Ermolaev Andrei
From Sarov, Russia
EMA: 15990413
Common russian riichi rating (CRR)
Rating date March 6, 2024 (latest changes March 6, 2024).
79 place (353.55).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988
p1 = (869.57 * 2.80 * 0.71 + 666.67 * 4.20 * 0.57 + 0 + 0 + 0) / (2.80 * 0.71 + 4.20 * 0.57 + 1 + 1 + 1) = 451.2332565757468
p2 = (869.57 * 2.80 * 0.71 + 666.67 * 4.20 * 0.57) / max_coefficients = 255.8713183569504
score = 451.2332565757468 * 0.5 + 255.8713183569504 * 0.5 = 353.5522874663486
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-03-06 | 72 -> 79 | 370.66 -> 353.55 |
IX Russian Riichi Championship: 71% -> 57% |
2024-02-27 | 71 -> 72 | 370.66 | |
2024-02-25 | 70 -> 71 | 370.66 | |
2024-02-18 | 67 -> 70 | 392.97 -> 370.66 |
Meeting in the billiard room: 86% -> 71% |
2024-02-12 | 70 -> 67 | 392.97 | |
2024-01-20 | 71 -> 70 | 392.97 | |
2024-01-06 | 61 -> 71 | 406.70 -> 392.97 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 63 -> 61 | 406.70 | |
2023-12-18 | 59 -> 63 | 426.81 -> 406.70 |
Meeting in the billiard room: 100% -> 86% |
2023-11-28 | 63 -> 59 | 426.81 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 870 |
|
4/24 | 71% | 2.80 | CRR | Meeting in the billiard room |
2 | 667 |
|
26/76 | 57% | 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 |