Ryabov Aleksandr

Winner Kawa-league

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 12, 2026 (latest changes March 10, 2026).

67 place (517.64).

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

p1 = (925.23 * 4.60 * 0.29 + 387.10 * 1.80 * 0.29 + 221.05 * 3.85 * 0.43 + 853.93 * 3.75 * 0.57 + 260.87 * 2.80 * 0.71 + 161.29 * 3.10 * 0.71 + 789.47 * 1.50 * 1 + 967.74 * 3 * 1 + 366.67 * 3 * 1) / (4.60 * 0.29 + 1.80 * 0.29 + 3.85 * 0.43 + 3.75 * 0.57 + 2.80 * 0.71 + 3.10 * 0.71 + 1.50 * 1 + 3 * 1 + 3 * 1) = 558.1478924139825

p2 = (967.74 * 3 * 1 + 853.93 * 3.75 * 0.57 + 925.23 * 4.60 * 0.29 + 789.47 * 1.50 * 1) / max_coefficients = 477.13444816053516

score = 558.1478924139825 * 0.5 + 477.13444816053516 * 0.5 = 517.6411702872588

Rating changes

Show

all results
Date Place Points Reason
2026-03-10 63 -> 67 543.01 -> 517.64

Agari Spring Tournament 2024: 14% -> 0%
2026-03-07 62 -> 63 543.01

Moscow Open Riichi Marathon: 86% -> 71%
2026-03-01 64 -> 62 536.39 -> 543.01

SPB Riichi Open 2024: 57% -> 43%
2026-02-25 65 -> 64 536.39
2026-02-23 59 -> 65 536.39
2026-02-16 61 -> 59 536.39
2026-02-13 53 -> 61 555.85 -> 536.39

Moscow Riichi 2024: 71% -> 57%
2026-02-02 54 -> 53 555.85
2026-02-01 55 -> 54 551.83 -> 555.85

Riichi never changing: 86% -> 71%
2026-01-30 56 -> 55 551.83

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 71% 3.10 RR Moscow Open Riichi Marathon Moscow
5 261 2024-12-01 18/24 71% 2.80 CRR Riichi never changing Moscow
6 854 2024-10-13 14/90 57% 3.75 RR Moscow Riichi 2024 Moscow
7 221 2024-09-01 75/96 43% 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 0% 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