Bretslavskaya Natalya
From Tyumen, Russia
Internal rating (RR)
Rating date March 2, 2026 (latest changes March 2, 2026).
96 place (431.08).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (887.85 * 4.60 * 0.29 + 617.02 * 2.80 * 0.43 + 721.52 * 3.65 * 0.43 + 225.81 * 2.40 * 0.86 + 500 * 3.40 * 1) / (4.60 * 0.29 + 2.80 * 0.43 + 3.65 * 0.43 + 2.40 * 0.86 + 3.40 * 1) = 545.3730338421915
p2 = (500 * 3.40 * 1 + 887.85 * 4.60 * 0.29 + 721.52 * 3.65 * 0.43 + 617.02 * 2.80 * 0.43) / max_coefficients = 316.7919732441472
score = 545.3730338421915 * 0.5 + 316.7919732441472 * 0.5 = 431.0825035431693
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-03-02 | 98 -> 96 | 425.54 -> 431.08 |
Riichi Maslenitsa (shrovetide): 100% -> 86% |
| 2026-02-23 | 116 -> 98 | 358.88 -> 425.54 |
White Wolf Cup 2026: 0% -> 100% |
| 2026-02-16 | 118 -> 116 | 358.88 | |
| 2026-02-13 | 117 -> 118 | 358.88 | |
| 2026-02-09 | 118 -> 117 | 358.88 | |
| 2026-02-08 | 114 -> 118 | 358.88 | |
| 2026-02-04 | 108 -> 114 | 379.37 -> 358.88 |
Riichi over Volga: 57% -> 43% |
| 2026-01-30 | 109 -> 108 | 379.37 | |
| 2026-01-26 | 110 -> 109 | 379.37 | |
| 2026-01-25 | 107 -> 110 | 379.37 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 500 |
|
38/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 2 | 226 |
|
25/32 | 86% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 3 | 722 |
|
23/80 | 43% | 3.65 | RR | Riichi over Volga | Samara | |
| 4 | 617 |
|
19/48 | 43% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 5 | 888 |
|
13/108 | 29% | 4.60 | RR | X Russian Championship | Perm | |
| 6 | 724 |
|
25/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm |