Astafev Mikhail

From Yekaterinburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 5, 2025 (latest changes Jan. 5, 2025).

132 place (292.54).

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

p1 = (368.42 * 2.10 * 0.57 + 678.16 * 3.75 * 0.43 + 252.34 * 4 * 0.57 + 592.59 * 2.30 * 0.71 + 629.63 * 2.30 * 1 + 333.33 * 1.60 * 1 + 102.80 * 4.60 * 1 + 212.77 * 2.80 * 1 + 202.53 * 3.65 * 1) / (2.10 * 0.57 + 3.75 * 0.43 + 4 * 0.57 + 2.30 * 0.71 + 2.30 * 1 + 1.60 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 316.87777371980036

p2 = (629.63 * 2.30 * 1 + 678.16 * 3.75 * 0.43 + 592.59 * 2.30 * 0.71 + 202.53 * 3.65 * 1) / max_coefficients = 268.19684542586754

score = 316.87777371980036 * 0.5 + 268.19684542586754 * 0.5 = 292.5373095728339

Rating changes

Show

all results
Date Place Points Reason
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%
2024-12-27 129 300.19 -> 299.87

13 tiles until tempai: 71% -> 57%
2024-12-25 130 -> 129 300.19
2024-12-11 127 -> 130 315.74 -> 300.19

Money can not buy tenpai: 57% -> 43%
2024-11-05 127 323.71 -> 315.74

Finding Dora: 100% -> 86%
2024-11-03 128 -> 127 326.75 -> 323.71

SPB Riichi Open 2023: 86% -> 71%
2024-10-27 128 326.99 -> 326.75

13 tiles until tempai: 86% -> 71%
2024-10-13 120 -> 128 330.34 -> 326.99

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 11/28 100% 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 43% 3.75 RR Money can not buy tenpai