Novikov Anton
From Saint Petersburg, Russia
EMA: 15990255
Common russian riichi rating (CRR)
Rating date Oct. 10, 2025 (latest changes Oct. 9, 2025).
34 place (643.11).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (43.48 * 2.80 * 1 + 277.78 * 2 * 1 + 760.87 * 2.10 * 0.43 + 600 * 3.85 * 0.86 + 766.23 * 3.45 * 1 + 983.05 * 3.25 * 1 + 1000 * 1.90 * 1) / (2.80 * 1 + 2 * 1 + 2.10 * 0.43 + 3.85 * 0.86 + 3.45 * 1 + 3.25 * 1 + 1.90 * 1) = 629.5753468983766
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 = 629.5753468983766 * 0.5 + 656.6439189189189 * 0.5 = 643.1096329086477
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
2025-09-12 | 38 -> 35 | 644.21 | |
2025-09-10 | 39 -> 38 | 644.21 | |
2025-09-03 | 38 -> 39 | 648.75 -> 644.21 |
SPB Riichi Open 2023: 14% -> 0% |
2025-09-01 | 36 -> 38 | 650.38 -> 648.75 |
SPB Riichi Open 2024: 100% -> 86% |
2025-08-31 | 50 -> 36 | 579.43 -> 650.38 |
SPB Riichi Open 2025: 0% -> 100% |
2025-08-25 | 51 -> 50 | 579.43 |