Novikov Dmitriy
From Saint Petersburg, Russia
EMA: 15990278
Common russian riichi rating (CRR)
Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).
7 place (764.31).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
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 * 0.71 + 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 * 0.71 + 3.75 * 0.86 + 3.05 * 1 + 4.10 * 1 + 3.45 * 1) = 751.657894610783
p2 = (844.16 * 3.45 * 1 + 876.40 * 3.75 * 0.86 + 1000 * 3.85 * 0.71 + 862.75 * 3.05 * 1) / max_coefficients = 776.9678321678321
score = 751.657894610783 * 0.5 + 776.9678321678321 * 0.5 = 764.3128633893075
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-01 | 5 -> 7 | 784.90 -> 764.31 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-22 | 4 -> 5 | 784.90 | |
| 2025-10-13 | 4 | 789.68 -> 784.90 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-04 | 5 -> 4 | 786.72 -> 789.68 |
Riichi over Volga: 86% -> 71% |
| 2025-09-30 | 5 | 786.63 -> 786.72 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-12 | 2 -> 5 | 807.17 -> 786.63 |
X Russian Championship: 71% -> 57% |
| 2025-09-10 | 2 | 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% |