Shirshov Alexander

From Saint Petersburg, Russia

EMA: 15990308

Player page

Common russian riichi rating (CRR)

Rating date April 11, 2025 (latest changes April 11, 2025).

202 place (200.18).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (565.22 * 1.40 * 0.14 + 782.61 * 2.10 * 0.86 + 0 + 0 + 0) / (1.40 * 0.14 + 2.10 * 0.86 + 1 + 1 + 1) = 304.3438260629564

p2 = (782.61 * 2.10 * 0.86 + 565.22 * 1.40 * 0.14) / max_coefficients = 96.00694006309149

score = 304.3438260629564 * 0.5 + 96.00694006309149 * 0.5 = 200.17538306302396

Rating changes

Show

all results
Date Place Points Reason
2025-03-30 197 -> 202 221.12 -> 200.18

Seihoku spring tournament 2024: 100% -> 86%
2025-03-29 195 -> 197 221.12
2025-03-23 189 -> 195 221.12
2025-03-03 190 -> 189 221.12
2025-03-02 187 -> 190 221.12
2025-02-25 157 -> 187 275.09 -> 221.12

Earth cup: 14% -> 0%
2025-02-22 154 -> 157 281.55 -> 275.09

Fire cup 2023: 29% -> 14%
2025-02-16 147 -> 154 281.55
2025-02-11 151 -> 147 281.55
2025-02-02 144 -> 151 281.55

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 783 2024-03-30 11/47 86% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
2 565 2023-04-22 11/24 14% 1.40 CRR Fire cup 2023 Saint Petersburg
3 742 2023-02-25 9/32 0% 1.80 CRR Earth cup Saint Petersburg
4 923 2022-08-27 4/40 0% 1.80 CRR Sun tournament Saint Petersburg
5 947 2021-11-28 5/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
6 317 2019-11-24 44/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
7 308 2019-06-02 28/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
8 872 2018-12-23 6/40 0% 2.90 RR North Cup 2018 Saint Petersburg
9 957 2018-09-23 2/24 0% 2.50 RR West cup 2018 Saint Petersburg
10 676 2018-06-11 24/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
11 613 2018-03-04 13/32 0% 2.70 RR East Cup 2018 Saint Petersburg
12 554 2017-12-11 38/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
13 873 2017-10-22 9/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
14 615 2017-10-01 16/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg
15 513 2017-06-03 20/40 0% 1.80 RR Saint Petersburg championship. West cup 2017 Saint Petersburg
16 186 2017-03-18 36/44 0% 1.90 RR Saint Petersburg championship. South cup 2017 Saint Petersburg
17 127 2016-12-04 63/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
18 323 2016-10-16 22/32 0% 1.60 RR Tournament of 4 winds. West cup 2016 Saint Petersburg