Bretslavskaya Natalya
From Tyumen, Russia
Common russian riichi rating (CRR)
Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).
19 place (678.11).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (724.14 * 3.75 * 0.71 + 740.74 * 2.30 * 1 + 222.22 * 2.30 * 1 + 887.85 * 4.60 * 1 + 617.02 * 2.80 * 1 + 721.52 * 3.65 * 1) / (3.75 * 0.71 + 2.30 * 1 + 2.30 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 687.4389104474559
p2 = (887.85 * 4.60 * 1 + 721.52 * 3.65 * 1 + 724.14 * 3.75 * 0.71 + 617.02 * 2.80 * 1) / max_coefficients = 668.774632286649
score = 687.4389104474559 * 0.5 + 668.774632286649 * 0.5 = 678.1067713670525
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-06 | 20 -> 19 | 678.11 | |
| 2024-09-03 | 21 -> 20 | 666.23 -> 678.11 | |
| 2024-09-01 | 17 -> 21 | 683.10 -> 666.23 | |
| 2024-08-26 | 18 -> 17 | 683.10 | |
| 2024-08-11 | 14 -> 18 | 692.56 -> 683.10 |
Money can not buy tenpai: 86% -> 71% |
| 2024-08-04 | 18 -> 14 | 671.37 -> 692.56 |
Riichi over Volga: 0% -> 100% |
| 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 722 |
|
23/80 | 100% | 3.65 | RR | Riichi over Volga |
| 2 | 617 |
|
19/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 3 | 888 |
|
13/108 | 100% | 4.60 | RR | X Russian Championship |
| 4 | 222 |
|
22/28 | 100% | 2.30 | CRR | Chasing Kan |
| 5 | 741 |
|
8/28 | 100% | 2.30 | CRR | Finding Dora |
| 6 | 724 |
|
25/88 | 71% | 3.75 | RR | Money can not buy tenpai |