Bretslavskaya Natalya
From Tyumen, Russia
Common russian riichi rating (CRR)
Rating date July 14, 2024 (latest changes July 14, 2024).
18 place (671.37).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (724.14 * 3.75 * 0.86 + 740.74 * 2.30 * 1 + 222.22 * 2.30 * 1 + 887.85 * 4.60 * 1 + 617.02 * 2.80 * 1) / (3.75 * 0.86 + 2.30 * 1 + 2.30 * 1 + 4.60 * 1 + 2.80 * 1) = 680.5550762860171
p2 = (887.85 * 4.60 * 1 + 724.14 * 3.75 * 0.86 + 617.02 * 2.80 * 1 + 740.74 * 2.30 * 1) / max_coefficients = 662.1943774019661
score = 680.5550762860171 * 0.5 + 662.1943774019661 * 0.5 = 671.3747268439915
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-07-14 | 27 -> 18 | 611.72 -> 671.37 |
Guardian of the Winds: 0% -> 100% |
| 2024-06-11 | 25 -> 27 | 615.77 -> 611.72 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 22 -> 25 | 615.77 | |
| 2024-05-19 | 24 -> 22 | 615.77 | |
| 2024-05-12 | 65 -> 24 | 418.12 -> 615.77 |
X Russian Championship: 0% -> 100% |
| 2024-05-06 | 66 -> 65 | 418.12 | |
| 2024-05-05 | 65 -> 66 | 418.12 | |
| 2024-04-12 | 64 -> 65 | 418.12 | |
| 2024-03-30 | 61 -> 64 | 418.12 | |
| 2024-03-20 | 63 -> 61 | 418.12 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 617 |
|
19/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 2 | 888 |
|
13/108 | 100% | 4.60 | RR | X Russian Championship |
| 3 | 222 |
|
22/28 | 100% | 2.30 | CRR | Chasing Kan |
| 4 | 741 |
|
8/28 | 100% | 2.30 | CRR | Finding Dora |
| 5 | 724 |
|
25/88 | 86% | 3.75 | RR | Money can not buy tenpai |