Novikov Dmitriy
From Saint Petersburg, Russia
EMA: 15990278
Common russian riichi rating (CRR)
Rating date Sept. 15, 2025 (latest changes Sept. 15, 2025).
5 place (786.63).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (568.63 * 3.05 * 0.43 + 739.13 * 2.10 * 0.57 + 962.62 * 4.60 * 0.57 + 468.35 * 3.65 * 0.86 + 1000 * 3.85 * 0.86 + 876.40 * 3.75 * 1 + 862.75 * 3.05 * 1 + 432.84 * 4.10 * 1 + 844.16 * 3.45 * 1) / (3.05 * 0.43 + 2.10 * 0.57 + 4.60 * 0.57 + 3.65 * 0.86 + 3.85 * 0.86 + 3.75 * 1 + 3.05 * 1 + 4.10 * 1 + 3.45 * 1) = 753.663483556676
p2 = (1000 * 3.85 * 0.86 + 876.40 * 3.75 * 1 + 844.16 * 3.45 * 1 + 862.75 * 3.05 * 1) / max_coefficients = 819.5993243243242
score = 753.663483556676 * 0.5 + 819.5993243243242 * 0.5 = 786.6314039405001
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2025-08-09 | 3 -> 1 | 794.06 | |
| 2025-08-04 | 3 | 787.12 -> 794.06 |
Riichi over Volga: 100% -> 86% |
| 2025-07-30 | 3 | 787.16 -> 787.12 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-12 | 2 -> 3 | 802.39 -> 787.16 |
X Russian Championship: 86% -> 71% |
| 2025-07-10 | 2 | 801.01 -> 802.39 |
Agari Spring Tournament 2024: 71% -> 57% |