Novikov Anton
From Saint Petersburg, Russia
EMA: 15990255
Internal rating (RR)
Rating date July 30, 2025 (latest changes July 30, 2025).
22 place (681.60).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (925.23 * 4 * 0.14 + 760.87 * 2.10 * 0.57 + 600 * 3.85 * 1 + 983.05 * 3.25 * 1 + 1000 * 1.90 * 1) / (4 * 0.14 + 2.10 * 0.57 + 3.85 * 1 + 3.25 * 1 + 1.90 * 1) = 821.3106018266656
p2 = (983.05 * 3.25 * 1 + 600 * 3.85 * 1 + 1000 * 1.90 * 1 + 760.87 * 2.10 * 0.57) / max_coefficients = 541.8840390879479
score = 821.3106018266656 * 0.5 + 541.8840390879479 * 0.5 = 681.5973204573068
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2025-06-08 | 20 -> 22 | 693.69 | |
| 2025-05-30 | 17 -> 20 | 700.39 -> 693.69 |
Seihoku spring tournament 2024: 86% -> 71% |
| 2025-05-12 | 20 -> 17 | 688.42 -> 700.39 | |
| 2025-05-03 | 15 -> 20 | 697.58 -> 688.42 |
SPB Riichi Open 2023: 43% -> 29% |