Astafev Mikhail

From Yekaterinburg, Russia

Player page

Internal rating (RR)

Rating date Feb. 8, 2026 (latest changes Feb. 8, 2026).

119 place (358.37).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (102.80 * 4.60 * 0.29 + 212.77 * 2.80 * 0.43 + 202.53 * 3.65 * 0.43 + 354.84 * 2.40 * 1 + 716.42 * 4.10 * 1) / (4.60 * 0.29 + 2.80 * 0.43 + 3.65 * 0.43 + 2.40 * 1 + 4.10 * 1) = 425.0252157875881

p2 = (716.42 * 4.10 * 1 + 354.84 * 2.40 * 1 + 202.53 * 3.65 * 0.43 + 212.77 * 2.80 * 0.43) / max_coefficients = 291.71237458193986

score = 425.0252157875881 * 0.5 + 291.71237458193986 * 0.5 = 358.36879518476394

Rating changes

Show

all results
Date Place Points Reason
2026-02-08 115 -> 119 358.37
2026-02-04 118 -> 115 356.68 -> 358.37

Riichi over Volga: 57% -> 43%
2026-02-02 117 -> 118 356.68
2026-01-25 114 -> 117 356.68
2026-01-14 115 -> 114 356.01 -> 356.68

Guardian of the Winds: 57% -> 43%
2026-01-12 118 -> 115 347.77 -> 356.01

X Russian Championship: 43% -> 29%
2026-01-07 114 -> 118 347.77
2026-01-01 115 -> 114 347.77
2025-12-13 116 -> 115 347.77
2025-12-09 117 -> 116 347.77

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 716 2025-06-15 20/68 100% 4.10 RR 13 bloody tiles Perm
2 355 2025-03-02 21/32 100% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
3 203 2024-08-04 64/80 43% 3.65 RR Riichi over Volga Samara
4 213 2024-07-14 38/48 43% 2.80 RR Guardian of the Winds Yekaterinburg
5 103 2024-05-12 97/108 29% 4.60 RR X Russian Championship Perm
6 252 2023-09-03 81/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
7 678 2023-06-11 29/88 0% 3.75 RR Money can not buy tenpai Perm