Ermolaev Alexey
From Kirov, Russia
EMA: 15990340
Common russian riichi rating (CRR)
Rating date March 28, 2023 (latest changes March 28, 2023).
41 place (450.36).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (909.09 * 3.30 * 0.57 + 506.67 * 4.20 * 1 + 478.26 * 2.80 * 1 + 333.33 * 1.20 * 1 + 0) / (3.30 * 0.57 + 4.20 * 1 + 2.80 * 1 + 1.20 * 1 + 1) = 503.47477182151295
p2 = (506.67 * 4.20 * 1 + 909.09 * 3.30 * 0.57 + 478.26 * 2.80 * 1 + 333.33 * 1.20 * 1) / max_coefficients = 397.25192795652623
score = 503.47477182151295 * 0.5 + 397.25192795652623 * 0.5 = 450.36334988901956
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-03-20 | 41 | 443.54 -> 450.36 | |
2023-03-06 | 38 -> 41 | 466.54 -> 443.54 |
Kirov Tournament: 71% -> 57% |
2023-02-25 | 37 -> 38 | 466.54 | |
2023-01-28 | 38 -> 37 | 464.34 -> 466.54 | |
2023-01-06 | 38 | 486.52 -> 464.34 |
Kirov Tournament: 86% -> 71% |
2022-12-19 | 38 | 484.42 -> 486.52 | |
2022-12-18 | 48 -> 38 | 420.96 -> 484.42 |
Meeting in the billiard room: 0% -> 100% |
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 | 478 |
|
13/24 | 100% | 2.80 | CRR | Meeting in the billiard room |
2 | 507 |
|
38/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 333 |
|
11/16 | 100% | 1.20 | CRR | Vyatka rooster |
4 | 909 |
|
6/56 | 57% | 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 |
19 | 545 |
|
6/12 | 0% | 0.90 | CRR | Second riichi mahjong tournament, Kirov 2017 |