Ermolaev Alexey
From Kirov, Russia
EMA: 15990340
Common russian riichi rating (CRR)
Rating date Dec. 6, 2024 (latest changes Dec. 1, 2024).
20 place (658.28).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (478.26 * 2.80 * 0.14 + 356.32 * 3.75 * 0.57 + 66.67 * 1.20 * 0.71 + 616.82 * 4 * 0.71 + 897.20 * 4.60 * 1 + 747.37 * 3.85 * 1 + 608.70 * 2.80 * 1) / (2.80 * 0.14 + 3.75 * 0.57 + 1.20 * 0.71 + 4 * 0.71 + 4.60 * 1 + 3.85 * 1 + 2.80 * 1) = 655.9130142232666
p2 = (897.20 * 4.60 * 1 + 747.37 * 3.85 * 1 + 616.82 * 4 * 0.71 + 608.70 * 2.80 * 1) / max_coefficients = 660.6441640378549
score = 655.9130142232666 * 0.5 + 660.6441640378549 * 0.5 = 658.2785891305607
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-12-01 | 25 -> 20 | 633.09 -> 658.28 |
Riichi never changing: 0% -> 100% |
2024-11-05 | 28 -> 25 | 629.99 -> 633.09 | |
2024-11-03 | 26 -> 28 | 640.35 -> 629.99 |
SPB Riichi Open 2023: 86% -> 71% |
2024-10-26 | 27 -> 26 | 637.20 -> 640.35 |
Riichi or die: 86% -> 71% |
2024-10-22 | 26 -> 27 | 637.20 | |
2024-10-18 | 26 | 635.10 -> 637.20 |
Meeting in the billiard room: 29% -> 14% |
2024-10-13 | 24 -> 26 | 641.56 -> 635.10 | |
2024-10-11 | 26 -> 24 | 643.13 -> 641.56 |
Money can not buy tenpai: 71% -> 57% |
2024-09-06 | 27 -> 26 | 640.89 -> 643.13 |
IX Russian Riichi Championship: 29% -> 14% |
2024-09-03 | 27 | 640.07 -> 640.89 |
SPB Riichi Open 2023: 100% -> 86% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 609 |
|
10/24 | 100% | 2.80 | CRR | Riichi never changing |
2 | 747 |
|
25/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
3 | 897 |
|
12/108 | 100% | 4.60 | RR | X Russian Championship |
4 | 617 |
|
42/108 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
5 | 67 |
|
15/16 | 71% | 1.20 | CRR | Riichi or die |
6 | 356 |
|
57/88 | 57% | 3.75 | RR | Money can not buy tenpai |
7 | 478 |
|
13/24 | 14% | 2.80 | CRR | Meeting in the billiard room |
8 | 507 |
|
38/76 | 0% | 4.20 | RR | IX Russian Riichi Championship |
9 | 333 |
|
11/16 | 0% | 1.20 | CRR | Vyatka rooster |
10 | 909 |
|
6/56 | 0% | 3.30 | RR | Kirov Tournament |
11 | 205 |
|
32/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
12 | 279 |
|
81/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
13 | 556 |
|
29/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
14 | 889 |
|
4/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
15 | 114 |
|
32/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
16 | 843 |
|
14/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
17 | 130 |
|
21/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
18 | 648 |
|
33/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
19 | 304 |
|
17/24 | 0% | 1.40 | RR | Seven ryanmens |
20 | 155 |
|
61/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
21 | 733 |
|
5/16 | 0% | 1.20 | RR | Yakuman in discard |
22 | 28 |
|
70/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
23 | 667 |
|
6/16 | 0% | 1.20 | RR | Crouching Peacock, Hidden Dragon 2017 |
24 | 933 |
|
2/16 | 0% | 1.00 | RR | Third riichi mahjong tournament, Kirov 2017 |
25 | 545 |
|
6/12 | 0% | 0.90 | CRR | Second riichi mahjong tournament, Kirov 2017 |