Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Internal rating (RR)

Rating date June 12, 2024 (latest changes June 12, 2024).

101 place (236.78).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001

p1 = (195.40 * 3.75 * 0.86 + 411.21 * 4 * 1 + 242.99 * 4.60 * 1 + 0 + 0) / (3.75 * 0.86 + 4 * 1 + 4.60 * 1 + 1 + 1) = 245.44949462959107

p2 = (411.21 * 4 * 1 + 242.99 * 4.60 * 1 + 195.40 * 3.75 * 0.86) / max_coefficients = 228.1109718870098

score = 245.44949462959107 * 0.5 + 228.1109718870098 * 0.5 = 236.78023325830043

Rating changes

Show

all results
Date Place Points Reason
2024-06-11 109 -> 101 235.28 -> 236.78

Money can not buy tenpai: 100% -> 86%
2024-06-09 97 -> 109 235.28
2024-05-12 90 -> 97 202.74 -> 235.28

X Russian Championship: 0% -> 100%
2024-05-06 92 -> 90 200.65 -> 202.74
2024-04-12 95 -> 92 200.65
2024-03-30 84 -> 95 200.65
2024-03-20 85 -> 84 235.15 -> 200.65

Tenpai can't buy happiness: 14% -> 0%
2024-03-10 76 -> 85 252.36 -> 235.15
2024-03-06 78 -> 76 246.31 -> 252.36
2024-02-12 81 -> 78 241.03 -> 246.31

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 243 2024-05-12 82/108 100% 4.60 RR X Russian Championship
2 411 2023-09-03 64/108 100% 4.00 RR SPB Riichi Open 2023
3 195 2023-06-11 71/88 86% 3.75 RR Money can not buy tenpai
4 672 2022-03-20 23/68 0% 3.50 RR Tenpai can't buy happiness
5 609 2019-06-16 10/24 0% 2.20 RR URAL Mahjong Battle
6 211 2018-05-01 57/72 0% 3.85 EMA Haru Shanten 2018
7 70 2017-11-12 67/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
8 0 2017-07-30 24/24 0% 2.20 RR Summer EMA rules tournament 2017