Halperin Rachel
From United States
Online rating
Rating date Jan. 7, 2023 (latest changes Jan. 7, 2023).
76 place (380.09).
how we calculated rating score
max_coefficients = (2.80 * 1 + 3.25 * 0.86 + 2.30 * 1) = 7.885574999999999
p1 = (880.60 * 3 * 0.14 + 867.47 * 3.20 * 0.29 + 615.38 * 2.40 * 0.86 + 0 + 0) / (3 * 0.14 + 3.20 * 0.29 + 2.40 * 0.86 + 1 + 1) = 451.1979673998793
p2 = (615.38 * 2.40 * 0.86 + 867.47 * 3.20 * 0.29 + 880.60 * 3 * 0.14) / max_coefficients = 308.97683428285194
score = 451.1979673998793 * 0.5 + 308.97683428285194 * 0.5 = 380.0874008413656
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-01-07 | 77 -> 76 | 380.09 | |
| 2022-12-17 | 78 -> 77 | 380.09 | |
| 2022-12-12 | 73 -> 78 | 392.22 -> 380.09 |
Winter Online Tournament: 100% -> 86% |
| 2022-11-25 | 75 -> 73 | 392.22 | |
| 2022-11-21 | 67 -> 75 | 431.44 -> 392.22 |
No Dora Tournament: 43% -> 29% |
| 2022-11-16 | 66 -> 67 | 431.44 | |
| 2022-11-14 | 70 -> 66 | 421.45 -> 431.44 | |
| 2022-11-12 | 71 -> 70 | 421.45 | |
| 2022-11-10 | 61 -> 71 | 455.85 -> 421.45 |
Winter Online Tournament: 29% -> 14% |
| 2022-11-07 | 62 -> 61 | 455.85 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 615 |
|
16/40 | 86% | 2.40 | ONLINE | Winter Online Tournament |
| 2 | 867 |
|
12/84 | 29% | 3.20 | ONLINE | No Dora Tournament |
| 3 | 881 |
|
9/68 | 14% | 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 |