Astafev Mikhail

From Yekaterinburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 3, 2024 (latest changes Nov. 3, 2024).

126 place (323.71).

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

p1 = (678.16 * 3.75 * 0.57 + 368.42 * 2.10 * 0.71 + 252.34 * 4 * 0.71 + 592.59 * 2.30 * 1 + 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) / (3.75 * 0.57 + 2.10 * 0.71 + 4 * 0.71 + 2.30 * 1 + 2.30 * 1 + 1.60 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 331.7505951583959

p2 = (678.16 * 3.75 * 0.57 + 629.63 * 2.30 * 1 + 592.59 * 2.30 * 1 + 202.53 * 3.65 * 1) / max_coefficients = 315.6769716088328

score = 331.7505951583959 * 0.5 + 315.6769716088328 * 0.5 = 323.7137833836143

Rating changes

Show

all results
Date Place Points Reason
2024-11-03 127 -> 126 326.75 -> 323.71

SPB Riichi Open 2023: 86% -> 71%
2024-10-27 127 326.99 -> 326.75

13 tiles until tempai: 86% -> 71%
2024-10-13 119 -> 127 330.34 -> 326.99
2024-10-11 116 -> 119 345.74 -> 330.34

Money can not buy tenpai: 71% -> 57%
2024-09-15 114 -> 116 345.74
2024-09-06 115 -> 114 345.74
2024-09-03 116 -> 115 342.99 -> 345.74

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 102 -> 116 352.15 -> 342.99
2024-08-27 103 -> 102 352.34 -> 352.15

13 tiles until tempai: 100% -> 86%
2024-08-26 106 -> 103 352.34

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 12/28 100% 2.30 CRR Finding Dora
7 252 2023-09-03 81/108 71% 4.00 RR SPB Riichi Open 2023
8 368 2023-08-27 13/20 71% 2.10 CRR 13 tiles until tempai
9 678 2023-06-11 29/88 57% 3.75 RR Money can not buy tenpai