Halperin Rachel
From United States
Online rating
Rating date Jan. 23, 2023 (latest changes Jan. 23, 2023).
101 place (262.76).
how we calculated rating score
max_coefficients = (2.80 * 1 + 3.25 * 0.71 + 2.30 * 1) = 7.421475
p1 = (867.47 * 3.20 * 0.14 + 615.38 * 2.40 * 0.86 + 0 + 0 + 0) / (3.20 * 0.14 + 2.40 * 0.86 + 1 + 1 + 1) = 301.4968300715229
p2 = (615.38 * 2.40 * 0.86 + 867.47 * 3.20 * 0.14) / max_coefficients = 224.0188102769328
score = 301.4968300715229 * 0.5 + 224.0188102769328 * 0.5 = 262.75782017422785
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-01-23 | 41 -> 101 | 651.18 -> 262.76 | |
| 2021-02-01 | 41 | 651.18 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 615 |
|
16/40 | 86% | 2.40 | ONLINE | Winter Online Tournament |
| 2 | 867 |
|
12/84 | 14% | 3.20 | ONLINE | No Dora Tournament |
| 3 | 881 |
|
9/68 | 0% | 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 |