 * 0.5 = 555.90821435567

Rating changes

Show

all results
Date Place Points Reason
2023-05-06 22 -> 21 555.91
2023-04-22 33 -> 22 494.23 -> 555.91

Fire cup 2023: 0% -> 100%
2023-04-19 34 -> 33 494.23
2023-03-28 32 -> 34 520.14 -> 494.23

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 32 513.62 -> 520.14
2023-02-25 50 -> 32 412.20 -> 513.62

Earth cup: 0% -> 100%
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

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 4/40 100% 1.80 CRR Sun tournament
4 947 2021-11-28 5/76 57% 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