Ryabov Aleksandr

Winner Kawa-league

From Moscow, Russia

Player page

Internal rating (RR)

Rating date March 2, 2026 (latest changes March 2, 2026).

66 place (517.30).

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 + 221.05 * 3.85 * 0.43 + 853.93 * 3.75 * 0.57 + 161.29 * 3.10 * 0.86 + 967.74 * 3 * 1 + 366.67 * 3 * 1) / (3.05 * 0.14 + 4.60 * 0.29 + 3.85 * 0.43 + 3.75 * 0.57 + 3.10 * 0.86 + 3 * 1 + 3 * 1) = 563.1075071822512

p2 = (967.74 * 3 * 1 + 853.93 * 3.75 * 0.57 + 925.23 * 4.60 * 0.29 + 366.67 * 3 * 1) / max_coefficients = 471.5016722408027

score = 563.1075071822512 * 0.5 + 471.5016722408027 * 0.5 = 517.3045897115269

Rating changes

Show

all results
Date Place Points Reason
2026-03-02 65 -> 66 517.30
2026-03-01 69 -> 65 510.93 -> 517.30

SPB Riichi Open 2024: 57% -> 43%
2026-02-23 67 -> 69 510.93
2026-02-13 61 -> 67 531.56 -> 510.93

Moscow Riichi 2024: 71% -> 57%
2026-02-08 59 -> 61 531.56
2026-02-04 61 -> 59 531.56
2026-01-26 62 -> 61 531.56
2026-01-25 56 -> 62 531.56
2026-01-14 55 -> 56 531.56
2026-01-12 50 -> 55 559.41 -> 531.56

X Russian Championship: 43% -> 29%

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
3 161 2025-01-07 27/32 86% 3.10 RR Moscow Open Riichi Marathon Moscow
4 854 2024-10-13 14/90 57% 3.75 RR Moscow Riichi 2024 Moscow
5 221 2024-09-01 75/96 43% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
6 925 2024-05-12 9/108 29% 4.60 RR X Russian Championship Perm
7 353 2024-03-10 34/52 14% 3.05 RR Agari Spring Tournament 2024 Moscow
8 832 2023-09-03 19/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
9 437 2023-06-11 50/88 0% 3.75 RR Money can not buy tenpai Perm
10 595 2022-06-12 46/112 0% 4.05 RR Moscow Riichi 2022 Moscow