Novikov Dmitriy
From Saint Petersburg, Russia
EMA: 15990278
Internal rating (RR)
Rating date Oct. 31, 2025 (latest changes Oct. 13, 2025).
3 place (784.90).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835
p1 = (568.63 * 3.05 * 0.43 + 739.13 * 2.10 * 0.43 + 962.62 * 4.60 * 0.57 + 468.35 * 3.65 * 0.71 + 1000 * 3.85 * 0.86 + 876.40 * 3.75 * 0.86 + 862.75 * 3.05 * 1 + 432.84 * 4.10 * 1 + 844.16 * 3.45 * 1) / (3.05 * 0.43 + 2.10 * 0.43 + 4.60 * 0.57 + 3.65 * 0.71 + 3.85 * 0.86 + 3.75 * 0.86 + 3.05 * 1 + 4.10 * 1 + 3.45 * 1) = 757.2177823042296
p2 = (1000 * 3.85 * 0.86 + 844.16 * 3.45 * 1 + 876.40 * 3.75 * 0.86 + 862.75 * 3.05 * 1) / max_coefficients = 812.5821655789072
score = 757.2177823042296 * 0.5 + 812.5821655789072 * 0.5 = 784.8999739415683
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-13 | 3 | 789.68 -> 784.90 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-04 | 3 | 786.72 -> 789.68 |
Riichi over Volga: 86% -> 71% |
| 2025-09-30 | 3 | 786.63 -> 786.72 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-12 | 3 | 807.17 -> 786.63 |
X Russian Championship: 71% -> 57% |
| 2025-09-10 | 2 -> 3 | 805.64 -> 807.17 |
Agari Spring Tournament 2024: 57% -> 43% |
| 2025-09-03 | 1 -> 2 | 827.82 -> 805.64 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 1 | 836.95 -> 827.82 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 1 | 794.06 -> 836.95 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-09 | 2 -> 1 | 794.06 | |
| 2025-08-04 | 3 -> 2 | 787.12 -> 794.06 |
Riichi over Volga: 100% -> 86% |