Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Internal rating (RR)

Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).

111 place (292.83).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (195.40 * 3.75 * 0.71 + 411.21 * 4 * 0.86 + 242.99 * 4.60 * 1 + 489.36 * 2.80 * 1 + 303.80 * 3.65 * 1 + 0 * 3.85 * 1) / (3.75 * 0.71 + 4 * 0.86 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1) = 263.2476516784266

p2 = (411.21 * 4 * 0.86 + 489.36 * 2.80 * 1 + 242.99 * 4.60 * 1 + 303.80 * 3.65 * 1) / max_coefficients = 322.4182787666469

score = 263.2476516784266 * 0.5 + 322.4182787666469 * 0.5 = 292.83296522253676

Rating changes

Show

all results
Date Place Points Reason
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%
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

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 86% 4.00 RR SPB Riichi Open 2023
6 195 2023-06-11 71/88 71% 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