Ryabov Aleksandr

From Moscow, Russia

Player page

Internal rating (RR)

Rating date March 10, 2024 (latest changes March 10, 2024).

23 place (514.59).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988

p1 = (594.59 * 4.05 * 0.29 + 436.78 * 3.75 * 1 + 831.78 * 4 * 1 + 352.94 * 3.05 * 1 + 0) / (4.05 * 0.29 + 3.75 * 1 + 4 * 1 + 3.05 * 1 + 1) = 519.3683610163861

p2 = (831.78 * 4 * 1 + 436.78 * 3.75 * 1 + 352.94 * 3.05 * 1 + 594.59 * 4.05 * 0.29) / max_coefficients = 509.8152407446128

score = 519.3683610163861 * 0.5 + 509.8152407446128 * 0.5 = 514.5918008804995

Rating changes

Show

Date Place Points Reason
2024-03-10 22 -> 23 509.12 -> 514.59

Agari Spring Tournament 2024: 0% -> 100%

2024-03-06 26 -> 22 496.52 -> 509.12
2024-02-12 25 -> 26 501.22 -> 496.52

Moscow Riichi 2022: 43% -> 29%

2024-01-20 24 -> 25 501.22
2024-01-06 27 -> 24 490.22 -> 501.22
2023-12-19 28 -> 27 490.22
2023-12-12 26 -> 28 494.84 -> 490.22

Moscow Riichi 2022: 57% -> 43%

2023-11-28 27 -> 26 494.84
2023-11-20 28 -> 27 494.84
2023-11-06 32 -> 28 485.07 -> 494.84

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 353 2024-03-10 34/52 100% 3.05 RR Agari Spring Tournament 2024
2 832 2023-09-03 19/108 100% 4.00 RR SPB Riichi Open 2023
3 437 2023-06-11 50/88 100% 3.75 RR Money can not buy tenpai
4 595 2022-06-12 46/112 29% 4.05 RR Moscow Riichi 2022