Ryabov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

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

13 place (700.00).

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

p1 = (436.78 * 3.75 * 0.43 + 831.78 * 4 * 0.71 + 897.44 * 2.90 * 0.86 + 925.23 * 4.60 * 1 + 347.83 * 2.80 * 0.14 + 352.94 * 3.05 * 1 + 387.10 * 1.80 * 1 + 363.64 * 2.10 * 0.86 + 853.93 * 3.75 * 1 + 260.87 * 2.80 * 1) / (3.75 * 0.43 + 4 * 0.71 + 2.90 * 0.86 + 4.60 * 1 + 2.80 * 0.14 + 3.05 * 1 + 1.80 * 1 + 2.10 * 0.86 + 3.75 * 1 + 2.80 * 1) = 638.7616416176973

p2 = (925.23 * 4.60 * 1 + 853.93 * 3.75 * 1 + 831.78 * 4 * 0.71 + 897.44 * 2.90 * 0.86) / max_coefficients = 761.2321766561514

score = 638.7616416176973 * 0.5 + 761.2321766561514 * 0.5 = 699.9969091369244

Rating changes

Show

Date Place Points Reason
2024-12-11 13 697.89 -> 700.00

Money can not buy tenpai: 57% -> 43%

2024-12-01 12 -> 13 720.75 -> 697.89

Riichi never changing: 0% -> 100%

2024-11-26 10 -> 12 734.41 -> 720.75

Autumn Agari tournament: 100% -> 86%

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%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 261 2024-12-01 18/24 100% 2.80 CRR Riichi never changing
2 854 2024-10-13 14/90 100% 3.75 RR Moscow Riichi 2024
3 221 2024-09-01 75/96 100% 3.85 RR SPB Riichi Open 2024
4 387 2024-05-19 20/32 100% 1.80 CRR "Green Dragon" in the Secret Chamber
5 925 2024-05-12 9/108 100% 4.60 RR X Russian Championship
6 353 2024-03-10 34/52 100% 3.05 RR Agari Spring Tournament 2024
7 897 2023-11-26 5/40 86% 2.90 CRR Autumn Agari tournament
8 364 2023-10-22 15/23 86% 2.10 CRR Mushroom League
9 832 2023-09-03 19/108 71% 4.00 RR SPB Riichi Open 2023
10 437 2023-06-11 50/88 43% 3.75 RR Money can not buy tenpai
11 348 2022-12-18 16/24 14% 2.80 CRR Meeting in the billiard room
12 595 2022-06-12 46/112 0% 4.05 RR Moscow Riichi 2022