Halperin Rachel
From United States
Online rating
Rating date March 14, 2023 (latest changes March 14, 2023).
97 place (244.68).
how we calculated rating score
max_coefficients = (2.80 * 1 + 2.30 * 1 + 2.60 * 0.71) = 6.95718
p1 = (867.47 * 3.20 * 0.14 + 615.38 * 2.40 * 0.71 + 0 + 0 + 0) / (3.20 * 0.14 + 2.40 * 0.71 + 1 + 1 + 1) = 280.6964962487432
p2 = (615.38 * 2.40 * 0.71 + 867.47 * 3.20 * 0.14) / max_coefficients = 208.65494352596886
score = 280.6964962487432 * 0.5 + 208.65494352596886 * 0.5 = 244.67571988735602
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-03-14 | 100 -> 97 | 238.15 -> 244.68 | |
| 2023-02-20 | 101 -> 100 | 238.15 | |
| 2023-02-18 | 102 -> 101 | 238.15 | |
| 2023-02-15 | 103 -> 102 | 238.15 | |
| 2023-02-13 | 104 -> 103 | 238.15 | |
| 2023-02-12 | 98 -> 104 | 262.76 -> 238.15 |
Winter Online Tournament: 86% -> 71% |
| 2023-01-25 | 101 -> 98 | 262.76 | |
| 2023-01-21 | 85 -> 101 | 311.12 -> 262.76 |
No Dora Tournament: 29% -> 14% |
| 2023-01-16 | 90 -> 85 | 311.12 | |
| 2023-01-14 | 93 -> 90 | 302.96 -> 311.12 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 615 |
|
16/40 | 71% | 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 |