Ryabov Aleksandr

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Nov. 3, 2024 (latest changes Nov. 3, 2024).

21 place (657.75).

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

p1 = (436.78 * 3.75 * 0.57 + 831.78 * 4 * 0.71 + 352.94 * 3.05 * 1 + 925.23 * 4.60 * 1 + 221.05 * 3.85 * 1 + 853.93 * 3.75 * 1) / (3.75 * 0.57 + 4 * 0.71 + 3.05 * 1 + 4.60 * 1 + 3.85 * 1 + 3.75 * 1) = 627.0780915508434

p2 = (925.23 * 4.60 * 1 + 853.93 * 3.75 * 1 + 831.78 * 4 * 0.71 + 352.94 * 3.05 * 1) / max_coefficients = 688.4126182965299

score = 627.0780915508434 * 0.5 + 688.4126182965299 * 0.5 = 657.7453549236866

Rating changes

Show

all results
Date Place Points Reason
2024-11-03 19 -> 21 675.54 -> 657.75

SPB Riichi Open 2023: 86% -> 71%
2024-10-13 32 -> 19 585.71 -> 675.54

Moscow Riichi 2024: 0% -> 100%
2024-10-11 32 591.00 -> 585.71

Money can not buy tenpai: 71% -> 57%
2024-09-03 29 -> 32 599.04 -> 591.00

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 19 -> 29 641.86 -> 599.04

SPB Riichi Open 2024: 0% -> 100%
2024-08-11 20 -> 19 642.56 -> 641.86

Money can not buy tenpai: 86% -> 71%
2024-08-04 14 -> 20 655.69 -> 642.56
2024-07-14 12 -> 14 655.69
2024-06-11 12 667.33 -> 655.69

Money can not buy tenpai: 100% -> 86%
2024-06-09 9 -> 12 667.33

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 854 2024-10-13 14/90 100% 3.75 RR Moscow Riichi 2024 Moscow
2 221 2024-09-01 75/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
3 925 2024-05-12 9/108 100% 4.60 RR X Russian Championship Perm
4 353 2024-03-10 34/52 100% 3.05 RR Agari Spring Tournament 2024 Moscow
5 832 2023-09-03 19/108 71% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
6 437 2023-06-11 50/88 57% 3.75 RR Money can not buy tenpai Perm
7 595 2022-06-12 46/112 0% 4.05 RR Moscow Riichi 2022 Moscow