Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date Aug. 25, 2024 (latest changes Aug. 25, 2024).
93 place (389.70).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (923.08 * 1.80 * 0.14 + 741.94 * 1.80 * 0.43 + 565.22 * 1.40 * 0.57 + 782.61 * 2.10 * 1 + 0) / (1.80 * 0.14 + 1.80 * 0.43 + 1.40 * 0.57 + 2.10 * 1 + 1) = 589.5010002718792
p2 = (782.61 * 2.10 * 1 + 741.94 * 1.80 * 0.43 + 565.22 * 1.40 * 0.57 + 923.08 * 1.80 * 0.14) / max_coefficients = 189.8986928104575
score = 589.5010002718792 * 0.5 + 189.8986928104575 * 0.5 = 389.69984654116837
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-08-25 | 90 -> 93 | 399.71 -> 389.70 |
Earth cup: 57% -> 43% |
2024-08-22 | 89 -> 90 | 402.81 -> 399.71 |
Fire cup 2023: 71% -> 57% |
2024-08-20 | 90 -> 89 | 402.81 | |
2024-08-11 | 91 -> 90 | 401.70 -> 402.81 | |
2024-08-04 | 83 -> 91 | 405.89 -> 401.70 | |
2024-07-14 | 79 -> 83 | 405.89 | |
2024-07-06 | 81 -> 79 | 405.89 | |
2024-06-27 | 77 -> 81 | 421.32 -> 405.89 |
Sun tournament: 29% -> 14% |
2024-06-25 | 71 -> 77 | 430.60 -> 421.32 |
Earth cup: 71% -> 57% |
2024-06-22 | 70 -> 71 | 433.56 -> 430.60 |
Fire cup 2023: 86% -> 71% |
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 | 57% | 1.40 | CRR | Fire cup 2023 |
3 | 742 |
|
9/32 | 43% | 1.80 | CRR | Earth cup |
4 | 923 |
|
4/40 | 14% | 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 |