Ermolaev Alexey
From Kirov, Russia
EMA: 15990340
Internal rating (RR)
Rating date Nov. 21, 2024 (latest changes Nov. 6, 2024).
24 place (630.41).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (356.32 * 3.75 * 0.57 + 616.82 * 4 * 0.71 + 897.20 * 4.60 * 1 + 747.37 * 3.85 * 1 + 0) / (3.75 * 0.57 + 4 * 0.71 + 4.60 * 1 + 3.85 * 1 + 1) = 659.5434586278844
p2 = (897.20 * 4.60 * 1 + 747.37 * 3.85 * 1 + 616.82 * 4 * 0.71 + 356.32 * 3.75 * 0.57) / max_coefficients = 601.2851735015773
score = 659.5434586278844 * 0.5 + 601.2851735015773 * 0.5 = 630.4143160647309
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-11-06 | 23 -> 24 | 650.62 -> 630.41 |
IX Russian Riichi Championship: 14% -> 0% |
| 2024-11-03 | 22 -> 23 | 660.11 -> 650.62 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 18 -> 22 | 666.57 -> 660.11 | |
| 2024-10-11 | 17 -> 18 | 666.70 -> 666.57 |
Money can not buy tenpai: 71% -> 57% |
| 2024-09-06 | 19 -> 17 | 663.31 -> 666.70 |
IX Russian Riichi Championship: 29% -> 14% |
| 2024-09-03 | 19 | 661.68 -> 663.31 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 33 -> 19 | 569.15 -> 661.68 |
SPB Riichi Open 2024: 0% -> 100% |
| 2024-08-11 | 34 -> 33 | 567.73 -> 569.15 |
Money can not buy tenpai: 86% -> 71% |
| 2024-08-04 | 27 -> 34 | 578.63 -> 567.73 | |
| 2024-07-14 | 25 -> 27 | 578.63 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 747 |
|
25/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
| 2 | 897 |
|
12/108 | 100% | 4.60 | RR | X Russian Championship |
| 3 | 617 |
|
42/108 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
| 4 | 356 |
|
57/88 | 57% | 3.75 | RR | Money can not buy tenpai |
| 5 | 507 |
|
38/76 | 0% | 4.20 | RR | IX Russian Riichi Championship |
| 6 | 909 |
|
6/56 | 0% | 3.30 | RR | Kirov Tournament |
| 7 | 205 |
|
32/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
| 8 | 279 |
|
81/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 9 | 556 |
|
29/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
| 10 | 889 |
|
4/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
| 11 | 114 |
|
32/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
| 12 | 843 |
|
14/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
| 13 | 130 |
|
21/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
| 14 | 648 |
|
33/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
| 15 | 304 |
|
17/24 | 0% | 1.40 | RR | Seven ryanmens |
| 16 | 155 |
|
61/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
| 17 | 733 |
|
5/16 | 0% | 1.20 | RR | Yakuman in discard |
| 18 | 28 |
|
70/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
| 19 | 667 |
|
6/16 | 0% | 1.20 | RR | Crouching Peacock, Hidden Dragon 2017 |
| 20 | 933 |
|
2/16 | 0% | 1.00 | RR | Third riichi mahjong tournament, Kirov 2017 |