Ermolaev Alexey
From Kirov, Russia
EMA: 15990340
Internal rating (RR)
Rating date March 6, 2024 (latest changes March 6, 2024).
45 place (428.53).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.57 + 4.05 * 0.29) = 11.306965
p1 = (506.67 * 4.20 * 0.57 + 356.32 * 3.75 * 1 + 616.82 * 4 * 1 + 0 + 0) / (4.20 * 0.57 + 3.75 * 1 + 4 * 1 + 1 + 1) = 413.12671400869806
p2 = (616.82 * 4 * 1 + 356.32 * 3.75 * 1 + 506.67 * 4.20 * 0.57) / max_coefficients = 443.9246075317294
score = 413.12671400869806 * 0.5 + 443.9246075317294 * 0.5 = 428.52566077021373
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-03-06 | 42 -> 45 | 432.31 -> 428.53 |
IX Russian Riichi Championship: 71% -> 57% |
2024-02-12 | 44 -> 42 | 421.95 -> 432.31 | |
2024-01-06 | 40 -> 44 | 425.79 -> 421.95 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 41 -> 40 | 425.79 | |
2023-12-12 | 42 -> 41 | 416.69 -> 425.79 | |
2023-11-20 | 43 -> 42 | 416.69 | |
2023-11-06 | 39 -> 43 | 459.88 -> 416.69 |
Kirov Tournament: 14% -> 0% IX Russian Riichi Championship: 100% -> 86% |
2023-10-12 | 41 -> 39 | 451.19 -> 459.88 | |
2023-09-28 | 42 -> 41 | 451.19 | |
2023-09-06 | 38 -> 42 | 473.00 -> 451.19 |
Kirov Tournament: 29% -> 14% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 617 |
|
42/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 356 |
|
57/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 507 |
|
38/76 | 57% | 4.20 | RR | IX Russian Riichi Championship |
4 | 909 |
|
6/56 | 0% | 3.30 | RR | Kirov Tournament |
5 | 205 |
|
32/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
6 | 279 |
|
81/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
7 | 556 |
|
29/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
8 | 889 |
|
4/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
9 | 114 |
|
32/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
10 | 843 |
|
14/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
11 | 130 |
|
21/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
12 | 648 |
|
33/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
13 | 304 |
|
17/24 | 0% | 1.40 | RR | Seven ryanmens |
14 | 155 |
|
61/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
15 | 733 |
|
5/16 | 0% | 1.20 | RR | Yakuman in discard |
16 | 28 |
|
70/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
17 | 667 |
|
6/16 | 0% | 1.20 | RR | Crouching Peacock, Hidden Dragon 2017 |
18 | 933 |
|
2/16 | 0% | 1.00 | RR | Third riichi mahjong tournament, Kirov 2017 |