Ryabov Aleksandr

From Moscow, Russia

Player page

Internal rating (RR)

Rating date July 20, 2023 (latest changes July 20, 2023).

73 place (319.00).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.57) = 13.421155

p1 = (594.59 * 4.05 * 0.86 + 436.78 * 3.75 * 1 + 0 + 0 + 0) / (4.05 * 0.86 + 3.75 * 1 + 1 + 1 + 1) = 362.17861700935947

p2 = (594.59 * 4.05 * 0.86 + 436.78 * 3.75 * 1) / max_coefficients = 275.82722947466146

score = 362.17861700935947 * 0.5 + 275.82722947466146 * 0.5 = 319.00292324201047

Rating changes

Show

all results
Date Place Points Reason
2023-07-20 73 314.05 -> 319.00
2023-07-06 75 -> 73 314.05
2023-06-19 76 -> 75 314.05
2023-06-12 74 -> 76 326.83 -> 314.05

Moscow Riichi 2022: 100% -> 86%
2023-06-11 74 326.83

Money can not buy tenpai: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 437 2023-06-11 50/88 100% 3.75 RR Money can not buy tenpai
2 595 2022-06-12 46/112 86% 4.05 RR Moscow Riichi 2022