Ermolaev Andrei
From Sarov, Russia
EMA: 15990413
Common russian riichi rating (CRR)
Rating date April 20, 2024 (latest changes April 20, 2024).
87 place (322.83).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (666.67 * 4.20 * 0.57 + 869.57 * 2.80 * 0.57 + 0 + 0 + 0) / (4.20 * 0.57 + 2.80 * 0.57 + 1 + 1 + 1) = 427.31935198148517
p2 = (666.67 * 4.20 * 0.57 + 869.57 * 2.80 * 0.57) / max_coefficients = 218.33211678832114
score = 427.31935198148517 * 0.5 + 218.33211678832114 * 0.5 = 322.82573438490317
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-04-18 | 82 -> 87 | 347.48 -> 322.83 |
Meeting in the billiard room: 71% -> 57% |
2024-04-12 | 83 -> 82 | 347.48 | |
2024-03-30 | 80 -> 83 | 347.48 | |
2024-03-20 | 84 -> 80 | 347.48 | |
2024-03-10 | 79 -> 84 | 353.55 -> 347.48 | |
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 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 870 |
|
4/24 | 57% | 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 |