Ermolaev Alexey
From Kirov, Russia
EMA: 15990340
Common russian riichi rating (CRR)
Rating date May 9, 2024 (latest changes May 9, 2024).
62 place (424.36).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (333.33 * 1.20 * 0.14 + 506.67 * 4.20 * 0.43 + 478.26 * 2.80 * 0.57 + 356.32 * 3.75 * 1 + 66.67 * 1.20 * 1 + 616.82 * 4 * 1) / (1.20 * 0.14 + 4.20 * 0.43 + 2.80 * 0.57 + 3.75 * 1 + 1.20 * 1 + 4 * 1) = 448.6595876538951
p2 = (616.82 * 4 * 1 + 356.32 * 3.75 * 1 + 506.67 * 4.20 * 0.43 + 478.26 * 2.80 * 0.57) / max_coefficients = 400.0540145985401
score = 448.6595876538951 * 0.5 + 400.0540145985401 * 0.5 = 424.3568011262176
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-05-06 | 61 -> 62 | 436.77 -> 424.36 |
IX Russian Riichi Championship: 57% -> 43% |
2024-05-05 | 60 -> 61 | 436.77 | |
2024-05-03 | 61 -> 60 | 436.01 -> 436.77 |
Vyatka rooster: 29% -> 14% |
2024-04-27 | 59 -> 61 | 436.01 | |
2024-04-25 | 61 -> 59 | 436.01 | |
2024-04-18 | 60 -> 61 | 443.41 -> 436.01 |
Meeting in the billiard room: 71% -> 57% |
2024-03-30 | 56 -> 60 | 443.41 | |
2024-03-20 | 57 -> 56 | 443.41 | |
2024-03-10 | 48 -> 57 | 454.28 -> 443.41 | |
2024-03-06 | 43 -> 48 | 456.53 -> 454.28 |
IX Russian Riichi Championship: 71% -> 57% |
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 | 57% | 2.80 | CRR | Meeting in the billiard room |
5 | 507 |
|
38/76 | 43% | 4.20 | RR | IX Russian Riichi Championship |
6 | 333 |
|
11/16 | 14% | 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 |