Chichigina Natalya
From Odintsovo, Russia
EMA: 15990021
Internal rating (RR)
Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).
77 place (413.25).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (333.33 * 4.20 * 0.29 + 186.92 * 4 * 0.86 + 627.45 * 3.05 * 1 + 627.45 * 3.05 * 1 + 400 * 3.85 * 1) / (4.20 * 0.29 + 4 * 0.86 + 3.05 * 1 + 3.05 * 1 + 3.85 * 1) = 439.5740530128945
p2 = (627.45 * 3.05 * 1 + 627.45 * 3.05 * 1 + 400 * 3.85 * 1 + 186.92 * 4 * 0.86) / max_coefficients = 386.92202673810567
score = 439.5740530128945 * 0.5 + 386.92202673810567 * 0.5 = 413.2480398755001
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-09-03 | 79 -> 77 | 404.93 -> 413.25 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 80 -> 79 | 364.83 -> 404.93 |
SPB Riichi Open 2024: 0% -> 100% |
2024-08-11 | 86 -> 80 | 363.10 -> 364.83 | |
2024-08-04 | 76 -> 86 | 369.59 -> 363.10 | |
2024-07-14 | 69 -> 76 | 369.59 | |
2024-07-06 | 67 -> 69 | 374.67 -> 369.59 |
IX Russian Riichi Championship: 43% -> 29% |
2024-06-11 | 74 -> 67 | 377.89 -> 374.67 | |
2024-06-09 | 93 -> 74 | 267.29 -> 377.89 |
Agari Summer Tournament 2024: 0% -> 100% |
2024-05-12 | 70 -> 93 | 288.20 -> 267.29 | |
2024-05-06 | 70 | 293.25 -> 288.20 |
IX Russian Riichi Championship: 57% -> 43% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 400 |
|
58/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
2 | 627 |
|
20/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
3 | 627 |
|
20/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
4 | 187 |
|
88/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 |
5 | 333 |
|
51/76 | 29% | 4.20 | RR | IX Russian Riichi Championship |
6 | 108 |
|
100/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
7 | 64 |
|
45/48 | 0% | 3.10 | RR | Agari team tournament |
8 | 32 |
|
31/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
9 | 81 |
|
103/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
10 | 317 |
|
44/64 | 0% | 3.45 | EMA | White Dragon Tournament |
11 | 0 |
|
24/24 | 0% | 2.73 | RR | Winner tournament. Agari season event |