Astafev Mikhail

From Yekaterinburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 1, 2024 (latest changes May 1, 2024).

47 place (479.21).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001

p1 = (678.16 * 3.75 * 1 + 368.42 * 2.10 * 1 + 252.34 * 4 * 1 + 592.59 * 2.30 * 1 + 629.63 * 2.30 * 1) / (3.75 * 1 + 2.10 * 1 + 4 * 1 + 2.30 * 1 + 2.30 * 1) = 493.92664359861595

p2 = (678.16 * 3.75 * 1 + 629.63 * 2.30 * 1 + 592.59 * 2.30 * 1 + 252.34 * 4 * 1) / max_coefficients = 464.4934306569343

score = 493.92664359861595 * 0.5 + 464.4934306569343 * 0.5 = 479.21003712777514

Rating changes

Show

Date Place Points Reason
2024-03-30 45 -> 47 479.21
2024-03-10 38 -> 45 490.78 -> 479.21
2024-03-06 40 -> 38 480.06 -> 490.78
2024-02-25 56 -> 40 424.71 -> 480.06

Chasing Kan: 0% -> 100%

2024-02-12 58 -> 56 424.71
2024-01-20 59 -> 58 424.71
2024-01-06 60 -> 59 415.93 -> 424.71
2023-12-19 61 -> 60 415.93
2023-12-18 62 -> 61 415.93
2023-12-12 64 -> 62 415.93

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 630 2024-02-25 11/28 100% 2.30 CRR Chasing Kan
2 593 2023-11-05 12/28 100% 2.30 CRR Finding Dora
3 252 2023-09-03 81/108 100% 4.00 RR SPB Riichi Open 2023
4 368 2023-08-27 13/20 100% 2.10 CRR 13 tiles until tempai
5 678 2023-06-11 29/88 100% 3.75 RR Money can not buy tenpai