Chichigina Natalya

From Odintsovo, Russia

EMA: 15990021

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Internal rating (RR)

Rating date March 6, 2024 (latest changes March 6, 2024).

90 place (161.48).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.57 + 4.05 * 0.29) = 11.306965

p1 = (108.11 * 4.05 * 0.29 + 333.33 * 4.20 * 0.57 + 186.92 * 4 * 1 + 0 + 0) / (4.05 * 0.29 + 4.20 * 0.57 + 4 * 1 + 1 + 1) = 175.02523029016012

p2 = (333.33 * 4.20 * 0.57 + 186.92 * 4 * 1 + 108.11 * 4.05 * 0.29) / max_coefficients = 147.93624991321718

score = 175.02523029016012 * 0.5 + 147.93624991321718 * 0.5 = 161.48074010168864

Rating changes

Show

all results
Date Place Points Reason
2024-03-06 89 -> 90 170.83 -> 161.48

IX Russian Riichi Championship: 71% -> 57%
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%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 187 2023-09-03 88/108 100% 4.00 RR SPB Riichi Open 2023
2 333 2022-11-06 51/76 57% 4.20 RR IX Russian Riichi Championship
3 108 2022-06-12 100/112 29% 4.05 RR Moscow Riichi 2022
4 64 2021-12-19 45/48 0% 3.10 RR Agari team tournament
5 32 2020-01-26 31/32 0% 2.70 RR The last chance: back to 2019
6 81 2019-12-15 103/112 0% 4.05 EMA VIII Russian Riichi Championship
7 317 2018-12-16 44/64 0% 3.45 EMA White Dragon Tournament
8 0 2018-07-22 24/24 0% 2.73 RR Winner tournament. Agari season event