Chichigina Natalya

From Odintsovo, Russia

EMA: 15990021

Player page

Internal rating (RR)

Rating date March 31, 2025 (latest changes March 30, 2025).

76 place (461.75).

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

p1 = (186.92 * 4 * 0.43 + 627.45 * 3.05 * 0.86 + 627.45 * 3.05 * 1 + 400 * 3.85 * 1 + 549.02 * 3.05 * 1) / (4 * 0.43 + 3.05 * 0.86 + 3.05 * 1 + 3.85 * 1 + 3.05 * 1) = 496.4746082499245

p2 = (627.45 * 3.05 * 1 + 549.02 * 3.05 * 1 + 627.45 * 3.05 * 0.86 + 400 * 3.85 * 1) / max_coefficients = 427.0340694006309

score = 496.4746082499245 * 0.5 + 427.0340694006309 * 0.5 = 461.7543388252777

Rating changes

Show

all results
Date Place Points Reason
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%
2025-03-02 74 -> 76 466.46
2025-02-16 70 -> 74 466.46
2025-02-11 69 -> 70 466.46
2025-02-02 86 -> 69 401.70 -> 466.46

Agari Winter Tournament 2025: 0% -> 100%
2025-01-26 83 -> 86 401.70
2025-01-07 80 -> 83 401.70
2025-01-03 83 -> 80 399.88 -> 401.70

SPB Riichi Open 2023: 71% -> 57%

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 86% 3.05 RR Agari Spring Tournament 2024
5 187 2023-09-03 88/108 43% 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