Petrov Aleksandr

From Kirov, Russia

EMA: 15990461

Player page

Internal rating (RR)

Rating date June 10, 2023 (latest changes May 30, 2023).

131 place (138.81).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139

p1 = (435.90 * 2.90 * 0.43 + 381.82 * 3.30 * 0.43 + 0 + 0 + 0) / (2.90 * 0.43 + 3.30 * 0.43 + 1 + 1 + 1) = 191.2265878543197

p2 = (435.90 * 2.90 * 0.43 + 381.82 * 3.30 * 0.43) / max_coefficients = 86.39855479303814

score = 191.2265878543197 * 0.5 + 86.39855479303814 * 0.5 = 138.81257132367892

Rating changes

Show

all results
Date Place Points Reason
2023-05-30 137 -> 131 138.81
2023-05-28 139 -> 137 138.13 -> 138.81
2023-05-20 139 136.53 -> 138.13
2023-05-06 138 -> 139 150.66 -> 136.53

Kirov Tournament: 57% -> 43%
2023-04-30 124 -> 138 201.73 -> 150.66

And yet the sinner collects tanyao: 14% -> 0%

Big open chiitoitsu in a small tenpai: 57% -> 43%
2023-04-19 126 -> 124 200.61 -> 201.73
2023-03-30 130 -> 126 200.61
2023-03-28 131 -> 130 199.49 -> 200.61
2023-03-20 132 -> 131 197.38 -> 199.49
2023-03-06 131 -> 132 207.52 -> 197.38

Kirov Tournament: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 382 2021-11-06 35/56 43% 3.30 RR Kirov Tournament
2 436 2020-03-08 23/40 43% 2.90 EMA Big open chiitoitsu in a small tenpai
3 556 2019-09-08 13/28 0% 2.60 RR And yet the sinner collects tanyao
4 739 2019-03-09 7/24 0% 2.50 RR Toi-Toi-man Tournament