Karpov Alexandr

From Novosibirsk, Russia

EMA: 15020011

Player page

Online rating

Rating date Sept. 11, 2023 (latest changes Sept. 11, 2023).

50 place (261.00).

max_coefficients = (3 * 1 + 2.80 * 0.71 + 2.30 * 0.86) = 6.97137

p1 = (272.73 * 1.70 * 0.14 + 586.21 * 3.25 * 0.29 + 1000 * 2.40 * 0.29 + 0 + 0) / (1.70 * 0.14 + 3.25 * 0.29 + 2.40 * 0.29 + 1 + 1) = 336.0629067948101

p2 = (1000 * 2.40 * 0.29 + 586.21 * 3.25 * 0.29 + 272.73 * 1.70 * 0.14) / max_coefficients = 185.9376277546594

score = 336.0629067948101 * 0.5 + 185.9376277546594 * 0.5 = 261.0002672747347

Rating changes

Show

Date Place Points Reason
2023-09-11 50 256.81 -> 261.00
2023-08-26 51 -> 50 252.20 -> 256.81
2023-08-15 39 -> 51 336.15 -> 252.20

I wish to have dora san...: 14% -> 0%

2023-08-12 35 -> 39 383.68 -> 336.15

Winter Online Tournament: 43% -> 29%

2023-07-26 35 375.28 -> 383.68

IORMC Qualifiers 2021: 29% -> 14%

2023-07-25 37 -> 35 375.28
2023-07-14 33 -> 37 396.82 -> 375.28

Winter Team Fight: 43% -> 29%

2023-07-12 34 -> 33 396.82
2023-07-02 28 -> 34 432.42 -> 396.82
2023-06-26 29 -> 28 421.91 -> 432.42

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 1000 2021-12-12 1/40 29% 2.40 ONLINE Winter Online Tournament
2 586 2021-11-14 37/88 29% 3.25 ONLINE Winter Team Fight
3 273 2021-09-26 9/12 14% 1.70 ONLINE IORMC Qualifiers 2021
4 742 2021-08-15 9/32 0% 2.20 ONLINE I wish to have dora san...
5 932 2021-05-16 8/104 0% 3.45 ONLINE Riichi Online Open Team Cup
6 36 2021-03-21 81/84 0% 3.20 ONLINE No Dora Tournament
7 851 2021-01-10 11/68 0% 3.00 ONLINE Winter Online Tournament
8 414 2020-11-01 59/100 0% 3.40 ONLINE Riichi Online Open Team Cup
9 871 2020-10-11 5/32 0% 2.20 ONLINE 北斗 Tournament
10 137 2020-07-12 45/52 0% 2.70 ONLINE Rainy season tournament[梅雨]
11 690 2020-06-14 23/72 0% 3.05 ONLINE Summer Tournament
12 889 2020-05-24 16/136 0% 3.69 ONLINE Riichi Online Open Team Cup
13 972 2020-05-10 4/108 0% 3.50 ONLINE Spring tournament
14 878 2020-04-26 16/124 0% 3.06 ONLINE Be cool stay home
15 813 2020-04-12 27/140 0% 3.70 ONLINE Corona go away
16 175 2020-02-16 119/144 0% 3.71 ONLINE Riichi Online Open Team Cup 2020
17 1000 2019-09-01 1/41 0% 2.40 ONLINE Autumn Online Tournament
18 509 2019-07-28 28/56 0% 2.80 ONLINE Summer Online Tournament
19 386 2019-02-17 52/84 0% 3.20 ONLINE Riichi Online Open Team Cup
20 451 2018-04-08 29/52 0% 2.70 ONLINE Spring online tournament 2018
21 326 2018-02-10 30/44 0% 2.30 ONLINE Winter online tournament 2018
22 343 2016-11-26 45/68 0% 2.40 ONLINE Autumn riichi-blitz 2016