Laptev Alexander

From Kirov, Russia

EMA: 15990462

Player page

Internal rating (RR)

Rating date June 18, 2021 (latest changes June 16, 2021).

98 place (102.14).

max_coefficients = (2.90 * 0.71 + 4.05 * 0.43 + 3.85 * 0.43 + 2.70 * 0.57) = 7.00019

p1 = (444.44 * 2.60 * 0.29 + 153.85 * 2.90 * 0.71 + 0 + 0 + 0) / (2.60 * 0.29 + 2.90 * 0.71 + 1 + 1 + 1) = 111.59230103761594

p2 = (444.44 * 2.60 * 0.29 + 153.85 * 2.90 * 0.71) / max_coefficients = 92.68748419685751

score = 111.59230103761594 * 0.5 + 92.68748419685751 * 0.5 = 102.13989261723673

Rating changes

Show

Date Place Points Reason
2021-06-15 104 -> 98 98.60 -> 102.14
2021-06-02 111 -> 104 98.60
2021-05-26 113 -> 111 96.53 -> 98.60
2021-05-24 114 -> 113 94.95 -> 96.53
2021-05-08 110 -> 114 116.93 -> 94.95

And yet the sinner collects tanyao: 43% -> 29%

Big open chiitoitsu in a small tenpai: 86% -> 71%

2021-05-04 119 -> 110 115.41 -> 116.93
2021-04-15 119 112.44 -> 115.41
2021-04-02 120 -> 119 112.44
2021-03-26 121 -> 120 110.85 -> 112.44
2021-03-24 122 -> 121 109.70 -> 110.85

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 154 2020-03-08 34/40 71% 2.90 EMA Big open chiitoitsu in a small tenpai
2 444 2019-09-08 16/28 29% 2.60 RR And yet the sinner collects tanyao
3 304 2019-03-09 17/24 0% 2.50 RR Toi-Toi-man Tournament
4 632 2019-02-10 8/20 0% 2.10 RR Fuyu Shanten 2019