Chichigina Natalya

From Odintsovo, Russia

EMA: 15990021

Player page

Common russian riichi rating (CRR)

Rating date Feb. 22, 2025 (latest changes Feb. 22, 2025).

81 place (466.46).

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

p1 = (186.92 * 4 * 0.57 + 627.45 * 3.05 * 1 + 627.45 * 3.05 * 1 + 400 * 3.85 * 1 + 549.02 * 3.05 * 1) / (4 * 0.57 + 3.05 * 1 + 3.05 * 1 + 3.85 * 1 + 3.05 * 1) = 488.64159732035387

p2 = (627.45 * 3.05 * 1 + 627.45 * 3.05 * 1 + 549.02 * 3.05 * 1 + 400 * 3.85 * 1) / max_coefficients = 444.2883280757098

score = 488.64159732035387 * 0.5 + 444.2883280757098 * 0.5 = 466.46496269803185

Rating changes

Show

all results
Date Place Points Reason
2025-02-16 78 -> 81 466.46
2025-02-11 77 -> 78 466.46
2025-02-02 97 -> 77 401.70 -> 466.46

Agari Winter Tournament 2025: 0% -> 100%
2025-01-26 95 -> 97 401.70
2025-01-07 92 -> 95 401.70
2025-01-05 91 -> 92 401.70
2025-01-03 93 -> 91 399.88 -> 401.70

SPB Riichi Open 2023: 71% -> 57%
2024-12-27 94 -> 93 399.88
2024-12-18 95 -> 94 399.88
2024-12-11 96 -> 95 399.88

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 549 2025-02-02 24/52 100% 3.05 RR Agari Winter Tournament 2025
2 400 2024-09-01 58/96 100% 3.85 RR SPB Riichi Open 2024
3 627 2024-06-09 20/52 100% 3.05 RR Agari Summer Tournament 2024
4 627 2024-03-10 20/52 100% 3.05 RR Agari Spring Tournament 2024
5 187 2023-09-03 88/108 57% 4.00 RR SPB Riichi Open 2023
6 333 2022-11-06 51/76 0% 4.20 RR IX Russian Riichi Championship
7 108 2022-06-12 100/112 0% 4.05 RR Moscow Riichi 2022
8 64 2021-12-19 45/48 0% 3.10 RR Agari team tournament
9 32 2020-01-26 31/32 0% 2.70 RR The last chance: back to 2019
10 81 2019-12-15 103/112 0% 4.05 EMA VIII Russian Riichi Championship
11 317 2018-12-16 44/64 0% 3.45 EMA White Dragon Tournament
12 0 2018-07-22 24/24 0% 2.73 RR Winner tournament. Agari season event
13 895 2018-05-12 3/20 0% 1.50 CRR Agari tournament. First stage