Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Internal rating (RR)

Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).

95 place (283.68).

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

p1 = (671.64 * 3.50 * 0.57 + 195.40 * 3.75 * 1 + 411.21 * 4 * 1 + 0 + 0) / (3.50 * 0.57 + 3.75 * 1 + 4 * 1 + 1 + 1) = 316.6699291057796

p2 = (411.21 * 4 * 1 + 671.64 * 3.50 * 0.57 + 195.40 * 3.75 * 1) / max_coefficients = 250.6812172676324

score = 316.6699291057796 * 0.5 + 250.6812172676324 * 0.5 = 283.675573186706

Rating changes

Show

all results
Date Place Points Reason
2023-09-03 99 -> 95 199.45 -> 283.68

SPB Riichi Open 2023: 0% -> 100%
2023-08-12 99 195.97 -> 199.45
2023-07-28 100 -> 99 195.97
2023-07-20 97 -> 100 217.00 -> 195.97

Tenpai can't buy happiness: 71% -> 57%
2023-07-06 99 -> 97 217.00
2023-06-19 100 -> 99 217.00
2023-06-12 100 213.54 -> 217.00
2023-06-11 200 -> 100 175.25 -> 213.54

Money can not buy tenpai: 0% -> 100%
2020-02-01 200 175.25

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 411 2023-09-03 64/108 100% 4.00 RR SPB Riichi Open 2023
2 195 2023-06-11 71/88 100% 3.75 RR Money can not buy tenpai
3 672 2022-03-20 23/68 57% 3.50 RR Tenpai can't buy happiness
4 609 2019-06-16 10/24 0% 2.20 RR URAL Mahjong Battle
5 211 2018-05-01 57/72 0% 3.85 EMA Haru Shanten 2018
6 70 2017-11-12 67/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
7 0 2017-07-30 24/24 0% 2.20 RR Summer EMA rules tournament 2017