Novikov Anton
Winner Yoroshiku League 2 Winner Kawa-league 2
From Saint Petersburg, Russia
EMA: 15990255
Common russian riichi rating (CRR)
Rating date Dec. 8, 2025 (latest changes Dec. 4, 2025).
22 place (685.16).
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 * 0.29 + 600 * 3.85 * 0.71 + 43.48 * 2.80 * 0.86 + 983.05 * 3.25 * 1 + 1000 * 1.90 * 1 + 277.78 * 2 * 1 + 766.23 * 3.45 * 1 + 870.97 * 3 * 1) / (2.10 * 0.29 + 3.85 * 0.71 + 2.80 * 0.86 + 3.25 * 1 + 1.90 * 1 + 2 * 1 + 3.45 * 1 + 3 * 1) = 677.9237417444685
p2 = (983.05 * 3.25 * 1 + 766.23 * 3.45 * 1 + 870.97 * 3 * 1 + 1000 * 1.90 * 1) / max_coefficients = 692.3966555183947
score = 677.9237417444685 * 0.5 + 692.3966555183947 * 0.5 = 685.1601986314316
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-01 | 24 -> 22 | 678.73 -> 685.16 |
Riichi never changing: 100% -> 86% |
| 2025-11-30 | 35 -> 24 | 629.26 -> 678.73 |
Seihoku spring tournament 2024: 43% -> 29% Final Cup 2025: 0% -> 100% |
| 2025-11-12 | 37 -> 35 | 629.26 | |
| 2025-11-04 | 33 -> 37 | 643.53 -> 629.26 | |
| 2025-11-01 | 32 -> 33 | 653.41 -> 643.53 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 34 -> 32 | 643.11 -> 653.41 | |
| 2025-10-04 | 33 -> 34 | 643.11 | |
| 2025-09-30 | 33 | 644.21 -> 643.11 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-26 | 34 -> 33 | 644.21 | |
| 2025-09-15 | 35 -> 34 | 644.21 |