Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date Nov. 6, 2022 (latest changes Nov. 6, 2022).
38 place (460.73).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 1) = 15.2
p1 = (946.67 * 3.45 * 1 + 923.08 * 1.80 * 1 + 0 + 0 + 0) / (3.45 * 1 + 1.80 * 1 + 1 + 1 + 1) = 597.2775757575757
p2 = (946.67 * 3.45 * 1 + 923.08 * 1.80 * 1) / max_coefficients = 324.18026315789473
score = 597.2775757575757 * 0.5 + 324.18026315789473 * 0.5 = 460.72891945773523
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-11-06 | 29 -> 38 | 470.93 -> 460.73 | |
2022-08-27 | 146 -> 29 | 137.10 -> 470.93 |
Sun tournament: 0% -> 100% |
2021-02-01 | 90 -> 146 | 460.67 -> 137.10 | |
2020-02-01 | 90 | 460.67 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 923 |
|
4/40 | 100% | 1.80 | CRR | Sun tournament |
2 | 947 |
|
5/76 | 100% | 3.45 | RR | Saint Petersburg Open 2021 |
3 | 317 |
|
44/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
4 | 308 |
|
28/40 | 0% | 2.90 | RR | Summer Cup 2019 |
5 | 872 |
|
6/40 | 0% | 2.90 | RR | North Cup 2018 |
6 | 957 |
|
2/24 | 0% | 2.50 | RR | West cup 2018 |
7 | 676 |
|
24/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
8 | 613 |
|
13/32 | 0% | 2.70 | RR | East Cup 2018 |
9 | 554 |
|
38/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
10 | 873 |
|
9/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
11 | 615 |
|
16/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |
12 | 513 |
|
20/40 | 0% | 1.80 | RR | Saint Petersburg championship. West cup 2017 |
13 | 186 |
|
36/44 | 0% | 1.90 | RR | Saint Petersburg championship. South cup 2017 |
14 | 127 |
|
63/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
15 | 323 |
|
22/32 | 0% | 1.60 | RR | Tournament of 4 winds. West cup 2016 |