Ermolaev Andrei
From Sarov, Russia
EMA: 15990413
Internal rating (RR)
Rating date May 20, 2023 (latest changes May 20, 2023).
71 place (295.10).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.45 * 0.57) = 12.72138
p1 = (163.64 * 3.30 * 0.43 + 666.67 * 4.20 * 1 + 0 + 0 + 0) / (3.30 * 0.43 + 4.20 * 1 + 1 + 1 + 1) = 351.9046060192376
p2 = (666.67 * 4.20 * 1 + 163.64 * 3.30 * 0.43) / max_coefficients = 238.2949019681827
score = 351.9046060192376 * 0.5 + 238.2949019681827 * 0.5 = 295.0997539937101
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-05-20 | 73 -> 71 | 290.60 -> 295.10 | |
2023-05-06 | 74 -> 73 | 288.63 -> 290.60 |
Kirov Tournament: 57% -> 43% |
2023-04-19 | 74 | 286.51 -> 288.63 | |
2023-03-28 | 75 -> 74 | 284.40 -> 286.51 | |
2023-03-20 | 75 | 280.42 -> 284.40 | |
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 |
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 | 43% | 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 |