Ryazanov Aleksandr

From Samara, Russia

EMA: 15990057

Player page

Internal rating (RR)

Rating date Nov. 6, 2024 (latest changes Nov. 6, 2024).

90 place (380.26).

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

p1 = (569.62 * 3.65 * 1 + 719.10 * 3.75 * 1 + 0 + 0 + 0) / (3.65 * 1 + 3.75 * 1 + 1 + 1 + 1) = 459.2057692307692

p2 = (719.10 * 3.75 * 1 + 569.62 * 3.65 * 1) / max_coefficients = 301.30851735015773

score = 459.2057692307692 * 0.5 + 301.30851735015773 * 0.5 = 380.25714329046343

Rating changes

Show

Date Place Points Reason
2024-11-06 94 -> 90 380.26
2024-10-13 94 380.26

Moscow Riichi 2024: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 719 2024-10-13 26/90 100% 3.75 RR Moscow Riichi 2024
2 570 2024-08-04 35/80 100% 3.65 RR Riichi over Volga
3 486 2011-04-23 19/36 0% 0.90 EMA Moscow Riichi 2011