Bretslavskaya Natalya
From Tyumen, Russia
Common russian riichi rating (CRR)
Rating date June 9, 2024 (latest changes June 9, 2024).
25 place (615.77).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
p1 = (222.22 * 2.30 * 1 + 724.14 * 3.75 * 1 + 740.74 * 2.30 * 1 + 887.85 * 4.60 * 1 + 0) / (2.30 * 1 + 3.75 * 1 + 2.30 * 1 + 4.60 * 1 + 1) = 646.1964157706094
p2 = (887.85 * 4.60 * 1 + 724.14 * 3.75 * 1 + 740.74 * 2.30 * 1 + 222.22 * 2.30 * 1) / max_coefficients = 585.3532467532468
score = 646.1964157706094 * 0.5 + 585.3532467532468 * 0.5 = 615.7748312619281
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
2024-03-10 | 55 -> 63 | 427.08 -> 418.12 | |
2024-03-06 | 58 -> 55 | 418.78 -> 427.08 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 888 |
|
13/108 | 100% | 4.60 | RR | X Russian Championship |
2 | 222 |
|
22/28 | 100% | 2.30 | CRR | Chasing Kan |
3 | 741 |
|
8/28 | 100% | 2.30 | CRR | Finding Dora |
4 | 724 |
|
25/88 | 100% | 3.75 | RR | Money can not buy tenpai |