Ryabov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 11, 2024 (latest changes Aug. 11, 2024).

14 place (691.54).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3

p1 = (347.83 * 2.80 * 0.43 + 352.94 * 3.05 * 1 + 436.78 * 3.75 * 0.71 + 831.78 * 4 * 1 + 363.64 * 2.10 * 1 + 897.44 * 2.90 * 1 + 925.23 * 4.60 * 1 + 387.10 * 1.80 * 1) / (2.80 * 0.43 + 3.05 * 1 + 3.75 * 0.71 + 4 * 1 + 2.10 * 1 + 2.90 * 1 + 4.60 * 1 + 1.80 * 1) = 640.8790836727879

p2 = (925.23 * 4.60 * 1 + 831.78 * 4 * 1 + 897.44 * 2.90 * 1 + 436.78 * 3.75 * 0.71) / max_coefficients = 742.2026143790848

score = 640.8790836727879 * 0.5 + 742.2026143790848 * 0.5 = 691.5408490259364

Rating changes

Show

all results
Date Place Points Reason
2024-08-11 13 -> 14 692.77 -> 691.54

Money can not buy tenpai: 86% -> 71%
2024-08-04 10 -> 13 707.90 -> 692.77
2024-07-14 8 -> 10 707.90
2024-06-18 8 705.42 -> 707.90

Meeting in the billiard room: 57% -> 43%
2024-06-11 11 -> 8 696.89 -> 705.42

Money can not buy tenpai: 100% -> 86%
2024-06-09 10 -> 11 696.89
2024-05-19 7 -> 10 706.41 -> 696.89

"Green Dragon" in the Secret Chamber: 0% -> 100%
2024-05-12 19 -> 7 602.16 -> 706.41

X Russian Championship: 0% -> 100%
2024-04-25 20 -> 19 602.16
2024-04-18 20 599.70 -> 602.16

Meeting in the billiard room: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 387 2024-05-19 20/32 100% 1.80 CRR "Green Dragon" in the Secret Chamber
2 925 2024-05-12 9/108 100% 4.60 RR X Russian Championship
3 353 2024-03-10 34/52 100% 3.05 RR Agari Spring Tournament 2024
4 897 2023-11-26 5/40 100% 2.90 CRR Autumn Agari tournament
5 364 2023-10-22 15/23 100% 2.10 CRR Mushroom League
6 832 2023-09-03 19/108 100% 4.00 RR SPB Riichi Open 2023
7 437 2023-06-11 50/88 71% 3.75 RR Money can not buy tenpai
8 348 2022-12-18 16/24 43% 2.80 CRR Meeting in the billiard room
9 595 2022-06-12 46/112 0% 4.05 RR Moscow Riichi 2022