Petrov Aleksandr

From Kirov, Russia

EMA: 15990461

Player page

Online rating

Rating date July 1, 2022 (latest changes July 1, 2022).

92 place (400.75).

max_coefficients = (3.25 * 1 + 3.45 * 0.86 + 2.80 * 1) = 9.006995

p1 = (384.62 * 2.60 * 0.43 + 902.91 * 3.45 * 0.86 + 170.21 * 2.60 * 1 + 0 + 0) / (2.60 * 0.43 + 3.45 * 0.86 + 2.60 * 1 + 1 + 1) = 408.36293751091955

p2 = (902.91 * 3.45 * 0.86 + 170.21 * 2.60 * 1 + 384.62 * 2.60 * 0.43) / max_coefficients = 393.14554965335276

score = 408.36293751091955 * 0.5 + 393.14554965335276 * 0.5 = 400.75424358213616

Rating changes

Show

all results
Date Place Points Reason
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%
2022-06-18 91 -> 90 412.84
2022-06-14 92 -> 91 412.84
2022-05-24 86 -> 92 435.24 -> 412.84

Riichi Online Open Team Cup: 14% -> 0%
2022-05-21 86 431.90 -> 435.24
2022-05-16 80 -> 86 456.99 -> 431.90

Riichi Online Open Team Cup: 100% -> 86%
2022-05-13 81 -> 80 456.99
2022-05-10 73 -> 81 481.00 -> 456.99

Spring tournament: 14% -> 0%

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 86% 3.45 ONLINE Riichi Online Open Team Cup
3 385 2020-12-20 25/40 43% 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