Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date Oct. 25, 2024 (latest changes Oct. 25, 2024).
135 place (301.28).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (741.94 * 1.80 * 0.29 + 565.22 * 1.40 * 0.43 + 782.61 * 2.10 * 1 + 0 + 0) / (1.80 * 0.29 + 1.40 * 0.43 + 2.10 * 1 + 1 + 1) = 453.40314136125664
p2 = (782.61 * 2.10 * 1 + 741.94 * 1.80 * 0.29 + 565.22 * 1.40 * 0.43) / max_coefficients = 149.1596214511041
score = 453.40314136125664 * 0.5 + 149.1596214511041 * 0.5 = 301.28138140618034
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-10-25 | 130 -> 135 | 314.08 -> 301.28 |
Earth cup: 43% -> 29% |
2024-10-22 | 130 | 319.38 -> 314.08 |
Fire cup 2023: 57% -> 43% |
2024-10-13 | 123 -> 130 | 321.12 -> 319.38 | |
2024-10-11 | 124 -> 123 | 321.12 | |
2024-09-15 | 122 -> 124 | 321.12 | |
2024-09-06 | 123 -> 122 | 321.12 | |
2024-09-03 | 122 -> 123 | 318.07 -> 321.12 | |
2024-09-01 | 111 -> 122 | 322.41 -> 318.07 | |
2024-08-27 | 112 -> 111 | 322.41 |
Sun tournament: 14% -> 0% |
2024-08-26 | 93 -> 112 | 389.70 -> 322.41 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 783 |
|
11/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
2 | 565 |
|
11/24 | 43% | 1.40 | CRR | Fire cup 2023 |
3 | 742 |
|
9/32 | 29% | 1.80 | CRR | Earth cup |
4 | 923 |
|
4/40 | 0% | 1.80 | CRR | Sun tournament |
5 | 947 |
|
5/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
6 | 317 |
|
44/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
7 | 308 |
|
28/40 | 0% | 2.90 | RR | Summer Cup 2019 |
8 | 872 |
|
6/40 | 0% | 2.90 | RR | North Cup 2018 |
9 | 957 |
|
2/24 | 0% | 2.50 | RR | West cup 2018 |
10 | 676 |
|
24/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
11 | 613 |
|
13/32 | 0% | 2.70 | RR | East Cup 2018 |
12 | 554 |
|
38/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
13 | 873 |
|
9/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
14 | 615 |
|
16/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |
15 | 513 |
|
20/40 | 0% | 1.80 | RR | Saint Petersburg championship. West cup 2017 |
16 | 186 |
|
36/44 | 0% | 1.90 | RR | Saint Petersburg championship. South cup 2017 |
17 | 127 |
|
63/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
18 | 323 |
|
22/32 | 0% | 1.60 | RR | Tournament of 4 winds. West cup 2016 |