Ermolaev Alexey
From Kirov, Russia
EMA: 15990340
Internal rating (RR)
Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).
39 place (459.88).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417
p1 = (909.09 * 3.30 * 0.14 + 506.67 * 4.20 * 1 + 356.32 * 3.75 * 1 + 616.82 * 4 * 1 + 0) / (3.30 * 0.14 + 4.20 * 1 + 3.75 * 1 + 4 * 1 + 1) = 473.8789873315864
p2 = (616.82 * 4 * 1 + 506.67 * 4.20 * 1 + 356.32 * 3.75 * 1 + 909.09 * 3.30 * 0.14) / max_coefficients = 445.88644134218816
score = 473.8789873315864 * 0.5 + 445.88644134218816 * 0.5 = 459.88271433688726
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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% |
2023-09-03 | 58 -> 38 | 366.59 -> 473.00 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-19 | 59 -> 58 | 366.59 | |
2023-08-12 | 61 -> 59 | 359.34 -> 366.59 | |
2023-07-28 | 62 -> 61 | 359.34 | |
2023-07-20 | 63 -> 62 | 353.56 -> 359.34 | |
2023-07-06 | 54 -> 63 | 379.59 -> 353.56 |
Kirov Tournament: 43% -> 29% |
2023-06-19 | 57 -> 54 | 379.59 |
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 | 100% | 4.20 | RR | IX Russian Riichi Championship |
4 | 909 |
|
6/56 | 14% | 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 |