Ermolaev Andrei
From Sarov, Russia
EMA: 15990413
Internal rating (RR)
Rating date Oct. 13, 2024 (latest changes Oct. 13, 2024).
110 place (319.42).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (666.67 * 4.20 * 0.14 + 663.55 * 4.60 * 1 + 0 + 0 + 0) / (4.20 * 0.14 + 4.60 * 1 + 1 + 1 + 1) = 421.0224653605165
p2 = (663.55 * 4.60 * 1 + 666.67 * 4.20 * 0.14) / max_coefficients = 217.82082018927446
score = 421.0224653605165 * 0.5 + 217.82082018927446 * 0.5 = 319.4216427748955
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-10-13 | 103 -> 110 | 321.68 -> 319.42 | |
2024-10-11 | 105 -> 103 | 321.68 | |
2024-09-06 | 100 -> 105 | 342.92 -> 321.68 |
IX Russian Riichi Championship: 29% -> 14% |
2024-09-03 | 101 -> 100 | 338.52 -> 342.92 | |
2024-09-01 | 87 -> 101 | 344.77 -> 338.52 | |
2024-08-11 | 89 -> 87 | 343.44 -> 344.77 | |
2024-08-04 | 82 -> 89 | 348.47 -> 343.44 | |
2024-07-14 | 76 -> 82 | 348.47 | |
2024-07-06 | 70 -> 76 | 369.23 -> 348.47 |
IX Russian Riichi Championship: 43% -> 29% |
2024-06-11 | 77 -> 70 | 364.26 -> 369.23 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 664 |
|
37/108 | 100% | 4.60 | RR | X Russian Championship |
2 | 667 |
|
26/76 | 14% | 4.20 | RR | IX Russian Riichi Championship |
3 | 164 |
|
47/56 | 0% | 3.30 | RR | Kirov Tournament |
4 | 128 |
|
35/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
5 | 852 |
|
5/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
6 | 590 |
|
35/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
7 | 383 |
|
30/48 | 0% | 3.10 | RR | Agari team tournament 2019 |