Halperin Rachel
From United States
Online rating
Rating date Aug. 15, 2022 (latest changes Aug. 15, 2022).
54 place (552.20).
how we calculated rating score
max_coefficients = (3.25 * 1 + 2.80 * 1 + 2.60 * 1) = 8.65
p1 = (218.18 * 2.80 * 0.14 + 880.60 * 3 * 0.43 + 867.47 * 3.20 * 0.57 + 615.38 * 2.40 * 1 + 0) / (2.80 * 0.14 + 3 * 0.43 + 3.20 * 0.57 + 2.40 * 1 + 1) = 619.3798449612403
p2 = (867.47 * 3.20 * 0.57 + 615.38 * 2.40 * 1 + 880.60 * 3 * 0.43) / max_coefficients = 485.01040462427744
score = 619.3798449612403 * 0.5 + 485.01040462427744 * 0.5 = 552.1951247927589
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-07-21 | 49 -> 54 | 582.82 -> 552.20 |
No Dora Tournament: 71% -> 57% |
| 2022-07-16 | 51 -> 49 | 572.30 -> 582.82 | |
| 2022-07-13 | 54 -> 51 | 561.58 -> 572.30 |
Autumn Online Tournament: 29% -> 14% |
| 2022-07-12 | 44 -> 54 | 613.27 -> 561.58 |
Rainy season tournament［梅雨］: 14% -> 0% |
| 2022-07-10 | 33 -> 44 | 638.84 -> 613.27 |
Winter Online Tournament: 57% -> 43% |
| 2022-07-07 | 34 -> 33 | 638.84 | |
| 2022-07-01 | 35 -> 34 | 638.84 | |
| 2022-06-26 | 33 -> 35 | 645.10 -> 638.84 | |
| 2022-06-20 | 35 -> 33 | 645.10 | |
| 2022-06-18 | 36 -> 35 | 645.10 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 615 |
|
16/40 | 100% | 2.40 | ONLINE | Winter Online Tournament |
| 2 | 867 |
|
12/84 | 57% | 3.20 | ONLINE | No Dora Tournament |
| 3 | 881 |
|
9/68 | 43% | 3.00 | ONLINE | Winter Online Tournament |
| 4 | 218 |
|
44/56 | 14% | 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 |