Petrova Anna

From Nizhny Novgorod, Russia

Player page

Online rating

Rating date Dec. 17, 2022 (latest changes Dec. 17, 2022).

104 place (280.00).

max_coefficients = (2.80 * 1 + 3.25 * 0.86 + 2.30 * 1) = 7.885574999999999

p1 = (538.46 * 2.40 * 0.43 + 194.17 * 3.45 * 0.43 + 459.77 * 3.25 * 0.86 + 0 + 0) / (2.40 * 0.43 + 3.45 * 0.43 + 3.25 * 0.86 + 1 + 1) = 290.93013258813215

p2 = (459.77 * 3.25 * 0.86 + 538.46 * 2.40 * 0.43 + 194.17 * 3.45 * 0.43) / max_coefficients = 269.06344813155664

score = 290.93013258813215 * 0.5 + 269.06344813155664 * 0.5 = 279.9967903598444

Rating changes

Show

all results
Date Place Points Reason
2022-12-13 105 -> 104 280.00
2022-12-12 105 275.07 -> 280.00
2022-11-21 107 -> 105 275.07
2022-11-16 111 -> 107 277.85 -> 275.07

Riichi Online Open Team Cup: 57% -> 43%
2022-11-14 106 -> 111 287.84 -> 277.85

Winter Team Fight: 100% -> 86%
2022-11-07 107 -> 106 287.84
2022-11-01 110 -> 107 287.84
2022-10-20 113 -> 110 287.84
2022-10-18 107 -> 113 303.37 -> 287.84

Spring Online Tournament: 57% -> 43%
2022-10-13 108 -> 107 303.37

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 460 2021-11-14 48/88 86% 3.25 ONLINE Winter Team Fight
2 194 2021-05-16 84/104 43% 3.45 ONLINE Riichi Online Open Team Cup
3 538 2021-04-18 19/40 43% 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