Ryabov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date April 12, 2024 (latest changes April 12, 2024).

20 place (599.70).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001

p1 = (347.83 * 2.80 * 0.71 + 594.59 * 4.05 * 0.14 + 436.78 * 3.75 * 1 + 831.78 * 4 * 1 + 363.64 * 2.10 * 1 + 897.44 * 2.90 * 1 + 352.94 * 3.05 * 1) / (2.80 * 0.71 + 4.05 * 0.14 + 3.75 * 1 + 4 * 1 + 2.10 * 1 + 2.90 * 1 + 3.05 * 1) = 568.4537906069417

p2 = (831.78 * 4 * 1 + 897.44 * 2.90 * 1 + 436.78 * 3.75 * 1 + 352.94 * 3.05 * 1) / max_coefficients = 630.9532846715327

score = 568.4537906069417 * 0.5 + 630.9532846715327 * 0.5 = 599.7035376392372

Rating changes

Show

Date Place Points Reason
2024-04-12 20 600.10 -> 599.70

Moscow Riichi 2022: 29% -> 14%

2024-03-30 19 -> 20 600.10
2024-03-10 14 -> 19 624.57 -> 600.10

Agari Spring Tournament 2024: 0% -> 100%

2024-03-06 16 -> 14 610.54 -> 624.57
2024-02-27 15 -> 16 610.54
2024-02-18 19 -> 15 609.92 -> 610.54

Meeting in the billiard room: 86% -> 71%

2024-02-12 15 -> 19 616.98 -> 609.92

Moscow Riichi 2022: 43% -> 29%

2024-01-06 18 -> 15 603.72 -> 616.98
2023-12-19 20 -> 18 603.72
2023-12-18 21 -> 20 600.76 -> 603.72

Meeting in the billiard room: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 353 2024-03-10 34/52 100% 3.05 RR Agari Spring Tournament 2024
2 897 2023-11-26 5/40 100% 2.90 CRR Autumn Agari tournament
3 364 2023-10-22 15/23 100% 2.10 CRR Mushroom League
4 832 2023-09-03 19/108 100% 4.00 RR SPB Riichi Open 2023
5 437 2023-06-11 50/88 100% 3.75 RR Money can not buy tenpai
6 348 2022-12-18 16/24 71% 2.80 CRR Meeting in the billiard room
7 595 2022-06-12 46/112 14% 4.05 RR Moscow Riichi 2022