Chichigina Natalya
From Odintsovo, Russia
EMA: 15990021
Internal rating (RR)
Rating date Jan. 6, 2023 (latest changes Jan. 6, 2023).
93 place (146.01).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995
p1 = (63.83 * 3.10 * 0.86 + 108.11 * 4.05 * 1 + 333.33 * 4.20 * 1 + 0 + 0) / (3.10 * 0.86 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 155.53098664989025
p2 = (333.33 * 4.20 * 1 + 108.11 * 4.05 * 1 + 63.83 * 3.10 * 0.86) / max_coefficients = 136.49559274345302
score = 155.53098664989025 * 0.5 + 136.49559274345302 * 0.5 = 146.01328969667162
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-12-19 | 93 | 144.79 -> 146.01 |
Agari team tournament: 100% -> 86% |
2022-11-28 | 94 -> 93 | 143.21 -> 144.79 | |
2022-11-06 | 78 -> 94 | 53.54 -> 143.21 |
IX Russian Riichi Championship: 0% -> 100% |
2022-10-14 | 150 -> 78 | 35.63 -> 53.54 | |
2021-02-01 | 219 -> 150 | 100.55 -> 35.63 | |
2020-02-01 | 219 | 100.55 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 333 |
|
51/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 108 |
|
100/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
3 | 64 |
|
45/48 | 86% | 3.10 | RR | Agari team tournament |
4 | 32 |
|
31/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
5 | 81 |
|
103/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
6 | 317 |
|
44/64 | 0% | 3.45 | EMA | White Dragon Tournament |
7 | 0 |
|
24/24 | 0% | 2.73 | RR | Winner tournament. Agari season event |