Petrov Aleksandr

From Kirov, Russia

EMA: 15990461

Player page

Online rating

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

115 place (120.27).

max_coefficients = (2.80 * 1 + 2.30 * 1 + 3.25 * 0.57) = 6.95705

p1 = (902.91 * 3.45 * 0.14 + 170.21 * 2.60 * 0.57 + 0 + 0 + 0) / (3.45 * 0.14 + 2.60 * 0.57 + 1 + 1 + 1) = 140.20079760657768

p2 = (902.91 * 3.45 * 0.14 + 170.21 * 2.60 * 0.57) / max_coefficients = 100.33131859049453

score = 140.20079760657768 * 0.5 + 100.33131859049453 * 0.5 = 120.2660580985361

Rating changes

Show

all results
Date Place Points Reason
2023-04-12 113 -> 115 125.85 -> 120.27

Demons of autumn wind: 71% -> 57%
2023-03-21 123 -> 113 125.85
2023-03-16 114 -> 123 189.89 -> 125.85

Riichi Online Open Team Cup: 29% -> 14%
2023-03-14 114 184.47 -> 189.89
2023-02-20 115 -> 114 184.47
2023-02-15 116 -> 115 184.47
2023-02-12 116 187.64 -> 184.47

Demons of autumn wind: 86% -> 71%
2023-01-21 119 -> 116 187.64
2023-01-16 111 -> 119 243.31 -> 187.64

Riichi Online Open Team Cup: 43% -> 29%
2023-01-14 112 -> 111 236.51 -> 243.31

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 170 2021-12-12 40/48 57% 2.60 ONLINE Demons of autumn wind
2 903 2021-05-16 11/104 14% 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