Astafev Mikhail

From Yekaterinburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 5, 2023 (latest changes Nov. 5, 2023).

63 place (409.17).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75

p1 = (678.16 * 3.75 * 1 + 368.42 * 2.10 * 1 + 252.34 * 4 * 1 + 592.59 * 2.30 * 1 + 0) / (3.75 * 1 + 2.10 * 1 + 4 * 1 + 2.30 * 1 + 1) = 432.63041825095064

p2 = (678.16 * 3.75 * 1 + 592.59 * 2.30 * 1 + 252.34 * 4 * 1 + 368.42 * 2.10 * 1) / max_coefficients = 385.7010169491526

score = 432.63041825095064 * 0.5 + 385.7010169491526 * 0.5 = 409.1657176000516

Rating changes

Show

all results
Date Place Points Reason
2023-11-05 98 -> 63 329.19 -> 409.17

Finding Dora: 0% -> 100%
2023-10-27 99 -> 98 329.19
2023-10-22 96 -> 99 329.19
2023-10-19 98 -> 96 329.19
2023-10-12 99 -> 98 328.27 -> 329.19
2023-09-28 100 -> 99 328.27
2023-09-20 101 -> 100 328.27
2023-09-09 102 -> 101 328.27
2023-09-03 92 -> 102 308.95 -> 328.27

SPB Riichi Open 2023: 0% -> 100%
2023-08-27 92 308.95

13 tiles until tempai: 0% -> 100%

Tournaments

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