Karpov Alexandr
From Novosibirsk, Russia
EMA: 15020011
Online rating
Rating date May 12, 2023 (latest changes May 12, 2023).
12 place (563.22).
how we calculated rating score
max_coefficients = (2.80 * 1 + 2.30 * 1 + 3.25 * 0.57) = 6.95705
p1 = (932.04 * 3.45 * 0.14 + 741.94 * 2.20 * 0.29 + 272.73 * 1.70 * 0.43 + 586.21 * 3.25 * 0.57 + 1000 * 2.40 * 0.57) / (3.45 * 0.14 + 2.20 * 0.29 + 1.70 * 0.43 + 3.25 * 0.57 + 2.40 * 0.57) = 705.8141309323973
p2 = (1000 * 2.40 * 0.57 + 586.21 * 3.25 * 0.57 + 741.94 * 2.20 * 0.29) / max_coefficients = 420.62655867070094
score = 705.8141309323973 * 0.5 + 420.62655867070094 * 0.5 = 563.2203448015491
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-04-20 | 13 -> 12 | 563.22 | |
2023-04-18 | 14 -> 13 | 563.22 | |
2023-04-15 | 12 -> 14 | 581.04 -> 563.22 |
I wish to have dora san...: 43% -> 29% |
2023-04-12 | 12 | 614.41 -> 581.04 |
Winter Online Tournament: 71% -> 57% |
2023-03-26 | 12 | 605.22 -> 614.41 |
IORMC Qualifiers 2021: 57% -> 43% |
2023-03-25 | 13 -> 12 | 605.22 | |
2023-03-21 | 15 -> 13 | 581.39 -> 605.22 |
No Dora Tournament: 14% -> 0% |
2023-03-16 | 13 -> 15 | 606.83 -> 581.39 |
Riichi Online Open Team Cup: 29% -> 14% |
2023-03-14 | 13 | 605.53 -> 606.83 |
Winter Team Fight: 71% -> 57% |
2023-03-07 | 14 -> 13 | 605.53 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 1000 |
|
1/40 | 57% | 2.40 | ONLINE | Winter Online Tournament |
2 | 586 |
|
37/88 | 57% | 3.25 | ONLINE | Winter Team Fight |
3 | 273 |
|
9/12 | 43% | 1.70 | ONLINE | IORMC Qualifiers 2021 |
4 | 742 |
|
9/32 | 29% | 2.20 | ONLINE | I wish to have dora san... |
5 | 932 |
|
8/104 | 14% | 3.45 | ONLINE | Riichi Online Open Team Cup |
6 | 36 |
|
81/84 | 0% | 3.20 | ONLINE | No Dora Tournament |
7 | 851 |
|
11/68 | 0% | 3.00 | ONLINE | Winter Online Tournament |
8 | 414 |
|
59/100 | 0% | 3.40 | ONLINE | Riichi Online Open Team Cup |
9 | 871 |
|
5/32 | 0% | 2.20 | ONLINE | 北斗 Tournament |
10 | 137 |
|
45/52 | 0% | 2.70 | ONLINE | Rainy season tournament[梅雨] |
11 | 690 |
|
23/72 | 0% | 3.05 | ONLINE | Summer Tournament |
12 | 889 |
|
16/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup |
13 | 972 |
|
4/108 | 0% | 3.50 | ONLINE | Spring tournament |
14 | 878 |
|
16/124 | 0% | 3.06 | ONLINE | Be cool stay home |
15 | 813 |
|
27/140 | 0% | 3.70 | ONLINE | Corona go away |
16 | 175 |
|
119/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |
17 | 1000 |
|
1/41 | 0% | 2.40 | ONLINE | Autumn Online Tournament |
18 | 509 |
|
28/56 | 0% | 2.80 | ONLINE | Summer Online Tournament |
19 | 386 |
|
52/84 | 0% | 3.20 | ONLINE | Riichi Online Open Team Cup |
20 | 451 |
|
29/52 | 0% | 2.70 | ONLINE | Spring online tournament 2018 |
21 | 326 |
|
30/44 | 0% | 2.30 | ONLINE | Winter online tournament 2018 |
22 | 343 |
|
45/68 | 0% | 2.40 | ONLINE | Autumn riichi-blitz 2016 |