Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date June 2, 2024 (latest changes May 25, 2024).
74 place (429.17).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
p1 = (741.94 * 1.80 * 0.71 + 923.08 * 1.80 * 0.29 + 565.22 * 1.40 * 0.86 + 782.61 * 2.10 * 1 + 0) / (1.80 * 0.71 + 1.80 * 0.29 + 1.40 * 0.86 + 2.10 * 1 + 1) = 614.8175227953061
p2 = (782.61 * 2.10 * 1 + 741.94 * 1.80 * 0.71 + 565.22 * 1.40 * 0.86 + 923.08 * 1.80 * 0.29) / max_coefficients = 243.5292207792208
score = 614.8175227953061 * 0.5 + 243.5292207792208 * 0.5 = 429.1733717872635
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-19 | 71 -> 74 | 429.17 | |
| 2024-05-12 | 56 -> 71 | 444.28 -> 429.17 | |
| 2024-05-06 | 57 -> 56 | 444.28 | |
| 2024-05-05 | 56 -> 57 | 444.28 | |
| 2024-04-27 | 53 -> 56 | 459.19 -> 444.28 |
Sun tournament: 43% -> 29% |
| 2024-04-25 | 50 -> 53 | 468.37 -> 459.19 |
Earth cup: 86% -> 71% |
| 2024-04-22 | 49 -> 50 | 471.52 -> 468.37 |
Fire cup 2023: 100% -> 86% |
| 2024-04-12 | 50 -> 49 | 471.52 | |
| 2024-03-30 | 87 -> 50 | 328.35 -> 471.52 |
Seihoku spring tournament 2024: 0% -> 100% |
| 2024-03-20 | 89 -> 87 | 328.35 |
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 | 86% | 1.40 | CRR | Fire cup 2023 |
| 3 | 742 |
|
9/32 | 71% | 1.80 | CRR | Earth cup |
| 4 | 923 |
|
4/40 | 29% | 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 |