Chichigina Natalya
From Odintsovo, Russia
EMA: 15990021
Internal rating (RR)
Rating date Dec. 11, 2024 (latest changes Dec. 11, 2024).
83 place (399.88).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (186.92 * 4 * 0.71 + 627.45 * 3.05 * 1 + 400 * 3.85 * 1 + 627.45 * 3.05 * 1 + 0) / (4 * 0.71 + 3.05 * 1 + 3.85 * 1 + 3.05 * 1 + 1) = 427.4233733124747
p2 = (627.45 * 3.05 * 1 + 627.45 * 3.05 * 1 + 400 * 3.85 * 1 + 186.92 * 4 * 0.71) / max_coefficients = 372.3356466876972
score = 427.4233733124747 * 0.5 + 372.3356466876972 * 0.5 = 399.87951000008593
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-12-11 | 84 -> 83 | 399.88 | |
2024-11-06 | 82 -> 84 | 413.71 -> 399.88 |
IX Russian Riichi Championship: 14% -> 0% |
2024-11-03 | 84 -> 82 | 411.60 -> 413.71 |
SPB Riichi Open 2023: 86% -> 71% |
2024-10-13 | 74 -> 84 | 415.53 -> 411.60 | |
2024-10-11 | 76 -> 74 | 415.53 | |
2024-09-06 | 77 -> 76 | 413.25 -> 415.53 |
IX Russian Riichi Championship: 29% -> 14% |
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 |
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 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
5 | 333 |
|
51/76 | 0% | 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 |