Ermolaev Alexey
From Kirov, Russia
EMA: 15990340
Common russian riichi rating (CRR)
Rating date May 6, 2023 (latest changes May 6, 2023).
47 place (426.11).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (478.26 * 2.80 * 1 + 909.09 * 3.30 * 0.43 + 333.33 * 1.20 * 1 + 506.67 * 4.20 * 1 + 0) / (2.80 * 1 + 3.30 * 0.43 + 1.20 * 1 + 4.20 * 1 + 1) = 485.4668854893079
p2 = (506.67 * 4.20 * 1 + 478.26 * 2.80 * 1 + 909.09 * 3.30 * 0.43 + 333.33 * 1.20 * 1) / max_coefficients = 366.7604992224117
score = 485.4668854893079 * 0.5 + 366.7604992224117 * 0.5 = 426.1136923558598
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-05-06 | 43 -> 47 | 450.36 -> 426.11 |
Kirov Tournament: 57% -> 43% |
2023-05-01 | 42 -> 43 | 450.36 | |
2023-04-22 | 41 -> 42 | 450.36 | |
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% |
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 | 43% | 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 |