Ermolaev Andrei
From Sarov, Russia
EMA: 15990413
Common russian riichi rating (CRR)
Rating date Aug. 4, 2024 (latest changes Aug. 4, 2024).
79 place (430.29).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.75 * 0.86) = 15.464125
p1 = (666.67 * 4.20 * 0.29 + 869.57 * 2.80 * 0.43 + 663.55 * 4.60 * 1 + 0 + 0) / (4.20 * 0.29 + 2.80 * 0.43 + 4.60 * 1 + 1 + 1) = 543.9821244841679
p2 = (663.55 * 4.60 * 1 + 869.57 * 2.80 * 0.43 + 666.67 * 4.20 * 0.29) / max_coefficients = 316.59405236313086
score = 543.9821244841679 * 0.5 + 316.59405236313086 * 0.5 = 430.28808842364936
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-08-04 | 70 -> 79 | 436.68 -> 430.29 | |
2024-07-14 | 66 -> 70 | 436.68 | |
2024-07-06 | 62 -> 66 | 453.97 -> 436.68 |
IX Russian Riichi Championship: 43% -> 29% |
2024-06-18 | 61 -> 62 | 472.02 -> 453.97 |
Meeting in the billiard room: 57% -> 43% |
2024-06-11 | 65 -> 61 | 465.42 -> 472.02 | |
2024-06-09 | 64 -> 65 | 465.42 | |
2024-05-19 | 60 -> 64 | 465.42 | |
2024-05-12 | 89 -> 60 | 297.02 -> 465.42 |
X Russian Championship: 0% -> 100% |
2024-05-06 | 86 -> 89 | 322.83 -> 297.02 |
IX Russian Riichi Championship: 57% -> 43% |
2024-04-27 | 87 -> 86 | 322.83 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 664 |
|
37/108 | 100% | 4.60 | RR | X Russian Championship |
2 | 870 |
|
4/24 | 43% | 2.80 | CRR | Meeting in the billiard room |
3 | 667 |
|
26/76 | 29% | 4.20 | RR | IX Russian Riichi Championship |
4 | 164 |
|
47/56 | 0% | 3.30 | RR | Kirov Tournament |
5 | 128 |
|
35/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
6 | 852 |
|
5/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
7 | 590 |
|
35/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
8 | 383 |
|
30/48 | 0% | 3.10 | RR | Agari team tournament 2019 |