Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date March 20, 2024 (latest changes March 20, 2024).
86 place (328.35).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (741.94 * 1.80 * 0.86 + 923.08 * 1.80 * 0.43 + 565.22 * 1.40 * 1 + 0 + 0) / (1.80 * 0.86 + 1.80 * 0.43 + 1.40 * 1 + 1 + 1) = 463.4160853723842
p2 = (741.94 * 1.80 * 0.86 + 565.22 * 1.40 * 1 + 923.08 * 1.80 * 0.43) / max_coefficients = 193.29051094890508
score = 463.4160853723842 * 0.5 + 193.29051094890508 * 0.5 = 328.3532981606446
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-03-20 | 88 -> 86 | 328.35 | |
2024-03-10 | 85 -> 88 | 333.17 -> 328.35 | |
2024-03-06 | 86 -> 85 | 328.71 -> 333.17 | |
2024-03-03 | 87 -> 86 | 328.71 | |
2024-02-27 | 80 -> 87 | 347.29 -> 328.71 |
Sun tournament: 57% -> 43% |
2024-02-25 | 73 -> 80 | 359.62 -> 347.29 |
Earth cup: 100% -> 86% |
2024-02-12 | 75 -> 73 | 359.62 | |
2024-01-20 | 76 -> 75 | 359.62 | |
2024-01-06 | 78 -> 76 | 354.88 -> 359.62 | |
2023-12-27 | 75 -> 78 | 371.72 -> 354.88 |
Sun tournament: 71% -> 57% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 565 |
|
11/24 | 100% | 1.40 | CRR | Fire cup 2023 |
2 | 742 |
|
9/32 | 86% | 1.80 | CRR | Earth cup |
3 | 923 |
|
4/40 | 43% | 1.80 | CRR | Sun tournament |
4 | 947 |
|
5/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
5 | 317 |
|
44/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
6 | 308 |
|
28/40 | 0% | 2.90 | RR | Summer Cup 2019 |
7 | 872 |
|
6/40 | 0% | 2.90 | RR | North Cup 2018 |
8 | 957 |
|
2/24 | 0% | 2.50 | RR | West cup 2018 |
9 | 676 |
|
24/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
10 | 613 |
|
13/32 | 0% | 2.70 | RR | East Cup 2018 |
11 | 554 |
|
38/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
12 | 873 |
|
9/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
13 | 615 |
|
16/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |
14 | 513 |
|
20/40 | 0% | 1.80 | RR | Saint Petersburg championship. West cup 2017 |
15 | 186 |
|
36/44 | 0% | 1.90 | RR | Saint Petersburg championship. South cup 2017 |
16 | 127 |
|
63/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
17 | 323 |
|
22/32 | 0% | 1.60 | RR | Tournament of 4 winds. West cup 2016 |