Novikov Anton
Winner Yoroshiku League 2 Winner Kawa-league 2
From Saint Petersburg, Russia
EMA: 15990255
Common russian riichi rating (CRR)
Rating date Feb. 8, 2026 (latest changes Feb. 4, 2026).
17 place (692.67).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (760.87 * 2.10 * 0.14 + 600 * 3.85 * 0.57 + 43.48 * 2.80 * 0.71 + 983.05 * 3.25 * 1 + 1000 * 1.90 * 1 + 277.78 * 2 * 1 + 766.23 * 3.45 * 1 + 870.97 * 3 * 1) / (2.10 * 0.14 + 3.85 * 0.57 + 2.80 * 0.71 + 3.25 * 1 + 1.90 * 1 + 2 * 1 + 3.45 * 1 + 3 * 1) = 692.9334884712835
p2 = (983.05 * 3.25 * 1 + 766.23 * 3.45 * 1 + 870.97 * 3 * 1 + 1000 * 1.90 * 1) / max_coefficients = 692.3966555183947
score = 692.9334884712835 * 0.5 + 692.3966555183947 * 0.5 = 692.6650719948391
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-02-04 | 18 -> 17 | 692.67 | |
| 2026-02-02 | 19 -> 18 | 692.67 | |
| 2026-02-01 | 21 -> 19 | 685.65 -> 692.67 |
Riichi never changing: 86% -> 71% |
| 2026-01-30 | 21 | 686.30 -> 685.65 |
Seihoku spring tournament 2024: 29% -> 14% |
| 2026-01-26 | 20 -> 21 | 686.30 | |
| 2026-01-25 | 18 -> 20 | 686.30 | |
| 2026-01-07 | 20 -> 18 | 686.30 | |
| 2026-01-01 | 22 -> 20 | 685.16 -> 686.30 |
SPB Riichi Open 2024: 71% -> 57% |
| 2025-12-01 | 24 -> 22 | 678.73 -> 685.16 |
Riichi never changing: 100% -> 86% |
| 2025-11-30 | 35 -> 24 | 629.26 -> 678.73 |
Final Cup 2025: 0% -> 100% Seihoku spring tournament 2024: 43% -> 29% |