Chichigina Natalya

From Odintsovo, Russia

EMA: 15990021

Player page

Internal rating (RR)

Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).

117 place (181.75).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (63.83 * 3.10 * 0.29 + 108.11 * 4.05 * 0.71 + 333.33 * 4.20 * 1 + 186.92 * 4 * 1 + 0) / (3.10 * 0.29 + 4.05 * 0.71 + 4.20 * 1 + 4 * 1 + 1) = 193.93023199370347

p2 = (333.33 * 4.20 * 1 + 186.92 * 4 * 1 + 108.11 * 4.05 * 0.71 + 63.83 * 3.10 * 0.29) / max_coefficients = 169.5718125449078

score = 193.93023199370347 * 0.5 + 169.5718125449078 * 0.5 = 181.75102226930562

Rating changes

Show

all results
Date Place Points Reason
2023-09-06 119 -> 117 181.75
2023-09-03 102 -> 119 157.54 -> 181.75

SPB Riichi Open 2023: 0% -> 100%
2023-08-19 102 156.23 -> 157.54

Agari team tournament: 43% -> 29%
2023-08-12 103 -> 102 153.85 -> 156.23

Moscow Riichi 2022: 86% -> 71%
2023-07-20 106 -> 103 151.36 -> 153.85
2023-06-19 107 -> 106 150.33 -> 151.36

Agari team tournament: 57% -> 43%
2023-06-12 107 148.42 -> 150.33

Moscow Riichi 2022: 100% -> 86%
2023-06-11 89 -> 107 159.05 -> 148.42
2023-05-28 89 157.82 -> 159.05
2023-05-20 91 -> 89 154.92 -> 157.82

Tournaments

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