Novoselova Lada
From Kirov, Russia
Common russian riichi rating (CRR)
Rating date Sept. 5, 2025 (latest changes Sept. 5, 2025).
83 place (490.74).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (616.82 * 4.60 * 0.71 + 468.09 * 2.80 * 0.86 + 421.05 * 3.85 * 0.86 + 903.23 * 2.40 * 1 + 42.86 * 3.50 * 1 + 44.78 * 4.10 * 1 + 837.21 * 3 * 1) / (4.60 * 0.71 + 2.80 * 0.86 + 3.85 * 0.86 + 2.40 * 1 + 3.50 * 1 + 4.10 * 1 + 3 * 1) = 434.488284207383
p2 = (837.21 * 3 * 1 + 903.23 * 2.40 * 1 + 616.82 * 4.60 * 0.71 + 421.05 * 3.85 * 0.86) / max_coefficients = 546.9939189189189
score = 434.488284207383 * 0.5 + 546.9939189189189 * 0.5 = 490.74110156315095
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 85 -> 83 | 490.74 | |
| 2025-09-01 | 82 -> 85 | 491.00 -> 490.74 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 75 -> 82 | 491.00 | |
| 2025-08-26 | 76 -> 75 | 491.00 | |
| 2025-08-09 | 77 -> 76 | 491.00 | |
| 2025-08-04 | 78 -> 77 | 488.32 -> 491.00 | |
| 2025-08-03 | 109 -> 78 | 412.16 -> 488.32 |
Two roosters and Chuckles: 0% -> 100% |
| 2025-07-26 | 108 -> 109 | 412.16 | |
| 2025-07-14 | 105 -> 108 | 419.22 -> 412.16 |
Guardian of the Winds: 100% -> 86% |
| 2025-07-13 | 101 -> 105 | 419.22 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 837 |
|
8/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov | |
| 2 | 45 |
|
65/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 3 | 43 |
|
68/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 4 | 903 |
|
4/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 5 | 421 |
|
56/96 | 86% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 6 | 468 |
|
26/48 | 86% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 7 | 617 |
|
42/108 | 71% | 4.60 | RR | X Russian Championship | Perm |