Chichigina Natalya
From Odintsovo, Russia
EMA: 15990021
Common russian riichi rating (CRR)
Rating date April 17, 2023 (latest changes April 17, 2023).
125 place (149.83).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (63.83 * 3.10 * 0.71 + 333.33 * 4.20 * 1 + 108.11 * 4.05 * 1 + 0 + 0) / (3.10 * 0.71 + 4.20 * 1 + 4.05 * 1 + 1 + 1) = 158.78751605581687
p2 = (333.33 * 4.20 * 1 + 108.11 * 4.05 * 1 + 63.83 * 3.10 * 0.71) / max_coefficients = 140.8684078477706
score = 158.78751605581687 * 0.5 + 140.8684078477706 * 0.5 = 149.82796195179372
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-03-20 | 125 | 147.41 -> 149.83 | |
2023-03-03 | 126 -> 125 | 147.41 | |
2023-02-25 | 119 -> 126 | 147.41 | |
2023-02-19 | 119 | 146.75 -> 147.41 |
Agari team tournament: 86% -> 71% |
2023-01-28 | 119 | 146.01 -> 146.75 | |
2023-01-14 | 115 -> 119 | 146.01 | |
2023-01-05 | 117 -> 115 | 146.01 | |
2023-01-03 | 120 -> 117 | 146.01 | |
2022-12-19 | 120 | 144.79 -> 146.01 |
Agari team tournament: 100% -> 86% |
2022-12-18 | 117 -> 120 | 144.79 |
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 | 71% | 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 |
8 | 895 |
|
3/20 | 0% | 1.50 | CRR | Agari tournament. First stage |