Ryazanov Aleksandr

From Samara, Russia

EMA: 15990057

Player page

Internal rating (RR)

Rating date May 20, 2025 (latest changes May 12, 2025).

100 place (400.16).

max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266

p1 = (569.62 * 3.65 * 1 + 719.10 * 3.75 * 1 + 23.81 * 2.60 * 1 + 314.29 * 3.50 * 1 + 0) / (3.65 * 1 + 3.75 * 1 + 2.60 * 1 + 3.50 * 1 + 1) = 409.4924137931034

p2 = (719.10 * 3.75 * 1 + 569.62 * 3.65 * 1 + 314.29 * 3.50 * 1 + 23.81 * 2.60 * 1) / max_coefficients = 390.8229368655653

score = 409.4924137931034 * 0.5 + 390.8229368655653 * 0.5 = 400.1576753293343

Rating changes

Show

all results
Date Place Points Reason
2025-05-12 101 -> 100 392.05 -> 400.16
2025-05-03 111 -> 101 354.18 -> 392.05

Riichi over The Volga 2025: 0% -> 100%
2025-04-26 108 -> 111 354.18
2025-04-11 107 -> 108 354.18
2025-03-10 108 -> 107 354.18
2025-03-03 109 -> 108 354.18
2025-03-02 106 -> 109 354.18
2025-02-16 103 -> 106 354.18
2025-02-02 101 -> 103 354.18
2025-01-26 89 -> 101 380.26 -> 354.18

Riichi On Ice: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 314 2025-05-03 49/71 100% 3.50 RR Riichi over The Volga 2025 Samara
2 24 2025-01-26 42/43 100% 2.60 RR Riichi On Ice Samara
3 719 2024-10-13 26/90 100% 3.75 RR Moscow Riichi 2024 Moscow
4 570 2024-08-04 35/80 100% 3.65 RR Riichi over Volga Samara
5 486 2011-04-23 19/36 0% 0.90 EMA Moscow Riichi 2011 Moscow