Ermolaev Alexey
From Kirov, Russia
EMA: 15990340
Common russian riichi rating (CRR)
Rating date Jan. 6, 2024 (latest changes Jan. 6, 2024).
39 place (463.18).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (478.26 * 2.80 * 0.86 + 333.33 * 1.20 * 0.43 + 506.67 * 4.20 * 0.71 + 356.32 * 3.75 * 1 + 66.67 * 1.20 * 1 + 616.82 * 4 * 1) / (2.80 * 0.86 + 1.20 * 0.43 + 4.20 * 0.71 + 3.75 * 1 + 1.20 * 1 + 4 * 1) = 452.27545804500187
p2 = (616.82 * 4 * 1 + 506.67 * 4.20 * 0.71 + 356.32 * 3.75 * 1 + 478.26 * 2.80 * 0.86) / max_coefficients = 474.08582819416165
score = 452.27545804500187 * 0.5 + 474.08582819416165 * 0.5 = 463.18064311958176
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-01-06 | 39 | 464.92 -> 463.18 |
IX Russian Riichi Championship: 86% -> 71% |
2024-01-03 | 39 | 464.26 -> 464.92 |
Vyatka rooster: 57% -> 43% |
2023-12-18 | 38 -> 39 | 471.29 -> 464.26 |
Meeting in the billiard room: 100% -> 86% |
2023-12-12 | 39 -> 38 | 471.29 | |
2023-11-26 | 39 | 473.01 -> 471.29 | |
2023-11-20 | 42 -> 39 | 473.01 | |
2023-11-06 | 42 | 480.51 -> 473.01 |
Kirov Tournament: 14% -> 0% IX Russian Riichi Championship: 100% -> 86% |
2023-11-05 | 41 -> 42 | 480.51 | |
2023-11-03 | 41 | 479.84 -> 480.51 |
Vyatka rooster: 71% -> 57% |
2023-10-22 | 40 -> 41 | 479.84 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 617 |
|
42/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 67 |
|
15/16 | 100% | 1.20 | CRR | Riichi or die |
3 | 356 |
|
57/88 | 100% | 3.75 | RR | Money can not buy tenpai |
4 | 478 |
|
13/24 | 86% | 2.80 | CRR | Meeting in the billiard room |
5 | 507 |
|
38/76 | 71% | 4.20 | RR | IX Russian Riichi Championship |
6 | 333 |
|
11/16 | 43% | 1.20 | CRR | Vyatka rooster |
7 | 909 |
|
6/56 | 0% | 3.30 | RR | Kirov Tournament |
8 | 205 |
|
32/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
9 | 279 |
|
81/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
10 | 556 |
|
29/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
11 | 889 |
|
4/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
12 | 114 |
|
32/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
13 | 843 |
|
14/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
14 | 130 |
|
21/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
15 | 648 |
|
33/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
16 | 304 |
|
17/24 | 0% | 1.40 | RR | Seven ryanmens |
17 | 155 |
|
61/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
18 | 733 |
|
5/16 | 0% | 1.20 | RR | Yakuman in discard |
19 | 28 |
|
70/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
20 | 667 |
|
6/16 | 0% | 1.20 | RR | Crouching Peacock, Hidden Dragon 2017 |
21 | 933 |
|
2/16 | 0% | 1.00 | RR | Third riichi mahjong tournament, Kirov 2017 |
22 | 545 |
|
6/12 | 0% | 0.90 | CRR | Second riichi mahjong tournament, Kirov 2017 |