Petrova Anna

From Nizhny Novgorod, Russia

Player page

Online rating

Rating date Sept. 11, 2022 (latest changes Sept. 11, 2022).

115 place (305.92).

max_coefficients = (3.25 * 1 + 2.80 * 1 + 2.60 * 1) = 8.65

p1 = (538.46 * 2.40 * 0.57 + 194.17 * 3.45 * 0.71 + 459.77 * 3.25 * 1 + 0 + 0) / (2.40 * 0.57 + 3.45 * 0.71 + 3.25 * 1 + 1 + 1) = 298.40094786364716

p2 = (459.77 * 3.25 * 1 + 538.46 * 2.40 * 0.57 + 194.17 * 3.45 * 0.71) / max_coefficients = 313.4312138728324

score = 298.40094786364716 * 0.5 + 313.4312138728324 * 0.5 = 305.91608086823976

Rating changes

Show

all results
Date Place Points Reason
2022-09-11 110 -> 115 305.92
2022-09-10 111 -> 110 305.92
2022-09-07 112 -> 111 305.92
2022-08-20 113 -> 112 305.92
2022-08-18 109 -> 113 320.96 -> 305.92

Spring Online Tournament: 71% -> 57%
2022-08-15 110 -> 109 320.96
2022-07-25 111 -> 110 320.96
2022-07-16 112 -> 111 316.83 -> 320.96

Riichi Online Open Team Cup: 86% -> 71%
2022-07-12 114 -> 112 316.83
2022-07-07 115 -> 114 316.83

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 460 2021-11-14 48/88 100% 3.25 ONLINE Winter Team Fight
2 194 2021-05-16 84/104 71% 3.45 ONLINE Riichi Online Open Team Cup
3 538 2021-04-18 19/40 57% 2.40 ONLINE Spring Online Tournament
4 474 2020-05-24 72/136 0% 3.69 ONLINE Riichi Online Open Team Cup
5 105 2020-02-16 129/144 0% 3.71 ONLINE Riichi Online Open Team Cup 2020
6 0 2019-09-29 20/20 0% 1.90 ONLINE IORMC Qualifiers 2019
7 900 2019-09-01 5/41 0% 2.40 ONLINE Autumn Online Tournament
8 236 2019-07-28 43/56 0% 2.80 ONLINE Summer Online Tournament
9 892 2019-02-17 10/84 0% 3.20 ONLINE Riichi Online Open Team Cup
10 587 2019-01-20 27/64 0% 2.95 ONLINE Winter Online Tournament
11 681 2017-02-25 16/48 0% 2.00 ONLINE Winter riichi-blitz 2017
12 30 2016-11-26 66/68 0% 2.40 ONLINE Autumn riichi-blitz 2016