Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Internal rating (RR)

Rating date Dec. 11, 2024 (latest changes Dec. 11, 2024).

111 place (281.85).

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

p1 = (195.40 * 3.75 * 0.43 + 411.21 * 4 * 0.71 + 242.99 * 4.60 * 1 + 489.36 * 2.80 * 1 + 303.80 * 3.65 * 1 + 0 * 3.85 * 1) / (3.75 * 0.43 + 4 * 0.71 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1) = 262.6364291265695

p2 = (489.36 * 2.80 * 1 + 411.21 * 4 * 0.71 + 242.99 * 4.60 * 1 + 303.80 * 3.65 * 1) / max_coefficients = 301.0567823343849

score = 262.6364291265695 * 0.5 + 301.0567823343849 * 0.5 = 281.8466057304772

Rating changes

Show

all results
Date Place Points Reason
2024-12-11 113 -> 111 280.94 -> 281.85

Money can not buy tenpai: 57% -> 43%
2024-11-06 119 -> 113 280.94
2024-11-03 118 -> 119 290.45 -> 280.94

SPB Riichi Open 2023: 86% -> 71%
2024-10-13 109 -> 118 293.72 -> 290.45
2024-10-11 111 -> 109 292.83 -> 293.72

Money can not buy tenpai: 71% -> 57%
2024-09-03 110 -> 111 296.37 -> 292.83

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 91 -> 110 333.89 -> 296.37

SPB Riichi Open 2024: 0% -> 100%
2024-08-11 91 330.17 -> 333.89

Money can not buy tenpai: 86% -> 71%
2024-08-04 90 -> 91 312.60 -> 330.17

Riichi over Volga: 0% -> 100%
2024-07-14 101 -> 90 236.78 -> 312.60

Guardian of the Winds: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 0 2024-09-01 96/96 100% 3.85 RR SPB Riichi Open 2024
2 304 2024-08-04 56/80 100% 3.65 RR Riichi over Volga
3 489 2024-07-14 25/48 100% 2.80 RR Guardian of the Winds
4 243 2024-05-12 82/108 100% 4.60 RR X Russian Championship
5 411 2023-09-03 64/108 71% 4.00 RR SPB Riichi Open 2023
6 195 2023-06-11 71/88 43% 3.75 RR Money can not buy tenpai
7 672 2022-03-20 23/68 0% 3.50 RR Tenpai can't buy happiness
8 609 2019-06-16 10/24 0% 2.20 RR URAL Mahjong Battle
9 211 2018-05-01 57/72 0% 3.85 EMA Haru Shanten 2018
10 70 2017-11-12 67/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
11 0 2017-07-30 24/24 0% 2.20 RR Summer EMA rules tournament 2017