Astafev Mikhail

From Yekaterinburg, Russia

Player page

Internal rating (RR)

Rating date July 14, 2024 (latest changes July 14, 2024).

101 place (279.56).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001

p1 = (678.16 * 3.75 * 0.86 + 252.34 * 4 * 1 + 102.80 * 4.60 * 1 + 212.77 * 2.80 * 1 + 0) / (3.75 * 0.86 + 4 * 1 + 4.60 * 1 + 2.80 * 1 + 1) = 272.6813061891076

p2 = (678.16 * 3.75 * 0.86 + 252.34 * 4 * 1 + 212.77 * 2.80 * 1 + 102.80 * 4.60 * 1) / max_coefficients = 286.44000235466257

score = 272.6813061891076 * 0.5 + 286.44000235466257 * 0.5 = 279.5606542718851

Rating changes

Show

Date Place Points Reason
2024-07-14 99 -> 101 255.72 -> 279.56

Guardian of the Winds: 0% -> 100%

2024-06-11 102 -> 99 270.95 -> 255.72

Money can not buy tenpai: 100% -> 86%

2024-06-09 92 -> 102 270.95
2024-05-12 68 -> 92 302.92 -> 270.95

X Russian Championship: 0% -> 100%

2024-05-06 69 -> 68 299.79 -> 302.92
2024-04-12 71 -> 69 299.79
2024-03-30 66 -> 71 299.79
2024-03-20 73 -> 66 299.79
2024-03-10 61 -> 73 322.32 -> 299.79
2024-03-06 65 -> 61 314.40 -> 322.32

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 213 2024-07-14 38/48 100% 2.80 RR Guardian of the Winds
2 103 2024-05-12 97/108 100% 4.60 RR X Russian Championship
3 252 2023-09-03 81/108 100% 4.00 RR SPB Riichi Open 2023
4 678 2023-06-11 29/88 86% 3.75 RR Money can not buy tenpai