Ryabov Aleksandr

From Moscow, Russia

Player page

Internal rating (RR)

Rating date June 9, 2024 (latest changes June 9, 2024).

12 place (667.33).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999

p1 = (594.59 * 4.05 * 0.14 + 436.78 * 3.75 * 1 + 831.78 * 4 * 1 + 925.23 * 4.60 * 1 + 352.94 * 3.05 * 1) / (4.05 * 0.14 + 3.75 * 1 + 4 * 1 + 4.60 * 1 + 3.05 * 1) = 665.9903515576473

p2 = (925.23 * 4.60 * 1 + 831.78 * 4 * 1 + 436.78 * 3.75 * 1 + 352.94 * 3.05 * 1) / max_coefficients = 668.6733766233766

score = 665.9903515576473 * 0.5 + 668.6733766233766 * 0.5 = 667.331864090512

Rating changes

Show

Date Place Points Reason
2024-06-09 9 -> 12 667.33
2024-05-12 25 -> 9 505.43 -> 667.33

X Russian Championship: 0% -> 100%

2024-05-06 28 -> 25 499.81 -> 505.43
2024-04-12 23 -> 28 514.59 -> 499.81

Moscow Riichi 2022: 29% -> 14%

2024-03-30 19 -> 23 514.59
2024-03-20 23 -> 19 514.59
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

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 925 2024-05-12 9/108 100% 4.60 RR X Russian Championship
2 353 2024-03-10 34/52 100% 3.05 RR Agari Spring Tournament 2024
3 832 2023-09-03 19/108 100% 4.00 RR SPB Riichi Open 2023
4 437 2023-06-11 50/88 100% 3.75 RR Money can not buy tenpai
5 595 2022-06-12 46/112 14% 4.05 RR Moscow Riichi 2022