Petrov Aleksandr

From Kirov, Russia

EMA: 15990461

Player page

Online rating

Rating date Nov. 10, 2022 (latest changes Nov. 10, 2022).

102 place (307.07).

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

p1 = (384.62 * 2.60 * 0.14 + 902.91 * 3.45 * 0.57 + 170.21 * 2.60 * 1 + 0 + 0) / (2.60 * 0.14 + 3.45 * 0.57 + 2.60 * 1 + 1 + 1) = 340.69340200810325

p2 = (902.91 * 3.45 * 0.57 + 170.21 * 2.60 * 1 + 384.62 * 2.60 * 0.14) / max_coefficients = 273.4554913294798

score = 340.69340200810325 * 0.5 + 273.4554913294798 * 0.5 = 307.07444666879155

Rating changes

Show

all results
Date Place Points Reason
2022-11-10 103 -> 102 307.07
2022-10-20 101 -> 103 316.44 -> 307.07

Demons of winter wind: 29% -> 14%
2022-10-18 102 -> 101 316.44
2022-09-25 103 -> 102 316.44
2022-09-21 104 -> 103 316.44
2022-09-16 91 -> 104 359.86 -> 316.44

Riichi Online Open Team Cup: 71% -> 57%
2022-09-13 93 -> 91 359.86
2022-09-11 91 -> 93 359.86
2022-09-10 92 -> 91 359.86
2022-09-07 94 -> 92 359.86

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 57% 3.45 ONLINE Riichi Online Open Team Cup
3 385 2020-12-20 25/40 14% 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