Chichigina Natalya
From Odintsovo, Russia
EMA: 15990021
Internal rating (RR)
Rating date Feb. 12, 2024 (latest changes Feb. 12, 2024).
89 place (170.83).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.29) = 11.907145000000002
p1 = (108.11 * 4.05 * 0.29 + 333.33 * 4.20 * 0.71 + 186.92 * 4 * 1 + 0 + 0) / (4.05 * 0.29 + 4.20 * 0.71 + 4 * 1 + 1 + 1) = 184.37956728982405
p2 = (333.33 * 4.20 * 0.71 + 186.92 * 4 * 1 + 108.11 * 4.05 * 0.29) / max_coefficients = 157.28119545029472
score = 184.37956728982405 * 0.5 + 157.28119545029472 * 0.5 = 170.8303813700594
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-02-12 | 92 -> 89 | 167.64 -> 170.83 |
Moscow Riichi 2022: 43% -> 29% |
2024-01-20 | 94 -> 92 | 167.64 | |
2024-01-06 | 92 -> 94 | 175.77 -> 167.64 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 98 -> 92 | 183.03 -> 175.77 |
Agari team tournament: 14% -> 0% |
2023-12-12 | 102 -> 98 | 179.46 -> 183.03 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-28 | 108 -> 102 | 179.46 | |
2023-11-20 | 110 -> 108 | 179.46 | |
2023-11-06 | 113 -> 110 | 186.49 -> 179.46 |
IX Russian Riichi Championship: 100% -> 86% |
2023-10-19 | 114 -> 113 | 185.00 -> 186.49 |
Agari team tournament: 29% -> 14% |
2023-10-12 | 115 -> 114 | 181.75 -> 185.00 |
Moscow Riichi 2022: 71% -> 57% |
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 | 29% | 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 |