Shirshov Alexander

From Saint Petersburg, Russia

EMA: 15990308

Player page

Common russian riichi rating (CRR)

Rating date Dec. 27, 2023 (latest changes Dec. 27, 2023).

78 place (354.88).

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

p1 = (923.08 * 1.80 * 0.57 + 741.94 * 1.80 * 1 + 565.22 * 1.40 * 1 + 0 + 0) / (1.80 * 0.57 + 1.80 * 1 + 1.40 * 1 + 1 + 1) = 493.88618805109405

p2 = (741.94 * 1.80 * 1 + 923.08 * 1.80 * 0.57 + 565.22 * 1.40 * 1) / max_coefficients = 215.87500754395495

score = 493.88618805109405 * 0.5 + 215.87500754395495 * 0.5 = 354.8805977975245

Rating changes

Show

all results
Date Place Points Reason
2023-12-27 75 -> 78 371.72 -> 354.88

Sun tournament: 71% -> 57%
2023-12-12 76 -> 75 371.72
2023-11-28 53 -> 76 448.79 -> 371.72

Saint Petersburg Open 2021: 14% -> 0%
2023-11-26 50 -> 53 449.73 -> 448.79
2023-11-20 51 -> 50 449.73
2023-11-06 141 -> 51 137.10 -> 449.73
2021-02-01 86 -> 141 460.67 -> 137.10
2020-02-01 86 460.67

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 57% 1.80 CRR Sun tournament Saint Petersburg
4 947 2021-11-28 5/76 0% 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