Chichigina Natalya
From Odintsovo, Russia
EMA: 15990021
Common russian riichi rating (CRR)
Rating date Oct. 27, 2023 (latest changes Oct. 27, 2023).
146 place (183.69).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75
p1 = (63.83 * 3.10 * 0.14 + 108.11 * 4.05 * 0.57 + 333.33 * 4.20 * 1 + 186.92 * 4 * 1 + 0) / (3.10 * 0.14 + 4.05 * 0.57 + 4.20 * 1 + 4 * 1 + 1) = 202.90102331991878
p2 = (333.33 * 4.20 * 1 + 186.92 * 4 * 1 + 108.11 * 4.05 * 0.57 + 63.83 * 3.10 * 0.14) / max_coefficients = 164.48271186440678
score = 202.90102331991878 * 0.5 + 164.48271186440678 * 0.5 = 183.6918675921628
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-10-22 | 144 -> 146 | 183.69 | |
2023-10-19 | 145 -> 144 | 182.17 -> 183.69 |
Agari team tournament: 29% -> 14% |
2023-10-12 | 146 -> 145 | 181.75 -> 182.17 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-28 | 148 -> 146 | 181.75 | |
2023-09-09 | 149 -> 148 | 181.75 | |
2023-09-06 | 150 -> 149 | 181.75 | |
2023-09-05 | 151 -> 150 | 181.75 | |
2023-09-03 | 146 -> 151 | 153.50 -> 181.75 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-27 | 141 -> 146 | 153.50 | |
2023-08-26 | 140 -> 141 | 153.50 |
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 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 108 |
|
100/112 | 57% | 4.05 | RR | Moscow Riichi 2022 |
4 | 64 |
|
45/48 | 14% | 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 |