Sorokin Pavel
From Saint Petersburg, Russia
EMA: 15990297
Common russian riichi rating (CRR)
Rating date Nov. 4, 2025 (latest changes Nov. 1, 2025).
9 place (753.78).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
p1 = (51.28 * 2.90 * 0.14 + 254.90 * 3.05 * 0.43 + 913.04 * 2.10 * 0.43 + 485.98 * 4.60 * 0.57 + 147.37 * 3.85 * 0.71 + 662.92 * 3.75 * 0.86 + 915.25 * 3.25 * 1 + 971.43 * 1.90 * 1 + 900 * 3.50 * 1 + 850.75 * 4.10 * 1) / (2.90 * 0.14 + 3.05 * 0.43 + 2.10 * 0.43 + 4.60 * 0.57 + 3.85 * 0.71 + 3.75 * 0.86 + 3.25 * 1 + 1.90 * 1 + 3.50 * 1 + 4.10 * 1) = 686.3520433711452
p2 = (850.75 * 4.10 * 1 + 900 * 3.50 * 1 + 915.25 * 3.25 * 1 + 662.92 * 3.75 * 0.86) / max_coefficients = 821.2132867132866
score = 686.3520433711452 * 0.5 + 821.2132867132866 * 0.5 = 753.782665042216
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-01 | 11 -> 9 | 746.31 -> 753.78 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 9 -> 11 | 745.75 -> 746.31 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-04 | 10 -> 9 | 745.75 | |
| 2025-09-30 | 10 | 747.16 -> 745.75 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-26 | 10 | 742.13 -> 747.16 |
Autumn Agari tournament: 29% -> 14% |
| 2025-09-12 | 13 -> 10 | 739.88 -> 742.13 |
X Russian Championship: 71% -> 57% |
| 2025-09-10 | 13 | 736.58 -> 739.88 |
Agari Spring Tournament 2024: 57% -> 43% |
| 2025-09-03 | 13 | 737.44 -> 736.58 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 15 -> 13 | 721.67 -> 737.44 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 5 -> 15 | 761.56 -> 721.67 |
SPB Riichi Open 2025: 0% -> 100% |