Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Internal rating (RR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
122 place (137.10).
how we calculated rating score
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
Date | Place | Points | Reason |
---|---|---|---|
2021-02-01 | 78 -> 122 | 460.67 -> 137.10 | |
2020-02-01 | 78 | 460.67 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 317 |
|
44/64 | 71% | 3.45 | EMA | Saint Petersburg Open 2019 |
2 | 308 |
|
28/40 | 43% | 2.90 | RR | Summer Cup 2019 |
3 | 872 |
|
6/40 | 0% | 2.90 | RR | North Cup 2018 |
4 | 957 |
|
2/24 | 0% | 2.50 | RR | West cup 2018 |
5 | 676 |
|
24/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
6 | 613 |
|
13/32 | 0% | 2.70 | RR | East Cup 2018 |
7 | 554 |
|
38/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
8 | 873 |
|
9/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
9 | 615 |
|
16/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |
10 | 513 |
|
20/40 | 0% | 1.80 | RR | Saint Petersburg championship. West cup 2017 |
11 | 186 |
|
36/44 | 0% | 1.90 | RR | Saint Petersburg championship. South cup 2017 |
12 | 127 |
|
63/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
13 | 323 |
|
22/32 | 0% | 1.60 | RR | Tournament of 4 winds. West cup 2016 |