Petrov Aleksandr

From Kirov, Russia

EMA: 15990461

Player page

Online rating

Rating date March 14, 2023 (latest changes March 14, 2023).

113 place (189.89).

max_coefficients = (2.80 * 1 + 2.30 * 1 + 2.60 * 0.71) = 6.95718

p1 = (170.21 * 2.60 * 0.71 + 902.91 * 3.45 * 0.29 + 0 + 0 + 0) / (2.60 * 0.71 + 3.45 * 0.29 + 1 + 1 + 1) = 206.4217003873969

p2 = (902.91 * 3.45 * 0.29 + 170.21 * 2.60 * 0.71) / max_coefficients = 173.35903340146442

score = 206.4217003873969 * 0.5 + 173.35903340146442 * 0.5 = 189.89036689443066

Rating changes

Show

all results
Date Place Points Reason
2023-03-14 113 184.47 -> 189.89
2023-02-20 114 -> 113 184.47
2023-02-15 115 -> 114 184.47
2023-02-12 115 187.64 -> 184.47

Demons of autumn wind: 86% -> 71%
2023-01-21 118 -> 115 187.64
2023-01-16 110 -> 118 243.31 -> 187.64

Riichi Online Open Team Cup: 43% -> 29%
2023-01-14 111 -> 110 236.51 -> 243.31
2023-01-10 113 -> 111 236.51
2022-12-20 103 -> 113 270.54 -> 236.51

Demons of winter wind: 14% -> 0%
2022-12-18 104 -> 103 270.54

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 170 2021-12-12 40/48 71% 2.60 ONLINE Demons of autumn wind
2 903 2021-05-16 11/104 29% 3.45 ONLINE Riichi Online Open Team Cup
3 385 2020-12-20 25/40 0% 2.60 ONLINE Demons of winter wind
4 363 2020-05-24 87/136 0% 3.69 ONLINE Riichi Online Open Team Cup
5 346 2020-05-10 71/108 0% 3.50 ONLINE Spring tournament
6 49 2020-02-16 137/144 0% 3.71 ONLINE Riichi Online Open Team Cup 2020