Ryabov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 6, 2024 (latest changes Nov. 6, 2024).

10 place (734.41).

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

p1 = (347.83 * 2.80 * 0.14 + 352.94 * 3.05 * 1 + 436.78 * 3.75 * 0.57 + 831.78 * 4 * 0.71 + 363.64 * 2.10 * 0.86 + 897.44 * 2.90 * 1 + 925.23 * 4.60 * 1 + 387.10 * 1.80 * 1 + 853.93 * 3.75 * 1) / (2.80 * 0.14 + 3.05 * 1 + 3.75 * 0.57 + 4 * 0.71 + 2.10 * 0.86 + 2.90 * 1 + 4.60 * 1 + 1.80 * 1 + 3.75 * 1) = 684.1319177098006

p2 = (925.23 * 4.60 * 1 + 853.93 * 3.75 * 1 + 897.44 * 2.90 * 1 + 831.78 * 4 * 0.71) / max_coefficients = 784.6958990536278

score = 684.1319177098006 * 0.5 + 784.6958990536278 * 0.5 = 734.4139083817142

Rating changes

Show

Date Place Points Reason
2024-11-03 10 751.17 -> 734.41

SPB Riichi Open 2023: 86% -> 71%

2024-10-22 10 749.16 -> 751.17

Mushroom League: 100% -> 86%

2024-10-18 10 746.42 -> 749.16

Meeting in the billiard room: 29% -> 14%

2024-10-13 26 -> 10 637.39 -> 746.42

Moscow Riichi 2024: 0% -> 100%

2024-10-11 28 -> 26 638.87 -> 637.39

Money can not buy tenpai: 71% -> 57%

2024-09-06 29 -> 28 638.87
2024-09-03 25 -> 29 644.03 -> 638.87

SPB Riichi Open 2023: 100% -> 86%

2024-09-01 14 -> 25 694.21 -> 644.03

SPB Riichi Open 2024: 0% -> 100%

2024-08-18 14 691.54 -> 694.21

Meeting in the billiard room: 43% -> 29%

2024-08-11 13 -> 14 692.77 -> 691.54

Money can not buy tenpai: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 854 2024-10-13 14/90 100% 3.75 RR Moscow Riichi 2024
2 221 2024-09-01 75/96 100% 3.85 RR SPB Riichi Open 2024
3 387 2024-05-19 20/32 100% 1.80 CRR "Green Dragon" in the Secret Chamber
4 925 2024-05-12 9/108 100% 4.60 RR X Russian Championship
5 353 2024-03-10 34/52 100% 3.05 RR Agari Spring Tournament 2024
6 897 2023-11-26 5/40 100% 2.90 CRR Autumn Agari tournament
7 364 2023-10-22 15/23 86% 2.10 CRR Mushroom League
8 832 2023-09-03 19/108 71% 4.00 RR SPB Riichi Open 2023
9 437 2023-06-11 50/88 57% 3.75 RR Money can not buy tenpai
10 348 2022-12-18 16/24 14% 2.80 CRR Meeting in the billiard room
11 595 2022-06-12 46/112 0% 4.05 RR Moscow Riichi 2022