Astafev Mikhail

From Yekaterinburg, Russia

Player page

Internal rating (RR)

Rating date Feb. 12, 2024 (latest changes Feb. 12, 2024).

65 place (314.40).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.29) = 11.907145000000002

p1 = (678.16 * 3.75 * 1 + 252.34 * 4 * 1 + 0 + 0 + 0) / (3.75 * 1 + 4 * 1 + 1 + 1 + 1) = 330.46046511627907

p2 = (678.16 * 3.75 * 1 + 252.34 * 4 * 1) / max_coefficients = 298.3460770822896

score = 330.46046511627907 * 0.5 + 298.3460770822896 * 0.5 = 314.4032710992843

Rating changes

Show

all results
Date Place Points Reason
2024-02-12 68 -> 65 307.49 -> 314.40
2024-01-20 70 -> 68 307.49
2024-01-06 70 300.97 -> 307.49
2023-12-19 73 -> 70 300.97
2023-12-12 76 -> 73 295.22 -> 300.97
2023-11-28 82 -> 76 295.22
2023-11-20 83 -> 82 295.22
2023-11-06 89 -> 83 289.75 -> 295.22
2023-10-19 90 -> 89 289.75
2023-10-12 91 -> 90 284.90 -> 289.75

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 252 2023-09-03 81/108 100% 4.00 RR SPB Riichi Open 2023
2 678 2023-06-11 29/88 100% 3.75 RR Money can not buy tenpai