Chichigina Natalya

From Odintsovo, Russia

EMA: 15990021

Player page

Internal rating (RR)

Rating date June 9, 2025 (latest changes June 9, 2025).

83 place (455.44).

max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266

p1 = (186.92 * 4 * 0.29 + 627.45 * 3.05 * 0.71 + 627.45 * 3.05 * 0.86 + 400 * 3.85 * 1 + 549.02 * 3.05 * 1) / (4 * 0.29 + 3.05 * 0.71 + 3.05 * 0.86 + 3.85 * 1 + 3.05 * 1) = 501.36768371018974

p2 = (549.02 * 3.05 * 1 + 627.45 * 3.05 * 0.86 + 400 * 3.85 * 1 + 627.45 * 3.05 * 0.71) / max_coefficients = 409.52209817109053

score = 501.36768371018974 * 0.5 + 409.52209817109053 * 0.5 = 455.4448909406401

Rating changes

Show

all results
Date Place Points Reason
2025-06-09 80 -> 83 466.52 -> 455.44

Agari Summer Tournament 2024: 100% -> 86%
2025-06-08 79 -> 80 466.52
2025-05-30 81 -> 79 466.52
2025-05-12 82 -> 81 457.65 -> 466.52
2025-05-10 79 -> 82 468.21 -> 457.65

Agari Spring Tournament 2024: 86% -> 71%
2025-05-03 74 -> 79 461.75 -> 468.21

SPB Riichi Open 2023: 43% -> 29%
2025-04-11 76 -> 74 461.75
2025-03-30 77 -> 76 461.75
2025-03-10 72 -> 77 472.32 -> 461.75

Agari Spring Tournament 2024: 100% -> 86%
2025-03-03 76 -> 72 466.46 -> 472.32

SPB Riichi Open 2023: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 549 2025-02-02 24/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
2 400 2024-09-01 58/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
3 627 2024-06-09 20/52 86% 3.05 RR Agari Summer Tournament 2024 Moscow
4 627 2024-03-10 20/52 71% 3.05 RR Agari Spring Tournament 2024 Moscow
5 187 2023-09-03 88/108 29% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
6 333 2022-11-06 51/76 0% 4.20 RR IX Russian Riichi Championship Perm
7 108 2022-06-12 100/112 0% 4.05 RR Moscow Riichi 2022 Moscow
8 64 2021-12-19 45/48 0% 3.10 RR Agari team tournament Moscow
9 32 2020-01-26 31/32 0% 2.70 RR The last chance: back to 2019 Moscow
10 81 2019-12-15 103/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
11 317 2018-12-16 44/64 0% 3.45 EMA White Dragon Tournament Moscow
12 0 2018-07-22 24/24 0% 2.73 RR Winner tournament. Agari season event Moscow