Astafev Mikhail

From Yekaterinburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 2, 2025 (latest changes March 2, 2025).

147 place (299.34).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (368.42 * 2.10 * 0.43 + 678.16 * 3.75 * 0.29 + 252.34 * 4 * 0.57 + 592.59 * 2.30 * 0.71 + 629.63 * 2.30 * 0.86 + 333.33 * 1.60 * 1 + 212.77 * 2.80 * 1 + 202.53 * 3.65 * 1 + 354.84 * 2.40 * 1) / (2.10 * 0.43 + 3.75 * 0.29 + 4 * 0.57 + 2.30 * 0.71 + 2.30 * 0.86 + 1.60 * 1 + 2.80 * 1 + 3.65 * 1 + 2.40 * 1) = 358.5775101105246

p2 = (629.63 * 2.30 * 0.86 + 592.59 * 2.30 * 0.71 + 354.84 * 2.40 * 1 + 202.53 * 3.65 * 1) / max_coefficients = 240.10220820189275

score = 358.5775101105246 * 0.5 + 240.10220820189275 * 0.5 = 299.33985915620866

Rating changes

Show

all results
Date Place Points Reason
2025-03-02 160 -> 147 266.95 -> 299.34

Riichi Maslenitsa (shrovetide): 0% -> 100%
2025-02-27 160 267.43 -> 266.95

13 tiles until tempai: 57% -> 43%
2025-02-25 156 -> 160 276.50 -> 267.43

Chasing Kan: 100% -> 86%
2025-02-22 159 -> 156 276.50
2025-02-16 150 -> 159 276.50
2025-02-11 144 -> 150 292.54 -> 276.50

Money can not buy tenpai: 43% -> 29%
2025-02-02 139 -> 144 292.54
2025-01-26 135 -> 139 292.54
2025-01-07 132 -> 135 292.54
2025-01-05 127 -> 132 300.73 -> 292.54

Finding Dora: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 355 2025-03-02 21/32 100% 2.40 RR Riichi Maslenitsa (shrovetide)
2 203 2024-08-04 64/80 100% 3.65 RR Riichi over Volga
3 213 2024-07-14 38/48 100% 2.80 RR Guardian of the Winds
4 103 2024-05-12 97/108 100% 4.60 RR X Russian Championship
5 333 2024-05-05 11/16 100% 1.60 CRR Akademgorodok: Riichi Mahjong Tournament 2024
6 630 2024-02-25 11/28 86% 2.30 CRR Chasing Kan
7 593 2023-11-05 12/28 71% 2.30 CRR Finding Dora
8 252 2023-09-03 81/108 57% 4.00 RR SPB Riichi Open 2023
9 368 2023-08-27 13/20 43% 2.10 CRR 13 tiles until tempai
10 678 2023-06-11 29/88 29% 3.75 RR Money can not buy tenpai