Petrov Aleksandr

From Kirov, Russia

EMA: 15990461

Player page

Online rating

Rating date Feb. 13, 2023 (latest changes Feb. 13, 2023).

115 place (184.47).

max_coefficients = (2.80 * 1 + 3.25 * 0.71 + 2.30 * 1) = 7.421475

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

p2 = (902.91 * 3.45 * 0.29 + 170.21 * 2.60 * 0.71) / max_coefficients = 162.5135165179429

score = 206.4217003873969 * 0.5 + 162.5135165179429 * 0.5 = 184.46760845266988

Rating changes

Show

all results
Date Place Points Reason
2023-02-12 115 187.64 -> 184.47

Demons of autumn wind: 86% -> 71%
2023-01-23 169 -> 115 288.56 -> 187.64
2021-02-01 169 288.56

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