Ryabov Aleksandr

Winner Kawa-league

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 25, 2026 (latest changes Jan. 25, 2026).

55 place (551.83).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (352.94 * 3.05 * 0.14 + 925.23 * 4.60 * 0.29 + 387.10 * 1.80 * 0.29 + 221.05 * 3.85 * 0.57 + 853.93 * 3.75 * 0.71 + 260.87 * 2.80 * 0.86 + 789.47 * 1.50 * 1 + 967.74 * 3 * 1 + 366.67 * 3 * 1) / (3.05 * 0.14 + 4.60 * 0.29 + 1.80 * 0.29 + 3.85 * 0.57 + 3.75 * 0.71 + 2.80 * 0.86 + 1.50 * 1 + 3 * 1 + 3 * 1) = 595.9154407277712

p2 = (967.74 * 3 * 1 + 853.93 * 3.75 * 0.71 + 925.23 * 4.60 * 0.29 + 789.47 * 1.50 * 1) / max_coefficients = 507.7438127090302

score = 595.9154407277712 * 0.5 + 507.7438127090302 * 0.5 = 551.8296267184007

Rating changes

Show

all results
Date Place Points Reason
2026-01-19 55 550.28 -> 551.83

"Green Dragon" in the Secret Chamber: 43% -> 29%
2026-01-12 46 -> 55 576.70 -> 550.28

X Russian Championship: 43% -> 29%
2026-01-10 47 -> 46 573.72 -> 576.70

Agari Spring Tournament 2024: 29% -> 14%
2026-01-07 51 -> 47 555.88 -> 573.72

Moscow Open Riichi Marathon 2026: 0% -> 100%

Moscow Open Riichi Marathon: 100% -> 86%
2026-01-03 52 -> 51 555.88
2026-01-01 53 -> 52 550.93 -> 555.88

SPB Riichi Open 2024: 71% -> 57%
2025-12-13 50 -> 53 570.34 -> 550.93

Moscow Riichi 2024: 86% -> 71%
2025-12-07 49 -> 50 570.34
2025-12-04 50 -> 49 570.34
2025-12-01 51 -> 50 567.32 -> 570.34

Riichi never changing: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 367 2026-01-07 20/31 100% 3.00 RR Moscow Open Riichi Marathon 2026 Moscow
2 968 2025-11-30 🥈 2/32 100% 3.00 RR Final Cup 2025 Moscow
3 789 2025-05-17 5/20 100% 1.50 CRR HaTiKo Korolyov
4 161 2025-01-07 27/32 86% 3.10 RR Moscow Open Riichi Marathon Moscow
5 261 2024-12-01 18/24 86% 2.80 CRR Riichi never changing Moscow
6 854 2024-10-13 14/90 71% 3.75 RR Moscow Riichi 2024 Moscow
7 221 2024-09-01 75/96 57% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
8 387 2024-05-19 20/32 29% 1.80 CRR "Green Dragon" in the Secret Chamber Korolyov
9 925 2024-05-12 9/108 29% 4.60 RR X Russian Championship Perm
10 353 2024-03-10 34/52 14% 3.05 RR Agari Spring Tournament 2024 Moscow
11 897 2023-11-26 5/40 0% 2.90 CRR Autumn Agari tournament Moscow
12 364 2023-10-22 15/23 0% 2.10 CRR Mushroom League Moscow
13 832 2023-09-03 19/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
14 437 2023-06-11 50/88 0% 3.75 RR Money can not buy tenpai Perm
15 348 2022-12-18 16/24 0% 2.80 CRR Meeting in the billiard room Moscow
16 595 2022-06-12 46/112 0% 4.05 RR Moscow Riichi 2022 Moscow