Ermolaev Alexey
From Kirov, Russia
EMA: 15990340
Common russian riichi rating (CRR)
Rating date Sept. 6, 2023 (latest changes Sept. 6, 2023).
45 place (478.30).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (909.09 * 3.30 * 0.14 + 333.33 * 1.20 * 0.71 + 506.67 * 4.20 * 1 + 478.26 * 2.80 * 1 + 356.32 * 3.75 * 1 + 66.67 * 1.20 * 1 + 616.82 * 4 * 1) / (3.30 * 0.14 + 1.20 * 0.71 + 4.20 * 1 + 2.80 * 1 + 3.75 * 1 + 1.20 * 1 + 4 * 1) = 466.7617353821722
p2 = (616.82 * 4 * 1 + 506.67 * 4.20 * 1 + 478.26 * 2.80 * 1 + 356.32 * 3.75 * 1) / max_coefficients = 489.8384178579477
score = 466.7617353821722 * 0.5 + 489.8384178579477 * 0.5 = 478.30007662005994
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-06 | 42 -> 45 | 484.17 -> 478.30 |
Kirov Tournament: 29% -> 14% |
2023-09-03 | 48 -> 42 | 425.94 -> 484.17 |
Vyatka rooster: 86% -> 71% SPB Riichi Open 2023: 0% -> 100% |
2023-08-27 | 47 -> 48 | 425.94 | |
2023-08-26 | 42 -> 47 | 443.40 -> 425.94 |
Riichi or die: 0% -> 100% |
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 |
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 | 100% | 2.80 | CRR | Meeting in the billiard room |
5 | 507 |
|
38/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
6 | 333 |
|
11/16 | 71% | 1.20 | CRR | Vyatka rooster |
7 | 909 |
|
6/56 | 14% | 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 |