Chichigina Natalya

From Odintsovo, Russia

EMA: 15990021

Player page

Internal rating (RR)

Rating date Jan. 3, 2025 (latest changes Jan. 3, 2025).

80 place (401.70).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (627.45 * 3.05 * 1 + 186.92 * 4 * 0.57 + 400 * 3.85 * 1 + 627.45 * 3.05 * 1 + 0) / (3.05 * 1 + 4 * 0.57 + 3.85 * 1 + 3.05 * 1 + 1) = 437.80939284958754

p2 = (627.45 * 3.05 * 1 + 627.45 * 3.05 * 1 + 400 * 3.85 * 1 + 186.92 * 4 * 0.57) / max_coefficients = 365.5943217665615

score = 437.80939284958754 * 0.5 + 365.5943217665615 * 0.5 = 401.7018573080745

Rating changes

Show

all results
Date Place Points Reason
2025-01-03 83 -> 80 399.88 -> 401.70

SPB Riichi Open 2023: 71% -> 57%
2024-12-11 84 -> 83 399.88
2024-11-06 82 -> 84 413.71 -> 399.88

IX Russian Riichi Championship: 14% -> 0%
2024-11-03 84 -> 82 411.60 -> 413.71

SPB Riichi Open 2023: 86% -> 71%
2024-10-13 74 -> 84 415.53 -> 411.60
2024-10-11 76 -> 74 415.53
2024-09-06 77 -> 76 413.25 -> 415.53

IX Russian Riichi Championship: 29% -> 14%
2024-09-03 79 -> 77 404.93 -> 413.25

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 80 -> 79 364.83 -> 404.93

SPB Riichi Open 2024: 0% -> 100%
2024-08-11 86 -> 80 363.10 -> 364.83

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 400 2024-09-01 58/96 100% 3.85 RR SPB Riichi Open 2024
2 627 2024-06-09 20/52 100% 3.05 RR Agari Summer Tournament 2024
3 627 2024-03-10 20/52 100% 3.05 RR Agari Spring Tournament 2024
4 187 2023-09-03 88/108 57% 4.00 RR SPB Riichi Open 2023
5 333 2022-11-06 51/76 0% 4.20 RR IX Russian Riichi Championship
6 108 2022-06-12 100/112 0% 4.05 RR Moscow Riichi 2022
7 64 2021-12-19 45/48 0% 3.10 RR Agari team tournament
8 32 2020-01-26 31/32 0% 2.70 RR The last chance: back to 2019
9 81 2019-12-15 103/112 0% 4.05 EMA VIII Russian Riichi Championship
10 317 2018-12-16 44/64 0% 3.45 EMA White Dragon Tournament
11 0 2018-07-22 24/24 0% 2.73 RR Winner tournament. Agari season event