Ermolaev Alexey
From Kirov, Russia
EMA: 15990340
Internal rating (RR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
49 place (416.34).
how we calculated rating score
max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645
p1 = (130.43 * 2.50 * 0.14 + 843.37 * 4.20 * 0.29 + 114.29 * 3.20 * 0.43 + 888.89 * 2.60 * 0.57 + 555.56 * 3.85 * 0.71 + 279.28 * 4.05 * 0.86 + 205.13 * 2.90 * 1) / (2.50 * 0.14 + 4.20 * 0.29 + 3.20 * 0.43 + 2.60 * 0.57 + 3.85 * 0.71 + 4.05 * 0.86 + 2.90 * 1) = 415.7942797026521
p2 = (555.56 * 3.85 * 0.71 + 888.89 * 2.60 * 0.57 + 843.37 * 4.20 * 0.29 + 279.28 * 4.05 * 0.86) / max_coefficients = 416.88054484666156
score = 415.7942797026521 * 0.5 + 416.88054484666156 * 0.5 = 416.3374122746568
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2021-02-01 | 51 -> 49 | 553.91 -> 416.34 | |
2020-02-01 | 51 | 553.91 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 205 |
|
32/40 | 100% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
2 | 279 |
|
81/112 | 86% | 4.05 | EMA | VIII Russian Riichi Championship |
3 | 556 |
|
29/64 | 71% | 3.85 | EMA | Aki Shanten 2019 |
4 | 889 |
|
4/28 | 57% | 2.60 | RR | And yet the sinner collects tanyao |
5 | 114 |
|
32/36 | 43% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
6 | 843 |
|
14/84 | 29% | 4.20 | EMA | Haru Shanten 2019 |
7 | 130 |
|
21/24 | 14% | 2.50 | RR | Toi-Toi-man Tournament |
8 | 648 |
|
33/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
9 | 304 |
|
17/24 | 0% | 1.40 | RR | Seven ryanmens |
10 | 155 |
|
61/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
11 | 733 |
|
5/16 | 0% | 1.20 | RR | Yakuman in discard |
12 | 28 |
|
70/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
13 | 667 |
|
6/16 | 0% | 1.20 | RR | Crouching Peacock, Hidden Dragon 2017 |
14 | 933 |
|
2/16 | 0% | 1.00 | RR | Third riichi mahjong tournament, Kirov 2017 |