Shirshov Alexander

From Saint Petersburg, Russia

EMA: 15990308

Player page

Common russian riichi rating (CRR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

145 place (137.10).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (307.69 * 2.90 * 0.43 + 317.46 * 3.45 * 0.71 + 0 + 0 + 0) / (2.90 * 0.43 + 3.45 * 0.71 + 1 + 1 + 1) = 173.65770748925607

p2 = (317.46 * 3.45 * 0.71 + 307.69 * 2.90 * 0.43) / max_coefficients = 100.5356197259626

score = 173.65770748925607 * 0.5 + 100.5356197259626 * 0.5 = 137.09666360760934

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 89 -> 145 460.67 -> 137.10
2020-02-01 89 460.67

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 317 2019-11-24 44/64 71% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
2 308 2019-06-02 28/40 43% 2.90 RR Summer Cup 2019 Saint Petersburg
3 872 2018-12-23 6/40 0% 2.90 RR North Cup 2018 Saint Petersburg
4 957 2018-09-23 2/24 0% 2.50 RR West cup 2018 Saint Petersburg
5 676 2018-06-11 24/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
6 613 2018-03-04 13/32 0% 2.70 RR East Cup 2018 Saint Petersburg
7 554 2017-12-11 38/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
8 873 2017-10-22 9/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
9 615 2017-10-01 16/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg
10 513 2017-06-03 20/40 0% 1.80 RR Saint Petersburg championship. West cup 2017 Saint Petersburg
11 186 2017-03-18 36/44 0% 1.90 RR Saint Petersburg championship. South cup 2017 Saint Petersburg
12 127 2016-12-04 63/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
13 323 2016-10-16 22/32 0% 1.60 RR Tournament of 4 winds. West cup 2016 Saint Petersburg