Chichigina Natalya

From Odintsovo, Russia

EMA: 15990021

Player page

Common russian riichi rating (CRR)

Rating date March 9, 2024 (latest changes March 9, 2024).

151 place (151.60).

max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988

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 = 128.17819014427718

score = 175.02523029016012 * 0.5 + 128.17819014427718 * 0.5 = 151.60171021721865

Rating changes

Show

all results
Date Place Points Reason
2024-03-09 152 -> 151 151.60
2024-03-06 142 -> 152 160.79 -> 151.60

IX Russian Riichi Championship: 71% -> 57%
2024-02-25 139 -> 142 160.79
2024-02-12 142 -> 139 161.03 -> 160.79

Moscow Riichi 2022: 43% -> 29%
2024-01-20 144 -> 142 161.03
2024-01-14 146 -> 144 161.03
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%

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
9 895 2018-05-12 3/20 0% 1.50 CRR Agari tournament. First stage