Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date March 20, 2023 (latest changes March 20, 2023).
32 place (520.14).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (946.67 * 3.45 * 0.71 + 923.08 * 1.80 * 1 + 741.94 * 1.80 * 1 + 0 + 0) / (3.45 * 0.71 + 1.80 * 1 + 1.80 * 1 + 1 + 1) = 660.9249243738014
p2 = (946.67 * 3.45 * 0.71 + 923.08 * 1.80 * 1 + 741.94 * 1.80 * 1) / max_coefficients = 379.35778673793675
score = 660.9249243738014 * 0.5 + 379.35778673793675 * 0.5 = 520.141355555869
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-03-20 | 32 | 513.62 -> 520.14 | |
2023-02-25 | 50 -> 32 | 412.20 -> 513.62 |
Earth cup: 0% -> 100% |
2023-02-19 | 51 -> 50 | 412.20 | |
2023-01-28 | 42 -> 51 | 439.19 -> 412.20 |
Saint Petersburg Open 2021: 86% -> 71% |
2022-12-19 | 43 -> 42 | 437.73 -> 439.19 | |
2022-12-18 | 41 -> 43 | 437.73 | |
2022-12-03 | 145 -> 41 | 137.10 -> 437.73 | |
2021-02-01 | 89 -> 145 | 460.67 -> 137.10 | |
2020-02-01 | 89 | 460.67 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 742 |
|
9/32 | 100% | 1.80 | CRR | Earth cup |
2 | 923 |
|
4/40 | 100% | 1.80 | CRR | Sun tournament |
3 | 947 |
|
5/76 | 71% | 3.45 | RR | Saint Petersburg Open 2021 |
4 | 317 |
|
44/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
5 | 308 |
|
28/40 | 0% | 2.90 | RR | Summer Cup 2019 |
6 | 872 |
|
6/40 | 0% | 2.90 | RR | North Cup 2018 |
7 | 957 |
|
2/24 | 0% | 2.50 | RR | West cup 2018 |
8 | 676 |
|
24/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
9 | 613 |
|
13/32 | 0% | 2.70 | RR | East Cup 2018 |
10 | 554 |
|
38/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
11 | 873 |
|
9/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
12 | 615 |
|
16/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |
13 | 513 |
|
20/40 | 0% | 1.80 | RR | Saint Petersburg championship. West cup 2017 |
14 | 186 |
|
36/44 | 0% | 1.90 | RR | Saint Petersburg championship. South cup 2017 |
15 | 127 |
|
63/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
16 | 323 |
|
22/32 | 0% | 1.60 | RR | Tournament of 4 winds. West cup 2016 |