Halperin Rachel
From United States
Online rating
Rating date May 13, 2022 (latest changes May 13, 2022).
35 place (639.02).
how we calculated rating score
max_coefficients = (3.45 * 1 + 3.25 * 1 + 3.20 * 0.86) = 9.442720000000001
p1 = (340.74 * 3.69 * 0.14 + 941.18 * 2.70 * 0.14 + 218.18 * 2.80 * 0.29 + 880.60 * 3 * 0.57 + 867.47 * 3.20 * 0.86 + 615.38 * 2.40 * 1) / (3.69 * 0.14 + 2.70 * 0.14 + 2.80 * 0.29 + 3 * 0.57 + 3.20 * 0.86 + 2.40 * 1) = 709.8018894024756
p2 = (867.47 * 3.20 * 0.86 + 880.60 * 3 * 0.57 + 615.38 * 2.40 * 1) / max_coefficients = 568.2335174610705
score = 709.8018894024756 * 0.5 + 568.2335174610705 * 0.5 = 639.017703431773
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-05-13 | 39 -> 35 | 628.05 -> 639.02 |
Autumn Online Tournament: 43% -> 29% |
| 2022-05-12 | 39 | 633.27 -> 628.05 |
Rainy season tournament［梅雨］: 29% -> 14% |
| 2022-05-10 | 31 -> 39 | 658.94 -> 633.27 |
Winter Online Tournament: 71% -> 57% Spring tournament: 14% -> 0% |
| 2022-05-07 | 33 -> 31 | 658.94 | |
| 2022-05-01 | 36 -> 33 | 658.94 | |
| 2022-04-29 | 42 -> 36 | 651.18 -> 658.94 | |
| 2021-02-01 | 42 | 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 | 86% | 3.20 | ONLINE | No Dora Tournament |
| 3 | 881 |
|
9/68 | 57% | 3.00 | ONLINE | Winter Online Tournament |
| 4 | 218 |
|
44/56 | 29% | 2.80 | ONLINE | Autumn Online Tournament |
| 5 | 941 |
|
4/52 | 14% | 2.70 | ONLINE | Rainy season tournament［梅雨］ |
| 6 | 341 |
|
90/136 | 14% | 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 |