Ermolaev Andrei
From Sarov, Russia
EMA: 15990413
Common russian riichi rating (CRR)
Rating date July 28, 2023 (latest changes July 28, 2023).
38 place (460.47).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (163.64 * 3.30 * 0.29 + 666.67 * 4.20 * 1 + 869.57 * 2.80 * 1 + 0 + 0) / (3.30 * 0.29 + 4.20 * 1 + 2.80 * 1 + 1 + 1) = 542.0057307742983
p2 = (666.67 * 4.20 * 1 + 869.57 * 2.80 * 1 + 163.64 * 3.30 * 0.29) / max_coefficients = 378.9440524060641
score = 542.0057307742983 * 0.5 + 378.9440524060641 * 0.5 = 460.4748915901812
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-07-28 | 40 -> 38 | 460.47 | |
2023-07-06 | 42 -> 40 | 454.62 -> 460.47 |
Kirov Tournament: 43% -> 29% |
2023-07-03 | 43 -> 42 | 454.62 | |
2023-06-19 | 45 -> 43 | 454.62 | |
2023-06-12 | 46 -> 45 | 447.11 -> 454.62 | |
2023-06-11 | 40 -> 46 | 464.14 -> 447.11 | |
2023-05-20 | 40 | 456.97 -> 464.14 | |
2023-05-06 | 42 -> 40 | 451.89 -> 456.97 |
Kirov Tournament: 57% -> 43% |
2023-05-01 | 41 -> 42 | 451.89 | |
2023-04-22 | 40 -> 41 | 451.89 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 870 |
|
4/24 | 100% | 2.80 | CRR | Meeting in the billiard room |
2 | 667 |
|
26/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 164 |
|
47/56 | 29% | 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 |