Astafev Mikhail

From Yekaterinburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 15, 2026 (latest changes March 15, 2026).

129 place (367.38).

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

p1 = (333.33 * 1.60 * 0.14 + 102.80 * 4.60 * 0.14 + 212.77 * 2.80 * 0.29 + 202.53 * 3.65 * 0.43 + 354.84 * 2.40 * 0.86 + 716.42 * 4.10 * 1) / (1.60 * 0.14 + 4.60 * 0.14 + 2.80 * 0.29 + 3.65 * 0.43 + 2.40 * 0.86 + 4.10 * 1) = 456.88221043713594

p2 = (716.42 * 4.10 * 1 + 354.84 * 2.40 * 0.86 + 202.53 * 3.65 * 0.43 + 212.77 * 2.80 * 0.29) / max_coefficients = 277.8775919732442

score = 456.88221043713594 * 0.5 + 277.8775919732442 * 0.5 = 367.3799012051901

Rating changes

Show

all results
Date Place Points Reason
2026-03-14 131 -> 129 365.25 -> 367.38

Guardian of the Winds: 43% -> 29%
2026-03-12 137 -> 131 354.45 -> 365.25

X Russian Championship: 29% -> 14%
2026-03-10 138 -> 137 354.45
2026-03-07 137 -> 138 354.45
2026-03-05 137 353.46 -> 354.45

Akademgorodok: Riichi Mahjong Tournament 2024: 29% -> 14%
2026-03-04 138 -> 137 353.46
2026-03-02 137 -> 138 356.47 -> 353.46

Riichi Maslenitsa (shrovetide): 100% -> 86%
2026-03-01 138 -> 137 356.47
2026-02-27 137 -> 138 356.47
2026-02-25 137 359.48 -> 356.47

Chasing Kan: 14% -> 0%

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 86% 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 29% 2.80 RR Guardian of the Winds Yekaterinburg
5 103 2024-05-12 97/108 14% 4.60 RR X Russian Championship Perm
6 333 2024-05-05 11/16 14% 1.60 CRR Akademgorodok: Riichi Mahjong Tournament 2024 Novosibirsk
7 630 2024-02-25 11/28 0% 2.30 CRR Chasing Kan Yekaterinburg
8 593 2023-11-05 12/28 0% 2.30 CRR Finding Dora Yekaterinburg
9 252 2023-09-03 81/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
10 368 2023-08-27 13/20 0% 2.10 CRR 13 tiles until tempai Yekaterinburg
11 678 2023-06-11 29/88 0% 3.75 RR Money can not buy tenpai Perm