Astafev Mikhail

From Yekaterinburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 9, 2024 (latest changes June 9, 2024).

84 place (403.79).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999

p1 = (368.42 * 2.10 * 1 + 629.63 * 2.30 * 1 + 678.16 * 3.75 * 1 + 252.34 * 4 * 1 + 592.59 * 2.30 * 1 + 333.33 * 1.60 * 1 + 102.80 * 4.60 * 1) / (2.10 * 1 + 2.30 * 1 + 3.75 * 1 + 4 * 1 + 2.30 * 1 + 1.60 * 1 + 4.60 * 1) = 394.35690072639227

p2 = (678.16 * 3.75 * 1 + 629.63 * 2.30 * 1 + 592.59 * 2.30 * 1 + 252.34 * 4 * 1) / max_coefficients = 413.2181818181819

score = 394.35690072639227 * 0.5 + 413.2181818181819 * 0.5 = 403.78754127228706

Rating changes

Show

Date Place Points Reason
2024-06-09 80 -> 84 403.79
2024-05-19 78 -> 80 403.79
2024-05-12 47 -> 78 471.21 -> 403.79

X Russian Championship: 0% -> 100%

2024-05-06 48 -> 47 471.21
2024-05-05 47 -> 48 479.21 -> 471.21

Akademgorodok: Riichi Mahjong Tournament 2024: 0% -> 100%

2024-03-30 45 -> 47 479.21
2024-03-10 38 -> 45 490.78 -> 479.21
2024-03-06 40 -> 38 480.06 -> 490.78
2024-02-25 56 -> 40 424.71 -> 480.06

Chasing Kan: 0% -> 100%

2024-02-12 58 -> 56 424.71

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 103 2024-05-12 97/108 100% 4.60 RR X Russian Championship
2 333 2024-05-05 11/16 100% 1.60 CRR Akademgorodok: Riichi Mahjong Tournament 2024
3 630 2024-02-25 11/28 100% 2.30 CRR Chasing Kan
4 593 2023-11-05 12/28 100% 2.30 CRR Finding Dora
5 252 2023-09-03 81/108 100% 4.00 RR SPB Riichi Open 2023
6 368 2023-08-27 13/20 100% 2.10 CRR 13 tiles until tempai
7 678 2023-06-11 29/88 100% 3.75 RR Money can not buy tenpai