Astafev Mikhail

From Yekaterinburg, Russia

Player page

Internal rating (RR)

Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).

90 place (289.75).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417

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 = 249.047087913282

score = 330.46046511627907 * 0.5 + 249.047087913282 * 0.5 = 289.75377651478055

Rating changes

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all results
Date Place Points Reason
2023-10-12 91 -> 90 284.90 -> 289.75
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