Novikov Anton
From Saint Petersburg, Russia
EMA: 15990255
Internal rating (RR)
Rating date Sept. 1, 2025 (latest changes Sept. 1, 2025).
14 place (736.48).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (925.23 * 4 * 0.14 + 760.87 * 2.10 * 0.57 + 600 * 3.85 * 0.86 + 983.05 * 3.25 * 1 + 1000 * 1.90 * 1 + 766.23 * 3.45 * 1) / (4 * 0.14 + 2.10 * 0.57 + 3.85 * 0.86 + 3.25 * 1 + 1.90 * 1 + 3.45 * 1) = 816.3180367739162
p2 = (983.05 * 3.25 * 1 + 766.23 * 3.45 * 1 + 600 * 3.85 * 0.86 + 1000 * 1.90 * 1) / max_coefficients = 656.6439189189189
score = 816.3180367739162 * 0.5 + 656.6439189189189 * 0.5 = 736.4809778464175
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-01 | 14 | 734.52 -> 736.48 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 21 -> 14 | 684.27 -> 734.52 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-04 | 23 -> 21 | 681.60 -> 684.27 | |
| 2025-08-03 | 22 -> 23 | 681.60 | |
| 2025-07-30 | 20 -> 22 | 688.22 -> 681.60 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-14 | 21 -> 20 | 688.22 | |
| 2025-07-12 | 23 -> 21 | 683.01 -> 688.22 | |
| 2025-07-03 | 23 | 685.60 -> 683.01 |
SPB Riichi Open 2023: 29% -> 14% |
| 2025-06-15 | 19 -> 23 | 693.69 -> 685.60 | |
| 2025-06-11 | 22 -> 19 | 693.69 |