Ryabov Aleksandr

Winner Kawa-league

From Moscow, Russia

Player page

Internal rating (RR)

Rating date May 5, 2026 (latest changes May 3, 2026).

57 place (543.86).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (925.23 * 4.60 * 0.14 + 221.05 * 3.85 * 0.29 + 853.93 * 3.75 * 0.43 + 161.29 * 3.10 * 0.71 + 967.74 * 3 * 1 + 366.67 * 3 * 1 + 660 * 3.10 * 1) / (4.60 * 0.14 + 3.85 * 0.29 + 3.75 * 0.43 + 3.10 * 0.71 + 3 * 1 + 3 * 1 + 3.10 * 1) = 587.9337401086528

p2 = (967.74 * 3 * 1 + 660 * 3.10 * 1 + 853.93 * 3.75 * 0.43 + 366.67 * 3 * 1) / max_coefficients = 499.7784511784511

score = 587.9337401086528 * 0.5 + 499.7784511784511 * 0.5 = 543.856095643552

Rating changes

Show

all results
Date Place Points Reason
2026-05-03 55 -> 57 542.18 -> 543.86
2026-05-02 56 -> 55 542.18
2026-05-01 57 -> 56 535.56 -> 542.18

SPB Riichi Open 2024: 43% -> 29%
2026-04-13 53 -> 57 555.59 -> 535.56

Moscow Riichi 2024: 57% -> 43%
2026-04-09 54 -> 53 555.59
2026-04-05 67 -> 54 498.23 -> 555.59

Moscow Riichi 2026: 0% -> 100%
2026-04-02 66 -> 67 498.23
2026-03-30 68 -> 66 498.23
2026-03-26 69 -> 68 498.23
2026-03-14 70 -> 69 498.23

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 660 2026-04-05 18/51 100% 3.10 RR Moscow Riichi 2026 Moscow
2 367 2026-01-07 20/31 100% 3.00 RR Moscow Open Riichi Marathon 2026 Moscow
3 968 2025-11-30 🥈 2/32 100% 3.00 RR Final Cup 2025 Moscow
4 161 2025-01-07 27/32 71% 3.10 RR Moscow Open Riichi Marathon Moscow
5 854 2024-10-13 14/90 43% 3.75 RR Moscow Riichi 2024 Moscow
6 221 2024-09-01 75/96 29% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
7 925 2024-05-12 9/108 14% 4.60 RR X Russian Championship Perm
8 353 2024-03-10 34/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
9 832 2023-09-03 19/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
10 437 2023-06-11 50/88 0% 3.75 RR Money can not buy tenpai Perm
11 595 2022-06-12 46/112 0% 4.05 RR Moscow Riichi 2022 Moscow