Chichigina Natalya

From Odintsovo, Russia

EMA: 15990021

Player page

Internal rating (RR)

Rating date April 19, 2026 (latest changes April 16, 2026).

100 place (395.14).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (627.45 * 3.05 * 0.14 + 400 * 3.85 * 0.43 + 549.02 * 3.05 * 0.71 + 648.65 * 3.40 * 1 + 0) / (3.05 * 0.14 + 3.85 * 0.43 + 3.05 * 0.71 + 3.40 * 1 + 1) = 500.3156532868913

p2 = (648.65 * 3.40 * 1 + 549.02 * 3.05 * 0.71 + 400 * 3.85 * 0.43 + 627.45 * 3.05 * 0.14) / max_coefficients = 289.9678929765886

score = 500.3156532868913 * 0.5 + 289.9678929765886 * 0.5 = 395.1417731317399

Rating changes

Show

all results
Date Place Points Reason
2026-04-16 101 -> 100 395.14
2026-04-13 103 -> 101 395.14
2026-04-11 102 -> 103 395.14
2026-04-09 94 -> 102 407.32 -> 395.14

Agari Summer Tournament 2024: 29% -> 14%
2026-04-04 96 -> 94 407.32
2026-04-02 95 -> 96 416.29 -> 407.32

Agari Winter Tournament 2025: 86% -> 71%
2026-03-26 96 -> 95 416.29
2026-03-12 98 -> 96 416.29
2026-03-10 89 -> 98 447.52 -> 416.29

Agari Spring Tournament 2024: 14% -> 0%
2026-03-01 91 -> 89 449.94 -> 447.52

SPB Riichi Open 2024: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 649 2026-02-23 27/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
2 549 2025-02-02 24/52 71% 3.05 RR Agari Winter Tournament 2025 Moscow
3 400 2024-09-01 58/96 43% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 627 2024-06-09 20/52 14% 3.05 RR Agari Summer Tournament 2024 Moscow
5 627 2024-03-10 20/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
6 187 2023-09-03 88/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
7 333 2022-11-06 51/76 0% 4.20 RR IX Russian Riichi Championship Perm
8 108 2022-06-12 100/112 0% 4.05 RR Moscow Riichi 2022 Moscow
9 64 2021-12-19 45/48 0% 3.10 RR Agari team tournament Moscow
10 32 2020-01-26 31/32 0% 2.70 RR The last chance: back to 2019 Moscow
11 81 2019-12-15 103/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
12 317 2018-12-16 44/64 0% 3.45 EMA White Dragon Tournament Moscow
13 0 2018-07-22 24/24 0% 2.73 RR Winner tournament. Agari season event Moscow