Ryabov Aleksandr
From Moscow, Russia
Online rating
Rating date Jan. 26, 2026 (latest changes Jan. 21, 2026).
13 place (648.29).
how we calculated rating score
max_coefficients = (4.45 * 1 + 4.45 * 1 + 3.05 * 0.86) = 11.514155
p1 = (571.43 * 3.70 * 0.43 + 933.33 * 1.80 * 0.43 + 928.57 * 1.50 * 0.57 + 1000 * 4.45 * 1 + 351.35 * 4.45 * 1 + 588.24 * 1.80 * 1) / (3.70 * 0.43 + 1.80 * 0.43 + 1.50 * 0.57 + 4.45 * 1 + 4.45 * 1 + 1.80 * 1) = 682.3463462312425
p2 = (1000 * 4.45 * 1 + 351.35 * 4.45 * 1 + 588.24 * 1.80 * 1) / max_coefficients = 614.2291813858681
score = 682.3463462312425 * 0.5 + 614.2291813858681 * 0.5 = 648.2877638085553
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-21 | 13 | 650.16 -> 648.29 |
IORMC Qualifiers 2024: 71% -> 57% |
| 2026-01-18 | 13 | 638.95 -> 650.16 | |
| 2026-01-10 | 11 -> 13 | 643.42 -> 638.95 |
Yagi Keiji Cup [Tenhou]: 0% -> 100% |
| 2025-12-22 | 11 | 645.80 -> 643.42 |
Royale roulette: 57% -> 43% |
| 2025-12-16 | 9 -> 11 | 652.03 -> 645.80 |
Shimmer League: 57% -> 43% |
| 2025-11-21 | 9 | 653.87 -> 652.03 |
IORMC Qualifiers 2024: 86% -> 71% |
| 2025-10-31 | 3 -> 9 | 741.46 -> 653.87 |
Kawa-league, season 2: 0% -> 100% |
| 2025-10-22 | 3 | 743.58 -> 741.46 |
Royale roulette: 71% -> 57% |
| 2025-10-16 | 3 | 744.65 -> 743.58 |
Shimmer League: 71% -> 57% |
| 2025-09-21 | 3 | 755.59 -> 744.65 |
IORMC Qualifiers 2024: 100% -> 86% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 588 |
|
8/18 | 100% | 1.80 | ONLINE | Yagi Keiji Cup [Tenhou] | Russia | |
| 2 | 351 |
|
49/75 | 100% | 4.45 | ONLINE | Kawa-league, season 2 | Russia | |
| 3 | 1000 |
|
🥇 | 1/72 | 100% | 4.45 | ONLINE | Kawa-league, season 1 | Russia |
| 4 | 929 |
|
🥈 | 2/15 | 57% | 1.50 | ONLINE | IORMC Qualifiers 2024 | Russia |
| 5 | 933 |
|
🥈 | 2/16 | 43% | 1.80 | ONLINE | Royale roulette | Russia |
| 6 | 571 |
|
16/36 | 43% | 3.70 | ONLINE | Shimmer League | Moscow | |
| 7 | 597 |
|
28/68 | 0% | 3.00 | ONLINE | Double Tournament with Naga | Russia |