Petrov Aleksandr

From Kirov, Russia

EMA: 15990461

Player page

Online rating

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

109 place (123.10).

max_coefficients = (2.80 * 1 + 2.30 * 1 + 2.60 * 0.57) = 6.58564

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

p2 = (902.91 * 3.45 * 0.14 + 170.21 * 2.60 * 0.57) / max_coefficients = 105.98969879920554

score = 140.20079760657768 * 0.5 + 105.98969879920554 * 0.5 = 123.09524820289161

Rating changes

Show

all results
Date Place Points Reason
2023-05-14 112 -> 109 120.27 -> 123.10
2023-04-20 113 -> 112 120.27
2023-04-15 114 -> 113 120.27
2023-04-12 112 -> 114 125.85 -> 120.27

Demons of autumn wind: 71% -> 57%
2023-03-21 122 -> 112 125.85
2023-03-16 113 -> 122 189.89 -> 125.85

Riichi Online Open Team Cup: 29% -> 14%
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%

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