Petrov Aleksandr

From Kirov, Russia

EMA: 15990461

Player page

Online rating

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

93 place (359.86).

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

p1 = (384.62 * 2.60 * 0.29 + 902.91 * 3.45 * 0.71 + 170.21 * 2.60 * 1 + 0 + 0) / (2.60 * 0.29 + 3.45 * 0.71 + 2.60 * 1 + 1 + 1) = 378.2850474980963

p2 = (902.91 * 3.45 * 0.71 + 170.21 * 2.60 * 1 + 384.62 * 2.60 * 0.29) / max_coefficients = 341.42543352601155

score = 378.2850474980963 * 0.5 + 341.42543352601155 * 0.5 = 359.8552405120539

Rating changes

Show

all results
Date Place Points Reason
2022-09-11 91 -> 93 359.86
2022-09-10 92 -> 91 359.86
2022-09-07 94 -> 92 359.86
2022-08-20 94 368.26 -> 359.86

Demons of winter wind: 43% -> 29%
2022-08-18 95 -> 94 368.26
2022-07-16 91 -> 95 400.75 -> 368.26

Riichi Online Open Team Cup: 86% -> 71%
2022-07-13 92 -> 91 400.75
2022-07-01 93 -> 92 400.75
2022-06-26 89 -> 93 405.22 -> 400.75
2022-06-20 90 -> 89 412.84 -> 405.22

Demons of winter wind: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 170 2021-12-12 40/48 100% 2.60 ONLINE Demons of autumn wind
2 903 2021-05-16 11/104 71% 3.45 ONLINE Riichi Online Open Team Cup
3 385 2020-12-20 25/40 29% 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