Astafev Mikhail

From Yekaterinburg, Russia

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Common russian riichi rating (CRR)

Rating date Feb. 26, 2025 (latest changes Feb. 26, 2025).

160 place (267.43).

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

p1 = (678.16 * 3.75 * 0.29 + 368.42 * 2.10 * 0.57 + 252.34 * 4 * 0.57 + 592.59 * 2.30 * 0.71 + 629.63 * 2.30 * 0.86 + 333.33 * 1.60 * 1 + 102.80 * 4.60 * 1 + 212.77 * 2.80 * 1 + 202.53 * 3.65 * 1) / (3.75 * 0.29 + 2.10 * 0.57 + 4 * 0.57 + 2.30 * 0.71 + 2.30 * 0.86 + 1.60 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 302.6424832267789

p2 = (629.63 * 2.30 * 0.86 + 592.59 * 2.30 * 0.71 + 202.53 * 3.65 * 1 + 678.16 * 3.75 * 0.29) / max_coefficients = 232.21261829653

score = 302.6424832267789 * 0.5 + 232.21261829653 * 0.5 = 267.42755076165446

Rating changes

Show

all results
Date Place Points Reason
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%
2025-01-04 125 -> 127 300.73
2025-01-03 129 -> 125 299.87 -> 300.73

SPB Riichi Open 2023: 71% -> 57%

Tournaments

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