Ermolaev Andrei
From Sarov, Russia
EMA: 15990413
Common russian riichi rating (CRR)
Rating date June 9, 2024 (latest changes June 9, 2024).
65 place (465.42).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
p1 = (666.67 * 4.20 * 0.43 + 869.57 * 2.80 * 0.57 + 663.55 * 4.60 * 1 + 0 + 0) / (4.20 * 0.43 + 2.80 * 0.57 + 4.60 * 1 + 1 + 1) = 564.3627425490298
p2 = (663.55 * 4.60 * 1 + 869.57 * 2.80 * 0.57 + 666.67 * 4.20 * 0.43) / max_coefficients = 366.4707792207792
score = 564.3627425490298 * 0.5 + 366.4707792207792 * 0.5 = 465.41676088490453
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2024-04-25 | 86 -> 87 | 322.83 | |
| 2024-04-22 | 87 -> 86 | 322.83 | |
| 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 664 |
|
37/108 | 100% | 4.60 | RR | X Russian Championship |
| 2 | 870 |
|
4/24 | 57% | 2.80 | CRR | Meeting in the billiard room |
| 3 | 667 |
|
26/76 | 43% | 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 |