Petrova Anna

From Nizhny Novgorod, Russia

Player page

Online rating

Rating date Sept. 21, 2024 (latest changes Sept. 21, 2024).

34 place (256.60).

max_coefficients = (3.70 * 1 + 2.40 * 1 + 2.95 * 0.71) = 8.207184999999999

p1 = (343.75 * 2.95 * 0.71 + 536.59 * 2.40 * 1 + 0 + 0 + 0) / (2.95 * 0.71 + 2.40 * 1 + 1 + 1 + 1) = 268.02856197096514

p2 = (536.59 * 2.40 * 1 + 343.75 * 2.95 * 0.71) / max_coefficients = 245.16810575124114

score = 268.02856197096514 * 0.5 + 245.16810575124114 * 0.5 = 256.59833386110313

Rating changes

Show

all results
Date Place Points Reason
2024-09-21 32 -> 34 256.60
2024-09-10 36 -> 32 256.60
2024-09-02 36 261.02 -> 256.60

Double Tournament with Naga: 86% -> 71%
2024-07-21 158 -> 36 329.24 -> 261.02
2021-02-01 14 -> 158 660.02 -> 329.24
2020-02-01 14 660.02

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 537 2024-03-02 20/42 100% 2.40 ONLINE Spring online tournament 2024 Russia
2 344 2023-07-02 43/65 71% 2.95 ONLINE Double Tournament with Naga Russia
3 460 2021-11-14 48/88 0% 3.25 ONLINE Winter Team Fight Russia
4 194 2021-05-16 84/104 0% 3.45 ONLINE Riichi Online Open Team Cup Russia
5 538 2021-04-18 19/40 0% 2.40 ONLINE Spring Online Tournament Russia
6 474 2020-05-24 72/136 0% 3.69 ONLINE Riichi Online Open Team Cup Russia
7 105 2020-02-16 129/144 0% 3.71 ONLINE Riichi Online Open Team Cup 2020 Russia
8 0 2019-09-29 20/20 0% 1.90 ONLINE IORMC Qualifiers 2019 Russia
9 900 2019-09-01 5/41 0% 2.40 ONLINE Autumn Online Tournament Russia
10 236 2019-07-28 43/56 0% 2.80 ONLINE Summer Online Tournament Russia
11 892 2019-02-17 10/84 0% 3.20 ONLINE Riichi Online Open Team Cup Russia
12 587 2019-01-20 27/64 0% 2.95 ONLINE Winter Online Tournament Russia
13 681 2017-02-25 16/48 0% 2.00 ONLINE Winter riichi-blitz 2017 Russia
14 30 2016-11-26 66/68 0% 2.40 ONLINE Autumn riichi-blitz 2016 Russia