Ermolaev Andrei
From Sarov, Russia
EMA: 15990413
Common russian riichi rating (CRR)
Rating date Dec. 3, 2022 (latest changes Dec. 3, 2022).
86 place (272.54).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 1) = 14.85
p1 = (163.64 * 3.30 * 0.86 + 666.67 * 4.20 * 1 + 0 + 0 + 0) / (3.30 * 0.86 + 4.20 * 1 + 1 + 1 + 1) = 325.3580071855714
p2 = (666.67 * 4.20 * 1 + 163.64 * 3.30 * 0.86) / max_coefficients = 219.71919191919193
score = 325.3580071855714 * 0.5 + 219.71919191919193 * 0.5 = 272.5385995523817
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-12-03 | 98 -> 86 | 255.85 -> 272.54 | |
2021-02-01 | 96 -> 98 | 432.94 -> 255.85 | |
2020-02-01 | 96 | 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 | 86% | 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 |