Ermolaev Alexey
From Kirov, Russia
EMA: 15990340
Common russian riichi rating (CRR)
Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).
42 place (443.40).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999
p1 = (478.26 * 2.80 * 1 + 333.33 * 1.20 * 0.86 + 909.09 * 3.30 * 0.29 + 506.67 * 4.20 * 1 + 356.32 * 3.75 * 1) / (2.80 * 1 + 1.20 * 0.86 + 3.30 * 0.29 + 4.20 * 1 + 3.75 * 1) = 471.90663240400175
p2 = (506.67 * 4.20 * 1 + 478.26 * 2.80 * 1 + 356.32 * 3.75 * 1 + 909.09 * 3.30 * 0.29) / max_coefficients = 414.89960173467335
score = 471.90663240400175 * 0.5 + 414.89960173467335 * 0.5 = 443.40311706933755
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-08-12 | 46 -> 42 | 434.97 -> 443.40 | |
2023-07-28 | 47 -> 46 | 434.97 | |
2023-07-20 | 49 -> 47 | 434.97 | |
2023-07-06 | 40 -> 49 | 457.85 -> 434.97 |
Kirov Tournament: 43% -> 29% |
2023-07-03 | 41 -> 40 | 456.86 -> 457.85 |
Vyatka rooster: 100% -> 86% |
2023-06-19 | 43 -> 41 | 456.86 | |
2023-06-12 | 45 -> 43 | 448.49 -> 456.86 | |
2023-06-11 | 44 -> 45 | 432.88 -> 448.49 |
Money can not buy tenpai: 0% -> 100% |
2023-05-28 | 46 -> 44 | 432.88 | |
2023-05-20 | 47 -> 46 | 426.11 -> 432.88 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 356 |
|
57/88 | 100% | 3.75 | RR | Money can not buy tenpai |
2 | 478 |
|
13/24 | 100% | 2.80 | CRR | Meeting in the billiard room |
3 | 507 |
|
38/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
4 | 333 |
|
11/16 | 86% | 1.20 | CRR | Vyatka rooster |
5 | 909 |
|
6/56 | 29% | 3.30 | RR | Kirov Tournament |
6 | 205 |
|
32/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
7 | 279 |
|
81/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
8 | 556 |
|
29/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
9 | 889 |
|
4/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
10 | 114 |
|
32/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
11 | 843 |
|
14/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
12 | 130 |
|
21/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
13 | 648 |
|
33/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
14 | 304 |
|
17/24 | 0% | 1.40 | RR | Seven ryanmens |
15 | 155 |
|
61/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
16 | 733 |
|
5/16 | 0% | 1.20 | RR | Yakuman in discard |
17 | 28 |
|
70/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
18 | 667 |
|
6/16 | 0% | 1.20 | RR | Crouching Peacock, Hidden Dragon 2017 |
19 | 933 |
|
2/16 | 0% | 1.00 | RR | Third riichi mahjong tournament, Kirov 2017 |
20 | 545 |
|
6/12 | 0% | 0.90 | CRR | Second riichi mahjong tournament, Kirov 2017 |