Dubrovin Sergey
From Saint Petersburg, Russia
EMA: 15990313
Common russian riichi rating (CRR)
Rating date April 12, 2024 (latest changes April 12, 2024).
169 place (96.65).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (347.83 * 1.40 * 1 + 173.91 * 2.10 * 1 + 0 + 0 + 0) / (1.40 * 1 + 2.10 * 1 + 1 + 1 + 1) = 131.10461538461539
p2 = (347.83 * 1.40 * 1 + 173.91 * 2.10 * 1) / max_coefficients = 62.2029197080292
score = 131.10461538461539 * 0.5 + 62.2029197080292 * 0.5 = 96.65376754632229
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-03-30 | 182 -> 169 | 273.21 -> 96.65 |
Seihoku spring tournament 2024: 0% -> 100% |
2020-02-01 | 182 | 273.21 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 174 |
|
39/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
2 | 348 |
|
16/24 | 100% | 1.40 | CRR | Fire cup 2023 |
3 | 410 |
|
24/40 | 0% | 2.90 | RR | North Cup 2018 |
4 | 391 |
|
15/24 | 0% | 2.50 | RR | West cup 2018 |
5 | 592 |
|
30/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
6 | 290 |
|
23/32 | 0% | 2.70 | RR | East Cup 2018 |
7 | 410 |
|
50/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
8 | 641 |
|
15/40 | 0% | 1.80 | RR | Saint Petersburg championship. West cup 2017 |
9 | 209 |
|
35/44 | 0% | 1.90 | RR | Saint Petersburg championship. South cup 2017 |
10 | 14 |
|
71/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |