Ermolaev Andrei
From Sarov, Russia
EMA: 15990413
Internal rating (RR)
Rating date March 6, 2023 (latest changes March 6, 2023).
75 place (280.42).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.71) = 14.214335
p1 = (163.64 * 3.30 * 0.57 + 666.67 * 4.20 * 1 + 0 + 0 + 0) / (3.30 * 0.57 + 4.20 * 1 + 1 + 1 + 1) = 342.1406574344954
p2 = (666.67 * 4.20 * 1 + 163.64 * 3.30 * 0.57) / max_coefficients = 218.6919050381182
score = 342.1406574344954 * 0.5 + 218.6919050381182 * 0.5 = 280.41628123630676
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-03-06 | 77 -> 75 | 278.73 -> 280.42 |
Kirov Tournament: 71% -> 57% |
2023-02-19 | 78 -> 77 | 277.23 -> 278.73 | |
2023-01-28 | 78 | 274.97 -> 277.23 | |
2023-01-06 | 78 | 273.61 -> 274.97 |
Kirov Tournament: 86% -> 71% |
2022-12-19 | 78 | 272.54 -> 273.61 | |
2022-11-28 | 78 | 270.01 -> 272.54 | |
2022-11-06 | 87 -> 78 | 255.85 -> 270.01 |
Kirov Tournament: 100% -> 86% IX Russian Riichi Championship: 0% -> 100% |
2021-02-01 | 85 -> 87 | 432.94 -> 255.85 | |
2020-02-01 | 85 | 432.94 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 667 |
|
26/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 164 |
|
47/56 | 57% | 3.30 | RR | Kirov Tournament |
3 | 128 |
|
35/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
4 | 852 |
|
5/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
5 | 590 |
|
35/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
6 | 383 |
|
30/48 | 0% | 3.10 | RR | Agari team tournament 2019 |