Astafev Mikhail

From Yekaterinburg, Russia

Player page

Internal rating (RR)

Rating date Sept. 28, 2023 (latest changes Sept. 28, 2023).

91 place (284.90).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

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 = 239.33641067135397

score = 330.46046511627907 * 0.5 + 239.33641067135397 * 0.5 = 284.89843789381655

Rating changes

Show

Date Place Points Reason
2023-09-28 92 -> 91 284.90
2023-09-20 93 -> 92 284.90
2023-09-03 93 284.90

SPB Riichi Open 2023: 0% -> 100%

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