Chichigina Natalya
From Odintsovo, Russia
EMA: 15990021
Common russian riichi rating (CRR)
Rating date Jan. 6, 2024 (latest changes Jan. 6, 2024).
146 place (161.03).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (108.11 * 4.05 * 0.43 + 333.33 * 4.20 * 0.71 + 186.92 * 4 * 1 + 0 + 0) / (4.05 * 0.43 + 4.20 * 0.71 + 4 * 1 + 1 + 1) = 180.2682404532833
p2 = (333.33 * 4.20 * 0.71 + 186.92 * 4 * 1 + 108.11 * 4.05 * 0.43) / max_coefficients = 141.78252696325143
score = 180.2682404532833 * 0.5 + 141.78252696325143 * 0.5 = 161.02538370826738
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-01-06 | 143 -> 146 | 169.11 -> 161.03 |
IX Russian Riichi Championship: 86% -> 71% |
2024-01-05 | 145 -> 143 | 169.11 | |
2023-12-19 | 149 -> 145 | 176.28 -> 169.11 |
Agari team tournament: 14% -> 0% |
2023-12-12 | 150 -> 149 | 176.11 -> 176.28 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-28 | 155 -> 150 | 176.11 | |
2023-11-26 | 150 -> 155 | 176.66 -> 176.11 | |
2023-11-20 | 152 -> 150 | 176.66 | |
2023-11-09 | 153 -> 152 | 176.66 | |
2023-11-06 | 152 -> 153 | 183.69 -> 176.66 |
IX Russian Riichi Championship: 100% -> 86% |
2023-11-05 | 146 -> 152 | 183.69 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 187 |
|
88/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 333 |
|
51/76 | 71% | 4.20 | RR | IX Russian Riichi Championship |
3 | 108 |
|
100/112 | 43% | 4.05 | RR | Moscow Riichi 2022 |
4 | 64 |
|
45/48 | 0% | 3.10 | RR | Agari team tournament |
5 | 32 |
|
31/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
6 | 81 |
|
103/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
7 | 317 |
|
44/64 | 0% | 3.45 | EMA | White Dragon Tournament |
8 | 0 |
|
24/24 | 0% | 2.73 | RR | Winner tournament. Agari season event |
9 | 895 |
|
3/20 | 0% | 1.50 | CRR | Agari tournament. First stage |