Halperin Rachel
From United States
Online rating
Rating date Oct. 27, 2022 (latest changes Oct. 27, 2022).
64 place (455.85).
how we calculated rating score
max_coefficients = (3.25 * 1 + 2.80 * 1 + 2.60 * 1) = 8.65
p1 = (867.47 * 3.20 * 0.43 + 880.60 * 3 * 0.29 + 615.38 * 2.40 * 1 + 0 + 0) / (3.20 * 0.43 + 3 * 0.29 + 2.40 * 1 + 1 + 1) = 516.1602264121341
p2 = (615.38 * 2.40 * 1 + 867.47 * 3.20 * 0.43 + 880.60 * 3 * 0.29) / max_coefficients = 395.54104046242776
score = 516.1602264121341 * 0.5 + 395.54104046242776 * 0.5 = 455.8506334372809
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-10-17 | 65 -> 64 | 455.85 | |
| 2022-09-25 | 66 -> 65 | 455.85 | |
| 2022-09-22 | 41 -> 66 | 651.18 -> 455.85 | |
| 2021-02-01 | 41 | 651.18 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 615 |
|
16/40 | 100% | 2.40 | ONLINE | Winter Online Tournament |
| 2 | 867 |
|
12/84 | 43% | 3.20 | ONLINE | No Dora Tournament |
| 3 | 881 |
|
9/68 | 29% | 3.00 | ONLINE | Winter Online Tournament |
| 4 | 218 |
|
44/56 | 0% | 2.80 | ONLINE | Autumn Online Tournament |
| 5 | 941 |
|
4/52 | 0% | 2.70 | ONLINE | Rainy season tournament［梅雨］ |
| 6 | 341 |
|
90/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup |
| 7 | 776 |
|
25/108 | 0% | 3.50 | ONLINE | Spring tournament |
| 8 | 569 |
|
54/124 | 0% | 3.06 | ONLINE | Be cool stay home |
| 9 | 475 |
|
74/140 | 0% | 3.70 | ONLINE | Corona go away |