Ermolaev Alexey
From Kirov, Russia
EMA: 15990340
Common russian riichi rating (CRR)
Rating date Dec. 11, 2022 (latest changes Dec. 11, 2022).
48 place (420.96).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 1) = 14.85
p1 = (333.33 * 1.20 * 1 + 909.09 * 3.30 * 0.86 + 506.67 * 4.20 * 1 + 0 + 0) / (1.20 * 1 + 3.30 * 0.86 + 4.20 * 1 + 1 + 1) = 498.54180944680667
p2 = (909.09 * 3.30 * 0.86 + 506.67 * 4.20 * 1 + 333.33 * 1.20 * 1) / max_coefficients = 343.3872053872054
score = 498.54180944680667 * 0.5 + 343.3872053872054 * 0.5 = 420.9645074170061
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-12-03 | 52 -> 48 | 416.34 -> 420.96 | |
2021-02-01 | 56 -> 52 | 553.91 -> 416.34 | |
2020-02-01 | 56 | 553.91 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 507 |
|
38/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 333 |
|
11/16 | 100% | 1.20 | CRR | Vyatka rooster |
3 | 909 |
|
6/56 | 86% | 3.30 | RR | Kirov Tournament |
4 | 205 |
|
32/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
5 | 279 |
|
81/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
6 | 556 |
|
29/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
7 | 889 |
|
4/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
8 | 114 |
|
32/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
9 | 843 |
|
14/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
10 | 130 |
|
21/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
11 | 648 |
|
33/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
12 | 304 |
|
17/24 | 0% | 1.40 | RR | Seven ryanmens |
13 | 155 |
|
61/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
14 | 733 |
|
5/16 | 0% | 1.20 | RR | Yakuman in discard |
15 | 28 |
|
70/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
16 | 667 |
|
6/16 | 0% | 1.20 | RR | Crouching Peacock, Hidden Dragon 2017 |
17 | 933 |
|
2/16 | 0% | 1.00 | RR | Third riichi mahjong tournament, Kirov 2017 |
18 | 545 |
|
6/12 | 0% | 0.90 | CRR | Second riichi mahjong tournament, Kirov 2017 |